/* 夜叉 · 主样式
   规则：这里只允许引用 token 变量，不写死颜色/圆角/间距 */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-accent); }
img { display: block; }

.wrap { width: 100%; max-width: var(--content-width); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--color-text-muted); }
.small { font-size: var(--text-sm); }

/* ── 头部 ───────────────────────────────── */
.hdr {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.hdr-in { display: flex; align-items: center; gap: 20px; height: 56px; }

.logo { display: flex; align-items: baseline; gap: 6px; font-weight: 650; }
.logo-cn { font-size: 19px; letter-spacing: .02em; }
.logo-en { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--color-text-muted); }

.nav { display: flex; gap: 18px; font-size: var(--text-sm); overflow: hidden; }
.nav a { color: var(--color-text-secondary); white-space: nowrap; }
.nav a.on, .nav a:hover { color: var(--color-text); }

.hdr-r { margin-left: auto; display: flex; gap: 8px; }

/* ── 按钮 ───────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 7px 14px; border-radius: var(--radius-sm);
  background: var(--color-accent); color: var(--color-accent-contrast);
  font-size: var(--text-sm); font-weight: 550;
  border: 1px solid var(--color-accent);
  transition: opacity var(--dur-fast) var(--ease);
}
.btn:hover { opacity: .88; color: var(--color-accent-contrast); }
.btn.ghost {
  background: transparent; color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn.ghost:hover { background: var(--color-surface-hover); color: var(--color-text); }
.btn.sm { padding: 5px 10px; font-size: var(--text-xs); }

/* ── 首屏 ───────────────────────────────── */
.main { padding: 28px 20px 64px; }

.hero { padding: 8px 0 28px; }
.hero-tag {
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-text-muted); margin-bottom: 12px;
}
.hero h1 {
  margin: 0 0 10px; font-size: var(--text-2xl); line-height: var(--leading-tight);
  letter-spacing: -.01em; font-weight: 650; max-width: 22em;
}
.hero p { margin: 0 0 20px; max-width: 34em; }
.hero-actions { display: flex; gap: 10px; margin-bottom: 18px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 14px; font-size: var(--text-sm); color: var(--color-text-muted); }
.hero-stats b { color: var(--color-text); font-weight: 600; }

/* ── 两栏 ───────────────────────────────── */
.cols { display: grid; grid-template-columns: 1fr var(--sidebar-width); gap: 24px; align-items: start; }
.col-main { min-width: 0; }

/* ── Tab ───────────────────────────────── */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.tab {
  padding: 6px 12px; border-radius: var(--radius-pill);
  font-size: var(--text-sm); color: var(--color-text-secondary);
}
.tab:hover { background: var(--color-surface-hover); color: var(--color-text); }
.tab.on { background: var(--color-accent); color: var(--color-accent-contrast); }

/* ── 主题列表 ───────────────────────────── */
.topic-list { list-style: none; margin: 0; padding: 0; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.topic {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border-bottom: 1px solid var(--color-border);
}
.topic:last-child { border-bottom: 0; }
.topic:hover { background: var(--color-surface-2); }
.topic-body { flex: 1; min-width: 0; }
.topic-title { font-size: var(--text-base); font-weight: 550; line-height: 1.45; }
.topic-title a:hover { text-decoration: underline; text-underline-offset: 3px; }
.topic-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 5px; font-size: var(--text-sm); color: var(--color-text-muted); }
.topic-meta a:hover { color: var(--color-text); }
.dot { opacity: .4; }
.topic-count { text-align: right; min-width: 56px; color: var(--color-text-secondary); }
.topic-count b { display: block; font-weight: 600; }

.badge {
  display: inline-block; padding: 1px 6px; margin-right: 6px;
  border-radius: 4px; font-size: 11px; font-weight: 600;
  background: var(--color-accent); color: var(--color-accent-contrast);
  vertical-align: 2px;
}
.tag {
  display: inline-block; padding: 1px 7px; border-radius: var(--radius-pill);
  background: var(--color-surface-hover); color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.tag:hover { color: var(--color-text); }

.av { border-radius: 50%; flex: none; }
.av-xs { width: 24px; height: 24px; }
.av-sm { width: 28px; height: 28px; }
.av-lg { width: 48px; height: 48px; }
.av-xl { width: 72px; height: 72px; }

.empty {
  list-style: none; padding: 40px 16px; text-align: center;
  display: flex; flex-direction: column; gap: 6px;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
}

/* ── 分页 ───────────────────────────────── */
.pager { display: flex; gap: 6px; justify-content: center; margin-top: 20px; font-size: var(--text-sm); }
.pager a, .pager .cur {
  min-width: 32px; height: 32px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text-secondary);
}
.pager .cur { background: var(--color-accent); color: var(--color-accent-contrast); border-color: var(--color-accent); }
/* 省略号与「第几页/共几页」：页数很多时不铺满一行 */
.pager .gap { min-width: 20px; text-align: center; color: var(--color-text-muted); }
.pager .pg-info { margin-left: 10px; color: var(--color-text-muted); font-size: 12.5px; align-self: center; }
.pager .pg-step { font-weight: 600; }
/* 楼层号与回帖页码（搭楼） */
.floor-no { color: var(--color-text-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.comment-page-info { margin-left: 10px; font-size: 12.5px; font-weight: 400; color: var(--color-text-muted); }
.pager a:hover { background: var(--color-surface-hover); color: var(--color-text); }

/* ── 侧栏 ───────────────────────────────── */
.col-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 76px; }
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 16px;
}
.card-title { margin: 0 0 12px; font-size: var(--text-sm); font-weight: 600; color: var(--color-text-secondary); }
.guest { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; }
.guest-actions { grid-column: 1 / -1; display: flex; gap: 8px; }
.guest-actions .btn { flex: 1; }

.mini-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: var(--text-sm); }
.mini-list li { display: flex; align-items: center; gap: 8px; }
.mini-list .rank { width: 16px; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.mini-list a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.stat-line { display: flex; gap: 14px; flex-wrap: wrap; font-size: var(--text-sm); color: var(--color-text-muted); }
.stat-line b { color: var(--color-text); font-weight: 600; }
.latest { margin-top: 14px; }
.latest-row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }

/* ── 面包屑 / 页头 ──────────────────────── */
.crumbs { display: flex; gap: 8px; align-items: center; font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: 18px; }
.crumbs a:hover { color: var(--color-text); }
.page-head { margin-bottom: 16px; }
.page-head h1 { margin: 0 0 4px; font-size: var(--text-xl); font-weight: 650; letter-spacing: -.01em; }
.page-head p { margin: 0; }

/* ── 帖子 ───────────────────────────────── */
.post {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 22px 24px; margin-bottom: 20px;
}
.post-head { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.post-author { font-weight: 600; font-size: var(--text-sm); }
.post-title { margin: 0 0 12px; font-size: var(--text-xl); line-height: var(--leading-tight); font-weight: 650; letter-spacing: -.01em; }
.post-tags { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.post-body, .reply-text {
  font-size: var(--text-base); line-height: var(--leading-relaxed);
  white-space: pre-wrap; word-break: break-word;
}
.notice { margin: 16px 0 0; padding: 10px 12px; border-radius: var(--radius-sm); background: var(--color-surface-hover); color: var(--color-text-secondary); font-size: var(--text-sm); }

.replies { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 20px 24px; }
.reply-list { list-style: none; margin: 0; padding: 0; }
.reply { display: flex; gap: 12px; padding: 16px 0; border-top: 1px solid var(--color-border); }
.reply-head { display: flex; gap: 10px; align-items: baseline; margin-bottom: 4px; font-size: var(--text-sm); font-weight: 600; }
.reply-body { flex: 1; min-width: 0; }
.reply-box { display: flex; gap: 12px; align-items: center; padding-top: 18px; border-top: 1px solid var(--color-border); }

/* ── 用户页 ─────────────────────────────── */
.profile { display: flex; gap: 20px; align-items: flex-start; padding: 8px 0 28px; }
.profile h1 { margin: 0 0 4px; font-size: var(--text-2xl); font-weight: 650; letter-spacing: -.01em; }
.profile-bio { margin: 10px 0 0; white-space: pre-wrap; }
.profile-stats { display: flex; gap: 16px; margin-top: 12px; font-size: var(--text-sm); color: var(--color-text-muted); }
.profile-stats b { color: var(--color-text); font-weight: 600; }
.section { margin-bottom: 24px; }

/* ── 错误页 ─────────────────────────────── */
.err { text-align: center; padding: 80px 20px; }
.err-code { font-size: 56px; font-weight: 700; letter-spacing: -.04em; color: var(--color-border-strong); }
.err h1 { margin: 8px 0; font-size: var(--text-xl); }
.err p { margin: 0 0 20px; }

/* ── 页脚 ───────────────────────────────── */
.ftr { border-top: 1px solid var(--color-border); padding: 28px 0 40px; font-size: var(--text-sm); color: var(--color-text-muted); }
.ftr-in { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.ftr-in b { color: var(--color-text); display: block; }
.ftr-nav { display: flex; gap: 14px; flex-wrap: wrap; }
.ftr-nav a:hover { color: var(--color-text); }

/* ── 响应式 ─────────────────────────────── */
@media (max-width: 980px) {
  .cols { grid-template-columns: 1fr; }
  .col-side { position: static; }
  .nav { display: none; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: var(--text-xl); }
  .topic-count { display: none; }
  .post, .replies { padding: 16px; }
}

/* ────────────────────────────────────────────────
   三栏布局（参考 jiudeng-community，色系用我们自己的）
   ──────────────────────────────────────────────── */

.hdr-in { max-width: 1440px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; gap: 16px; height: 56px; }

.search { flex: 0 1 320px; }
.search input {
  width: 100%; height: 34px; padding: 0 12px;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text);
  font-size: var(--text-sm); font-family: inherit; outline: none;
}
.search input:focus { border-color: var(--color-border-strong); }
.search input::placeholder { color: var(--color-text-muted); }

.hdr-user { display: flex; align-items: center; gap: 6px; font-size: var(--text-sm); }
.inline { display: inline; margin: 0; }

.layout {
  max-width: 1440px; margin: 0 auto; padding: 20px;
  display: grid; grid-template-columns: 200px minmax(0, 1fr) 320px; gap: 24px;
  align-items: start;
}

/* 左侧导航 */
.side-l { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 2px; font-size: var(--text-sm); }
.side-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border-radius: var(--radius-sm); color: var(--color-text-secondary);
}
.side-item:hover { background: var(--color-surface-hover); color: var(--color-text); }
.side-item.on { background: var(--color-surface); color: var(--color-text); font-weight: 550; box-shadow: var(--shadow-card); }
.side-item .ico { opacity: .45; font-size: 12px; width: 14px; }
.side-group { margin: 16px 0 6px; padding: 0 10px; font-size: 11px; letter-spacing: .1em; color: var(--color-text-muted); text-transform: uppercase; }
.side-tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 10px; }

/* 右栏卡片 */
.side-r { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 14px; }
.welcome { display: flex; align-items: center; gap: 10px; }
.welcome-actions { display: flex; gap: 8px; margin-top: 12px; }
.welcome-actions .btn { flex: 1; }

.rank-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; font-size: var(--text-sm); }
.rank-list li { display: flex; align-items: center; gap: 8px; min-width: 0; }
.rank-list .rank { width: 16px; text-align: center; color: var(--color-text-muted); font-variant-numeric: tabular-nums; font-size: var(--text-xs); }
.rank-list .rank.top { color: var(--color-text); font-weight: 700; }
.rank-list a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.newcomer-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: var(--text-sm); }
.newcomer-list li { display: flex; align-items: center; gap: 8px; }

/* 主区 */
.tagline { margin: 0 0 18px; color: var(--color-text-muted); font-size: var(--text-sm); }
.feed { margin-bottom: 26px; }
.feed-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.feed-head h2 { margin: 0; font-size: var(--text-base); font-weight: 650; display: flex; align-items: center; gap: 6px; }
.feed-head .flame, .feed-head .dot-ico { font-size: 14px; }
.feed-head .more { font-size: var(--text-sm); color: var(--color-text-muted); }
.feed-head .more:hover { color: var(--color-text); }
.topic-list { background: transparent; border: 0; border-radius: 0; overflow: visible; }
.topic {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); margin-bottom: 8px; padding: 12px 14px;
}
.topic:last-child { border-bottom: 1px solid var(--color-border); }

/* ── 关于页 ─────────────────────────────── */
.about { max-width: 860px; margin: 0 auto; padding: 40px 20px 80px; }
.about-hero { padding: 40px 0 48px; }
.about-badge { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 14px; }
.about-hero h1 { margin: 0 0 14px; font-size: 40px; line-height: 1.15; letter-spacing: -.02em; font-weight: 650; }
.about-sub { margin: 0 0 24px; color: var(--color-text-secondary); font-size: var(--text-lg); max-width: 30em; }
.about-cta { display: flex; gap: 10px; }

.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 56px; }
.about-stats > div { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 16px; }
.about-stats b { display: block; font-size: 22px; font-weight: 650; letter-spacing: -.01em; }
.about-stats span { color: var(--color-text-muted); font-size: var(--text-xs); }
.about-stats.live b { font-size: 26px; }

.about-block { margin-bottom: 56px; }
.about-block h2 { margin: 0 0 6px; font-size: var(--text-xl); font-weight: 650; letter-spacing: -.01em; }
.about-block > p { margin: 0 0 20px; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.feature { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 18px; }
.feature h3 { margin: 0 0 6px; font-size: var(--text-base); font-weight: 600; }
.feature p { margin: 0; color: var(--color-text-secondary); font-size: var(--text-sm); line-height: 1.7; }

.stack-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.stack-table th { text-align: left; font-weight: 500; color: var(--color-text-muted); padding: 10px 0; width: 120px; }
.stack-table td { padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.stack-table tr:last-child td { border-bottom: 0; }

.roadmap { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.roadmap li { display: flex; gap: 14px; align-items: baseline; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); font-size: var(--text-sm); }
.roadmap b { font-variant-numeric: tabular-nums; color: var(--color-text-muted); width: 32px; }
.roadmap li.done { border-color: var(--color-text); }
.roadmap li.done b { color: var(--color-text); }
.roadmap li.doing { background: var(--color-surface-hover); }

.about-end { text-align: center; padding: 48px 0 0; border-top: 1px solid var(--color-border); }
.about-end h2 { margin: 0 0 8px; font-size: var(--text-xl); }
.about-end p { margin: 0 0 20px; }

@media (max-width: 1200px) {
  .layout { grid-template-columns: 180px minmax(0, 1fr); }
  .side-r { display: none; }
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; padding: 12px; }
  .side-l { position: static; flex-direction: row; overflow-x: auto; gap: 4px; padding-bottom: 8px; }
  .side-group, .side-tags { display: none; }
  .search { display: none; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .about-hero h1 { font-size: 30px; }
}
/* ── 标签广场 / 榜单 / 搜索 ─────────────── */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag.big {
  padding: 8px 14px; border-radius: var(--radius-pill); font-size: var(--text-sm);
  background: var(--color-surface); border: 1px solid var(--color-border); color: var(--color-text);
}
.tag.big:hover { border-color: var(--color-border-strong); }

.board-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.board-list li {
  display: flex; align-items: center; gap: 12px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 10px 14px; font-size: var(--text-sm);
}
.board-list .rank { width: 20px; text-align: center; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.board-list .rank.top { color: var(--color-text); font-weight: 700; }
.board-name { flex: 1; }
.board-value { color: var(--color-text-secondary); font-variant-numeric: tabular-nums; }

.search-page { display: flex; gap: 10px; margin-bottom: 20px; }
.search-page input {
  flex: 1; height: 40px; padding: 0 14px; font-size: var(--text-base);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-text); font-family: inherit; outline: none;
}
.search-page input:focus { border-color: var(--color-border-strong); }
/* ══════════════════════════════════════════════════════
   对版九登社区（jiudeng-community）：136 / 1fr / 232，gap 28
   以下规则覆盖前面的同名类，数值取自对方真实 CSS
   ══════════════════════════════════════════════════════ */

body { background: var(--color-bg); }

/* ── 顶栏 ── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.topbar-inner { display: flex; align-items: center; gap: 20px; padding: 10px 32px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16.5px; }
.logo-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--color-accent); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; flex-shrink: 0;
}
.logo-text { color: var(--color-accent); letter-spacing: .02em; }
.topbar-search { flex: 1; max-width: 380px; }
.topbar-search input {
  width: 100%; height: 34px; padding: 0 12px; font-size: 14px;
  border: 1px solid transparent; border-radius: 8px;
  background: var(--color-surface-2); color: var(--color-text);
  font-family: inherit; outline: none;
}
.topbar-search input:focus { background: var(--color-surface); border-color: var(--color-accent); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.topbar-user { display: flex; align-items: center; gap: 6px; font-size: 14px; }

.btn-sm { padding: 5px 11px; font-size: 13px; }
.btn-primary {
  background: var(--color-accent); color: var(--color-accent-contrast);
  border: 1px solid var(--color-accent); border-radius: 8px;
}
.btn-ghost {
  background: transparent; color: var(--color-text-secondary);
  border: 1px solid var(--color-border); border-radius: 8px;
}
.btn-ghost:hover { background: var(--color-surface-hover); color: var(--color-text); }

/* ── 三栏 ── */
.layout {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr) 232px;
  gap: 28px;
  padding: 24px 32px 56px;
  align-items: start;
  max-width: none;
  margin: 0;
}
.col-main { min-width: 0; }

/* ── 左栏版块 ── */
.sidebar-left { position: sticky; top: 76px; display: flex; flex-direction: column; gap: 2px; }
.board-item {
  display: flex; flex-direction: row; align-items: center; gap: 8px;
  padding: 7px 10px 7px 0; border-radius: 8px;
  color: var(--color-text-secondary); font-size: 14px;
  white-space: nowrap; overflow: hidden;
}
.board-item:hover { color: var(--color-accent); }
.board-item.active { color: var(--color-accent); font-weight: 600; background: var(--color-surface); }
.board-icon { width: 22px; flex-shrink: 0; text-align: center; font-size: 15px; }
.board-name { overflow: hidden; text-overflow: ellipsis; }
.nav-section-label {
  font-size: 12px; color: var(--color-text-muted);
  padding: 14px 0 6px; letter-spacing: .04em;
}
.tags-cloud { display: flex; flex-wrap: wrap; gap: 6px; }

/* ── 右栏 ── */
.sidebar-right { position: sticky; top: 76px; }
.rail-block + .rail-block { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.rail-block h3 { font-size: 13.5px; font-weight: 600; margin: 0 0 12px; letter-spacing: .02em; }
.rail-user { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.rail-actions { display: flex; gap: 8px; }
.rail-actions .btn { flex: 1; }
.rank-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; font-size: 14px; }
.rank-list li { display: flex; align-items: center; gap: 8px; min-width: 0; }
.rank-list a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-text-secondary); }
.rank-list a:hover { color: var(--color-accent); }
.rank { width: 16px; color: var(--color-text-muted); font-size: 12.5px; text-align: right; flex-shrink: 0; }
.rank.top { color: var(--color-accent); font-weight: 700; }
.newcomers { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.newcomers li { display: flex; align-items: center; gap: 8px; }
.newcomer-main { min-width: 0; }
.newcomer-bio { font-size: 12px; color: var(--color-text-muted); }
.stat-rows { display: flex; flex-direction: column; gap: 9px; font-size: 14px; color: var(--color-text-secondary); }

/* ── 中栏 ── */
.site-tagline { margin: 0 0 18px; color: var(--color-text-muted); font-size: 14px; }
.feed-section + .feed-section { margin-top: 30px; }
.feed-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.feed-section-head h2 { font-size: 16.5px; font-weight: 700; margin: 0; display: flex; align-items: center; gap: 6px; }
.feed-section-head .flame { font-size: 15px; }
.more-link { font-size: 13px; color: var(--color-text-muted); }
.more-link:hover { color: var(--color-accent); }

.post-list {
  list-style: none; margin: 0; padding: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px; overflow: hidden;
}
.post-row { padding: 13px 18px; border-bottom: 1px solid var(--color-border); }
.post-row:last-child { border-bottom: 0; }
.post-row:hover { background: var(--color-surface-2); }
.post-row-title {
  margin: 0; font-size: 15.5px; font-weight: 550;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.post-row-title a { color: var(--color-text); }
.post-row-title a:hover { color: var(--color-accent); }
.post-row-meta {
  margin-top: 4px; display: flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--color-text-muted); flex-wrap: wrap;
}
.post-row-meta a { color: var(--color-text-muted); }
.post-row-meta a:hover { color: var(--color-accent); }
.post-row-meta .author { display: inline-flex; align-items: center; gap: 4px; }
.post-row-meta .avatar { margin: 0; }
.post-row-meta .stat { display: inline-flex; align-items: center; gap: 2px; }
.post-row-meta .stat .ico { font-size: 11px; opacity: .8; }
.meta-gap { flex: 1; }

.board-chip { color: var(--color-text-muted); font-size: 12.5px; }
.tag-chip {
  background: var(--color-surface-hover); color: var(--color-text-muted);
  border: none; border-radius: 5px; padding: 1px 7px; font-size: 12px; font-weight: 400;
}
.tag-chip:hover { color: var(--color-accent); }
.tag-chip.big { font-size: 13.5px; padding: 5px 12px; }
.pin-tag { color: var(--color-accent); font-size: 12px; font-weight: 600; }
.avatar { border-radius: 50%; object-fit: cover; flex-shrink: 0; }

.empty {
  list-style: none; padding: 40px 18px; text-align: center;
  color: var(--color-text-muted); font-size: 14px;
}

/* ── 页脚 ── */
.ftr { border-top: 1px solid var(--color-border); padding: 24px 32px 40px; font-size: 13px; color: var(--color-text-muted); }
.ftr-in { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.ftr-in b { color: var(--color-text); }
.ftr-nav { display: flex; gap: 14px; }
.ftr-nav a:hover { color: var(--color-accent); }

/* ── 响应式（与对方一致）── */
@media (max-width: 1020px) {
  .layout { grid-template-columns: 136px minmax(0, 1fr); gap: 20px; padding: 16px 20px 40px; }
  .sidebar-right { display: none; }
}
@media (max-width: 720px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 16px 16px 40px; }
  .sidebar-left { position: static; flex-direction: row; overflow-x: auto; gap: 4px; padding-bottom: 8px; }
  .nav-section-label, .tags-cloud { display: none; }
  .topbar-inner { padding: 10px 16px; gap: 12px; }
  .topbar-search { display: none; }
  .post-row { padding: 11px 14px; }
}
/* ══ 登录 / 注册卡片（对版九登）══ */
.auth-card {
  max-width: 520px;
  margin: 8px auto 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 28px;
}
.auth-title { margin: 0 0 18px; font-size: 22px; font-weight: 650; letter-spacing: -.01em; }
.auth-tabs { display: flex; gap: 4px; margin-bottom: 18px; }
.auth-tab {
  padding: 5px 12px; border-radius: 7px; border: 0; cursor: pointer;
  background: transparent; color: var(--color-text-muted);
  font-size: 13.5px; font-family: inherit;
}
.auth-tab.active { background: var(--color-surface-2); color: var(--color-accent); font-weight: 600; }
.auth-tab:disabled { opacity: .55; cursor: not-allowed; }
.auth-foot { margin: 14px 0 0; font-size: 13px; color: var(--color-text-muted); }
.auth-foot a { color: var(--color-accent); }

.form.flat { display: flex; flex-direction: column; gap: 14px; }
.field { display: block; }
.field-label { display: block; font-size: 13px; color: var(--color-text-muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; height: 42px; padding: 0 12px;
  border: 1px solid var(--color-border); border-radius: 8px;
  background: var(--color-surface); color: var(--color-text);
  font-size: 14px; font-family: inherit; outline: none;
}
.field textarea { height: auto; padding: 10px 12px; line-height: 1.6; }
.field input:focus, .field textarea:focus { border-color: var(--color-accent); }
.btn-block { width: 100%; padding: 10px; border-radius: 8px; font-size: 14px; }
.form-error {
  margin-bottom: 14px; padding: 9px 12px; border-radius: 8px;
  background: #fdf1ee; color: #a8492b; font-size: 13px;
  border: 1px solid #f3d5cc;
}
.form-ok {
  margin-bottom: 14px; padding: 9px 12px; border-radius: 8px;
  background: #eef5ec; color: #4a7c3f; font-size: 13px; border: 1px solid #d6e5d1;
}
.form-group-title { font-size: 13px; font-weight: 600; color: var(--color-text-secondary); margin: 6px 0 -4px; }

/* ══ 帖子行细节：TL 徽章与分隔点 ══ */
.post-row-meta .sep { color: var(--color-border-strong); }
.post-row-meta .author b { color: var(--color-text); font-weight: 550; }
.tl-badge { color: var(--color-text-muted); font-size: 11px; font-weight: 400; }
.post-row-meta .stat { gap: 3px; }
.post-row-meta .tag-chip { margin-left: 1px; }
/* ══ 单色线稿图标（与文字同色）══ */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.bi { width: 15px; height: 15px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; opacity: .75; }
.si { width: 12px; height: 12px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; opacity: .8; }
.sidebar-left .bi { width: 16px; height: 16px; opacity: .8; }
.board-item.active .bi { opacity: 1; }
.post-row-meta .stat { display: inline-flex; align-items: center; gap: 3px; }
.post-row-meta .eye, .post-row-meta .heart { font-size: 11px; opacity: .7; }

/* 结帖徽章 */
.done-badge {
  display: inline-block; padding: 0 5px; border-radius: 4px;
  background: var(--color-accent); color: var(--color-accent-contrast);
  font-size: 11px; font-weight: 600; line-height: 16px; vertical-align: 2px;
}
.topic-ops { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
/* ══ 右栏：欢迎 / 热榜 / 积分排行（对版九登）══ */
.rail-welcome { margin: 0 0 4px !important; font-size: 15px !important; font-weight: 650 !important; }
.rail-block > p { margin: 0 0 12px; }
.rail-actions { display: flex; gap: 8px; margin-top: 12px; }
.rail-actions .btn { flex: 0 0 auto; }

.chart-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.chart-tab {
  border: 1px solid var(--color-border);
  background: none; color: var(--color-text-muted);
  border-radius: 999px; padding: 2px 10px; font-size: 12.5px;
}
.chart-tab.active { color: var(--color-accent); border-color: var(--color-accent); }
.chart-tab:hover { color: var(--color-accent); }

.chart-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; font-size: 14px; }
.chart-list li { display: flex; align-items: flex-start; gap: 8px; min-width: 0; }
.chart-rank {
  width: 14px; flex-shrink: 0; text-align: right;
  color: var(--color-text-muted); font-size: 12.5px; line-height: 20px;
}
.chart-main { min-width: 0; flex: 1; }
.chart-title {
  display: block; color: var(--color-text); font-size: 13.5px; line-height: 1.45;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chart-title:hover { color: var(--color-accent); }
.chart-meta { color: var(--color-text-muted); font-size: 12px; margin-top: 1px; }
.chart-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-text); font-size: 14px; }
.chart-value { color: var(--color-text-muted); font-size: 12.5px; }

/* ══ 帖子尾部：重叠圆形标签徽章 ══ */
.tag-badges { display: inline-flex; align-items: center; margin-left: 2px; }
.tag-badge {
  width: 19px; height: 19px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 11px; line-height: 1;
  border: 1.5px solid var(--color-surface);
  margin-left: -6px;
}
.tag-badge:first-child { margin-left: 0; }
.tag-badge.c0 { background: #55606b; }
.tag-badge.c1 { background: #6f7d55; }
.tag-badge.c2 { background: #8a6a52; }
.tag-badge.c3 { background: #5d6b7a; }

/* ══ 页面大标题 ══ */
.page-title { margin: 0 0 18px; font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.center-empty { padding: 60px 0; text-align: center; color: var(--color-text-muted); font-size: 14px; }
/* ══ 用户主页（对版九登）══ */
.profile-card {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 24px 26px;
}
.profile-avatar { flex: none; }
.profile-main { min-width: 0; }
.member-head { display: flex; align-items: center; gap: 8px; }
.member-name { font-size: 17px; font-weight: 650; }
.member-meta { margin-top: 2px; font-size: 12.5px; color: var(--color-text-muted); }
.member-bio { margin: 10px 0 0; font-size: 14px; line-height: 1.6; white-space: pre-wrap; }

.trust-card {
  margin-top: 20px; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: 8px; padding: 20px 26px;
}
.trust-card h2 { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.trust-list { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; font-size: 13.5px; }
.trust-list li { display: flex; align-items: center; gap: 8px; }
.trust-dot { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--color-border-strong); flex: none; }
.trust-label { flex: 1; color: var(--color-text-secondary); }
.trust-value { color: var(--color-text-muted); font-size: 12.5px; }
.member-karma { margin: 12px 0 0; font-size: 12.5px; color: var(--color-text-muted); }

.section { margin-top: 28px; }
.section-title { font-size: 16px; font-weight: 600; margin: 0 0 10px; }

.comment-row { padding: 13px 18px; border-bottom: 1px solid var(--color-border); }
.comment-row:last-child { border-bottom: 0; }
.comment-title { display: block; font-size: 15px; font-weight: 550; color: var(--color-text); }
.comment-title:hover { color: var(--color-accent); }
.comment-body { margin-top: 4px; font-size: 13.5px; color: var(--color-text-secondary); line-height: 1.6; }
.comment-time { margin-top: 4px; font-size: 12px; color: var(--color-text-muted); }

/* 统计图标用 emoji（与九登一致）*/
.post-row-meta .emo { font-size: 11px; line-height: 1; opacity: .85; }

/* 标签徽章配色改灰/橄榄 */
.tag-badge.c0 { background: #4f5760; }
.tag-badge.c1 { background: #6b6f5c; }
.tag-badge.c2 { background: #7a7268; }
.tag-badge.c3 { background: #5c6468; }
/* ══ 编辑器（对版九登 .editor-card）══ */
.editor-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 28px; margin: 0 auto;
}
.editor-card h1 { font-size: 20px; font-weight: 600; margin: 0 0 20px; }
.editor-card .form.flat { gap: 16px; }
.md-editor {
  border: 1px solid var(--color-border); border-radius: 8px;
  background: var(--color-surface); margin-top: 6px; overflow: hidden;
}
.md-toolbar {
  display: flex; align-items: center; gap: 2px; padding: 4px 8px;
  border-bottom: 1px solid var(--color-border); flex-wrap: wrap;
}
.md-tool {
  color: var(--color-text-muted); font-size: 12.5px; line-height: 1;
  padding: 5px 7px; border-radius: 5px; cursor: default; user-select: none;
}
.md-tool:hover { background: var(--color-surface-hover); color: var(--color-text); }
.md-editor textarea {
  border: none !important; border-radius: 0; margin: 0; background: transparent;
  min-height: 240px; font-size: 14.5px; line-height: 1.7;
}
.md-editor textarea:focus { outline: none; box-shadow: none; }
.hint { display: block; margin-top: 6px; color: var(--color-text-muted); font-size: 12.5px; }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }
.rules-box {
  margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--color-border);
  font-size: 13px; color: var(--color-text-secondary);
}
.rules-box b { display: block; margin-bottom: 8px; color: var(--color-text); font-size: 13.5px; }
.rules-box ul { margin: 0; padding-left: 18px; line-height: 1.9; }
.link-btn {
  border: 0; background: none; padding: 0; cursor: pointer;
  color: var(--color-text-muted); font-size: 12px; font-family: inherit;
}
.link-btn:hover { color: var(--color-danger); }

/* 标签徽章：小一点，不抢标题 */
.tag-badge { width: 17px; height: 17px; font-size: 10px; margin-left: -5px; border-width: 1.5px; line-height: 1; }
.tag-badges { margin-left: 0; vertical-align: -3px; }
.tag-badge.c0 { background: #5a6570; }
.tag-badge.c1 { background: #6d7355; }
.tag-badge.c2 { background: #6b5f6a; }
.tag-badge.c3 { background: #55606b; }
/* ══ 排序 Tab（对版九登 .sort-tabs）══ */
.sort-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.sort-tab {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 14px; border-radius: 8px;
  color: var(--color-text-muted); font-size: 15px; font-weight: 500;
}
.sort-tab .sti { font-size: 15px; filter: grayscale(1); opacity: .7; }
.sort-tab.active { background: var(--color-surface-2); color: var(--color-accent); font-weight: 650; }
.sort-tab.active .sti { filter: none; opacity: 1; }
.sort-tab:hover { color: var(--color-accent); }

/* 版块图标用 emoji：彩色、大小统一 */
.bi { display: inline-flex; align-items: center; justify-content: center; width: 18px; font-size: 14px; flex-shrink: 0; line-height: 1; }

/* ══ 顶栏登录态 ══ */
.topbar-bell { font-size: 16px; line-height: 1; padding: 0 2px; }
.topbar-avatar { display: inline-flex; }
.topbar-avatar .avatar { border: 1px solid var(--color-border); }

/* ══ 右栏用户卡 ══ */
.rail-user-card { display: flex; align-items: center; gap: 10px; }
.rail-user-main { min-width: 0; }
.rail-karma { margin: 12px 0 10px; font-size: 13px; color: var(--color-text-muted); }
.rail-karma b { color: var(--color-text); font-size: 15px; }
.rail-links { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 14px; }
.rail-links a, .rail-links button { color: var(--color-text); }
.rail-links a:hover, .rail-links button:hover { color: var(--color-accent); }
/* ══ 通知列表 ══ */
.page-head-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.page-head-row .page-title { margin: 0; }
.notif-item {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary); font-size: 14px;
}
.notif-item:last-child { border-bottom: 0; }
.notif-item:hover { background: var(--color-surface-2); }
.notif-dot { width: 6px; height: 6px; border-radius: 50%; background: transparent; flex: none; }
.notif-item.unread .notif-dot { background: var(--color-accent); }
.notif-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notif-item.unread .notif-text { color: var(--color-text); font-weight: 500; }
.notif-time { color: var(--color-text-muted); font-size: 12.5px; flex: none; }
/* ══ 站点统计：两列对齐 + 今日增量 ══ */
.stat-table { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.stat-table li { display: flex; align-items: baseline; }
.stat-table .k { color: var(--color-text-muted); font-size: 14px; }
.stat-table .v {
  margin-left: auto; font-size: 15.5px; font-weight: 500; color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.stat-table .up {
  margin-left: 7px; font-style: normal; font-size: 12.5px;
  color: #1a9e50; font-variant-numeric: tabular-nums;
}
/* ══ 主题详情（对版九登 .post-detail / .comment-*）══ */
.post-detail {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 26px 30px;
}
.detail-meta { margin: 0 0 4px; }
.post-detail-title { font-size: 23px; font-weight: 650; margin: 12px 0 10px; line-height: 1.45; }
.detail-tags { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.post-detail-body { line-height: 1.9; font-size: 15.5px; white-space: pre-wrap; word-break: break-word; }
.post-detail-actions {
  display: flex; align-items: center; gap: 12px;
  margin-top: 22px; border-top: 1px solid var(--color-border); padding-top: 16px;
  font-size: 13px; color: var(--color-text-muted); flex-wrap: wrap;
}
.post-detail-actions .stat { display: inline-flex; align-items: center; gap: 4px; }
.flex-gap { flex: 1; }
.notice {
  margin: 16px 0 0; padding: 10px 12px; border-radius: 8px;
  background: var(--color-surface-hover); color: var(--color-text-secondary); font-size: 13px;
}

.comment-section {
  margin-top: 22px; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: 8px; padding: 22px 30px;
}
.comment-section h2 { font-size: 16px; font-weight: 600; margin: 0 0 16px; }
.comment-tree { display: flex; flex-direction: column; }
.comment-node { padding: 14px 0 10px; border-top: 1px solid var(--color-border); }
.comment-node:first-child { border-top: 0; padding-top: 0; }
.comment-head { display: flex; align-items: center; gap: 7px; font-size: 13.5px; }
.comment-head a { color: var(--color-text); font-weight: 550; }
.comment-body { margin: 6px 0 2px 27px; line-height: 1.75; font-size: 14.5px; white-space: pre-wrap; word-break: break-word; }
.comment-time { color: var(--color-text-muted); font-size: 12.5px; }
.reply-box { margin: 18px 0 4px; border-top: 1px solid var(--color-border); padding-top: 16px; }
.reply-box-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.reply-cta { display: flex; align-items: center; gap: 10px; }
/* ══ 榜单行 ══ */
.lb-row {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-bottom: 1px solid var(--color-border);
  font-size: 14px; list-style: none;
}
.lb-row:last-child { border-bottom: 0; }
.lb-row:hover { background: var(--color-surface-2); }
.lb-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-text); }
.lb-value { color: var(--color-text-muted); font-variant-numeric: tabular-nums; font-size: 13.5px; }
.lb-row .rank { width: 18px; text-align: right; }
/* ══ 后台 ══ */
.admin-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.admin-head .page-title { margin: 0; }
.admin-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin-bottom: 18px; }
.admin-tab {
  padding: 9px 14px; font-size: 14px; color: var(--color-text-secondary);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.admin-tab:hover { color: var(--color-text); }
.admin-tab.active { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: 600; }

.admin-cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 22px; }
.admin-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 16px; text-align: center;
}
.admin-card b { display: block; font-size: 22px; font-weight: 650; line-height: 1.2; }
.admin-card span { color: var(--color-text-muted); font-size: 12.5px; }

.admin-block {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 18px 20px; margin-bottom: 20px; overflow-x: auto;
}
.admin-block h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-table th {
  text-align: left; font-weight: 500; color: var(--color-text-muted);
  padding: 8px 10px; border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
.admin-table td { padding: 10px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table a { color: var(--color-text); }
.admin-table a:hover { color: var(--color-accent); }
.admin-ops { display: flex; gap: 10px; flex-wrap: wrap; }
.link-btn.danger:hover { color: var(--color-danger); }
.badge-mini {
  display: inline-block; margin-left: 6px; padding: 0 5px; border-radius: 4px;
  background: var(--color-surface-hover); color: var(--color-text-muted); font-size: 11px;
}
.tag-danger { color: var(--color-danger); }
.admin-more { display: inline-block; margin: 12px 8px 0 0; font-size: 13px; color: var(--color-text-muted); }
.admin-more:hover { color: var(--color-accent); }

@media (max-width: 900px) {
  .admin-cards { grid-template-columns: repeat(3, 1fr); }
}
/* ══ 精华 ══ */
.feat-badge {
  display: inline-block; padding: 0 5px; border-radius: 4px;
  background: #f0b429; color: #fff; font-size: 11px; font-weight: 600;
  line-height: 16px; vertical-align: 2px; margin-left: 2px;
}
.featured-strip { margin-bottom: 18px; }
.featured-title { font-size: 14px; font-weight: 600; margin: 0 0 8px; color: var(--color-text-secondary); }
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.featured-item {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 12px 14px; display: flex; flex-direction: column; gap: 4px;
}
.featured-item b { font-size: 14px; font-weight: 550; color: var(--color-text); line-height: 1.45; }
.featured-item:hover { border-color: var(--color-accent); }
@media (max-width: 900px) { .featured-grid { grid-template-columns: 1fr; } }
/* ══ Markdown 编辑器 ══ */
.md-tool { border: 0; background: none; font-family: inherit; cursor: pointer; }
.md-tool:active { background: var(--color-surface-hover); }
.md-sep { width: 1px; height: 14px; background: var(--color-border); margin: 0 4px; }
.md-editor.compact textarea { min-height: 120px; }
.md-editor-toolbar { margin-top: 6px; }
.md-editor-toolbar .md-toolbar {
  border: 1px solid var(--color-border);
  border-radius: 8px 8px 0 0;
  background: var(--color-surface-2);
}
.md-editor-toolbar + textarea,
.md-editor-toolbar ~ textarea { border-radius: 0 0 8px 8px; }
.md-upload-tip { display: block; padding: 4px 10px; font-size: 12px; color: var(--color-text-muted); }
/* ══ 举报 ══ */
.report-box { display: inline-block; }
.report-box summary { cursor: pointer; list-style: none; }
.report-box summary::-webkit-details-marker { display: none; }
.report-form { display: flex; gap: 6px; align-items: center; margin-top: 6px; }
.report-form select {
  font-size: 12.5px; padding: 3px 6px; border-radius: 6px;
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text);
}
.tag-ok { color: #1a9e50; }
/* ══ Markdown 正文 ══ */
.post-detail-body p, .comment-body p { margin: 0 0 10px; }
.post-detail-body p:last-child, .comment-body p:last-child { margin-bottom: 0; }
.post-detail-body h1, .post-detail-body h2, .post-detail-body h3,
.post-detail-body h4, .post-detail-body h5, .post-detail-body h6 { margin: 18px 0 8px; line-height: 1.4; }
.post-detail-body h1 { font-size: 20px; }
.post-detail-body h2 { font-size: 18px; }
.post-detail-body h3 { font-size: 16.5px; }
.post-detail-body h4 { font-size: 15.5px; }
.post-detail-body h5 { font-size: 15px; }
.post-detail-body h6 { font-size: 14.5px; color: var(--color-text-secondary); }
.post-detail-body ul, .post-detail-body ol, .comment-body ul, .comment-body ol { margin: 0 0 10px; padding-left: 22px; }
.post-detail-body li, .comment-body li { margin: 3px 0; }
.post-detail-body blockquote {
  margin: 10px 0; padding: 6px 14px; border-left: 3px solid var(--color-border-strong);
  color: var(--color-text-secondary); background: var(--color-surface-2); border-radius: 0 6px 6px 0;
}
.post-detail-body code, .comment-body code {
  background: var(--color-surface-2); padding: 1px 5px; border-radius: 4px;
  font-size: .92em; font-family: ui-monospace, Consolas, monospace;
}
.post-detail-body pre, .comment-body pre {
  background: var(--color-surface-2); padding: 12px 14px; border-radius: 8px;
  overflow-x: auto; margin: 10px 0;
}
.post-detail-body pre code { background: none; padding: 0; }
.post-detail-body hr { border: 0; border-top: 1px solid var(--color-border); margin: 18px 0; }
.md-img, .post-detail-body img, .comment-body img {
  max-width: 100%; height: auto; border-radius: 8px; margin: 8px 0; display: block;
}
.comment-body img { max-height: 320px; }
 /* 帖子配图限高，避免一张竖图占满整屏 */
 .post-detail-body img { max-height: 560px; width: auto; max-width: 100%; }
/* ══ 编辑器：铺满 + 预览 ══ */
.md-editor textarea { width: 100%; box-sizing: border-box; display: block; }
.md-editor.compact textarea { min-height: 140px; }
.md-toolbar-right { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.md-tab {
  border: 0; background: none; font-family: inherit; cursor: pointer;
  font-size: 12.5px; color: var(--color-text-muted); padding: 5px 9px; border-radius: 6px;
}
.md-tab.active { background: var(--color-surface); color: var(--color-text); font-weight: 600; }
.md-preview {
  padding: 12px 14px; min-height: 140px; font-size: 14.5px; line-height: 1.75;
  color: var(--color-text); display: none;
}
.md-preview img { max-width: 100%; border-radius: 8px; display: block; margin: 8px 0; }
.md-preview p { margin: 0 0 10px; }
.md-preview h1, .md-preview h2, .md-preview h3 { margin: 16px 0 8px; }
.md-preview blockquote {
  margin: 10px 0; padding: 6px 14px; border-left: 3px solid var(--color-border-strong);
  background: var(--color-surface-2); color: var(--color-text-secondary); border-radius: 0 6px 6px 0;
}
.md-preview code { background: var(--color-surface-2); padding: 1px 5px; border-radius: 4px; }
.md-preview pre { background: var(--color-surface-2); padding: 12px 14px; border-radius: 8px; overflow-x: auto; }
.md-preview ul, .md-preview ol { padding-left: 22px; margin: 0 0 10px; }
.md-editor.previewing textarea { display: none; }
.md-editor.previewing .md-preview { display: block; }
.reply-box-actions .btn { min-width: 108px; }
/* 回复框铺满整行 */
.reply-box { display: block; }
.reply-box > form { width: 100%; }
.reply-box .md-editor { width: 100%; }
.md-toolbar { flex-wrap: wrap; }
.md-toolbar-right { margin-left: auto; }
/* ══ 个人博客 ══ */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.blog-card {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 10px; padding: 16px 18px;
}
.blog-card:hover { border-color: var(--color-accent); }
.blog-card b { font-size: 15.5px; font-weight: 600; color: var(--color-text); }
.blog-card-bio { margin: 4px 0 0; font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; }
.blog-card-meta { margin-top: auto; padding-top: 8px; font-size: 12px; color: var(--color-text-muted); }
.blog-head { margin-bottom: 20px; }
.blog-title { font-size: 26px; font-weight: 700; margin: 0 0 4px; }
.blog-domains { display: flex; gap: 14px; margin: 6px 0 0; font-size: 12.5px; color: var(--color-text-muted); }
.auth-forgot { margin: 4px 0 0; text-align: right; font-size: 13px; }
/* ══ 批 7：投票 / 模板 / 后台表单 ══ */
.poll-box { margin: 18px 0 0; padding: 16px 18px; background: var(--color-surface-2); border-radius: 10px; }
.poll-q { font-weight: 600; margin-bottom: 10px; }
.poll-row { position: relative; display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 6px; overflow: hidden; margin-bottom: 6px; background: var(--color-surface); }
.poll-bar { position: absolute; left: 0; top: 0; bottom: 0; background: color-mix(in srgb, var(--color-accent) 14%, transparent); }
.poll-text { position: relative; flex: 1; font-size: 14px; }
.poll-pct { position: relative; color: var(--color-text-muted); font-size: 12.5px; }
.poll-form { display: flex; gap: 8px; align-items: center; margin-top: 10px; }

.tpl-bar { display: flex; gap: 6px; align-items: center; margin: 6px 0; flex-wrap: wrap; }
.tpl-btn {
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text-secondary); border-radius: 999px; padding: 3px 10px;
  font-size: 12.5px; font-family: inherit; cursor: pointer;
}
.tpl-btn:hover { color: var(--color-accent); border-color: var(--color-accent); }

.admin-input {
  width: 100%; height: 32px; padding: 0 10px; font-size: 13px; font-family: inherit;
  border: 1px solid var(--color-border); border-radius: 6px;
  background: var(--color-surface); color: var(--color-text);
}
.admin-inline-form { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.admin-inline-form .admin-input { width: auto; min-width: 160px; }
.word-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.word-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px;
  background: var(--color-surface-2); border-radius: 999px; font-size: 13px;
}
.blog-main { min-width: 0; }
.cat-chip { padding: 1px 8px; border-radius: 999px; background: var(--color-surface-2); color: var(--color-text-secondary); font-size: 12px; }
.blog-filter { font-size: 13px; color: var(--color-text-muted); margin: 0 0 12px; }

.side-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.side-tag { padding: 2px 9px; border-radius: 999px; background: var(--color-surface-2); font-size: 12.5px; color: var(--color-text-secondary); }
.side-tag:hover, .side-tag.on { background: var(--color-accent); color: #fff; }

.blog-post-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--color-text-muted); margin-bottom: 10px; flex-wrap: wrap; }
.blog-post-meta a { color: var(--color-text-secondary); }
.blog-post-title { font-size: 28px; font-weight: 700; margin: 0 0 12px; line-height: 1.35; }
.blog-post-tags { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .blog-layout { grid-template-columns: 1fr; }
}
/* ══ 顶栏工具按钮（语言 / 深浅色）══ */
.topbar-util {
  display: inline-flex; align-items: center; justify-content: center;
  height: 28px; min-width: 28px; padding: 0 6px;
  border: 1px solid var(--color-border); border-radius: 6px;
  background: none; color: var(--color-text-secondary);
  font-size: 12.5px; font-family: inherit; cursor: pointer;
}
.topbar-util:hover { color: var(--color-accent); border-color: var(--color-accent); }
/* ═══════════════════════════════════════════════════════════
   样式规范（所有页面共用）
   ───────────────────────────────────────────────────────────
   按钮： .btn + .btn-primary | .btn-ghost   ·  尺寸 .btn-sm
   表单： .field > .field-label + input/textarea/select
   控件： .input / .textarea / .select（独立使用时的通用样式）
   卡片： .editor-card（编辑器/设置）· .post-detail（文章）
         .comment-section（评论）· .admin-block（后台）
   列表： .post-list（帖子行）· .data-table（表格）
   标题： .page-title（页面主标题）· .section-title
   ═══════════════════════════════════════════════════════════ */

/* 通用表单控件（不依赖 .field 包裹） */
.input, .textarea, .select {
  width: 100%; box-sizing: border-box;
  border: 1px solid var(--color-border); border-radius: 8px;
  background: var(--color-surface); color: var(--color-text);
  font-size: 14px; font-family: inherit; outline: none;
}
.input, .select { height: 38px; padding: 0 12px; }
.textarea { padding: 10px 12px; line-height: 1.6; }
.input:focus, .textarea:focus, .select:focus { border-color: var(--color-accent); }
.input::placeholder, .textarea::placeholder { color: var(--color-text-muted); }
.select { cursor: pointer; }

/* 后台控件沿用同一套（历史别名） */
.admin-input { composes: none; }
.admin-input {
  width: 100%; height: 32px; padding: 0 10px; font-size: 13px;
  font-family: inherit; border: 1px solid var(--color-border);
  border-radius: 6px; background: var(--color-surface); color: var(--color-text);
}

/* 通用表格（后台 / 我的博客共用） */
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th {
  text-align: left; font-weight: 500; color: var(--color-text-muted);
  padding: 9px 10px; border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
.data-table td { padding: 11px 10px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table a { color: var(--color-text); }
.data-table a:hover { color: var(--color-accent); }

/* 按钮尺寸基线，避免各页高矮不一 */
.btn { height: 36px; padding: 0 16px; font-size: 14px; }
.btn-sm { height: 30px; padding: 0 12px; font-size: 13px; }
.btn-block { width: 100%; height: 40px; }
/* 表单容器永远纵向拉伸，避免被 .reply-box 的居中规则带偏 */
.form.flat { align-items: stretch; }
.reply-box > .form, .form.reply-box { width: 100%; }
/* ═══════════════ 博客独立站 ═══════════════ */
.blog-body { background: var(--color-bg); }
/* ═══════════════ 博客站（沿用论坛顶栏 / 栅格 / 页脚） ═══════════════ */
.blog-body { background: var(--color-bg); }
/* 内容容器：与论坛 .layout 同一节奏（24 / 32 / 56） */
.blog-main { max-width: none; margin: 0 auto; padding: 24px 32px 56px; }
/* 顶栏里的博客导航（首页 / 标签 / 归档 / 使用说明） */
.topbar-nav { display: flex; gap: 18px; flex: 1; }
.topbar-nav a { font-size: 14px; color: var(--color-text-secondary); padding: 4px 0; border-bottom: 2px solid transparent; }
.topbar-nav a:hover { color: var(--color-text); }
.topbar-nav a.on { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: 600; }
/* 友情链接（平台页/个人站共用） */
.blog-friends { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.blog-friends h3 { font-size: 13px; color: var(--color-text-muted); margin: 0 0 8px; font-weight: 600; }
.blog-friends-list { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; }
.blog-friends-list a { color: var(--color-text-secondary); }
.blog-friends-list a:hover { color: var(--color-accent); }

.blog-h1 { font-size: 26px; font-weight: 700; margin: 0 0 4px; }
.blog-sub { color: var(--color-text-muted); font-size: 13.5px; margin: 0 0 20px; }

.blog-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.bs-item {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 10px; padding: 14px 16px; text-align: center;
}
.bs-item b { display: block; font-size: 22px; font-weight: 650; }
.bs-item span { color: var(--color-text-muted); font-size: 12.5px; }

.blog-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--color-surface); border: 1px dashed var(--color-accent);
  border-radius: 10px; padding: 14px 18px; margin-bottom: 20px;
}
.blog-cta b { font-size: 14.5px; }
.blog-cta p { margin: 2px 0 0; }

.side-tags.big { gap: 10px; }
.side-tags.big .side-tag { padding: 6px 14px; font-size: 13.5px; }
.side-tag .n { color: var(--color-text-muted); font-size: 12px; margin-left: 4px; }

.archive-group { margin-bottom: 26px; }
.archive-month { font-size: 16px; font-weight: 650; margin: 0 0 10px; }
.archive-month .n { color: var(--color-text-muted); font-size: 12.5px; font-weight: 400; margin-left: 6px; }
.archive-list { list-style: none; margin: 0; padding: 0; }
.archive-list li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px solid var(--color-border);
}
.archive-list li a { color: var(--color-text); font-size: 14.5px; }
.archive-list li a:hover { color: var(--color-accent); }

.about-block {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 10px; padding: 18px 22px; margin-bottom: 14px;
}
.about-block h2 { font-size: 15.5px; font-weight: 650; margin: 0 0 8px; }
.about-block p { margin: 6px 0; font-size: 14px; line-height: 1.75; color: var(--color-text-secondary); }
.about-block ul { margin: 8px 0; padding-left: 20px; font-size: 14px; line-height: 1.9; color: var(--color-text-secondary); }
.about-block code { background: var(--color-surface-2); padding: 1px 6px; border-radius: 4px; font-size: 13px; }

@media (max-width: 860px) {
  /* 博客顶栏导航收成下拉（跟论坛的汉堡按钮共用 #mnav-btn） */
  .topbar-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; gap: 0;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 4px 16px 10px; z-index: 40;
  }
  .topbar-nav.open { display: flex; }
  .topbar-nav a { padding: 10px 0; border-bottom: 1px solid var(--color-border); }
  .topbar-nav a:last-child { border-bottom: 0; }
  .blog-main { padding: 18px 16px 44px; }
}
/* ══ 作用域切换（论坛 / 博客）══ */
.scope-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.scope-tab {
  padding: 5px 14px; border-radius: 999px; font-size: 13px;
  border: 1px solid var(--color-border); color: var(--color-text-muted);
}
.scope-tab a { color: inherit; }
.scope-tab.on { border-color: var(--color-accent); color: var(--color-accent); font-weight: 600; }
.scope-tab:hover { border-color: var(--color-accent); }
.tags-cloud.big { gap: 10px; }
.tags-cloud.big .tag-chip { font-size: 13.5px; padding: 5px 12px; }
.tags-cloud .n { color: var(--color-text-muted); font-size: 12px; margin-left: 3px; }
/* ═══════════ 移动端：三横下拉菜单 ═══════════ */
.mnav-btn { display: none; }
.mnav-mask { display: none; }

@media (max-width: 860px) {
  /* 顶栏左侧汉堡 */
  .mnav-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; margin-right: 6px; flex: none;
    border: 1px solid var(--color-border); border-radius: 8px;
    background: none; color: var(--color-text); font-size: 17px; cursor: pointer;
  }
  .mnav-btn:active { background: var(--color-surface-2); }

  /* 左栏变抽屉：竖排、可滚动、默认收起 */
  .sidebar-left {
    position: fixed; left: 0; top: 0; bottom: 0; width: 252px; max-width: 82vw;
    display: flex; flex-direction: column; gap: 2px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 16px 12px 40px; margin: 0;
    overflow-y: auto; overflow-x: hidden;
    transform: translateX(-100%);
    transition: transform .22s ease;
    z-index: 70;
  }
  body.mnav-open .sidebar-left { transform: translateX(0); }

  /* 遮罩 */
  body.mnav-open .mnav-mask {
    display: block; position: fixed; inset: 0;
    background: rgba(0,0,0,.35); z-index: 60;
  }

  /* 抽屉里的项恢复整行显示，不截断 */
  .sidebar-left .board-item { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sidebar-left .nav-section-label { margin-top: 14px; }

  /* 右栏在移动端隐藏 */
  .sidebar-right { display: none; }
}

@media (max-width: 720px) {
  .layout { padding: 12px 14px 36px; }
  .post-row { padding: 12px 14px; }
  .post-row-title { font-size: 15px; }
}
/* ══ 模块切换（论坛 / 博客）══ */
.mod-switch {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 2px; border-radius: 8px; background: var(--color-surface-2);
  margin-right: 10px;
}
.mod-item {
  padding: 4px 12px; border-radius: 6px; font-size: 13px;
  color: var(--color-text-muted);
}
.mod-item.on { background: var(--color-surface); color: var(--color-accent); font-weight: 600; }
.mod-item:hover { color: var(--color-text); }
@media (max-width: 720px) {
  .mod-switch { order: -1; }
  .mod-item { padding: 4px 8px; font-size: 12.5px; }
}
/* ══ 个人博客：两栏 ══ */
.pblog { display: grid; grid-template-columns: minmax(0,1fr) 240px; gap: 32px; }
.pblog-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.pblog-avatar { border-radius: 50%; }
.pblog-title { font-size: 22px; font-weight: 700; margin: 0; }
.pblog-bio { margin: 4px 0 0; color: var(--color-text-muted); font-size: 13.5px; }
.pblog-search { display: flex; gap: 8px; margin-bottom: 20px; }
.pblog-search .input { height: 36px; flex: 1 1 auto; min-width: 0; width: auto; }
.pblog-search .btn { flex: 0 0 auto; white-space: nowrap; }
.pblog-filter { font-size: 13px; color: var(--color-text-muted); margin: 0 0 12px; }
@media (max-width: 760px) { .pblog { grid-template-columns: 1fr; } }
/* ═══════════ 博客皮肤 ═══════════ */
/* ═══════════ 博客皮肤（10 款，参考博客园的经典主题）═══════════ */
/* 1) SimpleMemory —— 博客园最出名的主题：蓝白、卡片、圆角 */
.bt-simple-memory {
  --color-bg: #f5f7fa; --color-surface: #ffffff; --color-surface-2: #f0f4f8;
  --color-border: #e4e8ee; --color-border-strong: #d3dae5;
  --color-text: #212529; --color-text-secondary: #5b6673; --color-text-muted: #8b95a3;
  --color-accent: #1a73e8; --color-accent-hover: #1666ce; --color-accent-contrast: #fff;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px;
}
/* 2) SimpleClear —— 极简白、发丝线、窄栏、衬线标题 */
.bt-simple-clear {
  --color-bg: #ffffff; --color-surface: #ffffff; --color-surface-2: #fafafa;
  --color-border: #ececec; --color-border-strong: #dcdcdc;
  --color-text: #1a1a1a; --color-text-secondary: #555; --color-text-muted: #999;
  --color-accent: #111; --color-accent-hover: #000; --color-accent-contrast: #fff;
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 8px;
  --shadow-card: none; --shadow-pop: 0 8px 24px rgba(0,0,0,.06);
}
.bt-simple-clear .blog-main { max-width: 940px; }
.bt-simple-clear .blog-h1, .bt-simple-clear .blog-post-title, .bt-simple-clear .pb3-m h2 {
  font-family: var(--font-serif); font-weight: 600; letter-spacing: 0;
}
/* 3) coffee —— 暖棕、米色、衬线 */
.bt-coffee {
  --color-bg: #f3ece2; --color-surface: #fffaf3; --color-surface-2: #efe4d5;
  --color-border: #e2d3c0; --color-border-strong: #d2bfa7;
  --color-text: #3b2f26; --color-text-secondary: #6b5847; --color-text-muted: #94826f;
  --color-accent: #6f4e37; --color-accent-hover: #5b3f2c; --color-accent-contrast: #fff;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px;
}
.bt-coffee .blog-h1, .bt-coffee .blog-post-title { font-family: var(--font-serif); }
/* 4) dark —— 深色阅读 */
.bt-dark {
  --color-bg: #12141a; --color-surface: #1a1d24; --color-surface-2: #22262f;
  --color-border: #2b303a; --color-border-strong: #3a4150;
  --color-text: #e6e8ec; --color-text-secondary: #aab2c0; --color-text-muted: #7d8696;
  --color-accent: #7aa2ff; --color-accent-hover: #9ab8ff; --color-accent-contrast: #0b0d12;
  --shadow-card: none; --shadow-pop: 0 10px 30px rgba(0,0,0,.5);
}
.bt-dark .post-detail-body img { opacity: .92; }
/* 5) metro —— 扁平、直角、蓝色 */
.bt-metro {
  --color-bg: #ffffff; --color-surface: #ffffff; --color-surface-2: #f3f3f3;
  --color-border: #dcdcdc; --color-border-strong: #c8c8c8;
  --color-text: #1d1d1d; --color-text-secondary: #5a5a5a; --color-text-muted: #8a8a8a;
  --color-accent: #0078d4; --color-accent-hover: #006cbe; --color-accent-contrast: #fff;
  --radius-sm: 0; --radius-md: 0; --radius-lg: 0; --radius-pill: 0;
  --shadow-card: none;
}
.bt-metro .rail-block { border-width: 2px; }
/* 6) kancloud —— 文档风、绿、浅灰 */
.bt-kancloud {
  --color-bg: #f7f8f9; --color-surface: #ffffff; --color-surface-2: #eef1f3;
  --color-border: #e3e8ec; --color-border-strong: #d0d8e0;
  --color-text: #24292f; --color-text-secondary: #57606a; --color-text-muted: #8c959f;
  --color-accent: #2ba471; --color-accent-hover: #24905f; --color-accent-contrast: #fff;
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 8px;
}
/* 7) sprint —— 紧凑、窄行距、蓝 */
.bt-sprint {
  --color-bg: #f4f6fb; --color-surface: #ffffff; --color-surface-2: #eaeff8;
  --color-border: #dde4f0; --color-border-strong: #c9d3e4;
  --color-text: #16202e; --color-text-secondary: #4a5568; --color-text-muted: #7b8798;
  --color-accent: #2563eb; --color-accent-hover: #1d53c4; --color-accent-contrast: #fff;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 12px;
}
.bt-sprint { font-size: 14.5px; }
.bt-sprint .post-row-title { font-size: 15px; }
.bt-sprint .post-detail-body { font-size: 14.5px; line-height: 1.75; }
/* 8) luna —— 柔和灰蓝、大圆角 */
.bt-luna {
  --color-bg: #eef1f7; --color-surface: #ffffff; --color-surface-2: #e6eaf5;
  --color-border: #dfe4f0; --color-border-strong: #cbd2e3;
  --color-text: #2a2f3d; --color-text-secondary: #5a6273; --color-text-muted: #8b93a5;
  --color-accent: #7c8cf8; --color-accent-hover: #6a7bf0; --color-accent-contrast: #fff;
  --radius-sm: 12px; --radius-md: 18px; --radius-lg: 24px;
}
/* 9) ink —— 宣纸墨色、朱砂、衬线 */
.bt-ink {
  --color-bg: #f5f2ea; --color-surface: #fffdf7; --color-surface-2: #efe9dc;
  --color-border: #e0d8c8; --color-border-strong: #d0c5b0;
  --color-text: #1f1f1f; --color-text-secondary: #4a453c; --color-text-muted: #8a8378;
  --color-accent: #7a1f1f; --color-accent-hover: #651818; --color-accent-contrast: #fff;
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 10px;
  --shadow-card: none;
}
.bt-ink .blog-h1, .bt-ink .blog-post-title { font-family: var(--font-serif); font-weight: 600; }
.bt-ink .logo-mark { background: #7a1f1f; }
/* 10) tea —— 本站默认：暖茶色 */
.bt-tea, .bt-default {
  --color-bg: #f7f5f1; --color-surface: #ffffff; --color-surface-2: #f2efe9;
  --color-border: #e8e2d8; --color-border-strong: #d8d0c2;
  --color-text: #241f1a; --color-text-secondary: #5f574e; --color-text-muted: #8f877c;
  --color-accent: #a8492b; --color-accent-hover: #8f3c22; --color-accent-contrast: #fff;
}
/* 兼容旧值 */
.bt-green { --color-accent: #2f6b4f; --color-surface-2: #eef3ee; }
.bt-indigo { --color-accent: #3a4f8a; --color-surface-2: #eef0f6; }

/* 皮肤选择器：卡片式 */
.skin-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
@media (min-width: 760px) { .skin-picker { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.skin-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 10px; cursor: pointer;
  border: 1px solid var(--color-border); border-radius: 10px;
  background: var(--color-surface);
}
.skin-card input { position: absolute; opacity: 0; pointer-events: none; }
.skin-card b { font-size: 13px; font-weight: 650; }
.skin-card em { font-style: normal; font-size: 11.5px; color: var(--color-text-muted); }
.skin-swatch { display: flex; height: 22px; border-radius: 6px; overflow: hidden; border: 1px solid var(--color-border); }
.skin-swatch i { flex: 1; }
.skin-card:has(input:checked) { border-color: var(--color-accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 18%, transparent); }
.skin-opt { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 8px; cursor: pointer; font-size: 13.5px; }
.skin-dot { width: 14px; height: 14px; border-radius: 50%; flex: none; }
.pb3 {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr) 232px;
  gap: 28px;
  align-items: start;
}
.pb3-l, .pb3-r { position: sticky; top: 76px; }
.pb3-m { min-width: 0; }
/* 左栏条目右侧的篇数（分类 / 归档） */
.board-name .n { color: var(--color-text-muted); font-size: 12px; margin-left: 6px; font-variant-numeric: tabular-nums; }
/* 列表摘要：两行截断，和论坛卡片同一套排版语言 */
.post-row-sum { margin: 6px 0 0; font-size: 13.5px; color: var(--color-text-secondary); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* 当前筛选提示 */
.blog-filter-now { margin: 0 0 12px; font-size: 13px; color: var(--color-text-muted); }
.blog-filter-now a { color: var(--color-accent); }
/* 文章页底部的规范地址 */
.post-canonical { margin: 14px 0 0; font-size: 12.5px; color: var(--color-text-muted); word-break: break-all; }
.tag-chip.on { border-color: var(--color-accent); color: var(--color-accent); }
@media (max-width: 1020px) {
  .pb3 { grid-template-columns: 136px minmax(0, 1fr); }
  .pb3-r { display: none; }
}
@media (max-width: 900px) {
  .pb3 { grid-template-columns: minmax(0, 1fr); }
  .pb3-l { display: none; }
  .pb3-r { display: block; position: static; }
}
/* ══════════ 小屏顶栏：一行放得下，不许折行 ══════════
   论坛和博客共用同一套顶栏，所以一起修：
   390px 下原来是「论坛/博客」胶囊、品牌文字、登录/注册 全被压成竖排。 */
@media (max-width: 560px) {
  .topbar-inner { padding: 8px 12px; gap: 8px; }
  .mnav-btn { margin-right: 0; }
  .logo { gap: 6px; flex: none; }
  .logo-text { font-size: 15px; }
  .logo, .logo-text, .mod-item, .topbar-util, .topbar-actions .btn { white-space: nowrap; }
  .mod-switch { margin-right: 0; flex: none; }
  .mod-item { padding: 4px 6px; }
  .topbar-actions { gap: 6px; flex: none; }
  .topbar-actions .btn { padding: 0 9px; font-size: 12.5px; }
  .topbar-actions .topbar-util { padding: 0 4px; }
}
@media (max-width: 420px) {
  /* 品牌名是四个字时（茶客论坛），390px 会差十几像素，再收一轮 */
  .topbar-inner { padding: 8px 10px; gap: 6px; }
  .mnav-btn { width: 30px; height: 30px; }
  .logo { gap: 4px; }
  .logo-text { font-size: 14.5px; }
  .mod-item { padding: 4px 5px; }
  .topbar-actions { gap: 4px; }
  .topbar-actions .btn { padding: 0 8px; }
}
@media (max-width: 380px) {
  .topbar-inner { padding: 7px 10px; gap: 6px; }
  .logo-text { display: none; }
  .topbar-actions .btn { padding: 0 7px; font-size: 12px; }
  /* 真的挤不下时才让语言切换让位（/en 仍可直接访问） */
  .topbar-actions a.topbar-util { display: none; }
  /* 没有品牌文字时，模块切换不再抢左侧 */
  .mod-switch { order: 0; }
}

/* ══════════════════════════════════════════════════════════════
   WAP（≤720px）：按参考稿一一对应重排移动端
   参考稿结构（从上到下）：
   ① 顶栏：品牌 + 版块横滑导航 + 搜索/登录
   ② 站点介绍块：小标 + 大标题 + 描述 + 两个按钮 + 统计行
   ③ 版块横滑入口
   ④ 胶囊标签（热门/最新/高赞/精选），吸顶
   ⑤ 列表行：左头像 + 标题/元信息 + 右版块
   详情页：面包屑 / 标题 / 作者行（头像+昵称+等级+时间/浏览/回复）/ 正文 / 楼层
   ══════════════════════════════════════════════════════════════ */
.m-only { display: none; }
.m-nav { display: none; }
.m-hero, .m-quick, .m-crumb, .detail-author, .row-avatar, .row-board { display: none; }
.row-body { display: contents; }

@media (max-width: 720px) {
  /* ① 顶栏 */
  .topbar-inner { height: 52px; padding: 0 12px; gap: 8px; }
  .logo { flex: none; gap: 6px; }
  .logo-mark { width: 24px; height: 24px; border-radius: 7px; font-size: 13px; }
  .logo-text { font-size: 15px; }
  .m-nav {
    display: flex; align-items: center; flex: 1; min-width: 0; gap: 2px;
    overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none;
  }
  .m-nav::-webkit-scrollbar { display: none; }
  .m-nav a, .m-nav-more {
    flex: none; padding: 7px 9px; font-size: 14px; font-family: inherit;
    color: var(--color-text-secondary); background: none; border: 0;
    border-radius: 8px; white-space: nowrap; line-height: 1.2;
  }
  .m-nav a.on { color: var(--color-accent); font-weight: 700; }
  .m-nav-more { display: inline-flex; align-items: center; color: var(--color-text-muted); }
  .topbar-search, .mod-switch, .topbar-util { display: none; }
  .topbar-actions { margin-left: 0; gap: 6px; flex: none; }
  .topbar-actions .btn { height: 30px; padding: 0 11px; font-size: 13px; }
  .m-only { display: inline-flex; }
  .d-only { display: none !important; }
  .mnav-btn { display: none; }

  /* 主体：去掉左右栏留白 */
  .layout { padding: 0 0 32px; gap: 0; }
  .col-main { padding: 0; }

  /* ② 介绍块 */
  .m-hero { display: block; padding: 20px 14px 18px; border-bottom: 1px solid var(--color-border); }
  .m-hero-label { font-size: 10.5px; letter-spacing: .14em; color: var(--color-text-muted); text-transform: uppercase; }
  .m-hero-title { margin: 10px 0 8px; font-size: 26px; line-height: 1.22; font-weight: 800; letter-spacing: -.02em; }
  .m-hero-desc { margin: 0 0 16px; font-size: 13.5px; line-height: 1.8; color: var(--color-text-secondary); }
  .m-hero-cta { display: flex; gap: 10px; }
  .m-hero-cta .btn { height: 40px; padding: 0 20px; font-size: 14.5px; border-radius: 8px; }
  .m-hero-stats { margin-top: 16px; font-size: 12px; line-height: 1.7; color: var(--color-text-muted); }

  /* ③ 版块横滑 */
  .m-quick {
    display: flex; gap: 8px; padding: 12px 14px; overflow-x: auto;
    border-bottom: 1px solid var(--color-border); scrollbar-width: none;
  }
  .m-quick::-webkit-scrollbar { display: none; }
  .m-chip {
    flex: none; padding: 7px 13px; border-radius: 999px; font-size: 13px;
    background: var(--color-surface-2); color: var(--color-text-secondary); white-space: nowrap;
  }

  /* ④ 胶囊标签（吸顶在顶栏下面） */
  .sort-tabs {
    position: sticky; top: 52px; z-index: 20;
    margin: 0; padding: 10px 14px; gap: 8px;
    overflow-x: auto; scrollbar-width: none;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
  }
  .sort-tabs::-webkit-scrollbar { display: none; }
  .sort-tab {
    flex: none; padding: 7px 14px; border: 1px solid var(--color-border);
    border-radius: 999px; font-size: 13.5px; background: var(--color-surface);
  }
  .sort-tab.active {
    background: var(--color-accent); border-color: var(--color-accent);
    color: var(--color-accent-contrast); font-weight: 650;
  }
  .sort-tab.active .sti { filter: none; opacity: 1; }

  /* ⑤ 列表行 */
  .post-list { border-top: 0; }
  .post-row {
    display: grid; grid-template-columns: 40px minmax(0, 1fr) auto;
    column-gap: 12px; align-items: start; padding: 14px; position: relative;
  }
  .row-avatar { display: block; grid-column: 1; grid-row: 1 / span 2; width: 40px; height: 40px; border-radius: 10px; }
  .row-body { display: block; grid-column: 2; grid-row: 1 / span 2; min-width: 0; }
  .row-board {
    display: inline-flex; grid-column: 3; grid-row: 1; align-items: center;
    padding: 2px 7px; border-radius: 6px; font-size: 11px; white-space: nowrap;
    background: var(--color-surface-2); color: var(--color-text-muted);
  }
  .post-row-title { font-size: 16px; line-height: 1.5; font-weight: 650; margin: 0 0 0; }
  .post-row-meta { margin-top: 8px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12px; }
  .post-row-meta .bi,
  .post-row-meta > .board-chip,
  .post-row-meta .author .avatar,
  .post-row-meta .tl-badge { display: none; }
  .post-row-meta .sep { display: none; }
  .post-row-title .feat-badge, .post-row-title .pin-tag { margin-left: 4px; }

  /* 详情页 */
  .m-crumb { display: flex; align-items: center; gap: 6px; padding: 12px 14px 0; font-size: 12.5px; color: var(--color-text-muted); }
  .m-crumb a { color: var(--color-text-muted); }
  .m-crumb-sep { color: var(--color-border-strong); }
  .detail-meta { display: none; }
  .post-detail { border: 0; background: none; border-radius: 0; padding: 0; }
  .post-detail-title { padding: 8px 14px 0; font-size: 22px; line-height: 1.45; font-weight: 750; margin: 0; }
  .detail-author { display: flex; align-items: flex-start; gap: 10px; padding: 14px; }
  .detail-author .avatar { width: 34px; height: 34px; border-radius: 10px; flex: none; }
  .detail-author-top { display: flex; align-items: center; gap: 6px; }
  .detail-author-name { font-size: 14.5px; font-weight: 650; color: var(--color-text); }
  .detail-author-meta { display: flex; align-items: center; gap: 6px; margin-top: 3px; font-size: 12px; color: var(--color-text-muted); }
  .detail-tags { padding: 0 14px 4px; }
  .post-detail-body { padding: 0 14px 16px; }
  .post-detail-body img { border-radius: 8px; }

  /* 回帖区 */
  .comment-section { padding: 0 14px 20px; border-top: 1px solid var(--color-border); }
  .comment-section h2 { padding-top: 14px; font-size: 15px; }
  .comment-node { padding: 12px 0; }
  .comment-head { gap: 6px; }
  .comment-body { font-size: 14px; line-height: 1.75; }

  /* 精选条：横滑，不再一张卡占满屏 */
  .featured-strip { padding: 14px; border-bottom: 1px solid var(--color-border); }
  .featured-grid {
    display: flex; gap: 10px; overflow-x: auto; scrollbar-width: none;
    grid-template-columns: none; padding-bottom: 2px;
  }
  .featured-grid::-webkit-scrollbar { display: none; }
  .featured-item { flex: none; width: 240px; }
}
/* 热帖标记（回帖 ≥50），桌面和移动端都用 */
.hot-badge {
  display: inline-flex; align-items: center; height: 17px; padding: 0 5px;
  margin-right: 5px; border-radius: 4px; font-size: 11px; font-weight: 600;
  background: color-mix(in srgb, #e5484d 14%, transparent); color: #c62a2f;
  vertical-align: 1px;
}
[data-theme="dark"] .hot-badge { background: color-mix(in srgb, #ff6369 22%, transparent); color: #ff9ea1; }
@media (max-width: 720px) {
  .post-row-title { display: block; font-size: 16px; line-height: 1.5; }
  .post-row-title a {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .post-row-meta .tag-badges { display: none; }
}
/* WAP 正文与回帖的排版微调（参考稿：15px/1.85，段间 12px） */
@media (max-width: 720px) {
  .post-detail-body { font-size: 15px; line-height: 1.85; color: var(--color-text); }
  .post-detail-body p { margin: 0 0 12px; }
  .post-detail-body h2 { font-size: 18px; margin: 20px 0 10px; }
  .post-detail-body h3 { font-size: 16px; margin: 16px 0 8px; }
  .post-detail-body img { margin: 10px 0; }
  .detail-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 2px 0 10px; }
  .comment-section h2 { margin: 0; }
  .comment-node { border-bottom: 1px solid var(--color-border); }
  .comment-node:last-child { border-bottom: 0; }
  .comment-head { font-size: 13px; }
  .comment-head .floor-no { margin-left: auto; }
  .reply-box { margin: 0 14px 16px; }
}
/* WAP 顶栏收紧：390px 下也要能露出 3~4 个版块 */
@media (max-width: 720px) {
  .topbar-inner { gap: 6px; padding: 0 10px; }
  .logo-text { font-size: 14.5px; }
  .m-nav a, .m-nav-more { padding: 6px 7px; font-size: 13.5px; }
  .topbar-actions .btn { padding: 0 9px; font-size: 12.5px; }
  .post-row-meta .stat-like { display: none; }
}
@media (max-width: 380px) {
  .logo-text { display: none; }
}
/* WAP 发帖入口条 */
.m-compose { display: none; }
@media (max-width: 720px) {
  .m-compose {
    display: flex; align-items: center; gap: 10px;
    margin: 12px 14px; padding: 10px 12px;
    border: 1px solid var(--color-border); border-radius: 10px;
    background: var(--color-surface-2);
  }
  .m-compose-icon { color: var(--color-text-muted); font-size: 15px; }
  .m-compose-text { flex: 1; min-width: 0; font-size: 13.5px; color: var(--color-text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .m-compose-btn {
    flex: none; padding: 5px 12px; border-radius: 7px; font-size: 13px;
    background: var(--color-accent); color: var(--color-accent-contrast);
  }
}
/* 头图域名标签做成小胶囊（参考稿 BBS1.ORG 那种） */
@media (max-width: 720px) {
  .m-hero-label {
    display: inline-block; padding: 3px 8px; border-radius: 6px;
    background: var(--color-surface-2); color: var(--color-accent);
    font-size: 10.5px; letter-spacing: .1em;
  }
  .m-quick { display: none; }
}
/* WAP 版块页头部 */
.m-list-title, .m-list-desc { display: none; }
@media (max-width: 720px) {
  .m-list-title { display: block; margin: 6px 14px 4px; font-size: 22px; font-weight: 750; letter-spacing: -.01em; }
  .m-list-desc { display: block; margin: 0 14px 6px; font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
  .post-list { margin-top: 4px; }
}
/* ══════════ WAP 校正（对齐参考稿：更简洁、字号更小、底部移动端）══════════ */
.m-blocks { display: none; }
.m-ftr { display: none; }
@media (max-width: 720px) {
  /* 顶栏：只留 品牌 + 2 个版块 + 更多 + 搜索/我的 */
  .topbar-inner { height: 48px; padding: 0 10px; gap: 6px; }
  .logo { gap: 5px; }
  .logo-mark { width: 22px; height: 22px; border-radius: 6px; font-size: 12px; }
  .logo-text { font-size: 14px; font-weight: 650; }
  .m-nav { gap: 0; }
  .m-nav a, .m-nav-more { padding: 6px 6px; font-size: 13px; }
  .m-nav a.on { font-weight: 600; }
  .topbar-icon { font-size: 15px; padding: 0 2px; line-height: 1; }
  /* 手机上不再出现登录/注册按钮，统一进 👤 */
  .topbar-actions .btn { display: none; }
  .topbar-bell { display: none; }
  .topbar-avatar { display: none; }

  /* 标题/元信息收小：一屏能多看两行 */
  .post-row { padding: 11px 12px; column-gap: 10px; grid-template-columns: 36px minmax(0, 1fr) auto; }
  .row-avatar { width: 36px; height: 36px; border-radius: 9px; }
  .post-row-title { font-size: 15px; line-height: 1.45; font-weight: 600; }
  .post-row-title a { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .post-row-title .feat-badge, .post-row-title .hot-badge, .post-row-title .pin-tag { margin-right: 4px; }
  .post-row-meta { margin-top: 5px; font-size: 11.5px; gap: 5px; }
  .row-board { font-size: 10.5px; padding: 1px 6px; border-radius: 5px; }

  /* 标签胶囊小一号 */
  .sort-tabs { padding: 8px 12px; gap: 6px; top: 48px; }
  .sort-tab { padding: 5px 11px; font-size: 12.5px; }
  .sort-tab .sti { font-size: 13px; }

  /* 发帖条更薄 */
  .m-compose { margin: 10px 12px; padding: 8px 10px; border-radius: 8px; gap: 8px; }
  .m-compose-text { font-size: 13px; }
  .m-compose-btn { padding: 4px 10px; font-size: 12.5px; }

  /* 精选条：手机上收起（有「精选」标签页） */
  .featured-strip { display: none; }

  /* 分页：1 2 3 … 50 下一页 */
  .pager { gap: 4px; margin: 14px 12px; justify-content: center; font-size: 13px; }
  .pager a, .pager .cur { min-width: 28px; height: 28px; padding: 0 6px; border-radius: 6px; }
  .pager .cur { background: var(--color-text); border-color: var(--color-text); color: var(--color-surface); }
  .pager .gap { min-width: 12px; }
  .pager .pg-info { display: none; }
  .pager .pg-step { display: none; }
  .pager .pg-next, .pager .pg-prev { display: inline-flex; width: auto; padding: 0 8px; }

  /* 底部：登录卡 / 榜单 / 统计 */
  .m-blocks { display: block; padding: 4px 0 8px; border-top: 1px solid var(--color-border); margin-top: 12px; }
  .m-blocks .sidebar-right { display: block; padding: 0 12px; }
  .m-blocks .rail-block { margin: 12px 0; padding: 12px; border: 1px solid var(--color-border); border-radius: 10px; }
  .m-blocks .rail-block h3 { font-size: 13.5px; margin: 0 0 8px; }
  .m-blocks .chart-list li { font-size: 12.5px; }
  .m-blocks .stat-table li { font-size: 12.5px; }

  /* 移动端页脚：居中三行 */
  .m-ftr {
    display: block; padding: 22px 16px 28px; text-align: center;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted); font-size: 12px; line-height: 1.9;
    background: var(--color-surface-2);
  }
  .m-ftr-brand { color: var(--color-text-secondary); margin-bottom: 2px; }
  .m-ftr-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 12px; margin: 6px 0 4px; }
  .m-ftr-nav a { color: var(--color-text-muted); }
  .m-ftr-copy { font-size: 11.5px; }
  .layout { padding-bottom: 0; }
}
/* 正文段落收紧：白名单 pre-wrap 会把段落间的空行也保留，手机上显得很散 */
@media (max-width: 720px) {
  .post-detail-body { white-space: normal; }
  .post-detail-body p { margin: 0 0 10px; }
  .comment-body { white-space: normal; }
  .comment-body p { margin: 0 0 8px; }
}
/* ══════════ 顶栏图标 / 搜索页 / 标签页 / 抽屉入口 ══════════ */
.topbar-icon { display: none; }
.m-drawer-links { display: none; }

/* 标签页标题（桌面 + 移动共用） */
.list-title { margin: 0 0 4px; font-size: 22px; font-weight: 750; letter-spacing: -.01em; }
.list-sub { margin: 0 0 14px; font-size: 13px; color: var(--color-text-muted); }

@media (max-width: 720px) {
  .topbar-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border: 0; border-radius: 8px;
    background: none; color: var(--color-text-secondary);
    font-size: 16px; line-height: 1; padding: 0; font-family: inherit; cursor: pointer;
  }
  .topbar-icon:active { background: var(--color-surface-2); }
  .topbar-actions { gap: 2px; }
  .topbar-actions .topbar-util { display: none; }

  /* 抽屉顶部快捷入口 */
  .m-drawer-links {
    display: flex; flex-wrap: wrap; gap: 8px;
    padding: 4px 0 12px; margin-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
  }
  .m-drawer-links a {
    padding: 6px 13px; border-radius: 999px;
    background: var(--color-surface-2); color: var(--color-text-secondary); font-size: 13px;
  }

  /* 搜索页 */
  .search-form { display: flex; gap: 8px; padding: 12px 12px 6px; }
  .search-form input {
    flex: 1; min-width: 0; height: 40px; padding: 0 12px;
    border: 1px solid var(--color-border); border-radius: 9px;
    background: var(--color-surface); color: var(--color-text);
    font-size: 14px; font-family: inherit; outline: none;
  }
  .search-form input:focus { border-color: var(--color-accent); }
  .search-form .btn { height: 40px; padding: 0 16px; border-radius: 9px; font-size: 14px; }
  .search-hint { padding: 4px 12px 0; }
  .search-hint-label { font-size: 12px; color: var(--color-text-muted); margin: 12px 0 8px; }
  .search-hint .tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
  .page-title { padding: 10px 12px 0; font-size: 16px; }

  /* 标签页 */
  .list-title { margin: 6px 12px 2px; font-size: 20px; }
  .list-sub { margin: 0 12px 10px; }
}
@media (max-width: 720px) {
  /* 顶部图标靠右（参考图：品牌在左，四个图标靠右） */
  .topbar-actions { margin-left: auto; }
  .m-nav { display: none !important; }
}
/* WAP 通用内边距 + 页脚贴底（标签页/排行/关于/搜索等页面原来贴边） */
@media (max-width: 720px) {
  body { display: flex; flex-direction: column; min-height: 100vh; }
  .layout { flex: 1 0 auto; }
  .m-ftr { margin-top: auto; }

  .page-title { margin: 10px 12px 6px; font-size: 19px; font-weight: 700; }
  .scope-tabs { margin: 10px 12px 0; }
  .feed-section { padding: 0 12px; }
  .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; padding: 2px 0 6px; }
  .tag-cloud .tag.big, .tag.big {
    padding: 7px 12px; border-radius: 999px; background: var(--color-surface-2);
    font-size: 13px; color: var(--color-text-secondary);
  }
  .tags-cloud.big { padding: 0 12px; display: flex; flex-wrap: wrap; gap: 8px; }
  .center-empty { padding: 20px 12px; }
  .lb-row { padding: 10px 12px; }
  .lb-row .lb-name { font-size: 14px; }
  .lb-row .lb-value { font-size: 13px; }
  .auth-card { margin: 12px; padding: 20px; }
  .page-narrow, .prose { padding: 0 12px; }
  .prose h1, .prose h2, .prose h3 { margin-top: 20px; }
  .sitemap-block, .rules-block { padding: 0 12px; }
}
/* ── 静态说明页（规则/隐私/条款）── */
.doc-page { max-width: 720px; }
.doc-title { margin: 0 0 6px; font-size: 24px; font-weight: 750; }
.doc-sub { margin: 0 0 18px; font-size: 13.5px; color: var(--color-text-muted); }
.prose { font-size: 14.5px; line-height: 1.85; color: var(--color-text); }
.prose h2 { margin: 22px 0 8px; font-size: 16.5px; font-weight: 700; }
.prose p { margin: 0 0 10px; }
.prose ul { margin: 0 0 12px; padding-left: 20px; }
.prose li { margin: 4px 0; }
.prose a { color: var(--color-accent); }
@media (max-width: 720px) {
  .doc-page { padding: 0 14px; }
  .doc-title { font-size: 21px; padding-top: 2px; }
  .doc-sub { margin-bottom: 12px; }
  .prose { font-size: 14.5px; line-height: 1.85; }
}
/* ══════════ 博客 WAP（与论坛同一套观感）══════════ */
@media (max-width: 720px) {
  /* 顶栏：品牌 + 图标，导航收进抽屉 */
  .blog-body .topbar-inner { height: 48px; padding: 0 10px; gap: 8px; }
  .blog-body .logo-text { font-size: 14px; }
  .blog-body .topbar-nav { display: none; }
  .blog-body .mod-switch { display: none; }
  .blog-body .topbar-util { display: none; }
  .blog-body .topbar-actions .btn { display: none; }
  .blog-body .topbar-avatar { display: none; }

  /* 抽屉：复用 .topbar-nav，展开后变成整块面板 */
  .blog-body .topbar-nav.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: fixed; top: 48px; left: 0; right: 0; z-index: 70;
    gap: 0; padding: 8px 12px 14px;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
    max-height: calc(100vh - 48px); overflow-y: auto;
  }
  .blog-body .topbar-nav.open a {
    padding: 12px 6px; font-size: 15px; border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }
  .blog-body .topbar-nav.open a:last-child { border-bottom: 0; }
  .blog-body .mnav-mask { display: none; }
  .blog-body.mnav-open .mnav-mask {
    display: block; position: fixed; inset: 48px 0 0 0; z-index: 60;
    background: rgba(0,0,0,.3);
  }

  /* 主体 */
  .blog-main { padding: 0 0 8px; }
  .pb3 { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0; }
  .pb3-l { display: none; }
  .pb3-m { padding: 0; }
  .pb3-r { display: block; padding: 0 12px 8px; }
  .site-tagline { padding: 12px 12px 4px; margin: 0; font-size: 12.5px; color: var(--color-text-muted); }

  /* 文章列表：标题 + 摘要两行 + 元信息 */
  .blog-main .post-list { border-top: 1px solid var(--color-border); }
  .blog-main .post-row { display: block; padding: 12px; border-bottom: 1px solid var(--color-border); }
  .blog-main .post-row-title { font-size: 15px; line-height: 1.5; font-weight: 650; margin: 0; }
  .blog-main .post-row-title a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .blog-main .post-row-sum {
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    margin: 6px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--color-text-secondary);
  }
  .blog-main .post-row-meta { margin-top: 7px; font-size: 11.5px; gap: 6px; }
  .blog-main .post-row-meta .sep { display: none; }
  .blog-main .post-row-meta .avatar { display: none; }
  .blog-main .post-row-meta .tag-chip { font-size: 11px; padding: 1px 6px; }

  /* 编辑推荐：横滑卡片 */
  .blog-main .featured-strip { padding: 12px; margin: 10px 0 0; }
  .blog-main .featured-grid { display: flex; gap: 10px; overflow-x: auto; grid-template-columns: none; scrollbar-width: none; }
  .blog-main .featured-grid::-webkit-scrollbar { display: none; }
  .blog-main .featured-item { flex: none; width: 220px; }
  .blog-main .featured-title { font-size: 13px; }

  /* 文章页 */
  .blog-main .article, .blog-main .post-detail { padding: 0; }
  .blog-main .post-detail-title { font-size: 21px; line-height: 1.45; padding: 8px 12px 0; }
  .blog-main .post-detail-body { padding: 0 12px 14px; font-size: 15px; line-height: 1.85; white-space: normal; }
  .blog-main .detail-meta { padding: 10px 12px 0; font-size: 12px; }

  /* 右栏卡片（统计/标签/推荐博客）也带内边距 */
  .blog-main .rail-block { margin: 10px 0; padding: 12px; border: 1px solid var(--color-border); border-radius: 10px; }
  .blog-main .rail-block h3 { font-size: 13.5px; margin: 0 0 8px; }
  .blog-main .chart-list li { font-size: 12.5px; }
  .blog-main .stat-table li { font-size: 12.5px; }
  .blog-main .tags-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
  .blog-main .blog-filter-now { padding: 8px 12px; }
  .blog-main .blog-cta { margin: 10px 12px; }

  /* 页脚贴底 */
  .blog-body { display: flex; flex-direction: column; min-height: 100vh; }
  .blog-main { flex: 1 0 auto; }
  .m-ftr { margin-top: auto; }
}
/* 博客文章页（.blog-post-*）WAP 内边距与字号 */
@media (max-width: 720px) {
  .blog-body .post-detail { padding: 0; margin: 0; }
  .blog-body .blog-post-meta {
    padding: 12px 12px 0; font-size: 12px; gap: 8px;
    display: flex; flex-wrap: wrap; align-items: center; color: var(--color-text-muted);
  }
  .blog-body .blog-post-meta .sep { display: none; }
  .blog-body .blog-post-title {
    padding: 8px 12px 0; margin: 0;
    font-size: 21px; line-height: 1.45; font-weight: 750; letter-spacing: -.01em;
  }
  .blog-body .blog-post-tags { padding: 10px 12px 0; display: flex; flex-wrap: wrap; gap: 6px; }
  .blog-body .blog-post-tags .side-tag { font-size: 11.5px; padding: 2px 8px; border-radius: 999px; background: var(--color-surface-2); }
  .blog-body .post-detail-body { padding: 10px 12px 14px; font-size: 15px; line-height: 1.85; white-space: normal; }
  .blog-body .post-detail-body p { margin: 0 0 12px; }
  .blog-body .post-detail-body img { border-radius: 8px; }
  .blog-body .post-detail-actions { padding: 0 12px 8px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font-size: 12.5px; }
  .blog-body .post-canonical { padding: 0 12px 12px; margin: 0; font-size: 11.5px; color: var(--color-text-muted); word-break: break-all; }
  .blog-body .comment-section { padding: 0 12px 20px; }
  .blog-body .comment-section h2 { font-size: 15px; padding-top: 12px; }
  .blog-body .comment-body { white-space: normal; }
  .blog-body .comment-node { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .blog-body .comment-node:last-child { border-bottom: 0; }
  .blog-body .comment-head { font-size: 12.5px; }
}
/* 说明页表格（教程用） */
.doc-table { width: 100%; border-collapse: collapse; margin: 10px 0 14px; font-size: 13.5px; }
.doc-table th, .doc-table td { border: 1px solid var(--color-border); padding: 8px 10px; text-align: left; vertical-align: top; }
.doc-table th { background: var(--color-surface-2); font-weight: 650; font-size: 12.5px; color: var(--color-text-secondary); }
.doc-table code { font-size: 12.5px; }
.about-block { margin: 0 0 26px; }
.about-block h2 { font-size: 17px; margin: 0 0 8px; }
.about-block p, .about-block li { font-size: 14px; line-height: 1.85; color: var(--color-text); }
.about-block ul, .about-block ol { padding-left: 22px; margin: 6px 0 10px; }
.about-block li { margin: 4px 0; }
.about-block a { color: var(--color-accent); }
.blog-h1 { font-size: 26px; font-weight: 750; margin: 4px 0 10px; letter-spacing: -.01em; }
@media (max-width: 720px) {
  .blog-body .blog-h1 { font-size: 21px; padding: 4px 12px 0; margin: 0 0 8px; }
  .blog-body .about-block { padding: 0 12px; margin-bottom: 22px; }
  .doc-table { font-size: 12.5px; }
  .doc-table th, .doc-table td { padding: 6px 8px; }
}
/* 聚合页开通宣发条 */
.blog-promo {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin: 0 0 14px; padding: 12px 14px;
  border: 1px solid var(--color-border); border-left: 3px solid var(--color-accent);
  border-radius: 8px; background: var(--color-surface-2);
}
.blog-promo-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.blog-promo-text b { font-size: 14px; }
.blog-promo-text span { font-size: 12.5px; color: var(--color-text-muted); line-height: 1.6; }
@media (max-width: 720px) {
  .blog-body .blog-promo { margin: 10px 12px; padding: 10px 12px; }
  .blog-body .blog-promo .btn { width: 100%; text-align: center; }
}

/* ══════════════════════════════════════════════════════════════
   个人博客 = 独立站点（.site-*）
   只有站点自己的顶栏/页脚，不掺聚合页和论坛的导航
   ══════════════════════════════════════════════════════════════ */
.site-body { background: var(--color-bg); }
.site-head { position: sticky; top: 0; z-index: 40; background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.site-head-in {
  max-width: 1080px; margin: 0 auto; padding: 0 20px; height: 56px;
  display: flex; align-items: center; gap: 20px;
}
.site-brand { display: flex; align-items: center; gap: 8px; flex: none; }
.site-logo { border-radius: 50%; }
.site-title { font-size: 16px; font-weight: 700; color: var(--color-text); letter-spacing: -.01em; }
.site-nav { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a { font-size: 14px; color: var(--color-text-secondary); white-space: nowrap; padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a.on { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: 600; }
.site-tools { display: flex; align-items: center; gap: 10px; flex: none; }
.site-search { display: flex; }
.site-search input {
  width: 150px; height: 32px; padding: 0 10px; font-size: 13px;
  border: 1px solid var(--color-border); border-radius: 999px;
  background: var(--color-surface-2); color: var(--color-text); font-family: inherit; outline: none;
}
.site-search input:focus { border-color: var(--color-accent); background: var(--color-surface); }
.site-tool { font-size: 13px; color: var(--color-text-secondary); white-space: nowrap; }
.site-tool-cta { padding: 5px 12px; border-radius: 999px; background: var(--color-accent); color: var(--color-accent-contrast); }
.site-menu-btn { display: none; width: 34px; height: 34px; border: 0; background: none; font-size: 17px; color: var(--color-text-secondary); cursor: pointer; }

.site-main { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }
.site-wrap-narrow { max-width: 760px; }

/* hero */
.site-hero { padding: 12px 0 26px; border-bottom: 1px solid var(--color-border); margin-bottom: 26px; }
.site-hero-title { margin: 0 0 10px; font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
.site-hero-bio { margin: 0 0 12px; font-size: 15px; line-height: 1.8; color: var(--color-text-secondary); }
.site-hero-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12.5px; color: var(--color-text-muted); }
.site-hero-meta a { color: var(--color-accent); }
.site-hero-meta .dot { opacity: .5; }

/* 两栏 */
.site-grid { display: grid; grid-template-columns: minmax(0, 1fr) 268px; gap: 32px; align-items: start; }
.site-side { display: flex; flex-direction: column; gap: 16px; }
.site-card { border: 1px solid var(--color-border); border-radius: 10px; padding: 14px; background: var(--color-surface); }
.site-card h3 { margin: 0 0 10px; font-size: 13px; font-weight: 650; color: var(--color-text-secondary); }
.site-card-author { display: flex; align-items: center; gap: 10px; }
.site-card-author b { font-size: 14px; }
.site-card-bio { margin: 10px 0 8px; font-size: 12.5px; line-height: 1.7; color: var(--color-text-secondary); }
.site-card-link { font-size: 12.5px; color: var(--color-accent); }
.site-cats, .site-archives { list-style: none; margin: 0; padding: 0; }
.site-cats li, .site-archives li { border-bottom: 1px dashed var(--color-border); }
.site-cats li:last-child, .site-archives li:last-child { border-bottom: 0; }
.site-cats a, .site-archives a { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13px; color: var(--color-text-secondary); }
.site-cats a.on, .site-archives a.on { color: var(--color-accent); font-weight: 600; }
.site-cats .n, .site-archives .n { color: var(--color-text-muted); font-size: 12px; }
.site-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.site-tags a { padding: 3px 9px; border-radius: 999px; background: var(--color-surface-2); font-size: 12px; color: var(--color-text-secondary); }
.site-tags a.on { background: var(--color-accent); color: var(--color-accent-contrast); }
.site-tags .n { margin-left: 3px; opacity: .6; }
.site-tags.big a { font-size: 13px; padding: 5px 12px; }

/* 文章卡片列表 */
.site-list { display: flex; flex-direction: column; }
.site-post { padding: 22px 0; border-bottom: 1px solid var(--color-border); }
.site-post:first-child { padding-top: 0; }
.site-post-title { margin: 0 0 8px; font-size: 20px; line-height: 1.45; font-weight: 700; letter-spacing: -.01em; }
.site-post-title a { color: var(--color-text); }
.site-post-title a:hover { color: var(--color-accent); }
.site-post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-text-muted); }
.site-post-meta .dot { opacity: .5; }
.site-post-cat { padding: 1px 8px; border-radius: 999px; background: var(--color-surface-2); color: var(--color-text-secondary); font-size: 11.5px; }
.site-post-sum { margin: 10px 0 0; font-size: 14px; line-height: 1.8; color: var(--color-text-secondary); }
.site-post-more { display: inline-block; margin-top: 10px; font-size: 12.5px; color: var(--color-accent); }
.site-empty { padding: 40px 0; text-align: center; color: var(--color-text-muted); }
.site-filter { margin: 0 0 16px; font-size: 13px; color: var(--color-text-muted); }
.site-filter a { color: var(--color-accent); }

/* 文章页 */
.site-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12.5px; color: var(--color-text-muted); margin-bottom: 14px; }
.site-crumb a { color: var(--color-text-muted); }
.site-crumb .sep { opacity: .5; }
.site-crumb .cur { color: var(--color-text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60%; }
.site-wrap-post { max-width: 820px; }
.site-article-title { margin: 0 0 10px; font-size: 30px; line-height: 1.35; font-weight: 800; letter-spacing: -.02em; }
.site-article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-text-muted); }
.site-article-meta .dot { opacity: .5; }
.site-toc { margin: 22px 0; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface-2); }
.site-toc summary { cursor: pointer; font-size: 13px; font-weight: 650; color: var(--color-text-secondary); }
.site-toc ol { margin: 10px 0 0; padding-left: 20px; }
.site-toc li { margin: 4px 0; font-size: 13px; }
.site-toc li.lv3 { margin-left: 14px; }
.site-toc a { color: var(--color-text-secondary); }
.site-toc a:hover { color: var(--color-accent); }
.site-article-body { font-size: 15.5px; line-height: 1.95; color: var(--color-text); }
.site-article-body p { margin: 0 0 16px; }
.site-article-body h2 { margin: 30px 0 12px; font-size: 21px; font-weight: 700; }
.site-article-body h3 { margin: 24px 0 10px; font-size: 17.5px; font-weight: 650; }
.site-article-body img { max-width: 100%; height: auto; border-radius: 8px; margin: 12px 0; }
.site-article-body blockquote { margin: 16px 0; padding: 8px 16px; border-left: 3px solid var(--color-accent); background: var(--color-surface-2); color: var(--color-text-secondary); }
.site-article-body code { background: var(--color-surface-2); padding: 1px 5px; border-radius: 4px; font-size: 13.5px; }
.site-article-body pre { background: var(--color-surface-2); padding: 14px; border-radius: 8px; overflow-x: auto; }
.site-article-body ul, .site-article-body ol { margin: 0 0 16px; padding-left: 22px; }
.site-article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; }
.site-article-tags a { padding: 3px 10px; border-radius: 999px; background: var(--color-surface-2); font-size: 12px; color: var(--color-text-secondary); }
.site-article-foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--color-text-muted); }
.site-canonical { word-break: break-all; }
.site-adjacent { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0 0; }
.site-adj { display: flex; flex-direction: column; gap: 4px; padding: 14px; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); }
.site-adj span { font-size: 12px; color: var(--color-text-muted); }
.site-adj b { font-size: 14px; font-weight: 600; color: var(--color-text); line-height: 1.5; }
.site-adj-next { text-align: right; }
.site-related { margin-top: 30px; }
.site-related h2 { font-size: 15px; margin: 0 0 10px; }
.site-related ul { list-style: none; margin: 0; padding: 0; }
.site-related li { padding: 10px 0; border-bottom: 1px dashed var(--color-border); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-related a { font-size: 14px; color: var(--color-text); }
.site-comments { margin-top: 34px; }
.site-comments h2 { font-size: 16px; margin: 0 0 12px; }
.site-comment { display: flex; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.site-comment-main { min-width: 0; }
.site-comment-head { display: flex; gap: 10px; align-items: baseline; font-size: 13px; }
.site-comment-head span { color: var(--color-text-muted); font-size: 12px; }
.site-comment-body { margin-top: 4px; font-size: 14px; line-height: 1.75; color: var(--color-text); }
.site-comment-form { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.site-comment-form textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 8px; font-family: inherit; font-size: 14px; background: var(--color-surface); color: var(--color-text); resize: vertical; }
.site-comment-form button { align-self: flex-start; }

/* 归档 / 标签 / 关于 */
.site-page-title { margin: 0 0 6px; font-size: 26px; font-weight: 800; letter-spacing: -.01em; }
.site-page-sub { margin: 0 0 22px; font-size: 13px; color: var(--color-text-muted); }
.site-archive-group { margin-bottom: 22px; }
.site-archive-month { margin: 0 0 8px; font-size: 15px; font-weight: 700; }
.site-archive-month .n { font-size: 12px; font-weight: 400; color: var(--color-text-muted); margin-left: 6px; }
.site-archive-list { list-style: none; margin: 0; padding: 0; }
.site-archive-list li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--color-border); font-size: 14px; }
.site-archive-meta { font-size: 12px; color: var(--color-text-muted); white-space: nowrap; }
.site-about-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.site-about-head h2 { margin: 0; font-size: 20px; }
.site-about-stats { list-style: none; display: flex; gap: 28px; padding: 0; margin: 22px 0; }
.site-about-stats b { display: block; font-size: 22px; font-weight: 750; }
.site-about-stats span { font-size: 12px; color: var(--color-text-muted); }
.site-about-links { display: flex; flex-wrap: wrap; gap: 10px; }
.site-about-note { margin-top: 24px; font-size: 12.5px; color: var(--color-text-muted); line-height: 1.8; }

/* 站点页脚 */
.site-foot { border-top: 1px solid var(--color-border); background: var(--color-surface-2); }
.site-foot-in { max-width: 1080px; margin: 0 auto; padding: 26px 20px 34px; text-align: center; font-size: 12.5px; color: var(--color-text-muted); line-height: 1.9; }
.site-foot-brand { color: var(--color-text-secondary); font-weight: 600; }
.site-foot-nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin: 6px 0; }
.site-foot-nav a { color: var(--color-text-muted); }
.site-foot-note { font-size: 12px; }
.site-foot-driven { margin-top: 8px; font-size: 11.5px; opacity: .8; }

/* 聚合页 hero */
.agg-hero {
  padding: 26px 24px; margin: 0 0 16px; border-radius: 14px;
  background: linear-gradient(135deg, var(--color-surface-2), var(--color-surface));
  border: 1px solid var(--color-border);
}
.agg-hero-label { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent); }
.agg-hero-title { margin: 8px 0 10px; font-size: 30px; font-weight: 800; letter-spacing: -.02em; }
.agg-hero-desc { margin: 0 0 16px; font-size: 14px; line-height: 1.85; color: var(--color-text-secondary); max-width: 640px; }
.agg-hero-cta { display: flex; flex-wrap: wrap; gap: 10px; }
.agg-hero-cta .btn { height: 38px; padding: 0 18px; border-radius: 8px; }
.agg-hero-list { list-style: none; display: flex; flex-wrap: wrap; gap: 26px; padding: 0; margin: 20px 0 0; }
.agg-hero-list b { display: block; font-size: 20px; font-weight: 750; }
.agg-hero-list span { font-size: 12px; color: var(--color-text-muted); }

/* ── 移动端 ── */
@media (max-width: 720px) {
  .site-head-in { height: 50px; padding: 0 12px; gap: 10px; }
  .site-nav { display: none; }
  .site-nav.open {
    display: flex; flex-direction: column; position: absolute; top: 50px; left: 0; right: 0;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 6px 12px 12px; z-index: 50; gap: 0; box-shadow: 0 12px 24px rgba(0,0,0,.08);
  }
  .site-nav.open a { padding: 12px 4px; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .site-search { display: none; }
  .site-menu-btn { display: inline-flex; align-items: center; justify-content: center; }
  .site-main { padding: 18px 12px 40px; }
  .site-hero { padding: 6px 0 18px; margin-bottom: 18px; }
  .site-hero-title { font-size: 23px; }
  .site-hero-bio { font-size: 13.5px; }
  .site-grid { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .site-side { display: none; }
  .site-post { padding: 16px 0; }
  .site-post-title { font-size: 17px; }
  .site-post-sum { font-size: 13px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .site-article-title { font-size: 22px; }
  .site-article-body { font-size: 15px; line-height: 1.9; }
  .site-adjacent { grid-template-columns: 1fr; }
  .site-adj-next { text-align: left; }
  .agg-hero { padding: 18px 14px; margin: 10px 12px 14px; border-radius: 12px; }
  .agg-hero-title { font-size: 22px; }
  .agg-hero-desc { font-size: 13px; }
  .agg-hero-list { gap: 20px; }
  .agg-hero-list b { font-size: 17px; }
}
.site-toc ul { margin: 10px 0 0; padding-left: 18px; list-style: disc; }
.site-toc li { margin: 4px 0; font-size: 13px; }
.site-toc li.lv3 { margin-left: 14px; list-style: circle; }

/* ══════════ 布局型主题（对标几大流行博客引擎）══════════ */
/* ══════════ 四套经典配色（布局统一，只换色）══════════ */
.bt-ghost {
  --color-bg: #ffffff; --color-surface: #ffffff; --color-surface-2: #f7f7f8;
  --color-border: #ececee; --color-border-strong: #dcdcdf;
  --color-text: #15171a; --color-text-secondary: #5b6168; --color-text-muted: #9097a0;
  --color-accent: #15171a; --color-accent-hover: #000; --color-accent-contrast: #fff;
}
.bt-medium {
  --color-bg: #ffffff; --color-surface: #ffffff; --color-surface-2: #fafafa;
  --color-border: #f0f0f0; --color-border-strong: #e0e0e0;
  --color-text: #242424; --color-text-secondary: #6b6b6b; --color-text-muted: #9b9b9b;
  --color-accent: #1a8917; --color-accent-hover: #156d13; --color-accent-contrast: #fff;
  --radius-sm: 0; --radius-md: 0; --radius-lg: 0;
}
.bt-papermod {
  --color-bg: #ffffff; --color-surface: #ffffff; --color-surface-2: #f5f5f5;
  --color-border: #e5e5e5; --color-border-strong: #d0d0d0;
  --color-text: #1d1d1f; --color-text-secondary: #515154; --color-text-muted: #86868b;
  --color-accent: #0a0a0a; --color-accent-hover: #000; --color-accent-contrast: #fff;
}
.bt-next {
  --color-bg: #f5f7fa; --color-surface: #ffffff; --color-surface-2: #eef1f6;
  --color-border: #e3e7ee; --color-border-strong: #d0d6e0;
  --color-text: #222; --color-text-secondary: #555; --color-text-muted: #999;
  --color-accent: #0e7ec4; --color-accent-hover: #0b6aa6; --color-accent-contrast: #fff;
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 8px;
}

.site-search-form { display: flex; gap: 10px; margin: 0 0 18px; }
.site-search-form input {
  flex: 1; min-width: 0; height: 40px; padding: 0 14px; font-size: 14px;
  border: 1px solid var(--color-border); border-radius: 999px;
  background: var(--color-surface); color: var(--color-text); font-family: inherit; outline: none;
}
.site-search-form input:focus { border-color: var(--color-accent); }
.site-search-form .btn { height: 40px; padding: 0 18px; border-radius: 999px; }
@media (max-width: 720px) { .site-search-form { padding: 0; } }
/* 博客设置：分类管理 */
.cat-manage { margin: 0 0 6px; }
.cat-list { list-style: none; margin: 0 0 12px; padding: 0; }
.cat-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--color-border); font-size: 14px; }
.cat-list li b { font-weight: 600; }
.cat-list li form { margin-left: auto; }
.cat-add { display: flex; gap: 8px; }
.cat-add input {
  flex: 1; min-width: 0; height: 34px; padding: 0 12px; font-size: 13.5px;
  border: 1px solid var(--color-border); border-radius: 8px;
  background: var(--color-surface); color: var(--color-text); font-family: inherit; outline: none;
}
.cat-add input:focus { border-color: var(--color-accent); }
.cat-chip { display: inline-block; padding: 1px 8px; margin: 0 4px 4px 0; border-radius: 999px; background: var(--color-surface-2); font-size: 12px; color: var(--color-text-secondary); }
@media (max-width: 720px) { .cat-add { flex-direction: column; } }

/* ══════════ 博客设置 tab / 资料卡 / 友链 / 联系 / 留言 ══════════ */
.settings-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; border-bottom: 1px solid var(--color-border); padding-bottom: 10px; }
.settings-tabs a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px; font-size: 13.5px;
  color: var(--color-text-secondary); background: var(--color-surface-2);
}
.settings-tabs a.on { background: var(--color-accent); color: var(--color-accent-contrast); font-weight: 600; }
.settings-tabs .badge { min-width: 16px; height: 16px; padding: 0 4px; border-radius: 999px; background: #c62a2f; color: #fff; font-size: 10.5px; display: inline-flex; align-items: center; justify-content: center; }
.settings-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 12px; flex-wrap: wrap; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-inline { display: flex; align-items: center; gap: 8px; font-size: 13.5px; margin: 6px 0 12px; }
.form-actions { margin-top: 16px; display: flex; gap: 10px; }
.avatar-row { display: flex; align-items: center; gap: 14px; margin: 0 0 16px; }
.avatar-big { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 1px solid var(--color-border); }
.social-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.apply-list, .page-list, .msg-list, .friend-list, .contact-list { list-style: none; margin: 0 0 14px; padding: 0; }
.apply-list li, .page-list li {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  padding: 10px 0; border-bottom: 1px dashed var(--color-border); flex-wrap: wrap;
}
.apply-actions { display: flex; gap: 8px; align-items: center; }
.link-add { display: grid; grid-template-columns: 1fr 1.4fr 1.4fr auto; gap: 8px; }
.link-add input, .cat-add input {
  height: 34px; padding: 0 10px; font-size: 13.5px; font-family: inherit;
  border: 1px solid var(--color-border); border-radius: 8px;
  background: var(--color-surface); color: var(--color-text); outline: none;
}
.link-add input:focus, .cat-add input:focus { border-color: var(--color-accent); }
.msg-list li { padding: 12px 0; border-bottom: 1px dashed var(--color-border); }
.msg-list li.unread { background: color-mix(in srgb, var(--color-accent) 5%, transparent); }
.msg-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; }
.msg-body { margin: 6px 0 8px; font-size: 14px; line-height: 1.7; white-space: pre-wrap; }

/* 关于页资料卡 */
.about-card { display: flex; gap: 18px; align-items: flex-start; padding: 18px; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-surface); margin: 0 0 18px; }
.about-avatar { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; flex: none; border: 1px solid var(--color-border); }
.about-main h2 { margin: 0 0 4px; font-size: 22px; }
.about-tagline { margin: 0 0 8px; font-size: 13.5px; color: var(--color-text-secondary); }
.about-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--color-text-muted); }
.about-meta a { color: var(--color-accent); }
.about-socials { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.about-socials a { padding: 3px 10px; border-radius: 999px; background: var(--color-surface-2); font-size: 12px; color: var(--color-text-secondary); }
.about-body { margin-top: 6px; }

/* 友链卡片 */
.friend-item { display: flex; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px dashed var(--color-border); }
.friend-item .avatar { width: 40px; height: 40px; border-radius: 10px; }
.friend-avatar { width: 40px; height: 40px; border-radius: 10px; background: var(--color-surface-2); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: var(--color-text-secondary); }
.friend-main a { font-size: 15px; font-weight: 600; color: var(--color-text); }
.friend-desc { font-size: 12.5px; color: var(--color-text-muted); margin-top: 2px; }
.friend-apply { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.friend-apply h2 { font-size: 16px; margin: 0 0 8px; }

/* 联系页 */
.contact-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--color-border); font-size: 14px; }
.contact-list li span { color: var(--color-text-muted); min-width: 84px; font-size: 13px; }

@media (max-width: 720px) {
  .field-row, .social-grid { grid-template-columns: 1fr; }
  .link-add { grid-template-columns: 1fr; }
  .about-card { flex-direction: column; align-items: center; text-align: center; }
  .about-meta, .about-socials { justify-content: center; }
}

/* 公告条 + 热门文章 */
.site-announce { background: var(--color-accent); color: var(--color-accent-contrast); font-size: 13px; }
.site-announce-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; }
.site-announce-close { background: transparent; border: 0; color: inherit; font-size: 18px; line-height: 1; cursor: pointer; opacity: .8; }
.site-announce-close:hover { opacity: 1; }
.hot-list { list-style: none; margin: 0; padding: 0; counter-reset: h; }
.hot-list li { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding: 6px 0; border-bottom: 1px dashed var(--color-border); font-size: 13.5px; }
.hot-list li:last-child { border-bottom: 0; }
.hot-list li a { color: var(--color-text); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hot-list li .n { color: var(--color-text-muted); font-size: 12px; }
.settings-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* 页面区块 */
.block-hint { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: -6px 0 14px; font-size: 13px; color: var(--color-text-muted); }
.block-friends { margin: 18px 0; }
.block-profile { margin: 18px 0; }
.block-hot { margin: 18px 0; padding-left: 20px; }

/* ══════════ 博客后台（WordPress 式）══════════ */
.admin-shell { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; align-items: start; }
.admin-side { position: sticky; top: 16px; }
.admin-brand { display: flex; align-items: center; gap: 10px; padding: 0 0 14px; border-bottom: 1px solid var(--color-border); }
.admin-brand img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.admin-brand b { display: block; font-size: 14px; }
.admin-brand a { font-size: 12px; color: var(--color-text-muted); }
.admin-nav { display: flex; flex-direction: column; margin-top: 10px; }
.admin-nav a { padding: 8px 10px; border-radius: 8px; font-size: 13.5px; color: var(--color-text-secondary); display: flex; align-items: center; gap: 6px; }
.admin-nav a:hover { background: var(--color-surface-2); }
.admin-nav a.on { background: var(--color-accent); color: var(--color-accent-contrast); font-weight: 600; }
.admin-nav .badge { min-width: 16px; height: 16px; padding: 0 4px; border-radius: 999px; background: #c62a2f; color: #fff; font-size: 10.5px; display: inline-flex; align-items: center; justify-content: center; }
.admin-h1 { font-size: 22px; margin: 0 0 16px; }
.admin-h2 { font-size: 15px; margin: 26px 0 10px; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.admin-head .admin-h1 { margin: 0; }
.admin-stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; list-style: none; margin: 0 0 18px; padding: 0; }
.admin-stats li { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px; padding: 12px; text-align: center; }
.admin-stats b { display: block; font-size: 20px; }
.admin-stats span { font-size: 12px; color: var(--color-text-muted); }
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-table th { text-align: left; font-weight: 600; color: var(--color-text-muted); font-size: 12px; padding: 8px 6px; border-bottom: 1px solid var(--color-border); }
.admin-table td { padding: 9px 6px; border-bottom: 1px dashed var(--color-border); vertical-align: middle; }
.admin-table a { color: var(--color-text); }
.admin-table a:hover { color: var(--color-accent); }
.admin-row-actions { display: flex; gap: 10px; align-items: center; justify-content: flex-end; }
.link-btn.danger { color: #c62a2f; }
.admin-toggle { margin: 0 0 16px; font-size: 13.5px; }
.admin-toggle label { display: flex; align-items: center; gap: 8px; }
@media (max-width: 860px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { position: static; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; }
  .admin-stats { grid-template-columns: repeat(3, 1fr); }
  .admin-table { font-size: 12.5px; }
  .admin-table th:nth-child(3), .admin-table td:nth-child(3) { display: none; }
}

/* AI 账号徽章 */
.ai-chip {
  display: inline-block; margin-left: 5px; padding: 0 5px;
  border-radius: 4px; font-size: 10.5px; line-height: 15px; font-weight: 600;
  letter-spacing: .04em; vertical-align: 1px;
  background: #e8f1ff; color: #1a5fd0; border: 1px solid #c9dcff;
}
[data-theme="dark"] .ai-chip { background: #1b2b46; color: #9cc0ff; border-color: #2f4a74; }

/* 论坛后台：AI 设置块 */
.admin-ai-form .field-inline { margin: 6px 0; }
.admin-ai-form .field { margin: 10px 0; }

/* 版块页 AI 提示条 */
.forum-ai-tip {
  margin: 10px 0 4px; padding: 8px 12px; border-radius: 8px;
  background: var(--color-surface-2); color: var(--color-text-muted);
  font-size: 12.5px; line-height: 1.6;
}
.forum-ai-tip a { color: var(--color-accent); }

/* 帖子正文：段落间距收紧（之前空白过大） */
.detail-body p { margin: 0 0 .7em; }
.detail-body p:empty, .detail-body br + br { display: none; }
.detail-body { line-height: 1.85; }
.detail-body ul, .detail-body ol { margin: .3em 0 .8em; padding-left: 1.3em; }
.detail-body li { margin: .15em 0; }
.detail-body blockquote { margin: .6em 0; }

/* 茶小二邀请条（1 楼与 2 楼之间） */
.ai-invite {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin: 4px 0 14px; padding: 10px 14px;
  border: 1px solid var(--color-border); border-radius: 10px;
  background: var(--color-surface-2);
}
.ai-invite-main { font-size: 12.5px; line-height: 1.7; color: var(--color-text-muted); }
.ai-invite-main b { color: var(--color-text); }
.ai-invite .btn { flex: none; }
@media (max-width: 720px) {
  .ai-invite { flex-direction: column; align-items: flex-start; }
}

/* 茶小二广告：独立区块（文章与评论区之间），不贴在评论上 */
.ai-invite {
  margin: 16px 0 20px; padding: 12px 16px;
  border: 1px solid var(--color-border); border-radius: 12px;
  background: var(--color-surface);
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}

/* 宽屏防塌：>=1000px 时保持三栏，不让移动端区块/单列布局接管 */
@media (min-width: 1000px) {
  .m-blocks { display: none !important; }
}
body { overflow-x: hidden; }

/* 茶小二区块：与「评论」同款卡片，背景加深 */
.ai-invite {
  display: block !important;
  margin: 20px 0 !important;
  padding: 20px 24px !important;
  background: var(--color-surface-2) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: 12px !important;
  box-shadow: none !important;
}
.ai-invite .ai-invite-main { display: block; }
.ai-invite .ai-invite-main b:first-child {
  display: block; margin-bottom: 8px; font-size: 17px; font-weight: 700;
  color: var(--color-text);
}
.ai-invite .ai-invite-main span { display: block; font-size: 13.5px; line-height: 1.85; color: var(--color-text-secondary); }
.ai-invite .btn { margin-top: 12px; }


/* 茶小二广告：大字 + 第二行 + 按钮 */
.ai-invite { display: block !important; padding: 20px 24px !important; background: var(--color-surface-2) !important; border: 1px solid var(--color-border) !important; border-radius: 12px !important; margin: 20px 0 !important; }
.ai-invite-title { font-size: 20px; font-weight: 700; color: var(--color-text); margin-bottom: 8px; letter-spacing: .01em; }
.ai-invite-sub { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13.5px; color: var(--color-text-secondary); }
.ai-invite-sub .ai-at { color: #1a6ee0; font-weight: 700; background: rgba(26,110,224,.10); padding: 1px 6px; border-radius: 4px; }
[data-theme="dark"] .ai-invite-sub .ai-at { color: #7fb0ff; background: rgba(127,176,255,.14); }


/* 茶小二广告：PC 一行、垂直居中 */
.ai-invite { display: flex !important; align-items: center; gap: 16px; flex-wrap: wrap; padding: 16px 24px !important; }
.ai-invite-title { font-size: 17px; font-weight: 700; margin: 0 !important; flex: none; }
.ai-invite-sub { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.ai-invite-sub .btn { flex: none; }
@media (max-width: 720px) {
  .ai-invite { display: block !important; }
  .ai-invite-title { margin-bottom: 8px !important; }
  .ai-invite-sub { margin-left: 0; }
}

.ai-at { color: #1a6ee0; font-weight: 600; background: rgba(26,110,224,.10); padding: 0 4px; border-radius: 4px; }
[data-theme="dark"] .ai-at { color: #7fb0ff; background: rgba(127,176,255,.14); }

/* 工具栏里的 @茶小二 按钮 */
.md-tool.ai-insert { color: #1a6ee0; font-weight: 600; letter-spacing: .01em; }
.md-tool.ai-insert:hover { background: rgba(26,110,224,.10); }
[data-theme="dark"] .md-tool.ai-insert { color: #7fb0ff; }

/* 博客站点分页（非平铺） */
.site-pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 26px 0 6px; padding-top: 16px; border-top: 1px solid var(--color-border); font-size: 13px; color: var(--color-text-muted); }
.site-pager-nav { display: flex; align-items: center; gap: 14px; }
.site-pager-nav a { color: var(--color-accent); }
.site-pager-nav b { font-weight: 600; color: var(--color-text); }
.site-pager-nav .off { opacity: .4; }
@media (max-width: 720px) { .site-pager { flex-direction: column; align-items: flex-start; gap: 8px; } }

/* 站点顶栏图标按钮 */
.site-tool-icon { background: none; border: 0; cursor: pointer; font-size: 14px; padding: 0 6px; color: var(--color-text-secondary); }
.site-tool-icon:hover { color: var(--color-text); }

/* ── 个人博客：全主题深色模式（保留各主题强调色，只换底色/文字） ── */
[data-theme="dark"].site-body,
[data-theme="dark"] .site-body {
  --color-bg: #14161a;
  --color-surface: #1b1e24;
  --color-surface-2: #22262d;
  --color-border: #2c313a;
  --color-border-strong: #3a4048;
  --color-text: #e6e8ec;
  --color-text-secondary: #a8aeb8;
  --color-text-muted: #7d8490;
  background: var(--color-bg);
  color: var(--color-text);
}
[data-theme="dark"] .site-post-sum,
[data-theme="dark"] .site-article-body,
[data-theme="dark"] .about-body { color: var(--color-text-secondary); }
[data-theme="dark"] .site-article-body a, [data-theme="dark"] .about-body a { color: #7fb0ff; }
[data-theme="dark"] .site-card,
[data-theme="dark"] .about-card,
[data-theme="dark"] .site-post,
[data-theme="dark"] .site-announce { border-color: var(--color-border); }
[data-theme="dark"] .site-head { background: var(--color-surface); border-bottom-color: var(--color-border); }
[data-theme="dark"] .site-foot { background: var(--color-surface-2); border-top-color: var(--color-border); }
[data-theme="dark"] .site-article-body pre,
[data-theme="dark"] .site-article-body code { background: #0f1115; color: #cfd4dc; }
[data-theme="dark"] .site-article-body blockquote { border-left-color: var(--color-border-strong); color: var(--color-text-secondary); }
[data-theme="dark"] .ai-at { color: #7fb0ff; background: rgba(127,176,255,.14); }

/* 留言墙 */
.gb-form { margin: 0 0 26px; }
.gb-list { list-style: none; margin: 0; padding: 0; }
.gb-item { padding: 14px 0; border-bottom: 1px dashed var(--color-border); }
.gb-head { display: flex; gap: 10px; align-items: baseline; margin-bottom: 6px; font-size: 13px; }
.gb-body { font-size: 14px; line-height: 1.8; color: var(--color-text-secondary); white-space: pre-wrap; }

/* ═══════════════════ 主题演示页（/themes）═══════════════════ */
.th-body { min-height: 100vh; background: var(--color-bg); }
.th-top { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 12px;
  padding: 10px 22px; background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  border-bottom: 1px solid var(--color-border); backdrop-filter: blur(10px); }
.th-brand { display: inline-flex; align-items: center; gap: 8px; color: var(--color-text); font-size: 14px; font-weight: 700; }
.th-brand .logo-mark { width: 26px; height: 26px; border-radius: 8px; background: var(--color-accent);
  color: var(--color-accent-contrast); display: grid; place-items: center; font-size: 13px; }
.th-top-note { font-size: 12px; color: var(--color-text-muted); }
.th-top-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.th-icon-btn { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text-secondary); cursor: pointer; font-size: 13px; }
.th-icon-btn:hover { color: var(--color-accent); border-color: var(--color-accent); }

.th-main { width: 100%; min-width: 0; max-width: 1340px; margin: 0 auto; padding: 22px 22px 56px; }
.th-hero { display: flex; flex-wrap: wrap; gap: 20px 32px; align-items: flex-end; justify-content: space-between;
  padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
.th-eyebrow { font-size: 11px; letter-spacing: .18em; color: var(--color-text-muted); }
.th-hero-title { margin: 6px 0 8px; font-size: 30px; line-height: 1.25; letter-spacing: -.01em; }
.th-hero-desc { margin: 0; max-width: 560px; font-size: 13.5px; line-height: 1.8; color: var(--color-text-secondary); }
.th-hero-side { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; min-width: 240px; }
.th-demo-label { font-size: 11px; letter-spacing: .1em; color: var(--color-text-muted); }
.th-demo-name b { font-size: 14px; }
.th-demo-name .small { display: block; margin-top: 2px; }
.th-demo-pick { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.th-select { height: 32px; max-width: 300px; padding: 0 8px; font-size: 12.5px; font-family: inherit;
  color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; }
.th-demo-link { font-size: 12.5px; color: var(--color-accent); }
.th-ok { margin: 16px 0 0; }

.th-layout { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 22px; align-items: start; margin-top: 22px; }
.th-picker-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.th-count { font-size: 12px; color: var(--color-text-muted); }
.th-group-label { margin: 14px 0 8px; font-size: 11.5px; letter-spacing: .12em; color: var(--color-text-muted); }
.th-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.th-card { display: flex; flex-direction: column; gap: 8px; padding: 8px; border: 1px solid var(--color-border);
  border-radius: 12px; background: var(--color-surface); color: inherit; text-decoration: none;
  transition: transform .15s var(--ease), border-color .15s, box-shadow .15s; }
.th-card:hover { transform: translateY(-1px); border-color: var(--color-border-strong); }
.th-card.on { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }
.th-mock { position: relative; display: block; height: 74px; border-radius: 8px;
  background: var(--m-bg); border: 1px solid rgba(0,0,0,.08); overflow: hidden; }
.th-mock i { position: absolute; display: block; }
.th-mock .m-bar { left: 0; right: 0; top: 0; height: 13px; background: var(--m-surface); border-bottom: 1px solid rgba(0,0,0,.07); }
.th-mock .m-bar::after { content: ""; position: absolute; left: 7px; top: 5px; width: 16px; height: 4px; border-radius: 2px; background: var(--m-accent); }
.th-mock .m-title { left: 9px; top: 25px; width: 54%; height: 7px; border-radius: 2px; background: var(--m-text); opacity: .72; }
.th-mock .m-line { left: 9px; top: 40px; width: 76%; height: 4px; border-radius: 2px; background: var(--m-text); opacity: .2; }
.th-mock .m-line.short { top: 49px; width: 58%; }
.th-mock .m-dot { right: 9px; bottom: 9px; width: 14px; height: 14px; border-radius: 50%; background: var(--m-accent); opacity: .85; }
.th-card-text { display: flex; flex-direction: column; gap: 2px; }
.th-card-text b { font-size: 12.5px; }
.th-card-text em { font-style: normal; font-size: 11px; line-height: 1.4; color: var(--color-text-muted); }

.th-stage { position: sticky; top: 64px; }
.th-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.th-bar-info { display: flex; flex-direction: column; gap: 1px; }
.th-bar-info b { font-size: 14px; }
.th-bar-tools { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.th-devices { display: inline-flex; border: 1px solid var(--color-border); border-radius: 999px; overflow: hidden; }
.th-dev { border: 0; background: var(--color-surface); color: var(--color-text-secondary);
  width: 30px; height: 28px; font-size: 12px; cursor: pointer; }
.th-dev:hover { background: var(--color-surface-hover); }
.th-dev.on { background: var(--color-accent); color: var(--color-accent-contrast); }
.th-devices .th-dev + .th-dev { border-left: 1px solid var(--color-border); }
#th-dark-preview { border: 1px solid var(--color-border); border-radius: 999px; }
#th-dark-preview.on { background: var(--color-accent); color: var(--color-accent-contrast); border-color: var(--color-accent); }
.th-frame-box { position: relative; height: 640px; border: 1px solid var(--color-border); border-radius: 14px;
  background: var(--color-surface-2); overflow: hidden; box-shadow: var(--shadow-card); }
.th-frame { display: block; width: 100%; height: 100%; border: 0; background: #fff; }
.th-frame-box.is-mobile { height: 660px; display: flex; justify-content: center; }
.th-frame-box.is-mobile .th-frame { width: 390px; max-width: 100%; border-left: 1px solid var(--color-border); border-right: 1px solid var(--color-border); }
.th-tip { margin: 10px 0 0; font-size: 12px; line-height: 1.7; color: var(--color-text-muted); }
.th-foot { display: flex; gap: 14px; justify-content: space-between; width: 100%; min-width: 0; max-width: 1340px; margin: 0 auto;
  padding: 18px 22px 40px; font-size: 12px; color: var(--color-text-muted); border-top: 1px solid var(--color-border); }
@media (max-width: 1080px) { .th-layout { grid-template-columns: 300px minmax(0, 1fr); } }
@media (max-width: 900px) {
  .th-main { padding: 16px 14px 40px; }
  .th-hero-title { font-size: 24px; }
  .th-layout { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
  .th-picker, .th-stage { min-width: 0; width: 100%; }
  .th-stage { position: static; order: 0; }
  .th-frame-box { height: 520px; }
  /* 手机上皮肤列表变成一条横向滑动条，挑的时候预览还在眼前 */
  .th-picker { order: -1; }
  .th-picker .th-grid { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
  .th-picker .th-card { flex: 0 0 124px; scroll-snap-align: start; }
  .th-group-label { margin: 10px 0 6px; }
  .th-top-note { display: none; }
  .th-top { padding: 8px 14px; }
  .th-foot { padding: 16px 14px 32px; }
}
@media (max-width: 560px) {
  .th-picker .th-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .th-frame-box { height: 460px; }
}

/* ── 主题预览条（在 iframe 内，/themes 的实时预览）── */
.preview-bar { position: sticky; top: 0; z-index: 80; background: #14161a; color: #f2f4f7; font-size: 12.5px; }
.preview-bar-in { display: flex; align-items: center; gap: 10px; max-width: 1200px; margin: 0 auto; padding: 7px 16px; }
.preview-bar b { color: #fff; font-weight: 600; }
.preview-bar-note { padding: 1px 6px; border-radius: 4px; background: rgba(255,255,255,.12); color: rgba(255,255,255,.82); font-size: 11px; }
.preview-bar-exit { margin-left: auto; color: #8fb4ff; white-space: nowrap; }
.preview-dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; flex: none; animation: pv-pulse 1.8s ease-in-out infinite; }
@keyframes pv-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
/* 预览态只读：访客表单一律不显示 */
.is-preview .site-comment-form,
.is-preview .gb-form,
.is-preview .friend-apply form { display: none !important; }

/* ═══════════ 个人博客 2.0：博主卡片 / 资料开关 / 模块开关 ═══════════ */
.blogger-card { padding: 0; overflow: hidden; }
.blogger-cover { height: 96px; background: var(--color-surface-2) center/cover no-repeat; }
.blogger-cover.no-cover { background: linear-gradient(135deg, color-mix(in srgb, var(--color-accent) 20%, var(--color-surface-2)), var(--color-surface-2)); }
.blogger-body { padding: 0 14px 14px; margin-top: -22px; }
.blogger-avatar { border-radius: 50%; border: 3px solid var(--color-surface); background: var(--color-surface); display: block; }
.blogger-id { margin-top: 6px; }
.blogger-id b { display: block; font-size: 15px; }
.blogger-id span { font-size: 12px; color: var(--color-text-muted); }
.blogger-tagline { margin: 6px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--color-text-secondary); }
.blogger-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; font-size: 12px; color: var(--color-text-muted); }
.blogger-socials { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.blogger-socials a { font-size: 11.5px; padding: 1px 8px; border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-text-secondary); }
.blogger-socials a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.blogger-stats { display: flex; align-items: center; gap: 10px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--color-border); font-size: 12px; color: var(--color-text-muted); }
.blogger-stats b { color: var(--color-text); font-size: 13px; }
.blogger-stats .site-card-link { margin-left: auto; }
.site-links { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.site-links li { display: flex; justify-content: space-between; gap: 8px; padding: 5px 0; }
.site-links .n { color: var(--color-text-muted); font-size: 11.5px; }

.cover-row { display: flex; gap: 14px; align-items: flex-start; margin: 0 0 18px; }
.cover-preview { width: 220px; height: 64px; flex: none; border-radius: 10px; border: 1px dashed var(--color-border-strong);
  background: var(--color-surface-2) center/cover no-repeat; display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted); font-size: 12px; }
.vis-toggle { float: right; font-weight: 400; font-size: 12px; color: var(--color-text-muted); display: inline-flex; align-items: center; gap: 4px; }
.vis-toggle input { width: 14px; height: 14px; accent-color: var(--color-accent); }
.mod-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 18px; }
.mod-cell { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--color-border);
  border-radius: 10px; background: var(--color-surface); cursor: pointer; }
.mod-cell input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--color-accent); }
.mod-cell b { display: block; font-size: 13px; }
.mod-cell em { font-style: normal; font-size: 11.5px; color: var(--color-text-muted); }
@media (max-width: 720px) {
  .mod-grid { grid-template-columns: 1fr; }
  .cover-row { flex-direction: column; }
  .vis-toggle { float: none; display: flex; margin-top: 2px; }
}

/* ═══════════ 后台 2.0（图标分组左栏 + 顶部条 + 内容卡片 + 设置横 tab）═══════════ */
.admin-shell { grid-template-columns: 216px minmax(0, 1fr); gap: 20px; }
.admin-side { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; padding: 12px; height: fit-content; }
.admin-brand { padding: 4px 4px 12px; gap: 10px; text-decoration: none; }
.admin-brand span { display: flex; flex-direction: column; }
.admin-brand em { font-style: normal; font-size: 11.5px; color: var(--color-text-muted); }
.admin-nav { margin-top: 8px; gap: 2px; }
.admin-nav-group { font-size: 11px; letter-spacing: .12em; color: var(--color-text-muted); margin: 12px 0 4px; padding: 0 6px; }
.admin-nav a { padding: 7px 8px; font-size: 13px; gap: 8px; border-radius: 8px; }
.admin-nav a i { font-style: normal; width: 16px; text-align: center; font-size: 13px; opacity: .85; }
.admin-nav a.on i { opacity: 1; }
.admin-side-foot { display: flex; flex-direction: column; gap: 4px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--color-border); font-size: 12px; }
.admin-main { min-width: 0; }
.admin-top { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; flex-wrap: wrap; }
.admin-top-title { font-weight: 700; font-size: 15px; }
.admin-top-actions { margin-left: auto; display: flex; gap: 8px; }
.admin-panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; padding: 20px 22px 24px; }
.admin-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--color-border); margin: -2px 0 20px; overflow-x: auto; }
.admin-tabs a { padding: 8px 12px; font-size: 13px; color: var(--color-text-secondary); border-bottom: 2px solid transparent; white-space: nowrap; }
.admin-tabs a:hover { color: var(--color-text); }
.admin-tabs a.on { color: var(--color-text); border-bottom-color: var(--color-accent); font-weight: 600; }
.admin-h1 { font-size: 20px; margin: 0 0 14px; }
@media (max-width: 860px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { position: static; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; }
  .admin-nav a { flex: 0 0 auto; }
  .admin-nav-group { width: 100%; }
  .admin-panel { padding: 16px 14px 20px; }
}

/* ═══════════ 文章里的「茶小二」回复卡 ═══════════ */
.ai-reply {
  margin: 26px 0 10px;
  padding: 14px 18px 12px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 32%, var(--color-border));
  border-left: 4px solid var(--color-accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-surface));
}
.ai-reply-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.ai-reply-badge {
  font-size: 11.5px; font-weight: 600; padding: 1px 9px; border-radius: 999px;
  background: var(--color-accent); color: var(--color-accent-contrast);
}
.ai-reply-title { font-size: 13.5px; }
.ai-reply-meta { font-size: 11.5px; color: var(--color-text-muted); }
.ai-reply-del { margin-left: auto; }
.ai-reply-del .link-btn { font-size: 11.5px; color: var(--color-text-muted); }
.ai-reply-del .link-btn:hover { color: var(--color-danger); }
.ai-reply-body { font-size: 14.5px; line-height: 1.85; color: var(--color-text); }
.ai-reply-body p { margin: 0 0 8px; }
.ai-reply-body ul, .ai-reply-body ol { margin: 6px 0 10px; padding-left: 22px; }
.ai-reply-body li { margin: 3px 0; }
.ai-reply-body blockquote {
  margin: 8px 0; padding: 6px 12px; border-left: 3px solid var(--color-accent);
  color: var(--color-text-secondary); background: color-mix(in srgb, var(--color-accent) 5%, transparent);
}
.ai-reply-foot { margin-top: 8px; padding-top: 8px; border-top: 1px dashed color-mix(in srgb, var(--color-accent) 25%, var(--color-border)); font-size: 11.5px; color: var(--color-text-muted); }

/* ═══════════ 后台：文章批量修改 ═══════════ */
.bulk-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 12px 0 10px; padding: 10px 12px;
  border: 1px dashed var(--color-border-strong); border-radius: 10px; background: var(--color-surface-2); }
.bulk-title { font-size: 13px; }
.bulk-select { height: 32px; padding: 0 8px; font-size: 13px; font-family: inherit; color: var(--color-text);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; }
.admin-table-bulk .bulk-check { width: 36px; text-align: center; }
.admin-table-bulk .bulk-check input { width: 15px; height: 15px; accent-color: var(--color-accent); cursor: pointer; }

/* AI 内容署名：打印/导出也别把「茶小二 · AI」徽章弄丢（版权署名，不能省） */
@media print {
  .ai-reply { border-left-width: 6px !important; }
  .ai-reply-head { display: flex !important; }
  .ai-reply-badge { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .ai-reply-foot { display: block !important; }
}

/* ═══════════ 平台服务条：不跟随个人博客主题 ═══════════ */
/* 刻意不用 var(--color-*)，避免被博客皮肤改掉 */
.site-service { background: #1c1a17; border-top: 3px solid #a8492b; }
.site-service-in { display: flex; align-items: center; justify-content: center; gap: 10px;
  max-width: 1080px; margin: 0 auto; padding: 14px 20px; color: #f3ece2; font-size: 13.5px;
  text-decoration: none; letter-spacing: .01em; }
.site-service-in:hover { color: #ffffff; text-decoration: none; }
.site-service-mark { width: 28px; height: 28px; flex: none; border-radius: 8px; background: #a8492b;
  color: #ffffff; display: grid; place-items: center; font-size: 15px; font-weight: 700; }
.site-service-text b { color: #ffffff; font-weight: 700; }
.site-service-sub { color: #b9ac9c; font-size: 12px; margin-left: 4px; }
@media (max-width: 560px) { .site-service-in { flex-direction: column; gap: 6px; padding: 14px; text-align: center; } }

/* 两栏：列表页统一用 site-grid（左内容 + 右栏），详情页保持单栏 */
.site-main { max-width: 1120px; }

/* 标签页大号标签 */
.site-tags.big { gap: 10px; }
.site-tags.big a { font-size: 14px; padding: 6px 12px; }

/* 文章页单栏要居中，别贴着左边 */
.site-wrap-post { margin-left: auto; margin-right: auto; }

/* 评论区工具条：全部 / 只看楼主 / 倒序 */
.comment-tools { display: flex; gap: 14px; margin: -4px 0 12px; font-size: 13px; }
.comment-tools .link-btn.on { color: var(--color-accent); font-weight: 600; }
.comment-node .floor-no { color: var(--color-text-muted); text-decoration: none; }
.comment-node .floor-no:hover { color: var(--color-accent); }
.comment-node:target { outline: 2px solid var(--color-accent); outline-offset: 6px; border-radius: 8px; }

/* 草稿提示 + 图片灯箱 */
.md-draft-tip { display: inline-block; margin-top: 6px; font-size: 12px; color: var(--color-accent); }
.img-lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(12,10,9,.88); display: flex;
  align-items: center; justify-content: center; padding: 24px; cursor: zoom-out; }
.img-lightbox img { max-width: 94vw; max-height: 92vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }

/* 楼中楼：子楼缩进 + 左侧竖线 */
.comment-node.is-child { margin-left: 22px; padding-left: 16px; border-left: 2px solid var(--color-border); }
.comment-node.is-child .comment-body { font-size: 14.5px; }
.reply-target { margin: 6px 0; font-size: 12.5px; color: var(--color-accent); cursor: pointer; }

.reply-filter { height: 28px; padding: 0 10px; font-size: 12.5px; font-family: inherit; color: var(--color-text);
  background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: 6px; min-width: 180px; }
.collapse-toggle { margin-top: 6px; display: inline-block; }

/* 楼内反应 */
.comment-reacts { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 2px; }
.comment-reacts .react { border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-secondary);
  border-radius: 999px; padding: 1px 9px; font-size: 12.5px; cursor: pointer; font-family: inherit; }
.comment-reacts .react:hover { border-color: var(--color-accent); color: var(--color-accent); }
.comment-reacts .react.on { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-surface-2); }
.comment-reacts .react-add { opacity: .55; }
.comment-reacts .react-add:hover { opacity: 1; }

.comment-sign { margin: 6px 0 0; padding-left: 10px; border-left: 3px solid var(--color-border);
  font-size: 12.5px; color: var(--color-text-muted); }

/* 版块筛选条 */
.forum-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 14px; }
.ff-input, .ff-select { height: 32px; padding: 0 10px; font-size: 13px; font-family: inherit; color: var(--color-text);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 8px; }
.ff-input { width: 150px; }
.ff-check { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--color-text-secondary); }