/* 联系页面额外样式 */

.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 联系区块 */
.contact-section {
    background-color: #f9f9f9;
    padding: 4rem 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

/* 联系表单 */
.contact-form-container {
    background-color: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: bold;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-block {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

/* 联系信息 */
.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.contact-icon {
    font-size: 2.5rem;
}

.contact-details h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #7f8c8d;
    margin-bottom: 0.3rem;
}

.contact-note {
    font-size: 0.9rem;
    color: #95a5a6;
}

/* FAQ区块 */
.faq-section {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.faq-section h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.faq-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ecf0f1;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item strong {
    display: block;
    color: #2c3e50;
    margin-bottom: 0.3rem;
}

.faq-item p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

/* 表单验证 */
.form-group input:required:invalid:not(:placeholder-shown),
.form-group textarea:required:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

.form-group input:required:valid:not(:placeholder-shown),
.form-group textarea:required:valid:not(:placeholder-shown) {
    border-color: #27ae60;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .contact-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .form-title,
    .info-title {
        font-size: 1.5rem;
    }
}

/* 成功消息样式 */
.success-message {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    text-align: center;
    display: none;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}