:root {
  --chili: #FF3B47;
  --chili-dark: #D6232E;
  --chili-soft: #FFE8E5;
  --ember: #FF7A45;
  --bg: #FFFFFF;
  --bg-soft: #FAF8F6;
  --bg-warm: #FFF4EE;
  --line: #ECE7E2;
  --line-strong: #D9D2CC;
  --ink: #0E0E10;
  --ink-2: #2A2A2D;
  --ink-3: #5C5C63;
  --ink-4: #9A9AA1;
  --f-display: "PingFang SC", "SF Pro Display", "Helvetica Neue", -apple-system, system-ui, sans-serif;
  --f-text: "PingFang SC", "SF Pro Text", -apple-system, system-ui, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { background: var(--bg-warm); }
body {
  font-family: var(--f-text);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.75;
  font-size: 15px;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
}
.page {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg);
  min-height: 100vh;
  box-shadow: 0 0 0 1px var(--line);
}
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar a.back {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 999px;
  color: var(--ink-2); text-decoration: none;
  transition: background .15s;
}
.topbar a.back:hover { background: var(--bg-soft); }
.topbar .title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.legal-links { flex: 0 0 100%; width: 100%; display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.legal-links::-webkit-scrollbar { display: none; }
.legal-links a { white-space: nowrap; color: var(--ink-3); font-size: 13px; font-weight: 650; padding: 7px 10px; border-radius: 999px; text-decoration: none; }
.legal-links a:hover, .legal-links a:active { color: var(--ink); background: var(--bg-soft); }
.hero {
  padding: 28px 22px 18px;
  background: linear-gradient(180deg, var(--chili-soft) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.hero .badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--chili-dark);
  background: #fff; border: 1px solid var(--chili-soft);
  padding: 4px 10px; border-radius: 999px;
  font-weight: 600;
}
.hero h1 {
  font-family: var(--f-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: 10px;
  color: var(--ink);
}
.hero .meta {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-3);
}
article {
  padding: 24px 22px 80px;
}
article h2 {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 28px;
  margin-bottom: 10px;
  padding-left: 12px;
  border-left: 4px solid var(--chili);
  line-height: 1.4;
}
article h3 {
  font-family: var(--f-display);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink-2);
  margin-top: 18px;
  margin-bottom: 8px;
}
article p {
  font-size: 15px;
  color: var(--ink-2);
  margin: 10px 0;
  line-height: 1.85;
}
article ul {
  margin: 8px 0 12px;
  padding-left: 20px;
}
article li {
  font-size: 15px;
  color: var(--ink-2);
  margin: 4px 0;
  line-height: 1.8;
}
article li::marker { color: var(--chili); }
article a {
  color: var(--chili-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--chili-soft);
}
article a:hover { border-bottom-color: var(--chili); }
.footer-sep {
  height: 1px; background: var(--line);
  margin: 36px 22px 0;
}
footer.foot {
  padding: 18px 22px 28px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-4);
}
footer.foot a {
  color: var(--ink-3); text-decoration: none;
  margin: 0 6px;
}
footer.foot .links { margin-bottom: 6px; }
@media (max-width: 480px) {
  body { font-size: 14.5px; }
  .hero h1 { font-size: 22px; }
  article h2 { font-size: 17px; }
  article p, article li { font-size: 14.5px; }
}
@media (min-width: 900px) {
  html, body { background: linear-gradient(180deg, var(--bg-warm) 0%, #fff 420px); }
  body { font-size: 16px; padding-top: 0; }
  .page {
    width: min(100% - 64px, 1200px);
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: none;
  }
  .topbar {
    padding: 18px 0;
    background: rgba(255,255,255,0.9);
    flex-wrap: nowrap;
  }
  .topbar .title { font-size: 18px; letter-spacing: 0; }
  .legal-links { flex: 0 1 auto; width: auto; margin-left: auto; padding-bottom: 0; }
  .legal-links a { font-size: 14px; }
  .hero {
    padding: 58px 140px 46px;
    border-bottom: 0;
  }
  .hero .badge { font-size: 13px; }
  .hero h1 {
    font-size: 42px;
    letter-spacing: 0;
  }
  .hero .meta { font-size: 15px; }
  article {
    max-width: 920px;
    margin: 0 auto;
    padding: 18px 0 96px;
  }
  article h2 {
    font-size: 22px;
    margin-top: 38px;
  }
  article h3 { font-size: 17px; }
  article p, article li {
    font-size: 16px;
    line-height: 1.9;
  }
  .footer-sep {
    max-width: 920px;
    margin: 24px auto 0;
  }
  footer.foot {
    padding: 22px 0 34px;
    font-size: 13px;
  }
}