:root{--ink:#edf6ff;--navy:#060b14;--cyan:#29e7e2;--sky:#102435;--paper:#080f1b;--muted:#9cadc0;--white:#fff;--line:#22354c;--orange:#ffb454}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:radial-gradient(circle at 12% 0,#112742 0,transparent 28%),var(--paper);color:var(--ink);line-height:1.85}a{color:inherit;text-decoration:none}.top{background:#060b14ed;color:white;border-bottom:1px solid #1d3449;box-shadow:0 8px 30px #0007}.nav{max-width:920px;margin:auto;height:70px;padding:0 22px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:900;font-size:1.25rem}.brand i{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),#8b5cf6);color:#06101b;font-style:normal;margin-left:8px;box-shadow:0 0 22px #29e7e247}.back{color:#bcd1e1}.wrap{max-width:820px;margin:auto;padding:42px 22px 80px}.crumb{color:var(--cyan);font-weight:800;font-size:.9rem}.hero{padding:30px 0 26px;border-bottom:1px solid var(--line)}h1{font-size:clamp(2rem,6vw,3.7rem);line-height:1.25;margin:10px 0 14px;letter-spacing:-1px}.lead{font-size:1.12rem;color:var(--muted);margin:0}.meta{margin-top:16px;color:#7f93aa;font-size:.88rem}.content{background:linear-gradient(145deg,#101b2a,#0b1420);border:1px solid var(--line);border-radius:24px;padding:clamp(22px,5vw,48px);margin-top:28px;box-shadow:0 18px 55px #0007}.content h2{font-size:1.6rem;line-height:1.4;margin:38px 0 12px;color:#f7fbff}.content h2:first-child{margin-top:0}.content p,.content li{font-size:1.02rem}.content li{margin:8px 0}.content a:not(.cta){color:#6cf5ef;text-decoration:underline;text-underline-offset:4px}.example{direction:ltr;text-align:left;background:#07101b;color:#e8f3f8;border:1px solid #263a51;border-radius:16px;padding:18px 20px;margin:18px 0;font-family:Tahoma,Arial,sans-serif}.tip{background:#0d2932;border-right:4px solid var(--cyan);border-radius:12px;padding:16px 18px;margin:22px 0;color:#c8eff0}.warning{background:#2b2115;border-right:4px solid var(--orange);border-radius:12px;padding:16px 18px;margin:22px 0;color:#ffe6bf}.cta{display:inline-block;background:linear-gradient(135deg,var(--cyan),#58a8ff);color:#06111b;font-weight:900;padding:11px 18px;border-radius:12px;margin-top:16px}footer{background:#050a12;color:#94a7ba;padding:28px 22px;border-top:1px solid #17263a}.foot{max-width:820px;margin:auto;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.foot a{margin-left:16px}.foot b{color:white}@media(max-width:600px){.back{font-size:.88rem}.content{border-radius:18px}.wrap{padding-top:28px}}