/* roulang page: index */
:root {
            --color-neon-cyan: #00f0d4;
            --color-neon-purple: #b347ea;
            --color-neon-pink: #ff2d78;
            --color-dark-bg: #0a0e17;
            --color-panel: #111827;
            --color-card: #1a1f2e;
            --color-border: #1e293b;
            --color-muted: #64748b;
            --color-light: #e2e8f0;
            --color-white: #f8fafc;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 0 1px rgba(0, 240, 212, 0.25), 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 0 2px rgba(0, 240, 212, 0.45), 0 16px 48px rgba(0, 0, 0, 0.55);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: #e2e8f0;
            background-color: #0a0e17;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
        }

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

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(30, 41, 59, 0.7);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            border-bottom-color: rgba(0, 240, 212, 0.25);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.3rem;
            letter-spacing: 0.02em;
            color: #f8fafc;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-neon-cyan);
        }

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, #00f0d4, #0ea5e9);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: #0a0e17;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(0, 240, 212, 0.3);
        }

        .nav-link {
            font-size: 0.925rem;
            font-weight: 500;
            color: #cbd5e1;
            padding: 0.5rem 0.75rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #f8fafc;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--color-neon-cyan);
            background: rgba(0, 240, 212, 0.08);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-neon-cyan);
            border-radius: 1px;
            box-shadow: 0 0 8px rgba(0, 240, 212, 0.6);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.25rem;
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: 2rem;
            background: linear-gradient(135deg, #00f0d4, #0ea5e9);
            color: #0a0e17;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 0 18px rgba(0, 240, 212, 0.25);
        }

        .nav-cta-btn:hover {
            box-shadow: 0 0 30px rgba(0, 240, 212, 0.45);
            transform: translateY(-1px);
        }

        .nav-search-wrap {
            position: relative;
        }

        .nav-search-input {
            width: 180px;
            padding: 0.5rem 1rem 0.5rem 2.25rem;
            font-size: 0.85rem;
            border-radius: 2rem;
            border: 1px solid rgba(30, 41, 59, 0.8);
            background: rgba(17, 24, 39, 0.7);
            color: #e2e8f0;
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search-input:focus {
            border-color: var(--color-neon-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 212, 0.2);
            width: 220px;
            background: rgba(17, 24, 39, 0.95);
        }

        .nav-search-input::placeholder {
            color: #64748b;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #e2e8f0;
            font-size: 1.5rem;
            padding: 0.25rem;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 1023px) {
            .nav-desktop-links {
                display: none !important;
            }
            .nav-desktop-actions {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search-input {
                width: 140px;
            }
            .nav-search-input:focus {
                width: 160px;
            }
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
            .mobile-menu-panel {
                display: none !important;
            }
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background: rgba(17, 24, 39, 0.98);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            z-index: 1100;
            flex-direction: column;
            padding: 1.5rem;
            gap: 0.5rem;
            border-left: 1px solid rgba(30, 41, 59, 0.8);
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.6);
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            display: flex;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1050;
        }

        .mobile-menu-overlay.open {
            display: block;
        }

        .mobile-nav-link {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: #cbd5e1;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: #f8fafc;
            background: rgba(0, 240, 212, 0.1);
        }

        .mobile-nav-link.active {
            color: var(--color-neon-cyan);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: #0a0e17;
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.15) 100%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.15) 100%);
        }

        .hero-overlay-grid {
            position: absolute;
            inset: 0;
            z-index: 1;
            background:
                radial-gradient(ellipse at 30% 40%, rgba(0, 240, 212, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(179, 71, 234, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(255, 45, 120, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 5rem 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 2rem;
            border: 1px solid rgba(0, 240, 212, 0.35);
            background: rgba(0, 240, 212, 0.07);
            color: #00f0d4;
            letter-spacing: 0.03em;
        }

        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #00f0d4;
            animation: pulseNeon 2.5s ease-in-out infinite;
            display: inline-block;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.01em;
            color: #f8fafc;
            margin: 0 0 1.25rem;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #00f0d4, #0ea5e9);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 600px;
            margin: 0 0 2rem;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #f8fafc;
            line-height: 1;
        }

        .hero-stat-value .suffix {
            font-size: 1rem;
            color: #00f0d4;
            margin-left: 2px;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 0.35rem;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 2.5rem;
            background: linear-gradient(135deg, #00f0d4, #0ea5e9);
            color: #0a0e17;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 22px rgba(0, 240, 212, 0.3);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            box-shadow: 0 0 38px rgba(0, 240, 212, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(0, 240, 212, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 2.5rem;
            background: transparent;
            color: #f8fafc;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .btn-outline:hover {
            border-color: rgba(0, 240, 212, 0.6);
            color: #00f0d4;
            box-shadow: 0 0 20px rgba(0, 240, 212, 0.15);
        }

        /* 板块通用 */
        .section-block {
            padding: 5rem 0;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 3rem 0;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-content {
                padding: 3.5rem 0;
            }
            .hero-stats-row {
                gap: 1.25rem;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #00f0d4;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: #f8fafc;
            margin: 0 0 1rem;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1rem;
            color: #94a3b8;
            max-width: 650px;
            line-height: 1.8;
        }

        /* 特色卡片 */
        .feature-card {
            background: #1a1f2e;
            border: 1px solid rgba(30, 41, 59, 0.7);
            border-radius: 1rem;
            padding: 1.75rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 212, 0.4), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .feature-card:hover {
            border-color: rgba(0, 240, 212, 0.35);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

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

        .feature-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }

        .feature-card-icon.cyan {
            background: rgba(0, 240, 212, 0.12);
            color: #00f0d4;
        }

        .feature-card-icon.purple {
            background: rgba(179, 71, 234, 0.12);
            color: #b347ea;
        }

        .feature-card-icon.pink {
            background: rgba(255, 45, 120, 0.12);
            color: #ff2d78;
        }

        .feature-card-icon.blue {
            background: rgba(59, 130, 246, 0.12);
            color: #3b82f6;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #f8fafc;
            margin: 0 0 0.5rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: #94a3b8;
            margin: 0;
            line-height: 1.65;
        }

        /* 赛事卡片 */
        .event-card {
            background: #1a1f2e;
            border: 1px solid rgba(30, 41, 59, 0.7);
            border-radius: 1rem;
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .event-card:hover {
            border-color: rgba(0, 240, 212, 0.35);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .event-card-body {
            padding: 1.25rem;
        }

        .event-card-tag {
            display: inline-block;
            padding: 0.2rem 0.65rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 1rem;
            background: rgba(0, 240, 212, 0.1);
            color: #00f0d4;
            margin-bottom: 0.65rem;
        }

        .event-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #f8fafc;
            margin: 0 0 0.4rem;
            line-height: 1.4;
        }

        .event-card p {
            font-size: 0.85rem;
            color: #94a3b8;
            margin: 0;
            line-height: 1.5;
        }

        /* 数据面板 */
        .stats-panel {
            background: linear-gradient(135deg, #111827 0%, #1a1f2e 100%);
            border: 1px solid rgba(30, 41, 59, 0.7);
            border-radius: 1.25rem;
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .stats-panel::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 212, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .stat-big-number {
            font-size: 3rem;
            font-weight: 900;
            color: #f8fafc;
            line-height: 1;
        }

        .stat-big-number .unit {
            font-size: 1.2rem;
            color: #00f0d4;
            font-weight: 700;
            margin-left: 2px;
        }

        /* CMS 列表卡片 */
        .cms-list-card {
            background: #1a1f2e;
            border: 1px solid rgba(30, 41, 59, 0.7);
            border-radius: 0.85rem;
            padding: 1.25rem 1.5rem;
            transition: all var(--transition-smooth);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .cms-list-card:hover {
            border-color: rgba(0, 240, 212, 0.3);
            box-shadow: var(--shadow-card-hover);
        }

        .cms-list-card .cms-date-badge {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 0.65rem;
            background: rgba(0, 240, 212, 0.08);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #00f0d4;
            font-size: 0.75rem;
            line-height: 1.2;
        }

        .cms-list-card .cms-date-badge .day {
            font-size: 1.2rem;
            font-weight: 800;
            color: #f8fafc;
        }

        .cms-list-card .cms-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #f8fafc;
            margin: 0 0 0.35rem;
            line-height: 1.4;
        }

        .cms-list-card .cms-info p {
            font-size: 0.85rem;
            color: #94a3b8;
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-list-card .cms-category-tag {
            display: inline-block;
            padding: 0.15rem 0.55rem;
            font-size: 0.7rem;
            font-weight: 600;
            border-radius: 1rem;
            background: rgba(179, 71, 234, 0.12);
            color: #b347ea;
            margin-top: 0.4rem;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(30, 41, 59, 0.7);
            border-radius: 0.85rem;
            overflow: hidden;
            background: #1a1f2e;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 212, 0.25);
        }

        .faq-question {
            width: 100%;
            padding: 1.15rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: #f8fafc;
            background: transparent;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
            border: none;
            outline: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: #00f0d4;
        }

        .faq-answer {
            padding: 0 1.5rem 1.15rem;
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question {
            color: #00f0d4;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: #64748b;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: #00f0d4;
        }

        /* CTA */
        .cta-section {
            position: relative;
            overflow: hidden;
            background: #111827;
            border-radius: 1.5rem;
            border: 1px solid rgba(30, 41, 59, 0.7);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 212, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(179, 71, 234, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        /* 页脚 */
        .site-footer {
            background: #0a0e17;
            border-top: 1px solid rgba(30, 41, 59, 0.6);
            padding: 3rem 0 2rem;
        }

        .footer-logo {
            font-weight: 700;
            font-size: 1.2rem;
            color: #f8fafc;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-link {
            font-size: 0.875rem;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .footer-link:hover {
            color: #00f0d4;
        }

        /* 响应式补充 */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.65rem 1.4rem;
                font-size: 0.9rem;
            }
            .stats-panel {
                padding: 1.5rem;
            }
            .stat-big-number {
                font-size: 2rem;
            }
            .cms-list-card {
                flex-direction: column;
                gap: 0.75rem;
            }
            .cms-list-card .cms-date-badge {
                width: 44px;
                height: 44px;
                font-size: 0.7rem;
            }
            .cms-list-card .cms-date-badge .day {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-stats-row {
                flex-direction: column;
                gap: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .feature-card {
                padding: 1.25rem;
            }
            .event-card-img {
                height: 160px;
            }
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --color-bg-primary: #060b14;
            --color-bg-secondary: #0a101f;
            --color-bg-card: #0e1628;
            --color-bg-card-hover: #111b2e;
            --color-bg-elevated: #141e35;
            --color-text-primary: #e8edf5;
            --color-text-secondary: #b0bad0;
            --color-text-muted: #6b7894;
            --color-text-weak: #4a5570;
            --color-accent-cyan: #00f0d4;
            --color-accent-blue: #3b82f6;
            --color-accent-purple: #8b5cf6;
            --color-accent-pink: #ec4899;
            --color-border: rgba(59, 130, 246, 0.15);
            --color-border-strong: rgba(59, 130, 246, 0.3);
            --color-border-card: rgba(30, 50, 80, 0.6);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.45);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.55);
            --shadow-glow-cyan: 0 0 20px rgba(0,240,212,0.15);
            --shadow-glow-blue: 0 0 24px rgba(59,130,246,0.2);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* ========== 导航 Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 16, 31, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            background: rgba(10, 16, 31, 0.95);
            box-shadow: 0 2px 20px rgba(0,0,0,0.5);
            border-bottom-color: var(--color-border-strong);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-blue));
            color: #060b14;
            font-weight: 900;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 14px rgba(0,240,212,0.3);
        }
        .nav-desktop-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }
        .nav-link {
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-text-primary);
            background: rgba(59, 130, 246, 0.08);
        }
        .nav-link.active {
            color: var(--color-accent-cyan);
            background: rgba(0, 240, 212, 0.08);
            box-shadow: 0 0 0 1px rgba(0,240,212,0.2) inset;
        }
        .nav-desktop-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .nav-search-wrap {
            position: relative;
        }
        .nav-search-input {
            width: 180px;
            padding: 0.5rem 0.85rem 0.5rem 2.3rem;
            background: rgba(20, 30, 50, 0.7);
            border: 1px solid var(--color-border-card);
            border-radius: 2rem;
            color: var(--color-text-primary);
            font-size: 0.82rem;
            transition: all var(--transition-fast);
        }
        .nav-search-input::placeholder {
            color: var(--color-text-weak);
        }
        .nav-search-input:focus {
            border-color: var(--color-accent-cyan);
            box-shadow: 0 0 0 3px rgba(0,240,212,0.1);
            width: 220px;
            background: rgba(20, 30, 50, 0.95);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            background: linear-gradient(135deg, var(--color-accent-cyan), #0ea5e9);
            color: #060b14;
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: 2rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(0,240,212,0.25);
        }
        .nav-cta-btn:hover {
            box-shadow: 0 4px 22px rgba(0,240,212,0.4);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            color: var(--color-text-primary);
            font-size: 1.35rem;
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255,255,255,0.05);
        }

        /* ========== 移动端菜单面板 ========== */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(0,0,0,0.7);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-normal);
        }
        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            z-index: 210;
            background: var(--color-bg-secondary);
            border-left: 1px solid var(--color-border);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            transition: right var(--transition-slow);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-close {
            align-self: flex-end;
            background: none;
            color: var(--color-text-secondary);
            font-size: 1.3rem;
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-menu-close:hover {
            color: var(--color-text-primary);
            background: rgba(255,255,255,0.05);
        }
        .mobile-nav-link {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--color-accent-cyan);
            background: rgba(0,240,212,0.06);
        }
        .mobile-nav-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 1.5rem;
            background: linear-gradient(135deg, var(--color-accent-cyan), #0ea5e9);
            color: #060b14;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 2rem;
            text-align: center;
            box-shadow: 0 2px 14px rgba(0,240,212,0.3);
            transition: all var(--transition-fast);
        }
        .mobile-nav-cta:hover {
            box-shadow: 0 4px 24px rgba(0,240,212,0.45);
        }

        /* ========== 文章页面主体 ========== */
        .article-page-main {
            padding-top: 1.5rem;
            padding-bottom: 3rem;
            min-height: 60vh;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 1.5rem;
            padding: 0.6rem 0;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent-cyan);
        }
        .breadcrumb .separator {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-text-secondary);
            font-weight: 500;
            pointer-events: none;
        }
        .article-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-blue), var(--color-accent-purple));
            opacity: 0.7;
        }
        .article-featured-image {
            width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 1.75rem;
            box-shadow: var(--shadow-md);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            max-height: 480px;
            border-radius: var(--radius-lg);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.25rem;
            font-size: 0.84rem;
            color: var(--color-text-muted);
        }
        .article-meta .meta-category {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.8rem;
            background: rgba(0, 240, 212, 0.08);
            color: var(--color-accent-cyan);
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.78rem;
            border: 1px solid rgba(0, 240, 212, 0.2);
            transition: all var(--transition-fast);
        }
        .article-meta .meta-category:hover {
            background: rgba(0, 240, 212, 0.14);
            border-color: rgba(0, 240, 212, 0.35);
        }
        .article-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--color-text-weak);
        }
        .article-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-primary);
            line-height: 1.35;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .article-body {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.85;
            word-break: break-word;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-top: 2.25rem;
            margin-bottom: 0.9rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--color-border-card);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-top: 1.75rem;
            margin-bottom: 0.7rem;
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-top: 1.5rem;
            margin-bottom: 0.6rem;
        }
        .article-body p {
            margin-bottom: 1.1rem;
        }
        .article-body a {
            color: var(--color-accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }
        .article-body a:hover {
            color: #5cf5e4;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.1rem;
            padding-left: 1.6rem;
        }
        .article-body ul {
            list-style-type: disc;
        }
        .article-body ol {
            list-style-type: decimal;
        }
        .article-body li {
            margin-bottom: 0.4rem;
            color: var(--color-text-secondary);
        }
        .article-body blockquote {
            border-left: 3px solid var(--color-accent-cyan);
            background: rgba(0, 240, 212, 0.04);
            padding: 1rem 1.25rem;
            margin: 1.25rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem auto;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.25rem 0;
            font-size: 0.9rem;
            overflow-x: auto;
            display: block;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--color-border-card);
            padding: 0.65rem 0.9rem;
            text-align: left;
        }
        .article-body th {
            background: var(--color-bg-elevated);
            color: var(--color-text-primary);
            font-weight: 600;
        }
        .article-body code {
            background: var(--color-bg-elevated);
            padding: 0.15rem 0.4rem;
            border-radius: 3px;
            font-size: 0.88em;
            color: var(--color-accent-pink);
            border: 1px solid var(--color-border-card);
        }
        .article-body pre {
            background: var(--color-bg-elevated);
            padding: 1rem 1.25rem;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.25rem 0;
            border: 1px solid var(--color-border-card);
        }
        .article-body pre code {
            background: none;
            border: none;
            padding: 0;
            color: var(--color-text-secondary);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--color-border-card);
            margin: 2rem 0;
        }
        .article-body strong {
            color: var(--color-text-primary);
            font-weight: 700;
        }

        /* ========== 内容未找到状态 ========== */
        .not-found-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-xl);
            padding: 3.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .not-found-icon {
            font-size: 3.5rem;
            color: var(--color-text-weak);
            margin-bottom: 1rem;
        }
        .not-found-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.6rem;
        }
        .not-found-desc {
            color: var(--color-text-muted);
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: linear-gradient(135deg, var(--color-accent-cyan), #0ea5e9);
            color: #060b14;
            font-weight: 700;
            border-radius: 2rem;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 14px rgba(0,240,212,0.25);
        }
        .btn-back-home:hover {
            box-shadow: 0 4px 24px rgba(0,240,212,0.4);
            transform: translateY(-1px);
        }

        /* ========== CTA 区块 ========== */
        .article-cta-section {
            margin-top: 2.5rem;
            background: linear-gradient(135deg, rgba(0,240,212,0.05), rgba(59,130,246,0.06));
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 2.25rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .article-cta-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }
        .article-cta-section p {
            color: var(--color-text-muted);
            margin-bottom: 1.25rem;
            font-size: 0.92rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            background: linear-gradient(135deg, var(--color-accent-cyan), #0ea5e9);
            color: #060b14;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 2rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 14px rgba(0,240,212,0.25);
        }
        .btn-cta-primary:hover {
            box-shadow: 0 4px 24px rgba(0,240,212,0.4);
            transform: translateY(-1px);
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            background: transparent;
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 2rem;
            border: 1px solid var(--color-border-strong);
            transition: all var(--transition-fast);
        }
        .btn-cta-secondary:hover {
            border-color: var(--color-accent-cyan);
            color: var(--color-accent-cyan);
            background: rgba(0,240,212,0.04);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-primary);
        }
        .footer-link {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            cursor: pointer;
            display: inline-block;
        }
        .footer-link:hover {
            color: var(--color-accent-cyan);
        }
        a.footer-link {
            text-decoration: none;
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            .nav-desktop-links {
                gap: 0.1rem;
            }
            .nav-link {
                padding: 0.45rem 0.7rem;
                font-size: 0.82rem;
            }
            .nav-search-input {
                width: 140px;
            }
            .nav-search-input:focus {
                width: 170px;
            }
            .article-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop-links,
            .nav-desktop-actions {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .article-card {
                padding: 1.5rem 1rem;
                border-radius: var(--radius-lg);
            }
            .article-title {
                font-size: 1.4rem;
            }
            .article-body {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.08rem;
            }
            .article-meta {
                gap: 0.6rem;
                font-size: 0.78rem;
            }
            .article-cta-section {
                padding: 1.75rem 1rem;
            }
            .article-cta-section h3 {
                font-size: 1.1rem;
            }
            .breadcrumb {
                font-size: 0.76rem;
            }
            .article-featured-image img {
                max-height: 280px;
            }
        }
        @media (max-width: 520px) {
            .article-card {
                padding: 1.2rem 0.85rem;
                border-radius: var(--radius-md);
            }
            .article-title {
                font-size: 1.2rem;
            }
            .article-body {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .article-body h2 {
                font-size: 1.1rem;
            }
            .article-body h3 {
                font-size: 1rem;
            }
            .article-cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                width: 100%;
                justify-content: center;
            }
            .not-found-card {
                padding: 2.5rem 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg-primary: #0a0e17;
            --color-bg-secondary: #0f1623;
            --color-bg-card: #141c2b;
            --color-bg-card-hover: #1a2332;
            --color-border: rgba(51, 65, 85, 0.5);
            --color-border-light: rgba(71, 85, 105, 0.35);
            --color-text-primary: #f1f5f9;
            --color-text-secondary: #cbd5e1;
            --color-text-muted: #94a3b8;
            --color-text-weak: #64748b;
            --color-accent-blue: #4dabf7;
            --color-accent-purple: #9775fa;
            --color-accent-gold: #fcc419;
            --color-accent-cyan: #22b8cf;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-bg-primary);
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== 导航样式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(30, 41, 59, 0.55);
            transition: box-shadow var(--transition-smooth), background var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            background: rgba(10, 14, 23, 0.95);
            border-bottom-color: rgba(51, 65, 85, 0.6);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: #f8fafc;
            letter-spacing: -0.01em;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #4dabf7 0%, #9775fa 100%);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 0 20px rgba(77, 171, 247, 0.3);
        }

        .nav-desktop-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: #cbd5e1;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #f1f5f9;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: #f8fafc;
            font-weight: 600;
            background: rgba(77, 171, 247, 0.12);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-accent-blue);
            border-radius: 4px;
            box-shadow: 0 0 8px rgba(77, 171, 247, 0.6);
        }

        .nav-desktop-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

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

        .nav-search-input {
            width: 180px;
            padding: 0.55rem 0.9rem 0.55rem 2.4rem;
            border-radius: 9999px;
            border: 1px solid rgba(51, 65, 85, 0.5);
            background: rgba(20, 28, 43, 0.7);
            color: #e2e8f0;
            font-size: 0.82rem;
            transition: all var(--transition-fast);
        }

        .nav-search-input::placeholder {
            color: #64748b;
        }

        .nav-search-input:focus {
            border-color: rgba(77, 171, 247, 0.55);
            box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.1);
            width: 220px;
            background: rgba(20, 28, 43, 0.95);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.25rem;
            border-radius: 9999px;
            background: linear-gradient(135deg, #4dabf7 0%, #748ffc 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(77, 171, 247, 0.3);
        }

        .nav-cta-btn:hover {
            box-shadow: 0 4px 22px rgba(77, 171, 247, 0.5);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(77, 171, 247, 0.25);
        }

        .mobile-menu-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.7rem;
            color: #e2e8f0;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }

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

        /* 移动端菜单面板 */
        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            height: 100dvh;
            background: #0f1623;
            z-index: 2000;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            transform: translateX(0);
        }

        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 1999;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-close {
            align-self: flex-end;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            color: #e2e8f0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.14);
        }

        .mobile-menu-panel .nav-link {
            display: block;
            padding: 0.7rem 1rem;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 5rem 0;
        }

        .section-label {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .section-label-blue {
            background: rgba(77, 171, 247, 0.12);
            color: #4dabf7;
            border: 1px solid rgba(77, 171, 247, 0.2);
        }

        .section-label-purple {
            background: rgba(151, 117, 250, 0.12);
            color: #9775fa;
            border: 1px solid rgba(151, 117, 250, 0.2);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 0 0 0.75rem;
            color: #f8fafc;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: #94a3b8;
            max-width: 600px;
            line-height: 1.75;
            margin: 0;
        }

        /* ========== Hero ========== */
        .hero-esports {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(160deg, #0a0e17 0%, #0f1a2e 30%, #0a0e17 60%, #111827 100%);
        }

        .hero-esports::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.15) 70%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.15) 70%, transparent 100%);
        }

        .hero-esports::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(600px circle at 25% 50%, rgba(77, 171, 247, 0.1) 0%, transparent 70%),
                radial-gradient(400px circle at 75% 40%, rgba(151, 117, 250, 0.08) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-esports-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 1rem;
            border-radius: 9999px;
            background: rgba(252, 196, 25, 0.12);
            border: 1px solid rgba(252, 196, 25, 0.25);
            color: #fcc419;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
        }

        .hero-badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fcc419;
            animation: pulse-dot 2s ease-in-out infinite;
            box-shadow: 0 0 8px rgba(252, 196, 25, 0.7);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.7);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: #f8fafc;
            margin: 0 0 1rem;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #4dabf7 0%, #9775fa 60%, #f06595 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: #cbd5e1;
            line-height: 1.8;
            margin: 0 0 2rem;
            max-width: 540px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.85rem;
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            background: linear-gradient(135deg, #4dabf7 0%, #748ffc 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(77, 171, 247, 0.35);
            white-space: nowrap;
        }

        .btn-primary-glow:hover {
            box-shadow: 0 8px 35px rgba(77, 171, 247, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-glow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border-radius: 9999px;
            border: 1.5px solid rgba(203, 213, 225, 0.35);
            background: rgba(255, 255, 255, 0.03);
            color: #e2e8f0;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-glow:hover {
            border-color: rgba(203, 213, 225, 0.6);
            background: rgba(255, 255, 255, 0.07);
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.06);
            transform: translateY(-1px);
        }

        /* ========== 统计条 ========== */
        .stats-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            padding: 2rem 0;
            border-top: 1px solid rgba(51, 65, 85, 0.3);
            border-bottom: 1px solid rgba(51, 65, 85, 0.3);
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: #f8fafc;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-number .plus {
            color: #4dabf7;
        }

        .stat-label {
            font-size: 0.85rem;
            color: #94a3b8;
            font-weight: 500;
        }

        /* ========== 卡片样式 ========== */
        .card-dark {
            background: var(--color-bg-card);
            border: 1px solid rgba(51, 65, 85, 0.35);
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            transition: all var(--transition-smooth);
        }

        .card-dark:hover {
            background: var(--color-bg-card-hover);
            border-color: rgba(77, 171, 247, 0.3);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }

        .card-icon-wrap.blue {
            background: rgba(77, 171, 247, 0.12);
            color: #4dabf7;
        }

        .card-icon-wrap.purple {
            background: rgba(151, 117, 250, 0.12);
            color: #9775fa;
        }

        .card-icon-wrap.gold {
            background: rgba(252, 196, 25, 0.12);
            color: #fcc419;
        }

        .card-icon-wrap.cyan {
            background: rgba(34, 184, 207, 0.12);
            color: #22b8cf;
        }

        .card-dark h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #f1f5f9;
            margin: 0 0 0.5rem;
        }

        .card-dark p {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 流程Bracket ========== */
        .bracket-flow {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            padding: 1rem 0;
        }

        .bracket-node {
            background: var(--color-bg-card);
            border: 1.5px solid rgba(51, 65, 85, 0.4);
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.5rem;
            text-align: center;
            min-width: 140px;
            transition: all var(--transition-fast);
        }

        .bracket-node:hover {
            border-color: rgba(77, 171, 247, 0.5);
            box-shadow: 0 0 25px rgba(77, 171, 247, 0.15);
        }

        .bracket-node .node-num {
            font-size: 1.6rem;
            font-weight: 900;
            color: #4dabf7;
            line-height: 1;
            margin-bottom: 0.3rem;
        }

        .bracket-node .node-label {
            font-size: 0.85rem;
            color: #cbd5e1;
            font-weight: 600;
        }

        .bracket-arrow {
            font-size: 1.4rem;
            color: #64748b;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid rgba(51, 65, 85, 0.3);
            padding: 1.2rem 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(51, 65, 85, 0.3);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-weight: 700;
            font-size: 1rem;
            color: #f1f5f9;
            user-select: none;
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: #64748b;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: #4dabf7;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            color: #94a3b8;
            font-size: 0.9rem;
            line-height: 1.75;
            padding-right: 2rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        /* ========== CTA区域 ========== */
        .cta-glow-section {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-2xl);
            background: linear-gradient(135deg, #141c2b 0%, #1a2332 50%, #141c2b 100%);
            border: 1.5px solid rgba(77, 171, 247, 0.25);
            padding: 3.5rem 2.5rem;
            text-align: center;
            box-shadow: 0 0 60px rgba(77, 171, 247, 0.08);
        }

        .cta-glow-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(500px circle at 50% 50%, rgba(77, 171, 247, 0.06) 0%, transparent 70%);
            animation: rotate-glow 20s linear infinite;
            pointer-events: none;
            z-index: 0;
        }

        @keyframes rotate-glow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: #090d15;
            border-top: 1px solid rgba(30, 41, 59, 0.5);
            padding: 3.5rem 0 2rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.05rem;
            color: #f8fafc;
        }

        .footer-link {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            cursor: pointer;
            display: inline-block;
        }

        .footer-link:hover {
            color: #e2e8f0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.85rem;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-esports {
                min-height: 480px;
            }
            .nav-search-input {
                width: 140px;
            }
            .nav-search-input:focus {
                width: 170px;
            }
            .bracket-flow {
                gap: 0.6rem;
            }
            .bracket-node {
                min-width: 110px;
                padding: 1rem;
            }
            .bracket-node .node-num {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop-links,
            .nav-desktop-actions {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero-esports {
                min-height: 420px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .stats-strip {
                gap: 1.25rem;
                justify-content: center;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .bracket-flow {
                flex-direction: column;
                gap: 0.4rem;
            }
            .bracket-arrow {
                transform: rotate(90deg);
                font-size: 1.1rem;
            }
            .bracket-node {
                min-width: 100%;
                max-width: 280px;
            }
            .cta-glow-section {
                padding: 2.5rem 1.25rem;
            }
            .card-dark {
                padding: 1.25rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-buttons .btn-primary-glow,
            .hero-buttons .btn-outline-glow {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-esports {
                min-height: 370px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .stats-strip {
                flex-direction: column;
                gap: 1rem;
                align-items: center;
                text-align: center;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .mobile-menu-panel {
                width: 100%;
                max-width: 100vw;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #3b82f6;
            --brand-primary-dark: #1d4ed8;
            --brand-secondary: #06b6d4;
            --accent-pink: #ec4899;
            --accent-purple: #a855f7;
            --surface-darkest: #0f172a;
            --surface-dark: #1e293b;
            --surface-mid: #334155;
            --surface-light: #f8fafc;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-dark: #1e293b;
            --border-subtle: rgba(51, 65, 85, 0.5);
            --border-card: rgba(71, 85, 105, 0.3);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.24);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow-blue: 0 0 24px rgba(59, 130, 246, 0.25);
            --shadow-glow-pink: 0 0 20px rgba(236, 72, 153, 0.2);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.65;
            background-color: #0f172a;
            color: #e2e8f0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 23, 42, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.96);
            box-shadow: var(--shadow-md);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
            font-weight: 800;
            color: #f8fafc;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: transform var(--transition-fast), color var(--transition-fast);
            text-decoration: none;
        }

        .nav-logo:hover {
            color: #ffffff;
            transform: scale(1.03);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--brand-primary), var(--accent-purple));
            color: #ffffff;
            font-weight: 900;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-blue);
        }

        .nav-desktop-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: #cbd5e1;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .nav-link:hover {
            color: #f8fafc;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #ffffff;
            background: rgba(59, 130, 246, 0.2);
            box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.35);
        }

        .nav-desktop-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

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

        .nav-search-input {
            width: 180px;
            padding: 0.55rem 0.85rem 0.55rem 2.5rem;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-subtle);
            background: rgba(30, 41, 59, 0.7);
            color: #e2e8f0;
            font-size: 0.82rem;
            outline: none;
            transition: all var(--transition-smooth);
        }

        .nav-search-input::placeholder {
            color: #64748b;
        }

        .nav-search-input:focus {
            width: 220px;
            border-color: var(--brand-primary);
            background: rgba(30, 41, 59, 0.95);
            box-shadow: var(--shadow-glow-blue);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #ffffff;
            font-weight: 700;
            font-size: 0.85rem;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-glow-blue);
            text-decoration: none;
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(59, 130, 246, 0.4);
            background: linear-gradient(135deg, #4f8bf7, #0ec9e0);
            color: #ffffff;
        }

        .nav-cta-btn:active {
            transform: scale(0.96);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: #e2e8f0;
            font-size: 1.3rem;
            padding: 0.45rem 0.65rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.2);
        }

        /* 移动端菜单面板 */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            display: flex;
            justify-content: flex-end;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            width: 100%;
            max-width: 360px;
            background: var(--surface-dark);
            border-left: 1px solid var(--border-subtle);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
        }

        .mobile-menu-overlay.open .mobile-menu-panel {
            transform: translateX(0);
        }

        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-menu-close {
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: #e2e8f0;
            font-size: 1.2rem;
            padding: 0.4rem 0.7rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-menu-close:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .mobile-menu-nav .nav-link {
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
        }

        .mobile-menu-search {
            position: relative;
        }

        .mobile-menu-search input {
            width: 100%;
            padding: 0.6rem 0.9rem 0.6rem 2.4rem;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-subtle);
            background: rgba(15, 23, 42, 0.6);
            color: #e2e8f0;
            font-size: 0.85rem;
            outline: none;
        }

        .mobile-menu-search input:focus {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-glow-blue);
        }

        .mobile-menu-search i {
            position: absolute;
            left: 0.85rem;
            top: 50%;
            transform: translateY(-50%);
            color: #64748b;
            font-size: 0.8rem;
            pointer-events: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--surface-darkest);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.1rem;
            font-weight: 700;
            color: #f8fafc;
        }

        .footer-link {
            display: inline-block;
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .footer-link:hover {
            color: #f8fafc;
            text-decoration: underline;
        }

        /* ========== 通用组件 ========== */
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.9rem;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(59, 130, 246, 0.15);
            color: #60a5fa;
            border: 1px solid rgba(59, 130, 246, 0.25);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-glow-blue);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 36px rgba(59, 130, 246, 0.45);
            background: linear-gradient(135deg, #4f8bf7, #0ec9e0);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: scale(0.95);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.7rem;
            border-radius: var(--radius-full);
            background: transparent;
            color: #f1f5f9;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }

        .card-glow {
            background: rgba(30, 41, 59, 0.7);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(8px);
        }

        .card-glow:hover {
            border-color: rgba(59, 130, 246, 0.4);
            box-shadow: var(--shadow-glow-blue);
            transform: translateY(-4px);
            background: rgba(30, 41, 59, 0.85);
        }

        .card-dark-solid {
            background: var(--surface-dark);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: all var(--transition-smooth);
        }

        .card-dark-solid:hover {
            border-color: rgba(168, 85, 247, 0.4);
            box-shadow: var(--shadow-glow-pink);
            transform: translateY(-3px);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #f8fafc;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin: 0;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: #94a3b8;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--surface-darkest);
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            opacity: 0.55;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg,
                    rgba(15, 23, 42, 0.75) 0%,
                    rgba(15, 23, 42, 0.6) 40%,
                    rgba(15, 23, 42, 0.85) 85%,
                    #0f172a 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            background: rgba(30, 41, 59, 0.5);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(59, 130, 246, 0.35);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.4rem;
            background: transparent;
            border: none;
            color: #f1f5f9;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: #ffffff;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-fast);
            color: #60a5fa;
        }

        .faq-item.open .faq-icon {
            background: rgba(59, 130, 246, 0.35);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.4rem;
            color: #94a3b8;
            font-size: 0.88rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.2rem 1.4rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-desktop-links {
                gap: 0;
            }
            .nav-link {
                padding: 0.45rem 0.7rem;
                font-size: 0.82rem;
            }
            .nav-search-input {
                width: 140px;
            }
            .nav-search-input:focus {
                width: 170px;
            }
            .nav-cta-btn {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-section {
                min-height: 480px;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop-links,
            .nav-desktop-actions {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .site-header .container-custom {
                padding-top: 0.6rem;
                padding-bottom: 0.6rem;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .hero-section {
                min-height: 420px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .card-glow,
            .card-dark-solid {
                padding: 1.3rem;
            }
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 360px;
            }
            .hero-content {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-primary {
                padding: 0.65rem 1.3rem;
                font-size: 0.85rem;
            }
            .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.82rem;
            }
            .nav-logo {
                font-size: 0.95rem;
            }
            .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .mobile-menu-panel {
                max-width: 300px;
            }
        }

        /* 动画辅助 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.25s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.4s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.55s;
            opacity: 0;
        }