/* ============================================================
   深度GIT开源 · git.sd.cn
   视觉系统：编辑型（Editorial）
   - 纸感底 + 墨色文字 + 单一朱砂强调色
   - 发丝线分隔取代卡片阴影，等宽字承担微标签
   - 圆角统一 2px，不使用渐变 / 玻璃拟态 / 悬浮位移
   ============================================================ */

:root {
  /* 底层 */
  --paper: #fbfaf7;
  --surface: #ffffff;
  --sunken: #f4f2ed;

  /* 墨阶 */
  --ink: #17161b;
  --ink-2: #5a5764;
  --ink-3: #8c8996;

  /* 线 */
  --rule: #e5e2da;
  --rule-2: #d3cfc5;

  /* 强调（朱砂） */
  --accent: #b33a1e;
  --accent-2: #8e2c14;
  --accent-wash: rgba(179, 58, 30, 0.07);

  /* 状态 */
  --ok: #2f6b4f;
  --ok-wash: rgba(47, 107, 79, 0.1);

  /* 度量 */
  --r: 2px;
  --maxw: 1240px;
  --prose: 720px;
  --header-h: 62px;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
    Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", "JetBrains Mono", Menlo,
    Consolas, "Liberation Mono", monospace;

  /* 兼容旧变量名 */
  --bg: var(--paper);
  --bg-subtle: var(--sunken);
  --bg-inset: var(--sunken);
  --border: var(--rule);
  --border-muted: var(--rule);
  --text: var(--ink);
  --text-muted: var(--ink-2);
  --text-faint: var(--ink-3);
  --accent-hover: var(--accent-2);
  --accent-subtle: var(--accent-wash);
  --header-bg: var(--paper);
  --header-border: var(--rule);
  --green: var(--ok);
  --green-subtle: var(--ok-wash);
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
}

[data-theme="dark"] {
  --paper: #0e0e11;
  --surface: #15151a;
  --sunken: #1c1c22;

  --ink: #edeae4;
  --ink-2: #a6a2ac;
  --ink-3: #77737f;

  --rule: #26262d;
  --rule-2: #35353e;

  --accent: #e2603c;
  --accent-2: #f07c5a;
  --accent-wash: rgba(226, 96, 60, 0.12);

  --ok: #5fa37f;
  --ok-wash: rgba(95, 163, 127, 0.14);
}

* { box-sizing: border-box; }
/* 组件用了 display:flex，会压过浏览器默认的 [hidden]，这里统一兜住 */
[hidden] { display: none !important; }
[hidden] { display: none !important; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 60px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "tnum" 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
button { font-family: inherit; }
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 1px;
}
::selection { background: var(--accent); color: #fff; }

.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { display: inline-block; vertical-align: -0.14em; flex-shrink: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 999;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  font-size: 13px;
}
.skip-link:focus { left: 12px; }

/* 等宽微标签 —— 全站通用的小标题形态 */
.eyebrow,
.footer-col h2,
.list-count,
.cat-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.18s;
}
.topbar.is-scrolled { border-bottom-color: var(--rule-2); }

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand:hover .brand-text { color: var(--accent); }
.brand-mark {
  display: block;
  flex-shrink: 0;
  border-radius: 3px;
}
.brand-mark.small { border-radius: 2px; }
.brand-text {
  display: inline-flex;
  align-items: baseline;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
  transition: color 0.15s;
}
.brand-text .bw-git {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 2px;
  transform: translateY(-1px);
}

.search { position: relative; flex: 1 1 auto; max-width: 320px; min-width: 0; }
.search .ico {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
}
.search input {
  width: 100%;
  height: 34px;
  padding: 0 36px 0 33px;
  border-radius: var(--r);
  border: 1px solid var(--rule-2);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}
.search input::placeholder { color: var(--ink-3); }
.search input:focus {
  outline: none;
  border-color: var(--ink-2);
  background: var(--surface);
}
.search kbd {
  position: absolute;
  right: 9px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 17px;
  padding: 0 5px;
  border-radius: var(--r);
  border: 1px solid var(--rule);
  background: var(--sunken);
  color: var(--ink-3);
  pointer-events: none;
}
.search input:focus + kbd { opacity: 0; }

.topnav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.topnav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  color: var(--ink-2);
  font-size: 13.5px;
  padding: 6px 9px;
  white-space: nowrap;
  transition: color 0.14s;
}
.topnav-link:hover { color: var(--ink); text-decoration: none; }
.topnav-link.is-active { color: var(--ink); font-weight: 500; }
.topnav-link.is-active::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
}
.topnav-cta {
  padding: 7px 14px;
  font-size: 12.5px;
  margin-left: 10px;
  flex: none;
}

.icon-btn {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: var(--r);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  margin-left: 6px;
  transition: background 0.14s, color 0.14s;
}
.icon-btn:hover { background: var(--sunken); color: var(--ink); }
[data-theme="light"] .ico-moon { display: none; }
[data-theme="dark"] .ico-sun { display: none; }

/* 分类条 */
.catbar { border-top: 1px solid var(--rule); background: var(--surface); }
.catbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.catbar-inner::-webkit-scrollbar { display: none; }
.catbar-inner a {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 10px 14px 10px 0;
  margin-right: 14px;
  font-size: 12.5px;
  color: var(--ink-2);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.14s, border-color 0.14s;
}
.catbar-inner a:hover {
  color: var(--ink);
  text-decoration: none;
  border-bottom-color: var(--rule-2);
}
.catbar-inner a span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

/* ---------------- Hero ---------------- */
.hero {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  padding: 60px 0 56px;
}
.hero-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 72px;
  align-items: start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
}
.hero-badge .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: none;
  animation: none;
}

.hero h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 20px 0 0;
  text-wrap: balance;
}
.h1-mark {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--accent);
  margin-left: 7px;
  vertical-align: 0.1em;
}
.hero-sub {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 56ch;
}

/* ---------------- 首页首屏：检索优先 ---------------- */
.hero-ai {
  padding: 68px 0 0;
  border-bottom: 0;
}
.hero-ai .hero-inner { max-width: 880px; }
.hero-ai h1 { font-size: clamp(31px, 4.1vw, 48px); }
.h1-kw {
  display: inline-block;
  border-bottom: 3px solid var(--accent);
  padding-bottom: 2px;
  white-space: nowrap;
}
.hero-ai .hero-sub { max-width: 64ch; }

/* 首屏大检索框：整站的主入口 */
.hero-search {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 34px 0 0;
  padding: 7px 7px 7px 15px;
  background: var(--surface);
  border: 1px solid var(--rule-2);
  border-radius: var(--r);
  transition: border-color 0.16s ease;
}
.hero-search:focus-within { border-color: var(--accent); }
.hero-search-ico { flex: none; color: var(--ink-3); transition: color 0.16s ease; }
.hero-search:focus-within .hero-search-ico { color: var(--accent); }
.hero-search input {
  flex: 1;
  min-width: 0;
  height: 42px;
  border: 0;
  background: none;
  font: inherit;
  font-size: 15.5px;
  color: var(--ink);
  outline: none;
}
.hero-search input::placeholder { color: var(--ink-3); }
.hero-search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.hero-search .btn-primary {
  flex: none;
  height: 42px;
  padding: 0 20px;
  font-size: 13.5px;
}

.hero-ex {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin: 14px 0 0;
}
.hero-ex-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  margin-right: 2px;
}
.hero-ex-link {
  font-size: 12.5px;
  color: var(--ink-2);
  padding: 3px 9px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  text-decoration: none;
  transition: color 0.14s ease, border-color 0.14s ease;
}
.hero-ex-link:hover { color: var(--accent); border-color: var(--accent); }

.hero-note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* 数据条：横向细线带 */
.hero-stats {
  margin-top: 44px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--sunken);
}
.hero-stats-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats dl { display: flex; flex-wrap: wrap; margin: 0; }
.hero-stats dl > div {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 13px 24px 13px 0;
  margin-right: 24px;
  border-right: 1px solid var(--rule-2);
}
.hero-stats dl > div:last-child { border-right: 0; margin-right: 0; }
.hero-stats dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero-stats dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.hero-stats-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
}

@media (max-width: 620px) {
  .hero-ai { padding-top: 44px; }
  .hero-search { margin-top: 26px; padding: 6px 6px 6px 12px; }
  .hero-search input { height: 40px; font-size: 15px; }
  .hero-search .btn-primary { height: 40px; padding: 0 14px; font-size: 13px; }
  .hero-stats { margin-top: 32px; }
  .hero-stats dl > div { padding: 10px 14px 10px 0; margin-right: 14px; }
  .hero-stats dd { font-size: 14px; }
  .hero-stats-note { padding-bottom: 12px; }
}

/* 右侧数据面板：杂志式事实栏 */
.hero-facts {
  border-top: 2px solid var(--ink);
  padding-top: 12px;
}
.facts-label {
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.facts { margin: 0; }
.facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.facts dt {
  font-size: 12.5px;
  color: var(--ink-2);
}
.facts dd {
  margin: 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

/* ---------------- 首页布局 ---------------- */
.wrap-home { max-width: var(--maxw); margin: 0 auto; padding: 0 28px 80px; }

.sec-title {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 4px;
}
.sec-sub {
  font-size: 13.5px;
  color: var(--ink-2);
  margin: 0 0 18px;
  max-width: 62ch;
}
.sec-head {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin: 56px 0 20px;
}
.sec-head .sec-title { margin: 0; white-space: nowrap; }
.sec-head::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--rule);
  order: 1;
}
.sec-head .more-link { order: 2; }
.sec-head .sec-sub {
  order: 3;
  flex: 0 0 100%;
  margin: 0 0 2px;
}
.sec-block { margin: 56px 0 20px; }
.sec-block .sec-head { margin: 0 0 10px; }
.sec-block .sec-sub { margin: 0; }

.section-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 56px 0 18px;
}
.section-head .sec-title { margin: 0; white-space: nowrap; }
.section-head::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--rule);
  order: 1;
}
.section-head .more-link { order: 2; }
.more-link {
  font-size: 12.5px;
  color: var(--ink-2);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.14s;
}
.more-link:hover { color: var(--accent); text-decoration: none; }

/* 分类索引（编号式，替代彩色圆点卡片） */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 0 0 8px;
}
.cat-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 4px;
  padding: 16px 16px 18px;
  background: var(--surface);
  transition: background 0.14s;
}
.cat-card:hover { text-decoration: none; background: var(--sunken); }
.cat-num {
  grid-row: 1;
  align-self: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  transition: color 0.14s;
}
.cat-card:hover .cat-num { color: var(--accent); }
.cat-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
  transition: color 0.14s;
}
.cat-card:hover .cat-card-name { color: var(--accent); }
.cat-card-sub {
  grid-column: 1 / -1;
  font-size: 11.5px;
  color: var(--ink-3);
  line-height: 1.6;
  margin-top: 2px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.cat-card-count {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-top: 6px;
}

.intro-block { margin-top: 68px; padding-top: 34px; border-top: 1px solid var(--rule); }
.intro-block h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
}
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
.intro-grid > div { padding-top: 14px; border-top: 1px solid var(--rule-2); }
.intro-grid h3 {
  font-size: 13.5px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}
.intro-grid p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-2);
}
.intro-more {
  margin: 30px 0 0;
  font-size: 13px;
  color: var(--ink-2);
}

/* ---------------- 内页通用 ---------------- */
.page { max-width: var(--maxw); margin: 0 auto; padding: 30px 28px 80px; }

.crumbs { margin-bottom: 20px; }
.crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.crumbs li { display: inline-flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: var(--rule-2); }
.crumbs a { color: var(--ink-2); }
.crumbs a:hover { color: var(--accent); text-decoration: none; }
.crumbs [aria-current] { color: var(--ink); }

.page-head {
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}
.page-head h1 {
  font-size: 30px;
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: -0.032em;
  margin: 0 0 12px;
}
.page-sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 68ch;
}

.toc-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 28px; }
.toc-chips a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--surface);
  transition: border-color 0.14s, color 0.14s;
}
.toc-chips a:hover {
  text-decoration: none;
  border-color: var(--ink-2);
  color: var(--ink);
}
.toc-chips a span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
}

/* 标签总览页 */
.tag-intro {
  margin: 0 0 34px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 70ch;
}
.tag-intro code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 5px;
  border-radius: var(--r);
  background: var(--sunken);
  border: 1px solid var(--rule);
  color: var(--ink);
}
.tag-section { margin-bottom: 38px; }
.tag-section h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.tag-section-n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}
.tag-section-note {
  margin: 0 0 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-3);
}
.tag-section .toc-chips { margin-bottom: 0; }
.tag-catlist {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  list-style: none;
  margin: 0;
  padding: 0;
}
.tag-catlist li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  font-size: 13px;
  background: var(--surface);
  transition: background 0.14s;
}
.tag-catlist li:hover { background: var(--sunken); }
.tag-catlist li a { color: var(--ink); }
.tag-catlist li a:hover { text-decoration: none; color: var(--accent); }
.tag-catlist li span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  white-space: nowrap;
}

.all-group { margin-bottom: 44px; scroll-margin-top: 130px; }
.all-group h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 4px;
}
.all-group h2 a { color: var(--ink); }
.all-group h2 a:hover { color: var(--accent); text-decoration: none; }
.all-group h2 span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}
.group-sub { margin: 0 0 14px; font-size: 12.5px; color: var(--ink-3); }

.related-cats { margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--rule); }
.related-cats h2 { font-size: 16px; font-weight: 600; margin: 0 0 16px; }

/* ---------------- 工具栏 ---------------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.toolbar-left { display: none; align-items: center; gap: 8px; min-width: 0; width: 100%; }
.chip-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  min-width: 0;
  max-width: 100%;
  padding-bottom: 2px;
  scrollbar-width: none;
}
.chip-scroll::-webkit-scrollbar { display: none; }

.chip {
  border: 1px solid var(--rule-2);
  background: transparent;
  color: var(--ink-2);
  font-size: 12.5px;
  padding: 5px 11px;
  border-radius: var(--r);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.chip:hover { background: var(--sunken); color: var(--ink); border-color: var(--ink-3); }
.chip.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.toolbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-left: auto; }

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 12.5px;
  color: var(--ink-2);
}
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track {
  width: 32px;
  height: 18px;
  border-radius: 999px;
  background: var(--sunken);
  border: 1px solid var(--rule-2);
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}
.switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-3);
  transition: transform 0.15s, background 0.15s;
}
.switch input:checked + .switch-track { background: var(--ink); border-color: var(--ink); }
.switch input:checked + .switch-track .switch-thumb { transform: translateX(14px); background: var(--paper); }

.select-wrap { position: relative; display: inline-flex; }
.select-wrap select {
  appearance: none;
  height: 30px;
  padding: 0 26px 0 10px;
  border: 1px solid var(--rule-2);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink);
  font-size: 12.5px;
  font-family: inherit;
  cursor: pointer;
}
.select-wrap select:hover { border-color: var(--ink-3); }
.select-wrap select:focus { outline: none; border-color: var(--ink-2); }
.sel-ico {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
}

.list-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 4px 0 16px;
}
.list-head h2 { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.list-count { font-variant-numeric: tabular-nums; }

/* ---------------- 项目卡片 ---------------- */
.repo-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(356px, 1fr));
  gap: 14px;
}

.repo-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px 16px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--surface);
  transition: border-color 0.15s;
}
.repo-card:hover { border-color: var(--rule-2); }

.repo-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.repo-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  word-break: break-word;
  letter-spacing: -0.008em;
}
.repo-title a { color: var(--ink); }
.repo-title a:hover { color: var(--accent); text-decoration: none; }
.repo-title .owner {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0;
}

.gh-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 2px 6px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  white-space: nowrap;
  transition: color 0.14s, border-color 0.14s;
}
.gh-link:hover {
  text-decoration: none;
  color: var(--ink);
  border-color: var(--ink-3);
}
.gh-icon {
  margin-left: auto;
  padding: 3px 5px;
  align-self: center;
}

.badge {
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 15px;
  letter-spacing: 0.08em;
  padding: 0 5px;
  border-radius: var(--r);
  border: 1px solid var(--rule-2);
  color: var(--ink-3);
  white-space: nowrap;
  text-transform: uppercase;
}
.badge-featured {
  border-color: var(--accent);
  background: transparent;
  color: var(--accent);
  font-weight: 600;
}
.badge-link {
  color: var(--accent);
  border-color: var(--accent);
  background: transparent;
}
.badge-link:hover { text-decoration: none; }

.repo-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--ink-2);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-topics { display: flex; flex-wrap: wrap; gap: 10px; }
.topic {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--ink-3);
  background: none;
  border-radius: 0;
  padding: 0;
  white-space: nowrap;
  transition: color 0.14s;
}
.topic::before { content: "#"; opacity: 0.55; margin-right: 1px; }
.topic:hover { text-decoration: none; color: var(--accent); }

.repo-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--ink-3);
  margin-top: 2px;
  padding-top: 11px;
  border-top: 1px solid var(--rule);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.meta-item svg { color: var(--ink-3); flex-shrink: 0; opacity: 0.8; }
.meta-item b { font-weight: 500; color: var(--ink-2); }
.lang-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-3);
  flex-shrink: 0;
  opacity: 0.85;
}
.cat-tag {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--ink-3);
  border-left: 1px solid var(--rule);
  padding-left: 12px;
}
.cat-tag:hover { color: var(--accent); text-decoration: none; }
.repo-meta .gh-link { margin-left: 0; }
.repo-meta:not(:has(.cat-tag)) .gh-link { margin-left: auto; }

.empty { text-align: center; padding: 70px 20px; color: var(--ink-3); }
.empty p { margin: 0 0 6px; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.empty span { font-size: 12.5px; }
.empty .empty-ai {
  margin: 18px 0 0;
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-2);
}
.empty .empty-ai a { color: var(--accent); }

.more-wrap { text-align: center; margin-top: 32px; }

/* ---------------- 按钮系统 ---------------- */
.btn-more {
  padding: 9px 26px;
  border: 1px solid var(--rule-2);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.14s, border-color 0.14s;
}
.btn-more:hover { background: var(--sunken); border-color: var(--ink-3); }

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--r);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.005em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.14s, border-color 0.14s, color 0.14s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
  text-decoration: none;
}
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  background: transparent;
  border-color: var(--rule-2);
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--sunken);
  border-color: var(--ink-3);
  text-decoration: none;
}
.btn-ghost:active { transform: translateY(1px); }

/* ---------------- 紧凑列表（全部项目页） ---------------- */
.row-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 11px 4px;
  border-bottom: 1px solid var(--rule);
  transition: background 0.12s;
}
.row:hover { background: var(--sunken); }
.row-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.row-main:hover { text-decoration: none; }
.row-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
  letter-spacing: -0.005em;
}
.row-name .owner {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  color: var(--ink-3);
}
.row:hover .row-name { color: var(--accent); }
.row-desc {
  font-size: 12.5px;
  color: var(--ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.row-side {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--ink-3);
}
.row-lang { display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.row-stat { display: inline-flex; align-items: center; gap: 4px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.row-stat svg { color: var(--ink-3); opacity: 0.8; }

/* ---------------- 项目详情 ---------------- */
.page-repo { max-width: 1060px; }
.repo-detail-head {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 30px;
}
.repo-detail-head h1 {
  font-size: 31px;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0 0 12px;
  word-break: break-word;
  line-height: 1.2;
}
.repo-detail-head h1 .owner {
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: -0.032em;
}
.repo-detail-head h1 .sep {
  color: var(--rule-2);
  font-weight: 400;
  margin: 0 3px;
}
.repo-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}
.repo-detail-lead {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 24px;
  max-width: 66ch;
}

.repo-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.repo-spec { margin-bottom: 36px; }
.repo-spec h2 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin: 0 0 12px;
}
.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 0;
}
.spec-row { background: var(--surface); padding: 13px 16px 15px; }
.spec-row dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 5px;
}
.spec-row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  letter-spacing: -0.01em;
}

.prose { max-width: var(--prose); }
.prose h2 {
  font-size: 17px;
  font-weight: 600;
  margin: 34px 0 12px;
  letter-spacing: -0.012em;
}
.prose p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
}
.prose strong { color: var(--ink); font-weight: 600; }
.prose .repo-topics { margin: 16px 0 4px; gap: 12px; }

.related { margin-top: 52px; padding-top: 30px; border-top: 1px solid var(--rule); }
.related h2 { font-size: 16px; font-weight: 600; margin: 0 0 18px; }

/* ---------------- 文章 / 指南 ---------------- */
.page-article { max-width: 860px; }
.article { max-width: var(--prose); }
.article h1 {
  font-size: 33px;
  line-height: 1.24;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 8px 0 14px;
}
.article-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin: 0 0 26px;
}
.article-lead {
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  margin: 0 0 32px;
  padding: 2px 0 2px 20px;
  background: none;
  border-left: 2px solid var(--accent);
  border-radius: 0;
}
.article h2 {
  font-size: 21px;
  font-weight: 600;
  margin: 42px 0 14px;
  letter-spacing: -0.018em;
}
.article h3 { font-size: 15.5px; font-weight: 600; margin: 26px 0 9px; }
.article p {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-2);
  margin: 0 0 16px;
}
.article ul, .article ol { margin: 0 0 18px; padding-left: 20px; }
.article li {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.article strong { color: var(--ink); font-weight: 600; }
.article a { text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
.article a:hover { color: var(--accent-2); }
.article code {
  background: var(--sunken);
  padding: 1px 5px;
  border-radius: var(--r);
  color: var(--ink);
  border: 1px solid var(--rule);
}
.article-foot {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 24px;
  border: 1px solid var(--rule);
}
.lic-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 620px; }
.lic-table th, .lic-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.lic-table thead th {
  background: var(--sunken);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  white-space: nowrap;
}
.lic-table tbody th { font-weight: 600; color: var(--ink); white-space: nowrap; }
.lic-table tbody td { color: var(--ink-2); line-height: 1.7; }
.lic-table tr:last-child th, .lic-table tr:last-child td { border-bottom: none; }

/* ---------------- 404 ---------------- */
.notfound { text-align: center; padding: 90px 20px 110px; }
.notfound .nf-code {
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 700;
  color: var(--rule-2);
  margin: 0;
  letter-spacing: -0.06em;
  line-height: 1;
}
.notfound h1 { font-size: 25px; margin: 18px 0 12px; letter-spacing: -0.025em; }
.notfound p { color: var(--ink-2); font-size: 14px; margin: 0 0 8px; }
.nf-actions { display: flex; gap: 10px; justify-content: center; margin: 28px 0 18px; flex-wrap: wrap; }
.notfound .nf-tip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin: 0;
}

/* ---------------- 页脚 ---------------- */
.footer { background: var(--paper); border-top: 1px solid var(--rule); }
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px 28px 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.footer-col h2 { margin: 0 0 14px; }
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
}
.footer-col li a { font-size: 12.5px; color: var(--ink-2); }
.footer-col li a:hover { color: var(--accent); text-decoration: none; }
.footer-brand { display: flex; align-items: flex-start; gap: 11px; }
.footer-brand strong { font-size: 13.5px; letter-spacing: -0.01em; }
.footer-brand p {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.75;
  max-width: 34ch;
}
.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 28px 34px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
}

/* ---------------- 来源标记：甄选 / 社区 ---------------- */
.badge-curated {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  font-weight: 600;
}
.badge-community {
  border: 1px dashed var(--rule-2);
  color: var(--ink-3);
  background: transparent;
}
.src-curated { border-left: 2px solid var(--accent); }
.src-community { border-left: 2px dashed var(--rule-2); }

/* ---------------- Tab 切换 ---------------- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--rule);
  margin: 30px 0 0;
}
.tabs button {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 11px 0 10px;
  margin-right: 28px;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--ink-2);
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  transition: color 0.14s, border-color 0.14s;
}
.tabs button:hover { color: var(--ink); }
.tabs button.is-on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 500; }
.tabs button span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

/* ---------------- 推荐榜 ---------------- */
.board-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
.board-legend b { font-weight: 500; color: var(--ink-2); }

.board { list-style: none; margin: 22px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.board-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 15px 4px 15px 14px;
  border-bottom: 1px solid var(--rule);
  transition: background 0.12s;
}
.board-row:hover { background: var(--sunken); }
.board-rank {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  width: 30px;
  flex: none;
  font-variant-numeric: tabular-nums;
}
.board-row.is-top .board-rank { color: var(--accent); font-weight: 600; }
.board-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.board-main:hover { text-decoration: none; }
.board-name {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.008em;
}
.board-name .owner {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  color: var(--ink-3);
}
.board-row:hover .board-name { color: var(--accent); }
.board-desc {
  font-size: 12.5px;
  color: var(--ink-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 10px;
}
.board-side {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--ink-3);
}
/* 语言名与统计列给固定宽度，避免长语言名把星标/Fork 挤得参差不齐 */
.board-lang { min-width: 74px; text-align: right; }
.board-stat {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  min-width: 58px;
  font-variant-numeric: tabular-nums;
}
.board-score {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  width: 52px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.board-empty { padding: 60px 20px; text-align: center; color: var(--ink-3); font-size: 13px; }

/* ---------------- 提交页 ---------------- */
.step { margin: 0 0 40px; }
.step-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 2px 6px;
  flex: none;
}
.step-head h2 { font-size: 17px; font-weight: 600; margin: 0; letter-spacing: -0.012em; }
.step-note {
  margin: -6px 0 14px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-3);
  max-width: 70ch;
}

.paste {
  display: block;
  width: 100%;
  min-height: 176px;
  padding: 15px 16px;
  border: 1px solid var(--rule-2);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  resize: vertical;
  transition: border-color 0.15s;
}
.paste::placeholder { color: var(--ink-3); }
.paste:focus { outline: none; border-color: var(--ink-2); }

.paste-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.paste-hint {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

.found {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0;
  min-height: 26px;
}
.found-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
}
.found-chip .n {
  font-size: 10px;
  color: var(--ink-3);
}
.found-chip.is-dup { opacity: 0.55; text-decoration: line-through; }
.found-empty {
  font-size: 12.5px;
  color: var(--ink-3);
}

.jobs { list-style: none; margin: 4px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.job {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
}
.job-name { font-family: var(--font-mono); font-size: 12px; color: var(--ink); flex: none; }
.job-state {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.job-state .d { width: 5px; height: 5px; border-radius: 50%; background: var(--rule-2); }
.job.is-run .job-state { color: var(--accent); }
.job.is-run .job-state .d { background: var(--accent); animation: blink 1s steps(2) infinite; }
.job.is-done .job-state .d { background: var(--ok); }
.job.is-fail .job-state { color: var(--accent); }
.job.is-fail .job-state .d { background: var(--accent); }
@keyframes blink { 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .job.is-run .job-state .d { animation: none; } }

.draft-list { display: grid; gap: 14px; margin-top: 6px; }
.draft {
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--surface);
  padding: 16px 18px 14px;
}
.draft-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.draft-name { font-size: 14.5px; font-weight: 600; letter-spacing: -0.008em; }
.draft-name .owner { font-family: var(--font-mono); font-size: 11.5px; font-weight: 400; color: var(--ink-3); }
.draft-del {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  padding: 2px 0;
}
.draft-del:hover { color: var(--accent); }
.draft textarea {
  display: block;
  width: 100%;
  min-height: 84px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.75;
  resize: vertical;
}
.draft textarea:focus { outline: none; border-color: var(--ink-2); background: var(--surface); }
.draft-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.draft-foot select {
  appearance: none;
  height: 26px;
  padding: 0 22px 0 8px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  cursor: pointer;
}

.publish-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
.publish-bar input[type="text"] {
  height: 34px;
  padding: 0 11px;
  border: 1px solid var(--rule-2);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-size: 12.5px;
  width: 180px;
}
.publish-bar input[type="text"]:focus { outline: none; border-color: var(--ink-2); }
.btn-primary[disabled],
.btn-ghost[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.notice {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--ink-3);
  background: var(--sunken);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-2);
  margin: 0 0 22px;
}
.notice strong { color: var(--ink); font-weight: 600; }
.notice.is-warn { border-left-color: var(--accent); }
.notice.is-ok { border-left-color: var(--ok); }

.result-box {
  border: 1px solid var(--rule);
  border-left: 2px solid var(--ok);
  padding: 16px 18px;
  background: var(--surface);
  margin-top: 6px;
}
.result-box h3 { margin: 0 0 8px; font-size: 14.5px; font-weight: 600; }
.result-box ul { margin: 0; padding-left: 18px; }
.result-box li { font-size: 13px; line-height: 1.9; color: var(--ink-2); }

/* ---------------- AI 检索 ---------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.page-ai { max-width: 1000px; }

.ai-form {
  border: 1px solid var(--rule-2);
  background: var(--surface);
  padding: 4px 4px 10px;
  margin: 0 0 18px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ai-form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-wash);
}
.ai-form textarea {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  resize: vertical;
  min-height: 62px;
  padding: 14px 16px 8px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}
.ai-form textarea::placeholder { color: var(--ink-3); }
.ai-form-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 0 12px 0 16px;
  flex-wrap: wrap;
}
/* 示例词换行时，按钮自动落到下一行并靠右，而不是贴在左边 */
.ai-form-foot .btn-primary { margin-left: auto; }
.ai-examples {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1 1 auto;
  min-width: 0;
}
.ex-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-right: 2px;
}
.ex-chip {
  font: inherit;
  font-size: 12px;
  line-height: 1;
  padding: 6px 10px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.ex-chip:hover { border-color: var(--rule-2); color: var(--ink); background: var(--sunken); }
.ex-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.ai-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--ink-3);
  background: var(--sunken);
  font-size: 13px;
  color: var(--ink-2);
  margin: 0 0 18px;
}
.ai-status.is-warn { border-left-color: var(--accent); color: var(--ink); }
/* 被检索闸门挡下：用墨色而非朱砂，和「网络出错」区分开 */
.ai-status.is-block {
  border-left-color: var(--ink);
  background: var(--surface);
  color: var(--ink);
  align-items: flex-start;
  line-height: 1.7;
}
.ai-dots { display: inline-flex; gap: 4px; }
.ai-dots i {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  animation: aiDot 1s infinite ease-in-out;
}
.ai-dots i:nth-child(2) { animation-delay: 0.15s; }
.ai-dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes aiDot {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.ai-answer {
  border: 1px solid var(--rule);
  border-left: 2px solid var(--accent);
  background: var(--surface);
  padding: 16px 18px;
  margin: 0 0 22px;
}
.ai-answer-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.ai-answer p { margin: 0; font-size: 14.5px; line-height: 1.75; color: var(--ink); }

.ai-hits { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.ai-hit {
  display: flex;
  gap: 16px;
  padding: 16px 4px 16px 0;
  border-bottom: 1px solid var(--rule);
}
.ai-rank {
  flex: none;
  width: 26px;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.ai-hit-body { min-width: 0; flex: 1 1 auto; }
.ai-hit-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.ai-hit-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.008em;
}
.ai-hit-name .owner { color: var(--ink-3); font-weight: 400; }
.ai-hit-name:hover { color: var(--accent); text-decoration: none; }
.ai-hit-desc { margin: 0 0 6px; font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.ai-hit-why {
  margin: 0 0 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-2);
  padding-left: 10px;
  border-left: 2px solid var(--rule-2);
}
.ai-hit-why span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-right: 8px;
}
.ai-hit-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--ink-3);
}
.ai-foot {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
}
.ai-empty { padding: 34px 4px; }
.ai-empty p { margin: 0 0 8px; font-size: 14px; color: var(--ink); }
.ai-empty-hint { font-size: 13px !important; line-height: 1.8; color: var(--ink-2) !important; }

/* ---------------- 检索边界：这是检索器，不是聊天工具 ---------------- */
.guard {
  margin: 44px 0 0;
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}
.guard-head h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
.guard-head p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 68ch;
}
.guard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 20px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.guard-col { background: var(--paper); padding: 18px 20px 16px; }
.guard-col h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
}
.guard-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 1px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
}
.guard-yes .guard-mark { color: var(--ok); }
.guard-no .guard-mark { color: var(--accent); }
.guard-col ul { margin: 0; padding: 0; list-style: none; }
.guard-col li {
  position: relative;
  padding: 5px 0 5px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
}
.guard-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 5px;
  height: 1px;
  background: var(--rule-2);
}
.guard-no li { color: var(--ink-3); }
.guard-foot {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--ink-3);
}
@media (max-width: 700px) {
  .guard-grid { grid-template-columns: 1fr; }
  .guard { margin-top: 32px; }
}

.ai-flow {
  margin: 44px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--rule);
}
.ai-flow h2 { font-size: 17px; font-weight: 600; margin: 0 0 14px; letter-spacing: -0.01em; }
.ai-flow ol { margin: 0; padding-left: 20px; }
.ai-flow li { font-size: 13.5px; line-height: 1.85; color: var(--ink-2); margin-bottom: 10px; }
.ai-flow li strong { color: var(--ink); font-weight: 600; }
.ai-flow-note { margin: 14px 0 0; font-size: 12.5px; line-height: 1.8; color: var(--ink-3); }

.ai-presets { margin: 46px 0 0; }
.ai-presets h2 { font-size: 19px; font-weight: 600; margin: 0 0 8px; letter-spacing: -0.015em; }
.ai-presets-sub { margin: 0 0 8px; font-size: 13px; line-height: 1.8; color: var(--ink-2); max-width: 68ch; }
.preset { padding: 26px 0 0; margin-top: 22px; border-top: 1px solid var(--rule); }
.preset-head { display: flex; align-items: baseline; gap: 10px; }
.preset-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.preset-head h3 { margin: 0; font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; }
.preset-q {
  margin: 6px 0 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1180px) {
  .repo-list { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
  .cat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 1040px) {
  .toolbar-left { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-facts { max-width: 520px; }
  .cat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .intro-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  :root { --header-h: 56px; }
  .topbar-inner { padding: 0 16px; gap: 12px; }
  .brand-text { display: none; }
  .search { max-width: none; flex: 1 1 0%; }
  .search kbd { display: none; }
  .search input { padding-right: 12px; height: 32px; }
  .topnav-link { padding: 6px 7px; font-size: 12.5px; }
  .topnav-link:not(.topnav-gh):not(.is-active) { display: none; }
  .topnav-gh span { display: none; }
  .topnav-cta { padding: 6px 11px; font-size: 12px; margin-left: 4px; }
  .catbar-inner { padding: 0 16px; }
  .catbar-inner a { padding: 9px 10px 9px 0; margin-right: 10px; font-size: 12px; }

  .hero { padding: 36px 0 34px; }
  .hero-inner { padding: 0 16px; }
  .hero-grid { gap: 30px; }
  .hero h1 { font-size: 31px; letter-spacing: -0.032em; margin-top: 16px; max-width: none; }
  .hero-sub { font-size: 13.5px; margin-top: 18px; }
  .facts dd { font-size: 18px; }
  .facts > div { padding: 9px 0; }

  .wrap-home, .page { padding: 22px 16px 56px; }
  .sec-head, .section-head { margin: 40px 0 16px; }
  .sec-title { font-size: 17px; }
  .cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .repo-list { grid-template-columns: minmax(0, 1fr); }
  .repo-card { padding: 16px; }
  .row { padding: 11px 2px; gap: 12px; }
  .row-lang, .row-stat { display: none; }
  .row-desc { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .cat-tag { display: none; }
  .toolbar-right { width: 100%; margin-left: 0; }
  .select-wrap { flex: 1; }
  .select-wrap select { width: 100%; }

  .page-head h1 { font-size: 23px; }
  .page-sub { font-size: 13.5px; }
  .repo-detail-head h1 { font-size: 23px; }
  .repo-detail-lead { font-size: 14.5px; }
  .article h1 { font-size: 25px; }
  .article h2 { font-size: 18px; }
  .article p, .article li { font-size: 14px; }
  .article-lead { font-size: 14px; padding-left: 16px; }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer-inner { grid-template-columns: 1fr; gap: 28px; padding: 32px 16px 22px; }
  .footer-bottom { padding: 14px 16px 28px; }

  .board-row { gap: 12px; padding: 13px 2px 13px 10px; align-items: flex-start; }
  .board-rank { width: 22px; font-size: 11px; padding-top: 2px; }
  .board-side { padding-top: 2px; }
  .board-desc { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .board-side .board-lang { display: none; }
  .board-score { width: 42px; font-size: 13px; }
  .board-legend { gap: 12px; font-size: 10px; }

  .tabs button { margin-right: 20px; font-size: 13px; }
  .step-head h2 { font-size: 15.5px; }

  .ai-form textarea { font-size: 15px; padding: 12px 12px 6px; }
  .ai-form-foot { padding: 0 8px 0 12px; gap: 10px; }
  .ai-form-foot .btn-primary { width: 100%; }
  .ex-chip { font-size: 11.5px; padding: 5px 8px; }
  .ai-hit { gap: 10px; padding: 14px 0; }
  .ai-rank { width: 20px; font-size: 11px; }
  .ai-hit-name { font-size: 14px; }
  .ai-presets h2 { font-size: 17px; }
  .preset-head h3 { font-size: 14.5px; }
  .draft { padding: 14px; }
  .publish-bar input[type="text"] { width: 100%; }
  .publish-bar .btn-primary { flex: 1; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--rule-2); border: 3px solid var(--paper); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }