:root{
  --bg:#090d16;--bg2:#111827;--panel:#121b2d;--panel2:#17243b;--text:#f6f7fb;--muted:#aeb9c9;
  --line:rgba(255,255,255,.10);--cyan:#66e3ff;--lime:#c8ff72;--orange:#ff8f5b;--violet:#8f78ff;
  --wrap:1180px;--radius:20px;--shadow:0 28px 70px rgba(0,0,0,.34)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#070b12 0,#0b1220 45%,#090d16 100%);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,11,18,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.header-row{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px;position:relative}.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:20px;letter-spacing:.01em}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--lime));color:#07111c;font-weight:1000;box-shadow:0 0 0 1px rgba(255,255,255,.08),0 10px 24px rgba(102,227,255,.18)}.brand small{display:block;font-size:9px;color:#7f90a8;letter-spacing:.18em;margin-top:-2px}.main-nav{display:flex;justify-content:center;gap:18px;font-size:13px;color:#c4cedc}.main-nav a{padding:9px 0;position:relative}.main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:3px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--lime));transition:.2s}.main-nav a:hover:after{right:0}.header-actions{display:flex;gap:9px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;font-weight:850;border:1px solid transparent;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn-ghost{background:#0c1423;border-color:var(--line)}.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--lime));color:#07111c;box-shadow:0 10px 24px rgba(102,227,255,.15)}.mobile-toggle{display:none;border:1px solid var(--line);background:#0c1423;color:#fff;width:44px;height:44px;border-radius:12px;font-size:20px}.mobile-menu{display:none}
.hero{padding:26px 0 6px}.hero-card{overflow:hidden;border:1px solid rgba(102,227,255,.20);border-radius:26px;background:#0e1728;box-shadow:var(--shadow);position:relative}.hero-card:after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);pointer-events:none}.hero-card img{width:100%;height:auto;aspect-ratio:1600/620;object-fit:cover}.quickbar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0 0}.quick{padding:15px 16px;background:linear-gradient(180deg,#121c2f,#0e1727);border:1px solid var(--line);border-radius:16px;min-height:74px}.quick-k{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan);font-weight:900}.quick b{display:block;margin-top:4px;font-size:14px}.breadcrumbs{padding:24px 0 0;color:#8291a7;font-size:13px}.breadcrumbs a{color:#cdefff}
.content{padding:24px 0 62px}.article{max-width:930px;margin:auto}.article h1{font-size:clamp(38px,5vw,64px);line-height:1.02;letter-spacing:-.045em;margin:8px 0 20px}.article-intro{font-size:18px;color:#cbd5e4;margin-bottom:28px;border-left:3px solid var(--cyan);padding-left:18px}.article section{padding:28px 0;border-top:1px solid var(--line)}.article section:first-of-type{border-top:0}h2{font-size:clamp(28px,3.2vw,40px);line-height:1.12;letter-spacing:-.03em;margin:0 0 16px}h3{font-size:22px;line-height:1.25;margin:28px 0 10px;color:#efffe0}p{margin:0 0 16px;color:#b8c4d4}ul,ol{color:#b8c4d4;padding-left:22px}li{margin:7px 0}.callout{border:1px solid rgba(200,255,114,.24);background:linear-gradient(135deg,rgba(200,255,114,.08),rgba(102,227,255,.05));border-radius:18px;padding:18px 20px;margin:22px 0;color:#d8e8d0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.card{background:linear-gradient(180deg,#111c2f,#0e1726);border:1px solid var(--line);border-radius:16px;padding:18px}.card b{color:#fff}.card p{font-size:14px;margin:8px 0 0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;margin:22px 0}table{width:100%;border-collapse:collapse;min-width:650px;background:#0e1726}th,td{text-align:left;padding:14px 15px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#dffff4;background:#142138}td{color:#b8c4d4}.faq{display:grid;gap:10px;margin-top:18px}.faq details{border:1px solid var(--line);background:#0f1929;border-radius:14px;padding:0 18px}.faq summary{cursor:pointer;padding:15px 0;font-weight:800;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq details p{padding:0 0 15px;margin:0}
.site-footer{border-top:1px solid var(--line);background:#070b12;padding:42px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .85fr .85fr;gap:34px}.footer-about p{font-size:14px;color:#77879b;max-width:340px;margin-top:12px}.footer-col h4{margin:0 0 12px;font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--lime)}.footer-col a,.footer-col span{display:block;color:#95a4b7;font-size:14px;padding:5px 0}.footer-col a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:#617086;font-size:12px}.tech{padding:56px 0 80px}.tech article{max-width:820px;margin:auto}.tech h1{font-size:46px}.back{display:inline-flex;margin-bottom:22px;color:var(--cyan)}
@media(max-width:980px){.main-nav{display:none}.mobile-toggle{display:block}.header-actions .btn-ghost{display:none}.mobile-menu{display:none;position:absolute;top:72px;left:0;right:0;background:#0b1322;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:12px 10px;border-bottom:1px solid var(--line)}.mobile-menu a:last-child{border-bottom:0}.quickbar{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.wrap{width:min(var(--wrap),calc(100% - 24px))}.header-row{gap:10px}.brand{font-size:18px}.brand-mark{width:36px;height:36px}.header-actions .btn-primary{padding:0 12px;min-height:40px}.mobile-toggle{width:40px;height:40px}.hero{padding-top:14px}.hero-card{border-radius:18px}.quickbar{grid-template-columns:1fr}.article h1{font-size:38px}.article-intro{font-size:16px}.cards{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.tech h1{font-size:34px}}