:root{
--bg:#080c15;--bg2:#0d1424;--bg3:#111c31;--card:rgba(255,255,255,.045);
--line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16);
--brand:#2b7cff;--brand2:#00e5c0;--gold:#ffb020;
--text:#e9f0ff;--muted:#93a4c6;--muted2:#6f809f;
--grad:linear-gradient(120deg,#00e5c0 0%,#2b7cff 55%,#7b5cff 100%);
--shadow:0 18px 48px rgba(0,0,0,.5);
--r:16px;--r2:12px;--max:1180px;
--ff:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--ff);font-size:16px;line-height:1.75;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
background:radial-gradient(900px 520px at 12% -8%,rgba(43,124,255,.22),transparent 62%),radial-gradient(760px 480px at 92% 4%,rgba(0,229,192,.14),transparent 60%),radial-gradient(700px 500px at 50% 108%,rgba(123,92,255,.13),transparent 62%)}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.center{text-align:center}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 24px;border-radius:12px;
font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}
.btn-primary{background:var(--grad);color:#04101f;box-shadow:0 10px 26px rgba(43,124,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(43,124,255,.46)}
.btn-ghost{border-color:var(--line2);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(43,124,255,.12);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

.header{position:fixed;top:0;left:0;right:0;z-index:80;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.header.stuck{background:rgba(6,10,18,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.42)}
.nav-inner{display:flex;align-items:center;gap:18px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;flex:0 0 auto}
.logo img{width:38px;height:38px;border-radius:10px;box-shadow:0 6px 18px rgba(43,124,255,.35)}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:20px}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;transition:background .18s ease,color .18s ease}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.caret{display:inline-block;font-size:11px;color:var(--muted);transition:transform .25s ease}
.drop{position:absolute;top:calc(100% + 10px);left:0;min-width:216px;background:#fff;border-radius:14px;padding:10px;
box-shadow:0 22px 54px rgba(0,0,0,.34);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s ease}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item:hover .caret,.nav-item:focus-within .caret{transform:rotate(180deg)}
.dp-tog{display:none}
.m-only{display:none}
.drop a{display:block;padding:9px 12px;border-radius:9px;color:#1a2333;font-size:14px;font-weight:600;transition:background .16s ease,color .16s ease}
.drop a:hover{background:#eef4ff;color:#2b7cff}
.drop a span{display:block;font-size:12px;font-weight:500;color:#7c8aa3;margin-top:2px}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.burger{display:none;width:44px;height:44px;border-radius:11px;border:1px solid var(--line2);background:rgba(255,255,255,.04);
cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger i{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
#navtoggle{display:none}
#navtoggle:checked~.burger i:nth-child(1){transform:translateY(7px) rotate(45deg)}
#navtoggle:checked~.burger i:nth-child(2){opacity:0}
#navtoggle:checked~.burger i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

main{padding-top:74px}
.section{padding:86px 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid rgba(0,229,192,.32);
background:rgba(0,229,192,.09);color:#7ef0dc;font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.h2{font-size:clamp(26px,3.4vw,40px)}
.lead{color:var(--muted);font-size:16.5px;margin-top:14px}

.hero{position:relative;padding:76px 0 68px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;border:1px solid var(--line2);
background:rgba(255,255,255,.05);font-size:13.5px;color:#b9c8e4;margin-bottom:22px}
.hero-badge em{font-style:normal;color:var(--brand2);font-weight:800}
.hero-title{font-size:clamp(34px,5vw,60px);line-height:1.14;letter-spacing:-.02em}
.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--muted);font-size:17.5px;margin:20px 0 30px;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px;max-width:600px}
.stat{padding:18px;border-radius:var(--r2);border:1px solid var(--line);background:var(--card)}
.stat-num{font-size:27px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--muted2);margin-top:2px}

.demo{border-radius:22px;border:1px solid var(--line2);background:linear-gradient(170deg,rgba(20,32,56,.96),rgba(9,14,26,.98));
box-shadow:var(--shadow),0 0 0 1px rgba(43,124,255,.12) inset;padding:20px;position:relative;overflow:hidden}
.demo::after{content:"";position:absolute;inset:-1px;border-radius:22px;pointer-events:none;
background:linear-gradient(140deg,rgba(0,229,192,.28),transparent 42%,rgba(123,92,255,.22));-webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude;padding:1px}
.demo-bar{display:flex;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.dot{width:10px;height:10px;border-radius:50%;background:#2f3d59}
.dot.g{background:#00e5c0}.dot.y{background:#ffb020}.dot.r{background:#ff5f6d}
.demo-bar b{margin-left:6px;font-size:13.5px;color:#b9c8e4;font-weight:700}
.demo-bar .live{margin-left:auto;font-size:12px;color:#7ef0dc;border:1px solid rgba(0,229,192,.3);padding:2px 10px;border-radius:999px}
.dial-wrap{display:flex;align-items:center;gap:20px;padding:22px 4px 16px;flex-wrap:wrap}
.dial{position:relative;width:140px;height:140px;flex:0 0 auto}
.dial svg{transform:rotate(-90deg);width:140px;height:140px}
.dial circle{fill:none;stroke-width:10;stroke-linecap:round}
.dial .track{stroke:rgba(255,255,255,.08)}
.dial .prog{stroke:url(#dg);transition:stroke-dashoffset .5s ease}
.dial-mid{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.dial-mid b{font-size:30px;font-weight:900;line-height:1}
.dial-mid span{font-size:11.5px;color:var(--muted2);letter-spacing:.08em;margin-top:4px}
.metrics{flex:1;min-width:160px;display:grid;gap:10px}
.metric{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;border-radius:11px;background:rgba(255,255,255,.045);border:1px solid var(--line);font-size:13.5px}
.metric span{color:var(--muted2)}
.metric b{font-weight:800}
.metric b.ok{color:var(--brand2)}
.node-strip{display:flex;gap:8px;flex-wrap:wrap;padding:4px 0 12px}
.node{padding:7px 13px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);
font-size:13px;color:#b9c8e4;cursor:pointer;transition:all .18s ease}
.node:hover{border-color:var(--brand);color:#fff}
.node.on{background:var(--grad);color:#04101f;border-color:transparent;font-weight:800}
.switches{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:6px}
.sw{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 13px;border-radius:11px;
background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:13.5px;color:#b9c8e4}
.sw input{display:none}
.sw label{width:42px;height:23px;border-radius:999px;background:#2c3a55;position:relative;cursor:pointer;flex:0 0 auto;transition:background .2s ease}
.sw label::after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#8798b6;transition:transform .2s ease,background .2s ease}
.sw input:checked+label{background:rgba(0,229,192,.28)}
.sw input:checked+label::after{transform:translateX(19px);background:var(--brand2)}
.demo-foot{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.demo-foot .btn{flex:1;min-width:150px}
.demo-note{font-size:12.5px;color:var(--muted2);margin:10px 2px 0}
.dc{display:none}
.v-off{display:none}
.conn-t-on{display:inline}
.dc:not(:checked)~.demo-body .v-on{display:none}
.dc:not(:checked)~.demo-body .v-off{display:block}
.dc:not(:checked)~.demo-body .live{display:none}
.dc:not(:checked)~.demo-body .node,.dc:not(:checked)~.demo-body .metrics{opacity:.45}
.dc:not(:checked)~.demo-body .conn-t-off{display:none}
.dc:checked~.demo-body .conn-t-on{display:none}
.conn-btn{width:100%;margin-top:14px;cursor:pointer}

.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g6{grid-template-columns:repeat(3,1fr)}
.card{padding:26px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-6px);border-color:rgba(43,124,255,.42);box-shadow:0 20px 44px rgba(0,0,0,.42)}
.card-icon{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:23px;
background:linear-gradient(140deg,rgba(0,229,192,.18),rgba(43,124,255,.2));border:1px solid var(--line2);margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.card .mini{margin-top:12px;font-size:13px;color:var(--brand2);font-weight:700}

.tbl{width:100%;border-collapse:collapse;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.tbl th,.tbl td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.tbl th{background:rgba(255,255,255,.05);color:#cfdcf5;font-weight:800}
.tbl tr:last-child td{border-bottom:0}
.tbl td{color:var(--muted)}
.tbl td b{color:var(--text)}

.node-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.nc{padding:20px;border-radius:var(--r2);border:1px solid var(--line);background:var(--card)}
.nc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.nc-top b{font-size:16px}
.ping{font-size:12.5px;font-weight:800;color:var(--brand2);background:rgba(0,229,192,.12);border:1px solid rgba(0,229,192,.3);padding:3px 10px;border-radius:999px;white-space:nowrap}
.bars{display:flex;gap:4px;align-items:flex-end;height:26px;margin-top:12px}
.bars i{flex:1;background:linear-gradient(180deg,var(--brand2),var(--brand));border-radius:3px;display:block}

.speed-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sp{padding:24px;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(170deg,rgba(255,255,255,.06),rgba(255,255,255,.02));text-align:center}
.sp b{display:block;font-size:31px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sp span{font-size:13.5px;color:var(--muted2)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{padding:26px 22px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);position:relative}
.step-num{width:38px;height:38px;border-radius:11px;background:var(--grad);color:#04101f;font-weight:900;
display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}

.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{padding:30px 26px;border-radius:20px;border:1px solid var(--line);background:var(--card);position:relative;transition:transform .22s ease,box-shadow .22s ease}
.plan:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(0,0,0,.42)}
.plan.pop{border-color:rgba(43,124,255,.6);background:linear-gradient(170deg,rgba(43,124,255,.16),rgba(0,229,192,.07));box-shadow:0 24px 56px rgba(43,124,255,.26)}
.plan-tag{position:absolute;top:-13px;right:22px;padding:5px 14px;border-radius:999px;background:var(--grad);color:#04101f;font-size:12.5px;font-weight:900}
.plan h3{font-size:19px;margin-bottom:6px}
.plan .desc{color:var(--muted2);font-size:13.5px;margin-bottom:16px}
.plan-price{font-size:38px;font-weight:900;line-height:1}
.plan-price small{font-size:14px;font-weight:600;color:var(--muted2);margin-left:6px}
.plan ul{margin:20px 0 24px;display:grid;gap:11px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.plan li i{font-style:normal;color:var(--brand2);flex:0 0 auto}

.faq{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--r2);background:var(--card);overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 54px 18px 22px;font-weight:700;font-size:16px;position:relative;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:8px;
display:flex;align-items:center;justify-content:center;background:rgba(43,124,255,.18);color:#8fbcff;font-weight:800;transition:transform .22s ease}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item .ans{padding:0 22px 20px;color:var(--muted);font-size:14.5px}
.faq-item .ans ol{margin:10px 0 0 18px;padding:0;list-style:decimal}
.faq-item .ans li{margin-bottom:7px}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{padding:26px;border-radius:var(--r);border:1px solid var(--line);background:var(--card)}
.stars{color:#ffb020;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.quote p{color:#cfdcf5;font-size:15px;margin-bottom:18px}
.quote-user{display:flex;align-items:center;gap:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#04101f;font-weight:900;
display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto}
.quote-user b{display:block;font-size:14.5px}
.quote-user span{font-size:12.5px;color:var(--muted2)}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{border-radius:var(--r);border:1px solid var(--line);background:var(--card);overflow:hidden;display:flex;flex-direction:column;
transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-card:hover{transform:translateY(-6px);border-color:rgba(43,124,255,.42);box-shadow:0 22px 46px rgba(0,0,0,.44)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0f1728}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-cat{position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:999px;background:rgba(6,12,22,.78);
border:1px solid rgba(0,229,192,.34);color:#7ef0dc;font-size:12px;font-weight:700;backdrop-filter:blur(6px)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{font-size:12.5px;color:var(--muted2);margin-bottom:10px;display:flex;gap:12px;flex-wrap:wrap}
.news-body h3{font-size:17px;margin-bottom:10px;line-height:1.45}
.news-body p{color:var(--muted);font-size:14px;margin:0 0 16px}
.news-body .more{margin-top:auto;color:var(--brand2);font-weight:700;font-size:14px}

.cta{border-radius:24px;border:1px solid var(--line2);padding:56px 34px;text-align:center;
background:linear-gradient(150deg,rgba(0,229,192,.13),rgba(43,124,255,.18) 52%,rgba(123,92,255,.15));box-shadow:var(--shadow)}
.cta h2{font-size:clamp(24px,3.2vw,38px);margin-bottom:14px}
.cta p{color:#c2d1ec;max-width:640px;margin:0 auto 28px}
.cta .hero-btns{justify-content:center}

.footer{border-top:1px solid var(--line);background:rgba(6,10,18,.72);padding:58px 0 26px;margin-top:80px}
.foot-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-col h4{font-size:15px;margin-bottom:16px;color:#fff}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .18s ease}
.foot-col a:hover{color:var(--brand2)}
.foot-about p{color:var(--muted);font-size:14px;margin:14px 0 0;max-width:340px}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;
align-items:center;justify-content:space-between;color:var(--muted2);font-size:13.5px}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--brand2)}
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line2);
background:rgba(10,16,30,.9);color:var(--text);font-size:18px;cursor:pointer;display:none;align-items:center;justify-content:center;z-index:60}
.to-top.on{display:flex}

.crumb{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13.5px;color:var(--muted2);padding:26px 0 6px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand2)}
.crumb i{font-style:normal;color:var(--muted2);opacity:.7}

.page-head{padding:22px 0 10px;max-width:900px}
.page-head h1{font-size:clamp(27px,3.8vw,44px);margin-bottom:14px}
.page-head p{color:var(--muted);font-size:16.5px;max-width:760px}

.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:38px;align-items:start;padding:22px 0 10px}
.article{min-width:0}
.article h1{font-size:clamp(25px,3.4vw,38px);margin-bottom:16px;line-height:1.32}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:13.5px;color:var(--muted2);
padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px}
.article-meta .who{display:flex;align-items:center;gap:9px;color:#c3d1ea}
.article-meta .who .avatar{width:32px;height:32px;font-size:13px}
.article figure{margin:0 0 26px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.article figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article figure.body-img img{aspect-ratio:2/1}
.article figcaption{padding:11px 16px;font-size:13px;color:var(--muted2);background:rgba(255,255,255,.03)}
.article p{color:#c6d4ee;font-size:16px;margin:0 0 19px}
.article h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid;border-image:var(--grad) 1;scroll-margin-top:96px}
.article ul.dot{margin:0 0 20px 4px;display:grid;gap:9px}
.article ul.dot li{position:relative;padding-left:20px;color:#c6d4ee;font-size:15.5px}
.article ul.dot li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.article .keybox{margin:26px 0;padding:20px 22px;border-radius:var(--r2);border:1px solid rgba(0,229,192,.3);background:rgba(0,229,192,.07)}
.article .keybox b{display:block;margin-bottom:8px;color:#7ef0dc}
.article .keybox p{margin:0;font-size:15px}
.article blockquote{margin:24px 0;padding:18px 22px;border-left:3px solid var(--brand);background:rgba(43,124,255,.08);border-radius:0 var(--r2) var(--r2) 0}
.article blockquote p{margin:0 0 8px;color:#dbe6fb;font-style:italic}
.article blockquote cite{font-size:13.5px;color:var(--muted2);font-style:normal}
.article .end-note{margin-top:30px;padding:20px 22px;border-radius:var(--r2);border:1px solid var(--line);background:var(--card);font-size:15px}

.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:34px 0 26px}
.pn{padding:16px 18px;border-radius:var(--r2);border:1px solid var(--line);background:var(--card);transition:all .2s ease}
.pn:hover{border-color:rgba(43,124,255,.45);transform:translateY(-3px)}
.pn span{display:block;font-size:12.5px;color:var(--muted2);margin-bottom:6px}
.pn b{font-size:14.5px;font-weight:700}

.sidebar{position:sticky;top:96px;display:grid;gap:20px}
.side-card{padding:20px;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(175deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
box-shadow:0 16px 36px rgba(0,0,0,.3)}
.side-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800;margin-bottom:16px}
.side-title::before{content:"";width:4px;height:17px;border-radius:2px;background:var(--grad)}
.toc{position:relative;padding-left:18px;display:grid;gap:13px}
.toc::before{content:"";position:absolute;left:5px;top:5px;bottom:5px;width:1px;background:var(--line2)}
.toc a{position:relative;display:block;font-size:14px;color:var(--muted);transition:color .18s ease;line-height:1.5}
.toc a::before{content:"";position:absolute;left:-17px;top:8px;width:9px;height:9px;border-radius:50%;background:#2c3a55;border:1px solid var(--line2)}
.toc a:hover{color:#fff}
.toc a.active{color:var(--brand2);font-weight:800}
.toc a.active::before{background:var(--brand2);box-shadow:0 0 0 4px rgba(0,229,192,.16)}
.hot{display:grid;gap:6px}
.hot a{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--muted);padding:7px 0;transition:color .18s ease}
.hot a:hover{color:var(--brand2)}
.hot b{flex:0 0 auto;width:23px;height:23px;border-radius:7px;display:flex;align-items:center;justify-content:center;
font-size:12px;font-weight:900;background:#243149;color:#8798b6;transition:transform .18s ease}
.hot a:nth-child(1) b{background:var(--grad);color:#04101f}
.hot a:nth-child(2) b{background:linear-gradient(140deg,#ffb020,#ff7a3d);color:#2a1400}
.hot a:nth-child(3) b{background:linear-gradient(140deg,#ffd76e,#ffb020);color:#2a1400}
.hot a:hover b{transform:scale(1.12)}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tags span{padding:6px 13px;border-radius:999px;border:1px solid var(--line2);background:rgba(255,255,255,.04);
font-size:13px;color:var(--muted);cursor:default;transition:all .18s ease}
.tags span:hover{border-color:var(--brand);color:#fff;background:rgba(43,124,255,.16)}

.comments{margin-top:42px;padding-top:30px;border-top:1px solid var(--line)}
.comments h3{font-size:20px;margin-bottom:20px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0}
.comment .avatar{width:40px;height:40px}
.comment .cbody{flex:1;min-width:0}
.comment .chead{display:flex;flex-wrap:wrap;gap:10px;align-items:baseline;margin-bottom:7px}
.comment .chead b{font-size:14.5px}
.comment .chead span{font-size:12.5px;color:var(--muted2)}
.comment p{margin:0;color:var(--muted);font-size:14.5px}

.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
html.js .reveal.in{opacity:1;transform:none}

.nf{min-height:58vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 0}
.nf-code{font-size:clamp(80px,16vw,150px);font-weight:900;line-height:1;background:var(--grad);
-webkit-background-clip:text;background-clip:text;color:transparent}
.nf h1{font-size:clamp(22px,3.2vw,32px);margin:10px 0 14px}
.nf p{color:var(--muted);max-width:520px;margin:0 auto 24px}
.nf-count{color:var(--brand2);font-weight:800}

.doc{max-width:880px;margin:0 auto}
.doc h2{font-size:21px;margin:34px 0 12px;padding-left:14px;border-left:4px solid;border-image:var(--grad) 1}
.doc p,.doc li{color:#c6d4ee;font-size:15.5px}
.doc ul.dot{margin:0 0 18px 4px;display:grid;gap:9px}
.doc ul.dot li{position:relative;padding-left:20px}
.doc ul.dot li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--grad)}
.doc .note{margin:22px 0;padding:18px 20px;border-radius:var(--r2);border:1px dashed var(--line2);background:rgba(255,255,255,.03);font-size:14.5px;color:var(--muted)}
.smap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.smap-col{padding:24px;border-radius:var(--r);border:1px solid var(--line);background:var(--card)}
.smap-col h3{font-size:16.5px;margin-bottom:14px}
.smap-col a{display:block;padding:7px 0;color:var(--muted);font-size:14px;border-bottom:1px dashed var(--line)}
.smap-col a:last-child{border-bottom:0}
.smap-col a:hover{color:var(--brand2)}

.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.dl-card{padding:26px;border-radius:var(--r);border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column}
.dl-card.pop{border-color:rgba(43,124,255,.55);background:linear-gradient(170deg,rgba(43,124,255,.15),rgba(0,229,192,.06))}
.dl-card h3{font-size:18px;margin-bottom:6px}
.dl-card .ver{font-size:13px;color:var(--muted2);margin-bottom:14px}
.dl-card .size{font-size:14px;color:var(--brand2);font-weight:800;margin-bottom:14px}
.dl-card ul{display:grid;gap:10px;margin-bottom:22px}
.dl-card li{display:flex;gap:9px;color:var(--muted);font-size:14.5px}
.dl-card li i{font-style:normal;color:var(--brand2)}
.dl-card .btn{margin-top:auto}

@media(max-width:992px){
.wrap{padding:0 18px}
.hero{padding:52px 0 48px}
.hero-grid{grid-template-columns:1fr;gap:38px}
.hero-sub{max-width:none}
.g4,.g6,.node-grid,.quotes,.dl-grid,.speed-panel,.steps,.pricing,.news-grid,.smap-grid{grid-template-columns:repeat(2,1fr)}
.steps,.speed-panel{grid-template-columns:repeat(2,1fr)}
.article-wrap{grid-template-columns:1fr;gap:0}
.sidebar{position:static;margin-top:34px}
.foot-cols{grid-template-columns:1fr 1fr;gap:26px}
.nav{position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:14px;
background:rgba(6,11,21,.98);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;opacity:0;
transition:max-height .32s ease,opacity .28s ease,padding .28s ease;margin-left:0}
#navtoggle:checked~.nav{max-height:640px;opacity:1;overflow-y:auto}
.burger{display:flex;margin-left:auto}
.nav-cta{display:none}
.m-only{display:block}
.nav-item{width:100%}
.nav-link{justify-content:space-between;padding:13px 12px;font-size:15.5px}
.drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.04);
max-height:0;overflow:hidden;padding:0 8px;transition:max-height .28s ease,padding .28s ease}
.nav-item.open .drop{max-height:340px;padding:8px}
.dp-tog:checked~.drop{max-height:340px;padding:8px}
.drop a{color:#c6d4ee}
.drop a:hover{background:rgba(43,124,255,.18);color:#fff}
.drop a span{color:var(--muted2)}
.nav-item.open .caret{transform:rotate(180deg)}
.dp-tog:checked~.nav-link .caret{transform:rotate(180deg)}
}
@media(max-width:768px){
.section{padding:60px 0}
.g3,.g4,.g6,.node-grid,.quotes,.dl-grid,.news-grid,.smap-grid,.pricing{grid-template-columns:1fr}
.speed-panel{grid-template-columns:repeat(2,1fr)}
.steps{grid-template-columns:1fr}
.stats{grid-template-columns:1fr}
.cta{padding:38px 22px}
.dial-wrap{gap:16px}
.prevnext{grid-template-columns:1fr}
}
@media(max-width:480px){
body{font-size:15.5px}
.wrap{padding:0 14px}
.hero-title{font-size:31px}
.hero-btns .btn{width:100%}
.speed-panel{grid-template-columns:1fr}
.switches{grid-template-columns:1fr}
.foot-cols{grid-template-columns:1fr}
.foot-bottom{flex-direction:column;align-items:flex-start}
.demo{padding:15px;border-radius:18px}
.dial,.dial svg{width:118px;height:118px}
.card,.plan,.quote,.side-card{padding:20px}
.to-top{right:14px;bottom:16px}
}
@media print{.header,.to-top,.demo-foot,.cta{display:none}}