:root{--bg:#07111f;--card:#0d1b2f;--line:#1f3452;--text:#eef6ff;--muted:#a9bbd0;--brand:#4dd4ff;--brand2:#8b5cf6;--ok:#4ade80}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC",Arial,sans-serif;background:radial-gradient(circle at 20% 0%,#14345d,transparent 38%),linear-gradient(180deg,#07111f,#050914);color:var(--text);line-height:1.75}.wrap{max-width:1080px;margin:auto;padding:28px 20px}.nav{display:flex;justify-content:space-between;gap:16px;align-items:center}.logo{font-weight:800;font-size:22px;letter-spacing:.2px}.pill{border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--muted);text-decoration:none}.hero{padding:70px 0 44px}.eyebrow{color:var(--brand);font-weight:700}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.08;margin:12px 0}.lead{font-size:19px;color:var(--muted);max-width:760px}.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#04101f;text-decoration:none;font-weight:800;border-radius:14px;padding:13px 18px}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:28px 0}.card{background:rgba(13,27,47,.82);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 40px rgba(0,0,0,.25)}.card h3{margin:0 0 8px}.muted{color:var(--muted)}.article{max-width:860px}.article h1{font-size:42px;line-height:1.15}.article h2{margin-top:34px}.note{border-left:4px solid var(--brand);padding:12px 16px;background:rgba(77,212,255,.08);border-radius:8px}.foot{border-top:1px solid var(--line);margin-top:48px;padding-top:22px;color:var(--muted);font-size:14px}ul{padding-left:22px}code{background:#0b2038;padding:2px 6px;border-radius:6px}a{color:#8ee7ff}@media(max-width:640px){.nav{align-items:flex-start;flex-direction:column}.hero{padding-top:44px}.cta .btn{width:100%;text-align:center}}

.faq dt{font-weight:800;margin-top:18px}.faq dd{margin:6px 0 14px;color:var(--muted)}.tag{display:inline-block;margin:4px 6px 4px 0;border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:var(--muted);font-size:13px}.breadcrumbs{color:var(--muted);font-size:14px;margin:24px 0}.toc a{display:block;margin:8px 0}.warning{background:rgba(250,204,21,.08);border:1px solid rgba(250,204,21,.25);border-radius:14px;padding:14px;margin:18px 0;color:#fde68a}

.steps{counter-reset:s}.steps li{margin:10px 0}.steps li::marker{font-weight:800;color:var(--brand)}.links{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.links a{border:1px solid var(--line);border-radius:999px;padding:7px 11px;text-decoration:none;color:var(--text)}

.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.mini{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:16px;padding:16px}.quote{font-size:18px;color:#dbeafe;background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.25);border-radius:18px;padding:18px;margin:20px 0}

.checklist{background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.25);border-radius:16px;padding:16px;margin:18px 0}.bad{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);border-radius:16px;padding:16px;margin:18px 0}.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.small{font-size:14px;color:var(--muted)}