:root{--navy:#071427;--navy2:#0d2340;--blue:#1d74d0;--cyan:#40d9df;--yellow:#f5c84c;--red:#e36a5c;--ink:#162431;--muted:#62717a;--paper:#f7f9fb;--grid:#dfe7eb;--panel:#fff;--max:1440px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.66}a{color:#0c67af;text-underline-offset:.18em}a:hover{color:#9f5417}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:10px;background:#fff;padding:10px;z-index:100}
header{position:sticky;top:0;z-index:40;background:rgba(7,20,39,.97);border-bottom:1px solid #254261;backdrop-filter:blur(10px)}.top{display:flex;min-height:78px;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-weight:900;letter-spacing:-.025em}.mark{width:44px;height:44px;border-radius:50%;border:3px solid var(--cyan);position:relative;box-shadow:0 0 0 5px rgba(64,217,223,.09)}.mark:before{content:"";position:absolute;left:18px;top:-8px;width:4px;height:54px;background:var(--yellow);transform:rotate(26deg);clip-path:polygon(0 0,100% 0,100% 42%,0 58%)}
nav ul{display:flex;list-style:none;padding:0;margin:0;gap:17px;flex-wrap:wrap}nav a{color:#d8e9f1;text-decoration:none;font-size:.92rem;font-weight:760}.menu{display:none;border:1px solid #3f5c75;background:#102b49;color:#fff;border-radius:8px;padding:8px 11px;font-weight:800}
.hero{background:radial-gradient(circle at 72% 35%,#153e69 0,#0a213b 35%,#061424 72%);color:#fff;overflow:hidden}.heroGrid{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:58px;padding:74px 0 80px}.eyebrow{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:var(--yellow)}h1,h2,h3{line-height:1.14;letter-spacing:-.028em}h1{font-size:clamp(2.5rem,6vw,5.1rem);margin:.23em 0 .3em}.hero p{font-size:1.14rem;color:#c3d7e3;max-width:860px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;padding:12px 18px;border-radius:8px;border:1px solid #aabac4;background:#fff;color:#122433;text-decoration:none;font-weight:850}.primary{background:var(--yellow);border-color:var(--yellow);color:#08131e}
.gridscene{height:410px;position:relative;border:1px solid #30567a;border-radius:18px;background:linear-gradient(180deg,#0a1a31,#071423);box-shadow:0 28px 78px rgba(0,0,0,.4);overflow:hidden}.line{position:absolute;height:4px;background:var(--cyan);transform-origin:left center;box-shadow:0 0 12px rgba(64,217,223,.35)}.line.a{left:9%;top:30%;width:44%;transform:rotate(12deg)}.line.b{left:47%;top:40%;width:43%;transform:rotate(-18deg)}.line.c{left:13%;top:70%;width:39%;transform:rotate(-17deg)}.line.d{left:51%;top:62%;width:39%;transform:rotate(13deg)}.line.e{left:46%;top:18%;width:4px;height:250px;background:var(--yellow)}
.node{position:absolute;width:52px;height:52px;border-radius:50%;border:4px solid #d6f4f6;background:#102c49;box-shadow:0 0 0 8px rgba(64,217,223,.08)}.node:after{content:"";position:absolute;inset:13px;border-radius:50%;background:var(--cyan)}.n1{left:6%;top:22%}.n2{left:43%;top:33%}.n3{right:7%;top:16%}.n4{left:12%;bottom:18%}.n5{right:8%;bottom:19%}.n6{left:43%;bottom:12%}.tower{position:absolute;right:42%;top:8%;width:62px;height:95px;border-left:4px solid #9cb9c7;border-right:4px solid #9cb9c7;clip-path:polygon(43% 0,57% 0,100% 100%,0 100%)}.tower:before,.tower:after{content:"";position:absolute;left:-20px;right:-20px;height:4px;background:#9cb9c7}.tower:before{top:30px}.tower:after{top:57px}
.section{padding:62px 0}.soft{background:#eaf0f4}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card{background:#fff;border:1px solid #d4dfe5;border-radius:15px;padding:23px;box-shadow:0 8px 24px rgba(20,45,64,.06)}.card h3{margin-top:0}.kicker{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;font-weight:900;color:#a76512}
.pageHero{background:linear-gradient(120deg,#0a1d35,#123c65);color:#fff;padding:52px 0 44px}.pageHero h1{font-size:clamp(2.2rem,5vw,4rem);max-width:1100px}.pageHero p{font-size:1.12rem;color:#c7dce8;max-width:920px}.breadcrumbs{padding-top:15px;font-size:.9rem;color:#607581}.breadcrumbs a{color:#607581}.content{max-width:920px}.content p{font-size:1.045rem}.note{margin:26px 0;padding:18px 20px;border-left:5px solid var(--yellow);background:#fff8df;border-radius:0 12px 12px 0}.warning{border-left-color:var(--red);background:#fff0ec}.toc{background:#e8f5f7;border:1px solid #bcdde0;border-radius:14px;padding:18px 20px;margin:26px 0}.related{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.related a{display:block;background:#fff;border:1px solid #d4dfe5;border-radius:12px;padding:15px;text-decoration:none;font-weight:800}
.tool{max-width:890px;background:#fff;border:1px solid #cbd8df;border-radius:17px;padding:26px;box-shadow:0 15px 42px rgba(17,38,55,.1)}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:800}.field input,.field select{padding:11px 12px;border:1px solid #9fb1bb;border-radius:8px;font:inherit}.result{margin-top:17px;padding:17px;background:#e9f7f8;border:1px solid #b9dfe2;border-radius:10px}.result strong{font-size:1.38rem;color:#075f75}.check label{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed #cedbe0}.check input{margin-top:5px}
.tableWrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid #d9e1e5;text-align:left}th{background:#ebf1f4}
footer{background:#071427;color:#c5d7df;margin-top:60px}.foot{display:grid;grid-template-columns:1.05fr 1.95fr;gap:40px;padding:46px 0}.footlinks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 18px}.footlinks a{color:#e2eef2;text-decoration:none}.fine{border-top:1px solid #233d55;padding:17px 0 26px;color:#8fa5b0;font-size:.89rem}.cookie{background:none;border:0;padding:0;color:inherit;text-decoration:underline;font:inherit;cursor:pointer}
@media(max-width:980px){nav{display:none}.menu{display:block}nav.open{display:block;position:absolute;top:78px;left:0;right:0;background:#071427;border-bottom:1px solid #254261;padding:17px}nav.open ul{width:min(var(--max),calc(100% - 36px));margin:auto;display:grid;grid-template-columns:repeat(2,1fr)}.heroGrid{grid-template-columns:1fr}.gridscene{max-width:720px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related{grid-template-columns:repeat(2,minmax(0,1fr))}.foot{grid-template-columns:1fr}}
@media(max-width:640px){.wrap{width:min(var(--max),calc(100% - 24px))}.grid,.grid2,.formgrid,.related{grid-template-columns:1fr}.footlinks{grid-template-columns:repeat(2,1fr)}.gridscene{height:330px}.section{padding:45px 0}}