:root{--bg:#080d1d;--card:#121c34;--line:#283654;--yellow:#ffe600;--text:#f4f6fb;--muted:#b9c1d2;--green:#22c77a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at top,#17365c 0,#080d1d 35%);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.75}
a{color:var(--yellow)}
.top{position:sticky;top:0;z-index:5;background:#080d1df2;border-bottom:1px solid var(--line)}
.nav{max-width:1050px;margin:auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:15px}
.brand{font-weight:900;color:#fff;text-decoration:none}
.back{background:var(--yellow);color:#070b15;text-decoration:none;font-weight:800;padding:9px 15px;border-radius:9px}
main{max-width:880px;margin:auto;padding:48px 20px 70px}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:20px}
.hero{background:linear-gradient(145deg,#172747,#10182b);border:1px solid var(--line);border-radius:22px;padding:clamp(24px,5vw,52px);box-shadow:0 25px 70px #0007}
.eyebrow{color:var(--yellow);font-weight:800;text-transform:uppercase;letter-spacing:1px;font-size:12px}
h1{font-size:clamp(35px,7vw,62px);line-height:1.05;margin:12px 0 20px}
h2{font-size:clamp(27px,5vw,39px);line-height:1.15;margin:48px 0 14px;color:#fff}
h3{font-size:23px;line-height:1.25;margin:30px 0 8px;color:var(--yellow)}
h4{font-size:18px;margin:22px 0 6px}
.lead{font-size:20px;color:#dce2ef}
.updated{color:var(--muted);font-size:13px}
.notice{border-left:5px solid var(--yellow);background:#24213a;padding:18px 20px;border-radius:10px;margin:28px 0}
.safe{border-color:var(--green);background:#102b27}
.toc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 26px;margin:30px 0}
.toc strong{color:var(--yellow)}
.toc a{text-decoration:none}
.steps{padding-left:22px}
.steps li{margin:12px 0}
table.compare{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
table.compare th,table.compare td{border:1px solid var(--line);padding:11px 12px;text-align:left}
table.compare th{background:#16223c;color:#fff}
table.compare tr:nth-child(even) td{background:#0f1930}
.cta{background:linear-gradient(135deg,#ffe600,#ffb800);color:#080d1d;border-radius:18px;padding:28px;text-align:center;margin:38px 0}
.cta h2{color:#080d1d;margin:0 0 10px}
.cta a{display:inline-block;margin-top:9px;background:#080d1d;color:#fff;text-decoration:none;padding:13px 22px;border-radius:10px;font-weight:900}
.ad{min-height:120px;margin:42px auto;text-align:center;overflow:hidden}
.ad small{display:block;color:#7f899d;font-size:10px;text-transform:uppercase;letter-spacing:1px;margin-bottom:7px}
.ad .adsbygoogle{min-height:100px}
.faq{border-bottom:1px solid var(--line);padding:6px 0 18px}
.sources{font-size:14px;color:var(--muted)}
footer{text-align:center;color:#8993a7;padding:28px 20px;border-top:1px solid var(--line)}
@media(max-width:600px){main{padding:28px 14px 55px}.nav{padding:11px 14px}.brand{font-size:14px}.back{font-size:13px;padding:8px 10px}.hero{border-radius:16px;padding:24px 18px}.lead{font-size:17px}.toc{padding:18px}.ad{margin:30px auto;min-height:100px}h2{margin-top:38px}table.compare{font-size:13px}table.compare th,table.compare td{padding:8px}}
.related{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin:40px 0 0}
.related h2{margin:0 0 10px;font-size:24px}
.related-list{margin:0;padding-left:20px}
.related-list li{margin:8px 0}
.related-list a{text-decoration:none;font-weight:700}
.related-list a:hover{text-decoration:underline}