:root{--bg:#f6f8fb;--card:#fff;--ink:#1c2733;--muted:#5b6b7b;--brand:#0b5fff;--brand-d:#0841b3;--line:#e3e8ef}
*{box-sizing:border-box}
body{margin:0;font:17px/1.7 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}a:hover{color:var(--brand-d)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.site{background:#fff;border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px}
.logo{font-weight:800;font-size:1.3rem;color:var(--ink);text-decoration:none}
.logo span{color:var(--brand)}
nav a{margin-left:16px;text-decoration:none;font-weight:600;color:var(--ink);font-size:.95rem}
nav a:hover{color:var(--brand)}
.hero{background:linear-gradient(135deg,#0b5fff,#0841b3);color:#fff;padding:48px 0}
.hero h1{margin:0 0 10px;font-size:2.2rem;line-height:1.2}
.hero p{margin:0;max-width:640px;font-size:1.1rem;opacity:.95}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;margin:28px 0}
@media(max-width:860px){.layout{grid-template-columns:1fr}.hero h1{font-size:1.7rem}}
.card,article.post{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
article.post h1{font-size:2rem;line-height:1.25;margin-top:0}
article.post h2{margin-top:1.8em;font-size:1.4rem}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:1em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.grid .card h3{margin:.2em 0 .4em;font-size:1.1rem}
.grid .card h3 a{text-decoration:none;color:var(--ink)}
.grid .card p{margin:0;color:var(--muted);font-size:.95rem}
.tag{display:inline-block;font-size:.75rem;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.04em}
aside .card{margin-bottom:18px}
aside h3{margin-top:0}
aside ul{padding-left:18px;margin:0}
.ad{margin:24px 0;text-align:center;min-height:90px}
.note{background:#fff8e6;border:1px solid #f1dfae;border-radius:8px;padding:12px 14px;font-size:.9rem;color:#5a4a14}
.cta{background:#eef4ff;border:1px solid #cfe0ff;border-radius:10px;padding:14px 16px;margin:24px 0}
footer.site{background:#0f1a2a;color:#b8c4d3;margin-top:40px;padding:30px 0;font-size:.92rem}
footer.site a{color:#dbe7ff}
footer.site .cols{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:10px}
table{border-collapse:collapse;width:100%;margin:1em 0}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;font-size:.95rem}
th{background:#f0f4fa}