:root { color-scheme: light; --ink: #163b4b; --muted: #47616a; --paper: #f6f5ef; --line: #d6ded8; --mint: #c8ece2; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Segoe UI", "Microsoft JhengHei", sans-serif; font-size: 17px; line-height: 1.85; }
a { color: #146454; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid #aa6317; outline-offset: 5px; border-radius: 3px; }
.skip-link { position: absolute; top: -100px; left: 12px; padding: 8px 16px; background: white; z-index: 2; }
.skip-link:focus { top: 12px; }
.preview-banner { padding: 10px 20px; background: var(--ink); color: white; font-size: 14px; letter-spacing: .04em; text-align: center; }
.site-header { max-width: 1120px; margin: auto; padding: 24px 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); font-weight: 700; line-height: 1.4; }
.brand img { flex: 0 0 40px; }
nav { display: flex; flex-wrap: wrap; gap: 6px; }
nav a { padding: 6px 13px; color: var(--muted); text-decoration: none; border-radius: 24px; font-size: 15px; }
nav a[aria-current="page"] { color: var(--ink); background: var(--mint); font-weight: 700; }
main { max-width: 1000px; margin: auto; padding: 42px 32px 64px; }
.page-intro { padding: 18px 0 30px; }
.hero { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 26px 0 38px; }
.hero-icon { flex: 0 0 176px; }
.eyebrow { font-size: 13px; letter-spacing: .12em; font-weight: 700; color: #146454; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 4.5vw, 48px); line-height: 1.2; letter-spacing: -.025em; margin: 0 0 18px; overflow-wrap: anywhere; }
.intro-note { margin: 0; color: var(--muted); }
.review-notice { border: 1px solid #dcc994; border-left: 4px solid #a96715; background: #fff8e7; padding: 16px 20px; font-size: 15px; border-radius: 0 10px 10px 0; margin-bottom: 30px; }
.policy { background: #fff; padding: 30px 34px; border: 1px solid var(--line); border-radius: 18px; overflow-wrap: anywhere; }
.policy p { margin: 0 0 23px; }
.policy p:last-child { margin-bottom: 0; }
.policy h2 { font-size: 23px; line-height: 1.4; margin: 40px 0 18px; }
.policy h2:first-child { margin-top: 0; }
.policy ul { padding-left: 24px; }
mark { background: #ffebae; color: #653e0c; padding: 1px 5px; border-radius: 4px; font-size: .9em; font-weight: 700; }
.examples, .release { margin-top: 36px; }
.examples h2, .release h2 { font-size: 22px; line-height: 1.4; margin: 0 0 18px; }
.example-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
blockquote { margin: 0; padding: 22px; background: #e6eee8; border-radius: 12px; font-size: 16px; }
.caption { font-size: 14px; color: var(--muted); }
.release p { font-size: 15px; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding: 26px 24px 36px; text-align: center; color: var(--muted); font-size: 13px; }
footer p { margin: 4px 0; }
@media (max-width: 640px) {
  body { font-size: 16px; }
  .site-header { padding: 20px; align-items: flex-start; flex-direction: column; gap: 16px; }
  nav { width: 100%; gap: 4px; }
  nav a { padding: 6px 11px; }
  main { padding: 24px 18px 40px; }
  .hero { align-items: flex-start; flex-direction: column-reverse; gap: 20px; padding-top: 6px; }
  .hero-icon { width: 96px; height: 96px; flex-basis: auto; }
  .policy { padding: 24px 20px; border-radius: 14px; }
  .review-notice { padding: 14px 16px; }
  .example-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.demo-video { display: block; width: 100%; height: auto; border-radius: 12px; }
details { margin-block: 24px; }
details summary { cursor: pointer; font-weight: 700; }
details pre { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; }