/* 新闻详情页面样式 */

/* === 面包屑导航 === */
.breadcrumb-section {
    background: #F9F9F9;
    padding: 20px 0;
    border-bottom: 1px solid #E5E5E5;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.breadcrumb a:hover {
    color: var(--primary-blue);
}

.breadcrumb .separator {
    color: var(--text-light);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

/* === 详情内容区域 === */
.detail-content {
    padding: 60px 0;
    background: var(--bg-white);
}

.detail-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
}

.detail-layout--article-only {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    max-width: 980px;
    margin: 0 auto;
}

.detail-layout--article-only .detail-main {
    width: 100%;
}

/* === 左侧侧边栏 === */
.sidebar {
    background: #F9F9F9;
    border-radius: var(--border-radius);
    padding: 0;
    height: fit-content;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.sidebar-header {
    background: transparent;
    color: var(--text-primary);
    padding: 20px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    position: relative;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 16px 0;
}

.title-line {
    width: 150px;
    height: 2px;
    background: linear-gradient(90deg, #60B83C 0%, #109AFC 100%);
    border-radius: 0px 0px 0px 0px;
}

.product-categories {
    padding: 20px;
    max-height: none;
    overflow-y: visible;
}

.category-item {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
    position: relative;
}

.category-divider {
    width: 299px;
    height: 1px;
    background: linear-gradient(90deg, #60B83C 0%, #109AFC 100%);
    border-radius: 0px 0px 0px 0px;
    margin: 15px 0;
    display: none;
}

.category-item.active .category-divider {
    display: block;
}

.category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    cursor: pointer;
    position: relative;
    padding: 12px 20px 12px 0;
    transition: var(--transition-normal);
}

.category-title::after {
    content: '›';
    position: absolute;
    right: 0;
    color: var(--text-light);
    transform: rotate(0deg);
    transition: var(--transition-normal);
    font-size: 18px;
    top: 50%;
    margin-top: -9px;
}

.category-title:hover {
    color: var(--primary-blue);
}

.category-item.active .category-title {
    color: var(--primary-blue);
}

.category-item.active .category-title::after {
    transform: rotate(90deg);
    color: var(--primary-blue);
}

.product-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
    margin-bottom: 12px;
    max-height: 200px;
    overflow-y: auto;
}

.product-list::-webkit-scrollbar {
    width: 6px;
}

.product-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.product-list::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, #60B83C 0%, #109AFC 100%);
    border-radius: 3px;
}

.product-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(90deg, #4a9c2e 0%, #0e88d4 100%);
}

.category-item.active .product-list {
    display: block;
}

.product-list li {
    margin-bottom: 8px;
}

.product-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: var(--transition-normal);
    border-radius: 0 4px 4px 0;
}

.product-link:hover,
.product-link.active {
    color: var(--primary-blue);
    border-left-color: var(--primary-blue);
    background: rgba(52, 152, 219, 0.1);
}

/* === 右侧详情内容 === */
.detail-main {
    flex: 1;
}

.article {
    background: var(--bg-white);
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-light);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0 0 16px 0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.article-date {
    font-weight: 500;
}

.article-content {
    line-height: 1.8;
}

.article-image {
    margin-bottom: 40px;
    text-align: center;
}

.detail-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
}

.article-text {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.8;
}

.article-text p {
    margin: 0 0 24px 0;
    text-align: justify;
}

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

/* === 上下篇导航 - 独立模块 === */
.article-nav {
    padding: 40px 0 24px 0;
    background: transparent;
    position: relative;
    z-index: 10;
}

.article-nav .nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
}

.article-nav .nav-item {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    flex: 0 0 45%;
    max-width: 45%;
    position: relative;
    z-index: 11;
}

.article-nav .nav-item.prev {
    justify-content: flex-start;
}

.article-nav .nav-item.next {
    justify-content: flex-end;
    text-align: right;
    padding-left: 90px;
}

.article-nav .nav-label {
    font-size: 16px;
    font-weight: 600;
    color: #1F2329;
    white-space: nowrap;
    min-width: 60px;
    margin-right: 6px;
}

.article-nav .nav-link {
    color: #1F2329 !important;
    font-size: 16px;
    flex: 1;
    font-weight: 400;
    line-height: 1.5;
    position: relative;
    z-index: 12;
    display: block;
    cursor: pointer;
}

.article-nav .nav-link,
.article-nav .nav-link:link,
.article-nav .nav-link:visited,
.article-nav .nav-link:hover,
.article-nav .nav-link:active,
.article-nav .nav-link:focus {
    text-decoration: none !important;
    text-decoration-line: none !important;
    text-decoration-color: transparent !important;
    text-decoration-style: none !important;
    text-underline-offset: 0 !important;
    border-bottom: none !important;
    box-shadow: none !important;
}

/* 使用伪元素强制覆盖任何下划线 */
.article-nav .nav-link::before,
.article-nav .nav-link::after {
    content: none !important;
    border: none !important;
    text-decoration: none !important;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .sidebar {
        order: -1;
    }
    
    .article-title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .detail-content {
        padding: 40px 0;
    }
    
    .breadcrumb {
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .sidebar {
        margin: 0 -20px;
        border-radius: 0;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-text {
        font-size: 15px;
    }
    
    .article-nav .nav-item {
        flex-direction: column;
        gap: 8px;
    }
    
    .article-nav .nav-label {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .breadcrumb-section {
        padding: 15px 0;
    }
    
    .breadcrumb {
        font-size: 12px;
    }
    
    .breadcrumb .separator {
        display: none;
    }
    
    .breadcrumb {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .article-title {
        font-size: 20px;
    }
    
    .article-text {
        font-size: 14px;
    }
}

/* 确保header导航栏不受影响 */
.header .container {
    width: 100% !important;
    max-width: var(--container-width) !important;
    margin: 0 auto !important;
    padding: var(--container-padding) !important;
}

/* 保持导航间距与全站一致 */
.navbar .nav-menu {
    gap: 24px;
    justify-content: flex-start;
    padding-left: 0 !important;
    padding-right: 0 !important;
}