:root{--bg:#0b1226;--bg2:#0e1730;--card:#121d3d;--card2:#16244a;--line:rgba(122,145,255,.16);--txt:#e8edff;--sub:#9aa7d0;--pri:#2f6bff;--pri2:#7a5cff;--acc:#22d3ee;--grad:linear-gradient(135deg,#2f6bff 0%,#7a5cff 100%);--grad2:linear-gradient(135deg,#22d3ee 0%,#2f6bff 100%);--gold:#f5a623;--ok:#2ee6a8;--warn:#ff6b6b;--r:16px;--sh:0 18px 48px rgba(4,10,32,.55)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-tag{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--acc);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.35);padding:6px 18px;border-radius:99px;margin-bottom:16px}
.sec-title{font-size:36px;font-weight:800;line-height:1.3;margin-bottom:14px}
.sec-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-desc{color:var(--sub);font-size:16px}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:rgba(47,107,255,.45)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:99px;font-size:16px;font-weight:700;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s,opacity .2s}
.btn:active{transform:scale(.96)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 30px rgba(47,107,255,.4)}
.btn-grad:hover{box-shadow:0 14px 38px rgba(122,92,255,.55);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--txt);border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc)}
.btn-block{width:100%}
.btn-sm{padding:9px 22px;font-size:14px}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(11,18,38,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background .3s,border-color .3s}
.nav.scrolled{background:rgba(8,13,30,.94);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;height:68px;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;flex-shrink:0}
.brand img{width:36px;height:36px;border-radius:9px}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1}
.nav-menu>li{position:relative}
.nav-menu>li>a,.nav-menu>li>.nav-label{display:flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:600;color:#c9d4f5;border-radius:10px;cursor:pointer;transition:color .2s,background .2s;user-select:none}
.nav-menu>li>a:hover,.nav-menu>li>.nav-label:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu>li>.nav-label .caret{transition:transform .3s}
.drop-toggle{position:absolute;opacity:0;pointer-events:none}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:210px;background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(3,8,24,.5);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s}
.dropdown a{display:block;padding:10px 16px;border-radius:9px;color:#334;font-size:14px;font-weight:500;transition:background .2s,color .2s}
.dropdown a:hover{background:#eef3ff;color:var(--pri)}
.nav-menu>li:hover .dropdown,.drop-toggle:checked~.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-menu>li:hover .nav-label .caret,.drop-toggle:checked~.nav-label .caret{transform:rotate(180deg)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;position:relative;width:44px;height:44px;border-radius:10px;cursor:pointer;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:11px;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,top .3s,opacity .3s}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-7px;left:0}
.nav-toggle span::after{top:7px;left:0}
#nav-toggle{display:none}
.hero{position:relative;padding:160px 0 96px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.hero-bg i:nth-child(1){width:520px;height:520px;background:#2f6bff;top:-160px;left:-120px}
.hero-bg i:nth-child(2){width:420px;height:420px;background:#7a5cff;bottom:-140px;right:-100px}
.hero-bg i:nth-child(3){width:300px;height:300px;background:#22d3ee;top:30%;right:26%;opacity:.28}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:50px;line-height:1.22;font-weight:900;margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{color:var(--sub);font-size:17px;max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.stat b{display:block;font-size:34px;font-weight:900;background:var(--grad2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{color:var(--sub);font-size:14px}
.demo{background:linear-gradient(160deg,#101b3d,#0c1430);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--sh)}
.demo-top{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.demo-dot{width:11px;height:11px;border-radius:50%}
.demo-dot:nth-child(1){background:#ff5f57}.demo-dot:nth-child(2){background:#febc2e}.demo-dot:nth-child(3){background:#28c840}
.demo-title{margin-left:8px;font-size:13px;color:var(--sub)}
.gauge-wrap{display:flex;align-items:center;gap:26px;margin-bottom:22px}
.gauge{position:relative;width:170px;height:170px;flex-shrink:0}
.gauge svg{transform:rotate(-90deg);width:100%;height:100%}
.gauge .ring-bg{fill:none;stroke:rgba(255,255,255,.09);stroke-width:11}
.gauge .ring{fill:none;stroke:url(#gradRing);stroke-width:11;stroke-linecap:round;stroke-dasharray:440;stroke-dashoffset:132;transition:stroke-dashoffset 1s ease}
#speedToggle:checked~.gauge-wrap .gauge .ring{animation:spinGauge 2.4s ease-in-out infinite}
@keyframes spinGauge{0%{stroke-dashoffset:132}50%{stroke-dashoffset:66}100%{stroke-dashoffset:132}}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge-val{font-size:36px;font-weight:900;line-height:1}
.gauge-val small{font-size:14px;font-weight:600;color:var(--acc)}
.gauge-label{font-size:12px;color:var(--sub);margin-top:4px}
.demo-metrics{flex:1;display:grid;gap:12px}
.metric{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.metric span{color:var(--sub);font-size:13px}
.metric b{font-size:17px;color:var(--acc)}
.demo-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.demo-select{position:relative;flex:1}
.demo-select select{width:100%;appearance:none;-webkit-appearance:none;background:#1a2850;color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:11px 36px 11px 14px;font-size:14px;cursor:pointer}
.demo-select::after{content:"▾";position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--acc);pointer-events:none}
.switch-row{display:flex;gap:10px;flex-wrap:wrap}
.switch{position:relative;display:inline-flex;align-items:center;gap:8px;cursor:pointer;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;padding:9px 14px;font-size:13px;color:var(--sub);user-select:none}
.switch input{position:absolute;opacity:0}
.switch i{width:34px;height:18px;border-radius:99px;background:rgba(255,255,255,.15);position:relative;transition:background .3s}
.switch i::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:left .3s}
.switch input:checked~i{background:var(--grad)}
.switch input:checked~i::after{left:18px}
.switch input:checked~.sw-text{color:#fff}
.connect-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:15px;border-radius:14px;background:var(--grad);color:#fff;font-size:17px;font-weight:800;cursor:pointer;border:0;box-shadow:0 10px 26px rgba(47,107,255,.4);transition:transform .2s,box-shadow .2s}
.connect-btn:active{transform:scale(.97)}
#speedToggle{position:absolute;opacity:0;pointer-events:none}
.connect-btn::before{content:"⚡ 一键连接"}
#speedToggle:checked~.connect-btn{background:rgba(255,255,255,.08);box-shadow:none;border:1px solid var(--line)}
#speedToggle:checked~.connect-btn::before{content:"已连接 · 点击断开"}
#speedToggle:checked~.connect-btn .ct-dot{background:var(--ok)}
.ct-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);animation:pulse 1.6s infinite}
#speedToggle:checked~.connect-btn .ct-dot{animation:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.demo-status{text-align:center;font-size:13px;color:var(--sub);margin-top:12px}
.nodes-map{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:44px 28px;overflow:hidden}
.nodes-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.node{position:relative;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:16px 12px;text-align:center;transition:transform .25s,border-color .25s;cursor:pointer}
.node:hover{transform:translateY(-5px);border-color:var(--acc)}
.node b{display:block;font-size:16px;margin-bottom:6px}
.node span{font-size:12px;color:var(--sub)}
.node .ping{display:inline-block;margin-top:8px;font-size:11px;padding:3px 10px;border-radius:99px;background:rgba(46,230,168,.12);color:var(--ok)}
.node.hot .ping{background:rgba(245,166,35,.14);color:var(--gold)}
.speed-bars{display:grid;gap:18px}
.speed-bar-item{display:grid;grid-template-columns:150px 1fr 130px;gap:18px;align-items:center}
.speed-bar-item .nm{font-size:14px;font-weight:600;color:#c9d4f5}
.speed-track{height:14px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden}
.speed-fill{height:100%;border-radius:99px;background:var(--grad);transition:width .8s}
.speed-fill.f2{background:linear-gradient(90deg,#22d3ee,#2f6bff)}
.speed-fill.f3{background:linear-gradient(90deg,#f5a623,#ff6b6b)}
.speed-bar-item .val{font-size:14px;font-weight:700;color:var(--acc);text-align:right}
.proto-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proto{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative;overflow:hidden}
.proto::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad2)}
.proto h3{font-size:19px;margin-bottom:10px}
.proto p{color:var(--sub);font-size:14px;margin-bottom:16px}
.proto .tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:99px;background:rgba(34,211,238,.12);color:var(--acc);border:1px solid rgba(34,211,238,.3)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px 24px}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:20px;right:22px;font-size:44px;font-weight:900;color:rgba(122,92,255,.25)}
.step h3{font-size:18px;margin:14px 0 10px}
.step p{color:var(--sub);font-size:14px}
.step .ic{width:52px;height:52px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:24px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;position:relative;overflow:hidden;transition:transform .3s,border-color .3s}
.scene-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.5)}
.scene-card .ic{width:48px;height:48px;border-radius:13px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{color:var(--sub);font-size:14px}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 28px;display:flex;flex-direction:column;position:relative;transition:transform .3s}
.price:hover{transform:translateY(-8px)}
.price.hot{background:linear-gradient(160deg,#16244a,#1a2b63);border-color:rgba(47,107,255,.6);box-shadow:0 24px 60px rgba(47,107,255,.28);transform:scale(1.04)}
.price .pname{font-size:17px;font-weight:700;margin-bottom:14px}
.price .pnum{font-size:44px;font-weight:900;line-height:1}
.price .pnum small{font-size:15px;color:var(--sub);font-weight:500}
.price .pdesc{color:var(--sub);font-size:13px;margin:10px 0 22px}
.price ul{flex:1;display:grid;gap:12px;margin-bottom:26px}
.price li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#c9d4f5}
.price li::before{content:"✓";flex-shrink:0;width:20px;height:20px;border-radius:50%;background:rgba(46,230,168,.14);color:var(--ok);font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.price .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad2);color:#fff;font-size:12px;font-weight:700;padding:5px 18px;border-radius:99px;white-space:nowrap}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 26px;font-size:16px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:16px;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--acc);transition:transform .3s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 26px 22px;color:var(--sub);font-size:15px}
.faq-body ol{margin:12px 0 0;padding-left:4px;display:grid;gap:8px}
.faq-body ol li{display:flex;gap:10px}
.faq-body ol li::before{content:counter(faq-n);counter-increment:faq-n;flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--grad);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.faq-body{--n:0}
.faq-body ol{counter-reset:faq-n}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.testi .stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.testi p{color:#c9d4f5;font-size:14px;margin-bottom:18px;min-height:63px}
.testi .who{display:flex;align-items:center;gap:12px}
.testi .ava{width:44px;height:44px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;color:#fff;flex-shrink:0}
.testi .who b{display:block;font-size:14px}
.testi .who span{font-size:12px;color:var(--sub)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .3s,border-color .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.5)}
.news-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.news-card .nc-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-card .nc-meta{font-size:12px;color:var(--sub);display:flex;gap:14px;margin-bottom:10px}
.news-card .nc-meta b{color:var(--acc);font-weight:600}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;flex:1}
.news-card p{color:var(--sub);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cta{background:var(--grad);border-radius:24px;padding:60px 40px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.12);top:-170px;right:-90px}
.cta::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.1);bottom:-130px;left:-70px}
.cta h2{font-size:34px;font-weight:900;margin-bottom:14px;position:relative}
.cta p{opacity:.92;margin-bottom:30px;position:relative;font-size:16px}
.cta .btn{background:#fff;color:var(--pri);box-shadow:0 12px 30px rgba(0,0,0,.25);position:relative}
.footer{background:#070d20;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;padding-bottom:44px}
.footer h4{font-size:16px;margin-bottom:18px}
.footer .fabout{color:var(--sub);font-size:14px;margin:14px 0}
.footer li{margin-bottom:11px}
.footer li a{color:var(--sub);font-size:14px;transition:color .2s}
.footer li a:hover{color:var(--acc)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;text-align:center;color:#66749c;font-size:13px}
.crumb{background:rgba(14,23,48,.6);border-bottom:1px solid var(--line);padding:104px 0 18px;margin-bottom:44px}
.crumb-inner{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--sub);flex-wrap:wrap}
.crumb-inner a:hover{color:var(--acc)}
.crumb-inner b{color:var(--txt);font-weight:600}
.page-hero{padding:150px 0 60px;text-align:center}
.page-hero h1{font-size:42px;font-weight:900;margin-bottom:16px}
.page-hero p{color:var(--sub);max-width:640px;margin:0 auto;font-size:16px}
.dl-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dl-meta{display:flex;gap:36px;flex-wrap:wrap;margin:34px 0}
.dl-meta .m b{display:block;font-size:26px;font-weight:900;color:var(--acc)}
.dl-meta .m span{font-size:13px;color:var(--sub)}
.ver-list{display:grid;gap:18px}
.ver{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;transition:border-color .3s}
.ver:hover{border-color:rgba(47,107,255,.5)}
.ver .vn{font-size:19px;font-weight:800}
.ver .vn span{display:block;font-size:12px;color:var(--sub);font-weight:500;margin-top:4px}
.ver ul{display:flex;gap:16px;flex-wrap:wrap}
.ver li{font-size:13px;color:var(--sub);display:flex;gap:6px;align-items:center}
.ver li::before{content:"✓";color:var(--ok);font-weight:800}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.req b{display:block;font-size:16px;margin-bottom:8px}
.req span{color:var(--sub);font-size:14px}
.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.post{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding:24px 0 80px}
.post-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:38px}
.post-main img.cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;margin-bottom:26px}
.post-main h1{font-size:30px;line-height:1.4;font-weight:900;margin-bottom:16px}
.post-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--sub);font-size:13px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:24px}
.post-meta b{color:var(--acc)}
.post-main h2{font-size:22px;font-weight:800;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--acc)}
.post-main p{color:#c9d4f5;font-size:15.5px;margin-bottom:16px}
.post-main img.body-img{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:12px;margin:22px 0}
.post-main .quote{border-left:3px solid var(--acc);background:rgba(34,211,238,.06);padding:14px 20px;border-radius:0 12px 12px 0;color:var(--txt);font-size:15px;margin:18px 0}
.sidebar{position:sticky;top:92px;display:grid;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.side-card h3{font-size:16px;font-weight:800;padding-left:12px;border-left:4px solid var(--acc);margin-bottom:16px}
.toc{position:relative}
.toc::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:rgba(255,255,255,.1)}
.toc li{position:relative;padding:7px 0 7px 24px}
.toc li::before{content:"";position:absolute;left:1px;top:13px;width:10px;height:10px;border-radius:50%;background:var(--card2);border:2px solid #55618c;transition:background .3s,border-color .3s}
.toc a{font-size:13.5px;color:var(--sub);transition:color .2s;display:block;line-height:1.5}
.toc li:hover a{color:var(--txt)}
.toc li.active::before{background:var(--acc);border-color:var(--acc)}
.toc li.active a{color:var(--acc);font-weight:700}
.rank li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.rank li:last-child{border-bottom:0}
.rank .no{flex-shrink:0;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;background:#55618c;transition:transform .25s}
.rank li:nth-child(1) .no{background:var(--grad)}
.rank li:nth-child(2) .no{background:linear-gradient(135deg,#f5a623,#ff8c42)}
.rank li:nth-child(3) .no{background:linear-gradient(135deg,#22d3ee,#2f6bff)}
.rank li:hover .no{transform:scale(1.18)}
.rank a{font-size:13.5px;color:var(--sub);line-height:1.5;transition:color .2s}
.rank li:hover a{color:var(--acc)}
.cats{display:flex;flex-wrap:wrap;gap:10px}
.cats a{font-size:12.5px;padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--sub);transition:color .2s,border-color .2s,background .2s}
.cats a:hover{color:var(--acc);border-color:var(--acc);background:rgba(34,211,238,.08)}
.post-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.post-nav a{font-size:14px;color:var(--sub)}
.post-nav a:hover{color:var(--acc)}
.post-nav .center{background:rgba(255,255,255,.05);border:1px solid var(--line);padding:8px 18px;border-radius:99px;font-size:13px}
.comments{margin-top:40px;padding-top:30px;border-top:1px solid var(--line)}
.comments h3{font-size:18px;font-weight:800;margin-bottom:20px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.comment .ava{width:40px;height:40px;border-radius:50%;background:var(--grad2);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;flex-shrink:0}
.comment .c-body b{font-size:14px;margin-right:10px}
.comment .c-body time{font-size:12px;color:var(--sub)}
.comment .c-body p{font-size:14px;color:#c9d4f5;margin-top:4px}
.related{margin-top:40px}
.related h3{font-size:18px;font-weight:800;margin-bottom:18px}
.news-list-grid{display:grid;gap:26px}
.news-item{display:grid;grid-template-columns:300px 1fr;gap:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .3s,border-color .3s}
.news-item:hover{transform:translateY(-5px);border-color:rgba(47,107,255,.5)}
.news-item img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover}
.news-item .ni-body{padding:22px 26px 22px 0;display:flex;flex-direction:column}
.news-item .nc-meta{font-size:12px;color:var(--sub);display:flex;gap:14px;margin-bottom:8px}
.news-item .nc-meta b{color:var(--acc);font-weight:600}
.news-item h3{font-size:19px;line-height:1.5;margin-bottom:8px}
.news-item p{color:var(--sub);font-size:14px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.sitemap-page .sm-col{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sm-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.sm-card h3{font-size:17px;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--acc)}
.sm-card li{margin-bottom:9px}
.sm-card a{color:var(--sub);font-size:14px;transition:color .2s}
.sm-card a:hover{color:var(--acc)}
.err-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px}
.err-page h1{font-size:110px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.err-page p{color:var(--sub);margin:18px 0 28px;font-size:16px}
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
::selection{background:rgba(47,107,255,.4)}
@media (max-width:992px){.nav-inner{height:62px}.nav-toggle{display:block}.nav-cta{display:none}.nav-menu{position:fixed;top:62px;left:0;right:0;background:#0b1226;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:4px;padding:16px 20px 22px;max-height:calc(100vh - 62px);overflow-y:auto;display:none;box-shadow:0 30px 60px rgba(3,8,24,.7)}#nav-toggle:checked~.nav-menu{display:flex}#nav-toggle:checked~.nav-toggle span{background:transparent}#nav-toggle:checked~.nav-toggle span::before{top:0;transform:rotate(45deg)}#nav-toggle:checked~.nav-toggle span::after{top:0;transform:rotate(-45deg)}.nav-menu>li>a,.nav-menu>li>.nav-label{font-size:16px;padding:13px 10px;justify-content:space-between}.dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.04);border:0;box-shadow:none;display:none;margin:0;min-width:0}.nav-menu>li:hover .dropdown{display:none}.drop-toggle:checked~.dropdown{display:block}.dropdown a{color:#c9d4f5;padding:11px 20px}.dropdown a:hover{background:rgba(255,255,255,.06);color:var(--acc)}.hero{padding:120px 0 70px}.hero-inner,.dl-layout{grid-template-columns:1fr;gap:44px}.hero h1{font-size:38px}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.nodes-grid{grid-template-columns:repeat(3,1fr)}.speed-bar-item{grid-template-columns:110px 1fr 90px}.steps,.install-steps{grid-template-columns:repeat(2,1fr)}.proto-list{grid-template-columns:1fr}.pricing{grid-template-columns:1fr;max-width:460px;margin:0 auto}.price.hot{transform:none}.post{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:repeat(2,1fr)}.testi-grid{grid-template-columns:1fr}.sitemap-page .sm-col{grid-template-columns:1fr}}
@media (max-width:768px){.sec{padding:60px 0}.sec-title{font-size:28px}.hero h1{font-size:32px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.nodes-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:1fr}.news-item{grid-template-columns:1fr}.news-item .ni-body{padding:18px 20px 22px}.news-item img{aspect-ratio:16/9;height:auto}.hero-stats{gap:22px}.stat b{font-size:28px}.gauge-wrap{flex-direction:column}.demo-metrics{width:100%}.speed-bar-item{grid-template-columns:1fr;gap:6px}.speed-bar-item .val{text-align:left}.req-grid{grid-template-columns:1fr 1fr}.ver{grid-template-columns:1fr;gap:12px}.steps,.install-steps{grid-template-columns:1fr}.post-main{padding:24px 18px}.post-main h1{font-size:24px}.post-nav{grid-template-columns:1fr;text-align:center}.footer-grid{grid-template-columns:1fr;gap:30px}.cta{padding:44px 24px}.cta h2{font-size:26px}.page-hero h1{font-size:30px}.err-page h1{font-size:72px}.crumb{padding-top:96px}}
@media (max-width:480px){.container{padding:0 16px}.hero h1{font-size:27px}.hero-sub{font-size:15px}.btn{padding:13px 26px;font-size:15px}.hero-cta{gap:12px}.nodes-grid{grid-template-columns:repeat(2,1fr)}.req-grid{grid-template-columns:1fr}.sec-head{margin-bottom:36px}.pricing .price.hot{transform:none}.dl-meta{gap:20px}.dl-meta .m b{font-size:22px}.stat b{font-size:24px}}