:root {
  color-scheme: light dark;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-soft: #f9fbff;
  --text: #111827;
  --muted: #5f6b7a;
  --line: #dfe6ef;
  --brand: #1f6feb;
  --brand-strong: #1450b8;
  --ok: #0f8f5f;
  --warn: #b7791f;
  --bad: #b42318;
  --code-bg: #101828;
  --code-text: #eef4ff;
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --panel: #151b23;
    --panel-soft: #111820;
    --text: #edf2f7;
    --muted: #a8b3c3;
    --line: #273142;
    --brand: #6aa6ff;
    --brand-strong: #9ec5ff;
    --ok: #58d68d;
    --warn: #f4c76b;
    --bad: #ff9b90;
    --code-bg: #05080d;
    --code-text: #f5f8ff;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(16px);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
}

.navlinks {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.hero {
  padding: 56px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
}

.notice {
  border: 1px solid color-mix(in srgb, var(--brand) 32%, var(--line));
  border-radius: 8px;
  background: color-mix(in srgb, var(--brand) 8%, var(--panel));
  padding: 18px;
  box-shadow: var(--shadow);
}

.notice strong {
  display: block;
  margin-bottom: 8px;
}

.layout {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 16px 0 64px;
}

.toc {
  position: sticky;
  top: 84px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
  box-shadow: var(--shadow);
}

.toc h2 {
  margin: 0 0 10px;
  font-size: 14px;
}

.toc a {
  display: block;
  padding: 7px 8px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
}

.toc a:hover {
  background: var(--panel-soft);
  color: var(--brand-strong);
  text-decoration: none;
}

.content {
  display: grid;
  gap: 20px;
}

.section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
  box-shadow: var(--shadow);
}

.section h2 {
  margin: 0 0 12px;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: 0;
}

.section h3 {
  margin: 26px 0 10px;
  font-size: 18px;
  letter-spacing: 0;
}

.section p,
.section ul,
.section ol {
  color: var(--muted);
}

.section p {
  margin: 8px 0 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 16px;
}

.card h3,
.card h4 {
  margin-top: 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: var(--panel);
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--panel-soft);
  color: var(--text);
  font-size: 13px;
  white-space: nowrap;
}

td {
  color: var(--muted);
  font-size: 14px;
}

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

code {
  border-radius: 5px;
  background: color-mix(in srgb, var(--brand) 10%, var(--panel-soft));
  color: var(--brand-strong);
  padding: 2px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

pre {
  overflow: auto;
  margin: 12px 0 18px;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px;
  font-size: 13px;
  line-height: 1.55;
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.status-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.status {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel-soft);
}

.status b {
  display: block;
  color: var(--text);
}

.status span {
  color: var(--muted);
  font-size: 13px;
}

.ok {
  color: var(--ok);
}

.warn {
  color: var(--warn);
}

.bad {
  color: var(--bad);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 36px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .hero-grid,
  .layout,
  .grid,
  .status-list {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .navlinks {
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 20px, 1180px);
  }

  .section {
    padding: 18px;
  }

  .hero {
    padding-top: 36px;
  }
}