* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            margin-bottom: 70px;
        }
        
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: #1a1a1a;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }
        
        .subtitle {
            font-size: 1.4rem;
            color: #666;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        .contact-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }
        
        .contact-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 40px 30px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            flex: 1;
            min-width: 260px;
            max-width: 500px;
            border: 1px solid #f0f0f0;
            position: relative;
            overflow: hidden;
        }
        
        .contact-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, #ff6b00, #ff8c42);
        }
        
        .contact-card:hover {
            transform: translateY(-12px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
        
        .contact-icon {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
            font-size: 2.8rem;
            color: white;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }
        
        .contact-card:hover .contact-icon {
            transform: scale(1.1);
        }
        
        .email .contact-icon {
            background: linear-gradient(135deg, #ea4335, #ff6b6b);
        }
        
        .wechat .contact-icon {
            background: linear-gradient(135deg, #07c160, #4cd964);
        }
        
        .qq .contact-icon {
            background: linear-gradient(135deg, #12b7f5, #5ac8fa);
        }
        
        .wechat-public .contact-icon {
            background: linear-gradient(135deg, #ff6b00, #ff9f43);
        }
        
        .contact-title {
            font-size: 1.7rem;
            margin-bottom: 18px;
            color: #1a1a1a;
            font-weight: 600;
        }
        
        .contact-info {
            font-size: 1.4rem;
            margin-bottom: 22px;
            color: #333;
            font-weight: 600;
            background: #f8f9fa;
            padding: 10px 15px;
            border-radius: 8px;
            width: 100%;
        }
        
        .contact-desc {
            color: #666;
            margin-bottom: 28px;
            flex-grow: 1;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        
        .qr-code {
            width: 170px;
            height: 170px;
            background: #f8f9fa;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 10px;
            border: 1px solid #e9ecef;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .qr-code img {
            max-width: 100%;
            max-height: 100%;
        }
        
        .qr-placeholder {
            color: #999;
            font-size: 0.95rem;
        }
        
        .action-btn {
            display: inline-block;
            background: linear-gradient(90deg, #ff6b00, #ff8c42);
            color: white;
            padding: 14px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 20px;
            transition: all 0.3s ease;
            border: none;
            font-size: 1.05rem;
            box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
        }
        
        .action-btn:hover {
            background: linear-gradient(90deg, #e55a00, #ff7b2e);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
        }
        
        .service-highlight {
            text-align: center;
            margin-bottom: 50px;
            padding: 25px;
            border-radius: 12px;
            max-width: 100%;
            margin-left: auto;
            margin-right: auto;
           
        }
        
        .service-highlight h2 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: #1a1a1a;
        }
        
        .service-highlight p {
            font-size: 1.1rem;
            color: #666;
        }
        
        @media (max-width: 1100px) {
            .contact-container {
                flex-wrap: wrap;
            }
            
            .contact-card {
                min-width: 240px;
            }
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.4rem;
            }
            
            .contact-container {
                flex-direction: column;
                align-items: center;
            }
            
            .contact-card {
                width: 100%;
                max-width: 350px;
            }
            
            .subtitle {
                font-size: 1.2rem;
            }
        }