/* Native reference site: one semantic palette, no external resources. */
:root{color-scheme:light dark;--bg:#f7f9f8;--text:#182723;--muted:#52655e;--line:#d5ded9;--accent:#176957;--panel:#edf2ef;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.skip{position:absolute;left:16px;top:-80px;background:var(--bg);padding:12px}.skip:focus{top:12px}header,main,footer{width:min(1120px,calc(100% - 64px));margin:auto}header{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line)}.brand{font-size:24px;font-weight:700;color:var(--text);text-decoration:none;letter-spacing:-.7px}.brand span{display:block;font-size:12px;font-weight:450;letter-spacing:0;color:var(--muted);margin-top:3px}nav{display:flex;gap:28px;font-size:14px}nav a{color:var(--text);text-decoration:none}.intro{max-width:780px;padding:64px 0 52px}.kicker{font-size:13px;color:var(--accent);margin:0 0 18px}h1{font-size:clamp(34px,4.3vw,54px);font-weight:650;line-height:1.12;letter-spacing:-1.7px;margin:0 0 22px}.lede{font-size:19px;line-height:1.65;color:var(--muted);max-width:640px;margin:0}.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:72px;padding-bottom:48px}.entry{display:flex;gap:28px;justify-content:space-between;align-items:center;color:var(--text);text-decoration:none;padding:27px 0;border-top:1px solid var(--line)}.category{font-size:12px;color:var(--accent)}.entry h2{font-size:23px;line-height:1.3;font-weight:600;letter-spacing:-.5px;margin:8px 0 9px}.entry p{font-size:14px;line-height:1.7;color:var(--muted);margin:0;max-width:480px}.entry-action{font-size:13px;color:var(--accent);white-space:nowrap}.entry:hover h2{text-decoration:underline;text-underline-offset:5px}aside{align-self:start;background:var(--panel);padding:25px;border-radius:4px}aside h2{font-size:18px;margin:0 0 14px}aside p{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 20px}aside a{font-size:13px}.back{display:inline-block;margin:38px 0 28px;font-size:14px}article{max-width:740px;padding-bottom:60px}article h1{font-size:clamp(33px,4vw,48px);margin-top:12px}article section{margin-top:34px}article h2{font-size:23px;letter-spacing:-.4px;margin-bottom:12px}article p{font-size:17px;line-height:1.85;color:var(--muted)}.text-link{display:inline-block;margin-top:24px}footer{border-top:1px solid var(--line);padding:25px 0 35px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:20px}@media(prefers-color-scheme:dark){:root{--bg:#151d19;--text:#e1ece5;--muted:#a7b9ae;--line:#34493c;--accent:#8bd1af;--panel:#202e25}}@media(max-width:740px){header,main,footer{width:calc(100% - 36px)}header{min-height:90px;align-items:flex-start;padding:22px 0;gap:18px}nav{gap:16px;font-size:12px;padding-top:7px}.brand{font-size:22px}.brand span{font-size:10px}.intro{padding:38px 0}.layout{grid-template-columns:1fr;gap:30px}h1{letter-spacing:-1px}.entry{gap:15px}.entry h2{font-size:21px}.entry-action{display:none}aside{max-width:none}.lede{font-size:17px}footer{font-size:11px}.back{margin-top:25px}article p{font-size:16px}}