/* roulang page: index */
:root {
            --bg-primary: #0b0f1a;
            --bg-secondary: #111827;
            --bg-card: #151e2e;
            --bg-elevated: #1a2438;
            --accent: #f0b90b;
            --accent-hover: #f6c94a;
            --accent-rgb: 240, 185, 11;
            --brand-red: #e94f37;
            --success: #22c55e;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border: #1e2a3d;
            --border-hover: #334155;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        body.no-scroll {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            display: block;
            border: 0;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
                scroll-behavior: auto !important;
            }
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-sm {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            margin: -1px;
            padding: 0;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 15, 26, 0.96);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #ffb300);
            color: #0b0f1a;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.35);
            flex-shrink: 0;
        }

        .brand-text {
            font-weight: 700;
            font-size: 19px;
            letter-spacing: 0.3px;
            white-space: nowrap;
            background: linear-gradient(90deg, #f1f5f9, #f8fafc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .brand-text strong {
            color: var(--accent);
            -webkit-text-fill-color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0 auto;
        }

        .main-nav .nav-link {
            position: relative;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .main-nav .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav .nav-link.active {
            color: var(--accent);
            background: rgba(240, 185, 11, 0.12);
        }

        .main-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: var(--radius-full);
            background: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            width: 210px;
            height: 42px;
            border-radius: var(--radius-full);
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            color: var(--text-primary);
            padding: 0 18px 0 38px;
            font-size: 14px;
            transition: all var(--transition-fast);
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--accent);
            width: 240px;
            background: var(--bg-elevated);
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.15);
        }

        .search-box i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .search-box .kbd {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 11px;
            font-weight: 600;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2px 6px;
            line-height: 1.3;
            pointer-events: none;
            transition: opacity 0.2s ease;
        }

        .search-box input:focus ~ .kbd {
            opacity: 0;
        }

        .header-actions .btn {
            white-space: nowrap;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-card);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all 0.2s ease;
        }

        .menu-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            line-height: 1.4;
            white-space: nowrap;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #ffb300);
            color: #0b0f1a;
            box-shadow: 0 4px 18px rgba(240, 185, 11, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 185, 11, 0.35);
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(240, 185, 11, 0.25);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.02);
            color: var(--text-primary);
            border-color: var(--border-hover);
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(240, 185, 11, 0.06);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 34px;
            font-size: 16px;
            border-radius: var(--radius-sm);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        .btn-block {
            width: 100%;
        }

        .btn i {
            font-size: 15px;
        }

        a.btn {
            text-decoration: none;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            background: rgba(240, 185, 11, 0.12);
            color: var(--accent);
            border: 1px solid rgba(240, 185, 11, 0.25);
            letter-spacing: 0.4px;
        }

        .badge-green {
            background: rgba(34, 197, 94, 0.1);
            color: var(--success);
            border-color: rgba(34, 197, 94, 0.25);
        }

        .badge-red {
            background: rgba(233, 79, 55, 0.1);
            color: #ff6b54;
            border-color: rgba(233, 79, 55, 0.25);
        }

        .badge-outline {
            background: transparent;
            border-color: var(--border-hover);
            color: var(--text-secondary);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: all 0.2s ease;
        }

        .tag:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        .tag i {
            margin-right: 4px;
            font-size: 11px;
        }

        /* ===== Section ===== */
        .section {
            padding: 90px 0;
        }

        .section-subtle {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
        }

        .section-divider {
            border-top: 1px solid var(--border);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.3px;
            line-height: 1.25;
            background: linear-gradient(90deg, #f8fafc, #94a3b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-head p {
            color: var(--text-secondary);
            max-width: 560px;
            font-size: 15px;
            margin-top: 8px;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all 0.2s ease;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-card);
        }

        .section-link:hover {
            color: var(--accent);
            border-color: var(--accent);
            transform: translateX(4px);
        }

        .section-link i {
            font-size: 12px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
            isolation: isolate;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            z-index: -2;
            animation: heroZoom 20s ease-in-out infinite alternate;
        }

        @keyframes heroZoom {
            from {
                transform: scale(1);
            }
            to {
                transform: scale(1.08);
            }
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(90deg, rgba(11, 15, 26, 0.97) 0%, rgba(11, 15, 26, 0.82) 40%, rgba(11, 15, 26, 0.45) 100%),
                radial-gradient(ellipse at bottom right, rgba(240, 185, 11, 0.12) 0%, transparent 60%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 90px 0;
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            background: rgba(240, 185, 11, 0.1);
            border: 1px solid rgba(240, 185, 11, 0.3);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

        .hero-badge .pulse-dot {
            width: 7px;
            height: 7px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
            }
        }

        .hero h1 {
            font-size: 54px;
            font-weight: 850;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #f8fafc;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .hero h1 .gradient-text {
            background: linear-gradient(96deg, var(--accent), #ffb300, #f6c94a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 580px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 52px;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 13px;
        }

        .hero-meta-item i {
            color: var(--accent);
            font-size: 15px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 48px;
            max-width: 620px;
        }

        .hero-stat {
            background: rgba(21, 30, 46, 0.75);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .hero-stat:hover {
            border-color: rgba(240, 185, 11, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: left;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--brand-red));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .stat-card:hover::before {
            opacity: 1;
        }

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

        .stat-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(240, 185, 11, 0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }

        .stat-card .stat-num {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.15;
            color: #f8fafc;
        }

        .stat-card .stat-num span {
            font-size: 18px;
            color: var(--text-muted);
            font-weight: 600;
            margin-left: 2px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .stat-card .stat-foot {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .stat-card .stat-foot i {
            color: var(--success);
        }

        /* ===== Channel Cards ===== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .channel-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--border);
            transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            isolation: isolate;
        }

        .channel-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 26, 0.1) 0%, rgba(11, 15, 26, 0.4) 40%, rgba(11, 15, 26, 0.94) 100%);
            z-index: 1;
            transition: all 0.4s ease;
        }

        .channel-card:hover::before {
            background: linear-gradient(180deg, rgba(11, 15, 26, 0.05) 0%, rgba(11, 15, 26, 0.3) 50%, rgba(11, 15, 26, 0.95) 100%);
        }

        .channel-card:hover {
            border-color: var(--accent);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .channel-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -1;
            transition: transform 0.6s ease;
        }

        .channel-card:hover img {
            transform: scale(1.05);
        }

        .channel-card-body {
            position: relative;
            z-index: 2;
            padding: 34px 38px;
            width: 100%;
        }

        .channel-card .channel-name {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .channel-card .channel-desc {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 400px;
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .channel-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .channel-card .btn {
            padding: 10px 22px;
        }

        /* ===== Posts Grid ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            height: 100%;
        }

        .post-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .post-card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            background: var(--bg-elevated);
            overflow: hidden;
        }

        .post-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .post-card:hover .post-card-thumb img {
            transform: scale(1.06);
        }

        .post-card-thumb .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0.86);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(240, 185, 11, 0.92);
            color: #0b0f1a;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            opacity: 0;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
        }

        .post-card:hover .play-btn {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }

        .post-card-thumb .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            backdrop-filter: blur(6px);
            background: rgba(11, 15, 26, 0.7);
            color: var(--accent);
            border-color: transparent;
        }

        .post-card-body {
            padding: 22px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .post-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .post-card-meta .dot {
            width: 3px;
            height: 3px;
            background: var(--text-muted);
            border-radius: 50%;
        }

        .post-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card h3 a:hover {
            color: var(--accent);
        }

        .post-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .post-card-foot {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .post-card-foot a {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .post-card-foot a i {
            transition: transform 0.2s ease;
        }

        .post-card-foot a:hover i {
            transform: translateX(3px);
        }

        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 15px;
        }

        /* ===== Featured Wall ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 20px;
            min-height: 520px;
        }

        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            min-height: 240px;
            transition: all 0.35s ease;
            isolation: isolate;
        }

        .featured-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .featured-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
            transition: transform 0.6s ease;
        }

        .featured-card:hover img {
            transform: scale(1.05);
        }

        .featured-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 26, 0.05) 0%, rgba(11, 15, 26, 0.55) 60%, rgba(11, 15, 26, 0.92) 100%);
            z-index: -1;
        }

        .featured-card-main {
            grid-row: span 2;
            display: flex;
            align-items: flex-end;
            padding: 32px;
            min-height: 100%;
        }

        .featured-card-small {
            padding: 24px;
            display: flex;
            align-items: flex-end;
        }

        .featured-content {
            position: relative;
            z-index: 2;
        }

        .featured-content .badge {
            margin-bottom: 14px;
        }

        .featured-content h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .featured-card-main .featured-content h3 {
            font-size: 28px;
            line-height: 1.35;
        }

        .featured-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 420px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-content .specs {
            display: flex;
            gap: 14px;
            margin-top: 14px;
            flex-wrap: wrap;
        }

        .spec-item {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .spec-item i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== Ranking ===== */
        .rank-section {
            background: var(--bg-secondary);
        }

        .rank-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: start;
        }

        .rank-block {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
        }

        .rank-block:hover {
            border-color: rgba(240, 185, 11, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .rank-block-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .rank-block-head h3 {
            font-size: 20px;
            font-weight: 700;
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 12px 14px;
            background: var(--bg-secondary);
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .rank-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-elevated);
            transform: translateX(4px);
        }

        .rank-num {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .rank-item:nth-child(1) .rank-num {
            background: rgba(240, 185, 11, 0.15);
            color: var(--accent);
        }

        .rank-item:nth-child(2) .rank-num {
            background: rgba(148, 163, 184, 0.12);
            color: #cbd5e1;
        }

        .rank-item:nth-child(3) .rank-num {
            background: rgba(233, 79, 55, 0.12);
            color: #ff6b54;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info .rank-title {
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info .rank-sub {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .rank-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
            white-space: nowrap;
        }

        .rank-tag {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 300px;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(135deg, rgba(240, 185, 11, 0.1), rgba(233, 79, 55, 0.06)),
                var(--bg-card);
            border: 1px solid var(--border);
            padding: 32px;
            text-align: center;
        }

        .rank-tag h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .rank-tag p {
            color: var(--text-secondary);
            font-size: 14px;
            max-width: 320px;
            margin: 0 auto 18px;
        }

        /* ===== Process / Eco ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 6%;
            right: 6%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
            z-index: 0;
        }

        .process-card {
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .process-card:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .process-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            background: rgba(240, 185, 11, 0.1);
            color: var(--accent);
            border: 1px solid rgba(240, 185, 11, 0.2);
        }

        .process-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .process-step {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #0b0f1a;
            font-size: 11px;
            font-weight: 800;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            list-style: none;
            user-select: none;
            transition: color 0.2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            font-size: 14px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary {
            color: var(--accent);
            padding-bottom: 14px;
        }

        .faq-item[open] summary i {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-card {
            position: relative;
            background: linear-gradient(135deg, rgba(240, 185, 11, 0.14), rgba(233, 79, 55, 0.08)), var(--bg-card);
            border: 1px solid rgba(240, 185, 11, 0.25);
            border-radius: 28px;
            padding: 52px 48px;
            text-align: center;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(240, 185, 11, 0.06);
            top: -100px;
            right: -100px;
            z-index: 0;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(233, 79, 55, 0.05);
            bottom: -60px;
            left: -40px;
            z-index: 0;
        }

        .cta-card .container-sm {
            position: relative;
            z-index: 1;
        }

        .cta-card h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-card p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-subscribe {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .footer-subscribe p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 0;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: all 0.2s ease;
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
        }

        .subscribe-form button {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #0b0f1a;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .subscribe-form button:hover {
            background: var(--accent-hover);
            transform: scale(1.04);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.2s ease;
        }

        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 16px;
            }

            .search-box input {
                width: 160px;
            }

            .search-box input:focus {
                width: 190px;
            }

            .main-nav .nav-link {
                padding: 10px 12px;
                font-size: 13px;
            }

            .hero h1 {
                font-size: 44px;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-grid {
                grid-template-columns: 1.1fr 1fr;
            }

            .featured-card-main {
                grid-row: span 1;
            }

            .rank-layout {
                grid-template-columns: 1fr;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .process-grid::before {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header .header-inner {
                height: 68px;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 68px;
                right: 0;
                bottom: 0;
                width: min(320px, 85vw);
                background: linear-gradient(180deg, var(--bg-elevated), var(--bg-secondary));
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                padding: 32px 24px;
                gap: 6px;
                transform: translateX(100%);
                transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
                box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
                border-left: 1px solid var(--border);
                z-index: 999;
                margin: 0;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .main-nav .nav-link {
                padding: 15px 18px;
                font-size: 16px;
                border-radius: var(--radius-sm);
                color: var(--text-secondary);
            }

            .main-nav .nav-link.active {
                color: var(--accent);
                background: rgba(240, 185, 11, 0.1);
            }

            .main-nav .nav-link.active::after {
                display: none;
            }

            .main-nav .nav-close {
                display: flex;
                align-self: flex-end;
                margin-bottom: 16px;
                width: 36px;
                height: 36px;
                border-radius: 10px;
                border: 1px solid var(--border);
                background: transparent;
                color: var(--text-secondary);
                align-items: center;
                justify-content: center;
                font-size: 16px;
            }

            .main-nav .nav-close:hover {
                color: var(--accent);
                border-color: var(--accent);
            }

            .header-actions .search-box {
                display: none;
            }

            .header-actions .btn {
                padding: 10px 16px;
                font-size: 13px;
            }

            body.nav-open {
                overflow: hidden;
            }

            .section {
                padding: 64px 0;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 70px 0 60px;
            }

            .hero h1 {
                font-size: 34px;
                line-height: 1.25;
            }

            .hero-desc {
                font-size: 15px;
                line-height: 1.75;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                margin-top: 34px;
            }

            .hero-stat .num {
                font-size: 24px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .channel-grid {
                grid-template-columns: 1fr;
            }

            .channel-card {
                min-height: 320px;
            }

            .channel-card-body {
                padding: 26px;
            }

            .posts-grid {
                grid-template-columns: 1fr;
            }

            .featured-grid {
                grid-template-columns: 1fr;
            }

            .featured-card {
                min-height: 220px;
            }

            .featured-card-main {
                min-height: 260px;
                padding: 26px;
            }

            .featured-content h3,
            .featured-card-main .featured-content h3 {
                font-size: 22px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .section-link {
                align-self: flex-start;
            }

            .rank-layout {
                gap: 24px;
            }

            .rank-block {
                padding: 20px;
            }

            .rank-tag {
                min-height: 220px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-card {
                padding: 36px 24px;
            }

            .cta-card h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .header-actions .btn {
                display: none;
            }

            .hero-badge {
                font-size: 12px;
                padding: 6px 12px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-meta-item {
                font-size: 12px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .stat-card {
                padding: 22px 20px;
            }

            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
            }

            .footer-subscribe .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form button {
                width: 100%;
                height: 42px;
            }
        }

/* roulang page: article */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #dbeafe;
            --accent: #06b6d4;
            --accent-dark: #0e7490;
            --dark-bg: #081634;
            --dark-bg-2: #0f1f44;
            --light-bg: #f4f7fb;
            --white: #ffffff;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 20px;
            --radius-sm: 12px;
            --shadow: 0 4px 24px rgba(2, 12, 27, 0.06);
            --shadow-lg: 0 16px 48px rgba(2, 12, 27, 0.12);
            --transition: all 0.25s ease;
            --max-w: 1280px;
            --header-h: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--light-bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.3);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        .btn-accent {
            background: var(--accent);
            color: #062733;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .btn-white:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-block {
            width: 100%;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 16px;
            max-width: 620px;
            margin: 0 auto;
        }

        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }

        .link-more:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        .section-head-flex {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-head-flex .section-header {
            text-align: left;
            margin-bottom: 0;
        }

        /* ---------- Header ---------- */

        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(8, 22, 52, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            padding: 10px 0;
            height: var(--header-h);
            display: flex;
            align-items: center;
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
        }

        .brand-text {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            white-space: nowrap;
        }

        .brand-text strong {
            color: var(--accent);
            font-weight: 800;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0 auto;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.72);
            padding: 8px 16px;
            border-radius: 9px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 50px;
            padding: 0 16px;
            height: 38px;
            min-width: 220px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
        }

        .search-box i {
            color: rgba(255, 255, 255, 0.5);
            margin-right: 8px;
            font-size: 13px;
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 14px;
            width: 100%;
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .nav-close {
            display: none;
            position: absolute;
            top: 18px;
            right: 18px;
            width: 36px;
            height: 36px;
            background: rgba(15, 31, 68, 0.08);
            border-radius: 10px;
            border: none;
            font-size: 16px;
            cursor: pointer;
            color: var(--text);
            transition: var(--transition);
            align-items: center;
            justify-content: center;
        }

        .nav-close:hover {
            background: rgba(15, 31, 68, 0.15);
        }

        /* ---------- Article Hero ---------- */

        .article-hero {
            background: var(--dark-bg);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 22, 52, 0.85) 0%, rgba(8, 22, 52, 0.55) 60%, rgba(8, 22, 52, 0.4) 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.85);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 320px;
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .article-hero-meta .badge {
            background: rgba(37, 99, 235, 0.35);
            border: 1px solid rgba(37, 99, 235, 0.4);
            color: #dbeafe;
            font-size: 13px;
            padding: 5px 14px;
        }

        .article-hero-meta .date-line {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }

        .article-hero-meta .date-line i {
            color: rgba(255, 255, 255, 0.4);
        }

        .article-hero h1 {
            font-size: clamp(26px, 3.6vw, 44px);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            max-width: 860px;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .article-hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ---------- Article Main ---------- */

        .article-section {
            padding: 56px 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 36px;
        }

        .article-main {
            min-width: 0;
        }

        .article-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            margin-bottom: 28px;
        }

        .article-cover {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 28px;
            max-height: 420px;
        }

        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-body {
            font-size: 16px;
            color: #2d3a4c;
            line-height: 1.9;
        }

        .article-body p {
            margin: 0 0 1.4em;
        }

        .article-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark-bg);
            margin: 1.6em 0 0.7em;
            line-height: 1.4;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 1.4em 0 0.6em;
            color: var(--dark-bg);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4em 1.5em;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.5em;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.5em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 14px 20px;
            margin: 0 0 1.4em;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-sm);
            margin: 20px 0;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
        }

        .article-body table {
            border-collapse: collapse;
            width: 100%;
            margin: 0 0 1.4em;
            overflow: hidden;
            border-radius: var(--radius-sm);
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--primary-light);
            font-weight: 600;
        }

        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-tags span {
            color: var(--text-weak);
            font-size: 14px;
            font-weight: 500;
        }

        .tag {
            display: inline-block;
            background: var(--light-bg);
            border: 1px solid var(--border);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--text);
            transition: var(--transition);
        }

        .tag:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .not-found {
            text-align: center;
            padding: 60px 24px;
        }

        .not-found .icon-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
        }

        .not-found h2 {
            font-size: 28px;
            margin-bottom: 8px;
            color: var(--dark-bg);
        }

        .not-found p {
            color: var(--text-weak);
            margin-bottom: 28px;
        }

        /* ---------- Sidebar ---------- */

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--white);
            border-radius: 16px;
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark-bg);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            position: relative;
        }

        .sidebar-card h3::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 36px;
            height: 2px;
            background: var(--primary);
        }

        .category-list li {
            margin-bottom: 6px;
        }

        .category-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 14px;
            border-radius: 10px;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            background: transparent;
        }

        .category-list a i {
            width: 18px;
            color: var(--text-weak);
            font-size: 14px;
            text-align: center;
        }

        .category-list a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .category-list a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
        }

        .category-list a.active i {
            color: rgba(255, 255, 255, 0.85);
        }

        .latest-list li {
            margin-bottom: 4px;
        }

        .latest-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 8px;
            border-radius: 10px;
            transition: var(--transition);
        }

        .latest-list a:hover {
            background: var(--light-bg);
        }

        .latest-index {
            width: 28px;
            height: 28px;
            background: var(--light-bg);
            border-radius: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .latest-list a:nth-child(1) .latest-index {
            background: var(--primary);
            color: #fff;
        }

        .latest-list a:nth-child(2) .latest-index {
            background: var(--accent);
            color: #fff;
        }

        .latest-list a:nth-child(3) .latest-index {
            background: #f59e0b;
            color: #fff;
        }

        .latest-title {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .latest-date {
            font-size: 12px;
            color: var(--text-weak);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .sidebar-cta {
            background: var(--dark-bg);
            border-color: transparent;
            color: #fff;
            text-align: center;
            background-image: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-2));
        }

        .sidebar-cta h3 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.15);
        }

        .sidebar-cta h3::after {
            background: var(--accent);
        }

        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        /* ---------- Related Section ---------- */

        .related-section {
            padding: 56px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.25);
        }

        .related-card .card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .related-card .related-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-body .badge {
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .related-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--dark-bg);
            min-height: 46px;
        }

        .related-body p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-date {
            font-size: 12px;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .related-date i {
            font-size: 11px;
        }

        /* ---------- CTA ---------- */

        .cta-section {
            position: relative;
            padding: 72px 0;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(8, 22, 52, 0.92), rgba(15, 31, 68, 0.82));
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-content {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }

        .cta-content h2 {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 30px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto 18px;
            background: rgba(255, 255, 255, 0.1);
            padding: 6px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .cta-form input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            padding: 0 18px;
            color: #fff;
            font-size: 14px;
            height: 42px;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-form .btn {
            border-radius: 50px;
            height: 42px;
            padding: 0 26px;
            white-space: nowrap;
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }

        /* ---------- FAQ ---------- */

        .faq-section {
            padding: 72px 0;
            background: var(--light-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px 26px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(37, 99, 235, 0.25);
            box-shadow: var(--shadow);
        }

        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-bg);
            margin-bottom: 10px;
            display: flex;
            gap: 10px;
            align-items: flex-start;
            cursor: pointer;
        }

        .faq-item h3::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            padding-left: 26px;
        }

        /* ---------- Footer ---------- */

        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 4px;
            align-items: center;
        }

        .subscribe-form input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 13px;
            padding: 8px 12px;
            min-width: 0;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }

        .subscribe-form button {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .subscribe-form button:hover {
            background: var(--accent);
            transform: scale(1.05);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ---------- Responsive ---------- */

        @media (max-width: 1100px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .header-actions .btn {
                display: none;
            }

            .search-box {
                min-width: 160px;
            }
        }

        @media (max-width: 900px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                order: 2;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -300px;
                width: 280px;
                height: 100%;
                background: var(--dark-bg-2);
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
                padding: 70px 20px 24px;
                box-shadow: -6px 0 40px rgba(0, 0, 0, 0.3);
                transition: right 0.35s ease;
                z-index: 1000;
                gap: 4px;
                margin: 0;
            }

            .main-nav.open {
                right: 0;
            }

            .main-nav .nav-link {
                color: rgba(255, 255, 255, 0.85);
                font-size: 15px;
                padding: 11px 14px;
                width: 100%;
                border-radius: 10px;
            }

            .main-nav .nav-link:hover {
                background: rgba(255, 255, 255, 0.1);
            }

            .main-nav .nav-link.active {
                background: var(--primary);
                color: #fff;
            }

            .nav-close {
                display: inline-flex;
            }

            .nav-toggle {
                display: inline-flex;
            }
        }

        @media (max-width: 600px) {
            .container {
                padding: 0 16px;
            }

            .site-header {
                padding: 8px 0;
                height: auto;
            }

            .brand-text {
                font-size: 15px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 9px;
            }

            .search-box {
                display: none;
            }

            .header-wrap {
                gap: 8px;
            }

            .article-hero {
                padding: 40px 0 48px;
            }

            .article-hero h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .article-hero-desc {
                font-size: 14px;
            }

            .breadcrumb {
                font-size: 13px;
                gap: 8px;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-card {
                padding: 20px;
                border-radius: 16px;
            }

            .article-cover {
                margin-bottom: 20px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 19px;
            }

            .article-body h3 {
                font-size: 17px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .related-card .card-img {
                height: 200px;
            }

            .faq-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .faq-item {
                padding: 20px;
            }

            .cta-section {
                padding: 52px 0;
            }

            .cta-form {
                flex-direction: column;
                background: transparent;
                border: none;
                padding: 0;
                gap: 12px;
            }

            .cta-form input {
                background: rgba(255, 255, 255, 0.1);
                border: 1px solid rgba(255, 255, 255, 0.2);
                border-radius: 50px;
                padding: 0 20px;
                width: 100%;
            }

            .cta-form .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                margin-bottom: 32px;
            }

            .footer-brand p {
                max-width: 100%;
            }

            .section-head-flex {
                flex-direction: column;
                align-items: flex-start;
            }

            .latest-date {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #10b981;
            --primary-dark: #059669;
            --primary-light: #34d399;
            --primary-glow: rgba(16, 185, 129, 0.35);
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-body: #0b1120;
            --bg-surface: #111a2e;
            --bg-surface-2: #1a2439;
            --border: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.14);
            --text-main: #eef2f7;
            --text-muted: #94a3b8;
            --text-weak: #64748b;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.45);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.3);
            --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.22);
            --space-section: 84px;
            --space-section-sm: 56px;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        button,
        input {
            font-family: inherit;
            font-size: 14px;
            border: none;
            background: none;
            color: inherit;
        }

        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 38px;
            flex-wrap: wrap;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.24);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 420px;
            font-size: 15px;
        }

        .more-link {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border: 1px solid var(--border);
            border-radius: 999px;
            transition: var(--transition);
        }

        .more-link:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(16, 185, 129, 0.08);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #06251c;
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(16, 185, 129, 0.4);
            color: #06251c;
        }

        .btn-outline {
            border-color: var(--border-strong);
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(8px);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(16, 185, 129, 0.1);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 17, 32, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 14px;
            padding-bottom: 14px;
            flex-wrap: nowrap;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #06251c;
            font-size: 21px;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }

        .brand-text strong {
            font-weight: 800;
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 8px;
        }

        .nav-link {
            padding: 9px 16px;
            border-radius: 10px;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-link i {
            color: inherit;
            font-size: 13px;
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(16, 185, 129, 0.1);
            border-color: rgba(16, 185, 129, 0.2);
        }

        .nav-close {
            display: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 16px;
            gap: 8px;
            width: 230px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
            background: rgba(255, 255, 255, 0.08);
        }

        .search-box i {
            font-size: 13px;
            color: var(--text-weak);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            color: var(--text-main);
            font-size: 13px;
        }

        .search-box input::placeholder {
            color: var(--text-weak);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            padding: 130px 0 100px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(130deg, rgba(7, 11, 20, 0.96) 30%, rgba(11, 17, 32, 0.72) 65%, rgba(16, 185, 129, 0.18) 100%);
            pointer-events: none;
        }

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

        .hero-content {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.14);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin-bottom: 22px;
        }

        .hero-content h1 {
            font-size: clamp(36px, 5.5vw, 60px);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            color: var(--primary);
        }

        .hero-content p {
            color: var(--text-muted);
            font-size: 17px;
            line-height: 1.75;
            max-width: 540px;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 28px;
            max-width: 560px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .stat-item strong {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
        }

        .stat-item span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== League Cards ========== */
        .leagues-section {
            background: var(--bg-body);
        }

        .league-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .league-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-surface);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            min-height: 320px;
            display: flex;
            align-items: flex-end;
        }

        .league-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(16, 185, 129, 0.4);
        }

        .league-card .league-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .league-card:hover .league-bg {
            transform: scale(1.06);
        }

        .league-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0) 20%, rgba(11, 17, 32, 0.82) 75%, rgba(11, 17, 32, 0.96) 100%);
        }

        .league-content {
            position: relative;
            z-index: 2;
            padding: 26px;
            width: 100%;
        }

        .league-name {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .league-name i {
            color: var(--accent);
            font-size: 18px;
        }

        .league-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.6;
        }

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

        .league-tags span {
            font-size: 11px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            padding: 4px 10px;
            border-radius: 999px;
        }

        /* ========== Featured ========== */
        .featured-section {
            background: linear-gradient(180deg, var(--bg-body) 0%, #0d1428 100%);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 28px;
        }

        .featured-main {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .featured-main:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(16, 185, 129, 0.35);
            transform: translateY(-3px);
        }

        .featured-main-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .featured-main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .featured-main:hover .featured-main-img img {
            transform: scale(1.04);
        }

        .featured-main-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 17, 32, 0.72) 100%);
        }

        .featured-main-body {
            padding: 26px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-main-body h3 {
            font-size: 22px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .featured-main-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .featured-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .featured-meta .badge-date {
            background: rgba(16, 185, 129, 0.12);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 999px;
            font-weight: 600;
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-item {
            display: flex;
            gap: 16px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px;
            transition: var(--transition);
            align-items: center;
        }

        .featured-item:hover {
            border-color: rgba(16, 185, 129, 0.35);
            transform: translateX(4px);
            background: var(--bg-surface-2);
        }

        .featured-item-img {
            width: 96px;
            height: 78px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .featured-item-body {
            flex: 1;
        }

        .featured-item-body h4 {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-item-body span {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* ========== Stats Band ========== */
        .stats-band {
            position: relative;
            padding: 88px 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 17, 32, 0.95), rgba(11, 17, 32, 0.72), rgba(11, 17, 32, 0.95));
        }

        .stats-band .container {
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .stats-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 34px 20px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .stats-item:hover {
            background: rgba(16, 185, 129, 0.08);
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .stats-item i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .stats-item strong {
            display: block;
            font-size: 38px;
            font-weight: 800;
            color: var(--primary-light);
            margin-bottom: 6px;
        }

        .stats-item span {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ========== Matches ========== */
        .matches-section {
            background: var(--bg-body);
        }

        .matches-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .match-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
            flex-wrap: wrap;
        }

        .match-card:hover {
            background: var(--bg-surface-2);
            border-color: rgba(16, 185, 129, 0.35);
            transform: translateY(-2px);
        }

        .match-league {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            min-width: 130px;
        }

        .league-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            background: var(--primary);
        }

        .league-dot.epl {
            background: #7c3aed;
        }

        .league-dot.laliga {
            background: #e11d48;
        }

        .league-dot.seriea {
            background: #2563eb;
        }

        .league-dot.bundes {
            background: #ea580c;
        }

        .league-dot.uefa {
            background: var(--accent);
        }

        .match-teams {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .match-team {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 120px;
        }

        .match-team:last-child {
            flex-direction: row-reverse;
            text-align: right;
        }

        .team-badge {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border);
            display: grid;
            place-items: center;
            font-size: 11px;
            font-weight: 800;
            color: var(--primary-light);
        }

        .team-name {
            font-size: 15px;
            font-weight: 700;
        }

        .match-center {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 80px;
        }

        .match-score {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
        }

        .match-status {
            font-size: 11px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        .match-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-weak);
            white-space: nowrap;
        }

        .match-meta a {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Ranking ========== */
        .ranking-section {
            background: linear-gradient(180deg, var(--bg-body) 0%, #0d1428 100%);
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .ranking-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

        .ranking-card:hover {
            border-color: rgba(16, 185, 129, 0.3);
            box-shadow: var(--shadow-md);
        }

        .ranking-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
        }

        .ranking-card-header h3 {
            font-size: 18px;
            font-weight: 800;
        }

        .ranking-card-header h3 i {
            color: var(--accent);
            margin-right: 8px;
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            background: var(--bg-surface-2);
        }

        .rank-number {
            font-size: 15px;
            font-weight: 800;
            color: var(--text-weak);
            width: 30px;
            text-align: center;
            font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
        }

        .ranking-item:nth-child(1) .rank-number {
            color: var(--accent);
        }

        .ranking-item:nth-child(2) .rank-number {
            color: #cbd5e1;
        }

        .ranking-item:nth-child(3) .rank-number {
            color: #b45309;
        }

        .rank-info {
            flex: 1;
        }

        .rank-name {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .rank-meta {
            display: block;
            font-size: 12px;
            color: var(--text-weak);
        }

        .rank-tag {
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 999px;
            font-weight: 600;
            background: rgba(16, 185, 129, 0.1);
            color: var(--primary);
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .rank-tag.hot {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent);
            border-color: rgba(245, 158, 11, 0.25);
        }

        /* ========== Guide ========== */
        .guide-section {
            background: var(--bg-body);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-step {
            position: relative;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 26px;
            transition: var(--transition);
        }

        .guide-step:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .guide-step-num {
            font-size: 44px;
            font-weight: 800;
            color: rgba(16, 185, 129, 0.2);
            position: absolute;
            top: 20px;
            right: 24px;
            line-height: 1;
        }

        .guide-step-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.24);
            display: grid;
            place-items: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .guide-step h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .guide-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: linear-gradient(180deg, var(--bg-body) 0%, #0d1428 100%);
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item.active {
            border-color: rgba(16, 185, 129, 0.35);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            user-select: none;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 90px 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 17, 32, 0.94), rgba(16, 185, 129, 0.18), rgba(11, 17, 32, 0.94));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(28px, 3.6vw, 42px);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 30px;
        }

        .cta-content .btn {
            font-size: 15px;
            padding: 14px 34px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #080d18;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 44px;
            padding: 60px 0 44px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--text-main);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-subscribe p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px;
        }

        .subscribe-form:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.07);
        }

        .subscribe-form input {
            flex: 1;
            padding: 8px 14px;
            outline: none;
            font-size: 13px;
            color: var(--text-main);
            min-width: 0;
        }

        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }

        .subscribe-form button {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #06251c;
            cursor: pointer;
            display: grid;
            place-items: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .subscribe-form button:hover {
            background: var(--primary-light);
            transform: scale(1.05);
        }

        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-weak);
        }

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

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 66px;
            }

            .header-inner {
                flex-wrap: nowrap;
            }

            .main-nav {
                gap: 2px;
            }

            .nav-link {
                padding: 8px 12px;
                font-size: 13px;
            }

            .search-box {
                width: 178px;
            }

            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .ranking-grid {
                grid-template-columns: 1fr;
            }

            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 50px;
                --space-section-sm: 40px;
            }

            .container {
                padding: 0 18px;
            }

            .site-header {
                position: sticky;
            }

            .header-inner {
                padding-top: 12px;
                padding-bottom: 12px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-cta {
                display: none;
            }

            .search-box {
                width: 42px;
                height: 42px;
                padding: 0;
                justify-content: center;
                border-radius: 10px;
            }

            .search-box input {
                display: none;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 320px;
                height: 100vh;
                height: 100dvh;
                background: rgba(11, 17, 32, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                padding: 70px 24px 30px;
                z-index: 200;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                gap: 8px;
                border-left: 1px solid var(--border);
                order: 10;
            }

            .main-nav.open {
                right: 0;
            }

            .main-nav::before {
                content: '';
                position: fixed;
                top: 0;
                left: 0;
                width: 100vw;
                height: 100vh;
                background: rgba(0, 0, 0, 0.6);
                z-index: -1;
                display: none;
            }

            .main-nav.open::before {
                display: block;
            }

            .nav-close {
                display: inline-flex;
                position: absolute;
                top: 20px;
                right: 20px;
                width: 38px;
                height: 38px;
                border-radius: 10px;
                background: rgba(255, 255, 255, 0.06);
                border: 1px solid var(--border);
                color: var(--text-main);
                font-size: 16px;
                cursor: pointer;
                align-items: center;
                justify-content: center;
            }

            .nav-close:hover {
                color: var(--primary);
                border-color: var(--primary);
            }

            .nav-link {
                padding: 13px 16px;
                font-size: 15px;
                border-radius: 12px;
            }

            .category-hero {
                padding: 90px 0 70px;
            }

            .hero-content h1 {
                font-size: 34px;
            }

            .hero-content p {
                font-size: 15px;
            }

            .hero-stats {
                gap: 22px;
            }

            .stat-item strong {
                font-size: 24px;
            }

            .league-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .league-card {
                min-height: 260px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 28px;
            }

            .section-header p {
                font-size: 14px;
            }

            .match-card {
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
            }

            .match-league {
                min-width: auto;
                justify-content: center;
            }

            .match-teams {
                justify-content: space-between;
                gap: 10px;
            }

            .match-team {
                min-width: 0;
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }

            .match-team:last-child {
                flex-direction: column;
                text-align: center;
            }

            .team-badge {
                width: 34px;
                height: 34px;
            }

            .team-name {
                font-size: 13px;
            }

            .match-center {
                min-width: 60px;
            }

            .match-meta {
                justify-content: center;
            }

            .guide-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stats-item {
                padding: 24px 14px;
            }

            .stats-item strong {
                font-size: 30px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 46px 0 34px;
            }

            .featured-main-body {
                padding: 20px;
            }

            .featured-main-body h3 {
                font-size: 19px;
            }

            .featured-item-img {
                width: 80px;
                height: 66px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }

            .brand-text {
                font-size: 16px;
            }

            .search-box {
                display: none;
            }

            .league-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }

            .hero-stats {
                gap: 16px;
                flex-direction: column;
            }

            .hero-stats .stat-item {
                flex-direction: row;
                align-items: baseline;
                gap: 10px;
                justify-content: space-between;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .match-teams {
                flex-direction: column;
            }

            .match-team {
                flex-direction: row;
                justify-content: center;
            }

            .match-team:last-child {
                flex-direction: row;
            }

            .match-center {
                order: -1;
            }

            .featured-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .featured-item-img {
                width: 100%;
                height: 140px;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #ff6b35;
            --primary-hover: #ff8552;
            --secondary: #00d4aa;
            --secondary-hover: #2ce6c0;
            --accent: #4a9eff;
            --bg-body: #0a0f1e;
            --bg-panel: #111829;
            --bg-card: #16203a;
            --bg-card-hover: #1b2847;
            --bg-soft: rgba(255, 107, 53, 0.08);
            --border: #233052;
            --border-light: #2d3d63;
            --text-main: #e6ecf5;
            --text-muted: #8b9bb9;
            --text-dim: #5a6b8c;
            --white: #ffffff;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            color: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 14px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            line-height: 1.35;
            font-weight: 700;
        }

        :focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.6);
            outline-offset: 2px;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 头部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 15, 30, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 74px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #ff9a5c);
            color: #fff;
            font-size: 19px;
            font-weight: 900;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .brand-text strong {
            color: var(--primary);
            font-weight: 800;
        }

        /* 导航 */
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            margin-left: 12px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link i {
            font-size: 14px;
            opacity: 0.85;
        }

        .nav-link:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-1px);
        }

        .nav-link.active {
            color: var(--white);
            background: var(--bg-soft);
            box-shadow: inset 0 0 0 1px rgba(255, 107, 53, 0.35);
        }

        .nav-link.active:hover {
            background: rgba(255, 107, 53, 0.14);
        }

        .nav-close {
            display: none;
            position: absolute;
            top: 18px;
            right: 20px;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
        }

        .nav-close:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 18px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--border-light);
            background: var(--bg-panel);
        }

        /* 头部操作区 */
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            width: 240px;
        }

        .search-box>i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--text-dim);
            pointer-events: none;
        }

        .search-box input {
            width: 100%;
            height: 42px;
            padding: 0 44px 0 38px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-main);
            transition: var(--transition);
        }

        .search-box input::placeholder {
            color: var(--text-dim);
        }

        .search-box input:focus {
            outline: none;
            border-color: rgba(255, 107, 53, 0.5);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.12);
        }

        .search-box kbd {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 11px;
            color: var(--text-dim);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 2px 7px;
            background: rgba(255, 255, 255, 0.04);
            font-family: ui-monospace, "SF Mono", monospace;
            pointer-events: none;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            text-decoration: none;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #ff9a5c);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 107, 53, 0.38);
            color: var(--white);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
        }

        .btn-ghost {
            background: transparent;
            border-color: var(--border-light);
            color: var(--text-main);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
            background: rgba(255, 107, 53, 0.06);
        }

        .btn-light {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.15);
            color: var(--white);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.14);
            color: var(--white);
        }

        /* ========== 页面 Hero ========== */
        .page-hero {
            position: relative;
            padding: 96px 0 86px;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.95) 35%, rgba(10, 15, 30, 0.72) 85%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: -80px;
            right: -40px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.16) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a:hover {
            color: var(--primary-hover);
        }

        .hero-breadcrumb .sep {
            color: var(--text-dim);
            font-size: 11px;
        }

        .hero-breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .page-hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-muted);
            max-width: 650px;
            margin-bottom: 30px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 38px;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            backdrop-filter: blur(8px);
        }

        .hero-badge strong {
            font-size: 20px;
            color: var(--white);
            font-weight: 800;
        }

        .hero-badge span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 84px 0;
        }

        .section-alt {
            background: var(--bg-panel);
            border-block: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-soft);
            border: 1px solid rgba(255, 107, 53, 0.25);
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* ========== 分类频道卡片 ========== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .channel-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 30px 26px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            min-height: 230px;
        }

        .channel-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .channel-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
        }

        .channel-card:hover::before {
            opacity: 1;
        }

        .channel-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            background: rgba(255, 107, 53, 0.1);
            margin-bottom: 22px;
            transition: var(--transition);
        }

        .channel-card:hover .channel-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.06);
        }

        .channel-card h3 {
            font-size: 19px;
            color: var(--white);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .channel-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted);
            flex: 1;
        }

        .channel-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .channel-meta span {
            font-size: 12px;
            color: var(--text-dim);
        }

        .channel-meta a {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .channel-meta a:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        /* ========== 资讯卡片 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 26px;
        }

        .news-card {
            display: flex;
            flex-direction: column;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .news-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.55s ease;
        }

        .news-card:hover .news-cover img {
            transform: scale(1.05);
        }

        .news-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10, 15, 30, 0.55));
        }

        .news-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 107, 53, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 13px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .news-body {
            padding: 24px 24px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-body h3 {
            font-size: 18px;
            line-height: 1.5;
            color: var(--white);
            margin-bottom: 10px;
            font-weight: 700;
            transition: var(--transition);
        }

        .news-card:hover h3 {
            color: var(--primary-hover);
        }

        .news-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-dim);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat fixed;
            padding: 90px 0;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(10, 15, 30, 0.9);
        }

        .stats-section .container {
            position: relative;
            z-index: 1;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 40px;
        }

        .stat-item {
            text-align: center;
            padding: 34px 20px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            border-color: rgba(255, 107, 53, 0.35);
        }

        .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-num sup {
            font-size: 20px;
            color: var(--primary);
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .stats-desc {
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 620px;
            margin: 0 auto;
        }

        .stats-desc strong {
            color: var(--primary);
        }

        /* ========== 排行列表 ========== */
        .rank-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .rank-card {
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 30px;
            transition: var(--transition);
        }

        .rank-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow);
        }

        .rank-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
        }

        .rank-card-header i {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary);
            background: var(--bg-soft);
        }

        .rank-card-header h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--white);
        }

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

        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 14px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .rank-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border);
            transform: translateX(4px);
        }

        .rank-num {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .rank-item:nth-child(1) .rank-num,
        .rank-item:nth-child(2) .rank-num,
        .rank-item:nth-child(3) .rank-num {
            background: rgba(255, 107, 53, 0.2);
            color: var(--primary);
        }

        .rank-name {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }

        .rank-score {
            font-size: 13px;
            color: var(--text-dim);
            font-weight: 600;
            white-space: nowrap;
        }

        /* ========== FAQ ========== */
        .faq-grid {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            font-family: inherit;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-question .faq-toggle {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-dim);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-muted);
            padding: 0 22px 0 52px;
            border-top: 0 solid transparent;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 22px 20px 52px;
            border-top-color: var(--border);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(0, 212, 170, 0.08));
            border-top: 1px solid var(--border);
        }

        .cta-box {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            padding: 56px 48px;
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 580px;
            margin: 0 auto 30px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #070b16;
            border-top: 1px solid var(--border);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 44px;
            padding-bottom: 48px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-dim);
            max-width: 300px;
            margin-top: 16px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary-hover);
            padding-left: 5px;
        }

        .footer-subscribe p {
            font-size: 13px;
            color: var(--text-dim);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            position: relative;
        }

        .subscribe-form input {
            flex: 1;
            height: 42px;
            padding: 0 14px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-main);
            font-size: 13px;
            transition: var(--transition);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: rgba(255, 107, 53, 0.5);
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.12);
        }

        .subscribe-form button {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #ff9a5c);
            color: #fff;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .subscribe-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-dim);
        }

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

        .footer-bottom a:hover {
            color: var(--primary-hover);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .chain-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .search-box {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .site-header .header-inner {
                height: 66px;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -320px;
                width: 300px;
                height: 100vh;
                background: var(--bg-panel);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 70px 20px 30px;
                transition: right 0.35s ease;
                box-shadow: -12px 0 40px rgba(0, 0, 0, 0.4);
                z-index: 200;
                margin-left: 0;
            }

            .main-nav.open {
                right: 0;
            }

            .main-nav .nav-link {
                font-size: 15px;
                padding: 14px 16px;
                border-radius: 12px;
            }

            .nav-close {
                display: flex;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .search-box {
                display: none;
            }

            .header-actions .btn {
                display: none;
            }

            .page-hero {
                padding: 72px 0 60px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-badges {
                gap: 10px;
            }

            .hero-badge {
                padding: 8px 14px;
            }

            .hero-badge strong {
                font-size: 16px;
            }

            .section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 27px;
            }

            .channel-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-num {
                font-size: 30px;
            }

            .rank-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-box {
                padding: 38px 22px;
            }

            .cta-box h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-text {
                font-size: 15px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 9px;
            }

            .page-hero h1 {
                font-size: 27px;
            }

            .hero-desc {
                font-size: 14px;
            }

            .hero-cta .btn {
                width: 100%;
            }

            .hero-badges {
                flex-direction: column;
                gap: 8px;
            }

            .hero-badge {
                justify-content: center;
            }

            .section-title {
                font-size: 24px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }

            .news-body {
                padding: 18px;
            }

            .news-body h3 {
                font-size: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 18px 0;
            }

            .footer-bottom p {
                line-height: 1.8;
            }
        }