/* 资讯门户风 · 多栏目聚合 */
:root { --main: #C8102E; --dark: #1F2937; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #F5F6F8; color: #333; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif; font-size: 15px; line-height: 1.8; }
a { color: #333; text-decoration: none; }
a:hover { color: var(--main); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* 顶部条 */
.topbar { background: var(--dark); color: #9ca3af; font-size: 12px; }
.topbar .wrap { display: flex; justify-content: space-between; height: 34px; align-items: center; }
.topbar .notice { color: #fbbf24; }

/* 头部 */
.site-header { background: #fff; border-bottom: 3px solid var(--main); }
.site-header .hd { display: flex; align-items: center; gap: 30px; padding: 22px 0; }
.logo { font-size: 30px; font-weight: 800; color: var(--main); letter-spacing: 1px; white-space: nowrap; }
.logo span { color: var(--dark); }
.search-form { margin-left: auto; display: flex; }
.search-form input { border: 2px solid var(--main); border-right: none; border-radius: 4px 0 0 4px; padding: 8px 14px; font-size: 14px; width: 240px; outline: none; }
.search-form button { background: var(--main); color: #fff; border: none; border-radius: 0 4px 4px 0; padding: 0 20px; cursor: pointer; font-size: 14px; }

/* 导航 */
.main-nav { background: var(--main); }
.main-nav .wrap { display: flex; overflow-x: auto; }
.main-nav a { color: #fff; padding: 11px 22px; font-size: 15px; white-space: nowrap; }
.main-nav a:hover, .main-nav a.cur { background: rgba(0,0,0,.18); color: #fff; }

/* 布局 */
.page-body { padding: 18px 0 40px; }
.layout-2col { display: grid; grid-template-columns: 1fr 320px; gap: 18px; align-items: start; }
.panel { background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.panel-head { border-bottom: 2px solid var(--main); padding: 10px 16px; font-size: 16px; font-weight: 700; color: var(--dark); display: flex; justify-content: space-between; align-items: baseline; }
.panel-head a.more { font-size: 12px; color: #9ca3af; font-weight: 400; }
.panel-body { padding: 14px 16px; }

/* 头条区 */
.hero-row { display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; margin-bottom: 18px; }
.hero-main { padding: 26px 28px; }
.hero-main h1 { font-size: 26px; line-height: 1.5; margin-bottom: 10px; }
.hero-main h1 a { color: var(--dark); }
.hero-main h1 a:hover { color: var(--main); }
.hero-main p { color: #6b7280; font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.hero-main .meta { margin-top: 12px; font-size: 12px; color: #9ca3af; }
.hero-side { display: flex; flex-direction: column; gap: 18px; }
.hero-card { padding: 18px 20px; flex: 1; }
.hero-card h3 { font-size: 17px; line-height: 1.6; margin-bottom: 8px; }
.hero-card h3 a { color: var(--dark); }
.hero-card h3 a:hover { color: var(--main); }
.hero-card p { font-size: 13px; color: #6b7280; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 栏目分区 */
.cat-section { margin-bottom: 18px; }
.news-list { list-style: none; }
.news-list li { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed #eee; align-items: center; }
.news-list li:last-child { border-bottom: none; }
.news-list .thumb-link { flex-shrink: 0; }
.news-list img.thumb { width: 130px; height: 88px; object-fit: cover; border-radius: 4px; display: block; }
.news-list .txt { flex: 1; min-width: 0; }
.news-list h3 { font-size: 15px; line-height: 1.6; margin-bottom: 4px; }
.news-list .exc { font-size: 13px; color: #9ca3af; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list .meta { font-size: 12px; color: #b0b7bf; margin-top: 4px; }

/* 侧栏 */
.sidebar .panel { margin-bottom: 18px; }
.hot-list { list-style: none; counter-reset: hot; }
.hot-list li { counter-increment: hot; padding: 8px 0; border-bottom: 1px dashed #f0f0f0; font-size: 14px; display: flex; gap: 10px; }
.hot-list li::before { content: counter(hot); flex-shrink: 0; width: 20px; height: 20px; line-height: 20px; text-align: center; background: #f3f4f6; color: #9ca3af; font-size: 12px; border-radius: 3px; margin-top: 3px; }
.hot-list li:nth-child(-n+3)::before { background: var(--main); color: #fff; }
.hot-list li:last-child { border: none; }
.tag-cloud a { display: inline-block; background: #f3f4f6; border-radius: 3px; padding: 3px 10px; font-size: 12px; color: #6b7280; margin: 0 6px 8px 0; }
.tag-cloud a:hover { background: var(--main); color: #fff; }

/* 文章页 */
.breadcrumb { font-size: 13px; color: #9ca3af; padding: 12px 0; }
.breadcrumb .sep { margin: 0 6px; }
.article-panel { padding: 30px 36px; }
.article-header h1 { font-size: 26px; line-height: 1.5; color: var(--dark); margin-bottom: 12px; }
.article-header .meta { font-size: 13px; color: #9ca3af; border-bottom: 1px solid #f0f0f0; padding-bottom: 14px; margin-bottom: 18px; }
.article-header .meta span { margin-right: 16px; }
.toc { background: #FAFAFA; border: 1px solid #eee; border-radius: 6px; padding: 14px 18px; margin: 18px 0; font-size: 14px; }
.toc-title { font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.toc ul { list-style: none; }
.toc li { padding: 2px 0; }
.toc li.lv3 { padding-left: 16px; font-size: 13px; }
.toc a { color: #555; }
.toc a:hover { color: var(--main); }
.article-content { font-size: 16px; }
.article-content p { margin: 1em 0; }
.article-content h2 { font-size: 20px; color: var(--dark); margin: 1.8em 0 .8em; padding-left: 12px; border-left: 4px solid var(--main); line-height: 1.5; }
.article-content h3 { font-size: 17px; color: var(--dark); margin: 1.4em 0 .6em; }
.article-content ul, .article-content ol { margin: 1em 0 1em 1.6em; }
.article-content li { margin: .3em 0; }
.article-content blockquote { border-left: 3px solid #ddd; padding: 4px 0 4px 16px; color: #6b7280; margin: 1em 0; background: #fafafa; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 14px; display: block; overflow-x: auto; }
.article-content thead, .article-content tbody { display: table; width: 100%; }
.article-content th, .article-content td { border: 1px solid #e5e7eb; padding: 9px 12px; text-align: left; }
.article-content th { background: #F9FAFB; font-weight: 600; }
.article-content tr:nth-child(even) td { background: #FAFBFC; }
.tags-row { padding: 16px 0; border-top: 1px solid #f0f0f0; margin-top: 20px; }
.tags-row a { display: inline-block; background: #f3f4f6; border-radius: 3px; padding: 3px 12px; font-size: 13px; color: #6b7280; margin: 0 6px 6px 0; }
.prev-next { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0 0; font-size: 14px; border-top: 1px solid #f0f0f0; }
.prev-next a { max-width: 48%; }
.related { margin-top: 22px; }
.related h2 { font-size: 16px; color: var(--dark); margin-bottom: 10px; }
.related ul { list-style: none; }
.related li { padding: 7px 0; border-bottom: 1px dashed #f0f0f0; font-size: 14px; }
.related li a::before { content: "·"; color: var(--main); margin-right: 6px; }

/* 列表页 */
.list-head { padding: 20px 24px; margin-bottom: 18px; border-left: 4px solid var(--main); }
.list-head h1 { font-size: 22px; color: var(--dark); }
.list-head p { color: #6b7280; font-size: 14px; margin-top: 6px; }

.pagination { padding: 24px 0; text-align: center; }
.pagination a, .pagination span { display: inline-block; padding: 6px 13px; margin: 0 3px; border-radius: 3px; font-size: 14px; background: #fff; color: #333; border: 1px solid #e5e7eb; }
.pagination a.cur { background: var(--main); color: #fff; border-color: var(--main); }

/* 页脚 */
.site-footer { background: var(--dark); color: #9ca3af; padding: 30px 0; font-size: 13px; text-align: center; }
.site-footer a { color: #9ca3af; margin: 0 8px; }
.site-footer a:hover { color: #fff; }

@media (max-width: 900px) {
  .layout-2col { grid-template-columns: 1fr; }
  .hero-row { grid-template-columns: 1fr; }
  .search-form input { width: 140px; }
  .article-panel { padding: 20px 16px; }
  .news-list img.thumb { width: 100px; height: 68px; }
}

/* 广告位（营销设置）——不影响收录：原生标签输出、延迟加载、明确标注 */
.ad-slot { margin: 14px auto; max-width: 1100px; padding: 0 16px; box-sizing: border-box; }
.ad-item { position: relative; margin: 10px 0; text-align: center; }
.ad-item img { max-width: 100%; height: auto; border-radius: 6px; }
.ad-flag { display: inline-block; font-size: 11px; color: #9ca3af; border: 1px solid #e5e7eb; border-radius: 3px; padding: 0 5px; line-height: 16px; margin-bottom: 4px; letter-spacing: 1px; }
.ad-left, .ad-right { max-width: 300px; }
@media (max-width: 900px) { .ad-left, .ad-right { display: none; } }


/* 左右悬浮广告：宽屏时贴边悬浮，不挤压正文、不影响内容流（收录友好） */
@media (min-width: 1400px) {
  .ad-left  { position: fixed; left: 8px;  top: 180px; width: 160px; z-index: 50; }
  .ad-right { position: fixed; right: 8px; top: 180px; width: 160px; z-index: 50; }
}
@media (max-width: 1399px) { .ad-left, .ad-right { display: none; } }

/* 移动端兜底（v1.3 补齐自适应） */
@media (max-width: 640px) {
  .wrap, .container { padding-left: 14px; padding-right: 14px; }
  article, .article-content { font-size: 15px; }
  h1 { font-size: 24px !important; }
  .article-content img { max-width: 100%; height: auto; } /* v1.5: 原 .thumb 全覆盖会破坏列表卡片固定尺寸，改限正文 */
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .prev-next { flex-direction: column; }
}

/* 顶部公告条（可在模板设置填写） */
.site-notice { background: var(--main, #2B5EA7); color: #fff; text-align: center; padding: 9px 16px; font-size: 14px; letter-spacing: .5px; }
@media (max-width: 640px) { .site-notice { font-size: 12px; padding: 7px 12px; } }

/* ===== v1.5 资讯卡片固定尺寸统一：标题/摘要定高，缩略图定尺寸，卡片视觉一致 ===== */
.news-list h3 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-list .exc { min-height: calc(1.5em * 2); }
.hero-card h3 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }