:root{
  --brand:#1f7a5b;
  --text:#111827;
  --muted:#6b7280;
  --bg:#f8fafc;
  --card:#ffffff;
  --border:#e5e7eb;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans","PingFang SC","Hiragino Sans","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:24px}
.header{
  background:var(--card);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.badge{font-size:12px;color:var(--brand);border:1px solid rgba(31,122,91,.25);padding:2px 8px;border-radius:999px;background:#ecfdf5}
.menu{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.hero{
  margin-top:18px;
  background:linear-gradient(180deg,#ecfdf5,rgba(236,253,245,0));
  border:1px solid rgba(31,122,91,.18);
  border-radius:14px;
  padding:22px;
}
.grid{display:grid;grid-template-columns:1.4fr .6fr;gap:18px;margin-top:18px}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
}
h1{font-size:28px;margin:0 0 10px}
h2{font-size:18px;margin:0 0 10px}
p{margin:10px 0}
.kv{margin:10px 0 0}
.kv div{margin:6px 0;color:var(--muted)}
.kv b{color:var(--text)}
.footer{
  margin-top:26px;
  color:var(--muted);
  font-size:13px;
  padding:18px 0;
  border-top:1px solid var(--border);
}
.small{font-size:13px;color:var(--muted)}
ul{margin:10px 0 0;padding-left:18px}
@media (max-width:860px){
  .grid{grid-template-columns:1fr}
}