:root {
  --ink: #19201f;
  --muted: #58645f;
  --green: #275e52;
  --green-dark: #153f36;
  --paper: #f7f4ec;
  --card: #fffdf8;
  --line: #d8e0d9;
  --gold: #9a752f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.8;
}
a { color: inherit; }
.zh-shell { width: min(100% - 36px, 1080px); margin: 0 auto; }
.zh-header { background: #fffdf8; border-bottom: 1px solid var(--line); }
.zh-header-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.zh-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--green-dark); font-weight: 800; text-decoration: none; letter-spacing: .05em; }
.zh-brand img { width: 38px; height: 38px; object-fit: contain; }
.zh-nav { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 14px; font-size: 13px; font-weight: 700; }
.zh-nav a { color: var(--green); text-decoration: none; }
.zh-lang { padding: 7px 11px; border: 1px solid var(--green); border-radius: 999px; }
.zh-hero { padding: 76px 0 60px; background: linear-gradient(135deg, #e7f1ec, var(--paper) 72%); }
.zh-kicker { margin: 0 0 12px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .13em; }
h1, h2, h3 { color: var(--green-dark); line-height: 1.25; }
h1 { max-width: 850px; margin: 0; font-size: clamp(34px, 6vw, 62px); letter-spacing: -.02em; }
h2 { margin: 0 0 14px; font-size: clamp(25px, 4vw, 38px); }
h3 { margin: 0 0 8px; font-size: 21px; }
.zh-lead { max-width: 780px; margin: 20px 0 0; color: #40574f; font-size: 18px; }
.zh-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.zh-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; border-radius: 8px; background: var(--green); color: #fff; font-weight: 800; text-decoration: none; }
.zh-button.alt { background: #fff; color: var(--green); border: 1px solid #a9c4b6; }
.zh-section { padding: 58px 0 70px; }
.zh-section + .zh-section { border-top: 1px solid var(--line); }
.zh-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 26px; }
.zh-card { padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.zh-card p, .zh-card li { color: var(--muted); font-size: 15px; }
.zh-card ul { margin: 0; padding-left: 22px; }
.zh-band { margin-top: 28px; padding: 28px; border-radius: 15px; background: var(--green-dark); color: #e4eee9; }
.zh-band h2, .zh-band h3 { color: #fff; }
.zh-band p { max-width: 820px; }
.zh-notice { margin-top: 28px; padding: 18px 20px; border-left: 4px solid #b99655; background: #f4efe3; color: #5d533f; font-size: 14px; }
.zh-faq { margin-top: 28px; }
.zh-faq details { padding: 15px 0; border-top: 1px solid var(--line); }
.zh-faq summary { cursor: pointer; color: var(--green); font-weight: 800; }
.zh-faq p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.zh-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 25px; }
.zh-meta div { padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.65); }
.zh-meta strong { display: block; color: var(--green-dark); }
.zh-meta span { color: var(--muted); font-size: 13px; }
.zh-footer { padding: 28px 0; border-top: 1px solid var(--line); color: #697770; font-size: 13px; background: #fffdf8; }
.zh-footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 8px; }
.zh-footer a { color: var(--green); font-weight: 700; text-decoration: none; }
@media (max-width: 700px) {
  .zh-shell { width: min(100% - 30px, 1080px); }
  .zh-header-row { align-items: flex-start; padding: 12px 0; }
  .zh-nav { gap: 9px; font-size: 12px; }
  .zh-hero { padding: 52px 0 44px; }
  .zh-lead { font-size: 16px; }
  .zh-grid, .zh-meta { grid-template-columns: 1fr; }
  .zh-section { padding: 44px 0 54px; }
  .zh-band { padding: 23px 19px; }
  .zh-actions { display: grid; }
  .zh-button { width: 100%; text-align: center; }
}