/* 联系我们页面样式 */

/* 标题部分样式 */
.contact-header {
    background: linear-gradient(rgba(52, 152, 219, 0.8), rgba(41, 128, 185, 0.8)),
                url('https://images.unsplash.com/photo-1579621970588-a35d0e7ab9b6?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    color: white;
}

.contact-header h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin: 0;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.contact-header h2::after {
    display: none;
}

/* 内容部分样式 */
.contact-content-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

/* 两列布局 */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* 左侧联系信息 */
.contact-info {
    padding: 2.5rem;
    background: #f8f9fa;
    border-right: 1px solid #e9ecef;
}

.contact-item {
    margin-bottom: 1.5rem;
    padding: 1.2rem;
    background: white;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border-left: 3px solid #3498db;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    background: #e3f2fd;
    border-left-color: #1abc9c;
}

.contact-item strong {
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.contact-item span,
.contact-item {
    color: #555;
    font-size: 1rem;
}

/* 右侧联系表单 */
.contact-form {
    padding: 2.5rem;
    background: white;
}

.contact-form h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: left;
}

/* 表单样式 */
form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: #2c3e50;
    font-size: 1rem;
}

.required {
    color: #e74c3c;
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    padding: 0.8rem 1rem;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    font-size: 1rem;
    color: #333;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.form-submit {
    margin-top: 1rem;
}

.form-submit .btn-primary {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}

/* 响应式设计 */
@media (max-width: 900px) {
    .contact-header {
        padding: 4rem 0;
    }
    
    .contact-header h2 {
        font-size: 2.3rem;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-info {
        border-right: none;
        border-bottom: 1px solid #e9ecef;
    }
    
    .contact-info,
    .contact-form {
        padding: 2rem;
    }
    
    .contact-form h3 {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .contact-header {
        padding: 3rem 0;
    }
    
    .contact-header h2 {
        font-size: 2rem;
    }
    
    .contact-info,
    .contact-form {
        padding: 1.5rem;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.7rem 0.9rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .contact-header {
        padding: 2.5rem 0;
    }
    
    .contact-header h2 {
        font-size: 1.8rem;
    }
    
    .contact-info,
    .contact-form {
        padding: 1.2rem;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .contact-item strong {
        font-size: 1rem;
    }
    
    .form-group label {
        font-size: 0.95rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
}