:root{color-scheme:light dark;--bg:#fbf7ee;--paper:#fffdf7;--text:#22271f;--muted:#576453;--green:#18553f;--line:#d7dece;--button:#fffdf7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:17px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC",sans-serif}a{color:var(--green);text-underline-offset:4px;overflow-wrap:anywhere}a:focus-visible{outline:3px solid var(--green);outline-offset:5px;border-radius:4px}header{max-width:1160px;margin:auto;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:700;letter-spacing:-.5px;text-decoration:none;color:var(--text)}.brand img{border-radius:10px}nav{display:flex;gap:24px;flex-wrap:wrap}nav a{padding:8px 0;text-decoration:none}nav a[aria-current]{text-decoration:underline;font-weight:700}.layout{max-width:1160px;margin:0 auto;padding:56px 32px 80px;display:flex;gap:66px}main{min-width:0;max-width:760px;flex:1}aside{flex:0 0 175px;font-size:14px;align-self:flex-start;position:sticky;top:26px}aside p{margin:0 0 15px;color:var(--muted);font-size:12px;letter-spacing:2px}aside a{display:block;padding:7px 0;text-decoration:none}h1,h2{line-height:1.4;letter-spacing:-.02em}h1{font-size:36px;margin:0 0 32px}h2{font-size:23px;margin:42px 0 14px;scroll-margin-top:24px}p{margin:0 0 22px}ul{padding-left:24px}li{padding:4px 0}.hero{padding:22px 0 54px;border-bottom:1px solid var(--line)}.eyebrow{font-size:14px;color:var(--green);letter-spacing:3px}.hero h1{font-size:clamp(32px,5vw,54px);font-family:"Songti SC","Noto Serif CJK SC",serif;line-height:1.45}.intro{font-size:20px;max-width:620px;color:var(--muted)}.primary{display:inline-block;margin:10px 0 22px;padding:10px 24px;background:var(--green);color:var(--button);border-radius:100px;text-decoration:none;font-weight:600}.note{font-size:13px;color:var(--muted);max-width:490px}.details{padding-top:4px}footer{max-width:1160px;padding:26px 32px 40px;margin:auto;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:14px 26px}.skip{position:fixed;left:16px;top:-100px;background:var(--paper);padding:12px;z-index:5}.skip:focus{top:12px}@media(max-width:740px){header{padding:18px 22px;align-items:flex-start;flex-wrap:wrap;gap:12px}nav{gap:24px;font-size:15px}.layout{padding:32px 22px 48px;display:block}aside{position:static;display:flex;gap:5px 18px;flex-wrap:wrap;margin-bottom:34px;border-bottom:1px solid var(--line);padding-bottom:20px}aside p{flex-basis:100%;margin:0}aside a{padding:3px 0}h1{font-size:30px}.hero{padding-top:8px}.hero h1{font-size:35px}.intro{font-size:18px}footer{padding:24px 22px}}@media(prefers-color-scheme:dark){:root{--bg:#142019;--paper:#1b2b21;--text:#f0f1e8;--muted:#b6c3b2;--green:#a2ddbb;--line:#3b5041;--button:#142019}}