/* 变量定义 - 明艳撞色风 */
        :root {
            --primary: #0052ff;      /* 科技蓝 */
            --secondary: #ff005b;    /* 明艳玫红 */
            --accent: #ffbe0b;       /* 亮黄撞色 */
            --dark: #0f172a;         /* 深蓝黑 */
            --light: #f8fafc;        /* 浅灰底色 */
            --white: #ffffff;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --gray-800: #1e293b;
            --border-radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

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

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.3);
        }

        .btn-primary:hover {
            background-color: #0041cc;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.4);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--dark);
            box-shadow: 0 4px 14px rgba(255, 190, 11, 0.3);
        }

        .btn-accent:hover {
            background-color: #e5ab00;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 190, 11, 0.4);
        }

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

        .btn-outline:hover {
            background-color: var(--dark);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* 导航栏 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--gray-200);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .brand img {
            height: 40px;
        }

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

        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--gray-800);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: var(--gray-100);
        }

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

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 首屏 Hero - 无图片，纯色/渐变/几何块撞色 */
        .hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #f0f4ff 0%, #ffeef4 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--dark);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
            opacity: 0.4;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: var(--secondary);
            filter: blur(120px);
            opacity: 0.15;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            background-color: var(--secondary);
            color: var(--white);
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 700;
            border-radius: 20px;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transform: rotate(-1deg);
        }

        .hero h1 {
            font-size: 40px;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 900;
        }

        .hero h1 span {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .hero h1 span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background-color: rgba(255, 190, 11, 0.6);
            z-index: -1;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--gray-600);
            margin-bottom: 35px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--gray-200);
            position: relative;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background-color: var(--white);
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            border-radius: var(--border-radius);
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0 var(--dark);
        }

        .stat-num {
            font-size: 42px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--gray-600);
            font-weight: 600;
        }

        /* 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--white);
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            padding: 35px 25px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            border-color: var(--dark);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .service-card:hover::before {
            width: 8px;
            background-color: var(--secondary);
        }

        .service-icon {
            font-size: 32px;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 平台标签云 */
        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 900px;
            margin: 30px auto 0;
        }

        .platform-tag {
            background-color: var(--white);
            border: 1px solid var(--gray-200);
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            color: var(--gray-800);
            transition: var(--transition);
        }

        .platform-tag:hover {
            border-color: var(--primary);
            background-color: rgba(0, 82, 255, 0.05);
            color: var(--primary);
            transform: scale(1.05);
        }

        /* 流程步骤 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .process-step {
            text-align: center;
            position: relative;
            background: var(--white);
            border: 2px solid var(--dark);
            border-radius: var(--border-radius);
            padding: 30px 20px;
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--dark);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            margin: 0 auto 15px;
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background-color: var(--white);
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            border-radius: var(--border-radius);
            margin: 30px 0;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-200);
        }

        .comparison-table th {
            background-color: var(--gray-100);
            font-weight: 700;
            color: var(--dark);
        }

        .comparison-table tr:hover {
            background-color: rgba(0, 82, 255, 0.02);
        }

        .badge-success {
            background-color: #2ec4b6;
            color: var(--white);
            padding: 4px 8px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 4px;
        }

        .badge-warning {
            background-color: #ff9f1c;
            color: var(--white);
            padding: 4px 8px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 4px;
        }

        .rating-box {
            background-color: var(--accent);
            color: var(--dark);
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            border: 2px solid var(--dark);
            margin-bottom: 30px;
            font-weight: 800;
        }

        /* 案例与素材展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .case-card {
            background-color: var(--white);
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            border-color: var(--dark);
            transform: translateY(-5px);
        }

        .case-img-container {
            position: relative;
            aspect-ratio: 16/9;
            background-color: var(--gray-100);
            overflow: hidden;
        }

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

        .case-content {
            padding: 20px;
        }

        .case-tag {
            font-size: 11px;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .case-content h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-content p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            border-radius: var(--border-radius);
            padding: 25px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            background-color: var(--accent);
            transform: translateY(-3px);
        }

        .training-card h4 {
            font-size: 16px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 12px;
            color: var(--gray-600);
        }

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

        .testimonial-card {
            background-color: var(--white);
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            padding: 30px;
            position: relative;
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--gray-800);
            font-style: italic;
            margin-bottom: 20px;
        }

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

        .author-info h5 {
            font-size: 15px;
            font-weight: 700;
        }

        .author-info span {
            font-size: 12px;
            color: var(--gray-600);
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--white);
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--dark);
        }

        .faq-trigger {
            width: 100%;
            background: none;
            border: none;
            padding: 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-icon {
            font-size: 20px;
            transition: var(--transition);
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
        }

        .faq-content p {
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 智能匹配与表单 */
        .form-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1e1b4b 100%);
            color: var(--white);
            border-bottom: none;
        }

        .form-section .section-title {
            color: var(--white);
        }

        .form-container {
            max-width: 650px;
            margin: 0 auto;
            background-color: var(--white);
            color: var(--dark);
            padding: 40px;
            border-radius: var(--border-radius);
            border: 4px solid var(--accent);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 2px solid var(--gray-200);
            border-radius: 8px;
            outline: none;
            transition: var(--transition);
        }

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

        /* 资讯与知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .article-card {
            background-color: var(--white);
            border: 1px solid var(--gray-200);
            border-radius: var(--border-radius);
            padding: 20px;
            transition: var(--transition);
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .article-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .article-card a {
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .info-icon {
            font-size: 24px;
            color: var(--primary);
        }

        .info-text h4 {
            font-size: 16px;
            font-weight: 700;
        }

        .info-text p, .info-text a {
            font-size: 14px;
            color: var(--gray-600);
        }

        .qr-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
            max-width: 320px;
            margin: 0 auto;
        }

        .qr-card img {
            max-width: 180px;
            margin: 0 auto 15px;
            border: 1px solid var(--gray-200);
        }

        .qr-card p {
            font-size: 14px;
            font-weight: 700;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 20px;
            font-size: 14px;
        }

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

        .footer-brand img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-title {
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

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

        .friend-links a {
            background-color: rgba(255,255,255,0.1);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 浮动客服入口 */
        .float-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--secondary);
            transform: scale(1.05);
        }

        .float-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 15px;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            display: none;
            text-align: center;
            width: 160px;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
            margin-bottom: 5px;
        }

        .float-qr p {
            color: var(--dark);
            font-size: 11px;
            font-weight: 700;
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--white);
                border-bottom: 2px solid var(--dark);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 32px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
            }
            
            .form-container {
                padding: 20px;
            }
        }