/* 重置样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        /* 容器样式 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, #1e5799, #207cca);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
           /* position: sticky;*/
            top: 0;
            z-index: 1000;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
        }
        
        .logo span {
            color: #ffcc00;
        }
        
        /* 导航菜单 */
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #ffcc00;
        }
        
        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* 主要内容区域 */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
            color: white;
            padding: 5rem 0;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 1100px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background: #ffcc00;
            color: #1e5799;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background: #1e5799;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        /* 特性部分 */
        .features {
            padding: 4rem 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            color: #1e5799;
            position: relative;
            padding-bottom: 15px;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: #ffcc00;
            border-radius: 2px;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .feature-card {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
            text-align: center;
        }
        
        .feature-card i {
            font-size: 3rem;
            color: #207cca;
            margin-bottom: 1rem;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-card h3 {
            margin-bottom: 1rem;
            color: #207cca;
        }
        
        /* 图文展示区域 */
        .content-showcase {
            padding: 4rem 0;
            background-color: #f0f4f8;
        }
        
        .showcase-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }
        
        .showcase-text, .showcase-image {
            flex: 1;
            min-width: 300px;
        }
        
        .showcase-image img {
            width: 100%;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        
        .showcase-text h2 {
            color: #1e5799;
            margin-bottom: 1.5rem;
        }
        
        .showcase-text p {
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }
        
        /* 热门推荐区域 */
        .recommendations {
            padding: 4rem 0;
            background-color: white;
        }
        
        .recommendations-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .rec-btn {
            display: block;
            background: #207cca;
            color: white;
            padding: 1rem;
            border-radius: 6px;
            text-decoration: none;
            text-align: center;
            font-weight: 500;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .rec-btn:hover {
            background: #1e5799;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .rec-btn::after {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: 0.5s;
        }
        
        .rec-btn:hover::after {
            left: 100%;
        }
        
        /* 客户评价区域 */
        .testimonials {
            padding: 4rem 0;
            background-color: #f0f4f8;
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }
        
        .testimonial-card {
            background: white;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            position: relative;
        }
        
        .testimonial-card::before {
            content: " ";
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 5rem;
            color: #ffcc00;
            opacity: 0.2;
            font-family: Georgia, serif;
        }
        
        .testimonial-content {
            margin-bottom: 1.5rem;
            font-style: italic;
            line-height: 1.8;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #207cca;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            margin-right: 1rem;
        }
        
        .author-info h4 {
            color: #1e5799;
        }
        
        .author-info p {
            color: #666;
            font-size: 0.9rem;
        }
        
        /* 页脚 */
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-section h3 {
            margin-bottom: 1.5rem;
            color: #ffcc00;
        }
        
        .footer-section p {
            margin-bottom: 1rem;
        }
        
        .footer-section a {
            color: #ecf0f1;
            text-decoration: none;
            transition: color 0.3s;
            display: block;
            margin-bottom: 0.5rem;
        }
        
        .footer-section a:hover {
            color: #ffcc00;
        }
        
        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: all 0.3s;
        }
        
        .social-icons a:hover {
            background: #ffcc00;
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            nav {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #1e5799;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            
            nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            
            nav ul {
                flex-direction: column;
                padding: 1rem 0;
            }
            
            nav ul li {
                margin: 0;
                text-align: center;
                padding: 0.8rem 0;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .header-content {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 1rem;
            }
            
            .hero {
                padding: 2rem 0;
            }
            
            .recommendations-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }