:root {
  color-scheme: light;
  --paper: #f4f1e9;
  --ink: #24241f;
  --muted: #5d5d54;
  --line: #d4d0c5;
  --accent: #b33a22;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.85; }
a { color: inherit; text-underline-offset: .22em; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.header, .section, .hero-inner, .closing, footer { max-width: 1184px; margin-inline: auto; padding-inline: 40px; }
.header { display: flex; align-items: center; justify-content: space-between; min-height: 92px; gap: 24px; }
.wordmark { font-size: 21px; font-weight: 750; letter-spacing: -.6px; text-decoration: none; white-space: nowrap; }
.wordmark span { color: var(--accent); }
nav { display: flex; gap: 28px; font-size: 14px; }
nav a { text-decoration: none; padding-block: 12px; }
.hero { border-block: 1px solid var(--line); overflow: hidden; }
.hero-inner { padding-top: 64px; padding-bottom: 24px; }
.eyebrow, .section-label { color: var(--accent); font-size: 13px; letter-spacing: .06em; }
.product-name { font-size: clamp(52px, 8.5vw, 102px); line-height: 1.1; font-weight: 750; letter-spacing: -.065em; margin: 24px 0 18px; }
h1 { font-size: clamp(23px, 3.3vw, 36px); line-height: 1.45; letter-spacing: -.03em; margin: 0 0 22px; font-weight: 600; }
.intro { color: var(--muted); font-size: 18px; line-height: 1.8; margin: 0; }
.actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 13px 22px; min-height: 52px; background: var(--ink); color: var(--paper); font-size: 15px; text-decoration: none; transition: background .15s, transform .15s; }
.button:hover { color: #fff; background: var(--accent); transform: translateY(-2px); }
.text-link { display: inline-block; font-size: 14px; padding-block: 10px; }
.release { color: var(--muted); font-size: 12px; margin: 17px 0 0; }
.continuity { margin: 42px 0 0; }
.continuity svg { display: block; width: 100%; height: auto; }
.wave-guide { stroke: var(--line); stroke-width: 1; fill: none; }
.wave { fill: none; stroke: var(--accent); stroke-width: 2; }
figcaption { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-top: 4px; }
.section { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 34px; padding-block: 64px; border-bottom: 1px solid var(--line); scroll-margin-top: 24px; }
.section-label { margin-top: 6px; }
h2 { font-size: clamp(23px, 3vw, 30px); line-height: 1.5; letter-spacing: -.035em; margin: 0 0 24px; font-weight: 650; }
h3 { font-size: 20px; margin: 0 0 16px; }
p { margin: 0 0 18px; }
.note { color: var(--muted); font-size: 14px; }
.table-wrap { overflow-x: auto; margin-bottom: 22px; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
th, td { padding: 16px 12px 16px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-size: 12px; color: var(--muted); font-weight: 500; padding-top: 0; }
tbody th { font-weight: 600; }
code { font-family: "SFMono-Regular", Consolas, monospace; font-size: .87em; overflow-wrap: anywhere; }
.platforms { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-block: 30px 24px; }
.platforms ol { padding-left: 1.25em; margin: 0 0 18px; }
.platforms li { margin-bottom: 14px; }
.platforms p { font-size: 14px; color: var(--muted); }
.document-links { display: flex; flex-wrap: wrap; gap: 12px 28px; }
details { border-top: 1px solid var(--line); }
summary { padding: 18px 22px 18px 0; cursor: pointer; font-weight: 600; font-size: 16px; }
details p { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.closing { padding-block: 68px; }
.closing h2 { font-size: clamp(34px, 5vw, 52px); margin-bottom: 24px; }
footer { border-top: 1px solid var(--line); padding-block: 24px; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: var(--muted); }
.skip-link { position: absolute; left: 20px; top: -100px; background: var(--ink); color: #fff; padding: 12px; z-index: 1; }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 760px) {
  .header, .section, .hero-inner, .closing, footer { padding-inline: 22px; }
  .header { min-height: 76px; gap: 12px; }
  .wordmark { font-size: 17px; }
  nav { gap: 14px; font-size: 12px; }
  nav a:last-child { display: none; }
  .hero-inner { padding-top: 42px; padding-bottom: 20px; }
  .product-name { margin-top: 26px; }
  .intro { font-size: 16px; }
  .desktop-break { display: none; }
  .actions { gap: 12px 22px; margin-top: 26px; }
  .continuity { margin-top: 28px; }
  .section { grid-template-columns: minmax(0, 1fr); gap: 12px; padding-block: 38px; }
  .section-label { margin: 0; }
  .platforms { grid-template-columns: 1fr; gap: 20px; }
  th, td { min-width: 108px; }
  .closing { padding-block: 44px; }
  footer { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .button { transition: none; }
  .button:hover { transform: none; }
}