/* ============================================================
   Aster 官网样式
   品牌 token 取自 Sources/Aster/DesignSystem.swift 与默认配置：
   纸张画布 #FCFCFB · 墨色 #202124 · 苔绿 #84A957 · 珊瑚 #EA6D49
   ============================================================ */

:root {
  --paper: #FCFCFB;
  --paper-alt: #F6F6F2;
  --card: #FFFFFF;
  --ink: #202124;
  --ink-2: #55555A;
  --ink-3: #6E6E73;
  --ink-4: #8E8E93;
  --faint: #A9A9AD;
  --hair: #E6E6E2;
  --hair-soft: #EFEFEA;
  --moss: #84A957;
  --moss-deep: #6B8F45;
  --moss-text: #3F5227;
  --moss-tint: #EFF4E7;
  --moss-line: #DCE8C8;
  --coral: #EA6D49;
  --blue: #4196DF;
  --dark: #202124;
  --dark-fg: #FCFCFB;

  /* Newsreader 与 JetBrains Mono 由 fonts.css 自托管加载；中文不发 webfont，
     直接吃系统的 PingFang SC / Songti SC——目标用户全是 macOS，一定装得有。
     "Noto Serif SC" 保留在回退链里：本机装了就用，没装也不会去网上拉。 */
  --font-body: -apple-system, "SF Pro Text", "PingFang SC", "Helvetica Neue", system-ui, sans-serif;
  --font-serif: "Newsreader", "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--moss-deep); text-decoration: none; }
a:hover { color: #56763A; }

.serif { font-family: var(--font-serif); }
.mono { font-family: var(--font-mono); }

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

/* ============ 顶部导航 ============ */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(252, 252, 251, 0.86);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid rgba(230, 230, 226, 0.6);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}

.brand img { width: 30px; height: 30px; display: block; }
.brand .brand-name { font-size: 18px; font-weight: 650; letter-spacing: -0.01em; }
.brand .brand-sub { display: flex; align-items: baseline; gap: 8px; font-size: 15px; }
.brand .brand-sub .sep { color: var(--faint); }
.brand .brand-sub .section { color: var(--ink-2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}

.nav-links a { color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 600; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 9px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.btn:active { transform: translateY(1px); }

.btn-moss {
  background: var(--moss);
  color: #FFFFFF;
  padding: 9px 18px;
  font-size: 13.5px;
}
.btn-moss:hover { background: #78A04A; color: #FFFFFF; }

.btn-ink {
  background: var(--dark);
  color: var(--dark-fg);
  padding: 14px 28px;
  font-size: 15px;
  border-radius: 10px;
}
.btn-ink:hover { background: #33343A; color: var(--dark-fg); }

.btn-ghost {
  background: var(--card);
  color: var(--ink);
  border: 1px solid #E0E0DC;
  padding: 13px 27px;
  font-size: 15px;
  border-radius: 10px;
}
.btn-ghost:hover { border-color: #C9C9C4; color: var(--ink); }

/* ============ 语言切换 ============ */

.lang-menu { position: relative; }

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  font-family: var(--font-body);
}
.lang-btn:hover { color: var(--ink); background: var(--paper-alt); }

.lang-list {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 132px;
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 10px;
  box-shadow: 0 12px 32px -10px rgba(32, 33, 36, 0.18), 0 2px 8px rgba(32, 33, 36, 0.05);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 60;
}
.lang-menu.open .lang-list { display: flex; }

.lang-list button {
  text-align: left;
  background: none;
  border: none;
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  font-family: var(--font-body);
}
.lang-list button:hover { background: var(--paper-alt); color: var(--ink); }
.lang-list button.on {
  background: var(--moss-tint);
  color: var(--moss-text);
  font-weight: 600;
}

/* ============ Hero ============ */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  padding: 96px 0 64px;
  text-align: center;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.16;
  font-weight: 550;
  letter-spacing: -0.015em;
  max-width: 980px;
}

.hero h1 em {
  font-style: italic;
  color: var(--moss);
}

.hero .lede {
  margin: 0;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 720px;
}

.hero-ctas { display: flex; align-items: center; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 8px; }

.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-4);
}
.hero-meta .v { color: var(--moss); }

/* ============ 终端 Mockup ============ */

.terminal-wrap {
  display: flex;
  justify-content: center;
  padding: 8px 0 40px;
}

.terminal {
  width: 100%;
  border: 1px solid var(--hair);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 0 24px 60px -24px rgba(32, 33, 36, 0.18), 0 4px 14px rgba(32, 33, 36, 0.05);
  overflow: hidden;
}

.titlebar {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  position: relative;
  border-bottom: 1px solid rgba(230, 230, 226, 0.5);
}

.lights { display: flex; gap: 8px; }
.lights span { width: 12px; height: 12px; border-radius: 6px; }
.lights .r { background: #FF5F57; }
.lights .y { background: #FEBC2E; }
.lights .g { background: #28C840; }

.title-capsule-row {
  position: absolute;
  left: 0; right: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.title-capsule {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  background: #F3F3EF;
  border-radius: 20px;
  padding: 4px 14px;
}

.terminal-body {
  display: flex;
  align-items: stretch;
  height: 560px;
}

.t-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--paper-alt);
  border-right: 1px solid rgba(224, 224, 220, 0.4);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.t-sidebar .t-head {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--faint);
  padding: 4px 10px 8px;
}

.t-tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 11px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--ink-2);
}

.t-tab .t-label { display: flex; align-items: center; gap: 8px; min-width: 0; }
.t-tab svg { flex-shrink: 0; }

.t-tab.selected {
  background: var(--card);
  border: 1px solid rgba(224, 224, 220, 0.7);
  padding: 8px 10px;
  font-weight: 600;
  color: var(--ink);
}

.spinner {
  width: 13px; height: 13px;
  animation: spin 1s linear infinite;
  transform-origin: center;
}

@keyframes spin { to { transform: rotate(360deg); } }

.t-pane {
  flex: 1 1 0;
  min-width: 0;
  padding: 22px 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  overflow: hidden;
}

.t-pane .dir { color: var(--blue); }
.t-pane .dim { color: var(--ink-4); }
.t-pane .ok { color: var(--moss); }
.t-pane .prompt { color: var(--coral); }
.t-pane .gap { height: 10px; }

.cursor {
  display: inline-block;
  width: 8px;
  height: 17px;
  background: var(--moss);
  margin-left: 2px;
  vertical-align: -3px;
  animation: blink 1.06s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.t-files {
  width: 320px;
  flex-shrink: 0;
  border-left: 1px solid rgba(224, 224, 220, 0.4);
  display: flex;
  flex-direction: column;
}

.t-files .f-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(230, 230, 226, 0.5);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
}

.t-files .f-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.t-files .f-title { font-family: var(--font-serif); font-size: 17px; font-weight: 600; }
.t-files .f-text { font-size: 12px; line-height: 1.7; color: var(--ink-2); }
.t-files .f-list { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--ink-2); }
.t-files .f-list div { display: flex; gap: 8px; }
.t-files .f-list span:first-child { color: var(--moss); }

/* ============ 数据带 ============ */

.stats { padding: 32px 0 72px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--hair);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 24px 0 24px;
  border-left: 1px solid var(--hair-soft);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat:last-child { padding-right: 0; }

.stat .num { font-family: var(--font-serif); font-size: 40px; font-weight: 550; }
.stat .cap { font-size: 13.5px; color: var(--ink-3); }

/* ============ 分区通用 ============ */

.section-head { display: flex; flex-direction: column; gap: 12px; }
.section-head.center { align-items: center; text-align: center; }
.section-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 550;
  letter-spacing: -0.01em;
}

/* ============ 安装三步 ============ */

.install { background: var(--paper-alt); padding: 72px 0; }
.install .container { display: flex; flex-direction: column; align-items: center; gap: 44px; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: 100%;
}

.card-item {
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-item .no { font-family: var(--font-mono); font-size: 13px; color: var(--moss); font-weight: 600; }
.card-item h3 { margin: 0; font-size: 16px; font-weight: 650; }
.card-item p { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--ink-3); }

/* ============ 动画演示：补全 / 主题 ============ */

.demos { padding: 96px 0 0; display: flex; flex-direction: column; gap: 48px; }

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.demo-card {
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: var(--card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.demo-head { padding: 24px 28px 20px; display: flex; flex-direction: column; gap: 8px; }
.demo-head h3 { margin: 0; font-size: 17px; font-weight: 650; }
.demo-head p { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--ink-3); }

.demo-term {
  flex: 1 1 auto;
  min-height: 320px;
  border-top: 1px solid var(--hair-soft);
  background: var(--paper);
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  overflow: hidden;
  position: relative;
}

/* —— 补全弹层（贴近产品里的候选卡片） —— */

.ac-pop {
  margin: 6px 0 4px 18px;
  width: min(360px, calc(100% - 24px));
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 9px;
  box-shadow: 0 10px 28px -8px rgba(32, 33, 36, 0.16), 0 2px 8px rgba(32, 33, 36, 0.05);
  overflow: hidden;
  animation: ac-in 0.14s ease-out;
}

@keyframes ac-in {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

.ac-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 12px;
  font-size: 12px;
  line-height: 1.5;
}
.ac-row svg { flex-shrink: 0; align-self: center; }
.ac-row .ac-name { font-weight: 600; color: var(--ink); white-space: nowrap; }
.ac-row .ac-name b { color: var(--moss-deep); font-weight: 700; }
.ac-row .ac-desc {
  font-family: var(--font-body);
  color: var(--ink-4);
  font-size: 11.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ac-row.sel { background: var(--moss-tint); }
.ac-row.sel .ac-desc { color: var(--ink-3); }

.ac-hint {
  border-top: 1px solid var(--hair-soft);
  padding: 5px 12px;
  font-family: var(--font-body);
  font-size: 10.5px;
  color: var(--faint);
  display: flex;
  gap: 12px;
}

.ghost { color: var(--faint); }

/* —— 主题切换演示 —— */

.theme-term {
  background: var(--t-bg, var(--paper));
  color: var(--t-fg, var(--ink));
  transition: background-color 0.45s ease, color 0.45s ease;
}
.theme-term .tt-dir { color: var(--t-blue); transition: color 0.45s ease; }
.theme-term .tt-dim { color: var(--t-dim); transition: color 0.45s ease; }
.theme-term .tt-red { color: var(--t-red); transition: color 0.45s ease; }
.theme-term .tt-green { color: var(--t-green); transition: color 0.45s ease; }
.theme-term .tt-yellow { color: var(--t-yellow); transition: color 0.45s ease; }
.theme-term .tt-blue { color: var(--t-blue); transition: color 0.45s ease; }
.theme-term .tt-accent { color: var(--t-accent); transition: color 0.45s ease; }
.theme-term .tt-ctx { margin-bottom: 2px; }
.theme-term .tt-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--t-green, var(--moss));
  margin-left: 8px;
  vertical-align: -3px;
  animation: blink 1.06s steps(1) infinite;
  transition: background-color 0.45s ease;
}

.theme-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--hair-soft);
}

.theme-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  background: var(--paper-alt);
  border: 1px solid var(--hair);
  border-radius: 20px;
  padding: 5px 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.theme-chip .dot {
  width: 9px;
  height: 9px;
  border-radius: 5px;
  border: 1px solid rgba(0, 0, 0, 0.12);
}
.theme-chip:hover { border-color: #C9C9C4; color: var(--ink); }
.theme-chip.on {
  background: var(--moss-tint);
  border-color: var(--moss-line);
  color: var(--moss-text);
  font-weight: 600;
}

@media (max-width: 960px) {
  .demo-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .theme-term .tt-cursor { animation: none; }
  .ac-pop { animation: none; }
}

/* ============ 功能编号卡 ============ */

.features { padding: 96px 0; display: flex; flex-direction: column; gap: 48px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.feature-grid .card-item { padding: 32px; gap: 14px; }
.feature-grid h3 { font-size: 18px; }
.feature-grid p { font-size: 14px; line-height: 1.75; color: var(--ink-2); }

/* ============ 对比传统终端 ============ */

.compare { padding: 0 0 96px; display: flex; flex-direction: column; gap: 40px; }

.compare-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 640px;
}

.compare-table {
  border: 1px solid var(--hair);
  border-radius: 12px;
  overflow: hidden;
  background: var(--card);
}

.compare-row {
  display: grid;
  grid-template-columns: 150px 1fr 1.25fr;
  border-top: 1px solid var(--hair-soft);
}
.compare-row:first-child { border-top: none; }

.compare-row .cell {
  padding: 16px 22px;
  font-size: 14px;
  line-height: 1.7;
}

.compare-row .dim-col {
  font-weight: 650;
  font-size: 13.5px;
  color: var(--ink);
}

.compare-row .trad { color: var(--ink-3); }

.compare-row .aster-col {
  background: rgba(132, 169, 87, 0.07);
  color: var(--ink);
}

.compare-row.head .cell {
  padding: 12px 22px;
  font-size: 12.5px;
  font-weight: 650;
  color: var(--ink-2);
  background: var(--paper-alt);
}
.compare-row.head .aster-col {
  background: rgba(132, 169, 87, 0.16);
  color: var(--moss-text);
}

.compare-row .ck {
  color: var(--moss);
  font-weight: 700;
  margin-right: 8px;
}

.cell-tag { display: none; }

@media (max-width: 960px) {
  .compare-row { grid-template-columns: 1fr; }
  .compare-row.head { display: none; }
  .compare-row .dim-col { padding-bottom: 0; }
  .compare-row .cell { padding: 10px 22px; }
  .compare-row .cell:last-child { padding-bottom: 18px; }
  .cell-tag {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.14em;
    color: var(--faint);
    margin-bottom: 3px;
  }
  .compare-row .aster-col .cell-tag { color: var(--moss-deep); }
}

/* ============ 底部 CTA ============ */

.cta {
  background: var(--dark);
  color: var(--dark-fg);
  padding: 88px 0;
  text-align: center;
}

.cta .container { display: flex; flex-direction: column; align-items: center; gap: 24px; }

.cta h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 550;
  letter-spacing: -0.01em;
}

.cta p { margin: 0; font-size: 16px; color: var(--faint); max-width: 560px; line-height: 1.7; }
.cta .row { display: flex; align-items: center; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 8px; }
.cta .meta { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-4); }
.cta .btn-moss { padding: 14px 28px; font-size: 15px; border-radius: 10px; }

/* ============ Footer ============ */

.footer { padding: 56px 0 48px; }

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 320px; }
.footer-brand .row { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 24px; height: 24px; }
.footer-brand .name { font-size: 15px; font-weight: 650; }
.footer-brand p { margin: 0; font-size: 13px; line-height: 1.7; color: var(--ink-4); }

.footer-cols { display: flex; gap: 80px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; font-size: 13.5px; }
.footer-col .col-head { font-weight: 650; color: var(--ink); }
.footer-col a { color: var(--ink-3); }
.footer-col a:hover { color: var(--ink); }

.footer-bottom {
  border-top: 1px solid var(--hair-soft);
  margin-top: 40px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12.5px;
  color: var(--faint);
}

/* ============ Docs 子站 ============ */

.docs-nav-inner { padding: 13px 0; }
.docs-nav-inner .brand img { width: 26px; height: 26px; }

.docs-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #F3F3EF;
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 8px 14px;
  width: min(320px, 100%);
  color: var(--ink-4);
  font-size: 13px;
}
.docs-search .grow { flex: 1 1 0; text-align: left; }
.docs-search kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  border: 1px solid #E0E0DC;
  border-radius: 5px;
  padding: 1px 6px;
  background: var(--card);
}

.docs-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 220px;
  gap: 0;
  width: min(1440px, 100%);
  margin: 0 auto;
  align-items: start;
}

.docs-sidebar {
  border-right: 1px solid #EDEDE9;
  background: #FAFAF7;
  padding: 32px 20px 64px 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 57px;
  height: calc(100vh - 57px);
  overflow-y: auto;
}

.docs-group { display: flex; flex-direction: column; gap: 2px; }
.docs-group .g-head {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--faint);
  padding: 0 12px 8px;
}
.docs-group a {
  font-size: 13.5px;
  color: var(--ink-2);
  padding: 7px 12px;
  border-radius: 7px;
  display: block;
}
.docs-group a:hover { background: rgba(0, 0, 0, 0.035); color: var(--ink); }
.docs-group a.active {
  color: var(--moss-text);
  font-weight: 600;
  background: var(--moss-tint);
}

.docs-main {
  padding: 44px 64px 96px;
  max-width: 780px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-4); }
.breadcrumb .here { color: var(--ink-2); }

.docs-main h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 550;
  letter-spacing: -0.01em;
}

.docs-main .lede { margin: 0; font-size: 16px; line-height: 1.8; color: var(--ink-2); }

.docs-main h2 {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
}

.docs-main p { margin: 0; font-size: 14.5px; line-height: 1.85; color: #3C3C41; }

.doc-section { display: flex; flex-direction: column; gap: 16px; }

.step-list { display: flex; flex-direction: column; gap: 12px; font-size: 14.5px; line-height: 1.8; color: #3C3C41; }
.step-list > div { display: flex; gap: 14px; }
.step-list .n { font-family: var(--font-mono); color: var(--moss); font-weight: 600; }

kbd.key {
  font-family: var(--font-mono);
  background: #F3F3EF;
  border: 1px solid var(--hair);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: 12.5px;
}

.callout {
  display: flex;
  gap: 14px;
  background: var(--moss-tint);
  border: 1px solid var(--moss-line);
  border-radius: 10px;
  padding: 16px 20px;
}
.callout svg { flex-shrink: 0; margin-top: 2px; }
.callout p { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--moss-text); }

.doc-table { border: 1px solid var(--hair); border-radius: 10px; overflow: hidden; }
.doc-table .row {
  display: grid;
  grid-template-columns: 1fr 160px;
  padding: 11px 20px;
  font-size: 13.5px;
  border-top: 1px solid var(--hair-soft);
}
.doc-table .row.head {
  background: var(--paper-alt);
  padding: 10px 20px;
  font-size: 12.5px;
  font-weight: 650;
  color: var(--ink-2);
  border-top: none;
}
.doc-table .row .k { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-2); }

.codeblock {
  font-family: var(--font-mono);
  background: var(--dark);
  color: #E8E8E6;
  border-radius: 10px;
  padding: 18px 22px;
  font-size: 13px;
  line-height: 1.9;
  overflow-x: auto;
}
.codeblock .c { color: var(--ink-4); }
.codeblock .p { color: var(--coral); }
.codeblock .s { color: #9FD37F; }

.doc-pager {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--hair-soft);
  padding-top: 24px;
  margin-top: 8px;
}
.doc-pager .cell { display: flex; flex-direction: column; gap: 4px; }
.doc-pager .cell.next { text-align: right; }
.doc-pager .dir-label { font-size: 12px; color: var(--ink-4); }
.doc-pager a { font-size: 14px; font-weight: 600; }

.docs-toc {
  position: sticky;
  top: 57px;
  padding: 44px 24px 44px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.docs-toc .g-head {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--faint);
}
.docs-toc .toc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  border-left: 1px solid #EDEDE9;
}
.docs-toc a { padding-left: 14px; color: var(--ink-3); display: block; }
.docs-toc a:hover { color: var(--ink); }
.docs-toc a.active {
  color: var(--moss-text);
  font-weight: 600;
  border-left: 2px solid var(--moss);
  margin-left: -1.5px;
}

/* ============ 响应式 ============ */

@media (max-width: 1160px) {
  .docs-shell { grid-template-columns: 260px minmax(0, 1fr); }
  .docs-toc { display: none; }
  .docs-main { padding: 40px 40px 80px; }
}

@media (max-width: 960px) {
  .t-files { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 8px; }
  .stat { padding: 24px 0 0 0; border-left: none; }
  .footer-cols { gap: 48px; }
  .docs-shell { grid-template-columns: minmax(0, 1fr); }
  .docs-sidebar { display: none; }
  .docs-main { padding: 32px 24px 64px; }
}

@media (max-width: 720px) {
  .nav-links a:not(.keep) { display: none; }
  .hero { padding: 64px 0 40px; }
  .t-sidebar { display: none; }
  .terminal-body { height: 420px; }
  .doc-table .row { grid-template-columns: 1fr 110px; }
}

/* 减少动态效果时给出静态终端内容 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; }
  .spinner { animation: none; }
}