/* roulang page: index */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }

        ul,
        ol {
            list-style-position: inside;
        }

        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            margin-bottom: 0.75rem;
        }

        h3 {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        @media (max-width: 375px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }

        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .nav-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--button-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #0D1117;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--accent-green);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(0, 230, 118, 0.08);
        }

        .nav-menu a.active {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.1);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            border-radius: 1px;
            background: var(--accent-green);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.18);
            transition: background var(--transition-fast);
        }

        .nav-hamburger:hover {
            background: rgba(0, 230, 118, 0.16);
        }

        .nav-hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 1024px) {
            .site-header {
                padding: 0 16px;
                top: 14px;
            }
            .nav-shell {
                padding: 10px 18px;
                border-radius: 16px;
            }
            .nav-menu {
                gap: 2px;
            }
            .nav-menu a {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 10px;
                padding: 0 10px;
            }
            .nav-shell {
                padding: 10px 16px;
                border-radius: 14px;
                min-height: 56px;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: rgba(13, 17, 23, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-radius: 16px;
                border: 1px solid rgba(0, 230, 118, 0.2);
                padding: 12px;
                display: none;
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: 12px;
                width: 100%;
                text-align: left;
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 375px) {
            .nav-shell {
                padding: 8px 12px;
            }
            .nav-logo {
                font-size: 0.95rem;
                gap: 5px;
            }
            .nav-logo .logo-icon {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
                border-radius: 6px;
            }
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: url('/assets/images/f3830a476290d72b.webp') center center / cover no-repeat;
            background-color: var(--bg-primary);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.82) 0%, rgba(13, 17, 23, 0.68) 35%, rgba(14, 31, 26, 0.78) 70%, var(--bg-primary) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.25fr 0.75fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 700px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: var(--radius-pill);
            padding: 7px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green);
            letter-spacing: 0.04em;
            margin-bottom: 22px;
            text-transform: uppercase;
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 46, 0.55);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 77, 46, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 3.9rem);
            font-weight: 850;
            line-height: 1.18;
            letter-spacing: -0.025em;
            margin-bottom: 20px;
            color: #FFFFFF;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .hero-title .highlight {
            color: var(--accent-green);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(0, 230, 118, 0.28);
            border-radius: 3px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 30px;
            max-width: 600px;
            letter-spacing: 0.01em;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--button-gradient);
            color: #0D1117;
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.28);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(0, 230, 118, 0.4);
            background: var(--button-gradient-hover);
            color: #0D1117;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid rgba(0, 230, 118, 0.4);
            box-shadow: none;
        }

        .btn-outline:hover {
            transform: translateY(-2px);
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 0.85rem;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.22);
        }

        .hero-meta-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .hero-meta-strip .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta-strip .meta-icon {
            color: var(--accent-cyan);
            font-size: 1rem;
        }

        .hero-right-card {
            background: var(--bg-card-rgba);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-right-card .card-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-muted);
            font-weight: 600;
        }

        .score-card-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .score-card-item .teams {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.92rem;
        }

        .score-card-item .vs-badge {
            background: rgba(255, 176, 32, 0.18);
            color: var(--accent-amber);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 6px;
        }

        .score-card-item .score {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--accent-green);
            letter-spacing: 0.02em;
        }

        .score-card-item .time-status {
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: right;
        }

        .score-card-item .live-label {
            color: var(--accent-red);
            font-weight: 700;
            font-size: 0.75rem;
            letter-spacing: 0.06em;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .hero-timeline {
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
        }

        .hero-timeline .tl-node {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 4px;
        }
        .hero-timeline .tl-node:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            right: -50%;
            height: 2px;
            background: linear-gradient(90deg, rgba(0, 230, 118, 0.4), rgba(0, 230, 118, 0.08));
            z-index: 0;
        }
        .hero-timeline .tl-node .tl-dot {
            display: block;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-green);
            margin: 0 auto 6px;
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.2);
            position: relative;
            z-index: 1;
        }
        .hero-timeline .tl-node .tl-date {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }
        .hero-timeline .tl-node .tl-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .hero-subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }
        .hero-subscribe-box input {
            flex: 1;
            padding: 13px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
            min-width: 0;
        }
        .hero-subscribe-box input::placeholder {
            color: var(--text-muted);
        }
        .hero-subscribe-box input:focus {
            outline: none;
            border-color: var(--accent-green);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right-card {
                max-width: 520px;
            }
            .hero-section {
                min-height: auto;
                padding: 120px 0 60px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 100px 0 48px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .hero-cta-row {
                gap: 10px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 0.85rem;
                flex: 1;
                justify-content: center;
            }
            .hero-meta-strip {
                gap: 12px;
                font-size: 0.75rem;
            }
            .hero-right-card {
                padding: 18px 14px;
            }
            .hero-timeline {
                flex-wrap: wrap;
                gap: 8px;
                border-top: 0;
                padding-top: 10px;
            }
            .hero-timeline .tl-node {
                flex: 1 1 40%;
                min-width: 80px;
                margin-bottom: 8px;
            }
            .hero-timeline .tl-node:not(:last-child)::after {
                display: none;
            }
        }

        @media (max-width: 375px) {
            .hero-section {
                padding: 90px 0 36px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 5px 12px;
            }
            .hero-subtitle {
                font-size: 0.88rem;
            }
            .btn {
                font-size: 0.78rem;
                padding: 10px 14px;
            }
            .hero-subscribe-box {
                flex-direction: column;
                gap: 10px;
            }
            .hero-subscribe-box input {
                width: 100%;
            }
        }

        /* ===== Common Section Styles ===== */
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            background-image: radial-gradient(ellipse at 80% 10%, rgba(0, 230, 118, 0.03) 0%, transparent 50%);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-light .section-title {
            color: var(--text-dark);
        }
        .section-light .section-desc {
            color: #4A5A52;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-green);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.85;
            margin-bottom: 32px;
            letter-spacing: 0.01em;
        }

        .section-light .section-desc {
            color: #4A5A52;
        }

        .section-header-center {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-section-tablet) 0;
            }
        }

        @media (max-width: 375px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
        }

        /* ===== Pain Points Section ===== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .pain-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-red);
            opacity: 0.7;
            border-radius: 0 0 4px 4px;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 77, 46, 0.35);
        }

        .pain-card .pain-icon {
            font-size: 1.8rem;
            margin-bottom: 12px;
            color: var(--accent-red);
        }

        .pain-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ===== Solution Section ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .solution-card {
            background: rgba(21, 31, 43, 0.9);
            border: 1px solid rgba(0, 230, 118, 0.16);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-strong);
        }
        .solution-card .sol-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green);
            font-size: 1.3rem;
            margin-bottom: 6px;
        }
        .solution-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .solution-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 768px) {
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ===== Scenario Demo Section ===== */
        .scenario-bento {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .scenario-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            min-height: 200px;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            display: flex;
            align-items: flex-end;
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scenario-card .scenario-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.45;
            transition: opacity var(--transition-fast), transform var(--transition-fast);
        }
        .scenario-card:hover .scenario-bg {
            opacity: 0.65;
            transform: scale(1.03);
        }
        .scenario-card .scenario-overlay {
            position: relative;
            z-index: 1;
            padding: 22px 18px;
            width: 100%;
            background: linear-gradient(180deg, transparent 0%, rgba(13, 17, 23, 0.9) 70%);
        }
        .scenario-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }
        .scenario-card p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .scenario-bento {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 768px) {
            .scenario-bento {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ===== Stats / Data Advantage Section ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 36px;
        }
        .stat-block {
            background: rgba(21, 31, 43, 0.85);
            border: 1px solid rgba(0, 230, 118, 0.14);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .stat-block:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-green);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== Deep Content / Prose Section ===== */
        .prose-section {
            max-width: 820px;
            margin: 0 auto;
        }

        .prose-section .prose-block {
            margin-bottom: 36px;
        }

        .prose-section h4 {
            font-size: 1.25rem;
            color: var(--accent-green);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .prose-section p {
            color: var(--text-secondary);
            line-height: 2;
            font-size: 0.95rem;
            margin-bottom: 16px;
            letter-spacing: 0.015em;
            text-align: justify;
        }

        .prose-section .prose-quote {
            background: rgba(0, 230, 118, 0.06);
            border-left: 4px solid var(--accent-green);
            padding: 18px 20px;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--text-primary);
            font-size: 0.92rem;
            margin: 20px 0;
            line-height: 1.9;
        }

        .prose-section .data-note {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--accent-cyan);
            background: rgba(0, 255, 179, 0.06);
            border: 1px dashed rgba(0, 255, 179, 0.2);
            border-radius: 8px;
            padding: 10px 14px;
            margin: 16px 0;
            letter-spacing: 0.03em;
        }

        /* ===== Social Proof / Reviews ===== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .review-stars {
            color: var(--accent-amber);
            font-size: 0.9rem;
            letter-spacing: 3px;
        }
        .review-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
        }
        .review-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-author .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--button-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #0D1117;
            font-size: 0.7rem;
        }
        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 768px) {
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ===== News Section ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 230, 118, 0.12);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 230, 118, 0.3);
        }
        .news-date {
            font-family: var(--font-mono);
            font-size: 0.78rem;
            color: var(--accent-amber);
            font-weight: 600;
            letter-spacing: 0.06em;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .news-link {
            align-self: flex-start;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }
        .news-link:hover {
            color: var(--accent-cyan);
        }
        @media (max-width: 768px) {
            .news-item {
                padding: 16px 14px;
            }
            .news-summary {
                font-size: 0.82rem;
            }
        }

        /* ===== Brand Intro Section ===== */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 32px;
            align-items: center;
            background: rgba(21, 31, 43, 0.7);
            border: 1px solid rgba(0, 230, 118, 0.14);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
        }
        .brand-image-area {
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .brand-image-area::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(0, 230, 118, 0.12) 0%, transparent 60%);
        }
        .brand-intro-text h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            color: var(--text-secondary);
            line-height: 1.9;
            font-size: 0.92rem;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .brand-intro-wrap {
                grid-template-columns: 1fr;
                gap: 18px;
                padding: 22px 16px;
            }
            .brand-image-area {
                min-height: 160px;
            }
        }

        /* ===== Pricing / Package Comparison ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 230, 118, 0.14);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            position: relative;
        }
        .pricing-card.featured {
            border-color: var(--border-strong);
            box-shadow: 0 12px 32px rgba(0, 230, 118, 0.12);
        }
        .pricing-card.featured .pricing-badge {
            position: absolute;
            top: -10px;
            right: 16px;
            background: var(--button-gradient);
            color: #0D1117;
            font-weight: 700;
            font-size: 0.7rem;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }
        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-strong);
        }
        .pricing-name {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .pricing-price {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-green);
            letter-spacing: -0.02em;
        }
        .pricing-price span {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .pricing-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .pricing-features li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .pricing-features li::before {
            content: '✓';
            color: var(--accent-green);
            font-weight: 800;
            flex-shrink: 0;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .pricing-card {
                padding: 22px 16px;
            }
        }

        /* ===== Guarantee Strip ===== */
        .guarantee-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(21, 31, 43, 0.8);
            border: 1px solid rgba(0, 230, 118, 0.12);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .guarantee-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .guarantee-item .guarantee-icon {
            font-size: 1.6rem;
            color: var(--accent-green);
            flex-shrink: 0;
        }
        .guarantee-item .guarantee-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .guarantee-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 768px) {
            .guarantee-strip {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

        /* ===== CTA / Form Section ===== */
        .cta-section {
            background: var(--bg-secondary);
            background-image: url('/assets/images/45b9eb57324b7673.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 17, 23, 0.82);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
            align-items: center;
            background: rgba(13, 17, 23, 0.55);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
        }
        .cta-left h3 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-left p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-form input {
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent-green);
        }
        .cta-form .btn {
            justify-content: center;
            width: 100%;
        }
        @media (max-width: 1024px) {
            .cta-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px 18px;
            }
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-wrap {
                padding: 20px 14px;
                gap: 16px;
            }
            .cta-left h3 {
                font-size: 1.2rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A0E13;
            border-top: 1px solid rgba(0, 230, 118, 0.12);
            padding: 40px 0 24px;
            color: var(--text-secondary);
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 24px;
        }
        .footer-brand {
            max-width: 280px;
        }
        .footer-brand .footer-logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 26px;
            height: 26px;
            border-radius: 7px;
            background: var(--button-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #0D1117;
            font-size: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }
        .footer-links-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer-links-col a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-links-col a:hover {
            color: var(--accent-green);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-green);
        }
        @media (max-width: 768px) {
            .footer-container {
                flex-direction: column;
                gap: 20px;
            }
            .footer-links {
                gap: 24px;
                width: 100%;
                justify-content: space-between;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.15);
            border: 1px solid rgba(0, 230, 118, 0.3);
            color: var(--accent-green);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            z-index: 500;
        }
        .back-to-top:hover {
            background: rgba(0, 230, 118, 0.28);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            margin: 0;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }

        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            font-size: 1.5rem;
            line-height: 1;
        }

        .nav-logo:hover {
            color: var(--accent-green);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.08);
        }

        .nav-menu a.active {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.12);
            box-shadow: 0 0 0 1px rgba(0, 230, 118, 0.22) inset;
        }

        .nav-toggle {
            display: none;
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: 10px;
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 1.2rem;
            line-height: 1;
            pointer-events: auto;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            padding-top: 160px;
            padding-bottom: 16px;
            background: transparent;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb .sep {
            color: var(--border-strong);
        }

        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ===== Category Hero (compact, not full-screen) ===== */
        .category-hero {
            padding: 40px 0 48px;
            position: relative;
        }

        .category-hero .inner {
            background: linear-gradient(135deg, rgba(14, 31, 26, 0.95) 0%, rgba(21, 31, 43, 0.9) 60%, rgba(13, 17, 23, 0.92) 100%);
            border: 1px solid rgba(0, 230, 118, 0.16);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 36px;
            align-items: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .category-hero .inner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(0, 230, 118, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            color: var(--accent-green);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 2.6rem;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 18px;
            letter-spacing: 0.01em;
        }

        .category-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
            margin: 0;
            max-width: 640px;
        }

        .category-hero .hero-visual {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(0, 230, 118, 0.16);
            box-shadow: var(--shadow-card);
            min-height: 240px;
            background: var(--bg-card);
        }

        .category-hero .hero-visual img {
            width: 100%;
            height: 100%;
            min-height: 240px;
            object-fit: cover;
        }

        .category-hero .hero-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 17, 23, 0.55) 0%, rgba(13, 17, 23, 0.15) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }

        .category-hero .hero-visual .visual-tag {
            background: rgba(13, 17, 23, 0.85);
            border: 1px solid rgba(0, 230, 118, 0.3);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            color: var(--accent-green);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            backdrop-filter: blur(10px);
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 118, 0.06);
            border-bottom: 1px solid rgba(0, 230, 118, 0.06);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-light h2,
        .section-light h3 {
            color: var(--text-dark);
        }

        .section-light .section-sub {
            color: #5A6B72;
        }

        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-header .title-group {
            flex: 1;
            min-width: 260px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 10px;
            letter-spacing: 0.005em;
        }

        .section-header .section-sub {
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
        }

        .section-light .section-sub {
            color: #6B7A82;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            text-align: center;
            min-height: 44px;
        }

        .btn-primary {
            background: var(--button-gradient);
            color: #0D1117;
            box-shadow: 0 4px 18px rgba(0, 230, 118, 0.28);
        }

        .btn-primary:hover {
            background: var(--button-gradient-hover);
            color: #0D1117;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 230, 118, 0.4);
        }

        .btn-outline {
            border: 1.5px solid rgba(0, 230, 118, 0.4);
            background: transparent;
            color: var(--accent-green);
        }

        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--accent-green);
            transform: translateY(-2px);
            color: var(--accent-green);
        }

        .btn-ghost {
            background: rgba(0, 230, 118, 0.08);
            color: var(--accent-green);
            border: 1px solid rgba(0, 230, 118, 0.18);
        }

        .btn-ghost:hover {
            background: rgba(0, 230, 118, 0.16);
            border-color: rgba(0, 230, 118, 0.35);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            min-height: 36px;
            border-radius: var(--radius-pill);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            min-height: 54px;
        }

        /* ===== Replay List Cards (horizontal) ===== */
        .replay-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .replay-card {
            background: var(--bg-card-rgba);
            border: 1px solid rgba(0, 230, 118, 0.14);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 20px;
            align-items: center;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .replay-card:hover {
            border-color: rgba(0, 230, 118, 0.35);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .replay-card .match-status {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            min-width: 70px;
        }

        .replay-card .match-league {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .replay-card .match-time {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .replay-card .match-body {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .replay-card .match-teams {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .replay-card .match-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .replay-card .match-meta .badge {
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            background: rgba(0, 230, 118, 0.1);
            color: var(--accent-green);
            border: 1px solid rgba(0, 230, 118, 0.2);
        }

        .replay-card .match-meta .badge.amber {
            background: rgba(255, 176, 32, 0.1);
            color: var(--accent-amber);
            border-color: rgba(255, 176, 32, 0.25);
        }

        .replay-card .match-meta .badge.red {
            background: rgba(255, 77, 46, 0.1);
            color: var(--accent-red);
            border-color: rgba(255, 77, 46, 0.25);
        }

        .replay-card .match-action {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* ===== Highlight Cards Grid ===== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .highlight-card {
            background: var(--bg-card-rgba);
            border: 1px solid rgba(0, 230, 118, 0.12);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .highlight-card:hover {
            border-color: rgba(0, 230, 118, 0.32);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .highlight-card .card-thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .highlight-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .highlight-card:hover .card-thumb img {
            transform: scale(1.03);
        }

        .highlight-card .thumb-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(13, 17, 23, 0.85);
            border: 1px solid rgba(0, 230, 118, 0.3);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.04em;
            backdrop-filter: blur(8px);
        }

        .highlight-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .highlight-card .card-title {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin: 0;
        }

        .highlight-card .card-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0;
            flex: 1;
        }

        .highlight-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--bg-card-rgba);
            border: 1px solid rgba(0, 230, 118, 0.14);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-card);
        }

        .stats-bar .stat-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .stats-bar .stat-value {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .stats-bar .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ===== Timeline ===== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(0, 230, 118, 0.5) 0%, rgba(0, 230, 118, 0.08) 100%);
        }

        .timeline-item {
            position: relative;
            padding: 18px 0 18px 20px;
            border-bottom: 1px solid rgba(0, 230, 118, 0.08);
        }

        .timeline-item:last-child {
            border-bottom: none;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 27px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15), 0 0 12px rgba(0, 230, 118, 0.4);
        }

        .timeline-item .tl-time {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            display: block;
            margin-bottom: 4px;
        }

        .timeline-item .tl-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
            margin-bottom: 4px;
        }

        .timeline-item .tl-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Tips Box ===== */
        .tips-box {
            background: var(--bg-card-rgba);
            border: 1px solid rgba(0, 230, 118, 0.14);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tips-box .tip-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .tips-box .tip-icon {
            font-size: 1.6rem;
            line-height: 1;
        }

        .tips-box .tip-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .tips-box .tip-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--bg-card-rgba);
            border: 1px solid rgba(0, 230, 118, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(0, 230, 118, 0.28);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(0, 230, 118, 0.05);
        }

        .faq-question .faq-icon {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            color: var(--accent-green);
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(14, 31, 26, 0.95) 0%, rgba(21, 31, 43, 0.92) 100%);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            padding: 44px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            box-shadow: var(--shadow-card);
            flex-wrap: wrap;
        }

        .cta-section .cta-content {
            flex: 1;
            min-width: 260px;
        }

        .cta-section .cta-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .cta-section .cta-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-section .cta-actions .btn {
            min-width: 140px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080C10;
            border-top: 1px solid rgba(0, 230, 118, 0.1);
            padding: 48px 0 32px;
            margin-top: 40px;
        }

        .footer-container {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(0, 230, 118, 0.08);
        }

        .footer-logo {
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
            max-width: 320px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .footer-links-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links-col h5 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-secondary);
            letter-spacing: 0.06em;
            margin: 0 0 8px;
            text-transform: uppercase;
        }

        .footer-links-col a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--accent-green);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 60px;
            }

            .container {
                padding: 0 20px;
            }

            .site-header {
                padding: 0 16px;
                top: 14px;
            }

            .site-header .nav-shell {
                padding: 10px 18px;
                border-radius: 16px;
            }

            .nav-menu a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }

            .category-hero .inner {
                padding: 32px 28px;
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .category-hero .hero-visual {
                min-height: 200px;
            }

            .category-hero .hero-visual img {
                min-height: 200px;
            }

            .category-hero h1 {
                font-size: 2.1rem;
            }

            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 24px;
            }

            .tips-box {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 24px 28px;
            }

            .footer-container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --nav-height-desktop: 60px;
            }

            .container {
                padding: 0 14px;
            }

            .site-header {
                top: 10px;
                padding: 0 10px;
            }

            .site-header .nav-shell {
                padding: 8px 14px;
                border-radius: 14px;
                min-height: var(--nav-height-desktop);
            }

            .nav-logo {
                font-size: 1.15rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.98);
                border: 1px solid rgba(0, 230, 118, 0.2);
                border-radius: var(--radius-md);
                flex-direction: column;
                padding: 12px;
                gap: 2px;
                box-shadow: var(--shadow-card);
                backdrop-filter: blur(16px);
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
                text-align: left;
            }

            .breadcrumb-area {
                padding-top: 120px;
                padding-bottom: 8px;
            }

            .category-hero {
                padding: 24px 0 32px;
            }

            .category-hero .inner {
                padding: 24px 20px;
                border-radius: var(--radius-md);
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .category-hero .hero-desc {
                font-size: 0.95rem;
            }

            .category-hero .hero-visual {
                min-height: 160px;
            }

            .category-hero .hero-visual img {
                min-height: 160px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                margin-bottom: 24px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .replay-card {
                padding: 16px;
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .replay-card .match-status {
                flex-direction: row;
                gap: 8px;
                min-width: auto;
            }

            .replay-card .match-action {
                justify-content: flex-start;
            }

            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 18px 16px;
            }

            .stats-bar .stat-value {
                font-size: 1.7rem;
            }

            .tips-box {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 20px;
            }

            .timeline {
                padding-left: 24px;
            }

            .timeline::before {
                left: 8px;
            }

            .timeline-item::before {
                left: -20px;
                width: 8px;
                height: 8px;
            }

            .cta-section {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                border-radius: var(--radius-md);
            }

            .cta-section .cta-title {
                font-size: 1.3rem;
            }

            .footer-container {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 10px;
            }

            .site-header .nav-shell {
                padding: 8px 10px;
            }

            .nav-logo {
                font-size: 1rem;
            }

            .nav-logo .logo-icon {
                font-size: 1.2rem;
            }

            .category-hero .inner {
                padding: 20px 16px;
            }

            .category-hero h1 {
                font-size: 1.4rem;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 14px 12px;
            }

            .stats-bar .stat-value {
                font-size: 1.4rem;
            }

            .stats-bar .stat-label {
                font-size: 0.78rem;
            }

            .cta-section {
                padding: 22px 16px;
            }

            .cta-section .cta-title {
                font-size: 1.15rem;
            }

            .footer-links {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }
        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }
        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }
        .nav-logo {
            font-weight: 800;
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            font-size: 1.6rem;
            color: var(--accent-green);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-menu a {
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(0, 230, 118, 0.1);
            color: var(--accent-green);
        }
        .nav-menu a.active {
            background: rgba(0, 230, 118, 0.16);
            color: var(--accent-green);
            box-shadow: 0 0 0 1px rgba(0, 230, 118, 0.2);
        }
        .nav-toggle {
            display: none;
            pointer-events: auto;
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: 10px;
            padding: 10px 14px;
            color: var(--accent-green);
            font-size: 1.3rem;
            line-height: 1;
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(0, 230, 118, 0.16);
        }
        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(13, 17, 23, 0.98);
                border: 1px solid rgba(0, 230, 118, 0.22);
                border-radius: var(--radius-md);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                box-shadow: 0 24px 56px rgba(0, 0, 0, 0.6);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 1rem;
            }
            .site-header .nav-shell {
                position: relative;
                padding: 12px 20px;
            }
        }
        @media (max-width: 520px) {
            .site-header {
                top: 12px;
                padding: 0 12px;
            }
            .site-header .nav-shell {
                padding: 10px 16px;
                min-height: 60px;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo .logo-icon {
                font-size: 1.3rem;
            }
        }
        /* ===== Category Hero (compact) ===== */
        .category-hero {
            padding: 140px 0 48px;
            position: relative;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.9) 0%, rgba(13, 17, 23, 0.75) 100%),
                url('/assets/images/710e7c926fcb1083.jpg') center / cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 230, 118, 0.12);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.55) 0%, rgba(13, 17, 23, 0.85) 100%);
            z-index: 1;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-cat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-cat a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-cat a:hover {
            color: var(--accent-green);
        }
        .breadcrumb-cat .sep {
            color: var(--text-muted);
        }
        .breadcrumb-cat .current {
            color: var(--accent-green);
            font-weight: 600;
        }
        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 18px;
            max-width: 800px;
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 820px;
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            background: var(--button-gradient);
            color: #0D1117;
            font-weight: 700;
            font-size: 0.95rem;
            transition: background var(--transition-smooth), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.3);
            border: none;
        }
        .btn-primary-custom:hover {
            background: var(--button-gradient-hover);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(0, 230, 118, 0.42);
            color: #0D1117;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.95rem;
            border: 1.5px solid rgba(0, 230, 118, 0.45);
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
        }
        .btn-outline-custom:hover {
            background: rgba(0, 230, 118, 0.12);
            border-color: var(--accent-green);
            transform: translateY(-2px);
            color: var(--text-primary);
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 110px 0 36px;
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding: 90px 0 28px;
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-desc {
                font-size: 0.88rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                justify-content: center;
                width: 100%;
                padding: 12px 18px;
                font-size: 0.88rem;
            }
        }
        /* ===== Main sections ===== */
        main {
            display: block;
            padding-bottom: var(--spacing-section);
        }
        section {
            padding: var(--spacing-section) 0;
        }
        @media (max-width: 1024px) {
            section {
                padding: var(--spacing-section-tablet) 0;
            }
        }
        @media (max-width: 520px) {
            section {
                padding: var(--spacing-section-mobile) 0;
            }
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.35;
            letter-spacing: -0.005em;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-top: 10px;
            max-width: 680px;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 2px;
            margin-top: 16px;
            margin-bottom: 0;
        }
        @media (max-width: 520px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
        }
        /* ===== Live cards ===== */
        .live-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .live-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth), transform var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .live-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }
        .live-card-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .live-badge-live {
            background: rgba(255, 77, 46, 0.16);
            color: var(--accent-red);
            box-shadow: 0 0 0 1px rgba(255, 77, 46, 0.3);
        }
        .live-badge-upcoming {
            background: rgba(255, 176, 32, 0.14);
            color: var(--accent-amber);
            box-shadow: 0 0 0 1px rgba(255, 176, 32, 0.3);
        }
        .live-league {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .live-matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .live-team {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .live-score {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-green);
            letter-spacing: 0.02em;
            text-align: center;
            min-width: 80px;
        }
        .live-status {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
            text-align: center;
        }
        .live-card-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }
        .live-time {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 600;
        }
        .live-watch-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--button-gradient);
            color: #0D1117;
            font-weight: 700;
            font-size: 0.85rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .live-watch-btn:hover {
            background: var(--button-gradient-hover);
            transform: translateY(-1px);
            color: #0D1117;
        }
        @media (max-width: 768px) {
            .live-card-grid {
                grid-template-columns: 1fr;
            }
            .live-score {
                font-size: 1.8rem;
                min-width: 60px;
            }
            .live-team {
                font-size: 1rem;
            }
        }
        /* ===== Schedule table ===== */
        .schedule-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background var(--transition-fast);
            flex-wrap: wrap;
        }
        .schedule-item:last-child {
            border-bottom: none;
        }
        .schedule-item:hover {
            background: rgba(0, 230, 118, 0.04);
        }
        .schedule-info {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .schedule-time {
            font-family: var(--font-mono);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-cyan);
            min-width: 72px;
        }
        .schedule-league {
            font-size: 0.8rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .schedule-mu {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .schedule-actions {
            display: flex;
            gap: 10px;
        }
        @media (max-width: 520px) {
            .schedule-item {
                padding: 14px 16px;
                gap: 10px;
            }
            .schedule-time {
                font-size: 0.85rem;
                min-width: 58px;
            }
        }
        /* ===== Feature cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth), transform var(--transition-fast);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-strong);
            transform: translateY(-4px);
        }
        .feature-card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .feature-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(13, 17, 23, 0.9) 100%);
        }
        .feature-card-body {
            padding: 20px 22px 24px;
        }
        .feature-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .feature-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
        }
        .feature-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(0, 230, 118, 0.1);
            color: var(--accent-green);
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card-img {
                height: 180px;
            }
        }
        /* ===== Stats strip ===== */
        .stats-strip {
            background: var(--bg-secondary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            box-shadow: var(--shadow-card);
        }
        .stat-block {
            text-align: center;
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 600;
        }
        .stat-extra {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 28px 20px;
                gap: 20px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                padding: 22px 14px;
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        /* ===== Tips / discussion ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .tip-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .tip-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
        }
        .tip-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-green);
            flex-shrink: 0;
        }
        .tip-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .tip-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Topic cards ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-strong);
        }
        .topic-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .topic-card p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            flex-grow: 1;
        }
        .topic-link {
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }
        .topic-link:hover {
            color: var(--accent-cyan);
        }
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h3::before {
            content: 'Q';
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.12);
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            padding-left: 38px;
        }
        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== CTA section ===== */
        .cta-section {
            background: var(--bg-secondary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 13px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 230, 118, 0.25);
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-input::placeholder {
            color: var(--text-muted);
        }
        .cta-input:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.12);
        }
        .cta-btn {
            padding: 13px 32px;
            border-radius: var(--radius-pill);
            background: var(--button-gradient);
            color: #0D1117;
            font-weight: 700;
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .cta-btn:hover {
            background: var(--button-gradient-hover);
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 36px 18px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-input,
            .cta-btn {
                width: 100%;
                text-align: center;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 118, 0.12);
            padding: 60px 0 0;
            margin-top: var(--spacing-section);
        }
        .footer-container {
            display: grid;
            grid-template-columns: 1.5fr 2.5fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo .logo-icon {
            font-size: 1.5rem;
            color: var(--accent-green);
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .footer-links-col h5 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-links-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition-fast), transform var(--transition-fast);
        }
        .footer-links-col a:hover {
            color: var(--accent-green);
            transform: translateX(3px);
        }
        .footer-bottom {
            padding: 20px 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-green);
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Utility ===== */
        .text-accent-green {
            color: var(--accent-green);
        }
        .text-accent-cyan {
            color: var(--accent-cyan);
        }
        .text-accent-amber {
            color: var(--accent-amber);
        }
        .text-accent-red {
            color: var(--accent-red);
        }
        .fw-700 {
            font-weight: 700;
        }
        .fw-800 {
            font-weight: 800;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            box-sizing: border-box;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }

        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
            box-sizing: border-box;
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--button-gradient);
            border-radius: 10px;
            font-size: 1.3rem;
            color: #0D1117;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: 999px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(0, 230, 118, 0.08);
        }

        .nav-menu a.active {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.12);
            border: 1px solid rgba(0, 230, 118, 0.22);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.2);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            pointer-events: auto;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrapper {
            padding-top: 140px;
            padding-bottom: 8px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb li:last-child {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ===== Page Header ===== */
        .page-header {
            padding: 24px 0 40px;
            position: relative;
        }

        .page-header .header-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            color: var(--accent-green);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        .page-header h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .page-header .header-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Section Common ===== */
        section {
            padding: var(--spacing-section) 0;
            box-sizing: border-box;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 640px;
            margin: 0;
        }

        /* ===== Data Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

        .stat-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .stat-value {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== Data Table Card ===== */
        .data-table-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 230, 118, 0.12);
            overflow: hidden;
            margin-top: 32px;
        }

        .data-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid rgba(0, 230, 118, 0.1);
            flex-wrap: wrap;
            gap: 12px;
        }

        .data-table-header h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 77, 46, 0.15);
            color: var(--accent-red);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            letter-spacing: 0.05em;
        }

        .live-badge .dot {
            width: 7px;
            height: 7px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .data-table th {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            white-space: nowrap;
        }

        .data-table td {
            padding: 16px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .data-table tr:last-child td {
            border-bottom: none;
        }

        .data-table tr:hover td {
            background: rgba(0, 230, 118, 0.03);
            color: var(--text-primary);
        }

        .data-table .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .team-color-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .data-table .score-cell {
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-green);
        }

        .data-table .status-live {
            color: var(--accent-red);
            font-weight: 700;
            font-size: 0.8rem;
        }

        .data-table .status-scheduled {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .data-table .status-finished {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* ===== Insights Grid ===== */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

        .insight-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .insight-card .insight-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .insight-card .insight-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(13, 17, 23, 0.85) 100%);
        }

        .insight-card .insight-body {
            padding: 20px 22px 24px;
        }

        .insight-card .insight-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent-cyan);
            background: rgba(0, 255, 179, 0.08);
            border: 1px solid rgba(0, 255, 179, 0.18);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }

        .insight-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .insight-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 12px;
        }

        .insight-card .insight-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Trend Section ===== */
        .trend-section {
            background: var(--bg-light-warm);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: var(--text-dark);
            margin-top: 32px;
        }

        .trend-section .section-title {
            color: var(--text-dark);
        }

        .trend-section .section-desc {
            color: #4A5550;
        }

        .trend-bars {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-top: 28px;
        }

        .trend-bar-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .trend-bar-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            min-width: 110px;
            text-align: right;
            white-space: nowrap;
        }

        .trend-bar-track {
            flex: 1;
            height: 12px;
            background: rgba(26, 36, 46, 0.1);
            border-radius: 999px;
            overflow: hidden;
        }

        .trend-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #00C963 0%, #00FFB3 100%);
            transition: width var(--transition-smooth);
        }

        .trend-bar-value {
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--text-dark);
            min-width: 44px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-card);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid rgba(0, 230, 118, 0.14);
            margin-top: 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 12px;
            position: relative;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: 999px;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
            box-sizing: border-box;
        }

        .btn-primary {
            background: var(--button-gradient);
            color: #0D1117;
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.25);
        }

        .btn-primary:hover {
            background: var(--button-gradient-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 230, 118, 0.4);
            color: #0D1117;
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-green);
            border: 1px solid rgba(0, 230, 118, 0.4);
        }

        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.08);
            border-color: var(--border-strong);
            transform: translateY(-2px);
            color: var(--accent-green);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 118, 0.1);
            padding: 56px 0 28px;
            margin-top: 60px;
        }

        .footer-container {
            display: grid;
            grid-template-columns: 1.4fr 2fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--button-gradient);
            border-radius: 10px;
            font-size: 1.1rem;
            color: #0D1117;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 340px;
            margin: 0;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .footer-links-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

        .footer-links-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--accent-green);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .nav-menu {
                gap: 2px;
            }
            .nav-menu a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .page-header h1 {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--spacing-section-tablet) 0;
            }
            .site-header {
                top: 12px;
                padding: 0 12px;
            }
            .site-header .nav-shell {
                padding: 8px 16px;
                min-height: 56px;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .nav-menu {
                display: none;
            }
            .nav-menu.open {
                display: flex;
                position: fixed;
                top: 76px;
                left: 12px;
                right: 12px;
                flex-direction: column;
                background: rgba(13, 17, 23, 0.97);
                border: 1px solid rgba(0, 230, 118, 0.2);
                border-radius: var(--radius-lg);
                padding: 20px;
                gap: 6px;
                box-shadow: var(--shadow-card-hover);
                z-index: 1001;
            }
            .nav-menu.open a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .nav-toggle {
                display: flex;
            }
            .breadcrumb-wrapper {
                padding-top: 100px;
            }
            .page-header h1 {
                font-size: 1.8rem;
            }
            .page-header .header-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-value {
                font-size: 1.8rem;
            }
            .insights-grid {
                grid-template-columns: 1fr;
            }
            .trend-section {
                padding: 32px 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            section {
                padding: var(--spacing-section-mobile) 0;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .data-table-header {
                padding: 16px;
            }
            .data-table th,
            .data-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .data-table .team-cell {
                gap: 6px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .site-header {
                top: 8px;
                padding: 0 8px;
            }
            .site-header .nav-shell {
                padding: 8px 12px;
                border-radius: 14px;
                min-height: 48px;
            }
            .nav-logo {
                font-size: 0.95rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .breadcrumb-wrapper {
                padding-top: 80px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }

        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .nav-logo .logo-icon {
            font-size: 1.6rem;
            display: inline-block;
            transform: translateY(-1px);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-menu a {
            padding: 8px 12px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(0, 230, 118, 0.08);
        }

        .nav-menu a.active {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.12);
            font-weight: 700;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            background: none;
            border: none;
            padding: 4px 8px;
            border-radius: 8px;
            pointer-events: auto;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            padding-top: 130px;
            padding-bottom: 16px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb .sep {
            color: var(--accent-green);
            font-weight: 700;
        }

        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* ===== Page Intro ===== */
        .page-intro {
            padding: 32px 0 44px;
        }

        .page-intro-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: start;
        }

        .page-intro-body h1 {
            font-size: 2.4rem;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .page-intro-body h1 .highlight {
            color: var(--accent-green);
            position: relative;
        }

        .page-intro-body h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--button-gradient);
            border-radius: 99px;
            opacity: 0.6;
        }

        .page-intro-body .intro-text {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-top: 20px;
        }

        .page-intro-stats {
            background: var(--bg-card-rgba);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .stat-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .stat-item {
            text-align: center;
            background: rgba(0, 230, 118, 0.04);
            border-radius: var(--radius-sm);
            padding: 16px 8px;
        }

        .stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== News List ===== */
        .news-section {
            padding: var(--spacing-section) 0;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-head h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .section-head .section-tag {
            display: inline-block;
            background: rgba(0, 230, 118, 0.12);
            color: var(--accent-green);
            font-size: 0.82rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }

        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 180px 1fr auto;
            gap: 20px;
            background: var(--bg-card-rgba);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
            align-items: center;
        }

        .news-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .news-item:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-body {
            min-width: 0;
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--accent-amber);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .news-summary {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-action {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-end;
        }

        .btn-news {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            background: rgba(0, 230, 118, 0.12);
            color: var(--accent-green);
            font-weight: 600;
            font-size: 0.88rem;
            border: 1px solid var(--border-glow);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-news:hover {
            background: rgba(0, 230, 118, 0.22);
            border-color: var(--border-strong);
            color: var(--text-primary);
            transform: translateY(-1px);
        }

        .news-tag {
            font-size: 0.75rem;
            color: var(--text-muted);
            padding: 2px 10px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-pill);
        }

        /* ===== Support Section: Hot Topics ===== */
        .hot-topics {
            padding: var(--spacing-section) 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 118, 0.08);
            border-bottom: 1px solid rgba(0, 230, 118, 0.08);
        }

        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .hot-topic-card {
            background: var(--bg-card-rgba);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-glow);
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .hot-topic-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .hot-topic-card .hot-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1;
            margin-bottom: 12px;
        }

        .hot-topic-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .hot-topic-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Data Bar ===== */
        .data-bar-section {
            padding: 48px 0;
        }

        .data-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-bar-item {
            text-align: center;
            padding: 20px;
            background: rgba(21, 31, 43, 0.7);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(0, 230, 118, 0.1);
        }

        .data-bar-item .data-value {
            font-family: var(--font-mono);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }

        .data-bar-item .data-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-section {
            padding: var(--spacing-section) 0;
        }

        .subscribe-box {
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(0, 255, 179, 0.04) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-info h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .subscribe-info p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            color: var(--text-primary);
            font-size: 0.95rem;
            min-width: 260px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--border-strong);
        }

        .btn-primary {
            background: var(--button-gradient);
            color: var(--text-dark);
            font-weight: 700;
            padding: 12px 26px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.2);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--button-gradient-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 230, 118, 0.3);
            color: var(--text-dark);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 118, 0.12);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-container {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-logo {
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-logo .logo-icon {
            font-size: 1.7rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .footer-links-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-links-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--accent-green);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .page-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-intro-stats {
                max-width: none;
            }
            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-item {
                grid-template-columns: 140px 1fr;
                gap: 16px;
            }
            .news-thumb {
                width: 140px;
                height: 100px;
            }
            .news-action {
                grid-column: 1 / -1;
                flex-direction: row;
                justify-content: flex-start;
                align-items: center;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 0 14px;
            }
            .site-header .nav-shell {
                padding: 10px 16px;
                border-radius: var(--radius-md);
                min-height: 56px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 14px;
                right: 14px;
                background: rgba(13, 17, 23, 0.98);
                border: 1px solid var(--border-glow);
                border-radius: var(--radius-md);
                padding: 16px;
                flex-direction: column;
                gap: 6px;
                align-items: stretch;
                box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 14px;
                font-size: 0.95rem;
                width: 100%;
            }
            .nav-toggle {
                display: block;
                pointer-events: auto;
            }
            .breadcrumb-area {
                padding-top: 96px;
            }
            .page-intro-body h1 {
                font-size: 1.8rem;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 180px;
            }
            .news-action {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
            .data-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 20px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .page-intro-body h1 {
                font-size: 1.5rem;
            }
            .stat-row {
                grid-template-columns: 1fr 1fr;
            }
            .data-bar {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .news-item {
                padding: 12px;
            }
            .news-thumb {
                height: 150px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }
        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }
        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }
        .nav-logo {
            font-weight: 800;
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--accent-green);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--button-gradient);
            border-radius: 10px;
            font-size: 1.2rem;
            color: #0D1117;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-menu a {
            position: relative;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu a:hover {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.06);
        }
        .nav-menu a.active {
            color: #0D1117;
            background: var(--button-gradient);
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border-glow);
            background: rgba(21, 31, 43, 0.9);
            pointer-events: auto;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* ===== Hero ===== */
        .page-hero {
            padding: 160px 0 70px;
            background: linear-gradient(180deg, rgba(14, 31, 26, 0.6) 0%, rgba(13, 17, 23, 0.9) 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(0, 230, 118, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-green);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--accent-green);
        }
        .page-hero h1 {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .page-hero .hero-desc {
            font-size: 1.1rem;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 720px;
        }
        .hero-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 0.9rem;
            color: var(--text-muted);
            background: rgba(21, 31, 43, 0.7);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
        }
        .hero-meta .meta-item strong {
            color: var(--accent-green);
            font-weight: 600;
        }
        /* ===== Section base ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background-color: var(--bg-light);
            color: var(--text-dark);
        }
        .section-alt .section-label {
            color: #0E7C4A;
        }
        .section-alt h2 {
            color: var(--text-dark);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent-green);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-green);
            border-radius: 2px;
        }
        h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .section-intro {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.85;
            margin-bottom: 36px;
        }
        .section-alt .section-intro {
            color: #4A5A54;
        }
        /* ===== Featured article ===== */
        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }
        .featured-article:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
        }
        .featured-article .article-cover {
            min-height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: flex-end;
            justify-content: flex-start;
            padding: 24px;
        }
        .featured-article .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(13, 17, 23, 0.9) 100%);
        }
        .featured-article .article-cover .tag {
            position: relative;
            z-index: 1;
        }
        .featured-article .article-body {
            padding: 32px 32px 32px 8px;
        }
        .featured-article .article-body .tag {
            margin-bottom: 14px;
        }
        .featured-article h3 {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .featured-article .article-excerpt {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-meta-row .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-row .meta-item .icon {
            font-size: 0.9rem;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(0, 230, 118, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(0, 230, 118, 0.25);
            white-space: nowrap;
        }
        .tag-amber {
            background: rgba(255, 176, 32, 0.12);
            color: var(--accent-amber);
            border-color: rgba(255, 176, 32, 0.3);
        }
        .tag-red {
            background: rgba(255, 77, 46, 0.12);
            color: var(--accent-red);
            border-color: rgba(255, 77, 46, 0.3);
        }
        /* ===== Topic list ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .topic-card .card-cover {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .topic-card .card-cover .tag {
            position: absolute;
            top: 14px;
            left: 14px;
        }
        .topic-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .topic-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .topic-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }
        .topic-card .read-link {
            font-weight: 600;
            color: var(--accent-green);
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .topic-card .read-link:hover {
            color: var(--accent-cyan);
        }
        /* ===== Data strip ===== */
        .data-strip {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-glow);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-strip .data-item {
            text-align: center;
        }
        .data-strip .data-item .number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
            display: block;
        }
        .data-strip .data-item .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        /* ===== Deep content ===== */
        .deep-content {
            max-width: 820px;
            margin: 0 auto;
        }
        .deep-content .content-block {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 32px 36px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-card);
        }
        .deep-content .content-block h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .deep-content .content-block p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-content .content-block p:last-child {
            margin-bottom: 0;
        }
        .deep-content .content-block blockquote {
            border-left: 3px solid var(--accent-green);
            padding: 12px 18px;
            margin: 18px 0;
            background: rgba(0, 230, 118, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
            font-size: 0.95rem;
        }
        .deep-content .content-block blockquote strong {
            color: var(--accent-green);
            font-style: normal;
        }
        /* ===== Trending ===== */
        .trending-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trending-item {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            transition: all var(--transition-smooth);
        }
        .trending-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .trending-item .rank {
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--accent-green);
            width: 48px;
            text-align: center;
            flex-shrink: 0;
        }
        .trending-item .rank.top-1 {
            color: var(--accent-amber);
        }
        .trending-item .rank.top-2 {
            color: var(--accent-cyan);
        }
        .trending-item .trending-info {
            flex: 1;
            min-width: 0;
        }
        .trending-item .trending-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .trending-item .trending-info .trending-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .trending-item .trend-tag {
            flex-shrink: 0;
        }
        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(0, 255, 179, 0.05) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }
        .subscribe-cta .cta-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .subscribe-cta .cta-text p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .subscribe-cta .cta-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }
        .subscribe-cta .cta-form input {
            background: rgba(13, 17, 23, 0.8);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-pill);
            padding: 12px 20px;
            font-size: 0.95rem;
            color: var(--text-primary);
            min-width: 260px;
            transition: border-color var(--transition-fast);
        }
        .subscribe-cta .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-cta .cta-form input:focus {
            border-color: var(--accent-green);
            outline: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .btn-primary {
            background: var(--button-gradient);
            color: #0D1117;
        }
        .btn-primary:hover {
            background: var(--button-gradient-hover);
            color: #0D1117;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.25);
        }
        .btn-outline {
            border: 1px solid var(--border-strong);
            color: var(--accent-green);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            color: var(--accent-cyan);
            transform: translateY(-2px);
        }
        /* ===== Sidebar ===== */
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 6px 8px;
            border-radius: 6px;
            transition: all var(--transition-fast);
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.06);
        }
        .sidebar-card ul li a .count {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
        }
        /* ===== Related topics ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .related-card {
            display: flex;
            gap: 14px;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: all var(--transition-smooth);
        }
        .related-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .related-card .related-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .related-card .related-info h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .related-card .related-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item details summary {
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item details summary::-webkit-details-marker {
            display: none;
        }
        .faq-item details summary .faq-icon {
            color: var(--accent-green);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        .faq-item details[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item details .faq-answer {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 230, 118, 0.15);
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--button-gradient);
            border-radius: 8px;
            color: #0D1117;
            font-size: 1rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .footer-links-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-links-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-links-col a:hover {
            color: var(--accent-green);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .footer-bottom .legal-links a {
            color: var(--text-muted);
        }
        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 0;
            }
            .nav-menu a {
                font-size: 0.82rem;
                padding: 7px 8px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article .article-body {
                padding: 24px 28px 28px;
            }
            .featured-article .article-cover {
                min-height: 240px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-cta {
                padding: 32px 28px;
                flex-direction: column;
                text-align: center;
            }
            .subscribe-cta .cta-form {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
            .subscribe-cta .cta-form input {
                min-width: 200px;
                flex: 1;
            }
            .section {
                padding: var(--spacing-section-tablet) 0;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                padding: 0 12px;
            }
            .site-header .nav-shell {
                padding: 10px 16px;
                min-height: 56px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(13, 17, 23, 0.98);
                border: 1px solid var(--border-glow);
                border-radius: var(--radius-md);
                padding: 12px;
                gap: 2px;
                display: none;
                max-height: 70vh;
                overflow-y: auto;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .nav-menu a.active {
                background: var(--button-gradient);
                color: #0D1117;
            }
            .page-hero {
                padding: 120px 0 50px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 20px;
            }
            .data-strip .data-item .number {
                font-size: 1.8rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .deep-content .content-block {
                padding: 24px 22px;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .container {
                padding: 0 16px;
            }
            .subscribe-cta .cta-form {
                flex-direction: column;
            }
            .subscribe-cta .cta-form input {
                min-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .featured-article .article-cover {
                min-height: 180px;
            }
            .hero-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .trending-item {
                flex-wrap: wrap;
            }
            .trending-item .rank {
                width: 36px;
                font-size: 1.3rem;
            }
        }

/* roulang page: category7 */
:root {
            --bg-primary: #0D1117;
            --bg-secondary: #0E1F1A;
            --bg-card: #151F2B;
            --bg-card-rgba: rgba(21, 31, 43, 0.92);
            --bg-light: #F4F7F6;
            --bg-light-warm: #ECEFF3;
            --text-primary: #F2F6F4;
            --text-secondary: #B8C4BF;
            --text-muted: #7A8A83;
            --text-dark: #1A242E;
            --accent-green: #00E676;
            --accent-cyan: #00FFB3;
            --accent-amber: #FFB020;
            --accent-red: #FF4D2E;
            --border-glow: rgba(0, 230, 118, 0.18);
            --border-strong: rgba(0, 230, 118, 0.45);
            --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
            --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
            --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-tablet: 60px;
            --spacing-section-mobile: 40px;
            --container-max: 1200px;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
            --nav-height-desktop: 72px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-light .section-title {
            color: var(--text-dark);
        }

        .section-light .section-subtitle {
            color: #4A5A53;
        }

        .section-title {
            font-size: clamp(1.75rem, 2.8vw, 2.35rem);
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.75;
        }

        .section-head {
            margin-bottom: 42px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--button-gradient);
            color: #0A0F0C;
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.3);
        }

        .btn-primary:hover {
            background: var(--button-gradient-hover);
            color: #0A0F0C;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 230, 118, 0.42);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(0, 230, 118, 0.4);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: rgba(0, 230, 118, 0.1);
            border-color: var(--accent-green);
            color: var(--accent-green);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 230, 118, 0.15);
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
            pointer-events: none;
        }

        .site-header .nav-shell {
            pointer-events: auto;
            max-width: var(--container-max);
            margin: 0 auto;
            background: rgba(13, 17, 23, 0.88);
            background: rgba(14, 31, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 230, 118, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height-desktop);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
            gap: 16px;
        }

        .site-header.scrolled .nav-shell {
            background: rgba(13, 17, 23, 0.96);
            border-color: rgba(0, 230, 118, 0.28);
            box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-logo .logo-icon {
            font-size: 1.5rem;
            color: var(--accent-green);
        }

        .nav-logo:hover {
            color: var(--accent-green);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-menu a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu a:hover {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.08);
        }

        .nav-menu a.active {
            color: var(--accent-green);
            background: rgba(0, 230, 118, 0.12);
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            line-height: 1;
            border-radius: 8px;
        }

        .nav-toggle:hover {
            color: var(--accent-green);
        }

        /* About Hero */
        .about-hero {
            padding-top: calc(var(--nav-height-desktop) + 60px);
            padding-bottom: 48px;
            position: relative;
        }

        .about-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            overflow: hidden;
            border-radius: 0 0 32px 32px;
            z-index: 0;
            opacity: 0.42;
        }

        .about-hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: saturate(0.85) contrast(1.05);
        }

        .about-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.85) 0%, rgba(14, 31, 26, 0.92) 75%, var(--bg-primary) 100%);
        }

        .about-hero .container {
            position: relative;
            z-index: 1;
        }

        .about-hero-content {
            max-width: 800px;
        }

        .about-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .about-hero .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .about-hero .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .about-hero .breadcrumb span {
            color: var(--accent-green);
        }

        .about-hero h1 {
            font-size: clamp(2.2rem, 4vh, 3.2rem);
            line-height: 1.22;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.015em;
        }

        .about-hero h1 em {
            font-style: normal;
            color: var(--accent-green);
        }

        .about-hero .about-hero-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .about-hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .about-hero-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .about-hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .about-hero-meta .meta-item strong {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-amber);
            font-size: 1.05rem;
        }

        /* Brand intro */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 42px;
            align-items: start;
        }

        .brand-intro-text h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .brand-intro-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .brand-intro-text .highlight-quote {
            border-left: 4px solid var(--accent-green);
            background: rgba(0, 230, 118, 0.08);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 1.05rem;
            color: var(--text-primary);
            font-weight: 600;
            margin: 22px 0;
            line-height: 1.7;
        }

        .brand-intro-side {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-card);
            position: sticky;
            top: 100px;
        }

        .brand-intro-side h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .brand-intro-side ul {
            list-style: none;
        }

        .brand-intro-side li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.92rem;
            color: var(--text-secondary);
        }

        .brand-intro-side li:last-child {
            border-bottom: none;
        }

        .brand-intro-side li .li-icon {
            color: var(--accent-green);
            flex-shrink: 0;
            font-weight: 700;
        }

        /* Service matrix */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-matrix-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .service-matrix-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .service-matrix-card .card-icon {
            font-size: 2rem;
            color: var(--accent-green);
            margin-bottom: 14px;
            display: block;
        }

        .service-matrix-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .service-matrix-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Milestones */
        .milestones-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }

        .milestone-item {
            text-align: center;
            padding: 0 10px;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .milestone-item:last-child {
            border-right: none;
        }

        .milestone-item .milestone-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .milestone-item .milestone-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Tech assurance */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .tech-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }

        .tech-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .tech-card .tech-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-green);
        }

        .tech-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .tech-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Service promise */
        .promise-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .promise-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: rgba(21, 31, 43, 0.6);
            border: 1px solid rgba(0, 230, 118, 0.12);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: all var(--transition-fast);
        }

        .promise-item:hover {
            border-color: var(--border-strong);
            background: rgba(21, 31, 43, 0.85);
        }

        .promise-item .promise-check {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--accent-green);
            font-weight: 700;
            margin-top: 4px;
        }

        .promise-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .promise-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Fan value */
        .fan-value-grid {
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 36px;
            align-items: center;
        }

        .fan-value-image img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--border-glow);
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .fan-value-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .fan-value-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .fan-value-text .fan-tag {
            display: inline-block;
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            color: var(--accent-green);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            margin-right: 8px;
            margin-bottom: 6px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0E1F1A 0%, #0D1117 55%, #0E1F1A 100%);
            border-top: 1px solid rgba(0, 230, 118, 0.15);
            border-bottom: 1px solid rgba(0, 230, 118, 0.15);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 60%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #0A0E12;
            border-top: 1px solid rgba(0, 230, 118, 0.1);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-container {
            display: grid;
            grid-template-columns: 1.4fr 2.6fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-icon {
            font-size: 1.5rem;
            color: var(--accent-green);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .footer-links-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-links-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

        .footer-links-col a:hover {
            color: var(--accent-green);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-green);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .brand-intro-side {
                position: static;
            }
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestones-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .milestone-item:nth-child(2) {
                border-right: none;
            }
            .milestone-item {
                border-right: 1px solid rgba(255, 255, 255, 0.08);
            }
            .fan-value-grid {
                grid-template-columns: 1fr;
            }
            .fan-value-image img {
                height: 260px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 10px;
                padding: 0 12px;
            }
            .site-header .nav-shell {
                padding: 10px 16px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-toggle {
                display: block;
                order: 2;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                order: 3;
                background: rgba(13, 17, 23, 0.97);
                border-radius: var(--radius-sm);
                padding: 10px;
                border: 1px solid rgba(0, 230, 118, 0.2);
                max-height: 300px;
                overflow-y: auto;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 14px;
                font-size: 0.9rem;
                text-align: center;
            }
            .about-hero {
                padding-top: calc(var(--nav-height-desktop) + 44px);
                padding-bottom: 32px;
            }
            .about-hero h1 {
                font-size: 1.9rem;
            }
            .section {
                padding: var(--spacing-section-tablet) 0;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
            }
            .tech-grid {
                grid-template-columns: 1fr;
            }
            .promise-list {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .container {
                padding: 0 18px;
            }
            .about-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .about-hero-actions .btn {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .milestones-strip {
                grid-template-columns: 1fr;
                padding: 20px 16px;
            }
            .milestone-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 10px 0;
            }
            .milestone-item:last-child {
                border-bottom: none;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .about-hero h1 {
                font-size: 1.6rem;
            }
        }

/* roulang page: category6 */
:root {
      --bg-primary: #0D1117;
      --bg-secondary: #0E1F1A;
      --bg-card: #151F2B;
      --bg-card-rgba: rgba(21, 31, 43, 0.92);
      --bg-light: #F4F7F6;
      --bg-light-warm: #ECEFF3;
      --text-primary: #F2F6F4;
      --text-secondary: #B8C4BF;
      --text-muted: #7A8A83;
      --text-dark: #1A242E;
      --accent-green: #00E676;
      --accent-cyan: #00FFB3;
      --accent-amber: #FFB020;
      --accent-red: #FF4D2E;
      --border-glow: rgba(0, 230, 118, 0.18);
      --border-strong: rgba(0, 230, 118, 0.45);
      --button-gradient: linear-gradient(135deg, #00E676 0%, #00FFB3 100%);
      --button-gradient-hover: linear-gradient(135deg, #00C963 0%, #00E6A1 100%);
      --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 230, 118, 0.06), 0 0 18px rgba(0, 230, 118, 0.05);
      --shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 230, 118, 0.22), 0 0 28px rgba(0, 230, 118, 0.14);
      --radius-sm: 12px;
      --radius-md: 16px;
      --radius-lg: 20px;
      --radius-pill: 999px;
      --spacing-section: 80px;
      --spacing-section-tablet: 60px;
      --spacing-section-mobile: 40px;
      --container-max: 1200px;
      --font-mono: 'Roboto Mono', 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', system-ui, 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
      --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --transition-smooth: 260ms cubic-bezier(0.33, 1, 0.68, 1);
      --nav-height-desktop: 72px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      text-rendering: optimizeLegibility;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.85;
      color: var(--text-primary);
      background-color: var(--bg-primary);
      background-image: radial-gradient(ellipse at 20% -10%, rgba(0, 230, 118, 0.04) 0%, transparent 55%),
                        radial-gradient(ellipse at 90% 10%, rgba(0, 255, 179, 0.03) 0%, transparent 50%);
      min-height: 100vh;
      overflow-x: hidden;
      letter-spacing: 0.01em;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
      border: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-fast);
    }

    a:hover {
      color: var(--accent-green);
    }

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
      color: inherit;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 3px solid var(--accent-green);
      outline-offset: 2px;
      border-radius: 8px;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 32px;
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 14px;
      }
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 20px;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0 24px;
      transition: top var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
      pointer-events: none;
    }

    .site-header .nav-shell {
      pointer-events: auto;
      max-width: var(--container-max);
      margin: 0 auto;
      background: rgba(13, 17, 23, 0.88);
      background: rgba(14, 31, 26, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(0, 230, 118, 0.18);
      border-radius: var(--radius-lg);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
      padding: 12px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: var(--nav-height-desktop);
      transition: background var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    }

    .site-header.scrolled .nav-shell {
      background: rgba(13, 17, 23, 0.96);
      border-color: rgba(0, 230, 118, 0.28);
      box-shadow: 0 16px 42px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 230, 118, 0.08);
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--text-primary);
      letter-spacing: 0.02em;
      white-space: nowrap;
      transition: transform var(--transition-fast);
    }

    .nav-logo:hover {
      transform: translateY(-1px);
      color: var(--accent-green);
    }

    .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background: var(--button-gradient);
      color: var(--text-dark);
      font-size: 1.3rem;
      box-shadow: 0 0 20px rgba(0, 230, 118, 0.35);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }

    .nav-menu a {
      display: inline-block;
      padding: 10px 16px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-secondary);
      border-radius: var(--radius-pill);
      transition: color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
      white-space: nowrap;
    }

    .nav-menu a:hover {
      color: var(--accent-green);
      background: rgba(0, 230, 118, 0.08);
    }

    .nav-menu a.active {
      color: var(--text-dark);
      background: var(--button-gradient);
      box-shadow: 0 4px 16px rgba(0, 230, 118, 0.28);
      font-weight: 700;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(0, 230, 118, 0.08);
      border: 1px solid rgba(0, 230, 118, 0.22);
      color: var(--accent-green);
      font-size: 1.5rem;
      transition: background var(--transition-fast);
    }

    .nav-toggle:hover {
      background: rgba(0, 230, 118, 0.16);
    }

    @media (max-width: 1024px) {
      .nav-menu a {
        padding: 9px 12px;
        font-size: 0.9rem;
      }
    }

    @media (max-width: 900px) {
      .site-header {
        top: 12px;
        padding: 0 16px;
      }
      .site-header .nav-shell {
        padding: 10px 18px;
        min-height: 64px;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .nav-menu {
        position: absolute;
        top: calc(100% + 12px);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(13, 17, 23, 0.98);
        border: 1px solid rgba(0, 230, 118, 0.22);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        padding: 12px;
        gap: 4px;
        display: none;
        z-index: 1001;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-menu a {
        padding: 14px 16px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
      }
    }

    @media (max-width: 520px) {
      .site-header {
        top: 8px;
        padding: 0 8px;
      }
      .site-header .nav-shell {
        padding: 8px 14px;
        min-height: 58px;
        border-radius: 16px;
      }
      .nav-logo {
        font-size: 1.1rem;
      }
      .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
        border-radius: 10px;
      }
    }

    /* ===== Category Hero ===== */
    .category-hero {
      position: relative;
      padding: 180px 0 72px;
      background-image: linear-gradient(135deg, rgba(13, 17, 23, 0.92) 0%, rgba(14, 31, 26, 0.88) 100%), url('/assets/images/f3830a476290d72b.webp');
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid rgba(0, 230, 118, 0.12);
      overflow: hidden;
    }

    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 80% 20%, rgba(0, 230, 118, 0.12) 0%, transparent 45%),
                  radial-gradient(circle at 10% 80%, rgba(255, 77, 46, 0.08) 0%, transparent 40%);
      pointer-events: none;
    }

    .category-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 22px;
      letter-spacing: 0.03em;
    }

    .breadcrumb a {
      color: var(--accent-green);
      font-weight: 600;
      transition: color var(--transition-fast);
    }

    .breadcrumb a:hover {
      color: var(--accent-cyan);
    }

    .breadcrumb .divider {
      opacity: 0.5;
    }

    .category-hero h1 {
      font-size: clamp(2.2rem, 5vw, 3.5rem);
      line-height: 1.22;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }

    .category-hero .hero-subtitle {
      font-size: 1.12rem;
      line-height: 1.85;
      color: var(--text-secondary);
      max-width: 850px;
      margin-bottom: 28px;
      letter-spacing: 0.01em;
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      margin-bottom: 28px;
    }

    .hero-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.95rem;
      color: var(--text-secondary);
      background: rgba(21, 31, 43, 0.7);
      padding: 8px 16px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(0, 230, 118, 0.16);
      backdrop-filter: blur(8px);
    }

    .hero-meta-item .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-green);
      box-shadow: 0 0 10px rgba(0, 230, 118, 0.8);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 24px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.98rem;
      letter-spacing: 0.02em;
      transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--button-gradient);
      color: var(--text-dark);
      box-shadow: 0 8px 24px rgba(0, 230, 118, 0.28);
    }

    .btn-primary:hover {
      background: var(--button-gradient-hover);
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(0, 230, 118, 0.4);
      color: var(--text-dark);
    }

    .btn-outline {
      background: transparent;
      color: var(--accent-green);
      border-color: rgba(0, 230, 118, 0.45);
    }

    .btn-outline:hover {
      background: rgba(0, 230, 118, 0.1);
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      transform: translateY(-2px);
    }

    @media (max-width: 768px) {
      .category-hero {
        padding: 140px 0 50px;
      }
      .category-hero h1 {
        font-size: 2rem;
      }
      .category-hero .hero-subtitle {
        font-size: 1rem;
      }
      .hero-actions {
        gap: 10px;
      }
      .btn {
        padding: 11px 20px;
        font-size: 0.92rem;
      }
    }

    @media (max-width: 520px) {
      .category-hero {
        padding: 120px 0 40px;
      }
      .category-hero h1 {
        font-size: 1.65rem;
      }
      .hero-meta {
        gap: 12px;
      }
    }

    /* ===== Common Section ===== */
    .section {
      padding: var(--spacing-section) 0;
      position: relative;
    }

    .section-head {
      max-width: 720px;
      margin-bottom: 36px;
    }

    .section-head .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent-green);
      background: rgba(0, 230, 118, 0.08);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(0, 230, 118, 0.2);
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: clamp(1.8rem, 3.4vw, 2.4rem);
      line-height: 1.3;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.01em;
      margin-bottom: 12px;
    }

    .section-head p {
      font-size: 1.03rem;
      color: var(--text-secondary);
      line-height: 1.85;
    }

    .section.dark {
      background-color: var(--bg-secondary);
    }

    .section.light {
      background-color: var(--bg-light);
      color: var(--text-dark);
    }

    .section.light .section-head h2,
    .section.light .section-head p {
      color: var(--text-dark);
    }

    @media (max-width: 768px) {
      .section {
        padding: var(--spacing-section-tablet) 0;
      }
      .section-head {
        margin-bottom: 24px;
      }
    }

    @media (max-width: 520px) {
      .section {
        padding: var(--spacing-section-mobile) 0;
      }
    }

    /* ===== Topic List ===== */
    .topic-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .topic-item {
      display: grid;
      grid-template-columns: 68px 1fr auto;
      gap: 18px;
      align-items: center;
      background: rgba(21, 31, 43, 0.92);
      border: 1px solid rgba(0, 230, 118, 0.16);
      border-radius: var(--radius-md);
      padding: 20px 22px;
      box-shadow: var(--shadow-card);
      transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    }

    .topic-item:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(0, 230, 118, 0.38);
      transform: translateY(-3px);
    }

    .topic-rank {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 60px;
      height: 60px;
      border-radius: var(--radius-sm);
      background: rgba(0, 230, 118, 0.06);
      border: 1px solid rgba(0, 230, 118, 0.2);
      font-family: var(--font-mono);
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--accent-green);
    }

    .topic-rank small {
      font-size: 0.7rem;
      font-weight: 500;
      color: var(--text-muted);
      letter-spacing: 0.04em;
    }

    .topic-content {
      min-width: 0;
    }

    .topic-content h3 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 6px;
      letter-spacing: 0.01em;
    }

    .topic-content p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .topic-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .topic-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-dark);
      background: var(--button-gradient);
      transition: background var(--transition-fast), transform var(--transition-fast);
      white-space: nowrap;
    }

    .topic-btn:hover {
      background: var(--button-gradient-hover);
      transform: translateY(-2px);
      color: var(--text-dark);
    }

    @media (max-width: 768px) {
      .topic-item {
        grid-template-columns: 52px 1fr;
        gap: 14px;
        padding: 16px;
      }
      .topic-btn {
        grid-column: 1 / -1;
        justify-self: start;
      }
      .topic-rank {
        width: 52px;
        height: 52px;
        font-size: 1.2rem;
      }
    }

    @media (max-width: 520px) {
      .topic-item {
        grid-template-columns: 1fr;
        gap: 12px;
      }
      .topic-rank {
        flex-direction: row;
        width: auto;
        height: auto;
        padding: 6px 14px;
        justify-self: start;
        gap: 6px;
        font-size: 1rem;
      }
      .topic-content h3 {
        font-size: 1.05rem;
      }
    }

    .list-footer {
      display: flex;
      justify-content: flex-end;
      margin-top: 24px;
    }

    .list-footer a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 700;
      color: var(--accent-green);
      transition: color var(--transition-fast);
    }

    .list-footer a:hover {
      color: var(--accent-cyan);
    }

    /* ===== Action Cards ===== */
    .action-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .action-card {
      background: rgba(21, 31, 43, 0.92);
      border: 1px solid rgba(0, 230, 118, 0.16);
      border-radius: var(--radius-md);
      padding: 26px 22px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 12px;
      transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    }

    .action-card:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(0, 230, 118, 0.38);
      transform: translateY(-4px);
    }

    .action-icon {
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      border-radius: var(--radius-sm);
      background: rgba(0, 230, 118, 0.08);
      border: 1px solid rgba(0, 230, 118, 0.2);
      color: var(--accent-green);
    }

    .action-card h3 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-primary);
    }

    .action-card p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.7;
      flex: 1;
    }

    .action-link {
      font-weight: 700;
      font-size: 0.9rem;
      color: var(--accent-green);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    @media (max-width: 900px) {
      .action-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 620px) {
      .action-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== Stats Bar ===== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .stat-card {
      background: rgba(21, 31, 43, 0.92);
      border: 1px solid rgba(0, 230, 118, 0.14);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-card);
      transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
    }

    .stat-card:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(0, 230, 118, 0.32);
    }

    .stat-number {
      font-family: var(--font-mono);
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--accent-green);
      line-height: 1.2;
      letter-spacing: -0.02em;
    }

    .stat-label {
      font-size: 0.92rem;
      color: var(--text-secondary);
      margin-top: 6px;
      font-weight: 600;
    }

    @media (max-width: 900px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 520px) {
      .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
    }

    /* ===== Event Cards ===== */
    .event-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .event-card {
      background: rgba(21, 31, 43, 0.92);
      border: 1px solid rgba(0, 230, 118, 0.16);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
      display: flex;
      flex-direction: column;
    }

    .event-card:hover {
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(0, 230, 118, 0.38);
      transform: translateY(-4px);
    }

    .event-image {
      height: 200px;
      overflow: hidden;
      position: relative;
    }

    .event-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-smooth);
    }

    .event-card:hover .event-image img {
      transform: scale(1.04);
    }

    .event-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(13, 17, 23, 0.88);
      color: var(--accent-green);
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(0, 230, 118, 0.35);
      backdrop-filter: blur(8px);
    }

    .event-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }

    .event-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-primary);
    }

    .event-body p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.7;
      flex: 1;
    }

    .event-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.83rem;
      color: var(--text-muted);
    }

    .event-link {
      font-weight: 700;
      font-size: 0.92rem;
      color: var(--accent-green);
      display: inline-flex;
      align-items: center;
      gap: 5px;
      align-self: flex-start;
    }

    @media (max-width: 768px) {
      .event-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== Highlight Section ===== */
    .highlight-content {
      background: rgba(21, 31, 43, 0.92);
      border: 1px solid rgba(0, 230, 118, 0.18);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
    }

    .highlight-content h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
    }

    .highlight-content p {
      font-size: 1rem;
      line-height: 1.9;
      color: var(--text-secondary);
      margin-bottom: 16px;
    }

    .highlight-content .highlight-quote {
      margin: 20px 0;
      padding: 18px 22px;
      background: rgba(0, 230, 118, 0.04);
      border-left: 4px solid var(--accent-green);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-size: 1.02rem;
      color: var(--text-primary);
      line-height: 1.8;
    }

    @media (max-width: 520px) {
      .highlight-content {
        padding: 22px 18px;
      }
    }

    /* ===== FAQ ===== */
    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .faq-item {
      background: rgba(21, 31, 43, 0.92);
      border: 1px solid rgba(0, 230, 118, 0.14);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .faq-item.active {
      border-color: rgba(0, 230, 118, 0.4);
      box-shadow: var(--shadow-card-hover);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 18px 20px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-primary);
      text-align: left;
      letter-spacing: 0.01em;
      transition: background var(--transition-fast), color var(--transition-fast);
    }

    .faq-question:hover {
      background: rgba(0, 230, 118, 0.04);
      color: var(--accent-green);
    }

    .faq-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--accent-green);
      transition: transform var(--transition-fast);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition-smooth), padding var(--transition-smooth);
      padding: 0 20px;
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.8;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 20px 20px;
    }

    @media (max-width: 768px) {
      .faq-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== CTA ===== */
    .cta-panel {
      background: linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, rgba(0, 255, 179, 0.05) 100%);
      border: 1px solid rgba(0, 230, 118, 0.2);
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      box-shadow: var(--shadow-card);
    }

    .cta-panel h2 {
      font-size: 1.7rem;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 8px;
    }

    .cta-panel p {
      color: var(--text-secondary);
      font-size: 1rem;
      line-height: 1.8;
      max-width: 600px;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    @media (max-width: 700px) {
      .cta-panel {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px 20px;
      }
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0A0E12;
      border-top: 1px solid rgba(0, 230, 118, 0.12);
      padding: 60px 0 30px;
      margin-top: var(--spacing-section);
    }

    .footer-container {
      display: grid;
      grid-template-columns: 1.4fr 2fr;
      gap: 40px;
      margin-bottom: 28px;
    }

    .footer-brand {
      max-width: 400px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-primary);
      margin-bottom: 14px;
    }

    .footer-logo .logo-icon {
      width: 36px;
      height: 36px;
      font-size: 1.1rem;
      border-radius: 10px;
    }

    .footer-brand p {
      font-size: 0.95rem;
      line-height: 1.8;
      color: var(--text-secondary);
    }

    .footer-links {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .footer-links-col h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 14px;
      letter-spacing: 0.04em;
    }

    .footer-links-col a {
      display: block;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      transition: color var(--transition-fast), transform var(--transition-fast);
    }

    .footer-links-col a:hover {
      color: var(--accent-green);
      transform: translateX(3px);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 22px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .legal-links {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .legal-links a {
      color: var(--text-muted);
    }

    .legal-links a:hover {
      color: var(--accent-green);
    }

    @media (max-width: 900px) {
      .footer-container {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-links {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 520px) {
      .site-footer {
        padding: 40px 0 20px;
      }
      .footer-links {
        grid-template-columns: 1fr;
        gap: 18px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
