:root{color-scheme:dark;--bg:#0d1110;--surface:#141a17;--line:#34403a;--text:#eff3ef;--muted:#b5c0b8;--red:#e9654e;--green:#75ce98;--gold:#e3ba68}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:15px/1.8 "Microsoft YaHei","PingFang SC",sans-serif;letter-spacing:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--green)}
a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.wrap{width:min(1080px,calc(100% - 48px));margin-inline:auto}
.topbar{border-bottom:1px solid var(--line);background:#111613}
.topbar-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:20px;font-weight:800}
.brand img{display:block;width:38px;height:32px}
.brand b{color:var(--red)}
.topbar nav,.page-nav,.footer-links{display:flex;flex-wrap:wrap;gap:10px 23px}
.topbar nav{font-size:13px;color:#d9e1db}
.intro{padding:54px 0 43px;border-bottom:1px solid var(--line)}
.eyebrow{margin:0 0 8px;color:var(--gold);font-size:12px;font-weight:700}
h1,h2,h3{letter-spacing:0;line-height:1.35}
h1{margin:0;font-size:36px}
.intro>p:not(.eyebrow){max-width:760px;margin:15px 0 0;color:var(--muted);font-size:16px}
.meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:19px;color:var(--muted);font-size:12px}
.page-nav{padding:18px 0;border-bottom:1px solid var(--line);font-size:13px}
.page-nav a{color:var(--green)}
.document{padding:7px 0 72px}
.document section{display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:28px;padding:30px 0;border-bottom:1px solid var(--line)}
.document section:last-child{border-bottom:0}
.document h2{margin:0;font-size:18px}
.document h3{margin:22px 0 7px;font-size:15px;color:var(--text)}
.document p{margin:0 0 12px;color:var(--muted)}
.document p:last-child{margin-bottom:0}
.document ul,.document ol{margin:0;padding-left:20px;color:var(--muted)}
.document li+li{margin-top:8px}
.document strong{color:var(--text)}
.document a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.note{padding:13px 16px;border-left:3px solid var(--gold);background:#1e211b;color:#e8d6ad!important}
.support-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
.support-list article{padding:0 0 16px;border-bottom:1px solid var(--line)}
.support-list h3{margin:0 0 5px}
.support-list p{margin:0}
footer{padding:26px 0 34px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.footer-inner{display:flex;justify-content:space-between;gap:20px}
.footer-inner p{margin:0}
.footer-links a{color:#e2e9e3}
@media(max-width:700px){.wrap{width:calc(100% - 32px)}.topbar-inner{min-height:62px;align-items:flex-start;flex-direction:column;justify-content:center;gap:6px;padding:10px 0}.topbar nav{gap:5px 16px}.intro{padding:34px 0 29px}h1{font-size:29px}.document section{display:block;padding:25px 0}.document h2{margin-bottom:12px}.support-list{grid-template-columns:1fr}.footer-inner{display:block}.footer-links{margin-top:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}