:root{color-scheme:light;--ink:#203a34;--muted:#596c63;--green:#245a46;--line:#d7ddd3;--paper:#f6f7f1}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.85;-webkit-text-size-adjust:100%}a{color:var(--green);text-underline-offset:5px}a:hover{text-decoration:underline}a:focus-visible{outline:3px solid var(--green);outline-offset:5px;border-radius:2px}.header,main,footer{max-width:1120px;margin:auto;padding-left:48px;padding-right:48px}.header{display:flex;justify-content:space-between;align-items:center;min-height:104px;border-bottom:1px solid var(--line)}.header a{text-decoration:none}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:650;letter-spacing:-.7px}.mark{display:grid;place-items:center;background:var(--green);color:white;width:38px;height:38px;border-radius:12px;font-family:Georgia,serif;font-size:28px;font-style:italic}.header nav{font-size:14px}.hero{padding:66px 0 48px;border-bottom:1px solid var(--line)}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:650;color:var(--muted)}h1{font-size:clamp(38px,6vw,64px);line-height:1.2;letter-spacing:-2px;font-weight:550;margin:20px 0}.intro{font-size:clamp(18px,2.8vw,23px);margin:0 0 22px;color:var(--muted)}.date{font-size:12px;color:var(--muted);margin:0}.date span{padding:0 12px}.layout{display:grid;grid-template-columns:228px minmax(0,1fr);gap:62px;padding:42px 0 80px}aside{align-self:start;position:sticky;top:28px}aside .eyebrow{margin:0 0 18px}aside nav{display:flex;flex-direction:column;gap:10px}aside nav a{font-size:13px;text-decoration:none;color:var(--muted);line-height:1.6}.contact{display:inline-block;margin-top:28px;font-size:13px}article{min-width:0;overflow-wrap:anywhere}article>p:first-child{margin-top:0;font-size:18px;color:var(--green)}h2{font-size:19px;font-weight:650;line-height:1.5;margin:36px 0 12px}p{margin:0 0 16px}article p,article li{color:#354b42}ul{padding-left:23px;margin:0 0 16px}li{padding-left:3px;margin:7px 0}.website-note{border-top:1px solid var(--line);margin-top:40px;padding-top:8px}.website-note h2{font-size:15px;margin-top:22px}.website-note p{font-size:13px;color:var(--muted)}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding-top:26px;padding-bottom:30px;font-size:12px;color:var(--muted)}.skip{position:absolute;left:20px;top:-100px;background:white;padding:10px;z-index:5}.skip:focus{top:10px}
@media(max-width:760px){.header,main,footer{padding-left:24px;padding-right:24px}.header{min-height:82px}.hero{padding:44px 0 32px}.layout{grid-template-columns:1fr;gap:32px;padding-top:28px;padding-bottom:44px}aside{position:static;border-bottom:1px solid var(--line);padding-bottom:24px}aside nav{display:grid;grid-template-columns:1fr 1fr;gap:12px 18px}.contact{margin-top:20px}h1{letter-spacing:-1px}h2{font-size:18px}footer{flex-wrap:wrap}.date span{padding:0 7px}}
@media print{body{background:white;color:black}.header nav,aside,.skip,footer a{display:none}.header,main,footer{max-width:none;padding:0}.header{min-height:60px}.hero{padding:20px 0}.hero h1{font-size:30px}.layout{display:block;padding:20px 0}h2{break-after:avoid}p,li{orphans:3;widows:3}.website-note{break-inside:avoid}a{color:inherit}}