:root{--ink:#1d2330;--muted:#5b6475;--line:#e3e6ec;--bg:#fbfbfd;--accent:#2f5bea}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:#fff}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.brand{font-weight:700;color:var(--ink);font-size:18px}
nav a{margin-left:18px;color:var(--muted);font-size:15px}nav a:hover{color:var(--ink);text-decoration:none}
main{padding:36px 0 56px}
h1{font-size:34px;line-height:1.2;margin:0 0 12px}h2{font-size:22px;margin:34px 0 10px}h3{font-size:17px;margin:0 0 6px}
.lede{font-size:19px;color:var(--muted);max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}
.card ul{margin:8px 0 0;padding-left:18px;color:var(--muted)}
.price{font-size:26px;font-weight:700;margin:4px 0}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 18px;border-radius:6px;margin-top:14px}
.btn:hover{text-decoration:none;opacity:.92}
blockquote{margin:0;color:var(--muted)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:22px 0;background:#fff}
.meta{color:var(--muted);font-size:14px}