:root {
  color-scheme: light;
  --canvas: #fbfbfa;
  --paper: #ffffff;
  --soft: #f5f5f2;
  --soft-2: #ededeb;
  --ink: #222521;
  --text: #4d514b;
  --muted: #777b74;
  --faint: #a5a9a1;
  --line: #e5e5e1;
  --line-strong: #d1d3cd;
  --accent: #252724;
  --accent-soft: #eeeeec;
  --yellow-soft: #fbf3db;
  --yellow-ink: #8a640f;
  --radius: 8px;
  --duration-fast: 140ms;
  --duration-base: 220ms;
  --ease-out: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-move: cubic-bezier(0.77, 0, 0.175, 1);
  font-family:
    "SF Pro Display",
    "Helvetica Neue",
    "Segoe UI",
    "Microsoft YaHei",
    "PingFang SC",
    system-ui,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 14%, rgba(34, 37, 33, 0.045), transparent 28%),
    linear-gradient(rgba(34, 37, 33, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 37, 33, 0.026) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid rgba(34, 37, 33, 0.36);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper);
  transition: transform 180ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.motion-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.scan-line {
  position: absolute;
  display: block;
  opacity: 0.16;
  background: var(--accent);
}

.scan-line.horizontal {
  left: 0;
  top: 31vh;
  width: 100%;
  height: 1px;
  transform: translateX(-100%);
  animation: scan-x 7.6s var(--ease-move) infinite;
}

.scan-line.vertical {
  top: 0;
  left: 62vw;
  width: 1px;
  height: 100%;
  transform: translateY(-100%);
  animation: scan-y 8.8s var(--ease-move) infinite 1s;
}

@keyframes scan-x {
  0%,
  34% {
    transform: translateX(-100%);
  }
  70%,
  100% {
    transform: translateX(100%);
  }
}

@keyframes scan-y {
  0%,
  28% {
    transform: translateY(-100%);
  }
  68%,
  100% {
    transform: translateY(100%);
  }
}

.app-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 256px minmax(0, 1fr);
}

.site-sidebar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(251, 251, 250, 0.94);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--accent);
  font-size: 18px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--ink);
  font-size: 16px;
  line-height: 1.1;
  letter-spacing: 0;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  font-weight: 600;
}

.side-nav {
  display: grid;
  gap: 4px;
}

.side-nav a {
  min-height: 48px;
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  padding: 0 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  transition:
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    transform var(--duration-fast) var(--ease-out);
}

.side-nav a span {
  color: var(--faint);
  font-family: "SF Mono", "Cascadia Mono", monospace;
  font-size: 11px;
  font-weight: 800;
}

.side-nav a:hover,
.side-nav a[aria-current="page"] {
  background: var(--soft);
  color: var(--ink);
}

.side-nav a:active,
.filters button:active,
.tag-cloud button:active,
.capability-item:active {
  transform: scale(0.98);
}

.sidebar-note {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.sidebar-note span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-family: "SF Mono", "Cascadia Mono", monospace;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.sidebar-note strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.sidebar-note p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.content-shell {
  min-width: 0;
  width: min(1120px, calc(100% - 64px));
  margin: 0 auto;
  padding: 56px 0 32px;
}

.module-view[hidden] {
  display: none;
}

.module-view {
  animation: module-in 360ms var(--ease-out) both;
}

@keyframes module-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.module-header {
  max-width: 760px;
  margin-bottom: 26px;
}

.module-header.slim {
  max-width: 820px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: "SF Mono", "Cascadia Mono", "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-family:
    "Times New Roman",
    "Songti SC",
    "SimSun",
    serif;
  font-size: 68px;
  line-height: 1;
  letter-spacing: 0;
  font-weight: 600;
  text-wrap: balance;
}

.lede {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--text);
  font-size: 18px;
  line-height: 1.8;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.68fr);
  gap: 18px;
  align-items: start;
}

.panel,
.search-console {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.panel {
  padding: 20px;
}

.overview-panel {
  min-height: 260px;
}

.panel-heading,
.console-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.panel-heading {
  margin-bottom: 16px;
}

.panel-heading.compact h2,
.console-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: 0;
}

.panel-copy {
  max-width: 72ch;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.index-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.index-summary article {
  min-height: 128px;
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.44);
}

.index-summary span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.index-summary strong,
.result-meta strong,
.region-count {
  color: var(--ink);
  font-family: "SF Mono", "Cascadia Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.index-summary strong {
  font-size: 38px;
  line-height: 1;
}

.capability-list {
  display: grid;
  gap: 10px;
}

.capability-item {
  min-height: 118px;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 0 12px;
  align-content: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.66);
  cursor: pointer;
  text-align: left;
  transition:
    background-color var(--duration-fast) ease,
    border-color var(--duration-fast) ease,
    transform var(--duration-fast) var(--ease-out);
}

.capability-item:hover {
  border-color: var(--line-strong);
  background: var(--paper);
}

.index-no {
  grid-row: span 2;
  color: var(--muted);
  font-family: "SF Mono", "Cascadia Mono", monospace;
  font-size: 12px;
  font-weight: 800;
}

.capability-item strong {
  color: var(--ink);
  font-size: 21px;
  line-height: 1.2;
}

.capability-item p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.search-console {
  position: relative;
  overflow: visible;
  margin-bottom: 18px;
}

.search-console::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(34, 37, 33, 0.075), transparent);
  transform: translateX(-110%);
  animation: console-sheen 5.8s var(--ease-move) infinite 0.8s;
}

@keyframes console-sheen {
  0%,
  42% {
    transform: translateX(-110%);
  }
  75%,
  100% {
    transform: translateX(110%);
  }
}

.console-head {
  position: relative;
  z-index: 1;
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.console-head .kicker {
  margin-bottom: 8px;
}

.result-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.result-meta strong {
  font-size: 30px;
  line-height: 1;
}

.filters {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(220px, 1.3fr) minmax(138px, 0.7fr) minmax(138px, 0.7fr) auto;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.filters label {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: var(--paper);
}

.filters label span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.filters input,
.filters select {
  width: 100%;
  min-height: 40px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  outline: 0;
}

.native-select-hidden {
  display: none;
}

.filters input {
  font-size: 20px;
  letter-spacing: 0;
}

.filters input::placeholder {
  color: var(--faint);
}

.custom-select {
  position: relative;
  z-index: 1;
}

.custom-select.open {
  z-index: 80;
}

.custom-select-label {
  display: none;
}

.custom-select-trigger {
  position: relative;
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}

.custom-select-trigger::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform var(--duration-base) var(--ease-out);
}

.custom-select.open .custom-select-trigger::after {
  transform: translateY(2px) rotate(225deg);
}

.custom-select-menu {
  position: fixed;
  z-index: 120;
  width: var(--select-menu-width, 180px);
  max-height: min(320px, calc(100dvh - 24px));
  overflow-y: auto;
  padding: 6px;
  border: 1px solid rgba(34, 37, 33, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 18px 48px rgba(34, 37, 33, 0.14);
  transform-origin: top;
  animation: select-pop 180ms var(--ease-out) both;
}

@keyframes select-pop {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.custom-select-option {
  width: 100%;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition:
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    transform var(--duration-fast) var(--ease-out);
}

.custom-select-option.selected::after {
  content: "";
  width: 6px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-1px) rotate(45deg);
}

.custom-select-option:hover,
.custom-select-option.selected {
  background: var(--ink);
  color: var(--paper);
}

.custom-select-option:active {
  transform: scale(0.98);
}

.filters button {
  min-height: 100%;
  padding: 0 18px;
  border: 0;
  background: var(--soft);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) ease,
    transform var(--duration-fast) var(--ease-out);
}

.filters button:hover {
  background: var(--soft-2);
}

.region-search-console {
  margin-bottom: 18px;
}

.region-filters {
  grid-template-columns: 1fr;
  border-bottom: 0;
}

.policy-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 18px;
  align-items: start;
}

.record-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.record-card {
  display: grid;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  animation: archive-in 260ms var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 45ms);
}

.panel-main .record-card:first-child {
  padding-top: 0;
}

@keyframes archive-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.record-top,
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.badge,
.status {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.badge {
  background: var(--soft);
  color: var(--muted);
}

.badge.accent,
.status.reviewed,
.status.published {
  background: var(--accent-soft);
  color: var(--accent);
}

.status.draft {
  background: var(--yellow-soft);
  color: var(--yellow-ink);
}

.record-card h3,
.case-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.42;
  letter-spacing: 0;
}

.record-card p,
.case-card p {
  max-width: 76ch;
  margin: 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.75;
}

.record-tags,
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.record-tags span,
.tag-cloud button {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.tag-cloud {
  gap: 8px;
}

.tag-cloud button {
  cursor: pointer;
  transition:
    background-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    transform var(--duration-fast) var(--ease-out);
}

.tag-cloud button:hover,
.tag-cloud button.active {
  background: var(--ink);
  color: var(--paper);
}

.source-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.source-line strong {
  color: var(--ink);
}

.rule-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.rule-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
}

.rule-note p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.region-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.region-card {
  display: grid;
  grid-template-columns: 92px 1fr 42px;
  align-items: center;
  gap: 18px;
  min-height: 92px;
  padding: 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.48);
  cursor: pointer;
  animation: archive-in 280ms var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 55ms);
}

.region-card strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  letter-spacing: 0;
}

.region-card small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.region-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft-2);
}

.region-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transform-origin: left;
  animation: bar-grow 720ms var(--ease-out) both;
}

@keyframes bar-grow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.region-count {
  font-size: 20px;
  font-weight: 800;
  text-align: right;
}

.case-card {
  min-height: 230px;
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.48);
  animation: archive-in 260ms var(--ease-out) both;
  animation-delay: calc(var(--i, 0) * 50ms);
}

.source-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.source-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.source-table th,
.source-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.source-table th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  background: var(--soft);
}

.source-table td {
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
}

.source-table tr {
  transition: background-color var(--duration-fast) ease;
}

.source-table tr:hover {
  background: rgba(34, 37, 33, 0.045);
}

.source-table tr:last-child td {
  border-bottom: 0;
}

.source-title {
  display: block;
  color: var(--ink);
  font-weight: 800;
}

.source-sub {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  padding: 28px 0;
  color: var(--muted);
  text-align: center;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
}

.reveal.in-view {
  animation: reveal-up 600ms var(--ease-out) both;
}

@keyframes reveal-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (hover: hover) and (pointer: fine) {
  .record-card:hover,
  .case-card:hover,
  .region-card:hover {
    background: var(--paper);
  }
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 86px minmax(0, 1fr);
  }

  .site-sidebar {
    padding: 18px 10px;
    align-items: center;
  }

  .brand {
    gap: 0;
  }

  .brand-text,
  .side-nav a b,
  .sidebar-note {
    display: none;
  }

  .side-nav {
    width: 100%;
  }

  .side-nav a {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 0;
    font-size: 0;
  }

  .side-nav a span {
    font-size: 12px;
  }

  .content-shell {
    width: min(100% - 48px, 1120px);
  }

  h1 {
    font-size: 56px;
  }

  .overview-grid,
  .policy-workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .site-sidebar {
    padding-inline: 8px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .content-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 34px;
  }

  h1 {
    font-size: 40px;
    line-height: 1.04;
  }

  .lede {
    font-size: 16px;
  }

  .panel-heading,
  .console-head,
  .site-footer {
    flex-direction: column;
  }

  .filters,
  .index-summary,
  .region-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .region-card {
    grid-template-columns: 1fr;
  }

  .region-count {
    text-align: left;
  }

  .source-line {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none;
    transition-duration: 0.01ms;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}