:root{
  --bg:#faf5ef;
  --card:#ffffff;
  --text:#2c2c2e;
  --muted:#6f6a63;
  --line:#e8e2da;
  --accent:#736c61;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans TC","Noto Sans SC","Hiragino Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
.topbar{
  position:sticky;top:0;z-index:10;
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 20px;border-bottom:1px solid var(--line);
  backdrop-filter:saturate(120%) blur(8px);
  background:rgba(250,245,239,.85);
}
.brand{font-weight:600}
.lang-switch button{
  border:1px solid var(--line);
  background:#fff;color:var(--muted);
  padding:6px 10px;margin-left:6px;border-radius:10px;cursor:pointer;
}
.lang-switch button.active{color:var(--text);border-color:var(--accent)}
.container{max-width:980px;margin:0 auto;padding:28px 18px 60px}
.hero{
  text-align:center;padding:28px 12px 10px;
}
.hero h1{
  margin:0 0 10px;
  font-size:clamp(28px,4vw,42px);
  font-weight:600;
  letter-spacing:.2px;
}
.hero p{color:var(--muted);margin:0 auto 18px;max-width:720px}
.cta-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;text-decoration:none;border-radius:12px;
  padding:10px 16px;border:1px solid var(--line);
}
.btn.primary{background:var(--text);color:#fff;border-color:var(--text)}
.btn.ghost{background:#fff;color:var(--text)}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:18px 18px;margin-top:14px;
}
.card h2,.card h3{margin:0 0 8px}
.card p, .card li, .card small{color:var(--muted)}
.grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px;
}
.footer{
  text-align:center;color:var(--muted);padding:28px 16px 40px;
  border-top:1px solid var(--line);
}
a{color:#3d5a80}
@media (max-width:760px){
  .grid{grid-template-columns:1fr}
}