:root{--blue:#2f6bff;--ink:#0f172a;--mut:#5b6472;--line:#e6e9f0;--bg:#f6f8fc;--orange:#ff7a1a}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);line-height:1.65;background:#fff}
a{color:var(--blue)}.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none}.brand img{width:32px;height:32px;border-radius:8px}
.links{display:flex;gap:26px;font-weight:500}.links a{color:#334155;text-decoration:none}.links a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:600;text-decoration:none;border:1px solid transparent}
.btn-p{background:var(--blue);color:#fff}.btn-o{background:var(--orange);color:#fff}.btn-sm{padding:8px 16px;font-size:.92rem}
.crumbs{font-size:.88rem;color:var(--mut);margin:26px 0 8px}.crumbs a{color:var(--mut);text-decoration:none}
article{max-width:780px;margin:0 auto;padding:0 24px 60px}
article h1{font-size:clamp(1.8rem,3.4vw,2.5rem);line-height:1.15;letter-spacing:-.02em;margin:8px 0 10px}
.meta{color:var(--mut);font-size:.9rem;margin-bottom:26px}
article h2{font-size:1.45rem;margin:38px 0 10px}article h3{font-size:1.15rem;margin:26px 0 8px}
article p,article li{font-size:1.04rem}article img{max-width:100%;border-radius:12px;border:1px solid var(--line);margin:8px 0 18px}
.box{border:1px solid var(--line);background:var(--bg);border-radius:14px;padding:18px 20px;margin:22px 0}
.warn{border-color:#fde68a;background:#fffbeb;color:#713f12}
.cta{background:linear-gradient(90deg,#2f6bff,#4c8dff);color:#fff;border-radius:16px;padding:28px 26px;margin:36px 0;text-align:center}
.cta h3{margin:0 0 6px;font-size:1.3rem}.cta p{margin:0 0 16px;opacity:.92}.cta .btn{margin:4px}
.cta .btn-w{background:#fff;color:var(--blue)}
table{border-collapse:collapse;width:100%;margin:12px 0 20px;font-size:.98rem}th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}th{background:var(--bg)}
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:22px}.related a{display:block;margin:8px 0}
.list{max-width:860px;margin:0 auto;padding:0 24px 60px}.post{border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:14px 0}
.post h2{margin:0 0 6px;font-size:1.25rem}.post h2 a{text-decoration:none;color:var(--ink)}.post p{margin:0;color:var(--mut)}
footer{background:#0f172a;color:#94a3b8;padding:30px 0;font-size:.88rem}footer a{color:#cbd5e1;text-decoration:none;margin-left:16px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:720px){.links{display:none}}