:root {
            --primary: #ff007a;
            --secondary: #7928ca;
            --dark: #0f172a;
            --light: #f8fafc;
            --text-main: #334155;
            --text-dark: #0f172a;
            --accent: #00f2fe;
            --border-color: #e2e8f0;
            --card-bg: #ffffff;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        body {
            background-color: var(--light);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 顶部导航 */
        header {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 122, 0.4);
        }

        .btn-outline {
            border: 2px solid var(--text-dark);
            color: var(--text-dark);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--text-dark);
            color: #ffffff;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            transition: var(--transition);
        }

        /* Hero首屏 - 无图片设计 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(121, 40, 202, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 122, 0.08), transparent 40%),
                        #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 122, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--text-dark);
            max-width: 850px;
            margin: 0 auto 20px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-main);
            max-width: 650px;
            margin: 0 auto 35px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .hero-features {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .hero-feature-item svg {
            color: var(--primary);
            width: 20px;
            height: 20px;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-main);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 统一卡片与网格 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border-color: rgba(255, 0, 122, 0.2);
        }

        /* 统计卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-main);
            font-weight: 600;
        }

        /* 关于我们 */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 15px;
        }

        .brand-highlight {
            font-weight: 700;
            color: var(--primary);
        }

        /* 服务与场景 */
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(255,0,122,0.1), rgba(121,40,202,0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 15px;
        }

        .tag {
            font-size: 0.75rem;
            padding: 3px 10px;
            background: #f1f5f9;
            border-radius: 50px;
            color: var(--text-main);
        }

        /* 标准化流程 & 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background-color: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            margin-bottom: 40px;
            position: relative;
            width: 50%;
            padding-right: 30px;
        }

        .timeline-item:nth-child(even) {
            align-self: flex-end;
            margin-left: auto;
            padding-right: 0;
            padding-left: 30px;
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--primary);
            position: absolute;
            right: -8px;
            top: 5px;
            z-index: 2;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
            right: auto;
        }

        .timeline-content {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            margin: 30px 0;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

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

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

        th {
            background-color: #f1f5f9;
            color: var(--text-dark);
            font-weight: 700;
        }

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

        .highlight-cell {
            background-color: rgba(255, 0, 122, 0.02);
            font-weight: 600;
        }

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .case-card {
            border-radius: 16px;
            overflow: hidden;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #e2e8f0;
            position: relative;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-body {
            padding: 20px;
        }

        /* 表单匹配 */
        .form-section {
            background: linear-gradient(135deg, rgba(255, 0, 122, 0.03), rgba(121, 40, 202, 0.03));
        }

        .form-wrapper {
            max-width: 600px;
            margin: 0 auto;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.03);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }

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

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 0, 122, 0.1);
        }

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

        .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            user-select: none;
        }

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

        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-main);
        }

        .faq-icon {
            transition: var(--transition);
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.01);
        }

        .review-rating {
            color: #fbbf24;
            margin-bottom: 15px;
            font-size: 1.25rem;
        }

        .review-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .author-info h4 {
            font-size: 0.95rem;
            color: var(--text-dark);
        }

        .author-info span {
            font-size: 0.8rem;
            color: #64748b;
        }

        /* 资讯与知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .news-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
        }

        .news-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .news-card a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .news-card a:hover {
            color: var(--primary);
        }

        /* 悬浮客服 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 55px;
            height: 55px;
            border-radius: 50%;
            background-color: var(--card-bg);
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            transform: translateY(-3px);
            background-color: var(--primary);
            color: #ffffff;
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
        }

        .float-popover {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            width: 220px;
            text-align: center;
        }

        .float-popover img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }

        .float-btn:hover .float-popover {
            display: block;
        }

        /* 友情链接与底部 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 80px 0 40px;
            font-size: 0.9rem;
        }

        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }

        footer a:hover {
            color: var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-logo img {
            height: 40px;
        }

        .footer-col h3 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            border-top: 1px solid #334155;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid #334155;
            padding-top: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .about-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--card-bg);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 40px;
                padding-right: 0;
            }
            .timeline-item:nth-child(even) {
                padding-left: 40px;
            }
            .timeline-dot {
                left: 12px;
                right: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }