/* ============================================================
   Awesome Index · 设计系统
   方向：Riso 孔版印刷 × 数据档案（见 design/DESIGN.md）
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --paper: #f0f1ec;
  --paper-raised: #fbfbf7;
  --ink: #171a21;
  --ink-dim: rgba(23, 26, 33, 0.62);
  --ink-faint: rgba(23, 26, 33, 0.14);
  --riso-blue: #2436e8;
  --riso-blue-soft: rgba(36, 54, 232, 0.14);
  --riso-coral: #ff4d2e;
  --panel: #10131a;
  --panel-raised: #1a1f29;
  --paper-on-panel: #e9ebe4;
  --dim-on-panel: rgba(233, 235, 228, 0.6);
  --ok: #2f9e63;

  --font-display: "Bricolage Grotesque", "Noto Sans SC", sans-serif;
  --font-body: "Hanken Grotesk", "Noto Sans SC", -apple-system, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --border: 2px solid var(--ink);
  --shadow-rest: 4px 4px 0 rgba(23, 26, 33, 0.08);
  --shadow-riso: 7px 7px 0 var(--riso-blue);

  --container: 1160px;
}

/* ---------- Reset / base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,
svg {
  display: block;
}
a {
  color: inherit;
}
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}
h1,
h2,
h3,
p {
  margin: 0;
}
::selection {
  background: var(--riso-blue);
  color: #fff;
}
:focus-visible {
  outline: 3px solid var(--riso-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}
@media (max-width: 640px) {
  .container {
    width: calc(100% - 36px);
  }
}

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

/* 编目注释：签名元素 */
.anno {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.anno::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--riso-blue);
  flex: none;
}
.on-panel .anno {
  color: var(--dim-on-panel);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  border: var(--border);
  background: var(--paper-raised);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    background 0.16s ease;
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--riso-blue);
}
.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-ghost {
  border-color: transparent;
  background: transparent;
}
.btn-ghost:hover {
  box-shadow: none;
  background: var(--riso-blue-soft);
}
.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-width: 1.5px;
}
.btn-danger:hover {
  box-shadow: 5px 5px 0 var(--riso-coral);
}

/* ---------- 徽章 / 标签 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1.5px solid var(--ink-faint);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  color: var(--ink-dim);
  background: transparent;
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    background 0.15s ease;
}
a.chip:hover,
button.chip:hover {
  border-color: var(--riso-blue);
  color: var(--riso-blue);
  background: var(--riso-blue-soft);
}
.chip-type {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
}
.chip.is-active {
  border-color: var(--riso-blue);
  background: var(--riso-blue);
  color: #fff;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  flex: none;
}
.dot-off {
  background: var(--riso-coral);
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(240, 241, 236, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--ink);
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.brand-mark {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
}
.brand-mark i {
  position: absolute;
  inset: 0;
  border: 2.5px solid var(--riso-blue);
  border-radius: 5px;
}
.brand-mark i:last-child {
  transform: translate(3px, 3px);
  border-color: var(--riso-coral);
}
.topnav {
  display: flex;
  gap: 4px;
  margin-left: auto;
  align-items: center;
}
.topnav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  padding: 7px 13px;
  border-radius: 999px;
}
.topnav a:hover {
  background: var(--riso-blue-soft);
  color: var(--riso-blue);
}
.topnav a[aria-current="page"] {
  background: var(--ink);
  color: var(--paper);
}
.nav-toggle {
  display: none;
  margin-left: auto;
}

/* ---------- 首屏 ---------- */
.hero {
  padding: clamp(56px, 9vh, 96px) 0 64px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.12;
  letter-spacing: 0.005em;
  max-width: 18em;
}
.hero .hl {
  background: linear-gradient(
    transparent 58%,
    var(--riso-blue-soft) 58%,
    rgba(36, 54, 232, 0.32) 92%,
    transparent 92%
  );
  padding-inline: 2px;
}
.hero-sub {
  margin-top: 18px;
  font-size: 17px;
  color: var(--ink-dim);
  max-width: 34em;
}

/* 搜索仪器 */
.search-instrument {
  margin-top: 34px;
  max-width: 720px;
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: 8px 8px 0 var(--riso-blue-soft);
  display: flex;
  align-items: stretch;
  overflow: hidden;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.search-instrument:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--riso-blue-soft);
}
.search-instrument svg {
  align-self: center;
  margin-left: 18px;
  color: var(--ink-dim);
  flex: none;
}
.search-instrument input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 18px 14px;
  font-size: 16.5px;
}
.search-instrument input::placeholder {
  color: var(--ink-dim);
}
.search-instrument input:focus {
  outline: none;
}
.search-instrument .btn-primary {
  border: 0;
  border-left: var(--border);
  border-radius: 0;
  padding-inline: 30px;
  font-size: 16px;
}
.query-echo {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--riso-blue);
  min-height: 1.4em;
  overflow-wrap: anywhere;
}
.hero-meta {
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-dim);
  display: flex;
  gap: 8px 22px;
  flex-wrap: wrap;
}
.hero-meta b {
  color: var(--ink);
  font-weight: 600;
}
.btn-random {
  position: absolute;
  right: 2px;
  bottom: 4px;
  z-index: 3;
  background: var(--paper-raised);
}

/* 首屏双栏：文案 + 数据标本视觉 */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}
.hero-copy {
  min-width: 0;
}
.mcp-jump {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  padding: 8px 16px;
  border: 1.5px solid var(--ink-faint);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
  color: var(--ink);
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}
.mcp-jump svg {
  transition: transform 0.2s ease;
}
.mcp-jump:hover {
  border-color: var(--riso-blue);
  color: var(--riso-blue);
  background: var(--riso-blue-soft);
}
.mcp-jump:hover svg {
  transform: translateY(2px);
}

/* 右侧视觉：同一条数据的两种读者形态 */
.hero-visual {
  position: relative;
  min-height: 380px;
}
.spec-label {
  position: absolute;
  top: -6px;
  left: 4px;
  font-size: 11.5px;
  color: var(--ink-dim);
  letter-spacing: 0.04em;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.spec-machine {
  position: absolute;
  top: 34px;
  right: 0;
  width: min(320px, 96%);
  background: var(--panel);
  color: #cdd3ea;
  font-size: 11.5px;
  line-height: 1.65;
  padding: 18px 20px;
  border-radius: var(--r-md);
  transform: rotate(2.6deg);
  box-shadow: 10px 10px 0 rgba(23, 26, 33, 0.12);
  overflow: hidden;
}
.spec-human {
  position: absolute;
  bottom: 12px;
  left: 0;
  width: min(300px, 94%);
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 18px;
  transform: rotate(-3deg);
  box-shadow: 9px 9px 0 var(--riso-blue);
}
.spec-human h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin-top: 12px;
}
.spec-human p {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.55;
}
.spec-human .card-tags {
  margin-top: 14px;
}

/* 最近收录（第三屏） */
.recent {
  padding: 84px 0 96px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  display: block;
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 18px;
  text-decoration: none;
  box-shadow: var(--shadow-rest);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-riso);
}
.card .chip-type {
  margin-bottom: 12px;
}
.card h3 {
  font-size: 16.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}
.card p {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-dim);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-tags {
  margin-top: 14px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.card-meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
}
.section-head a {
  font-weight: 600;
  font-size: 14px;
  color: var(--riso-blue);
  text-decoration: none;
}
.section-head a:hover {
  text-decoration: underline;
}

/* ---------- MCP 第二屏 ---------- */
.mcp {
  scroll-margin-top: 70px;
  background: var(--panel);
  color: var(--paper-on-panel);
  padding: 76px 0 84px;
}
.mcp h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 38px);
  max-width: 20em;
}
.mcp-sub {
  margin-top: 12px;
  color: var(--dim-on-panel);
  max-width: 40em;
}
.mcp-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 22px;
  align-items: start;
}
.agent-prompt {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--panel-raised);
  border: 1.5px dashed rgba(233, 235, 228, 0.28);
  border-radius: var(--r-md);
  padding: 18px 22px;
}
.agent-prompt h3 {
  font-size: 15px;
  font-weight: 700;
}
.agent-prompt .mono {
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--dim-on-panel);
}
.agent-prompt blockquote {
  margin: 10px 0 0;
  padding: 11px 14px;
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid var(--riso-blue);
  border-radius: 0 8px 8px 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: #cdd3ea;
  overflow-wrap: anywhere;
}
.agent-prompt .copy-btn {
  align-self: flex-start;
  flex: none;
  white-space: nowrap;
}
.endpoint-card {
  background: var(--panel-raised);
  border: 1.5px solid rgba(233, 235, 228, 0.16);
  border-radius: var(--r-md);
  padding: 22px;
}
.endpoint-card h3 {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim-on-panel);
  font-family: var(--font-mono);
  font-weight: 500;
}
.endpoint-url {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.endpoint-url code {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  background: rgba(233, 235, 228, 0.07);
  border: 1px solid rgba(233, 235, 228, 0.16);
  border-radius: 8px;
  padding: 11px 13px;
  overflow-x: auto;
  white-space: nowrap;
}
.copy-btn {
  flex: none;
  border: 1px solid rgba(233, 235, 228, 0.28);
  background: transparent;
  color: var(--paper-on-panel);
  border-radius: 8px;
  padding: 0 14px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  transition: background 0.15s ease;
}
.copy-btn:hover {
  background: rgba(233, 235, 228, 0.12);
}
.endpoint-status {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dim-on-panel);
  display: flex;
  align-items: center;
  gap: 8px;
}
.endpoint-note {
  margin-top: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dim-on-panel);
}
.steps {
  display: grid;
  gap: 14px;
}
.step {
  background: var(--panel-raised);
  border: 1.5px solid rgba(233, 235, 228, 0.16);
  border-radius: var(--r-md);
  padding: 18px 20px;
}
.step-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.step-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--riso-coral);
  font-weight: 600;
}
.step h3 {
  font-size: 15.5px;
  font-weight: 700;
}
.step pre {
  margin: 12px 0 0;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(233, 235, 228, 0.12);
  border-radius: 8px;
  padding: 13px 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  color: #cdd3ea;
}
.step pre .k {
  color: #8fa3ff;
}
.step pre .s {
  color: #ffd9a0;
}
.tools-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 13px;
}
.tools-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim-on-panel);
  font-weight: 500;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(233, 235, 228, 0.16);
}
.tools-table td {
  padding: 9px 10px;
  border-bottom: 1px solid rgba(233, 235, 228, 0.09);
}
.tools-table td:first-child {
  font-family: var(--font-mono);
  color: #8fa3ff;
  white-space: nowrap;
}

/* ---------- 页脚 ---------- */
.footer {
  background: var(--panel);
  color: var(--paper-on-panel);
  padding: 72px 0 0;
  border-top: 6px solid var(--riso-blue);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 0.9fr;
  gap: 44px;
  padding-bottom: 56px;
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim-on-panel);
  margin: 0 0 18px;
}
.footer-brand p {
  margin-top: 14px;
  font-size: 14px;
  color: var(--dim-on-panel);
  max-width: 26em;
}
.footer a {
  color: var(--paper-on-panel);
  text-decoration: none;
  font-size: 14px;
}
.footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.footer ul a:hover {
  color: #8fa3ff;
  text-decoration: underline;
}
.feedback textarea {
  width: 100%;
  min-height: 86px;
  resize: vertical;
  background: var(--panel-raised);
  border: 1.5px solid rgba(233, 235, 228, 0.2);
  border-radius: 8px;
  padding: 11px 13px;
  font-size: 13.5px;
  color: var(--paper-on-panel);
}
.feedback textarea::placeholder {
  color: rgba(233, 235, 228, 0.38);
}
.feedback button {
  margin-top: 10px;
  background: var(--paper-on-panel);
  color: var(--ink);
  border: 0;
  border-radius: 8px;
  padding: 9px 18px;
  font-weight: 700;
  cursor: pointer;
}
.feedback button:hover {
  background: #fff;
}
.feedback .alt {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--dim-on-panel);
}
.feedback .alt a {
  color: #8fa3ff;
}
.footer-bar {
  border-top: 1px solid rgba(233, 235, 228, 0.14);
  padding: 22px 0 26px;
  display: flex;
  justify-content: space-between;
  gap: 12px 28px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dim-on-panel);
}

/* ---------- 列表页 ---------- */
.page-head {
  padding: 46px 0 26px;
}
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 40px);
}
.list-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--ink);
}
.result-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-dim);
}
.result-count b {
  color: var(--ink);
}
.toolbar-right {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
}
.select {
  border: 1.5px solid var(--ink);
  background: var(--paper-raised);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13.5px;
  cursor: pointer;
}

.list-layout {
  display: grid;
  grid-template-columns: 264px 1fr;
  gap: 36px;
  align-items: start;
  padding: 30px 0 80px;
}
.filter-rail {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 26px;
}
.rail-toggle {
  display: none;
}
.filter-group h3 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 12px;
}
.checkline {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}
.checkline input {
  accent-color: var(--riso-blue);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.checkline .cnt {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
}
.tag-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
}
.tag-tree ul {
  list-style: none;
  margin: 0;
  padding-left: 16px;
  border-left: 1.5px solid var(--ink-faint);
}
.tag-tree li {
  padding: 2px 0;
}
.tree-row {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  background: none;
  border: 0;
  padding: 4px 6px;
  cursor: pointer;
  text-align: left;
  font-size: 14px;
  border-radius: 6px;
}
.tree-row:hover {
  background: var(--riso-blue-soft);
}
.tree-row .tw {
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  width: 10px;
  flex: none;
  transition: transform 0.15s ease;
}
.tree-row[aria-expanded="true"] .tw {
  transform: rotate(90deg);
}
.tree-row .cnt {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
}
.tag-children {
  display: none;
}
.tag-children.open {
  display: block;
}
.clear-filters {
  background: none;
  border: 0;
  padding: 0;
  color: var(--riso-blue);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.clear-filters:hover {
  text-decoration: underline;
}

.results {
  display: grid;
  gap: 14px;
}
.result-row {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 18px;
  align-items: start;
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 16px 18px;
  text-decoration: none;
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease;
}
.result-row:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--riso-blue);
}
.result-main h3 {
  font-size: 16.5px;
  font-weight: 700;
}
.result-main p {
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--ink-dim);
}
.result-side {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
  display: grid;
  gap: 6px;
  justify-items: end;
}
.pager {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 详情页 ---------- */
.crumbs {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-dim);
  padding: 26px 0 8px;
}
.crumbs a {
  color: inherit;
  text-decoration: none;
}
.crumbs a:hover {
  color: var(--riso-blue);
}
.detail-head {
  padding: 10px 0 26px;
  border-bottom: 2px solid var(--ink);
}
.detail-title {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.detail-title h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 52px);
}
.detail-actions {
  margin-left: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  padding: 34px 0 70px;
  align-items: start;
}
.detail-body section {
  margin-bottom: 40px;
}
.detail-body h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  margin-bottom: 14px;
}
.detail-body p {
  margin-bottom: 12px;
  max-width: 62ch;
}
.shot {
  border: var(--border);
  border-radius: var(--r-md);
  background:
    repeating-linear-gradient(
      -45deg,
      transparent 0 14px,
      rgba(23, 26, 33, 0.03) 14px 15px
    ),
    var(--paper-raised);
  aspect-ratio: 16/8;
  display: grid;
  place-items: center;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.feat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.feat-list li {
  padding-left: 26px;
  position: relative;
  max-width: 60ch;
}
.feat-list li::before {
  content: "✳";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--riso-blue);
  font-size: 14px;
}
.view-tabs {
  display: inline-flex;
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 14px;
}
.view-tabs button {
  border: 0;
  background: var(--paper-raised);
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  cursor: pointer;
}
.view-tabs button[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
}
.code-block {
  background: var(--panel);
  color: #cdd3ea;
  border-radius: var(--r-md);
  padding: 18px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
}
.side-card {
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  box-shadow: var(--shadow-rest);
  margin-bottom: 22px;
}
.side-card h3 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.meta-table td {
  padding: 7px 0;
  vertical-align: top;
}
.meta-table td:first-child {
  color: var(--ink-dim);
  width: 42%;
}
.meta-table td:last-child {
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.related-item {
  display: block;
  text-decoration: none;
  padding: 9px 0;
  border-top: 1.5px solid var(--ink-faint);
}
.related-item:first-of-type {
  border-top: 0;
}
.related-item b {
  font-size: 14px;
}
.related-item span {
  display: block;
  font-size: 12.5px;
  color: var(--ink-dim);
  margin-top: 2px;
}
.related-item:hover b {
  color: var(--riso-blue);
}

/* 评论 */
.comment {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1.5px solid var(--ink-faint);
}
.avatar {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 50%;
  border: 2px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  background: var(--riso-blue-soft);
}
.comment-head {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13.5px;
}
.comment-head b {
  font-size: 14px;
}
.comment-head time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
}
.comment p {
  margin-top: 6px;
  font-size: 14px;
}
.comment-form {
  margin-top: 24px;
  display: grid;
  gap: 12px;
  max-width: 620px;
}
.input,
.textarea {
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  background: var(--paper-raised);
  padding: 11px 14px;
  font-size: 14px;
  width: 100%;
}
.input:focus,
.textarea:focus {
  outline: 3px solid var(--riso-blue);
  outline-offset: 0;
}
.textarea {
  min-height: 96px;
  resize: vertical;
}
.form-row {
  display: flex;
  gap: 12px;
}
.form-row .input {
  flex: 1;
}

/* ---------- 管理台 ---------- */
.admin-shell {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: calc(100vh - 64px);
}
.admin-nav {
  border-right: 2px solid var(--ink);
  padding: 28px 18px;
  display: grid;
  gap: 4px;
  align-content: start;
  background: var(--paper-raised);
}
.admin-nav h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0 0 10px 10px;
  font-weight: 600;
}
.admin-nav button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.admin-nav button:hover {
  background: var(--riso-blue-soft);
}
.admin-nav button[aria-current="true"] {
  background: var(--ink);
  color: var(--paper);
}
.admin-main {
  padding: 34px 40px 70px;
  min-width: 0;
}
.admin-main > section {
  display: none;
}
.admin-main > section.active {
  display: block;
  animation: fadein 0.25s ease;
}
.admin-main h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 27px;
}
.admin-desc {
  color: var(--ink-dim);
  font-size: 14px;
  margin-top: 6px;
}
.admin-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin: 24px 0 18px;
}
.admin-toolbar .input {
  max-width: 260px;
}
.admin-toolbar .spacer {
  flex: 1;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  font-size: 13.5px;
}
.data-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-weight: 600;
  padding: 11px 14px;
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1.5px solid var(--ink-faint);
  vertical-align: middle;
}
.data-table tr:last-child td {
  border-bottom: 0;
}
.data-table tbody tr {
  transition: background 0.12s ease;
}
.data-table tbody tr:hover {
  background: rgba(36, 54, 232, 0.05);
}
.row-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}
.status-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1.5px solid currentColor;
}
.status-ok {
  color: var(--ok);
}
.status-warn {
  color: var(--riso-coral);
}
.status-dim {
  color: var(--ink-dim);
}
.tagmgr {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 26px;
  margin-top: 24px;
  align-items: start;
}
.panel-box {
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 22px;
}
.panel-box h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}
.switchline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1.5px solid var(--ink-faint);
  font-size: 14px;
}
.switchline:last-child {
  border-bottom: 0;
}
.switchline .mono {
  font-size: 12px;
  color: var(--ink-dim);
  margin-left: auto;
}
.toggle {
  position: relative;
  width: 38px;
  height: 21px;
  flex: none;
}
.toggle input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}
.toggle i {
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: var(--paper);
  transition: background 0.15s ease;
}
.toggle i::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  transition: transform 0.15s ease;
}
.toggle input:checked + i {
  background: var(--riso-blue);
}
.toggle input:checked + i::after {
  transform: translateX(17px);
  background: #fff;
}
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 24px 0 8px;
}
.stat-cell {
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 16px 18px;
}
.stat-cell b {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
}
.stat-cell span {
  font-size: 12.5px;
  color: var(--ink-dim);
}

/* ---------- 登录页 ---------- */
.auth-wrap {
  position: relative;
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
  padding: 56px 0 72px;
}
.auth-wrap::before,
.auth-wrap::after {
  content: "";
  position: absolute;
  width: 230px;
  height: 150px;
  border: 2px solid var(--ink-faint);
  border-radius: var(--r-md);
}
.auth-wrap::before {
  top: 14%;
  left: 12%;
  transform: rotate(-6deg);
}
.auth-wrap::after {
  bottom: 9%;
  right: 11%;
  transform: rotate(4deg);
  border-color: rgba(36, 54, 232, 0.25);
}
.auth-card {
  width: min(430px, 100%);
  background: var(--paper-raised);
  border: var(--border);
  border-radius: var(--r-lg);
  padding: 32px 34px 26px;
  box-shadow: 10px 10px 0 var(--riso-blue);
}
.auth-card h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 30px);
}
.auth-sub {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--ink-dim);
}
.auth-sub a {
  color: var(--riso-blue);
  font-weight: 600;
  text-decoration: none;
}
.auth-sub a:hover {
  text-decoration: underline;
}
.field {
  margin-top: 16px;
}
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.field .input {
  width: 100%;
}
.ai-key-field {
  position: relative;
  flex: 1;
  min-width: 0;
}
.ai-key-field .input {
  width: 100%;
  padding-right: 42px;
}
.eye-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: 0;
  background: none;
  cursor: pointer;
  color: var(--ink-dim);
}
.eye-toggle:hover {
  color: var(--ink);
}
.auth-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}
.auth-row a {
  color: var(--riso-blue);
  text-decoration: none;
}
.auth-row a:hover {
  text-decoration: underline;
}
.btn-block {
  width: 100%;
  margin-top: 22px;
  padding-block: 13px;
  font-size: 16px;
}
.auth-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1.5px solid var(--ink-faint);
  display: grid;
  gap: 6px;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--ink-dim);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 16px);
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 999px;
  border: 2px solid var(--paper);
  box-shadow: 5px 5px 0 var(--riso-blue);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  z-index: 99;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 入场动效（一处编排） ---------- */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.rise {
  animation: rise 0.55s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.d1 {
  animation-delay: 0.06s;
}
.d2 {
  animation-delay: 0.14s;
}
.d3 {
  animation-delay: 0.22s;
}
.d4 {
  animation-delay: 0.3s;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .mcp-grid {
    grid-template-columns: 1fr;
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 900px) {
  .auth-wrap::before,
  .auth-wrap::after {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 0;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 4px;
  }
  .spec-label {
    position: static;
    margin: 0;
    flex: 1;
    min-width: 0;
    white-space: normal;
  }
  .spec-machine,
  .spec-human {
    display: none;
  }
  .btn-random {
    position: static;
    flex: none;
  }
  .list-layout {
    grid-template-columns: 1fr;
  }
  .filter-rail {
    position: static;
    display: none;
    border: 1.5px dashed var(--ink-faint);
    border-radius: var(--r-md);
    padding: 20px;
  }
  .filter-rail.open {
    display: grid;
  }
  .rail-toggle {
    display: inline-flex;
  }
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-nav {
    border-right: 0;
    border-bottom: 2px solid var(--ink);
    display: flex;
    overflow-x: auto;
    padding: 12px 16px;
  }
  .admin-nav h4 {
    display: none;
  }
  .admin-nav button {
    width: auto;
    white-space: nowrap;
  }
  .tagmgr {
    grid-template-columns: 1fr;
  }
  .result-row {
    grid-template-columns: 1fr;
  }
  .result-side {
    text-align: left;
    justify-items: start;
    grid-auto-flow: column;
  }
}
@media (max-width: 640px) {
  .agent-prompt {
    flex-direction: column;
    align-items: stretch;
  }
  .topnav {
    display: none;
  }
  .topbar.menu-open .topnav {
    display: grid;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 2px solid var(--ink);
    padding: 12px 24px 18px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .search-instrument {
    flex-direction: column;
  }
  .search-instrument svg {
    display: none;
  }
  .search-instrument input {
    padding: 16px 18px 4px;
  }
  .search-instrument .btn-primary {
    border-left: 0;
    border-top: var(--border);
    padding: 13px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-delay: 0s !important;
    transition-duration: 0.001s !important;
  }
}