/* roulang page: index */
/* ===== CSS Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #264653;
            --accent: #f4a261;
            --accent-glow: rgba(244, 162, 97, 0.3);
            --bg-dark: #0b0f1a;
            --bg-card: #111827;
            --bg-card-hover: #1a2235;
            --bg-section: #0f1625;
            --bg-light: #f8f9fa;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-dark: #0f172a;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(230, 57, 70, 0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 40px rgba(230,57,70,0.15);
            --shadow-dock: 0 4px 30px rgba(0,0,0,0.6);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-dark);
            overflow-x: hidden;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 6vw, 4rem); }
        h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: 1.15rem; }
        p { color: var(--text-secondary); margin-bottom: 0.5rem; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .container-sm { max-width: 900px; margin: 0 auto; padding: 0 24px; }
        .section-pad { padding: 80px 0; }
        .section-pad-sm { padding: 48px 0; }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark); }
        ::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 4px; }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            pointer-events: none;
            padding: 0 20px;
        }
        .dock-nav {
            pointer-events: all;
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 860px;
            width: 100%;
            padding: 10px 24px;
            background: rgba(15, 22, 37, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-radius: 60px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-dock), 0 0 40px rgba(230,57,70,0.08);
            transition: var(--transition);
        }
        .dock-nav:hover { border-color: rgba(230,57,70,0.25); box-shadow: var(--shadow-dock), 0 0 50px rgba(230,57,70,0.12); }
        .dock-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .dock-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 0 20px rgba(230,57,70,0.3);
        }
        .dock-logo span { background: linear-gradient(135deg, #fff 60%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .dock-links { display: flex; align-items: center; gap: 4px; }
        .dock-links a {
            padding: 8px 18px;
            border-radius: 40px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .dock-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
        .dock-links a.active {
            color: #fff;
            background: rgba(230,57,70,0.25);
            box-shadow: 0 0 20px rgba(230,57,70,0.15);
        }
        .dock-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .dock-cta .search-toggle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .dock-cta .search-toggle:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); border-color: var(--border-color); }
        .dock-cta .btn-primary {
            padding: 8px 22px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 20px rgba(230,57,70,0.3);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .dock-cta .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(230,57,70,0.4); }
        .mobile-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 70%);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 100% 60% at 50% 30%, rgba(230,57,70,0.08) 0%, transparent 70%),
                        radial-gradient(ellipse 80% 50% at 80% 80%, rgba(244,162,97,0.05) 0%, transparent 60%);
        }
        .hero-grid {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 120px 0 80px;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 40px;
            background: rgba(230,57,70,0.12);
            border: 1px solid rgba(230,57,70,0.2);
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }
        .hero-badge i { font-size: 0.7rem; }
        .hero h1 {
            max-width: 760px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #fff 50%, var(--accent) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }
        .hero p {
            max-width: 580px;
            margin: 0 auto 36px;
            font-size: 1.15rem;
            color: var(--text-secondary);
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-primary {
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.5px;
            box-shadow: 0 8px 32px rgba(230,57,70,0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-actions .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(230,57,70,0.45); }
        .hero-actions .btn-secondary {
            padding: 14px 36px;
            border-radius: 50px;
            background: rgba(255,255,255,0.06);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-actions .btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(230,57,70,0.3); transform: translateY(-3px); }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .hero-stat .num span { color: var(--primary-light); }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Section Common ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { max-width: 560px; margin: 0 auto; color: var(--text-muted); font-size: 1.05rem; }
        .section-label {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(230,57,70,0.1);
            border: 1px solid rgba(230,57,70,0.15);
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 600;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        /* ===== Features / Core Section ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover { background: var(--bg-card-hover); transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: rgba(230,57,70,0.2); }
        .feature-card:hover::before { opacity: 1; }
        .feature-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(230,57,70,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary-light);
            margin-bottom: 18px;
        }
        .feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
        .feature-card p { font-size: 0.92rem; color: var(--text-muted); margin: 0; }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: rgba(230,57,70,0.2); }
        .category-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--bg-card-hover);
        }
        .category-card .card-body { padding: 22px 24px 26px; }
        .category-card .card-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .category-card .card-body p { font-size: 0.88rem; color: var(--text-muted); margin: 0 0 14px; }
        .category-card .card-tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 40px;
            background: rgba(230,57,70,0.1);
            color: var(--primary-light);
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== Content / CMS List ===== */
        .content-list-section {
            background: var(--bg-section);
        }
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: rgba(230,57,70,0.15); }
        .content-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--bg-card-hover);
        }
        .content-card .card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .content-card .card-meta .cat {
            padding: 2px 12px;
            border-radius: 40px;
            background: rgba(230,57,70,0.1);
            color: var(--primary-light);
            font-weight: 600;
        }
        .content-card .card-body h3 { font-size: 1.05rem; margin-bottom: 8px; flex: 1; }
        .content-card .card-body h3 a { color: var(--text-primary); }
        .content-card .card-body h3 a:hover { color: var(--primary-light); }
        .content-card .card-body p { font-size: 0.88rem; color: var(--text-muted); margin: 0 0 14px; }
        .content-card .card-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
        }
        .empty-list {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
            font-size: 1.05rem;
        }
        .empty-list i { font-size: 2rem; margin-bottom: 12px; display: block; color: var(--text-muted); opacity: 0.4; }

        /* ===== Flow / Steps ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .flow-step {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .flow-step:hover { background: var(--bg-card-hover); transform: translateY(-4px); border-color: rgba(230,57,70,0.15); }
        .flow-step .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            margin: 0 auto 16px;
            box-shadow: 0 0 20px rgba(230,57,70,0.2);
        }
        .flow-step h4 { font-size: 1rem; margin-bottom: 8px; }
        .flow-step p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(230,57,70,0.15); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question i { color: var(--text-muted); transition: var(--transition); font-size: 0.85rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary-light); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 30% 50%, rgba(230,57,70,0.06) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 50%, rgba(244,162,97,0.04) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            background: linear-gradient(135deg, rgba(230,57,70,0.08), rgba(244,162,97,0.05));
            border: 1px solid rgba(230,57,70,0.15);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
        }
        .cta-box h2 { margin-bottom: 12px; }
        .cta-box p { max-width: 520px; margin: 0 auto 28px; color: var(--text-muted); }
        .cta-box .btn-primary {
            padding: 14px 40px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 32px rgba(230,57,70,0.3);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(230,57,70,0.4); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .dock-logo { margin-bottom: 12px; font-size: 1.1rem; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 300px; }
        .footer-col h4 { font-size: 0.9rem; margin-bottom: 14px; color: var(--text-primary); }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-socials a:hover { background: rgba(230,57,70,0.15); color: var(--primary-light); border-color: rgba(230,57,70,0.2); }

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

        @media (max-width: 820px) {
            .dock-links { display: none; }
            .mobile-toggle { display: flex; }
            .dock-nav { padding: 8px 16px; }
            .hero-content { padding: 100px 0 60px; }
            .hero-stats { gap: 24px; }
            .content-grid { grid-template-columns: 1fr; }
            .cta-box { padding: 40px 24px; }
            .section-pad { padding: 56px 0; }
        }

        @media (max-width: 600px) {
            .site-header { top: 12px; padding: 0 12px; }
            .dock-nav { padding: 6px 14px; border-radius: 40px; }
            .dock-logo { font-size: 1rem; }
            .dock-logo .logo-icon { width: 28px; height: 28px; font-size: 13px; }
            .dock-cta .btn-primary { padding: 6px 16px; font-size: 0.8rem; }
            .dock-cta .search-toggle { width: 32px; height: 32px; }
            .mobile-toggle { width: 32px; height: 32px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { padding: 10px 22px; font-size: 0.9rem; }
            .hero-stats { gap: 16px; }
            .hero-stat .num { font-size: 1.4rem; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .flow-steps { grid-template-columns: 1fr; }
            .section-title h2 { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-box h2 { font-size: 1.5rem; }
            .container { padding: 0 16px; }
            .section-pad { padding: 40px 0; }
            .faq-question { padding: 14px 18px; font-size: 0.92rem; }
            .faq-answer { font-size: 0.85rem; }
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(11, 15, 26, 0.98);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            border-left: 1px solid var(--border-color);
            z-index: 2000;
            padding: 80px 24px 32px;
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open { right: 0; }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1500;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.open { opacity: 1; pointer-events: all; }
        .mobile-drawer a {
            display: block;
            padding: 14px 18px;
            border-radius: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .mobile-drawer a:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
        .mobile-drawer a.active { background: rgba(230,57,70,0.12); color: var(--primary-light); border-color: rgba(230,57,70,0.15); }
        .drawer-close {
            position: absolute;
            top: 18px;
            right: 18px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .drawer-close:hover { background: rgba(255,255,255,0.12); color: var(--text-primary); }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-in { animation: fadeUp 0.6s ease forwards; }
        .animate-in:nth-child(2) { animation-delay: 0.1s; }
        .animate-in:nth-child(3) { animation-delay: 0.2s; }
        .animate-in:nth-child(4) { animation-delay: 0.3s; }
        .animate-in:nth-child(5) { animation-delay: 0.4s; }
        .animate-in:nth-child(6) { animation-delay: 0.5s; }

        /* ===== Misc ===== */
        .tag {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 40px;
            background: rgba(230,57,70,0.08);
            border: 1px solid rgba(230,57,70,0.12);
            font-size: 0.75rem;
            color: var(--primary-light);
            font-weight: 600;
        }
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #f0b90b;
            --primary-dark: #d4a309;
            --primary-light: #fce38a;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #e94560;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #22223a;
            --bg-section: #12121e;
            --text-light: #f5f5f5;
            --text-muted: #a0a0b8;
            --text-body: #e0e0e8;
            --border-color: #2a2a45;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --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(240, 185, 11, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 80px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-light);
            line-height: 1.3;
            font-weight: 700;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 24px;
            pointer-events: none;
        }
        .site-header * {
            pointer-events: auto;
        }
        .dock-nav {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 28px;
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border: 1px solid rgba(42, 42, 69, 0.6);
            border-radius: 60px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }
        .dock-nav:hover {
            border-color: rgba(240, 185, 11, 0.2);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), var(--shadow-glow);
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .dock-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            font-size: 15px;
            font-weight: 900;
            color: #0f0f1a;
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.3);
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            padding: 0 16px;
        }
        .dock-links a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .dock-links a:hover {
            color: var(--text-light);
            background: rgba(240, 185, 11, 0.08);
        }
        .dock-links a.active {
            color: #0f0f1a;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.35);
        }
        .dock-links a.active:hover {
            color: #0f0f1a;
            background: var(--primary-dark);
            box-shadow: 0 4px 20px rgba(240, 185, 11, 0.45);
        }

        .dock-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-toggle {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
            background: transparent;
        }
        .search-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            color: #0f0f1a;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.3);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 185, 11, 0.4);
            color: #0f0f1a;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary i {
            font-size: 14px;
        }

        .mobile-toggle {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
            background: transparent;
            font-size: 18px;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
        }

        /* ===== 移动端导航 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 15, 26, 0.98);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            z-index: 999;
            padding: 100px 32px 40px;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            gap: 8px;
            overflow-y: auto;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-menu.open {
            opacity: 1;
        }
        .mobile-menu a {
            display: block;
            width: 100%;
            max-width: 320px;
            padding: 16px 24px;
            text-align: center;
            border-radius: 16px;
            font-size: 18px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            background: transparent;
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-light);
        }
        .mobile-menu a.active {
            color: #0f0f1a;
            background: var(--primary);
            font-weight: 700;
            box-shadow: 0 4px 20px rgba(240, 185, 11, 0.3);
        }
        .mobile-menu .mobile-close {
            position: absolute;
            top: 24px;
            right: 28px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-muted);
            font-size: 22px;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }
        .mobile-menu .mobile-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
        }
        .mobile-menu .mobile-cta {
            margin-top: 20px;
            width: 100%;
            max-width: 320px;
        }
        .mobile-menu .mobile-cta .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 16px 24px;
            font-size: 16px;
        }

        @media (max-width: 900px) {
            .dock-links {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .dock-nav {
                padding: 10px 20px;
            }
            .dock-cta .btn-primary span {
                display: none;
            }
            .dock-cta .btn-primary i {
                margin-right: 0;
            }
            .dock-cta .btn-primary {
                padding: 10px 16px;
            }
            .dock-logo {
                font-size: 17px;
            }
            .dock-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .site-header {
                padding: 12px 12px;
            }
            .dock-nav {
                padding: 8px 14px;
                border-radius: 40px;
            }
            .dock-logo {
                font-size: 15px;
            }
            .dock-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 12px;
                border-radius: 8px;
            }
            .dock-cta .btn-primary {
                padding: 8px 12px;
                font-size: 13px;
            }
            .search-toggle {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .mobile-toggle {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

        /* ===== 页面主内容 ===== */
        .page-main {
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 60px;
        }

        /* ===== Banner 区域 ===== */
        .category-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 0%, rgba(26, 26, 46, 0.7) 100%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-banner h1 {
            font-size: 48px;
            font-weight: 900;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .category-banner h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-banner p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-banner .banner-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .category-banner .banner-tags .tag {
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            background: rgba(240, 185, 11, 0.1);
            border: 1px solid rgba(240, 185, 11, 0.2);
        }

        @media (max-width: 768px) {
            .category-banner {
                padding: 80px 0 60px;
                min-height: 300px;
            }
            .category-banner h1 {
                font-size: 32px;
            }
            .category-banner p {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner p {
                font-size: 14px;
            }
            .category-banner .banner-tags .tag {
                font-size: 12px;
                padding: 4px 14px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title h2 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-title p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            border-radius: 4px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 28px;
            }
            .section-title p {
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }
            .section-title h2 {
                font-size: 24px;
            }
        }

        /* ===== 登录方式卡片 ===== */
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .method-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px 32px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .method-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            opacity: 0;
            transition: var(--transition);
        }
        .method-card:hover {
            transform: translateY(-6px);
            border-color: rgba(240, 185, 11, 0.2);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .method-card:hover::before {
            opacity: 1;
        }
        .method-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: rgba(240, 185, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--primary);
            transition: var(--transition);
        }
        .method-card:hover .icon-wrap {
            background: rgba(240, 185, 11, 0.18);
            transform: scale(1.05);
        }
        .method-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .method-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .method-card .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: #0f0f1a;
            background: var(--primary);
        }
        .method-card .badge.hot {
            background: var(--accent);
            color: #fff;
        }
        .method-card .badge.new {
            background: #10b981;
            color: #fff;
        }

        @media (max-width: 900px) {
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .methods-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .method-card {
                padding: 28px 20px 24px;
            }
            .method-card h3 {
                font-size: 18px;
            }
        }

        /* ===== 详细步骤 ===== */
        .steps-section {
            background: var(--bg-section);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent 80%);
            opacity: 0.2;
            z-index: 0;
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            position: relative;
            z-index: 1;
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            border-color: rgba(240, 185, 11, 0.15);
            box-shadow: var(--shadow-md);
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #0f0f1a;
            font-size: 20px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.25);
        }
        .step-item h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .steps-grid::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .step-item {
                padding: 24px 18px 20px;
            }
            .step-item h4 {
                font-size: 16px;
            }
        }

        /* ===== 技巧与提示 ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .tip-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .tip-card:hover {
            border-color: rgba(240, 185, 11, 0.15);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tip-card .tip-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(240, 185, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .tip-card .tip-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .tip-card .tip-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tip-card {
                padding: 20px 18px;
            }
        }

        /* ===== 常见问题 FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 185, 11, 0.1);
        }
        .faq-item .faq-q {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
            user-select: none;
            gap: 12px;
        }
        .faq-item .faq-q:hover {
            color: var(--primary);
        }
        .faq-item .faq-q .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(240, 185, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item.active .faq-q .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #0f0f1a;
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 520px) {
            .faq-item .faq-q {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item .faq-a {
                padding: 0 18px;
                font-size: 13px;
            }
            .faq-item.active .faq-a {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            padding: 14px 36px;
            font-size: 16px;
        }
        .cta-section .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
            cursor: pointer;
        }
        .cta-section .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(240, 185, 11, 0.3);
            color: var(--primary);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section .container {
                padding: 56px 16px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 16px;
            }
            .cta-section .btn-primary,
            .cta-section .btn-secondary {
                padding: 12px 28px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0a0a14;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(42, 42, 69, 0.5);
        }
        .footer-brand .dock-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: rgba(240, 185, 11, 0.15);
            color: var(--primary);
            transform: translateY(-2px);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        /* ===== 额外工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 图片样式 ===== */
        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .img-rounded {
            border-radius: var(--radius-md);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 768px) {
            .page-main {
                padding-top: calc(var(--header-height) + 20px);
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e8491d;
            --primary-dark: #c73a12;
            --primary-light: #ff6b3d;
            --secondary: #0f0f1a;
            --secondary-light: #1a1a2e;
            --accent: #f7c948;
            --accent-dark: #e0b230;
            --dark-bg: #0a0a14;
            --dark-surface: #13132a;
            --light-bg: #f5f5f8;
            --card-bg: #ffffff;
            --text-light: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #6b7280;
            --text-soft: #9ca3af;
            --border: #e5e7eb;
            --border-dark: #2a2a4a;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 30px rgba(232, 73, 29, 0.15);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
            --container: 1200px;
            --header-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--light-bg);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-dark);
        }
        h1 {
            font-size: 2.4rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-muted);
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 12px auto 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mt-3 {
            margin-top: 36px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .mb-2 {
            margin-bottom: 24px;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(232, 73, 29, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 73, 29, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 73, 29, 0.2);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--primary);
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--secondary-light);
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: #252550;
            transform: translateY(-2px);
        }

        /* ===== Tags / Badges ===== */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 50px;
            background: rgba(232, 73, 29, 0.08);
            color: var(--primary);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .tag-accent {
            background: rgba(247, 201, 72, 0.15);
            color: #b8860b;
        }
        .tag-accent:hover {
            background: var(--accent);
            color: #1a1a2e;
        }
        .badge {
            display: inline-block;
            padding: 2px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
        }
        .badge-secondary {
            background: var(--secondary-light);
            color: var(--text-light);
        }

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 24px;
            background: transparent;
            pointer-events: none;
        }
        .site-header .dock-nav {
            pointer-events: auto;
        }
        .dock-nav {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            background: rgba(15, 15, 26, 0.88);
            backdrop-filter: blur(16px) saturate(1.4);
            -webkit-backdrop-filter: blur(16px) saturate(1.4);
            border-radius: 60px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .dock-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0;
            box-shadow: 0 4px 12px rgba(232, 73, 29, 0.3);
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .dock-links a {
            padding: 6px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
        }
        .dock-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .dock-links a.active {
            color: #fff;
            background: rgba(232, 73, 29, 0.2);
            box-shadow: inset 0 0 0 1px rgba(232, 73, 29, 0.15);
        }
        .dock-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .dock-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .dock-cta .search-toggle {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            border-radius: 50%;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .dock-cta .search-toggle:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .dock-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.85rem;
            border-radius: 40px;
        }
        .dock-cta .mobile-toggle {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.2rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 140px 0 48px;
            background: var(--dark-bg);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 20%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 20, 0.3) 0%, rgba(10, 10, 20, 0.85) 70%, var(--dark-bg) 100%);
            z-index: 1;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(232, 73, 29, 0.08) 0%, transparent 70%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            margin-bottom: 16px;
        }
        .article-hero .hero-meta .category-badge {
            padding: 4px 18px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .article-hero .hero-meta .date {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .hero-meta .date i {
            font-size: 0.8rem;
        }
        .article-hero .hero-meta .read-time {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            max-width: 900px;
            line-height: 1.2;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            letter-spacing: -0.5px;
        }
        .article-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin-top: 16px;
            line-height: 1.6;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0 40px;
            background: var(--light-bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .article-body .article-info-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }
        .article-body .article-info-bar .info-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .article-body .article-info-bar .info-item i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .article-body .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-dark);
        }
        .article-body .article-content p {
            margin-bottom: 1.2rem;
            color: var(--text-dark);
        }
        .article-body .article-content h2,
        .article-body .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        .article-body .article-content ul,
        .article-body .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-body .article-content ul li {
            list-style: disc;
            margin-bottom: 0.4rem;
            color: var(--text-dark);
        }
        .article-body .article-content ol li {
            list-style: decimal;
            margin-bottom: 0.4rem;
            color: var(--text-dark);
        }
        .article-body .article-content img {
            border-radius: var(--radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .article-body .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 12px 20px;
            margin: 1.2rem 0;
            background: rgba(232, 73, 29, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-dark);
            font-style: italic;
        }
        .article-body .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .article-content a:hover {
            color: var(--primary-dark);
        }
        .article-body .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            margin-top: 32px;
        }
        .article-body .article-tags .tag {
            background: var(--light-bg);
            color: var(--text-muted);
            border: 1px solid var(--border);
        }
        .article-body .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .article-body .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            margin-top: 20px;
        }
        .article-body .article-share span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-body .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--light-bg);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-body .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        .sidebar-card .quick-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .sidebar-card .quick-links a:last-child {
            border-bottom: none;
        }
        .sidebar-card .quick-links a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .sidebar-card .quick-links a i {
            color: var(--primary);
            font-size: 0.8rem;
            width: 18px;
        }
        .sidebar-cta {
            background: var(--secondary);
            border-color: var(--border-dark);
            text-align: center;
            padding: 32px 24px;
        }
        .sidebar-cta h3 {
            color: var(--text-light);
            border-bottom-color: var(--primary);
        }
        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .sidebar-cta .btn-primary {
            width: 100%;
            justify-content: center;
        }

        /* ===== Related / CTA ===== */
        .related-section {
            padding: 60px 0;
            background: var(--card-bg);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--light-bg);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(232, 73, 29, 0.15);
        }
        .related-card .rc-img {
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--border);
            position: relative;
        }
        .related-card .rc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .rc-img img {
            transform: scale(1.04);
        }
        .related-card .rc-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card h4 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .related-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            flex: 1;
        }
        .related-card .rc-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 0.8rem;
            color: var(--text-soft);
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            padding: 80px 0;
            background: var(--dark-bg);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 20, 0.85) 0%, rgba(15, 15, 26, 0.7) 100%);
            z-index: 1;
        }
        .cta-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-banner h2 {
            font-size: 2.4rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-banner .btn-primary {
            padding: 14px 40px;
            font-size: 1.1rem;
        }

        /* ===== Not Found ===== */
        .not-found-block {
            text-align: center;
            padding: 100px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .not-found-block .nf-icon {
            font-size: 4rem;
            color: var(--text-soft);
            margin-bottom: 24px;
        }
        .not-found-block h2 {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .not-found-block p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand .dock-logo {
            margin-bottom: 16px;
            color: #fff;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 24px 0 32px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-socials {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-socials a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: rgba(255, 255, 255, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            font-size: 1rem;
        }
        .site-footer .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .dock-nav {
                padding: 6px 14px;
                border-radius: 40px;
            }
            .dock-links {
                display: none;
            }
            .dock-cta .mobile-toggle {
                display: flex;
            }
            .dock-cta .btn-primary span {
                display: none;
            }
            .dock-cta .btn-primary i {
                margin-right: 0;
            }
            .dock-cta .btn-primary {
                padding: 8px 14px;
            }
            .dock-logo span:not(.logo-icon) {
                font-size: 0.95rem;
            }
            .article-hero {
                min-height: 320px;
                padding: 120px 0 32px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero .hero-desc {
                font-size: 0.95rem;
            }
            .article-body {
                padding: 24px 20px;
            }
            .article-body .article-content {
                font-size: 1rem;
            }
            .article-section {
                padding: 40px 0 24px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner h2 {
                font-size: 1.8rem;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .dock-nav {
                padding: 4px 10px;
                border-radius: 32px;
            }
            .dock-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: 8px;
            }
            .dock-logo span:not(.logo-icon) {
                font-size: 0.85rem;
            }
            .dock-cta .search-toggle {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .dock-cta .btn-primary {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .dock-cta .mobile-toggle {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-hero .hero-meta .category-badge {
                font-size: 0.7rem;
                padding: 2px 12px;
            }
            .article-body {
                padding: 16px 14px;
                border-radius: var(--radius);
            }
            .article-body .article-info-bar {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
            .related-card {
                padding: 14px;
            }
            .cta-banner {
                padding: 48px 0;
            }
            .cta-banner h2 {
                font-size: 1.4rem;
            }
            .cta-banner .btn-primary {
                padding: 10px 24px;
                font-size: 0.95rem;
            }
        }

        /* ===== Mobile Menu Overlay ===== */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 10, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            padding: 80px 24px 40px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-menu-overlay.open {
            display: flex;
            opacity: 1;
        }
        .mobile-menu-overlay a {
            font-size: 1.4rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            width: 100%;
            text-align: center;
            transition: var(--transition);
        }
        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            color: var(--primary);
        }
        .mobile-menu-overlay .close-btn {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu-overlay .close-btn:hover {
            background: rgba(232, 73, 29, 0.2);
        }