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

        /* 头部样式 */
        header {
            padding: 4rem 0 2rem;
            text-align: center;
            background: #ffffff;
        }

        .logo {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #1a3a6d;
        }

        header h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            font-weight: 300;
            color: #1a3a6d;
            letter-spacing: -0.5px;
        }

        header p {
            font-size: 1.25rem;
            max-width: 600px;
            margin: 0 auto;
            color: #666;
            font-weight: 300;
            line-height: 1.8;
        }

        /* 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 {
            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-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .full-width {
            grid-column: span 2;
        }

        .form-group {
            margin-bottom: 30px;
        }

        .form-group label {
            display: block;
            margin-bottom: 12px;
            color: #1a3a6d;
            font-weight: 400;
            font-size: 1.1rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 18px 0;
            border: none;
            border-bottom: 1px solid #e0e7ff;
            font-size: 1.1rem;
            transition: all 0.3s;
            background: transparent;
            color: #333;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-bottom: 1px solid #1a3a6d;
        }

        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }

        .submit-btn {
            display: flex;
            justify-content: flex-start;
            margin-top: 20px;
        }

        button {
            background: #1a3a6d;
            color: white;
            border: none;
            padding: 18px 50px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 400;
            letter-spacing: 1px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        button:hover {
            background: #0d2a5c;
        }

        /* 页脚样式 */
        footer {
            background: #f9fafc;
            color: #1a3a6d;
            text-align: center;
            padding: 4rem 0;
            margin-top: auto;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin: 30px 0;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            color: #1a3a6d;
            font-size: 1.4rem;
            transition: all 0.3s ease;
            opacity: 0.8;
        }

        .social-links a:hover {
            opacity: 1;
            transform: translateY(-3px);
        }

        .copyright {
            margin-top: 30px;
            font-size: 1rem;
            color: #666;
            font-weight: 300;
        }

        .divider {
            height: 1px;
            background: #eaeff5;
            width: 100%;
            max-width: 800px;
            margin: 50px auto;
        }

        /* 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) {
            header {
                padding: 3rem 0 1.5rem;
            }
            
            header h1 {
                font-size: 2.2rem;
            }
            
            header p {
                font-size: 1.1rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .info-content p {
                font-size: 1.05rem;
            }
            
            button {
                width: 100%;
                justify-content: center;
            }
        }