:root {
  color-scheme: light;
  --ink: #10271f;
  --muted: #586b64;
  --line: #d9e6df;
  --paper: #fbfdfb;
  --surface: #ffffff;
  --mint: #e8f7ef;
  --green: #176b4a;
  --green-strong: #0e5138;
  --amber: #f3a83b;
  --shadow: 0 16px 44px rgba(17, 70, 50, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f3faf6 0, var(--paper) 420px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.75;
}
a { color: var(--green); text-underline-offset: 3px; }
a:hover { color: var(--green-strong); }
.skip { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; background: #fff; border-radius: 8px; }
.skip:focus { top: 12px; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(251,253,251,.9);
  border-bottom: 1px solid rgba(217,230,223,.9);
}
.header-inner, main, .footer-inner { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.header-inner { min-height: 70px; display: flex; gap: 18px; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 750; }
.brand-mark { width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; background: var(--green); color: #fff; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.language-switch { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: #fff; }
.language-switch button { border: 0; background: transparent; padding: 7px 11px; border-radius: 999px; color: var(--muted); cursor: pointer; }
.language-switch button[aria-pressed="true"] { background: var(--green); color: #fff; }
.hero { padding: 72px 0 40px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 42px; align-items: center; }
.eyebrow { color: var(--green); font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
h1 { max-width: 820px; margin: 10px 0 18px; font-size: clamp(38px, 6vw, 70px); line-height: 1.06; letter-spacing: -.035em; }
.lead { max-width: 780px; color: var(--muted); font-size: 18px; }
.hero-card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 24px; box-shadow: var(--shadow); }
.hero-card strong { display: block; font-size: 17px; margin-bottom: 8px; }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 999px; background: var(--mint); color: var(--green-strong); font-size: 13px; font-weight: 700; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.notice { margin: 18px 0 0; padding: 14px 16px; border-left: 4px solid var(--amber); border-radius: 8px; background: #fff8ec; color: #6a4c1e; }
.layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 34px; align-items: start; padding-bottom: 80px; }
.toc { position: sticky; top: 94px; padding: 18px; background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: 18px; max-height: calc(100vh - 116px); overflow: auto; }
.toc strong { display: block; margin-bottom: 10px; }
.toc a { display: block; padding: 7px 9px; border-radius: 8px; text-decoration: none; color: var(--muted); font-size: 14px; }
.toc a:hover, .toc a.active { background: var(--mint); color: var(--green-strong); }
.policies { min-width: 0; }
.policy { scroll-margin-top: 96px; margin-bottom: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: clamp(22px, 4vw, 42px); box-shadow: var(--shadow); }
.policy h2 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 42px); line-height: 1.15; }
.policy h3 { margin-top: 30px; font-size: 21px; line-height: 1.35; }
.policy h4 { margin: 24px 0 6px; font-size: 17px; }
.meta { color: var(--muted); font-size: 14px; }
.summary { margin: 20px 0; padding: 18px 20px; border-radius: 14px; background: var(--mint); }
.policy table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.policy th, .policy td { text-align: left; vertical-align: top; border: 1px solid var(--line); padding: 11px 12px; }
.policy th { background: #f3f8f5; }
.policy ul, .policy ol { padding-left: 22px; }
.english { border-top: 1px dashed var(--line); margin-top: 38px; padding-top: 30px; }
body[data-language="zh"] .english { display: none; }
body[data-language="en"] .chinese { display: none; }
.anchor-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 0; }
.anchor-links a { display: inline-flex; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; text-decoration: none; font-size: 14px; }
.site-footer { border-top: 1px solid var(--line); background: #f1f7f3; }
.footer-inner { padding: 34px 0 48px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 18px; }
.route-banner { display: none; margin-bottom: 22px; padding: 13px 16px; border-radius: 12px; background: #10271f; color: #fff; }
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .layout { grid-template-columns: 1fr; }
  .toc { position: relative; top: auto; max-height: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toc strong { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .brand span:last-child { display: none; }
  .header-inner, main, .footer-inner { width: min(100% - 20px, 1160px); }
  .policy { border-radius: 18px; }
  .toc { grid-template-columns: 1fr; }
  .footer-inner { display: block; }
  .footer-links { margin-top: 14px; }
  .policy table { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
@media print { .site-header, .toc, .hero-card, .anchor-links { display: none !important; } .hero { padding: 20px 0; display: block; } .layout { display: block; } .policy { break-inside: avoid; box-shadow: none; border-color: #bbb; } }