/* roulang page: index */
:root {
            --bg-primary: #0a0a0f;
            --bg-secondary: #0f0f1a;
            --bg-card: #12121a;
            --bg-panel: #1a1a2e;
            --neon-primary: #00f5ff;
            --neon-secondary: #7b2ff7;
            --neon-accent: #ff2d95;
            --neon-glow: rgba(0, 245, 255, 0.25);
            --text-primary: #f0f0f8;
            --text-secondary: #a0a0b8;
            --text-muted: #6b6b80;
            --border-color: #2a2a3e;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.6);
            --shadow-neon: 0 0 30px rgba(0, 245, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 42, 62, 0.6);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 15, 0.98);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 40px rgba(0, 245, 255, 0.2);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0a0a0f;
            -webkit-text-fill-color: #0a0a0f;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(0, 245, 255, 0.25);
        }

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

        .nav-link {
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--neon-primary);
            background: rgba(0, 245, 255, 0.08);
            text-shadow: 0 0 20px rgba(0, 245, 255, 0.15);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--neon-primary);
            box-shadow: 0 0 12px rgba(0, 245, 255, 0.6);
            border-radius: 2px;
        }

        .nav-cta {
            padding: 10px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
            color: #0a0a0f;
            transition: var(--transition);
            box-shadow: 0 0 30px rgba(0, 245, 255, 0.15);
            letter-spacing: 0.5px;
            margin-left: 12px;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 50px rgba(0, 245, 255, 0.3);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 6px 10px;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }

            .nav-main {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 10, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 16px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
            }

            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }

            .nav-link.active::after {
                bottom: 4px;
                width: 40px;
                left: 16px;
                transform: none;
            }

            .nav-cta {
                width: 100%;
                text-align: center;
                margin-left: 0;
                margin-top: 8px;
                padding: 14px 28px;
            }

            .logo {
                font-size: 1.2rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }

            .header-inner {
                height: 64px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            overflow: hidden;
            background: var(--bg-primary);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10, 10, 15, 0.3) 0%,
                    rgba(10, 10, 15, 0.7) 50%,
                    var(--bg-primary) 100%);
        }

        .hero-overlay-glow {
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 245, 255, 0.08) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            padding: 0 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(0, 245, 255, 0.08);
            border: 1px solid rgba(0, 245, 255, 0.2);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--neon-primary);
            margin-bottom: 28px;
            letter-spacing: 0.5px;
            animation: glow 2s ease-in-out infinite alternate;
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.5rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 30%, var(--neon-primary) 70%, var(--neon-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .btn-primary {
            padding: 16px 44px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1.05rem;
            background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
            color: #0a0a0f;
            transition: var(--transition);
            box-shadow: 0 0 40px rgba(0, 245, 255, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 60px rgba(0, 245, 255, 0.35);
        }

        .btn-secondary {
            padding: 16px 44px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1.05rem;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 245, 255, 0.3);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(42, 42, 62, 0.5);
        }

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

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--neon-primary);
            text-shadow: 0 0 30px rgba(0, 245, 255, 0.2);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 90vh;
                padding: 100px 0 60px;
            }
            .hero-stats {
                gap: 24px;
                padding-top: 28px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 14px 32px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-label {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(0, 245, 255, 0.08);
            border: 1px solid rgba(0, 245, 255, 0.15);
            color: var(--neon-primary);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ===== Card Base ===== */
        .card {
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .card:hover {
            border-color: rgba(0, 245, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 245, 255, 0.05);
        }

        /* ===== Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            text-align: center;
            padding: 36px 24px 32px;
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: linear-gradient(135deg, rgba(0, 245, 255, 0.1), rgba(123, 47, 247, 0.1));
            border: 1px solid rgba(0, 245, 255, 0.1);
            color: var(--neon-primary);
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, rgba(0, 245, 255, 0.2), rgba(123, 47, 247, 0.2));
            box-shadow: 0 0 30px rgba(0, 245, 255, 0.15);
            transform: scale(1.05);
        }

        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Category入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-panel);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            min-height: 240px;
            display: flex;
            align-items: flex-end;
        }

        .category-card-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            transition: var(--transition);
        }

        .category-card:hover .category-card-bg {
            opacity: 0.35;
            transform: scale(1.05);
        }

        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
            background: linear-gradient(0deg, rgba(10, 10, 15, 0.9) 0%, transparent 100%);
        }

        .category-card-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .category-card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--neon-primary);
            transition: var(--transition);
        }

        .category-card-link:hover {
            gap: 12px;
            text-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
        }

        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                min-height: 180px;
            }
        }

        /* ===== CMS 列表 ===== */
        .cms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .cms-card:hover {
            border-color: rgba(0, 245, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 245, 255, 0.05);
        }

        .cms-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }

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

        .cms-card-cat {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(0, 245, 255, 0.08);
            color: var(--neon-primary);
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 10px;
            align-self: flex-start;
            border: 1px solid rgba(0, 245, 255, 0.1);
        }

        .cms-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .cms-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid rgba(42, 42, 62, 0.5);
        }

        .cms-card-link {
            color: var(--neon-primary);
            font-weight: 500;
            transition: var(--transition);
        }

        .cms-card-link:hover {
            text-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
        }

        .cms-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        @media (max-width: 1024px) {
            .cms-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .cms-grid {
                grid-template-columns: 1fr;
            }
            .cms-card-img {
                height: 140px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 36px 20px 32px;
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(0, 245, 255, 0.2);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

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

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-primary), var(--neon-secondary), var(--neon-primary));
            opacity: 0.25;
            z-index: 0;
        }

        .step-card {
            text-align: center;
            padding: 32px 20px 28px;
            position: relative;
            z-index: 1;
            background: var(--bg-panel);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .step-card:hover {
            border-color: rgba(0, 245, 255, 0.2);
            transform: translateY(-4px);
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
            color: #0a0a0f;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 30px rgba(0, 245, 255, 0.2);
        }

        .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-panel);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 245, 255, 0.15);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--neon-primary);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--neon-primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
        }

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

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

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

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== 实时状态条 ===== */
        .live-bar {
            background: linear-gradient(90deg, rgba(0, 245, 255, 0.05), rgba(123, 47, 247, 0.05));
            border-bottom: 1px solid rgba(0, 245, 255, 0.08);
            padding: 8px 0;
            overflow: hidden;
            position: relative;
        }

        .live-bar-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            animation: scrollBar 30s linear infinite;
            white-space: nowrap;
        }

        .live-bar-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .live-bar-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--neon-primary);
            animation: pulse-neon 1.5s infinite;
            flex-shrink: 0;
        }

        .live-bar-item strong {
            color: var(--neon-primary);
            font-weight: 600;
        }

        @keyframes scrollBar {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        @media (max-width: 768px) {
            .live-bar {
                display: none;
            }
        }

        /* ===== 倒计时 ===== */
        .countdown-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 16px 24px;
            background: rgba(0, 245, 255, 0.04);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(0, 245, 255, 0.08);
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .countdown-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .countdown-item {
            text-align: center;
            min-width: 56px;
        }

        .countdown-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--neon-primary);
            text-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
            line-height: 1.2;
        }

        .countdown-unit {
            font-size: 0.65rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .countdown-sep {
            font-size: 1.4rem;
            color: var(--text-muted);
            font-weight: 300;
        }

        /* ===== 图片遮罩 ===== */
        .img-overlay {
            position: relative;
            overflow: hidden;
        }

        .img-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 10, 15, 0.6) 0%, transparent 60%);
            pointer-events: none;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-primary);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== 焦点样式 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--neon-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 额外响应式 ===== */
        @media (max-width: 520px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .card {
                padding: 20px 16px;
            }
        }

/* roulang page: article */
*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --bg-primary: #0a0e1a;
            --bg-card: #111827;
            --bg-elevated: #1a2235;
            --bg-nav: #070b14;
            --color-primary: #00d4ff;
            --color-primary-dark: #0099cc;
            --color-secondary: #8b5cf6;
            --color-accent: #f59e0b;
            --color-text: #f1f5f9;
            --color-text-muted: #94a3b8;
            --color-text-dim: #64748b;
            --color-border: #1e293b;
            --color-border-light: #334155;
            --color-neon-glow: rgba(0, 212, 255, 0.25);
            --shadow-neon: 0 0 24px rgba(0, 212, 255, 0.12);
            --shadow-neon-strong: 0 0 40px rgba(0, 212, 255, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-primary);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #66e5ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        .section {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-muted);
            max-width: 640px;
            margin: 0 auto 48px;
            font-size: 1.05rem;
        }
        @media (max-width: 768px) {
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 11, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 212, 255, 0.08);
            transition: var(--transition);
        }
        .header-main.scrolled {
            background: rgba(7, 11, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .logo-icon {
            font-size: 1.8rem;
            color: var(--color-primary);
            filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-muted);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(0, 212, 255, 0.06);
        }
        .nav-link.active {
            color: var(--color-primary);
            background: rgba(0, 212, 255, 0.1);
            box-shadow: inset 0 -2px 0 var(--color-primary), 0 0 20px rgba(0, 212, 255, 0.08);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--color-primary);
            box-shadow: 0 0 12px var(--color-neon-glow);
            border-radius: 2px;
        }
        .nav-cta {
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--color-primary), #0099cc);
            color: #0a0e1a;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
            margin-left: 8px;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 212, 255, 0.35);
            color: #0a0e1a;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-main {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(7, 11, 20, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid rgba(0, 212, 255, 0.08);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-link {
                padding: 12px 16px;
                width: 100%;
                text-align: center;
                font-size: 1rem;
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 12px;
                justify-content: center;
                width: 100%;
                padding: 12px 22px;
            }
            .header-inner {
                height: 64px;
                padding: 0 16px;
            }
            .logo {
                font-size: 1.35rem;
            }
        }
        .article-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #0a0e1a 0%, #111827 50%, #0a0e1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
            filter: blur(2px);
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.92) 0%, rgba(17, 24, 39, 0.85) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(0, 212, 255, 0.12);
            border: 1px solid rgba(0, 212, 255, 0.2);
            color: var(--color-primary);
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            max-width: 900px;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: var(--color-text-muted);
            font-size: 0.92rem;
        }
        .article-hero .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .meta i {
            color: var(--color-primary);
            font-size: 0.85rem;
        }
        .article-hero .excerpt {
            max-width: 800px;
            margin-top: 20px;
            font-size: 1.1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            padding: 16px 24px;
            background: rgba(0, 0, 0, 0.3);
            border-left: 3px solid var(--color-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        @media (max-width: 768px) {
            .article-hero {
                padding: 110px 0 40px;
                min-height: 240px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .meta {
                gap: 12px;
                font-size: 0.82rem;
            }
            .article-hero .excerpt {
                font-size: 0.95rem;
                padding: 12px 16px;
                margin-top: 14px;
            }
        }
        .article-body {
            background: var(--bg-primary);
            padding: 48px 0 64px;
        }
        .article-body .content {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            padding: 48px 56px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }
        .article-body .content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 40px 0 16px;
            color: #fff;
            line-height: 1.3;
        }
        .article-body .content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: #e2e8f0;
            line-height: 1.4;
        }
        .article-body .content p {
            margin-bottom: 18px;
            color: var(--color-text-muted);
            font-size: 1.02rem;
            line-height: 1.8;
        }
        .article-body .content ul,
        .article-body .content ol {
            margin: 0 0 20px 24px;
            color: var(--color-text-muted);
            font-size: 1.02rem;
            line-height: 1.8;
        }
        .article-body .content li {
            margin-bottom: 8px;
        }
        .article-body .content blockquote {
            margin: 24px 0;
            padding: 20px 28px;
            background: rgba(0, 212, 255, 0.04);
            border-left: 4px solid var(--color-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-muted);
            font-style: italic;
            font-size: 1.05rem;
        }
        .article-body .content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body .content a:hover {
            color: #66e5ff;
        }
        .article-body .content img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
        }
        .article-body .content code {
            background: rgba(0, 212, 255, 0.08);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--color-primary);
        }
        .article-body .content pre {
            background: #0d1117;
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            border: 1px solid var(--color-border);
            margin: 24px 0;
        }
        .article-body .content pre code {
            background: none;
            padding: 0;
            color: #e2e8f0;
        }
        @media (max-width: 768px) {
            .article-body .content {
                padding: 24px 20px;
                border-radius: var(--radius);
            }
            .article-body .content h2 {
                font-size: 1.35rem;
            }
            .article-body .content h3 {
                font-size: 1.1rem;
            }
            .article-body .content p,
            .article-body .content ul,
            .article-body .content ol {
                font-size: 0.95rem;
            }
            .article-body .content blockquote {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
        }
        .article-footer-bar {
            max-width: 800px;
            margin: 32px auto 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            border-top: 1px solid var(--color-border);
            gap: 16px;
        }
        .article-footer-bar .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer-bar .tags .tag {
            padding: 4px 14px;
            background: rgba(0, 212, 255, 0.06);
            border: 1px solid rgba(0, 212, 255, 0.12);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: var(--transition);
        }
        .article-footer-bar .tags .tag:hover {
            background: rgba(0, 212, 255, 0.12);
            color: var(--color-primary);
            border-color: rgba(0, 212, 255, 0.3);
        }
        .article-footer-bar .share {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .article-footer-bar .share span {
            color: var(--color-text-dim);
            font-size: 0.85rem;
        }
        .article-footer-bar .share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .article-footer-bar .share a:hover {
            background: var(--color-primary);
            color: #0a0e1a;
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .article-footer-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        .article-nav {
            max-width: 800px;
            margin: 24px auto 0;
            display: flex;
            justify-content: space-between;
            gap: 16px;
        }
        .article-nav a {
            padding: 12px 24px;
            background: var(--bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            color: var(--color-text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            max-width: 48%;
        }
        .article-nav a:hover {
            border-color: rgba(0, 212, 255, 0.25);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
        }
        .article-nav .nav-next {
            justify-content: flex-end;
            text-align: right;
        }
        @media (max-width: 768px) {
            .article-nav a {
                max-width: 100%;
                flex: 1;
                padding: 10px 16px;
                font-size: 0.85rem;
            }
        }
        .related-section {
            background: var(--bg-primary);
            padding: 64px 0;
            border-top: 1px solid var(--color-border);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 212, 255, 0.2);
            box-shadow: var(--shadow-neon), var(--shadow-card);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 20px 24px;
        }
        .related-card .card-body .card-cat {
            display: inline-block;
            padding: 2px 12px;
            background: rgba(0, 212, 255, 0.08);
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: 10px;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card .card-body .card-date {
            font-size: 0.78rem;
            color: var(--color-text-dim);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card .card-img {
                height: 200px;
            }
        }
        .faq-section {
            background: var(--bg-card);
            border-top: 1px solid var(--color-border);
            padding: 64px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 212, 255, 0.15);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--color-primary);
            font-size: 0.85rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 320px;
            padding: 0 24px 20px;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer.open {
                padding: 0 16px 16px;
            }
        }
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, #0a0e1a, #111827);
            text-align: center;
            border-top: 1px solid rgba(0, 212, 255, 0.06);
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-section p {
            color: var(--color-text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--color-primary), #0099cc);
            color: #0a0e1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
            letter-spacing: 0.5px;
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 48px rgba(0, 212, 255, 0.35);
            color: #0a0e1a;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.95rem;
                padding: 0 16px;
            }
            .cta-btn {
                padding: 12px 28px;
                font-size: 0.92rem;
            }
        }
        .site-footer {
            background: #070b14;
            padding: 56px 0 0;
            border-top: 1px solid rgba(0, 212, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .footer-about {
            color: var(--color-text-dim);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--color-text-dim);
            font-size: 0.88rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--color-primary);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--color-text-dim);
            font-size: 0.82rem;
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: var(--color-text-dim);
            font-size: 0.82rem;
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-about {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }
        .not-found-box {
            max-width: 600px;
            margin: 80px auto;
            text-align: center;
            padding: 48px 32px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--color-text-dim);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }
        .not-found-box a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--color-primary);
            color: #0a0e1a;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .not-found-box a:hover {
            box-shadow: 0 0 24px rgba(0, 212, 255, 0.3);
            transform: translateY(-2px);
            color: #0a0e1a;
        }
        .fade-in {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-delay-1 {
            animation-delay: 0.1s;
        }
        .fade-in-delay-2 {
            animation-delay: 0.2s;
        }
        .fade-in-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #00d4ff;
            --primary-glow: rgba(0, 212, 255, 0.35);
            --primary-dark: #0099cc;
            --secondary: #8b5cf6;
            --secondary-glow: rgba(139, 92, 246, 0.3);
            --accent: #f472b6;
            --bg-dark: #080c16;
            --bg-card: #0f1729;
            --bg-card-hover: #1a2337;
            --bg-section: #0b111f;
            --bg-input: #0f1a2e;
            --text-main: #e8edf5;
            --text-muted: #8a94a8;
            --text-light: #b8c4dc;
            --border-color: #1e2a45;
            --border-glow: rgba(0, 212, 255, 0.15);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 212, 255, 0.06);
            --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #80efff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 12, 22, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main .nav-link {
            position: relative;
            padding: 8px 18px;
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-main .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-main .nav-link.active {
            color: #fff;
            background: rgba(0, 212, 255, 0.12);
            box-shadow: inset 0 0 0 1px var(--border-glow);
        }
        .nav-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--primary);
            box-shadow: 0 0 12px var(--primary-glow);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 10px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
            margin-left: 8px;
            white-space: nowrap;
        }
        .nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 32px rgba(0, 212, 255, 0.4);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 64px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-main {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(8, 12, 22, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main .nav-link {
                padding: 12px 16px;
                width: 100%;
                font-size: 1rem;
            }
            .nav-main .nav-link.active::after {
                bottom: 4px;
                width: 40px;
                left: 16px;
                transform: none;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 8px;
                padding: 12px 22px;
            }
        }
        @media (max-width: 480px) {
            .logo {
                font-size: 1.2rem;
            }
            .logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 100px 0;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-card {
            background: var(--bg-card);
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 14px;
            background: linear-gradient(135deg, #fff 40%, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-sub {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 60px;
            line-height: 1.8;
        }
        .section-sub a {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 40px;
                padding: 0 8px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 50%, rgba(0, 212, 255, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
                linear-gradient(180deg, rgba(8, 12, 22, 0.3) 0%, var(--bg-dark) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid var(--border-glow);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.3px;
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.05);
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero h1 {
            font-size: 3.8rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 30%, var(--primary) 70%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.25rem;
            color: var(--text-light);
            max-width: 720px;
            margin: 0 auto 36px;
            line-height: 1.9;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 30px rgba(0, 212, 255, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 48px rgba(0, 212, 255, 0.45);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.05rem;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .hero-stat .num span {
            color: var(--primary);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding: 100px 0 60px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 28px;
            }
        }

        /* ===== 步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(0, 212, 255, 0.25);
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
            background: var(--bg-card-hover);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.15);
        }
        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 功能卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-card:hover {
            border-color: rgba(0, 212, 255, 0.2);
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
            background: var(--bg-card-hover);
        }
        .feature-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--bg-section);
        }
        .feature-card .card-body {
            padding: 24px 22px 28px;
        }
        .feature-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feature-card .card-body h3 i {
            color: var(--primary);
            font-size: 1.1rem;
        }
        .feature-card .card-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.75;
        }
        .feature-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(0, 212, 255, 0.08);
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 500;
            margin-top: 14px;
            border: 1px solid var(--border-glow);
        }

        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 技巧列表 ===== */
        .tips-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            margin-bottom: 14px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .tips-list li:hover {
            border-color: rgba(0, 212, 255, 0.15);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            background: var(--bg-card-hover);
        }
        .tips-list li .icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(0, 212, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            border: 1px solid var(--border-glow);
        }
        .tips-list li .content {
            flex: 1;
        }
        .tips-list li .content strong {
            display: block;
            color: #fff;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .tips-list li .content span {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        @media (max-width: 600px) {
            .tips-list li {
                padding: 16px 18px;
                flex-direction: column;
                gap: 12px;
            }
            .tips-list li .icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }

        /* ===== 数据面板 ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .data-card:hover {
            border-color: rgba(0, 212, 255, 0.2);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .data-card .data-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 14px;
            display: block;
        }
        .data-card .data-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }
        .data-card .data-num span {
            color: var(--primary);
        }
        .data-card .data-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 6px;
        }

        @media (max-width: 800px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .data-grid {
                grid-template-columns: 1fr;
            }
            .data-card .data-num {
                font-size: 2rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 212, 255, 0.12);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        @media (max-width: 600px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 18px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(139, 92, 246, 0.06));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            box-shadow: 0 0 60px rgba(0, 212, 255, 0.04);
        }
        .cta-box h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-box p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .cta-box .btn-primary {
            font-size: 1.1rem;
            padding: 18px 44px;
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.6rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #060a14;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .footer-about {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-top: 6px;
        }
        .footer-col-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom-links a:hover {
            color: var(--primary);
        }

        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
                flex-wrap: wrap;
            }
        }

        /* ===== 辅助 ===== */
        .divider-glow {
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin: 0 auto 24px;
            box-shadow: 0 0 24px var(--primary-glow);
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glow-border {
            border: 1px solid var(--border-glow);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.04);
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #3a4a6a;
        }

        /* ===== 选择 ===== */
        ::selection {
            background: rgba(0, 212, 255, 0.3);
            color: #fff;
        }

        /* ===== 实时状态条 ===== */
        .live-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px 6px 10px;
            background: rgba(0, 212, 255, 0.06);
            border: 1px solid var(--border-glow);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .live-bar .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 12px rgba(34, 197, 94, 0.6);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.85);
            }
        }