:root{--ink:#0F172A;--muted:#475569;--line:#E2E8F0;--gold:#6366F1;--gold-ink:#4F46E5;--paper:#FAFBFC;--surface:#fff}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
header.top{border-bottom:1px solid var(--line);background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 24px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.2rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.logo .nib{width:22px;height:22px;background:var(--gold);border-radius:7px;display:inline-flex;align-items:center;justify-content:center}
.logo .nib::after{content:"";width:7px;height:7px;background:#fff;border-radius:2px;transform:rotate(45deg)}
.back{color:var(--gold-ink);text-decoration:none;font-weight:500;font-size:.92rem}
.back:hover{text-decoration:underline}
main{padding:48px 0 80px}
h1{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.upd{color:var(--muted);font-size:.9rem;margin-bottom:36px}
h2{font-size:1.2rem;font-weight:700;letter-spacing:-.02em;margin:32px 0 10px}
p,li{color:var(--muted);font-size:1rem;margin-bottom:12px}
ul{padding-left:22px}
strong{color:var(--ink)}
a{color:var(--gold-ink)}
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:18px 0}
footer.bot{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:.85rem;text-align:center}
.cta{display:inline-block;background:var(--gold);color:#fff;font-weight:700;font-size:1.02rem;padding:14px 28px;border-radius:12px;text-decoration:none;box-shadow:0 10px 26px -8px rgba(99,102,241,.5)}
.cta:hover{background:var(--gold-ink)}
.ctabox{text-align:center;background:var(--gold-soft);border:1px solid var(--line);border-radius:16px;padding:28px 24px;margin:36px 0}
.ctabox p{font-size:1.05rem;color:var(--ink);margin-bottom:16px}
.lead{font-size:1.15rem;color:var(--muted);margin-bottom:28px}
.guides-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
@media(max-width:600px){.guides-grid{grid-template-columns:1fr}}
.guide-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;text-decoration:none}
.guide-card:hover{border-color:var(--gold)}
.guide-card b{color:var(--ink);font-size:1.08rem;display:block;margin-bottom:6px}
.guide-card span{color:var(--muted);font-size:.92rem}