:root {
  color-scheme: light;
  --bg: #f6f5f1;
  --surface: #fff;
  --text: #172126;
  --muted: #586970;
  --line: #dce3e2;
  --accent: #087a78;
  --accent-soft: #e5f5f3;
  --warn: #8a5700;
  --warn-soft: #fff5df;
  --max: 920px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); overflow-wrap: anywhere; }
button, select { font: inherit; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 227, 226, .9);
  background: rgba(246, 245, 241, .94);
  backdrop-filter: blur(12px);
}
.topbar-inner, main, footer { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.topbar-inner { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { color: var(--text); font-weight: 750; text-decoration: none; white-space: nowrap; }
.nav { display: flex; align-items: center; gap: 10px; }
.nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
.language {
  max-width: 160px;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 7px 30px 7px 10px;
}
main { padding: 34px 0 54px; }
.hero, .legal-card, .summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.hero { padding: 30px; }
.eyebrow { margin: 0 0 6px; color: var(--accent); font-size: 13px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(30px, 6vw, 46px); line-height: 1.18; letter-spacing: -.025em; }
.lead { margin: 14px 0 0; color: var(--muted); font-size: 17px; }
.meta { margin-top: 20px; display: grid; gap: 4px; color: var(--muted); font-size: 14px; }
.platform-box { margin-top: 22px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: #fbfcfb; }
.platform-title { margin: 0 0 10px; font-size: 15px; font-weight: 750; }
.platform-switch { display: flex; flex-wrap: wrap; gap: 8px; }
.platform-switch button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 8px 15px;
  cursor: pointer;
}
.platform-switch button[aria-pressed="true"] { color: #fff; border-color: var(--accent); background: var(--accent); }
.platform-status { margin: 11px 0 0; color: var(--muted); font-size: 14px; }
.translation-note, .status-note { margin: 18px 0 0; padding: 13px 15px; border-radius: 10px; font-size: 14px; }
.translation-note { color: var(--warn); background: var(--warn-soft); border: 1px solid #eed7a9; }
.status-note { color: #205d5b; background: var(--accent-soft); border: 1px solid #bfe3df; }
.legal-card { margin-top: 18px; padding: 12px 28px 28px; }
.legal-section { padding: 23px 0 2px; }
.legal-section + .legal-section { border-top: 1px solid var(--line); }
.platform-heading { margin: 22px -10px 0; padding: 13px 16px; border-radius: 9px; color: #175b59; background: var(--accent-soft); font-weight: 800; }
h2 { margin: 0; font-size: 21px; line-height: 1.4; }
p { margin: 9px 0 0; }
ul { margin: 8px 0 0; padding-left: 1.35em; }
li + li { margin-top: 6px; }
.summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.summary-card { padding: 22px; }
.summary-card h2 { font-size: 19px; }
.summary-card .button { display: inline-flex; margin-top: 15px; min-height: 42px; align-items: center; padding: 8px 13px; border-radius: 8px; color: #fff; background: var(--accent); text-decoration: none; font-weight: 700; }
footer { padding: 0 0 34px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 8px; }
@media (max-width: 720px) {
  .topbar-inner { align-items: flex-start; padding: 10px 0; }
  .nav { justify-content: flex-end; flex-wrap: wrap; }
  .nav a { display: none; }
  .hero { padding: 22px 20px; }
  .legal-card { padding: 4px 20px 22px; }
  .summary-grid { grid-template-columns: 1fr; }
  .platform-switch button { flex: 1 1 28%; }
}
@media print {
  .topbar, .platform-switch, footer { display: none; }
  body { background: #fff; }
  main { width: 100%; padding: 0; }
  .hero, .legal-card { border: 0; }
}