:root{color-scheme:light;--bg:#f5f0e4;--surface:#fffcf5;--ink:#293c34;--muted:#657168;--accent:#aa4737;--line:#dedfcf}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:4px;overflow-wrap:anywhere}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}header,main,footer{width:min(960px,calc(100% - 48px));margin:auto}header{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:28px 0;border-bottom:1px solid var(--line)}.brand{font-family:Georgia,serif;font-size:29px;font-weight:bold;text-decoration:none;color:var(--ink);line-height:1.3}.brand span{display:block;font:11px/1.8 -apple-system,sans-serif;letter-spacing:1.3px;color:var(--muted);margin-top:3px}nav{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}nav a{color:var(--ink);text-decoration:none}nav a[aria-current]{color:var(--accent)}main{max-width:820px;padding:64px 0 80px}.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--accent)}h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(36px,6vw,58px);line-height:1.15;letter-spacing:-1.4px;white-space:pre-line;margin:22px 0 24px}h2{font-size:23px;line-height:1.5;margin:40px 0 12px}p{margin:0 0 18px}.lead{font-size:21px;color:var(--muted);margin-bottom:44px;max-width:720px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:34px 0}.grid section{padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.grid h2{margin:0 0 12px;font-size:22px}.grid p{font-size:16px;margin:0}.note,footer{font-size:14px;color:var(--muted)}.actions{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin-top:32px}.button{display:inline-block;padding:11px 25px;background:var(--ink);color:#fff;text-decoration:none;border-radius:30px}footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding:25px 0 36px}html[lang="zh-Hans"] h1{letter-spacing:0}@media(max-width:600px){header{align-items:flex-start;flex-direction:column;gap:20px}nav{gap:18px}main{padding:38px 0 52px}.grid{grid-template-columns:1fr}.lead{font-size:19px}h2{font-size:21px}footer{flex-direction:column}}