 /* 商务合作页面样式 */
        .contact-container {
            padding: 30px 0;
        }
        .contact-container .center {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .contact-container h1 {
            text-align: center;
            margin-bottom: 30px;
            font-size: 36px;
            color: #333;
            position: relative;
            padding-bottom: 15px;
        }
        .contact-container h1:after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #0099ff;
        }
        .contact-section {
            background: #f9f9f9;
            border-radius: 10px;
            padding: 30px;
            margin-top: 30px;
            margin-bottom: 30px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        .contact-section h2 {
            font-size: 24px;
            color: #333;
            margin-bottom: 20px;
            position: relative;
            padding-left: 15px;
        }
        .contact-section h2:before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 24px;
            background-color: #0099ff;
        }
        .contact-section p {
            line-height: 1.8;
            margin-bottom: 15px;
            color: #555;
        }
        .contact-section ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .contact-section ul li {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        .contact-section ul li:before {
            content: "•";
            color: #0099ff;
            position: absolute;
            left: 0;
        }
        .contact-section a {
            color: #0099ff;
            text-decoration: none;
        }
        .contact-section a:hover {
            text-decoration: underline;
        }
        .cooperation-types {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }
        .cooperation-type {
            flex: 1;
            min-width: 280px;
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .cooperation-type:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .cooperation-type h3 {
            color: #0099ff;
            margin-bottom: 15px;
            font-size: 20px;
        }
        .cooperation-type p {
            margin-bottom: 0;
            color: #666;
        }
        .contact-form {
            background: white;
            border-radius: 8px;
            padding: 30px;
            margin-top: 30px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #333;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #0099ff;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: #0099ff;
            color: white;
            border: none;
            padding: 12px 30px;
            font-size: 16px;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #0077cc;
        }
        .contact-info {
            background: #e6f7ff;
            border-radius: 8px;
            padding: 20px;
            margin-top: 30px;
        }
        .contact-info h3 {
            color: #0099ff;
            margin-bottom: 15px;
        }
        .contact-info p {
            margin-bottom: 8px;
            color: #333;
        }
        .contact-info a {
            color: #0099ff;
            text-decoration: none;
        }
        .contact-info a:hover {
            text-decoration: underline;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        .contact-card {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .contact-card h3 {
            color: #0099ff;
            margin-bottom: 15px;
            font-size: 20px;
            display: flex;
            align-items: center;
        }
        .contact-card h3 i {
            margin-right: 10px;
            font-size: 24px;
        }
        .contact-card p {
            margin-bottom: 0;
            color: #666;
        }
        .contact-card .contact-value {
            font-size: 18px;
            color: #333;
            margin-top: 5px;
        }
        .contact-card .contact-value a {
            color: #0099ff;
            text-decoration: none;
        }
        .contact-card .contact-value a:hover {
            text-decoration: underline;
        }