:root {
  --ink: #292b2e;
  --secondary: #52585d;
  --muted: #71767c;
  --line: #e7e9ec;
  --accent: #842b39;
  --soft-accent: #f9f0f2;
  --green: #2d6648;
  --soft-green: #eef7f2;
  --chinese-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.75; }
html { scroll-padding-top: 24px; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.skip { position: absolute; left: 20px; top: -100px; padding: 10px 16px; background: #fff; z-index: 2; }
.skip:focus { top: 12px; }
.public-header { border-bottom: 1px solid var(--line); }
.public-header .inner { max-width: 1100px; margin: auto; padding: 24px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.public-brand { color: var(--ink); font: 700 30px/1 var(--chinese-font); text-decoration: none; white-space: nowrap; }
.public-brand span { color: var(--accent); display: inline-block; width: .5em; }
.public-nav { display: flex; align-items: center; justify-content: flex-end; gap: 24px; flex-wrap: wrap; }
.public-nav a { font-size: 14px; color: var(--secondary); text-decoration: none; }
.public-nav a:hover, .public-nav a[aria-current="page"] { color: var(--accent); }
.public-nav a[aria-current="page"] { text-decoration: underline; }
.public-nav .primary-link { color: #fff; padding: 9px 16px; }
.public-main { width: min(100% - 64px, 820px); margin: 0 auto; padding: 72px 0 48px; }
.public-hero { padding-bottom: 32px; }
.eyebrow { display: block; margin: 0 0 14px; color: var(--accent); font-size: 12px; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; }
h1 { margin: 0 0 22px; font-size: clamp(34px, 5vw, 52px); line-height: 1.15; letter-spacing: -.035em; font-weight: 650; text-wrap: balance; }
.lede { max-width: 670px; margin: 0; font-size: 19px; line-height: 1.7; color: var(--secondary); }
.page-links { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 0 0 38px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); list-style: none; }
.page-links a { font-size: 14px; text-decoration: none; }
.faq-section { padding: 32px 0; border-bottom: 1px solid var(--line); }
.faq-section h2 { font-size: 24px; line-height: 1.35; letter-spacing: -.02em; margin: 0 0 18px; font-weight: 650; text-wrap: balance; }
.faq-section p { margin: 0 0 16px; color: var(--secondary); }
.faq-section p:last-child { margin-bottom: 0; }
.faq-section ul { padding-left: 22px; margin: 0; color: var(--secondary); }
.faq-section li { padding-left: 3px; margin: 0 0 12px; }
.faq-section strong { color: var(--ink); font-weight: 600; }
.faq-section a, .source-list a { overflow-wrap: anywhere; }
.faq-section .attribution { font-size: 14px; }
.public-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 18px; padding: 30px 0 10px; }
.public-cta h2, .public-cta > p { flex-basis: 100%; margin: 0; }
.public-cta h2 { font-size: 24px; line-height: 1.4; letter-spacing: -.02em; }
.public-cta > p { color: var(--secondary); }
.primary-link, .secondary-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 12px 20px; border-radius: 9px; font-size: 15px; line-height: 1.5; font-weight: 600; text-align: center; text-decoration: none; }
.primary-link { color: #fff; background: var(--accent); }
.primary-link:hover { background: #722432; text-decoration: none; }
.secondary-link { color: var(--green); background: var(--soft-green); }
.secondary-link:hover { background: #e1f0e7; text-decoration: none; }
.public-footer { max-width: 1100px; margin: 0 auto; padding: 28px 32px 36px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px 24px; color: var(--muted); font-size: 13px; }
.public-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.public-footer p { margin: 0; }
.public-footer a { color: var(--secondary); }
.sample-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 24px 0 32px; }
.sample-card { display: flex; flex-direction: column; min-width: 0; padding: 28px; border-radius: 16px; background: var(--soft-green); }
.sample-card h2 { margin: 14px 0 10px; font: 600 26px/1.6 var(--chinese-font); }
.sample-card h2 a { color: var(--ink); text-decoration: none; }
.sample-card p { color: var(--secondary); margin: 0 0 20px; }
.sample-card .sample-label, .sample-label { color: var(--green); font-size: 13px; font-weight: 650; }
.sample-card > .primary-link { align-self: flex-start; margin-top: auto; }
.sample-body { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 32px; }
.sample-body h2, .source-list h2 { font-size: 21px; line-height: 1.4; margin: 0 0 24px; }
.sample-paragraph { margin: 0 0 36px; }
.zh { font: 400 27px/1.95 var(--chinese-font); margin: 0 0 12px; overflow-wrap: anywhere; }
.translation { color: var(--secondary); font-size: 17px; margin: 0; }
.sample-meta { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.source-list { margin-top: 36px; border-top: 1px solid var(--line); padding-top: 28px; font-size: 14px; color: var(--secondary); }
.source-list ul, .source-list ol { padding-left: 22px; }
.source-list li { margin-bottom: 10px; }
@media (max-width: 600px) {
  .public-header .inner { padding: 20px; gap: 16px; align-items: flex-start; }
  .public-brand { font-size: 27px; padding-top: 5px; }
  .public-nav { gap: 8px 16px; }
  .public-nav a { font-size: 13px; }
  .public-nav .primary-link { padding: 7px 12px; min-height: 36px; }
  .public-main { width: calc(100% - 40px); padding-top: 44px; }
  .public-hero { padding-bottom: 24px; }
  .lede { font-size: 17px; }
  .faq-section { padding: 26px 0; }
  .faq-section h2 { font-size: 22px; }
  .sample-grid { grid-template-columns: 1fr; gap: 16px; }
  .sample-card { padding: 24px; }
  .sample-card h2 { font-size: 25px; }
  .zh { font-size: 25px; }
  .translation { font-size: 16px; }
  .public-footer { margin: 0 20px; padding: 24px 0 32px; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }