/* about.html页面专用样式 - 左右两列宽度互换 */

/* 左右两列宽度互换 */
.news-content-container {
    display: flex;
    gap: 10px;
}

.news-content-left {
    width: 100%;
    max-width: 306px;
    flex-shrink: 0;
}

.news-content-right {
    flex: 3.05;
    max-width: 100%;
}

/* 移动端响应式设计 */
@media (max-width: 768px) {
    .news-content-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .news-content-left {
        max-width: none;
        width: 100%;
    }
    
    .news-content-right {
        width: 100%;
    }
}

/* 关于我们页面样式 */
.about-intro-section {
    padding: 30px;
}

.about-content {
    margin-top: 20px;
}

.about-text h3 {
    font-size: 18px;
    font-weight: 600;
    color: #2b3079;
    margin: 25px 0 15px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid #f0f0f0;
}

.about-text p {
    font-size: 15px;
    line-height: 1.7;
    color: #495057;
    margin-bottom: 15px;
    text-align: justify;
}

.about-text ul {
    margin: 15px 0;
    padding-left: 25px;
}

.about-text li {
    font-size: 14px;
    line-height: 1.6;
    color: #495057;
    margin-bottom: 8px;
}

.about-text strong {
    color: #2b3079;
    font-weight: 600;
}

.contact-info {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 20px;
    margin-top: 20px;
}

.contact-info p {
    margin-bottom: 8px;
    font-size: 14px;
}

/* 左侧菜单内容样式 - 从news.css迁移 */

/* 栏目导航菜单样式 */
.category-nav-section {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 12px;
}

.primary-category {
    background: #2b3079;
    padding: 15px 20px;
    text-align: center;
}

.category-name {
    color: white;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* PC端：单列显示 */
.secondary-categories {
    display: flex;
    flex-direction: column;
    gap: 0px;
    padding: 12px;
}

.category-link {
    display: block;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 6px;
    text-decoration: none;
    color: #495057;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    text-align: center;
}

.category-link:hover,
.category-link.active {
    background: #e9ecef;
    color: #2b3079;
    border-left-color: #2b3079;
    transform: translateX(3px);
}

/* 移动端响应式设计：3列显示 */
@media (max-width: 768px) {
    .primary-category {
        padding: 12px 15px;
    }
    
    .category-name {
        font-size: 16px;
    }
    
    .secondary-categories {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 5px;
        padding: 10px 10px;
    }
    
    .category-link {
        padding: 8px 8px;
        font-size: 14px;
        border-left: none;
        border: 1px solid #e9ecef;
        border-radius: 4px;
        text-align: center;
        background: #f8f9fa;
        transition: all 0.3s ease;
    }
    
    .category-link:hover,
.category-link.active {
        background: #2b3079;
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(43, 48, 121, 0.2);
        border-color: #2b3079;
    }
}

/* 单列菜单样式 */
.secondary-categories.single-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.secondary-categories.single-column .category-link {
    display: block;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 6px;
    text-decoration: none;
    color: #495057;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.secondary-categories.single-column .category-link:hover,
.secondary-categories.single-column .category-link.active {
    background: #e9ecef;
    color: #2b3079;
    border-left-color: #2b3079;
    transform: translateX(3px);
}

/* 移动端关于我们页面适配 */
@media (max-width: 768px) {
    .about-intro-section {
        padding: 20px 15px;
    }
    
    .about-text h3 {
        font-size: 16px;
        margin: 20px 0 12px 0;
    }
    
    .about-text p {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .about-text li {
        font-size: 13px;
    }
    
    .contact-info {
        padding: 15px;
    }
    
    .secondary-categories.single-column .category-link {
        padding: 10px 12px;
        font-size: 13px;
    }
}