/* ============================================================
   Liequ 猎取 — 极简留白设计系统
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --bg-sunken: #f4f4f5;
  --fg: #18181b;
  --fg-muted: #71717a;
  --fg-faint: #a1a1aa;
  --line: #e4e4e7;
  --line-soft: #f0f0f2;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --card: #ffffff;
  --card-hover: #fafafa;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);
  --shadow-md: 0 10px 34px rgba(0, 0, 0, .09);
  --maxw: 1180px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
  --bg: #0c0c0e;
  --bg-soft: #111113;
  --bg-sunken: #17171a;
  --fg: #e8e8ea;
  --fg-muted: #9a9aa3;
  --fg-faint: #6b6b74;
  --line: #26262b;
  --line-soft: #1b1b1f;
  --accent: #6b95ff;
  --accent-soft: #141a2b;
  --card: #121214;
  --card-hover: #17171a;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 14px 44px rgba(0, 0, 0, .55);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.015em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
input { font: inherit; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 顶栏 ---------- */

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--fg); color: var(--bg);
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700; letter-spacing: 0;
  align-self: center;
}
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: -.02em; }
.brand-sub { font-size: 12px; color: var(--fg-faint); font-family: var(--mono); }

.topnav { display: flex; gap: 4px; margin-left: 8px; }
.topnav a {
  padding: 6px 12px; border-radius: var(--radius-sm);
  font-size: 14px; color: var(--fg-muted);
  transition: color .15s, background .15s;
}
.topnav a:hover { color: var(--fg); background: var(--bg-sunken); }
.topnav a.is-active { color: var(--fg); background: var(--bg-sunken); font-weight: 500; }

.cmdk-trigger {
  margin-left: auto;
  display: flex; align-items: center; gap: 10px;
  height: 34px; padding: 0 8px 0 12px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--bg-soft); cursor: pointer;
  font-size: 13px; color: var(--fg-faint);
  transition: border-color .15s, color .15s, background .15s;
}
.cmdk-trigger:hover { border-color: var(--fg-faint); color: var(--fg-muted); }
.cmdk-kbd {
  font-family: var(--mono); font-size: 11px;
  padding: 2px 6px; border-radius: 5px;
  border: 1px solid var(--line); background: var(--bg);
  color: var(--fg-muted);
}

/* ---------- 布局 ---------- */

.main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px 80px; outline: none; }
.section { margin-top: 64px; scroll-margin-top: 80px; }
.section:first-child { margin-top: 0; }

.section-head {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.section-head h2 { font-size: 17px; }
.section-head .section-desc { font-size: 13px; color: var(--fg-faint); }
.section-head .section-count { margin-left: auto; font-size: 12px; color: var(--fg-faint); font-family: var(--mono); }

/* ---------- 首屏 ---------- */

.hero { padding: 72px 0 8px; }
.hero h1 {
  font-size: 40px; line-height: 1.2; letter-spacing: -.03em; font-weight: 650;
}
.hero p { margin-top: 12px; color: var(--fg-muted); font-size: 16px; max-width: 620px; }

.hero-search { margin-top: 32px; position: relative; max-width: 640px; }
.hero-search input {
  width: 100%; height: 54px;
  padding: 0 20px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg);
  font-size: 16px;
  transition: border-color .15s, box-shadow .15s;
}
.hero-search input::placeholder { color: var(--fg-faint); }
.hero-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}
.hero-hints { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.hero-hint {
  font-size: 12px; color: var(--fg-muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 3px 11px; cursor: pointer; background: none;
  transition: border-color .15s, color .15s, background .15s;
}
.hero-hint:hover { border-color: var(--fg-faint); color: var(--fg); background: var(--bg-soft); }
.hero-hint code { font-family: var(--mono); color: var(--accent); }

.hero-stats { margin-top: 28px; display: flex; gap: 28px; flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; gap: 2px; }
.hero-stat b { font-size: 20px; font-weight: 600; font-family: var(--mono); letter-spacing: -.02em; }
.hero-stat span { font-size: 12px; color: var(--fg-faint); }

/* ---------- 今日焦点 ---------- */

.focus-card {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  transition: border-color .2s;
}
.focus-card:hover { border-color: var(--fg-faint); }

.focus-kicker {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--fg-faint); font-family: var(--mono);
  margin-bottom: 18px;
}
.focus-kicker .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.focus-title { font-size: 30px; line-height: 1.28; letter-spacing: -.025em; }
.focus-quote { margin-top: 12px; color: var(--fg-muted); font-size: 15px; max-width: 480px; }
.focus-site {
  margin-top: 22px; display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--fg);
}
.focus-site .site-icon { width: 26px; height: 26px; border-radius: 7px; font-size: 12px; }
.focus-actions { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 18px;
  border-radius: 999px; border: 1px solid var(--line);
  background: var(--bg); cursor: pointer;
  font-size: 14px; color: var(--fg);
  transition: border-color .15s, background .15s, transform .15s;
}
.btn:hover { border-color: var(--fg-faint); background: var(--bg-soft); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn-primary:hover { background: color-mix(in srgb, var(--fg) 88%, var(--bg)); border-color: var(--fg); color: var(--bg); }
.btn-ghost { border-color: transparent; color: var(--fg-muted); }
.btn-ghost:hover { border-color: var(--line); color: var(--fg); }
.btn-sm { height: 32px; padding: 0 13px; font-size: 13px; }

.focus-visual {
  position: relative; overflow: hidden;
  aspect-ratio: 5 / 4;
  border-radius: var(--radius);
  background: linear-gradient(145deg, hsl(var(--h) 68% 93%), hsl(calc(var(--h) + 45) 60% 87%));
  display: grid; place-items: center;
}
[data-theme="dark"] .focus-visual {
  background: linear-gradient(145deg, hsl(var(--h) 30% 18%), hsl(calc(var(--h) + 45) 26% 13%));
}
.focus-visual::after {
  content: ""; position: absolute; inset: -20%;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.55), transparent 55%);
  pointer-events: none;
}
[data-theme="dark"] .focus-visual::after { background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.07), transparent 55%); }
.focus-letter {
  font-size: 130px; font-weight: 700; letter-spacing: -.05em;
  color: hsl(var(--h) 45% 42%); line-height: 1; user-select: none;
}
[data-theme="dark"] .focus-letter { color: hsl(var(--h) 45% 72%); }

.focus-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 14px; font-size: 12px; color: var(--fg-faint); font-family: var(--mono);
}
.focus-nav-buttons { display: flex; gap: 6px; }
.icon-btn {
  width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); cursor: pointer;
  display: grid; place-items: center; color: var(--fg-muted);
  transition: border-color .15s, color .15s;
}
.icon-btn:hover { border-color: var(--fg-faint); color: var(--fg); }

/* ---------- 任务流 ---------- */

.flow-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 14px; }
.flow-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 20px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); cursor: pointer; text-align: left;
  transition: border-color .18s, transform .18s, background .18s;
}
.flow-card:hover { border-color: var(--fg-faint); transform: translateY(-2px); background: var(--card-hover); }
.flow-emoji { font-size: 22px; line-height: 1; }
.flow-name { font-size: 15px; font-weight: 600; }
.flow-desc { font-size: 13px; color: var(--fg-muted); line-height: 1.55; flex: 1; }
.flow-meta { font-size: 12px; color: var(--fg-faint); font-family: var(--mono); margin-top: 4px; }

.flow-detail-head { padding: 56px 0 0; }
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--fg-muted); cursor: pointer; background: none; border: none; padding: 0;
}
.back-link:hover { color: var(--fg); }
.flow-detail-title { display: flex; align-items: center; gap: 14px; margin-top: 18px; }
.flow-detail-title .flow-emoji { font-size: 32px; }
.flow-detail-title h1 { font-size: 32px; letter-spacing: -.03em; }
.flow-detail-desc { margin-top: 10px; color: var(--fg-muted); font-size: 15px; }

.timeline { margin-top: 36px; }
.tl-step { display: grid; grid-template-columns: 200px 1fr; gap: 28px; padding: 22px 0; border-top: 1px solid var(--line-soft); }
.tl-step:first-child { border-top: none; }
.tl-step-t { font-size: 14px; font-weight: 600; color: var(--fg); }
.tl-step-n { display: block; font-size: 11px; color: var(--fg-faint); font-family: var(--mono); margin-bottom: 4px; }
.tl-sites { display: flex; flex-wrap: wrap; gap: 8px; }
.tl-site {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px 7px 8px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; background: var(--card);
  transition: border-color .15s, transform .15s;
}
.tl-site:hover { border-color: var(--fg-faint); transform: translateY(-1px); }
.tl-site .site-icon { width: 22px; height: 22px; border-radius: 6px; font-size: 11px; }
.tl-arrow { color: var(--fg-faint); font-family: var(--mono); font-size: 11px; }

/* ---------- 站点墙 ---------- */

.cat-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.cat-tab {
  padding: 5px 13px; border-radius: 999px; border: 1px solid transparent;
  background: none; cursor: pointer; font-size: 13px; color: var(--fg-muted);
  transition: color .15s, background .15s, border-color .15s;
}
.cat-tab:hover { color: var(--fg); background: var(--bg-sunken); }
.cat-tab.is-active { color: var(--fg); background: var(--bg-sunken); border-color: var(--line); font-weight: 500; }
.cat-tab .cat-tab-n { font-family: var(--mono); font-size: 11px; color: var(--fg-faint); margin-left: 5px; }

.filter-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.filter-bar input {
  flex: 1; max-width: 340px; height: 36px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg-soft); font-size: 14px;
}
.filter-bar input:focus { outline: none; border-color: var(--accent); background: var(--bg); }
.filter-count { font-size: 12px; color: var(--fg-faint); font-family: var(--mono); margin-left: auto; }

.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(196px, 1fr)); gap: 10px; }
.site-card {
  position: relative;
  display: flex; gap: 11px; align-items: flex-start;
  padding: 14px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); cursor: pointer; text-align: left;
  transition: border-color .15s, transform .15s, background .15s;
}
.site-card:hover { border-color: var(--fg-faint); transform: translateY(-2px); background: var(--card-hover); }
.site-icon {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  display: grid; place-items: center;
  font-size: 15px; font-weight: 600; letter-spacing: -.02em;
  background: hsl(var(--h, 240) 62% 94%);
  color: hsl(var(--h, 240) 52% 38%);
}
[data-theme="dark"] .site-icon {
  background: hsl(var(--h, 240) 30% 18%);
  color: hsl(var(--h, 240) 65% 72%);
}
.site-body { min-width: 0; flex: 1; overflow: hidden; }
.site-name {
  font-size: 14px; font-weight: 550; letter-spacing: -.01em;
  display: flex; align-items: baseline; gap: 6px; min-width: 0;
}
.site-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-name .site-host {
  flex: none; max-width: 48%;
  font-size: 11px; color: var(--fg-faint); font-family: var(--mono); font-weight: 400;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.site-desc {
  margin-top: 3px; font-size: 12.5px; color: var(--fg-muted); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.site-tags { margin-top: 7px; display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
  font-size: 10.5px; color: var(--fg-faint);
  background: var(--bg-sunken); border-radius: 4px; padding: 1px 6px;
}
.site-fav {
  position: absolute; top: 8px; right: 8px;
  width: 26px; height: 26px; border-radius: 6px; border: none;
  background: none; cursor: pointer; color: var(--fg-faint);
  display: grid; place-items: center; opacity: 0;
  transition: opacity .15s, color .15s;
}
.site-card:hover .site-fav, .site-fav.is-on { opacity: 1; }
.site-fav.is-on { color: var(--accent); }
.site-fav:hover { color: var(--fg); }

.empty {
  padding: 60px 0; text-align: center; color: var(--fg-faint); font-size: 14px;
}

/* ---------- 命令面板 ---------- */

.cmdk { position: fixed; inset: 0; z-index: 90; }
.cmdk[hidden] { display: none; }
.cmdk-backdrop { position: absolute; inset: 0; background: rgba(9, 9, 11, .34); backdrop-filter: blur(3px); }
.cmdk-panel {
  position: relative; z-index: 1;
  width: min(640px, calc(100vw - 32px));
  margin: 11vh auto 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.cmdk-head { display: flex; align-items: center; gap: 10px; padding: 0 18px; border-bottom: 1px solid var(--line-soft); }
.cmdk-prefix { font-family: var(--mono); font-size: 15px; color: var(--fg-faint); width: 12px; text-align: center; }
.cmdk-input { flex: 1; height: 54px; border: none; background: none; font-size: 16px; outline: none; }
.cmdk-input::placeholder { color: var(--fg-faint); }
.cmdk-results { max-height: 52vh; overflow-y: auto; padding: 8px; }
.cmdk-group {
  font-size: 11px; color: var(--fg-faint); font-family: var(--mono);
  padding: 10px 10px 6px; letter-spacing: .04em; text-transform: uppercase;
}
.cmdk-item {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 10px; border-radius: var(--radius-sm); cursor: pointer;
}
.cmdk-item .site-icon { width: 28px; height: 28px; border-radius: 7px; font-size: 13px; }
.cmdk-item-main { flex: 1; min-width: 0; }
.cmdk-item-title { font-size: 14px; display: flex; align-items: baseline; gap: 8px; }
.cmdk-item-title .kbd-hint { font-size: 11px; color: var(--fg-faint); font-family: var(--mono); }
.cmdk-item-desc { font-size: 12px; color: var(--fg-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cmdk-item-tag {
  font-size: 11px; color: var(--fg-faint); font-family: var(--mono);
  border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; flex: none;
}
.cmdk-item.is-sel { background: var(--bg-sunken); }
.cmdk-item.is-sel .kbd-hint { color: var(--fg-muted); }
.cmdk-item-arrow { color: var(--fg-faint); font-size: 13px; flex: none; }
.cmdk-empty { padding: 34px 12px; text-align: center; color: var(--fg-faint); font-size: 13.5px; }
.cmdk-foot {
  display: flex; align-items: center; gap: 16px;
  padding: 9px 16px; border-top: 1px solid var(--line-soft);
  font-size: 11.5px; color: var(--fg-faint);
}
.cmdk-foot kbd {
  font-family: var(--mono); font-size: 10.5px;
  border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; margin-right: 3px;
}
.cmdk-foot-spacer { flex: 1; }

/* ---------- 图谱 ---------- */

.graph-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.graph-toolbar .spacer { flex: 1; }
.graph-wrap {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--bg-soft); overflow: hidden;
}
.graph-svg { display: block; width: 100%; height: min(74vh, 780px); min-height: 520px; touch-action: none; }
.graph-node { cursor: pointer; }
.graph-node circle { transition: r .15s, opacity .15s; }
.graph-node text {
  font-family: var(--sans); font-size: 11px; fill: var(--fg-muted);
  paint-order: stroke; stroke: var(--bg-soft); stroke-width: 3px; stroke-linejoin: round;
}
.graph-node.is-hot text { fill: var(--fg); font-weight: 600; }
.graph-svg.dense .graph-node text { opacity: 0; transition: opacity .15s; }
.graph-svg.dense .graph-node.is-key text { opacity: .85; }
.graph-svg.dense .graph-node.is-hot text { opacity: 1; }
.graph-edge { stroke: var(--line); stroke-width: 1; transition: stroke .15s, opacity .15s; }
.graph-legend {
  position: absolute; left: 14px; bottom: 14px;
  font-size: 11.5px; color: var(--fg-faint); font-family: var(--mono);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 7px 11px; backdrop-filter: blur(6px);
  max-width: calc(100% - 28px);
}
.graph-reset {
  position: absolute; right: 14px; top: 14px; z-index: 2;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(6px);
}

/* ---------- 我的 ---------- */

.me-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; align-items: start; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 20px; }
.panel h3 { font-size: 14px; margin-bottom: 4px; }
.panel .panel-desc { font-size: 12.5px; color: var(--fg-faint); margin-bottom: 16px; }
.panel + .panel { margin-top: 0; }
.opt-row { display: flex; gap: 8px; flex-wrap: wrap; }
.opt {
  flex: 1; min-width: 88px; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg); cursor: pointer; text-align: left;
  transition: border-color .15s, background .15s;
}
.opt:hover { border-color: var(--fg-faint); }
.opt.is-on { border-color: var(--fg); background: var(--bg-sunken); }
.opt b { display: block; font-size: 13px; font-weight: 550; }
.opt span { font-size: 11.5px; color: var(--fg-faint); font-family: var(--mono); }

.field { display: flex; gap: 8px; margin-bottom: 10px; }
.field input {
  flex: 1; height: 36px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-soft);
  font-size: 14px; min-width: 0;
}
.field input:focus { outline: none; border-color: var(--accent); background: var(--bg); }

.mini-list { display: flex; flex-direction: column; gap: 4px; }
.mini-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 8px; border-radius: var(--radius-sm); font-size: 13.5px;
}
.mini-item:hover { background: var(--bg-sunken); }
.mini-item .site-icon { width: 24px; height: 24px; border-radius: 6px; font-size: 11px; }
.mini-item-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-item-url { font-size: 11.5px; color: var(--fg-faint); font-family: var(--mono); }
.mini-del {
  border: none; background: none; cursor: pointer; color: var(--fg-faint);
  font-size: 12px; padding: 2px 6px; border-radius: 5px;
}
.mini-del:hover { color: #dc2626; background: color-mix(in srgb, #dc2626 10%, transparent); }
.me-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.me-note { font-size: 12px; color: var(--fg-faint); margin-top: 14px; line-height: 1.6; }

/* ---------- toast ---------- */

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%);
  z-index: 95; padding: 10px 18px;
  background: var(--fg); color: var(--bg);
  border-radius: 999px; font-size: 13px; box-shadow: var(--shadow-md);
  animation: toast-in .2s ease;
}
.toast[hidden] { display: none; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

/* ---------- 页脚 ---------- */

.footer { border-top: 1px solid var(--line-soft); margin-top: 40px; }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 22px 24px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12px; color: var(--fg-faint);
}
.footer-meta { font-family: var(--mono); }

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .focus-card { grid-template-columns: 1fr; gap: 26px; padding: 26px; }
  .focus-visual { order: -1; aspect-ratio: 16 / 9; }
  .focus-letter { font-size: 92px; }
  .tl-step { grid-template-columns: 1fr; gap: 12px; }
  .hero { padding: 48px 0 4px; }
  .hero h1 { font-size: 32px; }
}

@media (max-width: 720px) {
  .topbar-inner { padding: 0 14px; gap: 8px; }
  .main { padding: 0 16px 60px; }
  .topnav { display: flex; gap: 0; margin-left: 0; }
  .topnav a { padding: 5px 7px; font-size: 13px; }
  .cmdk-trigger-label { display: none; }
  .cmdk-trigger { padding: 0 8px; }
  .brand-sub { display: none; }
  .brand { gap: 6px; }
  .section { margin-top: 46px; }
  .hero { padding: 36px 0 4px; }
  .hero h1 { font-size: 27px; }
  .hero p { font-size: 14.5px; }
  .hero-search input { height: 48px; font-size: 15px; }
  .site-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
  .site-card { padding: 11px; gap: 9px; }
  .site-icon { width: 30px; height: 30px; border-radius: 8px; font-size: 13px; }
  .site-name .site-host { display: none; }
  .flow-grid { grid-template-columns: 1fr; }
  .focus-title { font-size: 23px; }
  .focus-card { padding: 20px; }
  .cmdk-panel { margin: 6vh auto 0; }
  .me-grid { grid-template-columns: 1fr; }
  .graph-svg { height: 58vh; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}