/* roulang page: index */
:root {
            --sidebar-width: 240px;
            --color-gold: #d9a82c;
            --color-gold-light: #f0c04a;
            --color-dark: #0b0b1a;
            --color-deeper: #060612;
            --color-card: rgba(255, 255, 255, 0.04);
            --color-border: rgba(255, 255, 255, 0.06);
            --color-text: #f1f1f7;
            --color-text-soft: #a0a0b8;
            --color-muted: #6b6b82;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 30px rgba(217, 168, 44, 0.08);
        }

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

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

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--color-deeper);
            color: var(--color-text);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

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

        button {
            cursor: pointer;
        }

        /* scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-deeper);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.22);
        }

        /* layout */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-dark);
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            z-index: 100;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }

        .sidebar-logo {
            padding: 28px 22px 20px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-gold), #b8891e);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #0b0b1a;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
            line-height: 1.2;
        }

        .sidebar-logo .logo-text span {
            color: var(--color-gold);
        }

        .sidebar-nav {
            padding: 12px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all 0.25s ease;
            position: relative;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .sidebar-nav a.active {
            background: rgba(217, 168, 44, 0.12);
            color: var(--color-gold-light);
            box-shadow: inset 0 0 0 1px rgba(217, 168, 44, 0.15);
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--color-gold);
            border-radius: 0 4px 4px 0;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--color-border);
            font-size: 12px;
            color: var(--color-muted);
            text-align: center;
            line-height: 1.5;
        }

        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            background: var(--color-deeper);
            position: relative;
        }

        /* mobile top bar */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(11, 11, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 18px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-topbar .menu-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-size: 20px;
            transition: background 0.2s;
        }

        .mobile-topbar .menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-topbar .mobile-logo {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }

        .mobile-topbar .mobile-logo span {
            color: var(--color-gold);
        }

        /* overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 99;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .sidebar-overlay.open {
            display: block;
        }

        /* hero */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 40px 48px 60px;
            overflow: hidden;
        }

        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            filter: brightness(0.35) saturate(0.8);
            z-index: 0;
            transform: scale(1.02);
        }

        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 6, 18, 0.88) 0%, rgba(6, 6, 18, 0.5) 50%, rgba(11, 11, 26, 0.7) 100%);
            z-index: 1;
        }

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

        .hero-section .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 168, 44, 0.15);
            border: 1px solid rgba(217, 168, 44, 0.25);
            border-radius: 40px;
            padding: 6px 18px 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-gold-light);
            margin-bottom: 28px;
            letter-spacing: 0.3px;
        }

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

        .hero-section h1 {
            font-size: clamp(2.6rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.12;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 20px;
        }

        .hero-section h1 .highlight {
            background: linear-gradient(135deg, var(--color-gold-light), #e8b830, #b8891e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-section .hero-sub {
            font-size: clamp(1rem, 1.6vw, 1.2rem);
            color: var(--color-text-soft);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-gold), #c99a28);
            color: #0b0b1a;
            box-shadow: 0 4px 20px rgba(217, 168, 44, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(217, 168, 44, 0.35);
            background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            border-color: var(--color-gold);
            color: var(--color-gold-light);
            background: rgba(217, 168, 44, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* section */
        .section {
            padding: 80px 48px;
        }

        .section-dark {
            background: var(--color-dark);
        }

        .section-deeper {
            background: var(--color-deeper);
        }

        .section-header {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--color-gold);
            margin-bottom: 12px;
            border: 1px solid rgba(217, 168, 44, 0.2);
            padding: 4px 14px;
            border-radius: 30px;
            background: rgba(217, 168, 44, 0.06);
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: #fff;
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            line-height: 1.8;
        }

        .section-header.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-header.centered .section-tag {
            margin-left: auto;
            margin-right: auto;
        }

        /* card grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }

        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 26px;
            transition: all 0.35s ease;
            backdrop-filter: blur(4px);
        }

        .card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(217, 168, 44, 0.1);
            border: 1px solid rgba(217, 168, 44, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-gold-light);
            margin-bottom: 18px;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .card p {
            font-size: 0.94rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-gold-light);
            transition: gap 0.25s ease;
        }

        .card .card-link:hover {
            gap: 12px;
        }

        /* cover card */
        .cover-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .cover-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(255, 255, 255, 0.12);
        }

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

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

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

        .cover-card .cover-img .cover-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(217, 168, 44, 0.9);
            color: #0b0b1a;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .cover-card .cover-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cover-card .cover-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .cover-card .cover-body p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            flex: 1;
        }

        .cover-card .cover-body .cover-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 16px;
            font-size: 13px;
            color: var(--color-muted);
        }

        .cover-card .cover-body .cover-meta i {
            margin-right: 4px;
        }

        .cover-card .cover-body .cover-meta span {
            display: flex;
            align-items: center;
        }

        /* stat grid */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 20px;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-gold-light);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-soft);
        }

        /* steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 28px;
            counter-reset: step;
        }

        .step-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 26px 28px;
            text-align: center;
            transition: all 0.35s ease;
            position: relative;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-gold), #b8891e);
            color: #0b0b1a;
            font-weight: 800;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 20px rgba(217, 168, 44, 0.2);
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* faq */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.1);
        }

        .faq-item .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            transition: color 0.2s;
            user-select: none;
        }

        .faq-item .faq-question:hover {
            color: var(--color-gold-light);
        }

        .faq-item .faq-question i {
            font-size: 16px;
            color: var(--color-text-soft);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-gold-light);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* cta */
        .cta-section {
            background: linear-gradient(135deg, rgba(217, 168, 44, 0.06) 0%, rgba(11, 11, 26, 0.9) 100%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            position: relative;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 24px;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        /* footer */
        .site-footer {
            background: var(--color-dark);
            border-top: 1px solid var(--color-border);
            padding: 48px 48px 32px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo span {
            color: var(--color-gold);
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-soft);
            padding: 5px 0;
            transition: color 0.25s ease;
        }

        .footer-col a:hover {
            color: var(--color-gold-light);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--color-muted);
        }

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

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

        /* cms list */
        .cms-list .cms-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }

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

        .cms-list .cms-item:hover {
            padding-left: 8px;
        }

        .cms-list .cms-item .cms-thumb {
            width: 80px;
            height: 60px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-card);
        }

        .cms-list .cms-item .cms-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .cms-list .cms-item .cms-info {
            flex: 1;
            min-width: 0;
        }

        .cms-list .cms-item .cms-info .cms-title {
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s;
        }

        .cms-list .cms-item .cms-info .cms-title:hover {
            color: var(--color-gold-light);
        }

        .cms-list .cms-item .cms-info .cms-meta {
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .cms-list .cms-item .cms-info .cms-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .cms-list .cms-item .cms-info .cms-meta .cms-category {
            color: var(--color-gold);
            font-weight: 500;
        }

        .cms-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-muted);
            font-size: 0.95rem;
        }

        /* responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 60px 32px;
            }
            .hero-section {
                padding: 32px 32px 50px;
                min-height: 80vh;
            }
            .site-footer {
                padding: 40px 32px 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .hero-section {
                padding: 24px 20px 40px;
                min-height: 70vh;
            }
            .hero-section .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 48px 20px;
            }
            .card-grid,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .site-footer {
                padding: 32px 20px 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
            .cta-section .cta-inner {
                padding: 50px 20px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .cms-list .cms-item {
                flex-direction: column;
                gap: 12px;
            }
            .cms-list .cms-item .cms-thumb {
                width: 100%;
                height: 160px;
            }
            .hero-section h1 {
                font-size: clamp(2rem, 8vw, 2.8rem);
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 65vh;
                padding: 20px 16px 32px;
            }
            .section {
                padding: 36px 16px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .card {
                padding: 20px 18px;
            }
            .cover-card .cover-body {
                padding: 16px 18px 20px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                font-size: 0.9rem;
            }
            .site-footer {
                padding: 24px 16px 20px;
            }
            .hero-section .hero-badge {
                font-size: 12px;
                padding: 4px 14px 4px 10px;
            }
        }

        /* focus accessibility */
        a:focus-visible,
        button:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* smooth fade in */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a2a4a;
            --color-primary-light: #2c3e6b;
            --color-accent: #e6a817;
            --color-accent-hover: #f0c040;
            --color-bg: #0d1520;
            --color-bg-card: #141f2f;
            --color-bg-elevated: #1a2a3e;
            --color-text: #e8edf4;
            --color-text-muted: #8899b4;
            --color-border: #23344a;
            --color-success: #4ade80;
            --color-warning: #fbbf24;
            --color-danger: #f87171;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 30px rgba(230, 168, 23, 0.15);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 0px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 4px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Layout: Sidebar + Main ===== */
        .app-layout {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-brand .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .sidebar-brand .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .sidebar-brand .logo-text span {
            color: var(--color-accent);
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--color-text-muted);
            font-size: 15px;
            font-weight: 450;
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .sidebar-nav a.active {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(230, 168, 23, 0.3);
        }
        .sidebar-nav a.active i {
            color: var(--color-primary);
        }

        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            width: calc(100% - var(--sidebar-width));
        }

        /* ===== Mobile top bar ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--color-primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-topbar .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .mobile-topbar .logo-text span {
            color: var(--color-accent);
        }
        .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: var(--color-primary);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.2;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 21, 32, 0.85) 30%, rgba(26, 42, 74, 0.6) 80%);
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .category-hero h1 span {
            color: var(--color-accent);
        }
        .category-hero p {
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ===== Section spacing ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block-alt {
            background: var(--color-bg-card);
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-title-accent {
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }
        .section-title-accent::after {
            content: '';
            height: 3px;
            width: 40px;
            background: var(--color-accent);
            border-radius: 4px;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 168, 23, 0.25);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }
        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin: -28px -24px 20px;
            height: 200px;
            position: relative;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.05);
        }
        .card .card-tag {
            display: inline-block;
            background: rgba(230, 168, 23, 0.15);
            color: var(--color-accent);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 10px;
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            margin-top: 4px;
        }
        .card .card-meta i {
            margin-right: 4px;
        }

        /* ===== Stats / Data blocks ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
        }
        .stat-card {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-top: 6px;
        }
        .stat-card .stat-icon {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 12px;
            opacity: 0.7;
        }

        /* ===== Tag list ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--color-text-muted);
            transition: all 0.25s ease;
            cursor: default;
        }
        .tag-item i {
            color: var(--color-accent);
            font-size: 12px;
        }
        .tag-item:hover {
            border-color: var(--color-accent);
            color: #fff;
            background: rgba(230, 168, 23, 0.08);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 14px;
            transition: border-color 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(230, 168, 23, 0.2);
        }
        .faq-item .faq-q {
            font-weight: 600;
            color: #fff;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 1.02rem;
        }
        .faq-item .faq-q i {
            color: var(--color-accent);
            margin-top: 2px;
            flex-shrink: 0;
        }
        .faq-item .faq-a {
            color: var(--color-text-muted);
            margin-top: 10px;
            padding-left: 28px;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .cta-inner {
            padding: 60px 0;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto 30px;
            font-size: 1.05rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 168, 23, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.05rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 48px 24px 20px;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--color-border);
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-logo span {
            color: var(--color-accent);
        }
        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 16px;
            opacity: 0.7;
        }
        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.92rem;
            padding: 4px 0;
            transition: color 0.25s;
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 16px auto 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0 8px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .breadcrumb a {
            color: var(--color-text-muted);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb span {
            color: var(--color-accent);
        }
        .breadcrumb i {
            font-size: 12px;
            color: var(--color-border);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.open {
                display: block;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
            }
            .category-hero {
                padding: 60px 0 50px;
                min-height: 300px;
            }
            .section-block {
                padding: 50px 0;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .card-image {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .container {
                padding: 0 12px;
            }
            .card {
                padding: 20px 16px;
            }
            .card-image {
                margin: -20px -16px 16px;
                height: 140px;
            }
        }

        /* ===== Scrollbar ===== */
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 10px;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-fade-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-fade-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-fade-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: article */
:root {
            --color-primary: #1a56db;
            --color-primary-light: #3b82f6;
            --color-primary-dark: #1e40af;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-sidebar: #0f172a;
            --color-sidebar-hover: #1e293b;
            --color-sidebar-active: #1a56db;
            --color-text: #1e293b;
            --color-text-light: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 48px rgba(0,0,0,0.16);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 240px;
            --header-height: 0px;
        }

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

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

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            display: flex;
            min-height: 100vh;
        }

        a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 2px; }

        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }

        button, input, textarea, select { font-family: inherit; font-size: 1rem; }

        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--color-text); }
        h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
        h2 { font-size: 1.75rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.375rem; }
        h4 { font-size: 1.125rem; }
        h5 { font-size: 1rem; }
        h6 { font-size: 0.875rem; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

        /* Left Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255,255,255,0.05);
            transition: transform var(--transition);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .sidebar-brand .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .sidebar-brand .logo-text span { color: var(--color-accent); }

        .sidebar-brand .logo-sub {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 2px;
            letter-spacing: 0.04em;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: rgba(255,255,255,0.65);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
        }
        .sidebar-nav a i { width: 20px; text-align: center; font-size: 1.05rem; color: rgba(255,255,255,0.4); transition: color var(--transition); }
        .sidebar-nav a:hover { background: var(--color-sidebar-hover); color: #fff; }
        .sidebar-nav a:hover i { color: var(--color-accent-light); }
        .sidebar-nav a.active { background: var(--color-sidebar-active); color: #fff; box-shadow: 0 2px 8px rgba(26,86,219,0.3); }
        .sidebar-nav a.active i { color: #fff; }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.75rem;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* Main Content */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .page-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .page-header .container { position: relative; z-index: 1; }

        .page-header .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .page-header .breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; }
        .page-header .breadcrumb a:hover { color: var(--color-accent-light); }
        .page-header .breadcrumb span { color: rgba(255,255,255,0.3); }

        .page-header .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .page-header .article-meta .category-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #0f172a;
        }
        .page-header .article-meta .date {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
        }
        .page-header .article-meta .date i { margin-right: 4px; }

        .page-header h1 {
            color: #fff;
            font-size: 2.4rem;
            line-height: 1.3;
            max-width: 900px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.2);
        }

        /* Article Content */
        .article-section {
            padding: 48px 0;
            background: var(--color-surface);
        }
        .article-section .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-section .article-body p { margin-bottom: 1.2em; }
        .article-section .article-body h2, 
        .article-section .article-body h3 { margin-top: 1.8em; margin-bottom: 0.6em; }
        .article-section .article-body ul, 
        .article-section .article-body ol { margin-bottom: 1.2em; padding-left: 1.5em; }
        .article-section .article-body li { margin-bottom: 0.4em; }
        .article-section .article-body img { margin: 1.5em auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
        .article-section .article-body blockquote {
            border-left: 4px solid var(--color-primary);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: var(--color-border-light);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--color-text-light);
            font-style: italic;
        }
        .article-section .article-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-section .article-body a:hover { color: var(--color-primary-dark); }

        .article-section .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--color-border);
        }
        .article-section .article-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--color-border-light);
            color: var(--color-text-light);
            transition: all var(--transition);
        }
        .article-section .article-tags .tag:hover { background: var(--color-primary); color: #fff; }

        .article-section .article-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            gap: 16px;
        }
        .article-section .article-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--color-border-light);
            color: var(--color-text);
            transition: all var(--transition);
            text-decoration: none;
        }
        .article-section .article-nav a:hover { background: var(--color-primary); color: #fff; }

        /* Not Found */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            max-width: 500px;
            margin: 0 auto;
        }
        .not-found-box .nf-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }
        .not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--color-text-light); margin-bottom: 28px; }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
            text-decoration: none;
        }
        .not-found-box .btn-back:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

        /* Related Section */
        .related-section {
            padding: 56px 0;
            background: var(--color-bg);
        }
        .related-section h2 { margin-bottom: 32px; text-align: center; }

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

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--color-border);
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .related-card .rc-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .rc-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
        .related-card .rc-body h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; color: var(--color-text); }
        .related-card .rc-body p { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.6; flex: 1; }
        .related-card .rc-body .rc-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .related-card .rc-body .rc-meta .rc-cat {
            padding: 2px 10px;
            border-radius: 12px;
            background: var(--color-border-light);
            font-weight: 500;
            color: var(--color-text-light);
        }

        /* FAQ Section */
        .faq-section {
            padding: 56px 0;
            background: var(--color-surface);
        }
        .faq-section h2 { text-align: center; margin-bottom: 40px; }

        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary-light); }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            background: var(--color-border-light);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: var(--color-border); }
        .faq-question i { color: var(--color-text-muted); transition: transform var(--transition); font-size: 0.85rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--color-primary); }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 18px 24px 24px;
        }
        .faq-answer a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 1; text-align: center; }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-section .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .cta-section .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            color: #0f172a;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .cta-section .btn-primary:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.35); }
        .cta-section .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            text-decoration: none;
            border: 1.5px solid rgba(255,255,255,0.25);
            cursor: pointer;
        }
        .cta-section .btn-secondary:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4); transform: translateY(-2px); }

        /* Footer */
        .site-footer {
            background: #0b1120;
            color: rgba(255,255,255,0.7);
            padding: 48px 24px 0;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .footer-brand .footer-logo span { color: var(--color-accent); }
        .footer-brand p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 320px; }
        .footer-col h5 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.5);
            font-size: 0.85rem;
            padding: 5px 0;
            transition: all var(--transition);
            text-decoration: none;
        }
        .footer-col a:hover { color: var(--color-accent-light); padding-left: 4px; }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; }
        .footer-bottom a:hover { color: var(--color-accent-light); }

        /* Mobile Toggle */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 14px;
            left: 14px;
            z-index: 1100;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-sidebar);
            color: #fff;
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: background var(--transition);
            align-items: center;
            justify-content: center;
        }
        .mobile-toggle:hover { background: var(--color-sidebar-hover); }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-header h1 { font-size: 2rem; }
        }

        @media (max-width: 768px) {
            :root { --sidebar-width: 0px; }
            .app-sidebar { transform: translateX(-100%); }
            .app-sidebar.open { transform: translateX(0); }
            .main-content { margin-left: 0; }
            .mobile-toggle { display: flex; }
            .sidebar-overlay.open { display: block; }

            .page-header { padding: 36px 0 28px; }
            .page-header h1 { font-size: 1.6rem; }

            .article-section { padding: 32px 0; }
            .article-section .article-body { font-size: 0.98rem; }

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

            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .cta-buttons { flex-direction: column; align-items: center; }
            .cta-section .btn-primary,
            .cta-section .btn-secondary { width: 100%; max-width: 300px; justify-content: center; }

            .article-section .article-nav { flex-direction: column; gap: 12px; }
            .article-section .article-nav a { width: 100%; justify-content: center; }

            .faq-question { padding: 14px 18px; font-size: 0.92rem; }
            .faq-answer { font-size: 0.88rem; }
            .faq-item.active .faq-answer { padding: 14px 18px 18px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .page-header h1 { font-size: 1.35rem; }
            .article-section .article-body { font-size: 0.92rem; }
            .page-header .article-meta { gap: 10px; }
            .page-header .article-meta .category-tag { font-size: 0.72rem; padding: 3px 10px; }
            .page-header .article-meta .date { font-size: 0.78rem; }
            .related-card .rc-body { padding: 14px 16px 16px; }
            .related-card .rc-body h4 { font-size: 0.92rem; }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #e50914;
            --color-primary-dark: #b2070f;
            --color-primary-light: #ff3b4a;
            --color-secondary: #0f1923;
            --color-secondary-light: #1a2a3a;
            --color-accent: #ffd700;
            --color-bg: #0a0e14;
            --color-bg-card: #111a24;
            --color-bg-card-hover: #162230;
            --color-surface: #0f1923;
            --color-text: #f0f2f5;
            --color-text-secondary: #a0abb8;
            --color-text-muted: #6b7a8a;
            --color-border: #1e2d3d;
            --color-border-light: #2a3d52;
            --color-success: #00c853;
            --color-warning: #ffab00;
            --color-danger: #ff1744;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(229,9,20,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 240px;
            --nav-height: 0px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; letter-spacing: -0.02em; }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: var(--color-bg); }
        ::-webkit-scrollbar-thumb { background: var(--color-border-light); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

        /* ===== 左侧导航 ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-secondary);
            border-right: 1px solid var(--color-border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 0;
            overflow-y: auto;
            backdrop-filter: blur(12px);
        }
        .sidebar-logo {
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--color-border);
        }
        .sidebar-logo a {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .sidebar-logo a span { color: var(--color-primary); }
        .sidebar-logo .logo-sub {
            font-size: 11px;
            color: var(--color-text-muted);
            font-weight: 400;
            letter-spacing: 1px;
            margin-top: 2px;
            display: block;
        }
        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--color-text-muted);
            transition: var(--transition);
        }
        .sidebar-nav a:hover {
            background: var(--color-bg-card);
            color: #fff;
        }
        .sidebar-nav a:hover i { color: var(--color-primary-light); }
        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(229,9,20,0.18), rgba(229,9,20,0.06));
            color: #fff;
            border: 1px solid rgba(229,9,20,0.25);
        }
        .sidebar-nav a.active i { color: var(--color-primary); }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 28px;
            background: var(--color-primary);
            border-radius: 0 4px 4px 0;
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--color-border);
            font-size: 11px;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--color-secondary);
            border-bottom: 1px solid var(--color-border);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-header .mobile-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }
        .mobile-header .mobile-logo span { color: var(--color-primary); }
        .mobile-menu-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu-btn:hover { background: var(--color-bg-card); }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.7);
            z-index: 998;
            backdrop-filter: blur(4px);
        }
        .mobile-nav-panel {
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--color-secondary);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 16px 20px;
            z-index: 999;
            display: none;
            box-shadow: var(--shadow-lg);
        }
        .mobile-nav-panel.open { display: block; }
        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--color-text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-nav-panel a i { width: 20px; color: var(--color-text-muted); }
        .mobile-nav-panel a:hover { background: var(--color-bg-card); color: #fff; }
        .mobile-nav-panel a.active { color: var(--color-primary); background: rgba(229,9,20,0.1); }
        .mobile-nav-panel a.active i { color: var(--color-primary); }

        /* ===== 通用容器 ===== */
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        .container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }

        /* ===== 板块间距 ===== */
        .section { padding: 80px 0; }
        .section-sm { padding: 48px 0; }
        .section-lg { padding: 100px 0; }

        /* ===== 标题样式 ===== */
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-primary);
            background: rgba(229,9,20,0.12);
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-title-light { color: #fff; }
        .section-title-center { text-align: center; }
        .section-subtitle-center { margin: 0 auto; text-align: center; }

        /* ===== 卡片通用 ===== */
        .card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--color-border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--color-bg-card-hover);
        }
        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: -28px -28px 20px -28px;
            position: relative;
        }
        .card-img img { width: 100%; height: 200px; object-fit: cover; border-radius: 0; }
        .card-body { flex: 1; }
        .card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
        .card-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(229,9,20,0.12);
            color: var(--color-primary-light);
            letter-spacing: 0.3px;
        }
        .card-tag.green { background: rgba(0,200,83,0.12); color: var(--color-success); }
        .card-tag.gold { background: rgba(255,171,0,0.12); color: var(--color-warning); }
        .card-tag.blue { background: rgba(33,150,243,0.12); color: #64b5f6; }
        .card h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 8px; }
        .card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
        .card .meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
        }
        .card .meta i { margin-right: 4px; font-size: 11px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(229,9,20,0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid var(--color-border-light);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary-light);
            background: rgba(229,9,20,0.06);
            transform: translateY(-2px);
        }
        .btn-lg { padding: 16px 36px; font-size: 17px; border-radius: var(--radius-lg); }
        .btn-sm { padding: 8px 18px; font-size: 13px; border-radius: var(--radius-sm); }

        /* ===== 徽章/统计 ===== */
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--color-border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-number .accent { color: var(--color-primary); }
        .stat-label { font-size: 14px; color: var(--color-text-muted); font-weight: 500; }

        /* ===== Hero 板块 ===== */
        .hero-banner {
            position: relative;
            padding: 100px 0 80px;
            background: var(--color-secondary);
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            mask-image: linear-gradient(to right, transparent, black 40%, black 70%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 40%, black 70%, transparent);
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(229,9,20,0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner .container { position: relative; z-index: 1; }
        .hero-banner h1 {
            font-size: 52px;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            max-width: 700px;
        }
        .hero-banner h1 .highlight { color: var(--color-primary); }
        .hero-banner p {
            font-size: 18px;
            color: var(--color-text-secondary);
            max-width: 580px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-banner .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--color-border);
        }
        .hero-banner .hero-stat-item {
            text-align: left;
        }
        .hero-banner .hero-stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
        }
        .hero-banner .hero-stat-item .num .accent { color: var(--color-primary); }
        .hero-banner .hero-stat-item .lbl {
            font-size: 13px;
            color: var(--color-text-muted);
            display: block;
            margin-top: 2px;
        }

        /* ===== 分类页专属 Hero ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 64px;
            background: var(--color-secondary);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.18;
            mask-image: linear-gradient(to right, transparent, black 30%, black 70%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 30%, black 70%, transparent);
        }
        .category-hero .container { position: relative; z-index: 1; }
        .category-hero .breadcrumb {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-hero .breadcrumb a { color: var(--color-text-muted); }
        .category-hero .breadcrumb a:hover { color: var(--color-primary-light); }
        .category-hero .breadcrumb .sep { color: var(--color-border-light); }
        .category-hero .breadcrumb .current { color: var(--color-text-secondary); }
        .category-hero h1 {
            font-size: 44px;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 12px;
        }
        .category-hero h1 .highlight { color: var(--color-primary); }
        .category-hero p {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.8;
        }

        /* ===== 网格 ===== */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 28px; }

        /* ===== 图文区块 ===== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse { direction: rtl; }
        .media-block.reverse > * { direction: ltr; }
        .media-block .media-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
        .media-block .media-img img { width: 100%; height: 380px; object-fit: cover; }

        /* ===== 列表样式 ===== */
        .list-styled { list-style: none; padding: 0; }
        .list-styled li {
            padding: 12px 0;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            border-bottom: 1px solid var(--color-border);
            font-size: 15px;
            color: var(--color-text-secondary);
        }
        .list-styled li:last-child { border-bottom: none; }
        .list-styled li i { color: var(--color-primary); font-size: 14px; margin-top: 4px; }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            margin-bottom: 14px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover { border-color: var(--color-border-light); }
        .faq-item .question {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .faq-item .question i { color: var(--color-primary); font-size: 14px; transition: var(--transition); }
        .faq-item .answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, margin 0.3s ease;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .answer {
            max-height: 400px;
            margin-top: 16px;
        }
        .faq-item.open .question i { transform: rotate(180deg); }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(229,9,20,0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .cta-section p { font-size: 16px; color: var(--color-text-secondary); max-width: 520px; margin: 0 auto 28px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-secondary);
            border-top: 1px solid var(--color-border);
            padding: 56px 24px 32px;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-logo span { color: var(--color-primary); }
        .footer-brand p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; max-width: 320px; }
        .footer-col h5 {
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--color-primary-light); padding-left: 4px; }
        .footer-bottom {
            max-width: 1280px;
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .footer-bottom a { color: var(--color-text-muted); }
        .footer-bottom a:hover { color: var(--color-primary-light); }

        /* ===== 数据表格 ===== */
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .data-table thead th {
            background: var(--color-secondary);
            color: var(--color-text-secondary);
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--color-border);
            font-size: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .data-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            transition: var(--transition);
        }
        .data-table tbody tr:hover td { background: var(--color-bg-card-hover); }
        .data-table .team-cell { display: flex; align-items: center; gap: 10px; }
        .data-table .team-cell .rank {
            font-weight: 700;
            color: var(--color-text-muted);
            width: 24px;
        }
        .data-table .score-badge {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 14px;
        }
        .data-table .score-badge.win { background: rgba(0,200,83,0.15); color: var(--color-success); }
        .data-table .score-badge.lose { background: rgba(255,23,68,0.15); color: var(--color-danger); }
        .data-table .score-badge.draw { background: rgba(255,171,0,0.15); color: var(--color-warning); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
            .hero-banner h1 { font-size: 42px; }
            .category-hero h1 { font-size: 36px; }
            .section-title { font-size: 30px; }
            .media-block { grid-template-columns: 1fr; gap: 32px; }
            .media-block.reverse { direction: ltr; }
            .grid-2-1 { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            :root { --sidebar-width: 0px; }
            .app-sidebar { display: none; }
            .mobile-header { display: flex; }
            .main-content { margin-left: 0; padding-top: 60px; }
            .hero-banner { padding: 60px 0 48px; }
            .hero-banner h1 { font-size: 32px; }
            .hero-banner .hero-stats { flex-wrap: wrap; gap: 20px; }
            .category-hero { padding: 48px 0 40px; }
            .category-hero h1 { font-size: 28px; }
            .section { padding: 48px 0; }
            .section-lg { padding: 56px 0; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
            .container { padding: 0 16px; }
            .section-title { font-size: 26px; }
            .stat-number { font-size: 32px; }
            .cta-section { padding: 36px 20px; }
            .cta-section h2 { font-size: 26px; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .data-table { font-size: 12px; }
            .data-table thead th, .data-table tbody td { padding: 10px 8px; }
            .data-table .team-cell .rank { display: none; }
        }

        @media (max-width: 520px) {
            .hero-banner h1 { font-size: 26px; }
            .hero-banner p { font-size: 15px; }
            .category-hero h1 { font-size: 24px; }
            .section-title { font-size: 22px; }
            .btn { padding: 10px 20px; font-size: 14px; }
            .btn-lg { padding: 14px 28px; font-size: 15px; }
            .card { padding: 20px; }
            .card-img { margin: -20px -20px 16px -20px; }
            .card-img img { height: 160px; }
            .media-block .media-img img { height: 220px; }
            .stat-number { font-size: 28px; }
            .faq-item { padding: 18px 20px; }
            .faq-item .question { font-size: 15px; }
        }

/* roulang page: category3 */
:root {
            --color-primary: #e11d48;
            --color-primary-dark: #be123c;
            --color-primary-light: #fb7185;
            --color-accent: #fbbf24;
            --color-accent-dark: #f59e0b;
            --color-bg-dark: #0a0a0f;
            --color-bg-card: #13131f;
            --color-bg-elevated: #1a1a2e;
            --color-text: #f1f1f6;
            --color-text-muted: #9ca3af;
            --color-border: rgba(255, 255, 255, 0.06);
            --color-border-light: rgba(255, 255, 255, 0.1);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(225, 29, 72, 0.15);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧导航 ===== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: linear-gradient(180deg, #0f0f1a 0%, #0a0a12 100%);
            border-right: 1px solid var(--color-border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 0;
            overflow-y: auto;
            backdrop-filter: blur(12px);
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--color-border);
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #fff;
        }

        .sidebar-logo .logo-text span {
            color: var(--color-primary);
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 16px 12px;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: var(--transition-base);
            position: relative;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(225, 29, 72, 0.08);
            color: var(--color-text);
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(225, 29, 72, 0.2), rgba(251, 191, 36, 0.08));
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-primary);
        }

        .sidebar-nav a.active::after {
            content: '';
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(251, 191, 36, 0.5);
        }

        .sidebar-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid var(--color-border);
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: 240px;
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== Hero ===== */
        .hero-banner {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, rgba(10, 10, 15, 0.92), rgba(20, 10, 30, 0.88)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.12), transparent 70%);
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: 10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.08), transparent 70%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(225, 29, 72, 0.15);
            border: 1px solid rgba(225, 29, 72, 0.25);
            padding: 6px 16px 6px 12px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary-light);
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

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

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .hero-stat-item .label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        /* ===== 板块标题 ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-sub {
            color: var(--color-text-muted);
            max-width: 600px;
            font-size: 1rem;
        }

        /* ===== 卡片网格 ===== */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

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

        .card-guide:hover {
            transform: translateY(-4px);
            border-color: rgba(225, 29, 72, 0.2);
            box-shadow: var(--shadow-card), var(--shadow-glow);
        }

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

        .card-guide .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }

        .card-guide:hover .card-img img {
            transform: scale(1.03);
        }

        .card-guide .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(225, 29, 72, 0.9);
            backdrop-filter: blur(8px);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
        }

        .card-guide .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-guide .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-guide .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .card-guide .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .card-guide .card-meta i {
            margin-right: 4px;
            color: var(--color-primary-light);
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-block .feat-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-bg-elevated);
            aspect-ratio: 4 / 3;
            border: 1px solid var(--color-border);
        }

        .feature-block .feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-block .feat-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .feature-block .feat-content p {
            color: var(--color-text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .feature-block .feat-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-block .feat-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .feature-block .feat-list li i {
            color: var(--color-accent);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition-base);
        }

        .stat-card:hover {
            border-color: rgba(225, 29, 72, 0.2);
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-primary-light);
            margin-bottom: 12px;
        }

        .stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--color-text-muted));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(225, 29, 72, 0.15);
        }

        .faq-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 i {
            color: var(--color-primary-light);
            font-size: 0.85rem;
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            padding-left: 26px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(225, 29, 72, 0.12), rgba(251, 191, 36, 0.06)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            border: 1px solid rgba(225, 29, 72, 0.15);
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 10, 15, 0.7);
            backdrop-filter: blur(4px);
            border-radius: var(--radius-xl);
        }

        .cta-block>* {
            position: relative;
            z-index: 1;
        }

        .cta-block h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-block p {
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            box-shadow: 0 8px 30px rgba(225, 29, 72, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(225, 29, 72, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border-light);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: #fff;
            background: rgba(225, 29, 72, 0.1);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: linear-gradient(180deg, #0a0a12, #06060a);
            border-top: 1px solid var(--color-border);
            padding: 48px 32px 24px;
            margin-top: auto;
        }

        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-logo span {
            color: var(--color-primary);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            padding: 4px 0;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

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

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-block .feat-img {
                order: -1;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                width: 100%;
                height: auto;
                position: relative;
                flex-direction: row;
                flex-wrap: wrap;
                padding: 0 16px;
                border-right: none;
                border-bottom: 1px solid var(--color-border);
                backdrop-filter: none;
            }
            .sidebar-logo {
                padding: 16px 0;
                border-bottom: none;
                flex: 1;
            }
            .sidebar-nav {
                flex-direction: row;
                flex-wrap: wrap;
                padding: 8px 0;
                gap: 4px;
                flex: 0 0 100%;
                order: 3;
                border-top: 1px solid var(--color-border);
                padding-top: 12px;
                margin-top: 4px;
            }
            .sidebar-nav a {
                padding: 8px 14px;
                font-size: 13px;
                gap: 8px;
                flex: 0 0 auto;
            }
            .sidebar-nav a.active::after {
                display: none;
            }
            .sidebar-footer {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .hero-banner {
                padding: 48px 0 48px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-item .num {
                font-size: 1.4rem;
            }
            .grid-cards {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-block {
                padding: 36px 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .sidebar-nav a {
                font-size: 12px;
                padding: 6px 10px;
            }
            .sidebar-nav a i {
                font-size: 13px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.88rem;
            }
            .cta-block {
                padding: 28px 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-inner {
                padding: 0 8px;
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(225, 29, 72, 0.3);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(225, 29, 72, 0.5);
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 4px;
            margin: 16px 0 24px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }

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

        /* ===== 标签 ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(225, 29, 72, 0.08);
            border: 1px solid rgba(225, 29, 72, 0.15);
            color: var(--color-primary-light);
            transition: var(--transition-base);
        }

        .tag:hover {
            background: rgba(225, 29, 72, 0.18);
            border-color: rgba(225, 29, 72, 0.3);
        }

        /* ===== 列表样式 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .content-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }

        .content-list-item:hover {
            border-color: rgba(225, 29, 72, 0.15);
            transform: translateX(4px);
        }

        .content-list-item .item-index {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(225, 29, 72, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-primary-light);
            flex-shrink: 0;
        }

        .content-list-item .item-text {
            flex: 1;
        }

        .content-list-item .item-text h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }

        .content-list-item .item-text span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .content-list-item .item-arrow {
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .content-list-item:hover .item-arrow {
            color: var(--color-primary-light);
            transform: translateX(2px);
        }