/* ==========================================================================
   RUNDA Design System · 组件库外壳（参考 coss.com/ui 布局与视觉）
   说明：仅负责站点外壳（头部/侧边栏/卡片网格/文档页），组件自身的样式在
   design-system.css 中，两者互不覆盖。
   ========================================================================== */

/* ---------- 字体 ---------- */
/* 站点外壳字体（coss.com 风格），仅用于预览站导航与标题，不用于组件大数字 */
@font-face {
  font-family: "Cal Sans";
  src: url("fonts/CalSansVF.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
/* 大数字字体：Urbanist Medium */
@font-face {
  font-family: "Urbanist";
  src: url("fonts/Urbanist-Medium.ttf") format("truetype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Paper Mono";
  src: url("fonts/PaperMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- 设计变量 ---------- */
:root {
  --header-h: 64px;
  --container: 1440px;
  --radius: 10px;

  --bg: #ffffff;
  --sidebar: #fafafa;
  --fg: #262626;
  --fg-strong: #0a0a0a;
  --muted-fg: #686868;
  --border: rgba(0, 0, 0, 0.07);
  --border-64: rgba(0, 0, 0, 0.05);
  --muted: rgba(0, 0, 0, 0.04);
  --accent: rgba(0, 0, 0, 0.04);
  --primary: #262626;
  --primary-fg: #fafafa;
  --card: #ffffff;
  --card-mix: #fcfcfc;
  --input: rgba(0, 0, 0, 0.1);
  --ring: #a3a3a3;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.05);

  --font-sans: "Cal Sans", "PingFang SC", "Noto Sans SC", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Paper Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.dark {
  --bg: #141414;
  --sidebar: #141414;
  --fg: #f5f5f5;
  --fg-strong: #fafafa;
  --muted-fg: #a3a3a3;
  --border: rgba(255, 255, 255, 0.12);
  --border-64: rgba(255, 255, 255, 0.08);
  --muted: rgba(255, 255, 255, 0.06);
  --accent: rgba(255, 255, 255, 0.06);
  --primary: #fafafa;
  --primary-fg: #171717;
  --card: #171717;
  --card-mix: #1c1c1c;
  --input: rgba(255, 255, 255, 0.16);
  --ring: #737373;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
}

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

html { color-scheme: light; }
html.dark { color-scheme: dark; }

body,
body.site-body {
  margin: 0;
  background: var(--sidebar);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

a { color: inherit; }
button { font-family: inherit; }
svg { display: block; }
::selection { background: color-mix(in srgb, var(--fg) 16%, transparent); }

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* ---------- 页面框架 ---------- */
.frame {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg);
  border-left: 1px solid var(--border-64);
  border-right: 1px solid var(--border-64);
}

/* 头部底部的两个装饰方块（对应 coss 的角标） */
.frame > .corner {
  position: fixed;
  top: calc(var(--header-h) - 4.5px);
  width: 8px;
  height: 8px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--card);
  z-index: 45;
  pointer-events: none;
  display: none;
}
@media (min-width: 1441px) {
  .frame > .corner { display: block; }
  .frame > .corner.left { left: calc(50% - var(--container) / 2 - 4.5px); }
  .frame > .corner.right { right: calc(50% - var(--container) / 2 - 4.5px); }
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--sidebar) 80%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-64);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--header-h);
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.01em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--fg-strong);
}
.logo .logo-dim {
  color: color-mix(in srgb, var(--muted-fg) 64%, transparent);
  font-size: 0.72em;
  letter-spacing: 0.02em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  text-decoration: none;
  transition: background-color 120ms ease;
}
.nav-link:hover { background: var(--accent); }

.search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 36px;
  width: 120px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--muted-fg);
  font-size: 12px;
  cursor: pointer;
  box-shadow: var(--shadow-xs);
}
.search-btn:hover { background: var(--accent); color: var(--fg); }
.search-btn kbd {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--muted-fg);
  background: var(--muted);
  border-radius: 4px;
  padding: 1px 5px;
  line-height: 1.5;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 8px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg);
  text-decoration: none;
}
.github-link { border-right: 1px solid var(--border); border-radius: 8px 0 0 8px; }
.github-link:hover { background: var(--accent); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
}
.icon-btn:hover { background: var(--accent); }
.icon-btn svg { width: 18px; height: 18px; }

.menu-btn { display: none; }

/* ---------- 首页 ---------- */
.page-container { padding: 0 32px; }

.hero {
  max-width: 672px;
  padding: 56px 0 0;
}
.hero h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg-strong);
}
.hero p {
  margin: 8px 0 0;
  font-size: 18px;
  color: var(--muted-fg);
}
.hero-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease, box-shadow 120ms ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-fg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 1px 2px rgba(0, 0, 0, 0.08);
}
.btn-primary:hover { background: color-mix(in srgb, var(--primary) 90%, transparent); }

.btn-outline {
  background: var(--card);
  border-color: var(--border);
  color: var(--fg);
  box-shadow: var(--shadow-xs);
}
.btn-outline:hover { background: var(--accent); }

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
  border-radius: 6px;
}
.btn-sm svg { width: 14px; height: 14px; }

/* ---------- 组件卡片网格 ---------- */
.components-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  padding: 32px 0 80px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: box-shadow 180ms ease, border-color 180ms ease;
}
.card:hover {
  border-color: color-mix(in srgb, var(--fg) 14%, transparent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.card-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
}
.card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--fg-strong);
}
.card-title a { text-decoration: none; }
.card-title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.card-desc {
  margin: 0;
  min-height: 2lh;
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted-fg);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-preview {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-height: 218px;
  margin: 0 2px 2px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card-mix);
  overflow: hidden;
}

/* ---------- 首页卡片内的迷你组件 ---------- */
.mini { width: 100%; display: flex; align-items: center; justify-content: center; }
.mini-stack { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.mini-row { display: flex; align-items: center; gap: 8px; }
.mini-swatches { display: flex; gap: 8px; width: 100%; }
.mini-swatch { flex: 1; height: 64px; border-radius: 8px; border: 1px solid rgba(0,0,0,.06); }
.mini-type { text-align: left; width: 100%; }
.mini-type .big { font-size: 40px; line-height: 1; font-weight: 700; letter-spacing: -0.03em; color: var(--fg-strong); }
.mini-type .num { font-family: var(--font-mono); font-size: 13px; color: var(--muted-fg); margin-top: 6px; }
.mini-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 32px; padding: 0 12px; border-radius: 6px; font-size: 13px; font-weight: 500;
  border: 1px solid var(--border); background: #fff; color: #262626;
}
.mini-btn.dark { background: #185058; border-color: #185058; color: #fff; }
.mini-input {
  height: 34px; width: 100%; border: 1px solid #E4E4E7; border-radius: 6px; background: #fff;
  display: flex; align-items: center; padding: 0 10px; color: #71717A; font-size: 12px;
}
.mini-chip { display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px; font-size: 11px; background: #F0F7F8; color: #185058; border: 1px solid #D9EBED; }
.mini-table { width: 100%; border: 1px solid var(--border); border-radius: 8px; background: #fff; overflow: hidden; }
.mini-table .row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; padding: 8px 10px; border-bottom: 1px solid #F4F4F5; font-size: 11px; color: #52525B; }
.mini-table .row:last-child { border-bottom: 0; }
.mini-table .row.head { background: #FAFAFA; color: #71717A; font-weight: 600; }
.mini-kpi { font-family: var(--font-numeric, "Urbanist", "PingFang SC", sans-serif); font-size: 44px; font-weight: 600; letter-spacing: -0.03em; color: #18181B; font-variant-numeric: tabular-nums; }
.mini-kpi small { display: block; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: #71717A; font-weight: 600; margin-bottom: 6px; }
.mini-timeline { width: 100%; padding-left: 14px; position: relative; }
.mini-timeline::before { content: ""; position: absolute; left: 4px; top: 4px; bottom: 4px; width: 2px; background: #E4E4E7; }
.mini-tl-item { position: relative; padding: 4px 0 10px 12px; font-size: 11px; color: #52525B; }
.mini-tl-item::before { content: ""; position: absolute; left: -14px; top: 7px; width: 8px; height: 8px; border-radius: 50%; background: #185058; box-shadow: 0 0 0 2px #fff; }
.mini-tl-item:nth-child(2)::before { background: #C28A2C; }
.mini-tl-item:nth-child(3)::before { background: #3F8F5C; }
.mini-tabs { display: flex; gap: 4px; border-bottom: 1px solid #E4E4E7; width: 100%; }
.mini-tab { padding: 6px 10px; font-size: 12px; color: #71717A; border-bottom: 2px solid transparent; }
.mini-tab.active { color: #185058; border-bottom-color: #185058; font-weight: 600; }
.mini-avatar { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; color: #fff; border: 2px solid #fff; margin-left: -8px; }
.mini-avatar:first-child { margin-left: 0; }
.mini-avatar.a1 { background: #185058; } .mini-avatar.a2 { background: #2A7F8B; } .mini-avatar.a3 { background: #4D9CA7; } .mini-avatar.a4 { background: #6E582C; }
.mini-bubble { border-radius: 10px; padding: 10px 12px; font-size: 11px; line-height: 1.5; max-width: 85%; }
.mini-bubble.ai { background: #fff; border: 1px solid #E4E4E7; align-self: flex-start; color: #3F3F46; }
.mini-bubble.user { background: #F0F7F8; border: 1px solid #D9EBED; align-self: flex-end; color: #185058; }
.mini-drop { width: 100%; border: 1px dashed #D4D4D8; border-radius: 10px; padding: 18px; text-align: center; color: #71717A; font-size: 12px; background: #fff; }
.mini-progress { height: 6px; border-radius: 999px; background: #F4F4F5; width: 100%; overflow: hidden; }
.mini-progress span { display: block; height: 100%; width: 62%; background: #185058; }
.mini-accordion { width: 100%; border: 1px solid #E4E4E7; border-radius: 8px; background: #fff; overflow: hidden; }
.mini-accordion .q { padding: 9px 12px; font-size: 12px; color: #3F3F46; border-bottom: 1px solid #F4F4F5; display: flex; justify-content: space-between; }
.mini-accordion .q:last-child { border-bottom: 0; }
.mini-accordion .a { padding: 0 12px 10px; font-size: 11px; color: #71717A; }
.mini-date { width: 100%; border: 1px solid #E4E4E7; border-radius: 8px; background: #fff; padding: 10px; }
.mini-date .d-head { display: flex; justify-content: space-between; font-size: 11px; color: #52525B; margin-bottom: 8px; }
.mini-date .d-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; font-size: 9px; text-align: center; color: #71717A; }
.mini-date .d-grid b { background: #185058; color: #fff; border-radius: 3px; font-weight: 500; }
.mini-toast { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid #E4E4E7; border-left: 3px solid #3F8F5C; border-radius: 6px; background: #fff; font-size: 12px; color: #3F3F46; width: 100%; }
.mini-desc { width: 100%; border: 1px solid #E4E4E7; border-radius: 8px; overflow: hidden; }
.mini-desc .dr { display: grid; grid-template-columns: 84px 1fr; font-size: 11px; border-bottom: 1px solid #F4F4F5; }
.mini-desc .dr:last-child { border-bottom: 0; }
.mini-desc .k { background: #FAFAFA; padding: 7px 10px; color: #71717A; }
.mini-desc .v { padding: 7px 10px; color: #3F3F46; }
.mini-layout { width: 100%; height: 130px; border: 1px solid #E4E4E7; border-radius: 8px; display: grid; grid-template-columns: 54px 1fr; overflow: hidden; background: #fff; }
.mini-layout .sb { background: #FAFAFA; border-right: 1px solid #E4E4E7; padding: 8px 6px; display: flex; flex-direction: column; gap: 6px; }
.mini-layout .sb i { display: block; height: 6px; border-radius: 3px; background: #E4E4E7; }
.mini-layout .sb i:first-child { background: #185058; width: 70%; }
.mini-layout .ct { padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.mini-layout .ct .bar { height: 10px; border-radius: 4px; background: #F4F4F5; }
.mini-layout .ct .bar.w60 { width: 60%; }
.mini-layout .ct .box { flex: 1; border: 1px solid #F4F4F5; border-radius: 6px; }
.mini-grid { width: 100%; display: flex; flex-direction: column; gap: 6px; }
.mini-grid .g { display: grid; grid-template-columns: repeat(12, 1fr); gap: 4px; }
.mini-grid .g span { height: 12px; background: #F0F7F8; border: 1px solid #D9EBED; border-radius: 2px; }
.mini-form { width: 100%; display: flex; flex-direction: column; gap: 6px; }
.mini-form label { font-size: 11px; color: #3F3F46; }
.mini-form .req { color: #A8453B; }
.mini-steps { display: flex; align-items: center; gap: 6px; width: 100%; }
.mini-steps .s { flex: 1; display: flex; flex-direction: column; gap: 5px; }
.mini-steps .s i { height: 4px; border-radius: 2px; background: #E4E4E7; }
.mini-steps .s.on i { background: #185058; }
.mini-steps .s em { font-style: normal; font-size: 10px; color: #71717A; }
.mini-anchor { width: 100%; font-size: 12px; line-height: 1.8; color: #3F3F46; }
.mini-anchor mark { background: #FEF3C7; color: #92400E; padding: 0 2px; border-bottom: 2px solid #C28A2C; }
.mini-curve { width: 100%; height: 100px; }
.mini-upload { width: 100%; }
.mini-message { width: 100%; display: flex; flex-direction: column; gap: 6px; }
.mini-message .m { font-size: 11px; padding: 7px 10px; border-radius: 6px; border-left: 3px solid; }
.mini-message .ok { background: #F0FDF4; border-color: #3F8F5C; color: #166534; }
.mini-message .warn { background: #FFFBEB; border-color: #C28A2C; color: #92400E; }
.mini-message .err { background: #FEF2F2; border-color: #A8453B; color: #991B1B; }
.mini-status { width: 100%; display: flex; flex-direction: column; gap: 8px; }
.mini-status .line { height: 8px; border-radius: 4px; background: #F4F4F5; overflow: hidden; }
.mini-status .line span { display: block; height: 100%; width: 70%; background: #185058; }
.mini-status .dotline { display: flex; gap: 6px; align-items: center; font-size: 11px; color: #71717A; }
.mini-status .dot { width: 8px; height: 8px; border-radius: 50%; background: #3F8F5C; }
.mini-empty { width: 100%; text-align: center; padding: 12px; color: #71717A; font-size: 11px; }
.mini-empty .circle { width: 40px; height: 40px; border-radius: 50%; background: #F0F7F8; margin: 0 auto 8px; display: flex; align-items: center; justify-content: center; color: #185058; }
.mini-workstation { width: 100%; border: 1px solid #E4E4E7; border-radius: 8px; background: #fff; overflow: hidden; }
.mini-workstation .ws-head { background: #F0F7F8; padding: 8px 10px; font-size: 11px; color: #185058; display: flex; justify-content: space-between; }
.mini-workstation .ws-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 10px; }
.mini-workstation .ws-body div { height: 34px; border-radius: 4px; background: #FAFAFA; border: 1px solid #F4F4F5; }
.mini-page { width: 100%; display: flex; gap: 6px; align-items: center; }
.mini-page .ph { flex: 1; height: 56px; border: 1px solid #E4E4E7; border-radius: 6px; background: #fff; display: flex; align-items: center; justify-content: center; font-size: 10px; color: #71717A; }
.mini-page .ph.on { border-color: #185058; box-shadow: inset 0 -3px 0 #185058; color: #185058; font-weight: 600; }

/* ---------- 搜索对话框 ---------- */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 16px 16px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
}
.dialog-backdrop.open { display: flex; }

.dialog {
  width: 560px;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.dialog-input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--fg);
  background: transparent;
  outline: none;
}
.dialog-input::placeholder { color: var(--muted-fg); }

.dialog-list {
  max-height: 360px;
  overflow-y: auto;
  padding: 8px;
}
.dialog-empty { padding: 24px; text-align: center; font-size: 13px; color: var(--muted-fg); }

.dialog-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg);
  text-decoration: none;
  cursor: pointer;
}
.dialog-item .path { margin-left: auto; font-size: 12px; color: var(--muted-fg); }
.dialog-item[aria-selected="true"],
.dialog-item:hover { background: var(--muted); }

.dialog-footer {
  display: flex;
  gap: 16px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted-fg);
}
.dialog-footer kbd {
  font-family: var(--font-sans);
  background: var(--muted);
  border-radius: 4px;
  padding: 0 4px;
  margin-right: 4px;
}

/* ---------- 移动端抽屉 ---------- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  background: rgba(0, 0, 0, 0.4);
}
.drawer-backdrop.open { display: block; }

.drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 91;
  width: 280px;
  max-width: 85vw;
  background: var(--card);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  padding: 16px 12px;
}
.drawer.open { transform: translateX(0); }
.drawer .drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 4px 8px 16px; }

/* ---------- 文档页 ---------- */
.docs-layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 168px;
  gap: 32px;
  padding: 0 32px 80px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 32px 0 24px;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.side-group { margin-bottom: 16px; }
.side-label {
  display: flex;
  align-items: center;
  height: 28px;
  padding: 0 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-fg);
}
.side-link {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg);
  text-decoration: none;
  transition: background-color 120ms ease;
}
.side-link:hover { background: var(--muted); }
.side-link.active { background: var(--muted); font-weight: 500; }

.docs-main { min-width: 0; padding-top: 32px; }

.doc-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  padding: 48px;
  max-width: 100%;
  margin: 0 auto;
}

.doc h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--fg-strong);
}
.doc-lead {
  margin: 8px 0 0;
  font-size: 18px;
  color: var(--muted-fg);
}
.doc-actions { display: flex; gap: 8px; margin-top: 16px; }
.doc-actions .btn svg { width: 14px; height: 14px; }

.doc-tabs {
  display: flex;
  gap: 8px;
  margin-top: 28px;
  border-bottom: 1px solid var(--border);
}
.doc-tab {
  position: relative;
  padding: 8px 4px 10px;
  border: 0;
  background: none;
  font-size: 14px;
  color: var(--muted-fg);
  cursor: pointer;
}
.doc-tab.active { color: var(--fg-strong); font-weight: 500; }
.doc-tab.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--fg-strong);
}

.doc-pane { display: none; }
.doc-pane.active { display: block; }

.preview-box {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  padding: 24px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-box > .section { width: 100%; margin: 0; }
.preview-box .section-title { display: none; }

.code-box {
  position: relative;
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--sidebar) 60%, var(--card));
  overflow: hidden;
}
.code-box pre {
  margin: 0;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fg);
  overflow: auto;
  max-height: 520px;
}
.code-copy {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--muted-fg);
  cursor: pointer;
}
.code-copy:hover { color: var(--fg); background: var(--accent); }
.code-copy svg { width: 14px; height: 14px; }

/* ---------- 包管理器命令块（使用说明 · CLI） ---------- */
.cmd-group { margin-top: 28px; }
.cmd-group-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.cmd-kicker {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-fg);
}
.cmd-group .cmd-group-head h3 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
}
.cmd-group .cmd-group-head p {
  margin: 0;
  max-width: 620px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted-fg);
}
.cmd-badge {
  flex: none;
  padding: 3px 8px;
  border: 1px solid rgba(24, 80, 88, 0.22);
  border-radius: 999px;
  background: rgba(24, 80, 88, 0.06);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: #185058;
}
.dark .cmd-badge {
  border-color: rgba(127, 186, 194, 0.3);
  background: rgba(127, 186, 194, 0.1);
  color: #B0D6DB;
}
.cmd-block {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--sidebar) 60%, var(--card));
  overflow: hidden;
}
.cmd-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-bottom: 1px solid var(--border);
}
.cmd-terminal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: var(--primary);
  color: var(--primary-fg);
}
.cmd-terminal svg { width: 15px; height: 15px; }
.cmd-tabs { display: flex; align-items: center; gap: 2px; }
.cmd-tab {
  appearance: none;
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--muted-fg);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}
.cmd-tab:hover { color: var(--fg); }
.cmd-tab.is-active {
  background: var(--accent);
  color: var(--fg-strong);
  font-weight: 500;
}
.cmd-tab:focus-visible,
.cmd-copy:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.cmd-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 28px;
  height: 28px;
  margin-left: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--muted-fg);
  cursor: pointer;
  transition: color 150ms ease, background-color 150ms ease;
}
.cmd-copy:hover { color: var(--fg); background: var(--accent); }
.cmd-copy.is-done { color: #185058; }
.dark .cmd-copy.is-done { color: #7FBAC2; }
.cmd-copy svg { width: 14px; height: 14px; }
.cmd-body {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--fg);
}
.cmd-block .cmd-body code {
  padding: 0;
  background: none;
  font-family: inherit;
  font-size: inherit;
  white-space: pre;
}
.cmd-group .cmd-note {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted-fg);
}
.cmd-group .cmd-note code {
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.94em;
}
@media (max-width: 560px) {
  .cmd-body { overflow-x: visible; }
  .cmd-block .cmd-body code { white-space: pre-wrap; overflow-wrap: anywhere; }
  .doc code { overflow-wrap: anywhere; }
}
@media (max-width: 480px) {
  .cmd-group-head { gap: 8px; }
  .cmd-badge { display: none; }
  .cmd-tab { padding: 5px 7px; }
}

.doc-section { margin-top: 64px; }
.doc-section h2 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg-strong);
}

/* 概述文档页（介绍 / 设计规范）的正文排版 */
.doc h3 {
  margin: 28px 0 8px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
}
.doc ul,
.doc ol {
  margin: 8px 0 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
}
.doc ul { list-style: disc; }
.doc ol { list-style: decimal; }
.doc li { margin: 4px 0; }
.doc li::marker { color: var(--muted-fg); }
.doc code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.92em;
}
.doc strong { color: var(--fg-strong); font-weight: 600; }
.doc-table {
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.doc-table .data-table { background: transparent; }
.doc-table .data-table thead th {
  background: var(--muted);
  border-bottom-color: var(--border);
  color: var(--muted-fg);
}
.doc-table .data-table tbody td {
  border-bottom-color: var(--border);
  color: var(--fg);
}
.doc-table .data-table tbody tr:hover { background: var(--muted); }
.doc-table code { white-space: nowrap; }
.doc-table .data-table tbody tr:last-child td { border-bottom: none; }
.doc-callout {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-left: 2px solid #185058;
  border-radius: 8px;
  background: rgba(24, 80, 88, 0.04);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
}
.doc-callout strong { color: #185058; }
.dark .doc-callout {
  border-left-color: #7FBAC2;
  background: rgba(127, 186, 194, 0.08);
}
.dark .doc-callout strong { color: #7FBAC2; }
.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.doc-grid-item {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-mix);
}
.doc-grid-item h4 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-strong);
}
.doc-grid-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted-fg);
}
.doc-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 720px) {
  .doc-grid,
  .doc-grid--3 { grid-template-columns: 1fr; }
  .doc-table .data-table { min-width: 600px; }
}

/* 右侧目录 */
.toc {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  max-height: calc(100vh - var(--header-h) - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px 0 32px;
  font-size: 13px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.toc h4 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
}
.toc a {
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 1px solid var(--border);
  color: var(--muted-fg);
  text-decoration: none;
  line-height: 1.4;
}
.toc a:hover { color: var(--fg); }
.toc a.sub { padding-left: 24px; }

/* 文档页内的组件演示：去掉旧页面的页面级间距 */
.doc-pane .demo-box { margin-bottom: 16px; }
.doc-pane .demo-box:last-child { margin-bottom: 0; }
.doc-pane .section { margin-bottom: 0; }

/* ---------- 更新日志 ---------- */
.changelog { max-width: 880px; padding: 8px 0 96px; }
.changelog-top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.changelog-pill {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--muted);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-fg);
}
.changelog-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.changelog-version {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-strong);
}
.changelog-date { margin-top: 6px; font-size: 12px; color: var(--muted-fg); }
.changelog-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.changelog-tag {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.changelog-tag.is-new { background: #F0F7F8; border-color: #D9EBED; color: #185058; }
.changelog-tag.is-fix { background: #FEF3C7; border-color: #FDE68A; color: #92400E; }
.changelog-tag.is-doc { background: var(--muted); border-color: var(--border); color: var(--muted-fg); }
.changelog-tag.is-refactor { background: #F4F4F5; border-color: #E4E4E7; color: #3F3F46; }
.dark .changelog-tag.is-new { background: rgba(127, 186, 194, 0.12); border-color: rgba(127, 186, 194, 0.28); color: #B0D6DB; }
.dark .changelog-tag.is-fix { background: rgba(194, 138, 44, 0.16); border-color: rgba(194, 138, 44, 0.32); color: #E8DCC1; }
.dark .changelog-tag.is-refactor { background: var(--muted); border-color: var(--border); color: var(--muted-fg); }
.changelog-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg-strong);
}
.changelog-list {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg);
  list-style: disc;
}
.changelog-list li { margin: 4px 0; }
.changelog-list li::marker { color: var(--muted-fg); }
.changelog-list code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.92em;
}
.changelog-note { margin-top: 12px; font-size: 13px; color: var(--muted-fg); }
@media (max-width: 720px) {
  .changelog-item { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1279px) {
  .components-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .docs-layout { grid-template-columns: 200px minmax(0, 1fr); }
  .toc { display: none; }
}

@media (max-width: 1023px) {
  .components-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 36px; }
  .docs-layout { grid-template-columns: minmax(0, 1fr); padding: 0 16px 64px; }
  .sidebar { display: none; }
  .doc-card { padding: 20px; }
  .menu-btn { display: inline-flex; }
  .header-nav .nav-link { display: none; }
  .search-btn { width: 44px; justify-content: center; }
  .search-btn .search-label { display: none; }
  .search-btn kbd { display: none; }
}

@media (max-width: 639px) {
  .components-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; padding-bottom: 48px; }
  .page-container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .logo { font-size: 20px; }
  .github-link span { display: none; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 16px; }
  .hero-actions { flex-wrap: wrap; }
  .doc h1 { font-size: 28px; }
  .doc-lead { font-size: 16px; }
}

/* ---------- 细节补充 ---------- */
.search-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.theme-toggle .icon-sun { display: none; }
.dark .theme-toggle .icon-sun { display: block; }
.dark .theme-toggle .icon-moon { display: none; }
.site-header.is-scrolled { box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04); }
.dark .site-header.is-scrolled { box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4); }

/* 文档预览区域：组件可能较宽，允许横向滚动而不是撑破卡片 */
.preview-box { overflow-x: auto; align-items: flex-start; justify-content: flex-start; }
.preview-box > .section { margin-bottom: 0; }
.preview-box .demo-box { margin-bottom: 16px; }
.preview-box .demo-box:last-child { margin-bottom: 0; }

/* 代码行号与滚动 */
.code-box code { white-space: pre; }

/* 文档内容中的正文 */
.doc p { font-size: 14px; line-height: 1.7; color: var(--fg); }
.doc .muted { color: var(--muted-fg); }

/* GitHub 图标尺寸 */
.github-link svg { width: 16px; height: 16px; flex-shrink: 0; }

/* 详情页中 11 列色板需要保底宽度，避免色值被截断 */
.preview-box .grid-cols-11 {
  grid-template-columns: repeat(11, minmax(0, 1fr));
}
.preview-box .swatch .info { padding: 6px; font-size: 9px; }
.preview-box .swatch .name,
.preview-box .swatch .hex {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 预览过窄时保留组件原始宽度，改为横向滚动，避免演示被压扁 */
@media (max-width: 1023px) {
  .preview-box > .section { min-width: 620px; }
}
.preview-box.preview-wide > .section { min-width: 1100px; }

/* 暗色外壳下，组件预览保持浅色画布，避免组件样式与外壳主题冲突 */
.dark .card-preview,
.dark .preview-box {
  background: #fcfcfc;
  border-color: rgba(0, 0, 0, 0.1);
}
.dark .card-preview,
.dark .preview-box {
  --fg: #262626;
  --fg-strong: #0a0a0a;
  --muted-fg: #686868;
  --border: rgba(0, 0, 0, 0.07);
  --card: #ffffff;
  --card-mix: #fcfcfc;
}

/* ---------- 端别切换（B 端 PC / C 端移动） ---------- */
.side-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 3px;
  margin: 0 0 20px;
  background: var(--muted);
  border-radius: 10px;
}
.side-switch__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted-fg);
  text-decoration: none;
  cursor: pointer;
  appearance: none;
  transition: background-color 140ms ease, color 140ms ease;
  white-space: nowrap;
}
.side-switch__item:hover { color: var(--fg); }
.side-switch__item.active {
  background: var(--card);
  color: var(--fg);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
}

/* 首页端别切换 */
.scope-switch {
  display: flex;
  width: max-content;
  gap: 2px;
  padding: 4px;
  margin: 20px 0 0;
  background: var(--muted);
  border-radius: 12px;
}
.scope-tab {
  appearance: none;
  border: 0;
  background: transparent;
  height: 34px;
  padding: 0 18px;
  border-radius: 9px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted-fg);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
  font-family: inherit;
}
.scope-tab:hover { color: var(--fg); }
.scope-tab.active {
  background: var(--card);
  color: var(--fg);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
}
.scope-tab:focus-visible {
  outline: 2px solid var(--accent, #2A7F8B);
  outline-offset: 2px;
}

/* 手机框缩略（首页 C 端卡片预览） */
.mini-phone {
  width: 142px;
  margin: 0 auto;
  border-radius: 14px;
  padding: 4px;
  background: #fff;
  box-shadow: 0 0 0 1px #E4E4E7, 0 6px 16px rgba(0, 0, 0, .06);
}
.mini-phone-screen {
  border-radius: 10px;
  background: #FAFAFA;
  padding: 8px 8px 9px;
  min-height: 152px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mini-phone-screen .mp-bar {
  height: 8px;
  border-radius: 3px;
  background: #E4E4E7;
}
.mini-phone-screen .mp-card {
  background: #fff;
  border-radius: 6px;
  padding: 5px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .04);
}
.mini-phone-screen .mp-num {
  font-family: 'Manrope', 'Urbanist', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #18181B;
  line-height: 1;
}
.mini-phone-screen .mp-line {
  height: 3px;
  border-radius: 2px;
  background: #F4F4F5;
  margin-top: 4px;
}
.mini-phone-screen .mp-btn {
  height: 11px;
  border-radius: 5px;
  background: #2A7F8B;
  margin-top: auto;
}
.mini-phone-screen .mp-tab {
  display: flex;
  gap: 4px;
  padding-top: 4px;
  border-top: 1px solid #E4E4E7;
  margin-top: 4px;
}
.mini-phone-screen .mp-tab i {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: #E4E4E7;
}
.mini-phone-screen .mp-tab i.on { background: #2A7F8B; }