/* ============================================================
   template1/css/news-detail.css — 供应商新闻详情页专属样式
   富文本样式（.rich-text-content）已内置于本文件，
   无需额外引入 ../css/product.css
   ============================================================ */

/* ---- 新闻详情主区背景 ---- */
.news-detail-layout {
    padding: 30px 0 60px;
    background: #f5f5f5;
}

/* ---- 两栏布局 ---- */
.news-detail-main {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}

/* ---- 文章主内容卡片 ---- */
.news-article-card {
    background: #fff;
    border-radius: 8px;
    padding: 40px 48px;
    border: 1px solid #efefef;
}

/* 文章标题 */
.news-article-card h1.article-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #222;
    line-height: 1.5;
    margin-bottom: 18px;
}

/* 文章 Meta（分类 + 日期 + 阅读量） */
.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: var(--font-size-sm);
    color: #999;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.article-meta__category {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s;
}

.article-meta__category:hover {
    opacity: 0.8;
}

.article-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* 封面图 */
.article-cover {
    width: 100%;
    border-radius: 6px;
    margin-bottom: 30px;
    max-height: 420px;
    object-fit: cover;
}

/* ---- 上一篇 / 下一篇导航 ---- */
.article-nav {
    border-top: 1px solid #f0f0f0;
    margin-top: 40px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.article-nav__item {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #555;
    font-size: var(--font-size-base);
    transition: color 0.2s;
    max-width: 48%;
}

.article-nav__item:hover {
    color: var(--color-primary);
}

.article-nav__label {
    font-size: var(--font-size-xs);
    color: #bbb;
    white-space: nowrap;
    flex-shrink: 0;
}

.article-nav__title {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 500;
}

/* ---- 侧边栏 ---- */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 20px;
}

/* 侧边栏卡片 */
.sidebar-card {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #efefef;
    overflow: hidden;
}

.sidebar-card__header {
    padding: 16px 20px;
    font-size: var(--font-size-base);
    font-weight: 700;
    color: #333;
    border-bottom: 2px solid var(--color-primary);
    background: #fafafa;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-card__header i {
    color: var(--color-primary);
    font-size: 18px;
}

/* 侧边栏列表（最新新闻） */
.sidebar-news-list {
    padding: 10px 0;
    list-style: none;
    margin: 0;
}

.sidebar-news-item {
    padding: 0;
    border-bottom: 1px solid #f5f5f5;
}

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

.sidebar-news-item a {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    text-decoration: none;
    transition: background 0.2s;
}

.sidebar-news-item a:hover {
    background: #f7fffe;
}

.sidebar-news-item__thumb {
    width: 70px;
    height: 52px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.sidebar-news-item__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.sidebar-news-item__title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: #333;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.sidebar-news-item a:hover .sidebar-news-item__title {
    color: var(--color-primary);
}

.sidebar-news-item__date {
    font-size: var(--font-size-xs);
    color: #bbb;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 分类标签侧边栏 */
.sidebar-tags {
    padding: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sidebar-tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    text-decoration: none;
    background: #f0faf8;
    color: var(--color-primary);
    border: 1px solid rgba(4, 163, 140, 0.2);
    transition: all 0.25s;
}

.sidebar-tag:hover,
.sidebar-tag.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* ---- 面包屑 ---- */
.breadcrumb-custom {
    margin-bottom: 20px;
}

.breadcrumb-custom .breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
    font-size: var(--font-size-sm);
}

.breadcrumb-custom .breadcrumb-item a {
    color: #888;
    text-decoration: none;
    transition: color 0.2s;
}

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

.breadcrumb-custom .breadcrumb-item.active {
    color: #555;
}

.breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before {
    color: #ccc;
}

/* ---- 分享按钮 ---- */
.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
    flex-wrap: wrap;
}

.article-share__label {
    font-size: var(--font-size-sm);
    color: #999;
    font-weight: 500;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    border: 1px solid #ddd;
    color: #666;
    background: #fff;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s;
}

.share-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ---- 响应式 ---- */
@media (max-width: 1199px) {
    .news-detail-main {
        grid-template-columns: 1fr 280px;
    }
    .news-article-card {
        padding: 30px 30px;
    }
}

@media (max-width: 991px) {
    .news-detail-main {
        grid-template-columns: 1fr;
    }
    .news-sidebar {
        position: static;
    }
    .news-article-card {
        padding: 24px 20px;
    }
    .news-article-card h1.article-title {
        font-size: 20px;
    }
}

@media (max-width: 767px) {
    .news-detail-layout {
        padding: 20px 0 40px;
    }
    .article-nav {
        flex-direction: column;
    }
    .article-nav__item {
        max-width: 100%;
    }
}