:root{--bg:#fbfaf7;--fg:#16151a;--mut:#5d5b66;--line:#e6e3dc;--card:#fff;--acc:#1f6f5c;--acc2:#e8f3ef;--code:#0f1115;--codefg:#e7e9ee}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--acc)}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:rgba(251,250,247,.9);position:sticky;top:0;backdrop-filter:blur(6px);z-index:5}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:750;letter-spacing:-.02em;color:var(--fg);text-decoration:none;display:flex;gap:9px;align-items:center}
.logo i{width:22px;height:22px;border-radius:6px;background:var(--acc);display:inline-block}
nav a{margin-left:18px;color:var(--mut);text-decoration:none;font-size:15px}nav a:hover{color:var(--fg)}
.hero{padding:72px 0 40px}
.pill{display:inline-block;font-size:13px;font-weight:600;color:var(--acc);background:var(--acc2);border-radius:999px;padding:4px 12px;margin-bottom:18px}
h1{font-size:clamp(34px,6vw,56px);line-height:1.06;letter-spacing:-.035em;margin:0 0 18px}
h2{font-size:28px;letter-spacing:-.02em;margin:56px 0 14px}
h3{font-size:19px;margin:30px 0 8px}
.lead{font-size:20px;color:var(--mut);max-width:640px;margin:0 0 28px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:10px;font-weight:650;text-decoration:none;border:1px solid var(--fg)}
.btn.primary{background:var(--fg);color:#fff}.btn.ghost{color:var(--fg);background:transparent}
.btn:hover{opacity:.88}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin-top:0}
.card p{margin:0;color:var(--mut)}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.ba{grid-template-columns:1fr}nav a.hide-sm{display:none}}
.ba .card span{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.bad span{color:#a33a2b}.good span{color:var(--acc)}
.price{display:flex;align-items:baseline;gap:10px}.price b{font-size:44px;letter-spacing:-.03em}
.muted{color:var(--mut)}
ul.clean{padding-left:20px}ul.clean li{margin:4px 0}
pre{position:relative;background:var(--code);color:var(--codefg);border-radius:12px;padding:16px 18px;overflow-x:auto;font:14px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin:10px 0 18px}
code{font:0.92em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#efece5;padding:1px 6px;border-radius:5px}
pre code{background:none;padding:0;font-size:inherit}
.copy{position:absolute;top:8px;right:8px;font:600 12px system-ui,sans-serif;background:#2a2e37;color:#e7e9ee;border:0;border-radius:7px;padding:5px 10px;cursor:pointer}
.copy:hover{background:#3a404c}
table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--mut);text-transform:uppercase;letter-spacing:.05em}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.toc a{font-size:14px;text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;color:var(--fg)}
.note{background:var(--acc2);border-radius:12px;padding:14px 16px;margin:14px 0}
footer{border-top:1px solid var(--line);margin-top:72px;padding:28px 0;color:var(--mut);font-size:14px}
code{overflow-wrap:anywhere}
@media(max-width:640px){table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}th,td{min-width:130px}}