:root{--bg:#060a14;--bg2:#0a1122;--card:#101a2e;--card2:#0d1526;--line:rgba(255,255,255,.09);--txt:#e9effb;--muted:#96a6c0;--brand:#2ee6c5;--brand2:#4a8cff;--warn:#ffb648;--grad:linear-gradient(135deg,#2ee6c5,#4a8cff);--shadow:0 18px 44px rgba(0,0,0,.38);--r:18px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select{font:inherit}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(6,10,20,.55);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
header.scrolled{background:rgba(6,10,20,.94);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.4px;flex:0 0 auto}
.logo img{width:34px;height:34px;border-radius:9px}
.logo span b{color:var(--brand)}
.menu{display:flex;align-items:center;gap:4px;flex:1}
.menu>li{position:relative}
.menu>li>a,.menu>li>label{display:flex;align-items:center;gap:6px;padding:10px 13px;border-radius:10px;color:#cfdaeb;font-size:15px;cursor:pointer;transition:color .2s,background .2s}
.menu>li>a:hover,.menu>li>label:hover,.menu>li>a.on{color:#fff;background:rgba(255,255,255,.06)}
.dd>label::after{content:"▾";font-size:11px;color:var(--brand);transition:transform .25s}
.dd-toggle{position:absolute;opacity:0;pointer-events:none}
.dd-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:196px;background:#fff;color:#16233a;border-radius:14px;box-shadow:0 20px 48px rgba(3,10,22,.28);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s,transform .22s,visibility .22s}
.dd:hover .dd-menu,.dd-toggle:checked+.dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dd:hover>label::after,.dd-toggle:checked+label::after{transform:rotate(180deg)}
.dd-menu a{display:block;padding:9px 12px;border-radius:9px;font-size:14px;color:#26364f}
.dd-menu a:hover{background:#eef4ff;color:#1447b8}
.nav-cta{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;padding:11px 22px;border-radius:999px;background:var(--grad);color:#04120f;font-weight:700;font-size:15px;box-shadow:0 10px 24px rgba(46,230,197,.25);transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(74,140,255,.34)}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);cursor:pointer}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:#dbe6f7;border-radius:2px;position:relative;content:""}
.burger span::before{position:absolute;top:-6px}
.burger span::after{position:absolute;top:6px}
#navToggle{position:absolute;opacity:0;pointer-events:none}
main{padding-top:70px}
section{padding:88px 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid rgba(46,230,197,.3);background:rgba(46,230,197,.08);color:var(--brand);border-radius:999px;font-size:13px;letter-spacing:.6px;margin-bottom:18px}
h1,h2,h3{line-height:1.32;font-weight:800}
h1{font-size:clamp(30px,4.4vw,52px);letter-spacing:-.5px}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:19px}
p{color:var(--muted)}
.sec-head{max-width:760px;margin:0 auto 46px;text-align:center}
.sec-head h2{margin-bottom:14px}
.sec-head p{font-size:16px}
.hero{padding:70px 0 84px;background:radial-gradient(900px 460px at 78% 8%,rgba(74,140,255,.20),transparent 70%),radial-gradient(700px 420px at 15% 20%,rgba(46,230,197,.13),transparent 72%),linear-gradient(180deg,#070d1a,#060a14)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{margin-bottom:20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:17px;max-width:560px;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:13px 28px;border-radius:999px;background:var(--grad);color:#04120f;font-weight:800;font-size:16px;border:0;cursor:pointer;box-shadow:0 14px 32px rgba(46,230,197,.25);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid rgba(255,255,255,.28);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:520px}
.stat{padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03)}
.stat b{display:block;font-size:24px;color:#fff;letter-spacing:-.5px}
.stat span{font-size:12.5px;color:var(--muted)}
.sim{background:linear-gradient(180deg,#101c33,#0b1324);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:20px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.sim::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 220px at 80% 0,rgba(46,230,197,.16),transparent 70%);pointer-events:none}
.sim-top{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1;margin-bottom:16px}
.sim-top b{font-size:15px;color:#fff}
.sim-state{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);padding:5px 11px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04)}
.dot{width:8px;height:8px;border-radius:50%;background:#7c8aa2}
.sim-state .on{display:none;color:var(--brand)}
#conn:checked~.sim .sim-state .off{display:none}
#conn:checked~.sim .sim-state .on{display:inline-block}
#conn:checked~.sim .dot{background:var(--brand);box-shadow:0 0 10px var(--brand)}
.sim-map{position:relative;height:118px;border-radius:14px;background:linear-gradient(135deg,#0a1730,#0c2138);border:1px solid var(--line);overflow:hidden;margin-bottom:16px}
.sim-map .grid-line{position:absolute;inset:0;background-image:linear-gradient(rgba(74,140,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(74,140,255,.12) 1px,transparent 1px);background-size:26px 26px}
.node{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(46,230,197,.14);animation:pulse 2.6s infinite}
.node.n2{left:26%;top:56%;background:var(--brand2);box-shadow:0 0 0 4px rgba(74,140,255,.16);animation-delay:.5s}
.node.n3{left:52%;top:34%;animation-delay:1s}
.node.n4{left:74%;top:62%;background:var(--brand2);animation-delay:1.4s}
.node.n5{left:86%;top:28%;animation-delay:.8s}
.sim-map .path{position:absolute;left:18%;top:50%;width:58%;height:1px;background:linear-gradient(90deg,rgba(46,230,197,.7),rgba(74,140,255,.2));transform:rotate(-8deg)}
@keyframes pulse{0%,100%{opacity:.55;transform:scale(.85)}50%{opacity:1;transform:scale(1.25)}}
.sim-body{display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:center;position:relative;z-index:1}
.dial{width:132px;height:132px;border-radius:50%;background:conic-gradient(from 220deg,var(--brand) 0deg,var(--brand2) 168deg,rgba(255,255,255,.08) 168deg);display:grid;place-items:center;transition:background .5s}
.dial-inner{width:106px;height:106px;border-radius:50%;background:#0b1425;display:grid;place-items:center;text-align:center}
.dial-inner b{font-size:26px;color:#fff;letter-spacing:-1px}
.dial-inner span{display:block;font-size:11px;color:var(--muted);margin-top:-4px}
.sim-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.metric{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:11px;padding:8px 11px}
.metric span{display:block;font-size:11px;color:var(--muted)}
.metric b{font-size:17px;color:#fff}
.nodes{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px;position:relative;z-index:1}
.nodes label{padding:7px 12px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:var(--muted);cursor:pointer;transition:.2s;background:rgba(255,255,255,.03)}
.nodes input{position:absolute;opacity:0;pointer-events:none}
.nodes input:checked+label{color:#04120f;background:var(--grad);border-color:transparent;font-weight:700}
.toggles{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;position:relative;z-index:1}
.tog{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:10px;font-size:12.5px;color:var(--muted);cursor:pointer;background:rgba(255,255,255,.03)}
.tog input{position:absolute;opacity:0;pointer-events:none}
.tog i{width:28px;height:16px;border-radius:999px;background:#2a3750;position:relative;transition:background .2s;flex:0 0 auto}
.tog i::after{content:"";position:absolute;top:2px;left:2px;width:12px;height:12px;border-radius:50%;background:#8496b2;transition:transform .2s,background .2s}
.tog input:checked+i{background:rgba(46,230,197,.35)}
.tog input:checked+i::after{transform:translateX(12px);background:var(--brand)}
.tog input:focus-visible+i{outline:2px solid var(--brand);outline-offset:2px}
.sim-btn{display:flex;align-items:center;justify-content:center;width:100%;margin-top:16px;min-height:48px;padding:0 18px;border-radius:12px;border:0;cursor:pointer;background:var(--grad);color:#04120f;font-weight:800;font-size:15px;line-height:1.1;letter-spacing:.02em;text-align:center;box-shadow:0 10px 24px rgba(46,230,197,.18);transition:filter .2s,transform .2s;position:relative;z-index:1}
.sim-btn:hover{filter:brightness(1.07);transform:translateY(-1px)}
.sim-btn:active{transform:translateY(0);filter:brightness(.97)}
.sim-btn:focus-visible{outline:2px solid #8df9e8;outline-offset:3px}
.sim-btn .on{display:none}
#conn:checked~.sim .sim-btn .off{display:none}
#conn:checked~.sim .sim-btn .on{display:inline}
.sim-note{font-size:11.5px;color:#6f8099;text-align:center;margin-top:9px;position:relative;z-index:1}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fcard{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .25s,box-shadow .25s,border-color .25s}
.fcard:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(0,0,0,.42);border-color:rgba(46,230,197,.32)}
.ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(46,230,197,.1);border:1px solid rgba(46,230,197,.22);font-size:21px;margin-bottom:15px}
.fcard h3{margin-bottom:8px;font-size:17px}
.fcard p{font-size:14px;line-height:1.7}
.alt{background:linear-gradient(180deg,#070d19,#060a14)}
.node-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
.panel{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--r);padding:26px}
.region-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}
.region{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.03);font-size:13.5px}
.region span{color:var(--muted)}
.region b{color:var(--brand);font-size:13px}
.bars{margin-top:18px;display:grid;gap:12px}
.bar span{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.bar i{display:block;height:8px;border-radius:999px;background:rgba(255,255,255,.07);margin-top:6px;overflow:hidden}
.bar i::after{content:"";display:block;height:100%;width:var(--w);border-radius:999px;background:var(--grad)}
.protocol{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.proto{border:1px solid var(--line);border-radius:14px;padding:16px;background:rgba(255,255,255,.03)}
.proto b{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.proto span{font-size:12.5px;color:var(--muted)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scard{position:relative;border:1px solid var(--line);border-radius:var(--r);padding:24px;background:linear-gradient(180deg,var(--card),var(--card2));overflow:hidden;transition:transform .25s,border-color .25s}
.scard:hover{transform:translateY(-5px);border-color:rgba(74,140,255,.4)}
.scard em{position:absolute;right:14px;top:8px;font-size:44px;font-style:normal;color:rgba(255,255,255,.05);font-weight:800}
.scard h3{margin-bottom:8px;font-size:17px}
.scard p{font-size:14px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{border:1px solid var(--line);border-radius:var(--r);padding:26px;background:rgba(255,255,255,.03);position:relative}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:16px;right:20px;font-size:32px;font-weight:800;color:rgba(46,230,197,.22)}
.step h3{margin-bottom:8px;font-size:17px}
.step p{font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--card);display:flex;flex-direction:column;transition:transform .25s}
.plan:hover{transform:translateY(-4px)}
.plan.hot{border-color:rgba(46,230,197,.55);background:linear-gradient(180deg,rgba(46,230,197,.1),rgba(11,19,36,.96));box-shadow:0 20px 50px rgba(46,230,197,.12)}
.tag{display:inline-block;align-self:flex-start;padding:4px 12px;border-radius:999px;background:var(--grad);color:#04120f;font-size:12px;font-weight:800;margin-bottom:12px}
.plan h3{font-size:20px;margin-bottom:4px}
.plan .price{font-size:34px;font-weight:800;color:#fff;margin:10px 0 2px}
.plan .price small{font-size:13px;color:var(--muted);font-weight:400}
.plan ul{margin:16px 0 22px;display:grid;gap:9px}
.plan li{font-size:14px;color:#c6d2e6;padding-left:22px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.plan .btn{margin-top:auto;width:100%}
.faq{max-width:860px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:12px;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;font-weight:700;color:#eaf1ff;position:relative;font-size:15.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:14px;font-size:24px;color:var(--brand);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 20px 20px;color:var(--muted);font-size:14px}
.faq .ans b{color:var(--brand)}
.faq .ans ol{list-style:decimal;padding-left:20px;margin-top:8px;display:grid;gap:6px}
.testi{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:linear-gradient(180deg,var(--card),var(--card2))}
.stars{color:var(--warn);letter-spacing:2px;font-size:14px;margin-bottom:10px}
.quote p{font-size:14.5px;color:#c9d5e8}
.who{display:flex;align-items:center;gap:10px;margin-top:16px}
.av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(74,140,255,.18);color:#bcd4ff;font-weight:800;flex:0 0 auto}
.who b{display:block;font-size:14px;color:#fff}
.who span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ncard{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card);display:flex;flex-direction:column;transition:transform .25s,border-color .25s}
.ncard:hover{transform:translateY(-5px);border-color:rgba(46,230,197,.35)}
.ncard img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.ncard .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.ncard time{font-size:12px;color:#7f90aa;margin-bottom:8px}
.ncard h3{font-size:16.5px;margin-bottom:8px;line-height:1.5}
.ncard p{font-size:13.5px;flex:1}
.ncard .more{margin-top:12px;color:var(--brand);font-size:13.5px;font-weight:700}
.cta{padding:74px 0;background:radial-gradient(700px 300px at 50% 0,rgba(46,230,197,.18),transparent 70%),linear-gradient(180deg,#081020,#060a14);text-align:center}
.cta h2{margin-bottom:14px}
.cta p{max-width:600px;margin:0 auto 26px}
footer{padding:54px 0 26px;background:#050810;border-top:1px solid var(--line)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.fgrid h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.fgrid ul{display:grid;gap:9px}
.fgrid a,.fgrid p{font-size:13.5px;color:var(--muted)}
.fgrid a:hover{color:var(--brand)}
.fcol p{font-size:13.5px;line-height:1.8;max-width:280px}
.fbot{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#7b8ba4}
.fbot .links{display:flex;gap:16px}
#toTop{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(16,26,46,.92);color:var(--brand);display:grid;place-items:center;font-size:18px;opacity:0;visibility:hidden;transition:.25s;z-index:40;cursor:pointer}
#toTop.show{opacity:1;visibility:visible}
.page-hero{padding:64px 0 46px;background:radial-gradient(700px 320px at 70% 0,rgba(74,140,255,.18),transparent 70%);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);margin-bottom:14px}
.page-hero p{max-width:720px;font-size:16px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#8496b0;margin-bottom:18px}
.breadcrumb a{color:#a9b9d1}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:#65758d}
.dl-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}
.dl-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.dl-meta div b{display:block;font-size:18px;color:#fff}
.dl-meta div span{font-size:12.5px;color:var(--muted)}
.ver-list{display:grid;gap:16px}
.ver{display:grid;grid-template-columns:1.2fr .8fr auto;gap:18px;align-items:center;border:1px solid var(--line);border-radius:16px;padding:20px 24px;background:var(--card)}
.ver h3{font-size:17px}
.ver p{font-size:13px;margin-top:2px}
.ver .size{font-size:13px;color:var(--muted)}
.ver .btn{min-height:44px;padding:10px 20px;font-size:14px}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sys{border:1px solid var(--line);border-radius:14px;padding:20px;background:rgba(255,255,255,.03)}
.sys b{display:block;font-size:12px;color:#7f90aa;margin-bottom:4px;letter-spacing:.5px}
.sys span{font-size:14.5px;color:#dbe6f7}
.install{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:i}
.icard{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--card);position:relative}
.icard::before{counter-increment:i;content:counter(i);position:absolute;top:14px;right:18px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(46,230,197,.14);color:var(--brand);font-weight:800;font-size:14px}
.icard h3{font-size:16px;margin-bottom:6px}
.icard p{font-size:13.5px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start;padding:46px 0 80px}
.article{min-width:0}
.article h1{font-size:clamp(26px,3.1vw,38px);margin:8px 0 18px}
.meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:#8092ab;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:24px}
.article>img{width:100%;height:auto;border-radius:16px;margin-bottom:26px}
.article .lead{font-size:16.5px;color:#ccd8ea;margin-bottom:22px}
.article h2{font-size:22px;margin:32px 0 14px;padding-left:14px;border-left:3px solid var(--brand)}
.article p{margin-bottom:18px;font-size:15.5px;color:#b9c7dc;line-height:1.95}
.article strong{color:#fff}
.article blockquote{margin:22px 0;padding:18px 22px;border-left:3px solid var(--brand2);background:rgba(74,140,255,.07);border-radius:0 12px 12px 0;color:#cfdcef;font-size:15px}
.article blockquote span{display:block;margin-top:8px;font-size:13px;color:#8597b1}
.article figure{margin:24px 0}
.article figure img{width:100%;height:auto;border-radius:14px}
.article figcaption{font-size:12.5px;color:#7d8ea6;margin-top:8px;text-align:center}
.share{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.share a,.share span{font-size:13px;color:#9aabc3}
.share a{padding:6px 12px;border:1px solid var(--line);border-radius:999px}
.share a:hover{color:var(--brand);border-color:var(--brand)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:32px 0}
.pager a{border:1px solid var(--line);border-radius:13px;padding:15px 18px;font-size:14px;color:#c5d2e5;background:var(--card)}
.pager a:hover{border-color:rgba(46,230,197,.4)}
.pager small{display:block;font-size:11.5px;color:#7b8ca4;margin-bottom:3px}
.rel h2{font-size:19px;margin-bottom:16px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-grid a{border:1px solid var(--line);border-radius:12px;padding:15px;font-size:13.5px;background:var(--card);color:#c5d2e5}
.rel-grid a:hover{border-color:var(--brand);color:var(--brand)}
.comments{margin-top:38px}
.comments h2{font-size:20px;margin-bottom:18px}
.cmt{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.cmt .av{width:40px;height:40px;font-size:15px}
.cmt .who2 b{color:#fff;font-size:14px}
.cmt .who2 time{font-size:11.5px;color:#72839b;margin-left:8px}
.cmt p{font-size:14px;margin-top:5px;color:#b7c5d9}
.side{display:grid;gap:18px;position:sticky;top:90px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.side-card h3{font-size:15px;margin-bottom:14px;padding-left:11px;border-left:3px solid var(--brand)}
.toc{position:relative;padding-left:18px}
.toc::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:1px;background:var(--line)}
.toc a{display:block;position:relative;font-size:13.5px;color:#9dafc7;padding:6px 0;line-height:1.5}
.toc a::before{content:"";position:absolute;left:-17px;top:13px;width:7px;height:7px;border-radius:50%;background:#42536d}
.toc a:hover,.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);box-shadow:0 0 0 3px rgba(46,230,197,.16)}
.hot{display:grid;gap:11px}
.hot a{display:flex;gap:11px;font-size:13.5px;color:#b8c6da;line-height:1.5}
.hot a:hover{color:var(--brand)}
.hot i{flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;background:#26344b;color:#a9bad2;transition:transform .2s}
.hot a:nth-child(1) i{background:linear-gradient(135deg,#2ee6c5,#4a8cff);color:#04120f}
.hot a:nth-child(2) i{background:linear-gradient(135deg,#ffb648,#ff7a45);color:#241200}
.hot a:nth-child(3) i{background:linear-gradient(135deg,#ffd76a,#c99a2e);color:#241a00}
.hot a:hover i{transform:scale(1.12)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{padding:6px 11px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;color:#9fb0c7}
.tags a:hover{color:var(--brand);border-color:var(--brand);background:rgba(46,230,197,.07)}
.legal{max-width:880px;margin:0 auto;padding:46px 0 80px}
.legal h2{font-size:20px;margin:30px 0 12px}
.legal p{margin-bottom:14px;font-size:15px}
.legal ul{list-style:disc;padding-left:22px;display:grid;gap:8px;color:var(--muted);font-size:14.5px}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.map-col{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--card)}
.map-col h3{font-size:16px;margin-bottom:12px}
.map-col li{font-size:14px;color:#9fb0c7;padding:5px 0}
.map-col a:hover{color:var(--brand)}
.notice{padding:14px 18px;border:1px solid rgba(255,182,72,.3);background:rgba(255,182,72,.08);border-radius:12px;color:#e8c98d;font-size:13.5px}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.node{animation:none}}
@media(max-width:992px){
.nav{gap:12px}
.menu{position:fixed;top:70px;left:0;right:0;bottom:0;flex-direction:column;align-items:stretch;background:#080e1c;padding:16px 22px 40px;gap:2px;overflow-y:auto;transform:translateX(100%);transition:transform .3s;visibility:hidden}
#navToggle:checked~.menu{transform:none;visibility:visible}
.menu>li>a,.menu>li>label{padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
.dd-menu{position:static;opacity:1;visibility:visible;transform:none;display:none;background:transparent;box-shadow:none;padding:4px 0 8px 14px;min-width:0}
.dd-toggle:checked+.dd-menu{display:block}
.dd-menu a{color:#a9bad2;padding:9px 6px}
.dd-menu a:hover{background:rgba(255,255,255,.05)}
.dd:hover .dd-menu{display:block}
.nav-cta{display:none}
.burger{display:flex}
.hero-grid,.node-grid,.dl-grid{grid-template-columns:1fr;gap:34px}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.testi,.news-grid,.scene-grid,.price-grid,.rel-grid{grid-template-columns:repeat(2,1fr)}
.steps,.protocol{grid-template-columns:repeat(3,1fr)}
.article-wrap{grid-template-columns:1fr;gap:26px}
.side{position:static;grid-template-columns:1fr 1fr;display:grid}
.install{grid-template-columns:repeat(2,1fr)}
.fgrid{grid-template-columns:1fr 1fr}
.map-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
section{padding:62px 0}
.hero{padding:46px 0 60px}
.hero h1{font-size:32px}
.stats{grid-template-columns:repeat(3,1fr)}
.stat b{font-size:20px}
.sim-body{grid-template-columns:112px 1fr}
.dial{width:112px;height:112px}
.dial-inner{width:88px;height:88px}
.dial-inner b{font-size:21px}
.feature-grid,.scene-grid,.price-grid,.news-grid,.testi,.rel-grid,.sys-grid{grid-template-columns:1fr}
.steps,.protocol{grid-template-columns:1fr}
.side{grid-template-columns:1fr}
.ver{grid-template-columns:1fr;gap:8px}
.ver .btn{justify-self:start}
.pager{grid-template-columns:1fr}
.article h1{font-size:27px}
.fgrid{grid-template-columns:1fr 1fr}
.map-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.logo{font-size:17px}
.hero h1{font-size:28px}
.hero-btns .btn{width:100%}
.stats{gap:7px}
.stat{padding:11px}
.stat b{font-size:18px}
.stat span{font-size:11px}
.sim{padding:15px}
.sim-body{grid-template-columns:1fr;justify-items:center}
.sim-metrics{width:100%}
.fgrid{grid-template-columns:1fr}
.fbot{flex-direction:column;align-items:flex-start}
.article .lead{font-size:15px}
.article p{font-size:14.5px}
}