:root { color-scheme: dark; --bg: #101413; --panel: #191f1d; --line: #303b35; --text: #edf3ef; --muted: #9daea4; --accent: #b2e8c3; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif; font-size: 15px; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button { font: inherit; cursor: pointer; }
.shell { max-width: 1120px; margin: auto; padding: 0 36px; }
.topbar { min-height: 90px; display: flex; justify-content: space-between; align-items: center; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 650; letter-spacing: .03em; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 24px; color: var(--muted); font-size: 13px; }
.intro { padding: 64px 0 38px; }
.eyebrow { color: var(--accent); font-size: 11px; letter-spacing: .18em; margin: 0 0 20px; }
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.25; letter-spacing: -.03em; font-weight: 650; margin: 0 0 20px; }
.lead { color: var(--muted); font-size: 17px; margin: 0 0 26px; }
.notice { display: flex; align-items: flex-start; gap: 12px; color: var(--muted); font-size: 13px; }
.notice p { margin: 0; }
.notice strong { color: var(--text); font-weight: 500; }
.notice-dot { flex: none; width: 7px; height: 7px; margin-top: 8px; border-radius: 50%; background: var(--accent); }
.categories { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 42px; }
.categories a { border: 1px solid var(--line); padding: 7px 17px; border-radius: 6px; font-size: 13px; }
.categories a:first-child { color: var(--accent); border-color: #536b5b; background: #202c24; }
.categories a:hover { border-color: var(--accent); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 15px; }
.section-heading h2 { margin: 0; font-size: 17px; font-weight: 550; }
.section-heading > span { font-size: 12px; color: var(--muted); }
.interfaces { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.component { background: var(--panel); padding: 28px; border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.component#web { grid-column: 1 / -1; }
.component-heading { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.number { font: 12px ui-monospace, Consolas, monospace; color: var(--muted); }
.component h2 { font-size: 24px; line-height: 1.4; margin: 0; font-weight: 600; }
.version { color: var(--accent); background: #25392c; font: 12px ui-monospace, Consolas, monospace; padding: 5px 9px; border-radius: 5px; margin-left: auto; }
.description { margin: 12px 0 23px; color: var(--muted); font-size: 14px; }
.download-row { display: flex; align-items: center; gap: 17px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; gap: 24px; padding: 9px 16px; border-radius: 6px; font-weight: 600; font-size: 14px; }
.primary { color: #132219; background: var(--accent); }
.primary:hover { color: #132219; background: #ccf5d8; }
.text-link { color: var(--muted); font-size: 13px; }
.meta { font-size: 12px; color: var(--muted); }
.filename { color: var(--muted); font: 11px/1.6 ui-monospace, Consolas, monospace; overflow-wrap: anywhere; margin: 13px 0 0; }
.install { margin-top: 23px; }
.install p { font-size: 12px; color: var(--muted); margin: 0 0 8px; }
.command { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 6px; background: #111814; border: 1px solid #27352c; }
code { font: 12px/1.8 ui-monospace, Consolas, monospace; overflow-wrap: anywhere; word-break: break-word; }
.command code { flex: 1; min-width: 0; }
.copy { border: 0; background: #27382e; border-radius: 4px; color: var(--accent); font-size: 12px; padding: 4px 9px; flex: none; }
.copy:hover { background: #364c3e; }
summary { cursor: pointer; }
.checksum { color: var(--muted); font-size: 12px; margin-top: 17px; }
.checksum code { display: block; padding: 12px 0 0; font-size: 11px; }
.history { margin-top: 22px; padding-top: 17px; border-top: 1px solid var(--line); }
.history summary { font-size: 13px; }
.history summary > span { color: var(--muted); margin-left: 8px; font: 11px ui-monospace, Consolas, monospace; }
.history ul { padding: 0; margin: 12px 0 0; list-style: none; }
.history li { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); }
.history li strong { font: 13px ui-monospace, Consolas, monospace; }
.history li .meta { display: block; margin-top: 3px; }
.history-links { display: flex; gap: 17px; font-size: 12px; flex-wrap: wrap; justify-content: flex-end; }
.history-download { color: var(--accent); }
.core-section { border: 1px solid var(--line); border-radius: 12px; margin-top: 24px; }
.core-section > summary { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 22px 28px; list-style: none; }
.core-section > summary::-webkit-details-marker { display: none; }
.core-section > summary strong { font-weight: 500; font-size: 15px; }
.core-section > summary div > span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.expand { font-size: 22px; color: var(--muted); }
.core-section[open] .expand { transform: rotate(45deg); }
.core-section .component { border: 0; border-top: 1px solid var(--line); border-radius: 0 0 12px 12px; }
.help { padding: 38px 0 30px; max-width: 760px; }
.help h2 { font-size: 16px; font-weight: 550; margin: 0 0 12px; }
.help p, .help a { font-size: 13px; color: var(--muted); }
.help a { color: var(--accent); }
footer { border-top: 1px solid var(--line); padding: 23px 0 36px; display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 12px; }
footer > span { margin-right: auto; }
.skip-link { position: absolute; top: -100px; left: 15px; padding: 8px 14px; background: var(--accent); color: #132219; }
.skip-link:focus { top: 10px; }
@media (max-width: 680px) {
  .shell { padding: 0 20px; }
  .topbar { min-height: 80px; gap: 14px; flex-wrap: wrap; padding: 18px 0; }
  .brand { font-size: 14px; }
  .topbar nav { gap: 16px; font-size: 12px; }
  .intro { padding-top: 40px; }
  .lead { font-size: 14px; }
  .categories { margin-bottom: 30px; gap: 6px; }
  .categories a { padding: 6px 11px; font-size: 12px; }
  .interfaces { grid-template-columns: minmax(0, 1fr); }
  .component { padding: 22px 18px; }
  .component h2 { font-size: 22px; }
  .core-section > summary { padding: 20px 18px; }
  .download-row { gap: 12px; }
  .download-row .meta { flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }