/* 专栏聚合页：参考财联社专题时间流结构 */

.column-page {
  --column-accent: #c41a1a;
  --column-ink: #1a1a1a;
  --column-muted: #8a8a8a;
  --column-line: #ececec;
  --column-bg: #f5f6f8;
  min-height: 100vh;
  margin: 0;
  background: var(--column-bg);
  color: var(--column-ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

.column-wrap {
  /* 与频道页 .channel-page-wrap 同宽 */
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  text-align: left;
}

.column-page .column-wrap,
.column-page .column-hero,
.column-page .column-main,
.column-page .column-feed,
.column-page .column-feed-body,
.column-page .column-hero-copy {
  text-align: left;
}

.column-topbar {
  background: #fff;
  border-bottom: 1px solid var(--column-line);
}

.column-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.column-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--column-ink);
  text-decoration: none;
  font-weight: 600;
}

.column-crumb a {
  color: var(--column-muted);
  text-decoration: none;
}

.column-crumb a:hover {
  color: var(--column-accent);
}

.column-page--xljj .column-crumb--xljj {
  background: #fff;
  border-bottom: 1px solid var(--column-line);
  padding: 10px 0;
  font-size: 13px;
  color: var(--column-muted);
}

.column-page--xljj .column-crumb--xljj .column-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

/* 专栏页没有详情页的 .root-container(min-width:1200px)，顶栏必须跟内容一样可收缩，否则窄屏被 1200px 撑变形 */
body.column-page--xljj .main-one-menu-nav,
body.column-page--xljj .main-menu-content,
body.column-page--xljj .search-bar-content {
  width: min(1200px, 100%);
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1200px) {
  body.column-page--xljj {
    overflow-x: clip;
    max-width: 100%;
  }

  body.column-page--xljj .header,
  body.column-page--xljj .main-menu {
    max-width: 100%;
  }

  body.column-page--xljj .main-one-menu-nav,
  body.column-page--xljj .main-menu-content,
  body.column-page--xljj .search-bar-content {
    margin-left: 0;
    margin-right: 0;
    padding-left: 12px;
    padding-right: 12px;
  }
}

.column-brand .logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--column-accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.column-brand .logo-img {
  display: block;
  height: 32px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

.column-crumb {
  color: var(--column-muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.column-crumb strong {
  color: var(--column-ink);
  font-weight: 600;
}

.column-hero {
  background: linear-gradient(180deg, #fff 0%, #f7f8fa 100%);
  border-bottom: 1px solid var(--column-line);
  padding: 36px 0 28px;
}

.column-hero-main h1 {
  margin: 0 0 10px;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  font-weight: 700;
}

.column-hero-identity {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.column-hero-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: #fff1f0;
  border: 1px solid #f0f0f0;
}

.column-hero-avatar.is-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #c41a1a;
  font-size: 36px;
  font-weight: 700;
  border-color: #ffa39e;
}

.column-hero-copy {
  min-width: 0;
  flex: 1;
}

.column-hero-desc {
  margin: 0 0 16px;
  max-width: 720px;
  color: #555;
  font-size: 15px;
  line-height: 1.75;
}

.column-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: baseline;
  color: var(--column-muted);
  font-size: 13px;
}

.column-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.column-stat strong {
  color: var(--column-accent);
  font-size: 18px;
  margin-right: 2px;
  line-height: 1;
}

.column-main {
  padding: 24px 0 56px;
}

.column-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.column-layout.has-side {
  /* 与频道页双栏比例一致 */
  grid-template-columns: minmax(0, 1fr) 300px;
}

.column-feed {
  background: #fff;
  border: 1px solid var(--column-line);
  border-radius: 4px;
  min-width: 0;
  overflow: visible;
}

.column-feed-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--column-line);
  padding: 0 20px;
}

.column-feed-tab {
  position: relative;
  height: 46px;
  display: inline-flex;
  align-items: center;
  padding: 0 4px;
  margin-right: 24px;
  color: var(--column-muted);
  font-size: 15px;
  text-decoration: none;
}

a.column-feed-tab:hover {
  color: var(--column-ink);
}

.column-feed-tab.is-active {
  color: var(--column-ink);
  font-weight: 600;
}

.column-feed-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--column-accent);
}

.column-feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.column-feed-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 20px;
  border-bottom: 1px solid #f2f2f2;
}

.column-feed-item:last-child {
  border-bottom: none;
}

.column-feed-time {
  color: var(--column-muted);
  font-size: 13px;
  line-height: 1.4;
  padding-top: 2px;
}

.column-feed-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  min-width: 0;
}

.column-feed-body {
  flex: 1;
  min-width: 0;
}

.column-feed-from {
  margin-bottom: 6px;
  color: var(--column-muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
}

.column-tag-original {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  height: 18px;
  line-height: 1;
  box-sizing: border-box;
  border: 1px solid #e60012;
  color: #e60012;
  border-radius: 2px;
  font-size: 12px;
  font-weight: 500;
  background: transparent;
  flex-shrink: 0;
}

.column-feed-title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 650;
}

.column-feed-title a {
  color: var(--column-ink);
  text-decoration: none;
}

.column-feed-title a:hover {
  color: var(--column-accent);
}

.column-feed-brief {
  margin: 0 0 10px;
  color: #666;
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-line;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.column-feed-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--column-muted);
  font-size: 12px;
}

.column-feed-tags a {
  color: #666;
  text-decoration: none;
}

.column-feed-tags a:hover {
  color: var(--column-accent);
}

.column-feed-cover {
  flex-shrink: 0;
  width: 148px;
  height: 98px;
  border-radius: 4px;
  overflow: hidden;
  background: #f0f0f0;
}

.column-feed-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.column-feed-empty {
  padding: 64px 24px;
  text-align: center;
  color: var(--column-muted);
  font-size: 14px;
}

.column-side-card {
  background: #fff;
  border: 1px solid var(--column-line);
  border-radius: 4px;
  padding: 18px 16px;
}

/* 专栏页侧栏：沿用大首页「专栏推荐」side-bar 版式 */
.column-side-recs.side-bar {
  width: 100%;
  max-width: 100%;
  order: 0;
}

.column-side-recs .side-bar-item {
  margin-bottom: 0;
  border: 1px solid var(--column-line);
  border-radius: 4px;
  box-sizing: border-box;
}

.column-side-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 650;
}

.column-rank-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.column-rank-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.column-rank-index {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 2px;
  background: #f0f0f0;
  color: #8c8c8c;
  font-size: 12px;
  font-weight: 650;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.column-rank-index.is-top {
  background: #fff1f0;
  color: #cf1322;
}

.column-rank-link {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.column-rank-link:hover .column-rank-name {
  color: #c41a1a;
}

.column-rank-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: #fff1f0;
  border: 1px solid #f0f0f0;
}

.column-rank-avatar.is-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #c41a1a;
  font-size: 15px;
  font-weight: 700;
  border-color: #ffa39e;
}

.column-rank-meta {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 2px;
}

.column-rank-name {
  font-size: 14px;
  font-weight: 550;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.column-rank-count {
  color: var(--column-muted);
  font-size: 12px;
}

.column-footer {
  border-top: 1px solid var(--column-line);
  background: #fff;
  padding: 24px 0 36px;
  color: var(--column-muted);
  font-size: 12px;
  text-align: center;
}

.column-footer p {
  margin: 0 0 6px;
}

.column-feed-item.is-infinite-pending {
  display: none !important;
}

.list-infinite-sentinel {
  height: 1px;
  margin: 0;
  padding: 0;
  pointer-events: none;
}

.list-infinite-status {
  margin: 16px 0 8px;
  text-align: center;
  color: var(--column-muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .column-layout,
  .column-layout.has-side {
    grid-template-columns: 1fr;
  }

  .column-hero-main h1 {
    font-size: 28px;
  }

  .column-feed-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .column-feed-cover {
    width: 120px;
    height: 80px;
  }
}

@media (max-width: 768px) {
  .column-wrap {
    width: calc(100% - 24px);
    max-width: 100%;
    box-sizing: border-box;
  }

  .column-hero {
    padding: 20px 0 16px;
  }

  .column-hero-main {
    padding-top: 8px;
  }

  .column-hero-identity {
    gap: 12px;
  }

  .column-hero-avatar {
    width: 56px;
    height: 56px;
  }

  .column-hero-avatar.is-mark {
    font-size: 22px;
  }

  .column-hero-main h1 {
    font-size: 22px;
    line-height: 1.35;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .column-hero-desc {
    font-size: 14px;
    line-height: 1.65;
    margin-bottom: 10px;
  }

  .column-hero-meta {
    gap: 6px 12px;
    align-items: baseline;
  }

  .column-stat,
  .column-site {
    font-size: 13px;
    line-height: 1.4;
  }

  .column-stat strong {
    font-size: 13px;
    font-weight: 700;
    line-height: inherit;
  }

  .column-main {
    padding: 16px 0 36px;
  }

  .column-feed-tabs {
    padding: 0 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    background: #fff;
  }

  .xljj-coltabs-spacer {
    display: none;
    width: 100%;
    height: 0;
    margin: 0;
    padding: 0;
    border: 0;
    pointer-events: none;
  }

  body[data-biz="XLJJ"].column-page--xljj.is-xljj-coltabs-pinned .xljj-coltabs-spacer {
    display: block;
  }

  body[data-biz="XLJJ"].column-page--xljj.is-xljj-coltabs-pinned .column-feed-tabs.has-subs {
    position: fixed;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 190;
    top: calc(env(safe-area-inset-top, 0px) + var(--xljj-channel-h, 44px));
    margin: 0;
    box-sizing: border-box;
    border-bottom: 1px solid var(--column-line);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }

  body[data-biz="XLJJ"].column-page--xljj.is-xljj-channel-pinned.is-xljj-topnav-show.is-xljj-coltabs-pinned .column-feed-tabs.has-subs,
  body[data-biz="XLJJ"].column-page--xljj.is-xljj-topnav-show.is-xljj-coltabs-pinned .column-feed-tabs.has-subs {
    top: calc(
      env(safe-area-inset-top, 0px) + var(--xljj-topnav-h, 52px) + var(--xljj-channel-h, 44px)
    );
  }

  .column-feed-tab {
    flex-shrink: 0;
    margin-right: 16px;
    height: 42px;
    font-size: 14px;
    white-space: nowrap;
  }

  .column-feed-from {
    align-items: center;
    gap: 6px 8px;
  }

  .column-feed-from > * {
    display: inline-flex;
    align-items: center;
    height: 16px;
    line-height: 1;
  }

  .column-tag-original {
    height: 16px;
    padding: 0 5px;
    font-size: 11px;
  }

  .column-feed-item {
    padding: 14px 12px;
  }

  .column-feed-title {
    font-size: 16px;
  }

  .column-feed-brief {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }

  .column-feed-card {
    gap: 12px;
  }

  .column-feed-cover {
    width: 108px;
    height: 72px;
  }
}

@media (max-width: 560px) {
  .column-feed-card {
    flex-direction: column;
  }

  .column-feed-cover {
    width: 100%;
    height: 160px;
  }
}