:root {
            --primary: #e6005c;
            --primary-hover: #c0004d;
            --primary-light: #fff0f5;
            --primary-gradient: linear-gradient(135deg, #ff1a75, #b30047);
            --text-main: #1f2937;
            --text-muted: #4b5563;
            --bg-body: #fdfbfb;
            --bg-card: #ffffff;
            --border-color: #f3e8eb;
            --shadow-sm: 0 2px 8px rgba(230, 0, 92, 0.04);
            --shadow-md: 0 8px 24px rgba(230, 0, 92, 0.08);
            --shadow-lg: 0 16px 32px rgba(230, 0, 92, 0.12);
            --radius: 12px;
            --max-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一布局容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

        .logo-box img {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-menu a:hover {
            color: var(--primary);
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-block;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(230, 0, 92, 0.2);
        }

        /* 移动端导航切换 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: none;
        }

        .menu-toggle span {
            width: 24px;
            height: 2px;
            background-color: var(--text-main);
            transition: 0.3s;
        }

        /* 首屏 Hero - 禁止图片 */
        .hero {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 80% 20%, #fff0f5 0%, var(--bg-body) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 24px;
            letter-spacing: 1px;
            border: 1px solid rgba(230, 0, 92, 0.15);
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            line-height: 1.25;
        }

        .hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 15px rgba(230, 0, 92, 0.2);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230, 0, 92, 0.3);
        }

        .btn-secondary {
            background-color: #fff;
            color: var(--text-main);
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* 全局Section标题 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--text-main);
            font-weight: 700;
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            margin-top: 12px;
            font-size: 16px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s, box-shadow 0.3s;
        }

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

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .about-content h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .about-features {
            list-style: none;
        }

        .about-features li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }

        .about-features li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        .about-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .about-media img {
            width: 100%;
            display: block;
        }

        /* 服务体系卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 30px;
            transition: all 0.3s;
        }

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

        .service-icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

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

        .process-step {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 16px;
            box-shadow: 0 4px 10px rgba(230, 0, 92, 0.2);
        }

        .process-step h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .table-wrapper {
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            text-align: left;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        th {
            background-color: var(--primary-light);
            color: var(--text-main);
            font-weight: 700;
        }

        tr:last-child td {
            border-bottom: none;
        }

        .highlight-col {
            background-color: rgba(230, 0, 92, 0.02);
            font-weight: 600;
        }

        .star-rating {
            color: #ffcc00;
            font-size: 16px;
        }

        /* 需求匹配表单 */
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .form-info h3 {
            font-size: 24px;
            margin-bottom: 16px;
        }

        .form-info p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-md);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        /* Token比价与服务网络 */
        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
        }

        .info-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        /* 培训计划 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
        }

        .training-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .training-card p {
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 16px;
        }

        .training-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 常见问题排查与术语 */
        .trouble-section {
            background-color: var(--primary-light);
            border-radius: var(--radius);
            padding: 40px;
        }

        .trouble-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .trouble-item {
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
        }

        .trouble-item h4 {
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 15px;
        }

        .trouble-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-quest {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-quest::after {
            content: "+";
            font-size: 20px;
            color: var(--primary);
        }

        .faq-item.active .faq-quest::after {
            content: "-";
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafafa;
        }

        .faq-answer-content {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .comment-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .comment-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .comment-info h4 {
            font-size: 14px;
            margin-bottom: 2px;
        }

        .comment-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .comment-card p {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
        }

        /* 案例展示区（含图） */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .case-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .case-body {
            padding: 20px;
        }

        .case-body h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .case-body p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 知识库/文章列表 */
        .article-box {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
        }

        .article-list {
            list-style: none;
        }

        .article-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .article-list li:last-child {
            border-bottom: none;
        }

        .article-list a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
        }

        .article-list a:hover {
            color: var(--primary);
        }

        .article-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 浮动客服入口 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(230, 0, 92, 0.3);
            transition: transform 0.2s;
            text-decoration: none;
            font-size: 12px;
            font-weight: bold;
            text-align: center;
            line-height: 1.2;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .qr-popup {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            padding: 16px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            text-align: center;
            width: 160px;
        }

        .qr-popup img {
            width: 100%;
            height: auto;
            margin-bottom: 8px;
        }

        .qr-popup span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .qr-trigger:hover + .qr-popup,
        .qr-popup:hover {
            display: block;
        }

        /* 页脚 */
        footer {
            background-color: #111;
            color: #ccc;
            padding: 60px 0 30px;
            font-size: 14px;
        }

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

        .footer-logo img {
            height: 36px;
            margin-bottom: 16px;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 16px;
            font-weight: 600;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-contact p {
            margin-bottom: 8px;
        }

        .friend-links {
            border-top: 1px solid #222;
            padding-top: 20px;
            margin-top: 20px;
            font-size: 12px;
        }

        .friend-links a {
            color: #888;
            margin-right: 15px;
            text-decoration: none;
        }

        .friend-links a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid #222;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: #666;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .services-grid, .comments-grid, .cases-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .about-grid, .form-grid, .grid-2col, .trouble-grid {
                grid-template-columns: 1fr;
            }
            .services-grid, .comments-grid, .cases-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }