
:root{color-scheme:light;--ink:#20242a;--muted:#606b78;--line:#dfe3e8;--red:#bd2028;--paper:#fff;--soft:#f5f7f9}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:var(--red);text-underline-offset:4px;overflow-wrap:anywhere}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--red);outline-offset:5px}.skip{position:absolute;left:16px;top:-80px;background:white;padding:8px}.skip:focus{top:12px}header,main,footer{max-width:1120px;margin:auto;padding:0 40px}header{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{color:var(--ink);text-decoration:none;font-weight:650;font-size:18px;letter-spacing:-.3px}.brand span{color:var(--red)}nav{display:flex;flex-wrap:wrap;gap:12px 25px;font-size:14px}nav a{color:var(--ink)}nav a[aria-current=page]{color:var(--red)}main{padding-top:64px;padding-bottom:76px}.intro{max-width:820px}h1{font-family:Georgia,"Microsoft YaHei",serif;font-size:clamp(30px,5vw,49px);font-weight:500;line-height:1.22;letter-spacing:-1px;margin:0 0 22px}h2{font-size:22px;line-height:1.45;margin:38px 0 12px;font-weight:650}h3{font-size:18px;margin:0 0 8px}.lead{font-size:19px;line-height:1.8;margin:0 0 20px}.muted,.translation{color:var(--muted)}.translation{font-size:15px}.meta{font-size:14px;color:var(--muted);margin:0 0 34px}.policy-links{display:flex;flex-wrap:wrap;gap:14px 32px;margin:28px 0 48px;font-size:18px}.overview{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid var(--line);padding-top:28px;margin-top:38px}.overview p{margin:0 0 12px}.note{border-left:3px solid var(--red);padding:8px 0 8px 20px;margin:30px 0;background:var(--paper)}.legal-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:56px}.toc{align-self:start;position:sticky;top:26px;font-size:14px;line-height:1.7}.toc ol{padding-left:20px;margin:0}.toc li{margin:0 0 12px}.toc a{color:var(--muted)}article{max-width:760px;min-width:0}article section{border-top:1px solid var(--line);padding-top:4px}article section h2{margin-top:25px}article p{margin:10px 0 18px}ul{padding-left:23px}li{padding-left:3px;margin:7px 0}footer{border-top:1px solid var(--line);padding-top:25px;padding-bottom:32px;font-size:14px;display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:space-between}.footer-links{display:flex;flex-wrap:wrap;gap:12px 22px}@media(max-width:760px){header,main,footer{padding-left:22px;padding-right:22px}header{align-items:flex-start;flex-direction:column;justify-content:center;padding-top:20px;padding-bottom:20px;gap:12px}main{padding-top:38px;padding-bottom:46px}.legal-layout{grid-template-columns:1fr;gap:28px}.toc{position:static;padding:18px;background:var(--soft)}.overview{grid-template-columns:1fr;gap:20px}h1{letter-spacing:-.4px}.lead{font-size:17px}footer{flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
