:root {
            --primary-blue: #004a99;
            --accent-orange: #e67e22;
            --text-dark: #2c3e50;
            --bg-light: #f8fafc;
        }

        .contact-section {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
        }

        /* 顶部标题区 */
        .contact-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .contact-header h1 {
            font-size: 2.8em;
            color: var(--primary-blue);
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .contact-header .underline {
            width: 80px;
            height: 4px;
            background: var(--accent-orange);
            margin: 0 auto 20px;
        }

        /* 联系方式横向卡片区 */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .info-box {
            background: var(--bg-light);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }

        .info-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            background: #fff;
            border-color: var(--primary-blue);
        }

        .info-icon {
            font-size: 2.5em;
            margin-bottom: 15px;
            display: block;
        }

        .info-box h3 {
            color: var(--primary-blue);
            margin-bottom: 10px;
            font-size: 1.2em;
        }

        .info-box p, .info-box a {
            color: #64748b;
            text-decoration: none;
            line-height: 1.6;
            font-size: 1.05em;
        }

        .info-box a:hover {
            color: var(--accent-orange);
        }

        /* 全宽地图区 */
        .map-wrapper {
            width: 100%;
            height: 500px; /* 增加了高度 */
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }

        iframe {
            width: 100%;
            height: 100%;
            border: 0;
        }

        /* 底部备注 */
        .contact-footer {
            margin-top: 30px;
            text-align: center;
            color: #94a3b8;
            font-style: italic;
        }

        @media (max-width: 768px) {
            .contact-header h1 { font-size: 2em; }
            .map-wrapper { height: 350px; }
        }