/* roulang page: index */
:root {
            --bg-deep: #0A0E17;
            --bg-card: #141B2B;
            --bg-card-hover: #1C263A;
            --bg-footer: #05080E;
            --bg-panel: #111827;
            --neon-cyan: #00F0FF;
            --neon-cyan-rgb: 0, 240, 255;
            --electric-purple: #B900FF;
            --electric-purple-rgb: 185, 0, 255;
            --text-white: #FFFFFF;
            --text-body: #B0C0D0;
            --text-muted: #6A7890;
            --border-default: #2A3344;
            --border-light: #1E2A3A;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 6px 20px rgba(0, 240, 255, 0.12);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.35);
            --shadow-glow-purple: 0 0 18px rgba(185, 0, 255, 0.35);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --gap-xs: 8px;
            --gap-sm: 12px;
            --gap-md: 20px;
            --gap-lg: 32px;
            --gap-xl: 48px;
            --gap-xxl: 64px;
            --max-width: 1280px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.85;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.3px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--neon-cyan);
        }
        a:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 2px;
            border-radius: 3px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--gap-md);
            padding-right: var(--gap-md);
        }

        @media (max-width: 768px) {
            .container {
                padding-left: var(--gap-sm);
                padding-right: var(--gap-sm);
            }
            :root {
                --gap-xl: 32px;
                --gap-xxl: 40px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 10px;
                padding-right: 10px;
            }
            :root {
                --gap-lg: 20px;
                --gap-xl: 24px;
                --gap-xxl: 28px;
            }
            html {
                font-size: 14px;
            }
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid transparent;
            border-image: linear-gradient(90deg, transparent, var(--electric-purple), transparent) 1;
            border-image-slice: 1;
            transition: border var(--transition-normal);
        }
        .site-header.scrolled {
            border-bottom-color: rgba(185, 0, 255, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gap-md);
            height: 60px;
            position: relative;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: 1px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-purple));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 900;
        }
        .logo-link:hover {
            color: var(--neon-cyan);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links>li>a {
            display: block;
            padding: 8px 16px;
            color: var(--text-white);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links>li>a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
            transition: transform var(--transition-normal);
        }
        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--neon-cyan);
        }
        .nav-links>li>a:hover::after,
        .nav-links>li>a.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-links>li>a.active {
            font-weight: 700;
        }
        .mega-trigger {
            position: relative;
        }
        .mega-trigger>a {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .mega-trigger>a .fa-caret-down {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .mega-trigger:hover>a .fa-caret-down {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--bg-panel);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: var(--gap-md);
            min-width: 420px;
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all var(--transition-normal);
            z-index: 999;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-sm);
            pointer-events: none;
        }
        .mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }
        .mega-panel .mega-mini-card {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mega-panel .mega-mini-card:hover {
            border-color: var(--neon-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
        }
        .mega-panel .mega-mini-card .mini-thumb {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-deep);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--neon-cyan);
        }
        .mega-panel .mega-mini-card .mini-info {
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.3;
        }
        .mega-panel .mega-mini-card .mini-info strong {
            color: var(--text-white);
            display: block;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            flex-direction: column;
            gap: 5px;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: var(--gap-md);
                gap: 2px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 998;
                border-bottom: 1px solid var(--border-default);
                max-height: 80vh;
                overflow-y: auto;
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links>li>a {
                padding: 12px 16px;
                font-size: 1rem;
            }
            .mega-panel {
                position: static;
                min-width: auto;
                grid-template-columns: 1fr;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background: transparent;
                border: none;
                padding: var(--gap-xs) 0 0 var(--gap-sm);
                display: none;
                pointer-events: auto;
            }
            .mega-trigger.open .mega-panel {
                display: grid;
            }
            .mega-trigger>a {
                justify-content: space-between;
            }
            .header-inner {
                height: 54px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--bg-deep);
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: var(--gap-xxl) 0;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-noise {
            position: absolute;
            inset: 0;
            background: repeating-radial-gradient(circle at 30% 40%, rgba(0, 240, 255, 0.03) 0px, transparent 3px),
                repeating-radial-gradient(circle at 70% 60%, rgba(185, 0, 255, 0.03) 0px, transparent 3px);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: var(--gap-xl);
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gap-md);
            width: 100%;
        }
        .hero-left h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.4rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
            line-height: 1.25;
            margin-bottom: var(--gap-sm);
            position: relative;
            padding-bottom: var(--gap-sm);
        }
        .hero-left h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-purple));
            border-radius: 2px;
        }
        .hero-left .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: var(--gap-md);
            line-height: 1.7;
        }
        .hero-left .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--neon-cyan);
            color: #0A0E17;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
            box-shadow: 0 0 0 rgba(0, 240, 255, 0);
        }
        .hero-left .hero-cta:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
            color: #0A0E17;
        }
        .hero-left .hero-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            border: 1.5px solid var(--electric-purple);
            margin-left: var(--gap-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .hero-left .hero-cta-secondary:hover {
            background: var(--electric-purple);
            color: #fff;
            box-shadow: var(--shadow-glow-purple);
        }
        .hero-hot-list {
            margin-top: var(--gap-md);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .hero-hot-list .hot-label {
            font-size: 0.78rem;
            color: var(--electric-purple);
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-hot-list .hot-label .live-dot {
            width: 8px;
            height: 8px;
            background: var(--neon-cyan);
            border-radius: 50%;
            animation: breathe 1.5s ease-in-out infinite;
        }
        @keyframes breathe {
            0%,
            100% {
                box-shadow: 0 0 4px var(--neon-cyan), 0 0 8px rgba(0, 240, 255, 0.6);
            }
            50% {
                box-shadow: 0 0 10px var(--neon-cyan), 0 0 20px rgba(0, 240, 255, 0.9);
            }
        }
        .hero-hot-list .hot-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: rgba(20, 27, 43, 0.7);
            font-size: 0.85rem;
            color: var(--text-body);
            transition: all var(--transition-fast);
            cursor: pointer;
            border-left: 2px solid transparent;
        }
        .hero-hot-list .hot-item:hover {
            border-left-color: var(--neon-cyan);
            background: var(--bg-card-hover);
            color: var(--text-white);
        }
        .hero-hot-list .hot-item .hot-rank {
            font-weight: 700;
            color: var(--electric-purple);
            font-size: 0.9rem;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }
        .hero-hot-list .hot-item .hot-rank.top {
            color: var(--neon-cyan);
        }
        .hero-right {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: var(--gap-sm);
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-sm);
            padding: var(--gap-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
            min-height: 90px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .data-card::before {
            content: '';
            position: absolute;
            top: -1px;
            right: -1px;
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, transparent 55%, rgba(0, 240, 255, 0.08) 55%);
            border-radius: 0 0 0 4px;
        }
        .data-card:hover {
            border-color: var(--neon-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .data-card .card-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 2px;
        }
        .data-card .card-value {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .data-card .card-trend {
            font-size: 0.72rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 3px;
            margin-top: 2px;
        }
        .data-card .card-trend.up {
            color: var(--neon-cyan);
        }
        .data-card .card-trend.down {
            color: #ff5577;
        }
        .data-card .card-trend .trend-arrow {
            font-size: 0.8rem;
        }
        .data-card .card-badge {
            position: absolute;
            top: 6px;
            right: 6px;
            background: var(--electric-purple);
            color: #fff;
            font-size: 0.6rem;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 2px;
            letter-spacing: 0.5px;
            z-index: 1;
        }
        .data-card .card-badge.live {
            background: #ff3344;
            animation: breathe 1.5s ease-in-out infinite;
        }
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--gap-lg);
            }
            .hero-right {
                grid-template-columns: 1fr 1fr 1fr 1fr;
            }
            .hero-section {
                min-height: auto;
                padding: var(--gap-xl) 0;
            }
        }
        @media (max-width: 768px) {
            .hero-right {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-left h1 {
                font-size: 1.8rem;
            }
            .hero-left .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-left .hero-cta,
            .hero-left .hero-cta-secondary {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .data-card {
                min-height: 70px;
                padding: 8px;
            }
            .data-card .card-value {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .hero-right {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }
            .hero-left h1 {
                font-size: 1.5rem;
            }
            .hero-left .hero-cta-secondary {
                margin-left: 4px;
            }
            .data-card {
                min-height: 60px;
                padding: 6px 8px;
            }
            .data-card .card-value {
                font-size: 1rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--gap-xxl) 0;
            position: relative;
        }
        .section-dark {
            background: var(--bg-deep);
        }
        .section-alt {
            background: #0C1220;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--gap-xl);
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
            display: inline-block;
            position: relative;
            padding-bottom: 10px;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-purple));
            border-radius: 2px;
        }
        .section-header p {
            color: var(--text-muted);
            margin-top: 8px;
            font-size: 0.95rem;
        }

        /* ========== SERVICE CARDS ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-md);
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: var(--gap-lg) var(--gap-md);
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
        }
        .service-card:hover {
            border-color: var(--neon-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .service-card .svc-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--gap-sm);
            font-size: 1.5rem;
            color: var(--neon-cyan);
            transition: all var(--transition-normal);
        }
        .service-card:hover .svc-icon {
            background: rgba(0, 240, 255, 0.18);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
        }
        .service-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .service-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--gap-sm);
            }
            .service-card {
                padding: var(--gap-md) var(--gap-sm);
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1px;
            background: var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .news-item {
            background: var(--bg-card);
            padding: var(--gap-md);
            display: grid;
            grid-template-columns: 100px 1fr auto;
            gap: var(--gap-md);
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            border-left: 6px solid transparent;
        }
        .news-item:hover {
            border-left-color: var(--electric-purple);
            background: var(--bg-card-hover);
        }
        .news-item .news-thumb {
            width: 100px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--bg-deep);
            flex-shrink: 0;
        }
        .news-item .news-body h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            margin-bottom: 3px;
            line-height: 1.35;
        }
        .news-item .news-body .news-summary {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            white-space: nowrap;
            text-align: right;
            flex-shrink: 0;
        }
        .news-item .news-tag {
            display: inline-block;
            background: rgba(185, 0, 255, 0.2);
            color: var(--electric-purple);
            font-size: 0.68rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 2px;
            margin-right: 4px;
            letter-spacing: 0.5px;
        }
        .news-item .news-tag.hot {
            background: rgba(255, 51, 68, 0.2);
            color: #ff5577;
        }
        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 70px 1fr;
                gap: var(--gap-sm);
                padding: var(--gap-sm);
            }
            .news-item .news-thumb {
                width: 70px;
                height: 48px;
            }
            .news-item .news-meta {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .news-item {
                grid-template-columns: 60px 1fr;
                gap: 8px;
            }
            .news-item .news-thumb {
                width: 60px;
                height: 40px;
            }
            .news-item .news-body h3 {
                font-size: 0.82rem;
            }
        }

        /* ========== TOPIC CARDS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-md);
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-normal);
        }
        .topic-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--bg-deep);
        }
        .topic-card .topic-body {
            padding: var(--gap-md);
        }
        .topic-card .topic-body h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .topic-card .topic-body p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .topic-card .topic-tags {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
        }
        .topic-card .topic-tags span {
            background: rgba(0, 240, 255, 0.1);
            color: var(--neon-cyan);
            font-size: 0.68rem;
            padding: 3px 8px;
            border-radius: 2px;
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topic-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-sm);
            }
            .topic-card .topic-img {
                height: 100px;
            }
        }

        /* ========== REVIEW CARDS ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: var(--gap-lg);
            transition: all var(--transition-normal);
            position: relative;
        }
        .review-card:hover {
            border-color: var(--electric-purple);
            box-shadow: var(--shadow-hover);
        }
        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--gap-sm);
        }
        .review-card .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-purple));
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .review-card .review-id {
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.9rem;
        }
        .review-card .review-role {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .review-card .review-stars {
            color: #ffbb33;
            font-size: 0.75rem;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .review-card .review-text {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.7;
            font-style: italic;
        }
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-sm);
            }
            .review-card {
                padding: var(--gap-md);
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item.open {
            border-color: var(--electric-purple);
        }
        .faq-question {
            padding: var(--gap-md);
            display: flex;
            align-items: flex-start;
            gap: var(--gap-sm);
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.95rem;
            user-select: none;
            transition: all var(--transition-fast);
        }
        .faq-question .faq-q {
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            line-height: 1.3;
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            align-self: center;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--neon-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: var(--bg-card-hover);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 var(--gap-md) var(--gap-md);
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.8;
        }
        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.85rem;
                padding: var(--gap-sm);
            }
            .faq-answer-inner {
                padding: 0 var(--gap-sm) var(--gap-sm);
                font-size: 0.78rem;
            }
        }

        /* ========== ECO TAGS ========== */
        .eco-tags-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-md);
        }
        .eco-tag-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: var(--gap-md);
            display: flex;
            align-items: flex-start;
            gap: var(--gap-sm);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .eco-tag-card:hover {
            border-color: var(--neon-cyan);
            background: var(--bg-card-hover);
        }
        .eco-tag-card .eco-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(185, 0, 255, 0.12);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--electric-purple);
        }
        .eco-tag-card .eco-text {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .eco-tags-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .eco-tags-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-sm);
            }
        }

        /* ========== CHANGELOG ========== */
        .changelog-list {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--gap-sm);
            position: relative;
            padding-left: 24px;
            border-left: 1px solid var(--border-default);
        }
        .changelog-item {
            position: relative;
            padding: var(--gap-sm) var(--gap-md);
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.6;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .changelog-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 14px;
            width: 8px;
            height: 8px;
            background: var(--neon-cyan);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }
        .changelog-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--neon-cyan);
        }
        .changelog-item .cl-date {
            font-size: 0.72rem;
            color: var(--text-muted);
            font-weight: 600;
            display: block;
            margin-bottom: 2px;
        }
        @media (max-width: 520px) {
            .changelog-list {
                padding-left: 16px;
            }
            .changelog-item::before {
                left: -20px;
                width: 6px;
                height: 6px;
            }
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.06), rgba(185, 0, 255, 0.06));
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: var(--gap-xl);
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .subscribe-section h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--text-white);
            margin-bottom: var(--gap-sm);
        }
        .subscribe-section p {
            color: var(--text-muted);
            margin-bottom: var(--gap-md);
            font-size: 0.9rem;
        }
        .subscribe-form {
            display: flex;
            gap: var(--gap-sm);
            max-width: 450px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            background: var(--bg-card);
            color: var(--text-white);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .subscribe-form input:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
        }
        .subscribe-form button {
            padding: 10px 24px;
            border-radius: var(--radius-md);
            background: var(--neon-cyan);
            color: #0A0E17;
            font-weight: 700;
            border: none;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
        }
        .subscribe-form button:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-footer);
            padding: var(--gap-xl) 0 var(--gap-md);
            border-top: 1px solid #111;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--gap-lg);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gap-md);
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: var(--gap-sm);
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--neon-cyan);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-white);
            letter-spacing: 0.8px;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: var(--gap-lg) auto 0;
            padding: var(--gap-md) var(--gap-md) 0;
            border-top: 1px solid #1a1a2a;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 2px 0;
        }
        .footer-bottom a {
            color: var(--text-muted);
            margin: 0 6px;
        }
        .footer-bottom a:hover {
            color: var(--neon-cyan);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--gap-md);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--gap-sm);
            }
            .footer-bottom {
                padding: var(--gap-sm) var(--gap-sm) 0;
            }
        }

        /* ========== BUTTON & MISC ========== */
        .btn-cyan {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--neon-cyan);
            color: #0A0E17;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
        }
        .btn-cyan:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
            color: #0A0E17;
        }
        .btn-purple-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            border: 1.5px solid var(--electric-purple);
            transition: all var(--transition-normal);
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-purple-outline:hover {
            background: var(--electric-purple);
            color: #fff;
            box-shadow: var(--shadow-glow-purple);
        }
        .badge-cyan {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            color: var(--neon-cyan);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 2px;
            letter-spacing: 0.5px;
        }
        .badge-purple {
            display: inline-block;
            background: rgba(185, 0, 255, 0.2);
            color: var(--electric-purple);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 2px;
            letter-spacing: 0.5px;
        }
        .separator-line {
            width: 100%;
            height: 1px;
            background: var(--border-default);
            margin: var(--gap-lg) 0;
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0A0E17;
            --bg-card: #141B2B;
            --bg-card-hover: #1C263A;
            --bg-footer: #05080E;
            --primary: #00F0FF;
            --primary-glow: rgba(0, 240, 255, 0.35);
            --accent: #B900FF;
            --accent-glow: rgba(185, 0, 255, 0.3);
            --text-white: #FFFFFF;
            --text-body: #B0C0D0;
            --text-muted: #6A7890;
            --border: #2A3344;
            --border-light: #3A4556;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.2);
            --shadow-accent: 0 0 16px rgba(185, 0, 255, 0.2);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --font-heading: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --section-gap: clamp(40px, 6vw, 72px);
            --container-max: 1280px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.85;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.3px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-normal);
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        input {
            font-family: inherit;
            transition: border var(--transition-fast), box-shadow var(--transition-fast);
        }
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 1px;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-white);
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            position: relative;
            padding-bottom: 14px;
            margin-bottom: 8px;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 1px;
        }
        h2 {
            font-size: clamp(1.35rem, 2.4vw, 1.8rem);
            position: relative;
            padding-bottom: 10px;
            margin-bottom: 6px;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 44px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 1px;
        }
        h3 {
            font-size: clamp(1.05rem, 1.5vw, 1.3rem);
        }
        h4 {
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 0.8em;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 28px;
            max-width: 680px;
        }

        /* 容器 */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 3vw, 32px);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            border-image: linear-gradient(90deg, var(--accent), var(--primary), var(--accent)) 1;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 24px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 3vw, 32px);
            height: 60px;
        }
        .logo-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-white);
            letter-spacing: 0.8px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-brand i {
            color: var(--primary);
            font-size: 1.3rem;
            animation: logoPulse 2.4s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                text-shadow: 0 0 6px var(--primary-glow);
            }
            50% {
                text-shadow: 0 0 18px var(--primary-glow), 0 0 28px var(--primary-glow);
            }
        }
        .logo-brand span {
            background: linear-gradient(135deg, var(--primary), #00c8d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links>li>a {
            display: block;
            padding: 10px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-links>li>a:hover,
        .nav-links>li>a:focus-visible {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.03);
        }
        .nav-links>li>a.active {
            color: var(--primary);
            position: relative;
        }
        .nav-links>li>a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            box-shadow: 0 0 8px var(--primary-glow);
        }
        .mega-trigger {
            position: relative;
        }
        .mega-trigger>a {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 12px;
            display: grid;
            grid-template-columns: repeat(2, 200px);
            gap: 8px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition-normal);
            z-index: 999;
        }
        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-mini-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            color: var(--text-body);
            font-size: 0.82rem;
            text-decoration: none;
            border: 1px solid transparent;
        }
        .mega-mini-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--primary);
            color: var(--text-white);
        }
        .mini-thumb {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .mini-info strong {
            display: block;
            color: var(--text-white);
            font-size: 0.85rem;
            line-height: 1.2;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 2px solid var(--accent);
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
                transform: translateY(-110%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 998;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links>li>a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .mega-panel {
                position: static;
                grid-template-columns: 1fr;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                border: none;
                background: transparent;
                padding: 4px 0 4px 20px;
                display: none;
            }
            .mega-trigger.open-mega .mega-panel {
                display: grid;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 50px;
            }
            .logo-brand {
                font-size: 1.1rem;
            }
            .mega-panel {
                grid-template-columns: 1fr;
            }
        }

        /* ========== HERO ========== */
        .hero-cat {
            position: relative;
            padding: clamp(40px, 7vw, 80px) 0 clamp(32px, 5vw, 56px);
            background: var(--bg-deep);
            overflow: hidden;
        }
        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
            filter: saturate(0.4) brightness(0.6);
        }
        .hero-cat::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 240, 255, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(185, 0, 255, 0.05) 0%, transparent 60%);
            z-index: 0;
            pointer-events: none;
        }
        .hero-cat .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-cat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(24px, 4vw, 48px);
            align-items: center;
        }
        .hero-cat-left h1 {
            font-size: clamp(1.7rem, 3.2vw, 2.3rem);
        }
        .hero-cat-left h1::after {
            width: 70px;
            background: linear-gradient(90deg, var(--accent), var(--primary), transparent);
        }
        .hero-cat-left .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-body);
            margin: 12px 0 20px;
            line-height: 1.7;
            max-width: 500px;
        }
        .hero-cat-left .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            background: var(--primary);
            color: #000;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
            letter-spacing: 0.4px;
            box-shadow: 0 0 0 0 var(--primary-glow);
        }
        .btn-primary:hover {
            box-shadow: 0 0 22px var(--primary-glow), 0 0 44px var(--primary-glow);
            transform: translateY(-1px);
            color: #000;
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            background: transparent;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            border: 2px solid var(--accent);
            transition: all var(--transition-normal);
            cursor: pointer;
            letter-spacing: 0.4px;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 0 20px var(--accent-glow);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }
        .hero-cat-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .hero-mini-stat {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 12px;
            text-align: center;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .hero-mini-stat:hover {
            border-color: var(--primary);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.12);
            background: var(--bg-card-hover);
        }
        .hero-mini-stat .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .hero-mini-stat .stat-label {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .hero-mini-stat .stat-trend {
            font-size: 0.7rem;
            color: var(--accent);
            position: absolute;
            top: 8px;
            right: 10px;
        }
        .hero-mini-stat .stat-trend.up {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .hero-cat-grid {
                grid-template-columns: 1fr;
            }
            .hero-cat-right {
                grid-template-columns: repeat(4, 1fr);
                gap: 8px;
            }
            .hero-mini-stat {
                padding: 10px 6px;
            }
            .hero-mini-stat .stat-num {
                font-size: 1.15rem;
            }
            .hero-mini-stat .stat-label {
                font-size: 0.65rem;
            }
            .hero-mini-stat .stat-trend {
                font-size: 0.6rem;
                top: 4px;
                right: 6px;
            }
        }
        @media (max-width: 520px) {
            .hero-cat-right {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }
            .hero-cat-left .hero-cta-row {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block.bg-alt {
            background: rgba(20, 27, 43, 0.35);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .section-title-row h2 {
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .section-title-row h2::after {
            display: none;
        }
        .section-title-row .title-underline {
            display: block;
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            border-radius: 1px;
            margin-top: 6px;
        }
        .section-link-more {
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .section-link-more:hover {
            color: #fff;
            text-shadow: 0 0 8px var(--primary-glow);
        }

        /* ========== 数据卡片阵列 ========== */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            transition: all var(--transition-normal);
            position: relative;
            cursor: pointer;
            overflow: hidden;
        }
        .data-card:hover {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .data-card .card-icon-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        .data-card .card-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
        }
        .data-card .card-badge {
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 3px;
            background: var(--accent);
            color: #fff;
            letter-spacing: 0.4px;
        }
        .data-card .card-badge.live {
            background: #ff2d55;
            animation: livePulse 1.8s ease-in-out infinite;
        }
        @keyframes livePulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        .data-card .card-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            line-height: 1;
            margin-bottom: 4px;
        }
        .data-card .card-value .trend-arrow {
            font-size: 0.9rem;
            margin-left: 6px;
        }
        .data-card .card-value .trend-arrow.up {
            color: var(--primary);
        }
        .data-card .card-value .trend-arrow.down {
            color: var(--accent);
        }
        .data-card .card-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 2px;
        }
        .data-card .card-note {
            font-size: 0.7rem;
            color: var(--text-muted);
            opacity: 0.7;
        }
        @media (max-width: 1024px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .data-cards-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .data-card {
                padding: 14px 12px;
            }
            .data-card .card-value {
                font-size: 1.4rem;
            }
        }

        /* ========== 资讯列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
            padding-left: 10px;
        }
        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 16px;
            bottom: 16px;
            width: 3px;
            border-radius: 2px;
            background: transparent;
            transition: background var(--transition-fast);
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.015);
        }
        .news-item:hover::before {
            background: var(--accent);
        }
        .news-item .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
        }
        .news-item .news-content h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--text-white);
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-content h4 {
            color: var(--primary);
        }
        .news-item .news-content p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .news-item .news-tag {
            display: inline-block;
            font-size: 0.65rem;
            padding: 2px 8px;
            border-radius: 3px;
            background: rgba(185, 0, 255, 0.2);
            color: var(--accent);
            font-weight: 600;
            margin-top: 4px;
        }
        @media (max-width: 520px) {
            .news-item {
                flex-direction: column;
                gap: 4px;
                padding-left: 6px;
            }
            .news-item .news-date {
                min-width: auto;
            }
            .news-item::before {
                top: 12px;
                bottom: 12px;
                width: 2px;
            }
        }

        /* ========== 专题推荐 ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--primary);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: var(--bg-card-hover);
        }
        .topic-card .topic-body {
            padding: 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .topic-body h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            line-height: 1.3;
        }
        .topic-card .topic-body .topic-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex: 1;
        }
        .topic-card .topic-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .topic-tag {
            font-size: 0.68rem;
            padding: 3px 8px;
            border-radius: 3px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--primary);
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== 评价卡片 ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-fast);
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .review-card:hover {
            border-color: var(--border-light);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .review-body .review-name {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--text-white);
            margin-bottom: 2px;
        }
        .review-body .review-role {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .review-body .review-text {
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .review-stars {
            color: #ffb800;
            font-size: 0.75rem;
            letter-spacing: 1px;
        }
        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .review-card {
                padding: 14px;
            }
        }

        /* ========== CTA ========== */
        .cta-block {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: clamp(28px, 5vw, 48px);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.07) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            text-align: center;
        }
        .cta-block h2::after {
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            background: linear-gradient(90deg, transparent, var(--accent), var(--primary), transparent);
        }
        .cta-block .cta-desc {
            color: var(--text-muted);
            margin: 12px 0 20px;
            font-size: 0.95rem;
        }
        .cta-block .btn-primary {
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item.open {
            border-color: var(--accent);
            box-shadow: 0 0 14px rgba(185, 0, 255, 0.1);
        }
        .faq-q {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 14px 16px;
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            user-select: none;
        }
        .faq-q .faq-q-prefix {
            color: var(--primary);
            flex-shrink: 0;
            font-size: 1.1rem;
            line-height: 1.4;
        }
        .faq-q .faq-arrow {
            margin-left: auto;
            color: var(--text-muted);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            background: rgba(28, 38, 58, 0.5);
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.8;
            padding: 0 16px;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding: 12px 16px 16px;
        }
        @media (max-width: 520px) {
            .faq-q {
                font-size: 0.88rem;
                padding: 12px;
            }
            .faq-a {
                font-size: 0.8rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-footer);
            padding: clamp(32px, 5vw, 56px) 0 24px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: clamp(20px, 3vw, 40px);
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 3vw, 32px);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: 0.6px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 5px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 28px auto 0;
            padding: 20px clamp(16px, 3vw, 32px) 0;
            border-top: 1px solid var(--border);
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-bottom {
                font-size: 0.7rem;
            }
        }

        /* ========== 通用辅助 ========== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .img-placeholder {
            background: var(--bg-card-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0A0E17;
            --bg-card: #141B2B;
            --bg-card-hover: #1C263A;
            --bg-footer: #05080E;
            --bg-panel: #141B2B;
            --primary: #00F0FF;
            --primary-glow: rgba(0, 240, 255, 0.35);
            --accent: #B900FF;
            --accent-glow: rgba(185, 0, 255, 0.35);
            --text-white: #FFFFFF;
            --text-body: #B0C0D0;
            --text-muted: #6A7890;
            --border-subtle: #2A3344;
            --border-active: #00F0FF;
            --border-accent: #B900FF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.25);
            --shadow-accent-glow: 0 0 18px rgba(185, 0, 255, 0.25);
            --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1280px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.85;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            margin-top: 0;
        }
        h1 {
            font-size: 2.4rem;
            line-height: 1.25;
            margin-bottom: 0.5em;
            position: relative;
        }
        h1::after {
            content: '';
            display: block;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            margin-top: 10px;
            border-radius: 2px;
        }
        h2 {
            font-size: 1.8rem;
            line-height: 1.3;
            margin-bottom: 0.6em;
            position: relative;
        }
        h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            margin-top: 8px;
            border-radius: 2px;
        }
        h3 {
            font-size: 1.3rem;
            line-height: 1.35;
            margin-bottom: 0.5em;
        }
        h4 {
            font-size: 1.05rem;
            line-height: 1.4;
            color: var(--text-white);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid transparent;
            background-image: linear-gradient(rgba(10, 14, 23, 0.92), rgba(10, 14, 23, 0.92)), linear-gradient(90deg, var(--accent), var(--primary), var(--accent));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            padding: 0 var(--spacing-md);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 58px;
        }
        .logo-brand {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #0A0E17;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: rgba(0, 240, 255, 0.06);
        }
        .nav-links a.active {
            border-bottom: 2px solid var(--primary);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            color: var(--text-white);
        }
        .mega-trigger {
            position: relative;
        }
        .mega-panel {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--bg-panel);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card), 0 8px 32px rgba(0, 0, 0, 0.5);
            padding: var(--spacing-sm);
            min-width: 300px;
            z-index: 999;
            grid-template-columns: 1fr 1fr;
            gap: 6px;
        }
        .mega-trigger:hover .mega-panel,
        .mega-panel:hover {
            display: grid;
        }
        .mega-mini-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1px solid transparent;
        }
        .mega-mini-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-subtle);
            color: var(--text-white);
        }
        .mini-thumb {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .mini-info strong {
            display: block;
            font-size: 0.85rem;
            color: var(--text-white);
            line-height: 1.3;
        }
        .mini-info {
            font-size: 0.72rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* Hero */
        .hero-section {
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            background: var(--bg-deep);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 23, 0.78);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--spacing-xl);
            align-items: start;
        }
        .hero-left h1 {
            font-size: 2.5rem;
            margin-bottom: 12px;
        }
        .hero-left h1::after {
            width: 72px;
            height: 3px;
            margin-top: 12px;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
            max-width: 440px;
        }
        .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: var(--primary);
            color: #0A0E17;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            color: #0A0E17;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            border: 2px solid var(--accent);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--text-white);
            box-shadow: var(--shadow-accent-glow);
            transform: translateY(-2px);
        }
        .hero-data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--spacing-sm);
        }
        .data-card-sm {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 14px 12px;
            position: relative;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .data-card-sm:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.12);
        }
        .data-card-sm .data-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 4px;
        }
        .data-card-sm .data-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            font-family: var(--font-heading);
            line-height: 1.1;
        }
        .data-card-sm .data-trend {
            font-size: 0.72rem;
            margin-top: 3px;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .trend-up {
            color: var(--primary);
        }
        .trend-down {
            color: var(--accent);
        }
        .badge-live {
            position: absolute;
            top: 8px;
            right: 10px;
            font-size: 0.65rem;
            font-weight: 700;
            color: #0A0E17;
            background: var(--primary);
            padding: 2px 7px;
            border-radius: 3px;
            animation: livePulse 1.6s ease-in-out infinite;
            letter-spacing: 0.4px;
        }
        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 4px rgba(0, 240, 255, 0.5);
            }
            50% {
                box-shadow: 0 0 16px rgba(0, 240, 255, 0.9);
            }
        }
        .badge-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--text-white);
            background: var(--accent);
            padding: 3px 8px;
            border-radius: 3px;
            letter-spacing: 0.3px;
        }

        /* Section common */
        .section-block {
            padding: var(--spacing-xl) 0;
        }
        .section-block.alt-bg {
            background: rgba(20, 27, 43, 0.3);
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            margin-bottom: 6px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 0.9rem;
            max-width: 600px;
        }

        /* Capability tags */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .capability-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .capability-card:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.08);
        }
        .capability-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .capability-text h4 {
            margin-bottom: 4px;
            font-size: 0.95rem;
            color: var(--text-white);
        }
        .capability-text p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--border-subtle);
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            position: relative;
            cursor: pointer;
            border-left: 3px solid transparent;
            padding-left: var(--spacing-sm);
        }
        .news-item:hover {
            border-left-color: var(--accent);
            background: rgba(185, 0, 255, 0.03);
            padding-left: 16px;
        }
        .news-thumb {
            width: 100px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-card);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h4 {
            font-size: 0.95rem;
            margin-bottom: 3px;
            color: var(--text-white);
        }
        .news-content h4 a {
            color: inherit;
        }
        .news-content h4 a:hover {
            color: var(--primary);
        }
        .news-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-bottom: 4px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .news-excerpt {
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.55;
            margin: 0;
        }
        .news-tag {
            display: inline-block;
            font-size: 0.65rem;
            font-weight: 700;
            color: var(--text-white);
            background: var(--accent);
            padding: 2px 7px;
            border-radius: 3px;
            letter-spacing: 0.3px;
            margin-left: 6px;
        }

        /* Topic cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--primary);
            box-shadow: 0 6px 24px rgba(0, 240, 255, 0.15);
            transform: translateY(-3px);
        }
        .topic-card-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--bg-card);
        }
        .topic-card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card-body h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--text-white);
        }
        .topic-card-body p {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex: 1;
            line-height: 1.5;
        }
        .topic-card .topic-tags {
            display: flex;
            gap: 5px;
            flex-wrap: wrap;
        }
        .topic-tags span {
            font-size: 0.65rem;
            padding: 2px 8px;
            border-radius: 3px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--primary);
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(185, 0, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent);
            flex-shrink: 0;
        }
        .review-user {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-white);
        }
        .review-role {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .review-stars {
            color: #FFB800;
            font-size: 0.75rem;
            margin-bottom: 6px;
        }
        .review-text {
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ Accordion */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.open {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 16px 18px;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
            width: 100%;
            letter-spacing: 0.3px;
        }
        .faq-question:hover {
            background: rgba(0, 240, 255, 0.03);
        }
        .faq-q-prefix {
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .faq-arrow {
            margin-left: auto;
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            background: #1C263A;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 18px 16px;
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            text-align: center;
            background: var(--bg-deep);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 23, 0.82);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 8px;
        }
        .cta-section h2::after {
            margin: 10px auto 0;
        }
        .cta-section p {
            color: var(--text-body);
            font-size: 0.95rem;
            margin-bottom: var(--spacing-lg);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 1px solid var(--border-subtle);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.8px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            color: var(--text-white);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 5px;
        }
        .footer-col ul li a {
            font-size: 0.78rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            border-top: 1px solid var(--border-subtle);
            font-size: 0.72rem;
            color: var(--text-muted);
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }
        .footer-bottom a {
            color: var(--text-muted);
            font-size: 0.72rem;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-data-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr 1fr;
            }
            .capability-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                background: var(--bg-deep);
                flex-direction: column;
                padding: var(--spacing-sm);
                border-bottom: 2px solid var(--accent);
                z-index: 998;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .nav-links a.active {
                border-radius: var(--radius-sm);
                border-bottom: none;
                background: rgba(0, 240, 255, 0.1);
            }
            .mega-panel {
                position: static;
                display: none;
                grid-template-columns: 1fr;
                box-shadow: none;
                border: none;
                background: transparent;
                padding: 4px 0;
            }
            .mega-trigger.open .mega-panel {
                display: grid;
            }
            .mega-trigger:hover .mega-panel {
                display: none;
            }
            .mega-trigger.open:hover .mega-panel {
                display: grid;
            }
            .hero-data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .capability-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 120px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .hero-left h1 {
                font-size: 2rem;
            }
        }
        @media screen and (max-width: 520px) {
            .hero-data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-card-sm {
                padding: 10px 8px;
            }
            .data-card-sm .data-value {
                font-size: 1.3rem;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .capability-grid {
                grid-template-columns: 1fr;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .hero-left h1 {
                font-size: 1.6rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0A0E17;
            --bg-card: #141B2B;
            --bg-card-hover: #1C263A;
            --bg-footer: #05080E;
            --neon-cyan: #00F0FF;
            --electric-purple: #B900FF;
            --text-white: #FFFFFF;
            --text-body: #B0C0D0;
            --text-muted: #6A7890;
            --border-default: #2A3344;
            --border-hover: #00F0FF;
            --border-purple: #B900FF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.35);
            --shadow-glow-purple: 0 0 16px rgba(185, 0, 255, 0.3);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 6px 28px rgba(0, 0, 0, 0.6);
            --font-h1: 2.4rem;
            --font-h2: 1.8rem;
            --font-h3: 1.3rem;
            --font-body: 1rem;
            --font-sm: 0.85rem;
            --font-xs: 0.72rem;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --line-height-body: 1.85;
            --line-height-heading: 1.25;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1280px;
            --nav-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-body);
            line-height: var(--line-height-body);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 4px;
            border-radius: var(--radius-sm);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--neon-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        ul {
            list-style: none;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid transparent;
            border-image: linear-gradient(90deg, var(--electric-purple), var(--neon-cyan), var(--electric-purple)) 1;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .logo-brand {
            font-size: 1.55rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-white);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand i {
            color: var(--neon-cyan);
            font-size: 1.4rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
        }

        .logo-brand span {
            background: linear-gradient(135deg, var(--neon-cyan), #00c8d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links li {
            position: relative;
            list-style: none;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.4px;
            white-space: nowrap;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-links li a:hover,
        .nav-links li a:focus-visible {
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .nav-links li a.active {
            color: var(--neon-cyan);
            font-weight: 700;
            position: relative;
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 2px;
            box-shadow: var(--shadow-glow-cyan);
        }

        .mega-trigger {
            position: relative;
        }

        .mega-trigger>a {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .mega-trigger>a i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .mega-trigger:hover>a i {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
            min-width: 340px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card-hover);
            z-index: 1001;
        }

        .mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(4px);
        }

        .mega-mini-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            color: var(--text-body);
            text-decoration: none;
        }

        .mega-mini-card:hover {
            background: var(--bg-card-hover);
            color: var(--text-white);
            border: 1px solid var(--border-hover);
        }

        .mini-thumb {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .mini-info strong {
            display: block;
            font-size: 0.82rem;
            color: var(--text-white);
            line-height: 1.3;
        }

        .mini-info {
            font-size: 0.7rem;
            color: var(--text-muted);
            line-height: 1.3;
        }

        .hamburger-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-white);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
        }

        .hamburger-toggle:hover {
            color: var(--neon-cyan);
        }

        @media (max-width: 1024px) {
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .mega-panel {
                min-width: 280px;
                right: -20px;
            }
        }

        @media (max-width: 768px) {
            .hamburger-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-md);
                gap: 2px;
                border-bottom: 2px solid var(--electric-purple);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
            }
            .mega-panel {
                position: static;
                grid-template-columns: 1fr;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                transform: none;
                margin-top: 8px;
                display: none;
                box-shadow: none;
                background: rgba(20, 27, 43, 0.7);
                border: 1px solid var(--border-default);
            }
            .mega-trigger.open-mobile .mega-panel {
                display: grid;
            }
            .mega-trigger>a i {
                transition: transform var(--transition-fast);
            }
            .mega-trigger.open-mobile>a i {
                transform: rotate(180deg);
            }
        }

        @media (max-width: 520px) {
            .logo-brand {
                font-size: 1.3rem;
            }
            .logo-brand i {
                font-size: 1.1rem;
            }
            .site-header .container {
                padding: 0 var(--spacing-sm);
            }
        }

        /* ========== HERO SECTION ========== */
        .page-hero {
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            position: relative;
            background: var(--bg-deep);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-deep), transparent);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-text h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-white);
            line-height: var(--line-height-heading);
            margin-bottom: var(--spacing-md);
            position: relative;
            padding-bottom: var(--spacing-md);
        }

        .hero-text h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-purple));
            border-radius: 2px;
        }

        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-body);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--neon-cyan);
            color: #0A0E17;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            border: 2px solid var(--neon-cyan);
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
            background: #00e0f0;
            border-color: #00e0f0;
            color: #05080E;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            border: 2px solid rgba(185, 0, 255, 0.5);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(185, 0, 255, 0.15);
            border-color: var(--electric-purple);
            box-shadow: var(--shadow-glow-purple);
            transform: translateY(-2px);
        }

        .hero-data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
        }

        .mini-data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-sm);
            padding: var(--spacing-sm) var(--spacing-sm);
            text-align: center;
            transition: all var(--transition-fast);
            position: relative;
            cursor: pointer;
            overflow: hidden;
        }

        .mini-data-card::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -30%;
            width: 60px;
            height: 60px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .mini-data-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .mini-data-card .data-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--neon-cyan);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .mini-data-card .data-label {
            font-size: var(--font-xs);
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.3;
        }

        .mini-data-card .data-trend {
            font-size: 0.68rem;
            font-weight: 600;
            margin-top: 3px;
            display: inline-block;
            padding: 1px 6px;
            border-radius: 10px;
        }

        .trend-up {
            color: #00e676;
            background: rgba(0, 230, 118, 0.1);
        }

        .trend-down {
            color: #ff5252;
            background: rgba(255, 82, 82, 0.1);
        }

        .trend-neutral {
            color: #ffab40;
            background: rgba(255, 171, 64, 0.1);
        }

        .live-badge {
            position: absolute;
            top: 6px;
            right: 8px;
            font-size: 0.6rem;
            font-weight: 700;
            color: #ff1744;
            background: rgba(255, 23, 68, 0.15);
            padding: 2px 7px;
            border-radius: 10px;
            letter-spacing: 0.5px;
            animation: livePulse 1.6s ease-in-out infinite;
        }

        @keyframes livePulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 4px rgba(255, 23, 68, 0.6);
            }
            50% {
                opacity: 0.55;
                box-shadow: 0 0 14px rgba(255, 23, 68, 0.9);
            }
        }

        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-data-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-text h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: var(--spacing-xl) 0 var(--spacing-lg);
            }
            .hero-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .mini-data-card .data-value {
                font-size: 1.4rem;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .hero-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }
            .mini-data-card {
                padding: 10px 8px;
            }
            .mini-data-card .data-value {
                font-size: 1.2rem;
            }
            .hero-text h1 {
                font-size: 1.45rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 8px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== DATA CARDS SECTION ========== */
        .data-cards-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-deep);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
            position: relative;
        }

        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-white);
            margin-bottom: 8px;
            padding-bottom: 14px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 55px;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-purple));
            border-radius: 2px;
        }

        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 8px;
        }

        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
        }

        .data-card-detailed {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .data-card-detailed::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--neon-cyan);
            transition: height var(--transition-smooth);
            border-radius: 0 0 3px 0;
        }

        .data-card-detailed:hover::after {
            height: 100%;
        }

        .data-card-detailed:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .data-card-detailed .dc-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
        }

        .data-card-detailed .dc-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .data-card-detailed .dc-label {
            font-size: var(--font-sm);
            color: var(--text-body);
            margin-top: 4px;
        }

        .data-card-detailed .dc-trend-row {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .dc-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.68rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .dc-tag-new {
            background: rgba(185, 0, 255, 0.2);
            color: var(--electric-purple);
        }

        .dc-tag-hot {
            background: rgba(255, 82, 82, 0.2);
            color: #ff5252;
        }

        .dc-tag-rec {
            background: rgba(0, 240, 255, 0.15);
            color: var(--neon-cyan);
        }

        @media (max-width: 1024px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-card-detailed .dc-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .data-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-card-detailed {
                padding: var(--spacing-sm);
            }
            .data-card-detailed .dc-value {
                font-size: 1.3rem;
            }
        }

        /* ========== NEWS LIST SECTION ========== */
        .news-list-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-deep);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 120px 1fr auto;
            gap: var(--spacing-md);
            align-items: center;
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--border-default);
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
        }

        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 70%;
            background: var(--electric-purple);
            border-radius: 0 3px 3px 0;
            transition: width var(--transition-fast);
        }

        .news-item:hover::before {
            width: 4px;
        }

        .news-item:hover {
            background: rgba(20, 27, 43, 0.5);
            padding-left: 10px;
            border-bottom-color: var(--border-hover);
        }

        .news-item .news-thumb {
            width: 120px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-card);
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .news-item:hover .news-thumb img {
            transform: scale(1.06);
        }

        .news-item .news-info h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            letter-spacing: 0.4px;
            line-height: 1.4;
        }

        .news-item .news-info .news-summary {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xs);
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-badge {
            display: inline-block;
            padding: 3px 9px;
            border-radius: 10px;
            font-size: 0.65rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            background: rgba(185, 0, 255, 0.2);
            color: var(--electric-purple);
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 90px 1fr;
                gap: var(--spacing-sm);
                padding: var(--spacing-sm) 0;
            }
            .news-item .news-meta {
                grid-column: 1 / -1;
                justify-content: flex-start;
                padding-left: 0;
            }
            .news-item .news-thumb {
                width: 90px;
                height: 56px;
            }
            .news-item .news-info h3 {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .news-item {
                grid-template-columns: 70px 1fr;
                gap: 8px;
            }
            .news-item .news-thumb {
                width: 70px;
                height: 44px;
            }
            .news-item .news-info h3 {
                font-size: 0.82rem;
            }
            .news-item .news-info .news-summary {
                font-size: 0.7rem;
                -webkit-line-clamp: 1;
            }
        }

        /* ========== TOPICS SECTION ========== */
        .topics-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-deep);
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }

        .topic-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .topic-card .topic-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--bg-card-hover);
            transition: transform var(--transition-smooth);
        }

        .topic-card:hover .topic-img {
            transform: scale(1.04);
        }

        .topic-card .topic-body {
            padding: var(--spacing-md);
        }

        .topic-card .topic-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
            letter-spacing: 0.4px;
        }

        .topic-card .topic-body .topic-desc {
            font-size: var(--font-xs);
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .topic-tag {
            font-size: 0.65rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--neon-cyan);
            letter-spacing: 0.3px;
        }

        @media (max-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .topic-card .topic-img {
                height: 130px;
            }
        }

        @media (max-width: 520px) {
            .topics-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .topic-card .topic-img {
                height: 180px;
            }
        }

        /* ========== REVIEWS SECTION ========== */
        .reviews-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-deep);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
            position: relative;
        }

        .review-card:hover {
            border-color: var(--electric-purple);
            box-shadow: var(--shadow-card);
        }

        .review-card .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--spacing-sm);
        }

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-cyan), var(--electric-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .review-id {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-white);
        }

        .review-role {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }

        .review-body {
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.7;
            position: relative;
            padding-left: 14px;
            border-left: 2px solid rgba(185, 0, 255, 0.3);
        }

        .review-stars {
            color: #ffab40;
            font-size: 0.75rem;
            margin-top: 8px;
            letter-spacing: 1px;
        }

        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-deep);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--border-hover);
        }

        .faq-item.open {
            border-color: var(--electric-purple);
            box-shadow: var(--shadow-glow-purple);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: var(--spacing-md);
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            user-select: none;
            transition: all var(--transition-fast);
        }

        .faq-question .faq-q-prefix {
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            width: 26px;
            text-align: center;
        }

        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--electric-purple);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            background: #1C263A;
            border-top: 1px solid transparent;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            border-top-color: var(--border-default);
        }

        .faq-answer-inner {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.8;
            padding-left: 50px;
        }

        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.85rem;
                padding: var(--spacing-sm);
            }
            .faq-answer-inner {
                font-size: 0.78rem;
                padding-left: 40px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-deep);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            z-index: 1;
            transition: all var(--transition-smooth);
        }

        .cta-box:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow-cyan);
        }

        .cta-box h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }

        .cta-box p {
            color: var(--text-body);
            margin-bottom: var(--spacing-lg);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box .btn-primary {
            font-size: 1rem;
            padding: 15px 36px;
        }

        @media (max-width: 520px) {
            .cta-box {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 13px 24px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-footer);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            border-top: 2px solid var(--border-default);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            display: inline-block;
            margin-bottom: 8px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.4px;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--neon-cyan);
            border-radius: 1px;
        }

        .footer-col ul li {
            margin-bottom: 7px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
            display: inline-block;
            padding: 2px 0;
        }

        .footer-col ul li a:hover {
            color: var(--neon-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: var(--spacing-xl) auto 0;
            padding: var(--spacing-md) var(--spacing-lg) 0;
            border-top: 1px solid var(--border-default);
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 2;
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--neon-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
                padding: 0 var(--spacing-md);
            }
            .footer-bottom {
                padding: var(--spacing-md) var(--spacing-md) 0;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
                padding: 0 var(--spacing-sm);
            }
            .footer-bottom {
                padding: var(--spacing-sm) var(--spacing-sm) 0;
                font-size: 0.68rem;
            }
        }

        /* ========== MISC UTILITY ========== */
        .divider-short {
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-cyan), var(--electric-purple));
            border-radius: 2px;
            margin: 8px 0 16px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        ::selection {
            background: rgba(0, 240, 255, 0.25);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-default);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--neon-cyan);
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E17;
            --bg-card: #141B2B;
            --bg-card-hover: #1C263A;
            --bg-footer: #05080E;
            --border-color: #2A3344;
            --border-active: #00F0FF;
            --accent-cyan: #00F0FF;
            --accent-purple: #B900FF;
            --accent-cyan-glow: rgba(0, 240, 255, 0.35);
            --accent-purple-glow: rgba(185, 0, 255, 0.3);
            --text-primary: #FFFFFF;
            --text-body: #B0C0D0;
            --text-muted: #6A7890;
            --text-dark: #0A0E17;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-glow-purple: 0 0 18px rgba(185, 0, 255, 0.25);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --container-max: 1280px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input {
            font-family: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            margin: 0 0 0.6em;
            font-family: var(--font-heading);
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        h1 {
            font-size: 2.4rem;
            position: relative;
            padding-bottom: 0.5em;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
            border-radius: 2px;
        }
        h2 {
            font-size: 1.8rem;
            position: relative;
            padding-bottom: 0.45em;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), transparent);
            border-radius: 2px;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.05rem;
            letter-spacing: 0.3px;
            color: var(--text-primary);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid transparent;
            border-image: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan), var(--accent-purple)) 1;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 60px;
        }
        .logo-brand {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 1px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .logo-brand:hover {
            color: var(--accent-cyan);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links li {
            position: relative;
            list-style: none;
        }
        .nav-links li>a {
            display: block;
            padding: 8px 15px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li>a:hover,
        .nav-links li>a:focus {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            outline: none;
        }
        .nav-links li>a.active {
            color: var(--accent-cyan);
            font-weight: 700;
        }
        .nav-links li>a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            box-shadow: 0 0 10px var(--accent-cyan-glow);
        }

        /* Mega Panel */
        .mega-trigger {
            position: relative;
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            min-width: 360px;
            box-shadow: var(--shadow-md);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal);
            z-index: 1001;
        }
        .mega-trigger:hover .mega-panel,
        .mega-trigger:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-mini-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: rgba(20, 27, 43, 0.7);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            color: var(--text-body);
            text-decoration: none;
        }
        .mega-mini-card:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            color: var(--text-primary);
            box-shadow: var(--shadow-glow-cyan);
        }
        .mini-thumb {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }
        .mini-info strong {
            display: block;
            font-size: 0.88rem;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .mini-info {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Hamburger */
        .hamburger-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
        }
        .hamburger-toggle:hover {
            color: var(--accent-cyan);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: 60px 0 50px;
            background-color: var(--bg-primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 240, 255, 0.06) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 30%, rgba(185, 0, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text h1 {
            font-size: 2.5rem;
            margin-bottom: 0.4em;
        }
        .hero-text h1::after {
            width: 70px;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-body);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent-cyan);
            color: var(--text-dark);
            box-shadow: 0 0 0 transparent;
        }
        .btn-primary:hover {
            box-shadow: 0 0 24px var(--accent-cyan-glow), 0 0 48px rgba(0, 240, 255, 0.18);
            transform: translateY(-2px);
            color: var(--text-dark);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--accent-purple);
            color: var(--accent-purple);
        }
        .btn-outline:hover {
            background: var(--accent-purple);
            color: #fff;
            box-shadow: 0 0 20px var(--accent-purple-glow);
            transform: translateY(-2px);
        }
        .hero-data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .hero-data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            text-align: center;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .hero-data-card:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
        }
        .hero-data-card .data-value {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .hero-data-card .data-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .hero-data-card .data-trend {
            font-size: 0.72rem;
            margin-top: 3px;
            font-weight: 600;
        }
        .trend-up {
            color: #00E676;
        }
        .trend-down {
            color: #FF5252;
        }
        .trend-stable {
            color: var(--text-muted);
        }
        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FF3D3D;
            animation: pulse-live 1.2s ease-in-out infinite;
            margin-right: 4px;
            vertical-align: middle;
        }
        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 4px #FF3D3D, 0 0 8px rgba(255, 61, 61, 0.6);
            }
            50% {
                box-shadow: 0 0 12px #FF3D3D, 0 0 22px rgba(255, 61, 61, 0.9);
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 55px 0;
        }
        .section-dark {
            background: var(--bg-primary);
        }
        .section-darker {
            background: #080C14;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 600px;
        }

        /* ========== DATA CARDS GRID ========== */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            position: relative;
            transition: all var(--transition-fast);
            overflow: hidden;
        }
        .data-card:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-3px);
        }
        .data-card .card-icon {
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        .data-card .card-value {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .data-card .card-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .data-card .card-trend {
            font-size: 0.72rem;
            margin-top: 4px;
            font-weight: 600;
        }
        .card-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--accent-purple);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 3px;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        /* ========== RANKING LIST ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .ranking-item:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-glow-cyan);
        }
        .ranking-item .rank-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
            background: rgba(42, 51, 68, 0.7);
            color: var(--text-muted);
        }
        .ranking-item.rank-top .rank-num {
            background: var(--accent-purple);
            color: #fff;
            box-shadow: 0 0 12px var(--accent-purple-glow);
        }
        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-item .rank-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.93rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-item .rank-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .ranking-item .rank-heat {
            font-weight: 700;
            font-size: 1rem;
            color: var(--accent-cyan);
            white-space: nowrap;
        }
        .ranking-item .rank-arrow {
            font-size: 1rem;
            margin-left: 2px;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            border-left: 4px solid transparent;
            text-decoration: none;
            color: inherit;
            align-items: flex-start;
        }
        .news-item:hover {
            border-left-color: var(--accent-purple);
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-glow-cyan);
        }
        .news-thumb {
            width: 100px;
            height: 68px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-color);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-content .news-summary {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-content .news-meta {
            font-size: 0.73rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .news-tag {
            display: inline-block;
            background: rgba(185, 0, 255, 0.2);
            color: var(--accent-purple);
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 3px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .news-tag.hot {
            background: rgba(255, 61, 61, 0.2);
            color: #FF5252;
        }

        /* ========== TOPIC CARDS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-4px);
        }
        .topic-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--border-color);
        }
        .topic-card-body {
            padding: 14px 16px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card-body h3 {
            font-size: 1rem;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card-body .topic-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            flex: 1;
        }
        .topic-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .topic-tag {
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 3px;
            font-weight: 600;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            letter-spacing: 0.3px;
        }

        /* ========== REVIEWS ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--accent-purple);
            box-shadow: var(--shadow-glow-purple);
            transform: translateY(-2px);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .review-user {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.9rem;
        }
        .review-role {
            font-size: 0.73rem;
            color: var(--text-muted);
        }
        .review-stars {
            color: #FFB300;
            font-size: 0.8rem;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.open {
            border-color: var(--accent-purple);
            box-shadow: 0 0 14px rgba(185, 0, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 16px 18px;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-q-prefix {
            color: var(--accent-cyan);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .faq-arrow {
            margin-left: auto;
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            background: var(--bg-card-hover);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 4px 18px 18px 42px;
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.75;
        }

        /* ========== ECO TAGS ========== */
        .eco-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .eco-tag {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 10px 20px;
            font-size: 0.85rem;
            color: var(--text-body);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            cursor: default;
        }
        .eco-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--text-primary);
            box-shadow: var(--shadow-glow-cyan);
            background: var(--bg-card-hover);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.06) 0%, rgba(185, 0, 255, 0.05) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 50px 20px;
        }
        .cta-section h2 {
            margin-bottom: 10px;
        }
        .cta-section h2::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 22px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-footer);
            padding: 44px 20px 28px;
            border-top: 1px solid #1a1f2e;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 1px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 28px auto 0;
            padding-top: 20px;
            border-top: 1px solid #1a1f2e;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-data-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 54px;
            }
            .hamburger-toggle {
                display: block;
            }
            .nav-links {
                position: absolute;
                top: 54px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                flex-direction: column;
                padding: 12px 20px;
                gap: 2px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                display: none;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li>a {
                padding: 10px 12px;
                width: 100%;
            }
            .mega-panel {
                position: static;
                grid-template-columns: 1fr;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                transform: none;
                margin-top: 4px;
                box-shadow: none;
                border: 1px solid var(--border-color);
                display: none;
            }
            .mega-trigger.open-mega .mega-panel {
                display: grid;
            }
            .hero-section {
                padding: 36px 0 30px;
            }
            .hero-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .hero-data-card {
                padding: 10px 12px;
            }
            .hero-data-card .data-value {
                font-size: 1.3rem;
            }
            .data-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 130px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.88rem;
            }
            .section {
                padding: 36px 0;
            }
        }

        @media (max-width: 520px) {
            .hero-data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }
            .hero-data-card {
                padding: 8px 10px;
            }
            .hero-data-card .data-value {
                font-size: 1.1rem;
            }
            .hero-data-card .data-label {
                font-size: 0.7rem;
            }
            .data-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }
            .data-card {
                padding: 12px 10px;
            }
            .data-card .card-value {
                font-size: 1.2rem;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .ranking-item {
                padding: 10px 12px;
                gap: 8px;
            }
            .ranking-item .rank-num {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .ranking-item .rank-title {
                font-size: 0.82rem;
            }
            .ranking-item .rank-heat {
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
        }