/* ============================================
   CenterPHP 关于我们样式
   ============================================ */

/* 页面布局 */
.about-page {
    min-height: calc(100vh - 64px);
    background: #f8fafc;
    padding: 48px 0;
}

/* 页面标题 */
.about-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-title {
    font-size: 36px;
    font-weight: 700;
    color: #1e2b3c;
    margin-bottom: 12px;
}

.about-subtitle {
    font-size: 16px;
    color: #6b7280;
}

/* 关于区块 */
.about-section {
    margin-bottom: 32px;
}

.section-card {
    background: white;
    border-radius: 6px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: #1e2b3c;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title i {
    color: #23a894;
}

/* 平台介绍内容 */
.about-content {
    padding-top: 8px;
}

.about-text {
    font-size: 15px;
    color: #5e6f7d;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-text:last-child {
    margin-bottom: 0;
}

.about-text strong {
    color: #1e2b3c;
    font-weight: 600;
}

/* 优势网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.advantage-item {
    display: flex;
    gap: 16px;
}

.advantage-icon {
    width: 48px;
    height: 48px;
    background: #e8f7f5;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #23a894;
    font-size: 20px;
    flex-shrink: 0;
}

.advantage-content {
    flex: 1;
}

.advantage-title {
    font-size: 16px;
    font-weight: 600;
    color: #1e2b3c;
    margin-bottom: 8px;
}

.advantage-description {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
}

/* 联系我们 */
.contact-content {
    padding-top: 8px;
}

.contact-intro {
    font-size: 15px;
    color: #5e6f7d;
    margin-bottom: 24px;
    line-height: 1.6;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 6px;
}

.contact-card i {
    width: 40px;
    height: 40px;
    background: #e8f7f5;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #23a894;
    font-size: 18px;
    flex-shrink: 0;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 14px;
    color: #6b7280;
}

.contact-value {
    font-size: 15px;
    color: #1e2b3c;
    font-weight: 500;
    padding: 4px 8px;
}

a.contact-value {
    text-decoration: none;
    transition: color 0.2s;
}

a.contact-value:hover {
    color: #23a894;
}

.feedback-btn {
    padding: 8px 12px;
    background: #e8f7f5;
    border: 1px solid #d1f0eb;
    border-radius: 3px;
    color: #23a894;
    font-size: 14px;
    cursor: pointer;
}

/* 覆盖领域 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.75rem 1rem;
    background: #f9fafb;
    border-radius: 8px;
    font-size: 0.95rem;
    color: #23a894;
}

.category-item i {
    color: #23a894;
    width: 20px;
    text-align: center;
}

.category-link-text {
    text-align: center;
    margin-top: 0.5rem;
}

.category-link-text a {
    color: #23a894;
    text-decoration: none;
    font-weight: 500;
}

.category-link-text a:hover {
    text-decoration: underline;
}

/* 响应式 - 平板设备 */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式 - 移动设备 */
@media (max-width: 768px) {
    .about-page {
        padding: 32px 0;
    }
    
    .about-title {
        font-size: 28px;
    }
    
    .section-card {
        padding: 24px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 响应式 - 小屏设备 */
@media (max-width: 480px) {
    .about-title {
        font-size: 24px;
    }
    
    .about-subtitle {
        font-size: 14px;
    }
    
    .section-card {
        padding: 20px;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .advantage-icon {
        margin: 0 auto;
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-card i {
        margin: 0 auto;
    }
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}