@font-face{font-family:Studio Manrope;src:url('/fonts/manrope-0.woff2') format('woff2');font-weight:400 500;font-display:swap}
:root{color-scheme:dark;--bg:#101114;--deep:#090a0c;--panel:#1a1b20;--text:#f1f0eb;--muted:#adaeb1;--line:#f1f0eb1f;--accent:#929bff;--gutter:clamp(24px,4.2vw,72px);--font:'Studio Manrope','PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-padding-top:112px;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.95 var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:5px;overflow-wrap:anywhere}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}p{margin:14px 0}strong{font-weight:600;color:var(--text)}.skip{position:fixed;left:20px;top:-100px;padding:10px 20px;background:var(--panel);z-index:100}.skip:focus{top:12px}
.site-header{position:sticky;top:0;z-index:10;background:#101114f5;border-bottom:1px solid var(--line);height:88px;padding:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:24px}.wordmark{display:flex;gap:14px;align-items:center;text-decoration:none}.wordmark img{width:92px;height:40px}.wordmark span{font-size:11px;line-height:1.6;letter-spacing:1.6px;width:65px}.header-actions{display:flex;gap:28px;align-items:center;font-size:13px}.header-actions a{text-decoration:none}.language{color:var(--accent);border:1px solid var(--line);padding:6px 12px}.shell{max-width:1400px;margin:auto;padding:0 var(--gutter)}.hero{padding:70px 0 40px;border-bottom:1px solid var(--line)}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:500;color:var(--accent)}h1{font-weight:500;letter-spacing:-.035em;line-height:1.15;font-size:clamp(38px,5vw,68px);margin:20px 0}h1 small{display:block;color:var(--muted);font-size:clamp(18px,2vw,23px);letter-spacing:.02em;margin-top:18px}.lead{max-width:680px;color:var(--muted);font-size:16px;margin-top:26px}.meta{display:flex;flex-wrap:wrap;gap:12px 30px;font-size:12px;color:var(--muted);margin-top:30px}.meta span:first-child{color:var(--accent)}.draft-banner{border-left:2px solid var(--accent);padding:14px 20px;background:#929bff0a;margin:28px 0 0;font-size:13px;color:var(--muted);max-width:900px}.draft-banner p{margin:4px 0}.document{display:grid;grid-template-columns:210px minmax(0,800px);gap:clamp(32px,6vw,90px);padding:44px 0 70px;justify-content:space-between}.toc{align-self:start;position:sticky;top:120px;font-size:12px}.toc-title{color:var(--muted);letter-spacing:.12em;margin:0 0 20px}.toc ol{list-style:none;padding:0;margin:0}.toc li{margin:0 0 14px}.toc a{display:flex;gap:14px;text-decoration:none;line-height:1.6}.toc .number{color:var(--accent);font-variant-numeric:tabular-nums}.toc .request{display:block;border-top:1px solid var(--line);padding-top:20px;margin-top:28px;color:var(--accent)}
article{min-width:0}section{scroll-margin-top:110px;border-bottom:1px solid var(--line);padding:0 0 36px;margin:0 0 38px;overflow-wrap:anywhere}section:last-child{border-bottom:0;margin:0}h2{font-size:clamp(23px,2.1vw,28px);font-weight:500;letter-spacing:-.02em;line-height:1.45;margin:0 0 22px}h2 .number{display:block;font-size:12px;letter-spacing:.08em;color:var(--accent);margin-bottom:14px}h3{font-size:17px;font-weight:600;margin:28px 0 10px;color:var(--text)}article p,article li{color:#c8c9ce}article a{color:var(--accent)}article ul{padding-left:22px}article li{padding-left:3px;margin:12px 0}.provider-list{list-style:none;padding:0!important}.provider-list>li{padding:20px 0;border-bottom:1px solid var(--line);margin:0}.provider-list>li:first-child{padding-top:0}.provider-list>li:last-child{border:0}.provider-list p{margin:7px 0 0}.draft-inline{border:1px solid #929bff35;padding:16px 20px;font-size:14px;background:#929bff08}.draft-inline strong{color:var(--accent)}.draft-inline p{margin:6px 0 0}.muted{color:var(--muted);font-size:14px}.contact-block{padding:28px 0 0}.contact-email{display:block;font-size:clamp(22px,3vw,34px);margin:12px 0;text-decoration:none}.contact-block p{font-size:14px;color:var(--muted)}.site-footer{border-top:1px solid var(--line);padding:28px var(--gutter);display:flex;flex-wrap:wrap;gap:12px 30px;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:.03em}
@media(max-width:850px){.document{grid-template-columns:1fr;gap:32px}.toc{position:static;border-bottom:1px solid var(--line);padding-bottom:24px}.toc ol{display:grid;grid-template-columns:1fr 1fr;column-gap:20px}.toc .request{border:0;margin-top:12px;padding-top:0}.hero{padding-top:44px}.header-actions{gap:16px}.home-label{display:none}}
@media(max-width:420px){.site-header{height:76px}.wordmark img{width:72px;height:34px}.wordmark{gap:9px}.wordmark span{font-size:9px;width:55px}.header-actions{gap:12px}.toc ol{grid-template-columns:1fr}body{font-size:15px}.meta{gap:8px 16px}h1{font-size:36px}.document{padding-top:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:#fff;color:#111;font:11pt/1.6 sans-serif}.site-header,.toc,.skip,.header-actions{display:none}.shell{max-width:none;padding:0}.hero{padding:0 0 20px}.document{display:block;padding-top:20px}.document p,.document li,.muted,.lead,.meta{color:#222}strong,h3,a{color:#111!important}h1{font-size:28pt}h2{font-size:17pt}h2,h3{break-after:avoid}section{border-color:#ddd}.site-footer{color:#333}.contact-email{font-size:18pt}}