:root {
            --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
            --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
            --accent-warm: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
            --accent-indigo: #4f46e5;
            --accent-purple: #7c3aed;
            --accent-pink: #ec4899;
            --accent-cyan: #06b6d4;
            --accent-amber: #f59e0b;
            --accent-emerald: #10b981;
            
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --bg-card-subtle: #f1f5f9;
            --bg-glass: rgba(255, 255, 255, 0.85);
            
            --text-primary: #0f172a;
            --text-secondary: #334155;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            
            --border-color: #e2e8f0;
            --border-focus: #c7d2fe;
            --border-highlight: rgba(124, 58, 237, 0.25);
            
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 25px -5px rgba(99, 102, 241, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 35px -5px rgba(99, 102, 241, 0.18), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --shadow-glow: 0 0 25px rgba(124, 58, 237, 0.25);
            
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 10%, rgba(99, 102, 241, 0.07) 0%, transparent 40%),
                radial-gradient(circle at 85% 25%, rgba(236, 72, 153, 0.06) 0%, transparent 45%),
                radial-gradient(circle at 50% 60%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 85%, rgba(124, 58, 237, 0.07) 0%, transparent 40%);
            background-attachment: fixed;
        }

        /* 统一容器规范 */
        .ai-container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 链接与排版基础 */
        a {
            color: var(--accent-indigo);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent-pink);
        }

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

        /* 艳色潮流文字高光 */
        .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            font-weight: 800;
        }

        .gradient-text-warm {
            background: var(--accent-warm);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            font-weight: 800;
        }

        .gradient-text-cyan {
            background: var(--secondary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            font-weight: 800;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .brand-logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo-wrap .ai-page-logo {
            height: 42px;
            width: auto;
            object-fit: contain;
        }

        .brand-name-group {
            display: flex;
            flex-direction: column;
        }

        .brand-title {
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .brand-tag {
            font-size: 0.72rem;
            color: var(--accent-purple);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* 显式约束：nav-links 的 gap 属性设置为 0 */
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-full);
            transition: var(--transition);
        }

        .nav-links li a:hover {
            color: var(--accent-indigo);
            background: rgba(99, 102, 241, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-align: center;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #ffffff !important;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(124, 58, 237, 0.45);
            color: #ffffff !important;
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            border-color: var(--accent-indigo);
            color: var(--accent-indigo);
            background: rgba(99, 102, 241, 0.04);
            transform: translateY(-2px);
        }

        .btn-warm {
            background: var(--accent-warm);
            color: #ffffff !important;
            box-shadow: 0 4px 15px rgba(244, 63, 94, 0.3);
        }

        .btn-warm:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(244, 63, 94, 0.45);
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 1.05rem;
        }

        .btn-sm {
            padding: 6px 16px;
            font-size: 0.85rem;
        }

        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 6px;
        }

        /* 移动端菜单抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            border-bottom: 2px solid var(--border-color);
            padding: 20px;
            box-shadow: var(--shadow-xl);
            z-index: 999;
        }

        .mobile-drawer.active {
            display: block;
        }

        .mobile-drawer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-drawer a {
            display: block;
            padding: 10px 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: var(--radius-md);
            background: var(--bg-card-subtle);
        }

        /* 通用区块头 */
        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 50px auto;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(124, 58, 237, 0.08);
            border: 1px solid rgba(124, 58, 237, 0.2);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-purple);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .section-padding {
            padding-top: 80px;
            padding-bottom: 80px;
            position: relative;
        }

        /* HERO 首屏（严格禁止任何图片，纯 CSS 艳色科技感呈现） */
        .hero-section {
            padding-top: 70px;
            padding-bottom: 80px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-badge-wrap {
            margin-bottom: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
            border: 1px solid rgba(124, 58, 237, 0.25);
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--accent-indigo);
            box-shadow: 0 2px 10px rgba(99, 102, 241, 0.1);
        }

        .hero-title {
            font-size: 3.1rem;
            font-weight: 900;
            line-height: 1.18;
            margin-bottom: 24px;
            color: var(--text-primary);
            letter-spacing: -1px;
            max-width: 960px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 820px;
            margin: 0 auto 36px auto;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 50px;
        }

        .hero-metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            max-width: 1040px;
            margin: 0 auto;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 16px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--border-highlight);
        }

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

        .metric-number {
            font-size: 2.1rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 滚动标签云（模型聚合展示） */
        .models-marquee-wrap {
            margin-top: 40px;
            padding: 16px 0;
            background: rgba(255, 255, 255, 0.7);
            border-top: 1px dashed var(--border-color);
            border-bottom: 1px dashed var(--border-color);
            overflow: hidden;
            white-space: nowrap;
        }

        .models-tags-container {
            display: inline-flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .model-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-secondary);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .model-chip:hover {
            border-color: var(--accent-indigo);
            color: var(--accent-indigo);
            transform: scale(1.05);
        }

        .model-chip-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-emerald);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text-content h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .about-text-content p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }

        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-card);
            padding: 14px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .highlight-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--accent-indigo);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }

        .highlight-item-text strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

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

        .about-image-card {
            background: #ffffff;
            padding: 12px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            border: 1px solid rgba(124, 58, 237, 0.15);
            position: relative;
        }

        .about-image-card img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* 核心服务网格 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-xl);
        }

        .service-card-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 18px;
        }

        .service-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
            color: var(--accent-purple);
            flex-shrink: 0;
        }

        .service-card-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        .service-card-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            flex-grow: 1;
            line-height: 1.6;
        }

        .service-feature-list {
            list-style: none;
            margin-bottom: 22px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .service-feature-list li {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-feature-list li::before {
            content: '✓';
            color: var(--accent-emerald);
            font-weight: bold;
        }

        /* 一站式自动化制作全景 */
        .production-box {
            background: #ffffff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-xl);
        }

        .production-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .prod-item {
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: var(--transition);
        }

        .prod-item:hover {
            background: #ffffff;
            border-color: var(--accent-indigo);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .prod-item-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }

        .prod-item-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        .prod-item-tag {
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: rgba(79, 70, 229, 0.1);
            color: var(--accent-indigo);
        }

        .prod-item-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .banner-showcase-wrap {
            margin-top: 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .banner-showcase-wrap img {
            border-radius: var(--radius-lg);
            width: 100%;
            box-shadow: var(--shadow-md);
        }

        /* 行业场景矩阵 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
            box-shadow: var(--shadow-lg);
        }

        .sol-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .sol-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .sol-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* 标准作业流程 Steps */
        .workflow-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            position: relative;
            box-shadow: var(--shadow-md);
            text-align: center;
        }

        .flow-step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px auto;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 900;
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
        }

        .flow-step-title {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .flow-step-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* 对比评测板块（核心考核指标） */
        .eval-section-wrap {
            background: #ffffff;
            border-radius: var(--radius-xl);
            border: 1px solid rgba(124, 58, 237, 0.2);
            padding: 40px;
            box-shadow: var(--shadow-xl);
        }

        .eval-summary-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
            border-radius: var(--radius-lg);
            padding: 24px 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        .eval-score-badge {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .score-big {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1;
            color: var(--accent-indigo);
        }

        .score-meta strong {
            display: block;
            font-size: 1.15rem;
            color: var(--text-primary);
        }

        .score-meta span {
            font-size: 0.9rem;
            color: var(--accent-amber);
            font-weight: 700;
        }

        .eval-summary-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .eval-tag-pill {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            box-shadow: var(--shadow-sm);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            margin-top: 20px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.92rem;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background: var(--bg-card-subtle);
            color: var(--text-primary);
            font-weight: 800;
        }

        .comparison-table tr.highlight-row {
            background: rgba(99, 102, 241, 0.04);
            font-weight: 600;
        }

        .comparison-table tr:hover {
            background: rgba(99, 102, 241, 0.06);
        }

        .tag-win {
            display: inline-block;
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-emerald);
            font-weight: 800;
            font-size: 0.8rem;
        }

        .tag-lose {
            display: inline-block;
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
            font-size: 0.8rem;
        }

        /* Token 比价板块 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pricing-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .pricing-card.featured {
            border: 2px solid var(--accent-purple);
            box-shadow: var(--shadow-xl);
            transform: scale(1.02);
        }

        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent-warm);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            box-shadow: 0 4px 10px rgba(244, 63, 94, 0.3);
        }

        .price-tier-name {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .price-tag-wrap {
            margin: 18px 0;
        }

        .price-val {
            font-size: 2.3rem;
            font-weight: 900;
            color: var(--text-primary);
        }

        .price-unit {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .pricing-features {
            list-style: none;
            margin: 20px 0;
            flex-grow: 1;
        }

        .pricing-features li {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 需求匹配器 */
        .matching-box {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow-lg);
        }

        .matching-tabs {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .match-tab-btn {
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: var(--bg-card-subtle);
            border: 1px solid var(--border-color);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .match-tab-btn.active, .match-tab-btn:hover {
            background: var(--primary-gradient);
            color: #ffffff;
            border-color: transparent;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
        }

        .match-content-pane {
            background: var(--bg-main);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-color);
        }

        /* 加盟代理与被动收入板块 */
        .agent-banner {
            background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            color: #ffffff;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }

        .agent-banner h3 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .agent-banner p {
            color: #cbd5e1;
            font-size: 1.05rem;
            max-width: 700px;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .agent-perks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 36px;
        }

        .perk-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .perk-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #38bdf8;
            font-weight: 800;
        }

        .perk-card p {
            font-size: 0.85rem;
            color: #e2e8f0;
            margin-bottom: 0;
        }

        /* 用户真实评论 6条 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-lg);
        }

        .review-user-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .review-avatar-text {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .review-user-meta strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .review-user-meta span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .review-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .review-comment {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* 案例中心 & 媒体素材 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent-indigo);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: var(--bg-card-subtle);
        }

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

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

        .case-body {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-indigo);
            background: rgba(99, 102, 241, 0.1);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 10px;
        }

        .case-title {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .case-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* AI 百科 & 行业资讯 */
        .news-wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .card-news-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .card-news-box h3 {
            font-size: 1.35rem;
            font-weight: 900;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-list li {
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--border-color);
        }

        .news-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-list a {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-list a:hover {
            color: var(--accent-indigo);
            padding-left: 4px;
        }

        /* FAQ 折叠面板 (不少于 10 条) */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .faq-item:hover {
            border-color: var(--border-highlight);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            background: transparent;
            border: none;
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent-indigo);
        }

        .faq-icon {
            font-size: 1.25rem;
            font-weight: 400;
            transition: transform 0.3s ease;
            color: var(--accent-indigo);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            background: var(--bg-card-subtle);
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.65;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 18px 24px;
            border-top: 1px solid var(--border-color);
        }

        /* 联系我们 & 需求表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-xl);
        }

        .contact-info-panel h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .contact-info-panel p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        .contact-details-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 30px;
        }

        .contact-detail-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .contact-icon-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.1);
            color: var(--accent-indigo);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: bold;
        }

        .qr-section {
            background: var(--bg-card-subtle);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            align-items: center;
            gap: 20px;
            border: 1px dashed var(--border-color);
        }

        .qr-section img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 2px solid #ffffff;
            box-shadow: var(--shadow-sm);
        }

        .qr-meta strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .qr-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 表单样式 */
        .form-card {
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
        }

        .form-card h4 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.95rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: #ffffff;
            color: var(--text-primary);
            transition: var(--transition);
            outline: none;
            font-family: inherit;
        }

        .form-control:focus {
            border-color: var(--accent-indigo);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 90px;
        }

        /* 底部页脚 */
        .site-footer {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            padding-top: 60px;
            padding-bottom: 30px;
            margin-top: 60px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 16px 0;
            line-height: 1.6;
        }

        .footer-col-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

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

        .footer-links-list a {
            color: var(--text-secondary);
            font-size: 0.88rem;
        }

        .footer-links-list a:hover {
            color: var(--accent-indigo);
        }

        .friend-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }

        .friend-links-box a {
            font-size: 0.82rem;
            color: var(--text-secondary);
            background: var(--bg-card-subtle);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }

        .friend-links-box a:hover {
            color: var(--accent-indigo);
            border-color: var(--accent-indigo);
        }

        .footer-bottom-bar {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .footer-home-link-wrap {
            margin-bottom: 6px;
        }

        /* 浮动侧边与返回顶部 */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 990;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #ffffff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--accent-indigo);
            font-size: 1.25rem;
            transition: var(--transition);
            text-decoration: none;
        }

        .float-btn:hover {
            background: var(--primary-gradient);
            color: #ffffff;
            transform: scale(1.1);
        }

        #backToTop {
            display: none;
        }

        /* 响应式媒体查询适配 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .services-grid, .pricing-grid, .reviews-grid, .cases-grid, .agent-perks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid, .hero-metrics-strip, .workflow-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .nav-container {
                height: 64px;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-title {
                font-size: 1.95rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .about-grid, .contact-grid, .news-wiki-grid, .banner-showcase-wrap {
                grid-template-columns: 1fr;
            }
            .services-grid, .pricing-grid, .reviews-grid, .cases-grid, .agent-perks-grid, .production-grid {
                grid-template-columns: 1fr;
            }
            .solutions-grid, .hero-metrics-strip, .workflow-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-padding {
                padding-top: 50px;
                padding-bottom: 50px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .eval-section-wrap, .production-box, .contact-grid {
                padding: 24px 18px;
            }
        }