:root{--paper:#f8f7f2;--ink:#192738;--muted:#526171;--blue:#214470;--line:#d9deda;--wash:#edf1f1;--accent:#bb683c;--radius:14px}
*{box-sizing:border-box}
html{scroll-padding-top:24px}
body{margin:0;background:linear-gradient(125deg,#f0f4f3 0,transparent 34rem),var(--paper);color:var(--ink);font:17px/1.75 "Avenir Next","Trebuchet MS","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--blue);text-underline-offset:4px}
a:hover{color:#153358}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid #bc703d;outline-offset:5px}
.skip{position:absolute;left:24px;top:-100px;z-index:10;background:white;padding:12px 20px}.skip:focus{top:12px}
.topbar{max-width:1260px;margin:auto;padding:28px 44px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-weight:750;font-size:22px;display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--blue);color:white;font-size:25px;font-weight:800;font-style:italic;box-shadow:0 5px 14px #21447018}
.topbar nav{display:flex;flex-wrap:wrap;gap:24px}.topbar nav a{font-size:15px;text-decoration:none;color:var(--muted)}.topbar nav a[aria-current]{color:var(--blue);text-decoration:underline;font-weight:750}
.hero{max-width:1172px;margin:0 auto;padding:68px 0 38px}
.eyebrow{font-size:12px;line-height:1.6;letter-spacing:.14em;font-weight:800;color:var(--muted);text-transform:uppercase}
h1{font-family:Charter,"Palatino Linotype",Palatino,"Songti SC",serif;font-size:clamp(38px,5vw,64px);font-weight:500;letter-spacing:-.035em;line-height:1.1;margin:14px 0 22px}
.lead{max-width:760px;color:var(--muted);font-size:20px;line-height:1.6;margin:0}
.draft-notice{max-width:1172px;margin:0 auto 46px;background:#f5eadc;border-left:3px solid var(--accent);padding:16px 20px;display:flex;gap:22px;align-items:baseline;font-size:14px;line-height:1.6}
.draft-notice strong{font-size:12px;letter-spacing:.04em;color:#744118;flex-shrink:0}
.layout{max-width:1172px;margin:auto;display:grid;grid-template-columns:245px minmax(0,1fr);gap:74px;align-items:start}
aside{position:sticky;top:28px;font-size:14px;line-height:1.55}
aside .eyebrow{margin-top:0}
aside nav{border-left:1px solid var(--line);display:flex;flex-direction:column;gap:13px;padding-left:20px}
aside nav a{color:var(--muted);text-decoration:none;display:block}aside nav a:hover{color:var(--blue);text-decoration:underline}
.contact{display:block;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:15px;text-decoration:none;font-weight:700}.contact span{display:block;margin-top:5px;font-size:13px;font-weight:500}
main{min-width:0;padding-bottom:64px}
main>h2:first-child{margin-top:0}
h2{font-size:26px;line-height:1.35;letter-spacing:-.02em;font-weight:700;margin:46px 0 17px;padding-top:18px;border-top:1px solid var(--line);scroll-margin-top:24px}
p{margin:0 0 20px}ul,ol{padding-left:25px;margin:20px 0}li{margin-bottom:12px;padding-left:5px}strong{font-weight:750}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:22px 0}
table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.6;min-width:560px;text-align:left}
th{background:var(--wash);font-weight:750}th,td{padding:16px 18px;vertical-align:top;border-bottom:1px solid var(--line)}th:first-child,td:first-child{min-width:126px;font-weight:650}tr:last-child td{border-bottom:0}
footer{max-width:1260px;margin:0 auto;padding:28px 44px 40px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px 40px;color:var(--muted);font-size:14px}
footer p{margin:0}footer nav{margin-left:auto;display:flex;gap:20px}footer>p:last-child{width:100%;font-size:13px}
@media(max-width:1260px){.hero,.draft-notice,.layout{margin-left:44px;margin-right:44px}.layout{gap:46px;grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:850px){.layout{grid-template-columns:minmax(0,1fr);gap:32px}aside{position:static}aside nav{flex-direction:row;flex-wrap:wrap;gap:10px 20px;border:0;padding:0}aside .contact{display:none}.hero{padding-top:44px}.draft-notice{margin-bottom:28px}h2{font-size:24px}}
@media(max-width:540px){body{font-size:16px}.topbar{padding:20px 22px;align-items:flex-start;flex-direction:column;gap:16px}.topbar nav{gap:22px}.hero,.draft-notice,.layout{margin-left:22px;margin-right:22px}.hero{padding:36px 0 26px}.lead{font-size:18px}.draft-notice{display:block;padding:14px 16px}.draft-notice strong{display:block;margin-bottom:5px}.contact span{overflow-wrap:anywhere}aside nav{font-size:14px}main{padding-bottom:30px}footer{padding:24px 22px 34px;display:block}footer nav{margin:10px 0 18px;flex-wrap:wrap}h2{font-size:23px}}
@media print{body{background:white;font:12pt/1.6 Georgia,serif}.topbar,aside,.draft-notice,footer,.skip{display:none}.hero,.layout{display:block;margin:0;padding:0}h1{font-size:28pt}h2{break-after:avoid}a{color:inherit}.table-scroll{overflow:visible}table{min-width:0}main{padding:0}}