:root {
  color-scheme: dark;
  --bg: #15191d;
  --surface: #1e242a;
  --surface-2: #252c33;
  --border: #3d4852;
  --text: #e8edf2;
  --muted: #aab5bf;
  --accent: #48a98d;
  --accent-strong: #2f806a;
  --warm: #d8ad59;
  --danger: #df7e86;
  font-family: Arial, "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.65; }
a { color: #7bcdb4; }
code, pre { font-family: Consolas, "SFMono-Regular", monospace; }
code { color: #f1ca7d; overflow-wrap: anywhere; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  border-right: 1px solid var(--border);
  background: #181d22;
  overflow-y: auto;
}

.brand { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 0 8px 14px; }
.brand strong { font-size: 16px; }
.brand span { color: var(--warm); font-size: 12px; }
.search-field { display: block; margin-bottom: 12px; }
.search-field > span { display: block; margin: 0 0 5px 2px; color: var(--muted); font-size: 12px; }
.search-field input {
  width: 100%;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #101316;
  color: var(--text);
}

nav { display: flex; flex-direction: column; gap: 2px; }
nav a { padding: 7px 9px; border-left: 3px solid transparent; color: var(--muted); text-decoration: none; }
nav a:hover, nav a.active { border-left-color: var(--accent); background: var(--surface); color: var(--text); }
.download-link { margin-top: auto; min-height: 36px; padding: 7px 10px; border: 1px solid var(--accent-strong); border-radius: 4px; background: #205c4e; color: #fff; text-align: center; text-decoration: none; }

main { margin-left: 260px; min-width: 0; }
.page-header {
  min-height: 128px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(24px, 5vw, 72px);
  border-bottom: 1px solid var(--border);
  background: #1b2025;
}
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: 13px; }
h1 { margin: 0; font-size: clamp(30px, 5vw, 46px); line-height: 1.1; }
.header-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.header-meta span, .header-meta a { padding: 5px 8px; border: 1px solid var(--border); border-radius: 4px; background: var(--surface); color: var(--muted); text-decoration: none; }

article { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 18px 0 72px; }
section { padding: 26px 0 30px; border-bottom: 1px solid var(--border); scroll-margin-top: 16px; }
section[hidden] { display: none; }
h2 { margin: 0 0 12px; font-size: 24px; }
h3 { margin: 20px 0 6px; font-size: 17px; color: #dce4eb; }
p { margin: 8px 0 14px; }
ol { padding-left: 22px; }

figure { margin: 20px 0; }
figure img { display: block; width: 100%; border: 1px solid var(--border); border-radius: 6px; background: #293139; }
figcaption { padding-top: 7px; color: var(--muted); font-size: 13px; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.facts > div { min-width: 0; padding: 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.facts strong { display: block; margin-bottom: 4px; color: var(--muted); font-size: 12px; }

pre { margin: 14px 0; padding: 14px; border: 1px solid var(--border); border-radius: 6px; background: #0f1215; color: #dbe5ed; overflow: auto; line-height: 1.5; }
pre code { color: inherit; }
.api-table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--border); border-radius: 6px; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { padding: 9px 11px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--surface-2); color: #dce4eb; font-size: 13px; }
tr:last-child td { border-bottom: 0; }
#no-results { padding: 48px 0; color: var(--muted); text-align: center; }

@media (max-width: 780px) {
  .sidebar { position: static; width: auto; max-height: none; border-right: 0; border-bottom: 1px solid var(--border); }
  nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-link { margin-top: 14px; }
  main { margin-left: 0; }
  .page-header { min-height: 112px; align-items: flex-start; padding: 22px 18px; }
  article { width: calc(100% - 32px); }
  .facts { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
  nav { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
  .header-meta { justify-content: flex-start; }
  h1 { font-size: 32px; }
}