:root{color-scheme:light;--ink:#202b28;--muted:#5b6762;--paper:#faf9f5;--line:#dedfd5;--accent:#235c48;--warm:#eee8d9;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);line-height:1.8}a{color:var(--accent);text-underline-offset:4px;overflow-wrap:anywhere}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #c18732;outline-offset:5px}header,main,footer{width:min(100% - 40px,980px);margin:auto}header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.brand{font-weight:750;font-size:18px;text-decoration:none;color:var(--ink)}.brand span{display:inline-grid;place-items:center;width:36px;height:36px;margin-right:10px;background:var(--accent);color:white;border-radius:12px}nav{display:flex;gap:24px;font-size:14px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent)}.hero{padding:72px 0 48px;max-width:770px}h1{font-size:clamp(32px,5vw,52px);line-height:1.22;letter-spacing:-.03em;margin:16px 0 24px}h2{font-size:23px;line-height:1.45;margin:0 0 12px}h3{font-size:18px;margin:0 0 10px}.lead{font-size:19px;color:var(--muted);max-width:690px}.badge{display:inline-block;background:var(--warm);padding:5px 13px;border-radius:30px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:36px}.card{padding:26px;background:white;border:1px solid var(--line);border-radius:20px}.card p{margin:0;color:var(--muted)}.number{display:block;color:var(--accent);font-size:12px;font-weight:700;margin-bottom:20px}.section{padding:32px 0;border-top:1px solid var(--line)}.section p{max-width:800px}.callout{padding:24px 28px;border-radius:18px;background:var(--warm);margin:24px 0 44px}.callout p{margin:6px 0}.button{display:inline-block;margin:12px 0 0;padding:10px 20px;border-radius:10px;background:var(--accent);color:white;font-weight:600;text-decoration:none}.policy{max-width:780px}.policy .hero{padding-bottom:28px}.policy h1{font-size:40px}.policy section{padding:24px 0;border-top:1px solid var(--line)}.policy h2{font-size:21px}.policy li{margin-bottom:10px}.policy code{font-size:13px;overflow-wrap:anywhere}.meta{font-size:14px;color:var(--muted)}footer{margin-top:38px;padding:25px 0 36px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer p{margin:4px 0}.skip{position:absolute;left:12px;top:-80px;background:white;padding:8px}.skip:focus{top:8px}@media(max-width:640px){header,main,footer{width:calc(100% - 32px)}header{align-items:flex-start;flex-direction:column;gap:14px;padding:18px 0}nav{gap:22px}.hero{padding:42px 0 28px}.lead{font-size:17px}.grid{grid-template-columns:1fr;gap:12px}.card{padding:22px}.number{margin-bottom:8px}.callout{padding:20px}.policy h1{font-size:32px}.policy ul{padding-left:22px}}