:root{--ink:#0b1f33;--muted:#55677a;--line:#dbe4ec;--accent:#0a6fc2;--bg:#fff;--soft:#f3f7fb}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--bg);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;display:flex;min-height:100vh;flex-direction:column}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.top{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;max-width:1040px;width:100%;margin:0 auto}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink)}
.top nav a{margin-left:20px;color:var(--muted)}
main{flex:1;max-width:1040px;width:100%;margin:0 auto;padding:0 24px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:56px 0 64px}
h1{font-size:44px;line-height:1.12;letter-spacing:-.02em;margin:0 0 18px}
.lead{font-size:19px;color:var(--muted);margin:0 0 14px}
.note{font-size:15px;color:var(--muted);margin:0}
.card{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.thumb svg{display:block;width:100%;height:auto}
.meta{padding:14px 16px 6px;display:flex;flex-direction:column;gap:2px}
.meta span{font-size:14px;color:var(--muted)}
.card code{display:block;margin:8px 16px 16px;padding:8px 10px;background:var(--soft);border-radius:6px;font-size:14px;color:var(--ink);overflow-wrap:anywhere}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:32px 0;border-top:1px solid var(--line)}
h2{font-size:19px;margin:0 0 6px}
.cols p,.plain p{margin:0;color:var(--muted)}
.plain{padding:32px 0 56px;max-width:640px}
.text{max-width:680px;padding-top:32px;padding-bottom:56px}
.text h1{font-size:34px}
.text h2{margin-top:26px}
.text p{color:#33475a}
.gone{padding-top:72px}
footer{display:flex;gap:20px;padding:20px 24px;max-width:1040px;width:100%;margin:0 auto;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
footer span{margin-right:auto}
@media (max-width:760px){.hero{grid-template-columns:1fr;gap:28px;padding:28px 0 40px}h1{font-size:32px}.cols{grid-template-columns:1fr;gap:20px}.top,main,footer{padding-left:16px;padding-right:16px}}