:root{
  --bg:#FAF6EE; --paper:#FFFFFF; --ink:#241E17; --muted:#6E6355; --faint:#9C9080;
  --line:#E8DFCE; --brand:#C15A2E; --brand-d:#A2481F; --brand-bright:#D9682E; --brand-tint:#FBEEE3;
  --disp:'Hanken Grotesk','Noto Sans SC',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--disp);font-size:16px;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:var(--brand-d);text-decoration:none} a:hover{text-decoration:underline}
.zh{display:none} body.lang-zh .en{display:none} body.lang-zh .zh{display:inline}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}

.nav{position:sticky;top:0;z-index:20;background:rgba(250,250,248,.85);backdrop-filter:saturate(1.3) blur(12px);border-bottom:1px solid var(--line)}
.nav .row{display:flex;align-items:center;gap:14px;height:64px;max-width:1120px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px}
.mark{width:34px;height:34px;border-radius:10px;flex:none}
.logo b{font-weight:800;font-size:16px;letter-spacing:-.01em} .logo .amp{color:var(--brand-bright)}
.nav .sp{margin-left:auto}
.langbtn{font-size:13px;color:var(--muted);font-weight:600;border:1px solid var(--line);border-radius:100px;padding:5px 12px;background:var(--paper);cursor:pointer}
.back{font-size:13.5px;color:var(--muted);font-weight:600;margin-left:12px}

article{padding:52px 0 30px}
.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--brand-d);font-weight:700}
h1{font-family:var(--disp);font-weight:800;letter-spacing:-.03em;font-size:clamp(30px,5vw,44px);margin:14px 0 8px;line-height:1.1}
.updated{color:var(--faint);font-size:13.5px;margin-bottom:8px}
h2{font-family:var(--disp);font-weight:700;letter-spacing:-.02em;font-size:20px;margin:36px 0 10px;color:var(--ink)}
p{color:#3a3a3d;margin:12px 0}
ul{margin:12px 0;padding-left:22px} li{margin:7px 0;color:#3a3a3d}
.lead{font-size:17.5px;color:var(--muted);margin:8px 0 4px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:22px 0}
.card b{color:var(--ink)}
.muted{color:var(--muted)}
strong{color:var(--ink)}

footer{border-top:1px solid var(--line);background:var(--paper);margin-top:40px;padding:34px 0}
.foot{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between;align-items:center;font-size:13px;color:var(--faint)}
.foot a{color:var(--muted)}
.foot .co{max-width:520px;line-height:1.6}
.legalnav{display:flex;gap:18px;flex-wrap:wrap}