/* roulang page: index */
/* ===== DESIGN TOKENS ===== */
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #ec4899;
            --bg-dark: #0b0e1a;
            --bg-darker: #060810;
            --bg-card: #13172b;
            --bg-card-hover: #1a1f3a;
            --bg-surface: #1e233d;
            --text-white: #f1f5f9;
            --text-light: #cbd5e1;
            --text-muted: #64748b;
            --text-dark: #0f172a;
            --border-color: rgba(99, 102, 241, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --sidebar-width: 240px;
            --sidebar-collapsed: 72px;
            --header-height: 0px;
        }

        /* ===== RESET & BASE ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== SIDEBAR LAYOUT ===== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--bg-darker);
            border-right: 1px solid var(--border-light);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .app-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .app-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .app-sidebar::-webkit-scrollbar-thumb {
            background: var(--primary-dark);
            border-radius: 4px;
        }
        .sidebar-brand {
            padding: 28px 20px 20px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .sidebar-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .sidebar-brand .brand-text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-label {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--text-muted);
            padding: 12px 12px 6px;
        }
        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .sidebar-nav .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .sidebar-nav .nav-item:hover {
            background: rgba(99, 102, 241, 0.1);
            color: var(--text-light);
        }
        .sidebar-nav .nav-item.active {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(236, 72, 153, 0.1));
            color: var(--text-white);
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .sidebar-nav .nav-item.active i {
            color: var(--primary-light);
        }
        .sidebar-footer {
            padding: 16px 12px;
            border-top: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }
        .app-main {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-dark);
            position: relative;
        }

        /* ===== MOBILE HEADER ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-light);
            z-index: 1040;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
        }
        .mobile-header .mobile-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
        }
        .mobile-header .menu-toggle {
            background: transparent;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== SIDEBAR OVERLAY (mobile) ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1045;
            backdrop-filter: blur(4px);
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ===== CONTAINER ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            padding: 80px 0 100px;
            overflow: hidden;
            background: linear-gradient(160deg, var(--bg-darker) 0%, var(--bg-dark) 40%, rgba(99, 102, 241, 0.06) 100%);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(236, 72, 153, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(99, 102, 241, 0.12);
            border: 1px solid rgba(99, 102, 241, 0.2);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 580px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-light);
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== BUTTONS ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1;
        }
        .btn-custom:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
        }
        .btn-secondary-custom {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            border: 1px solid var(--border-light);
        }
        .btn-secondary-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .btn-glow {
            box-shadow: 0 0 24px rgba(99, 102, 241, 0.25);
        }
        .btn-glow:hover {
            box-shadow: 0 0 40px rgba(99, 102, 241, 0.35);
        }

        /* ===== SECTION COMMON ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: var(--bg-darker);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
        }
        .section-desc-wide {
            max-width: 800px;
        }

        /* ===== CARDS ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            background: var(--bg-card-hover);
            border-color: rgba(99, 102, 241, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary-light);
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary-light);
            margin-bottom: 12px;
        }

        /* ===== GAME CARD (featured) ===== */
        .game-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(99, 102, 241, 0.2);
        }
        .game-card .game-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--bg-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--text-muted);
        }
        .game-card .game-body {
            padding: 20px 20px 24px;
        }
        .game-card .game-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(245, 158, 11, 0.12);
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .game-card .game-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .game-card .game-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .game-card .game-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .game-card .game-meta i {
            margin-right: 4px;
        }

        /* ===== FEATURES GRID ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* ===== POSTS LIST (CMS) ===== */
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .post-item:last-child {
            border-bottom: none;
        }
        .post-item:hover {
            padding-left: 8px;
        }
        .post-item .post-index {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .post-item .post-content {
            flex: 1;
            min-width: 0;
        }
        .post-item .post-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            transition: var(--transition);
            display: inline-block;
        }
        .post-item .post-title:hover {
            color: var(--primary-light);
        }
        .post-item .post-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-item .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .post-item .post-meta .post-cat {
            padding: 1px 10px;
            border-radius: 50px;
            background: rgba(99, 102, 241, 0.08);
            color: var(--primary-light);
            font-size: 0.75rem;
        }

        /* ===== PROCESS / STEPS ===== */
        .process-step {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            position: relative;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 23px;
            top: 68px;
            bottom: -8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary-dark), transparent);
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
        }
        .process-step .step-content {
            flex: 1;
            padding-top: 4px;
        }
        .process-step .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .process-step .step-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.15);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            gap: 12px;
        }
        .faq-item .faq-question i {
            color: var(--primary-light);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            margin-top: 12px;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(236, 72, 153, 0.05));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
        }
        .cta-section .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== FOOTER ===== */
        .app-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-light);
            padding: 40px 0 32px;
            margin-top: 40px;
        }
        .app-footer .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .app-footer .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.7;
        }
        .app-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .app-footer .footer-links li {
            margin-bottom: 8px;
        }
        .app-footer .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .app-footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .app-footer .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .app-footer .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            margin-top: 32px;
            font-size: 0.82rem;
            color: var(--text-muted);
            text-align: center;
        }
        .app-footer .footer-bottom a {
            color: var(--text-muted);
        }
        .app-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== BADGE / TAG ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-primary {
            background: rgba(99, 102, 241, 0.12);
            color: var(--primary-light);
        }
        .badge-secondary {
            background: rgba(245, 158, 11, 0.12);
            color: var(--secondary);
        }
        .badge-accent {
            background: rgba(236, 72, 153, 0.12);
            color: var(--accent);
        }

        /* ===== EMPTY STATE ===== */
        .empty-state {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
        }
        .empty-state i {
            font-size: 3rem;
            margin-bottom: 16px;
            opacity: 0.5;
        }
        .empty-state p {
            font-size: 1rem;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: var(--sidebar-width);
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-section {
                padding: 48px 0 64px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat-item .stat-number {
                font-size: 1.4rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-block {
                padding: 48px 0;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .process-step .step-number {
                width: 40px;
                height: 40px;
                font-size: 15px;
            }
            .process-step:not(:last-child)::after {
                left: 19px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .game-card .game-body {
                padding: 16px;
            }
            .post-item {
                flex-direction: column;
                gap: 10px;
            }
            .cta-section .cta-actions {
                flex-direction: column;
            }
            .cta-section .cta-actions .btn-custom {
                width: 100%;
                justify-content: center;
            }
            .app-footer .footer-links {
                margin-bottom: 20px;
            }
        }

        @media (min-width: 769px) {
            .app-sidebar {
                transform: translateX(0) !important;
            }
            .sidebar-overlay {
                display: none !important;
            }
        }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-fade-in-delay {
            animation: fadeInUp 0.6s ease 0.15s forwards;
            opacity: 0;
        }
        .animate-fade-in-delay-2 {
            animation: fadeInUp 0.6s ease 0.3s forwards;
            opacity: 0;
        }

        /* ===== SELECTION ===== */
        .game-card .game-img-placeholder {
            width: 100%;
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-card));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.8rem;
            color: var(--text-muted);
        }

        /* ===== SIDEBAR SCROLL ===== */
        .app-sidebar .sidebar-nav-inner {
            flex: 1;
            overflow-y: auto;
        }

        /* ===== LINK RESET ===== */
        .text-white-link {
            color: var(--text-white);
        }
        .text-white-link:hover {
            color: var(--primary-light);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg-dark: #0f0e17;
            --bg-card: #1a1a2e;
            --bg-sidebar: #16213e;
            --bg-body: #0f0e17;
            --text-main: #e8e8f0;
            --text-muted: #9a9ab0;
            --text-light: #c0c0d0;
            --border-color: #2a2a4a;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-hover: 0 12px 48px rgba(108,92,231,0.2);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --sidebar-width: 260px;
        }

        /* ===== Reset & Base ===== */
        *, *::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(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); text-decoration: none; }
        img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
        button, input, textarea, select { font-family: inherit; }
        ul, ol { padding-left: 1.25rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: #fff; letter-spacing: -0.01em; }

        /* ===== Layout: App Shell ===== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .app-sidebar {
            width: var(--sidebar-width);
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1040;
            padding: 20px 16px;
            transition: var(--transition);
            overflow-y: auto;
        }
        .app-main {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .app-content {
            flex: 1;
            padding: 40px 32px 60px;
            max-width: 1100px;
            width: 100%;
            margin: 0 auto;
        }

        /* ===== Sidebar Brand ===== */
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 4px 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .brand-text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            margin-top: 2px;
        }

        /* ===== Sidebar Nav ===== */
        .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--text-muted);
            padding: 12px 8px 6px;
            font-weight: 600;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 2px;
        }
        .nav-item i { width: 20px; text-align: center; font-size: 16px; }
        .nav-item:hover {
            background: rgba(108,92,231,0.12);
            color: var(--text-light);
        }
        .nav-item.active {
            background: linear-gradient(135deg, rgba(108,92,231,0.2), rgba(253,121,168,0.08));
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .sidebar-footer {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== Container Custom ===== */
        .container-custom {
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Article Detail ===== */
        .article-header {
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--text-muted); }
        .article-breadcrumb a:hover { color: var(--primary-light); }
        .article-breadcrumb .sep { color: var(--border-color); }
        .article-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; color: var(--primary-light); }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-light);
        }
        .article-body p {
            margin-bottom: 1.5rem;
        }
        .article-body h2, .article-body h3 {
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-body h2 { font-size: 1.6rem; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body ul, .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        .article-body li { margin-bottom: 0.5rem; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            background: rgba(108,92,231,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-light);
        }
        .article-body a { color: var(--primary-light); text-decoration: underline; }
        .article-body a:hover { color: var(--secondary); }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }
        .article-body code {
            background: rgba(108,92,231,0.1);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }
        .article-body pre {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px;
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .article-body pre code { background: none; padding: 0; color: var(--text-light); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tag {
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(108,92,231,0.1);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .article-tag:hover {
            background: rgba(108,92,231,0.2);
            border-color: var(--primary);
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            color: var(--text-light);
            font-size: 14px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-nav a:hover {
            background: rgba(108,92,231,0.1);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .not-found-box .icon {
            font-size: 64px;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            transition: var(--transition);
            border: none;
        }
        .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: #fff;
        }

        /* ===== Footer ===== */
        .app-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 48px 32px 32px;
            margin-top: 60px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== Mobile Toggle ===== */
        .sidebar-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1050;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .sidebar-toggle:hover { background: var(--primary); border-color: var(--primary); }
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.6);
            z-index: 1035;
            backdrop-filter: blur(4px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .app-sidebar { width: 240px; padding: 16px 12px; }
            .app-content { padding: 32px 24px 48px; }
            .article-title { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            .app-sidebar.open { transform: translateX(0); }
            .app-main { margin-left: 0; }
            .app-content { padding: 24px 16px 40px; }
            .sidebar-toggle { display: flex; }
            .sidebar-overlay.show { display: block; }
            .article-title { font-size: 1.5rem; }
            .article-meta { gap: 12px; font-size: 13px; }
            .article-body { font-size: 0.98rem; }
            .article-nav { flex-direction: column; }
            .app-footer { padding: 32px 16px 24px; }
        }
        @media (max-width: 520px) {
            .app-content { padding: 16px 12px 32px; }
            .article-title { font-size: 1.3rem; }
            .article-header { margin-bottom: 20px; padding-bottom: 16px; }
            .article-meta { flex-direction: column; gap: 6px; align-items: flex-start; }
            .article-body { font-size: 0.92rem; }
            .not-found-box { padding: 40px 16px; }
            .not-found-box .icon { font-size: 48px; }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark); }
        ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #00cec9;
            --bg-dark: #0f0b1a;
            --bg-card: #1a1530;
            --bg-card-hover: #221d3a;
            --bg-section: #120e22;
            --bg-section-alt: #1a1530;
            --text-primary: #f0ecff;
            --text-secondary: #c8c0e8;
            --text-muted: #8a82b8;
            --border-color: rgba(108, 92, 231, 0.15);
            --border-active: rgba(108, 92, 231, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --sidebar-width: 260px;
            --header-height: 64px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::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: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-active);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

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

        /* ===== 左侧导航 ===== */
        .app-sidebar {
            width: var(--sidebar-width);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            background: linear-gradient(180deg, #110d22 0%, #0b0818 100%);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
            overflow-y: auto;
            overflow-x: hidden;
            padding: 0;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: 0.3px;
        }
        .brand-text small {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-top: 2px;
        }

        .sidebar-nav {
            padding: 16px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .nav-label {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--text-muted);
            padding: 12px 12px 6px;
            opacity: 0.7;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-item span {
            flex: 1;
        }
        .nav-item:hover {
            background: rgba(108, 92, 231, 0.08);
            color: var(--text-primary);
        }
        .nav-item:hover i {
            color: var(--primary-light);
        }
        .nav-item.active {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.18), rgba(108, 92, 231, 0.05));
            color: #fff;
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .nav-item.active i {
            color: var(--primary-light);
        }
        .nav-item:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        .sidebar-footer {
            padding: 16px 24px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }

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

        /* ===== 移动端顶部栏 ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-color);
            align-items: center;
            gap: 14px;
        }

        .mobile-topbar .hamburger {
            width: 40px;
            height: 40px;
            border: none;
            background: rgba(108, 92, 231, 0.12);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .mobile-topbar .hamburger:hover {
            background: rgba(108, 92, 231, 0.25);
        }
        .mobile-topbar .hamburger:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        .mobile-topbar .mobile-brand {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            line-height: 1.2;
        }
        .mobile-topbar .mobile-brand small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* ===== 导航遮罩 ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1045;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ===== Container ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Hero ===== */
        .guide-hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.06) 0%, rgba(253, 121, 168, 0.04) 100%);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .guide-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.06) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .guide-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, 0.12);
            border: 1px solid rgba(108, 92, 231, 0.2);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .guide-hero .hero-badge i {
            font-size: 14px;
        }
        .guide-hero h1 {
            font-size: 48px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.8px;
            line-height: 1.15;
            margin-bottom: 16px;
        }
        .guide-hero p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .guide-hero .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            letter-spacing: 0.2px;
            line-height: 1.2;
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
            color: #fff;
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(108, 92, 231, 0.3);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            background: rgba(108, 92, 231, 0.08);
            color: var(--text-primary);
        }
        .btn-outline-custom:active {
            background: rgba(108, 92, 231, 0.15);
        }
        .btn-sm-custom {
            padding: 10px 24px;
            font-size: 14px;
            gap: 8px;
        }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-active);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(108, 92, 231, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-light);
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .card-custom:hover .card-icon {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(108, 92, 231, 0.1));
            transform: scale(1.05);
        }
        .card-custom h5 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }
        .card-custom p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            background: rgba(108, 92, 231, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 14px;
            border: 1px solid rgba(108, 92, 231, 0.1);
        }

        /* ===== 游戏分类卡片 ===== */
        .game-category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            height: 100%;
            text-align: center;
            cursor: pointer;
        }
        .game-category-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-active);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .game-category-card .cat-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(253, 121, 168, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary-light);
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .game-category-card:hover .cat-icon {
            transform: scale(1.1);
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.25), rgba(253, 121, 168, 0.18));
        }
        .game-category-card h6 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .game-category-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 步骤 / 流程 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.25);
        }
        .step-content h5 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 统计数字 ===== */
        .stat-item {
            text-align: center;
            padding: 24px 16px;
        }
        .stat-number {
            font-size: 42px;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -1px;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-number .stat-suffix {
            font-size: 24px;
            font-weight: 600;
            color: var(--primary-light);
        }
        .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-active);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: -2px;
        }
        .faq-question .faq-toggle {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.08) 0%, rgba(253, 121, 168, 0.05) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 60px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .app-footer {
            background: linear-gradient(180deg, #0b0818 0%, #06040e 100%);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 32px;
            margin-top: auto;
        }
        .app-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .app-footer .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 320px;
        }
        .app-footer .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .app-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .app-footer .footer-links li {
            margin-bottom: 10px;
        }
        .app-footer .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }
        .app-footer .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .app-footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            margin-top: 32px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .app-footer .footer-bottom a {
            color: var(--text-muted);
        }
        .app-footer .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid var(--border-color);
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary-light);
            transition: var(--transition);
        }
        .badge-custom:hover {
            background: rgba(108, 92, 231, 0.18);
            border-color: var(--primary);
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 12px 0 24px;
        }
        .divider.center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 搜索框 ===== */
        .search-box {
            display: flex;
            max-width: 480px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 14px 20px;
            color: var(--text-primary);
            font-size: 15px;
            outline: none;
            min-width: 0;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            background: transparent;
            border: none;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 28px;
            }
            .guide-hero h1 {
                font-size: 36px;
            }
            .guide-hero {
                padding: 60px 0 40px;
            }
            .section-padding {
                padding: 60px 0;
            }
            .stat-number {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 280px;
            }

            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .app-sidebar.open {
                transform: translateX(0);
                box-shadow: var(--shadow-lg);
            }

            .main-content {
                margin-left: 0;
            }

            .mobile-topbar {
                display: flex;
            }

            .guide-hero h1 {
                font-size: 28px;
            }
            .guide-hero p {
                font-size: 16px;
            }

            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 15px;
            }
            .section-header {
                margin-bottom: 32px;
            }

            .container-custom {
                padding: 0 16px;
            }

            .section-padding {
                padding: 44px 0;
            }

            .btn-custom {
                padding: 12px 24px;
                font-size: 14px;
            }

            .stat-number {
                font-size: 28px;
            }
            .stat-item {
                padding: 16px 8px;
            }

            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }

            .app-footer {
                padding: 40px 0 24px;
            }
            .app-footer .footer-brand {
                font-size: 18px;
            }

            .step-item {
                gap: 14px;
                padding: 18px 0;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .step-content h5 {
                font-size: 16px;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-answer {
                font-size: 14px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

            .guide-hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .search-box {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .guide-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .card-custom h5 {
                font-size: 17px;
            }
            .game-category-card {
                padding: 18px 12px;
            }
            .game-category-card .cat-icon {
                width: 48px;
                height: 48px;
                font-size: 22px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-label {
                font-size: 13px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .btn-custom {
                padding: 10px 20px;
                font-size: 13px;
                gap: 6px;
            }
            .brand-text {
                font-size: 16px;
            }
            .mobile-topbar .mobile-brand {
                font-size: 15px;
            }
        }

        @media (min-width: 769px) {
            .app-sidebar {
                transform: translateX(0) !important;
            }
            .sidebar-overlay {
                display: none !important;
            }
        }

        /* ===== 辅助类 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bg-section-alt {
            background: var(--bg-section-alt);
        }

        .gap-grid {
            gap: 24px;
        }

        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 4px;
        }
        .mt-2 {
            margin-top: 8px;
        }
        .mt-3 {
            margin-top: 12px;
        }
        .mt-4 {
            margin-top: 24px;
        }
        .mt-5 {
            margin-top: 40px;
        }

        .fade-in {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-delay-1 {
            animation-delay: 0.1s;
        }
        .fade-in-delay-2 {
            animation-delay: 0.2s;
        }
        .fade-in-delay-3 {
            animation-delay: 0.3s;
        }
        .fade-in-delay-4 {
            animation-delay: 0.4s;
        }