.container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            width: 100%;
        }


        /* 主要内容区域 */
        .contact-container {
            display: flex;
            flex-direction: column;
            gap: 60px;
            margin: 3rem 0 5rem;
        }

        .contact-info {
            padding: 0;
        }

        .contact-form {
            padding: 0;
        }

        .section-title {
            text-align: left;
            color: #1a3a6d;
            font-size: 2.2rem;
            margin-bottom: 2.5rem;
            font-weight: 300;
            position: relative;
            padding-bottom: 15px;
        }

        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 3px;
            background: #1a3a6d;
        }

        /* 联系信息卡片 */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 35px;
        }

        .info-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: 0;
        }

        .info-card i {
            font-size: 2.4rem;
            color: #1a3a6d;
            margin-bottom: 25px;
            opacity: 0.9;
        }

        .info-content h3 {
            color: #1a3a6d;
            margin-bottom: 15px;
            font-size: 1.4rem;
            font-weight: 400;
        }

        .info-content p {
            color: #555;
            font-size: 1.15rem;
            line-height: 1.8;
            font-weight: 300;
        }

        /* 表单样式 */
        .form-container {
            padding: 30px;
        }
        
        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 25px;
        }
        
        .form-group {
            position: relative;
        }
        
        .form-group.full-width {
            grid-column: 1 / span 2;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2c3e50;
            font-size: 1rem;
        }
        
        label::after {
            content: '*';
            color: #e74c3c;
            margin-left: 4px;
        }
        
        input, textarea {
            width: 100%;
            padding: 14px;
            border: 1px solid #e1e5ee;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        input:focus, textarea:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        
        input.error, textarea.error {
            border-color: #e74c3c;
            background-color: #fef7f7;
        }
        
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        
        .error-message {
            color: #e74c3c;
            font-size: 0.85rem;
            margin-top: 5px;
            display: none;
        }
        
        .submit-btn {
            text-align: center;
            margin-top: 10px;
        }
        
        button {
            background: linear-gradient(to right, #3498db, #2c3e50);
            color: white;
            border: none;
            padding: 14px 40px;
            font-size: 1.1rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
        }
        
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        .validation-rules {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 20px;
            margin-top: 30px;
            border-left: 4px solid #3498db;
        }
        
        .validation-rules h3 {
            color: #2c3e50;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .rules-list {
            list-style-type: none;
        }
        
        .rules-list li {
            padding: 8px 0;
            padding-left: 30px;
            position: relative;
            color: #34495e;
        }
        
        .rules-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            background: #3498db;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
        }
        
        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .form-group.full-width {
                grid-column: 1;
            }
        }
        
        .success-message {
            background: #2ecc71;
            color: white;
            text-align: center;
            padding: 20px;
            border-radius: 10px;
            margin-top: 20px;
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            display: none;
        }
        
        .spinner {
            width: 60px;
            height: 60px;
            border: 5px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: #3498db;
            animation: spin 1s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .status-message {
            background: #fff;
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            max-width: 400px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
            display: none;
            position: fixed;
            left:50%;
            top:50%;
            margin-top:-126px;
            margin-left:-200px;
        }
        
        .status-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        .success .status-icon {
            color: #2ecc71;
        }
        
        .error .status-icon {
            color: #e74c3c;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }


        /* 响应式设计 */
        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            
            .full-width {
                grid-column: span 1;
            }
            
            header h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .container {
                padding: 30px 15px;
            }
            
            .info-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {

            .section-title {
                font-size: 1.6rem;
            }
            
            .info-content p {
                font-size: 1.05rem;
            }
            
            button {
                width: 100%;
                justify-content: center;
            }
        }