/* 页脚样式 */
        .footer {
            background: linear-gradient(to right, #232526, #414345);
            color: #ecf0f1;
            padding: 60px 0 30px;
            margin-top: 70px;
        }
        
        .footer-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 25px;
        }
        
        .footer-top {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-column {
            margin-bottom: 20px;
        }
        
        .footer-column h3 {
            font-size: 22px;
            margin-bottom: 25px;
            color: #1abc9c;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: #3498db;
            border-radius: 3px;
        }
        
        .company-info {
            font-size: 15px;
            color: #bdc3c7;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 25px;
            text-align: center;
            font-size: 15px;
            color: #95a5a6;
        }
        
        .footer-bottom a {
            color: #1abc9c;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        
        .copyright {
            margin-top: 10px;
        }