*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#101828;background:#fff;line-height:1.7;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button,input{font-family:inherit}
:root{--p:#1f7bff;--p2:#00e5a0;--dk:#0a1428;--dk2:#101e3a;--tx:#101828;--mu:#5b6b83;--bg:#fff;--soft:#f4f7fb;--line:#e4eaf2;--r:18px;--sh:0 24px 60px -24px rgba(10,20,40,.22);--gr:linear-gradient(135deg,#1f7bff,#00e5a0)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--p);color:#fff;padding:8px 16px;z-index:999}
.skip:focus{left:0}
.nav{position:fixed;top:0;left:0;right:0;z-index:900;background:rgba(10,20,40,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:background .3s,box-shadow .3s;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav.scrolled{background:rgba(7,13,28,.96);box-shadow:0 10px 34px -14px rgba(0,0,0,.55)}
.nav-in{display:flex;align-items:center;height:72px;gap:8px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:#fff;flex-shrink:0}
.brand img{width:36px;height:36px;border-radius:9px}
.brand span{background:linear-gradient(90deg,#5aa7ff,#00e5a0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:28px}
.nav-menu>li{position:relative}
.nav-menu>li>a,.nav-menu>li>label{display:flex;align-items:center;gap:6px;padding:10px 16px;color:rgba(255,255,255,.82);font-size:15px;border-radius:10px;cursor:pointer;transition:color .2s,background .2s}
.nav-menu>li>a:hover,.nav-menu>li>label:hover{color:#fff;background:rgba(255,255,255,.08)}
.arrow{display:inline-block;font-size:10px;transition:transform .3s}
.nav-menu>li:hover .arrow{transform:rotate(180deg)}
.nav-menu .sub-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-menu .sub-toggle+label{cursor:pointer}
.submenu{position:absolute;top:calc(100% + 10px);left:0;min-width:220px;background:#fff;border-radius:14px;box-shadow:0 24px 60px -18px rgba(10,20,40,.35);padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s}
.nav-menu>li:hover>.submenu,.nav-menu .sub-toggle:checked~.submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:10px 14px;border-radius:9px;color:#33405a;font-size:14px;transition:background .2s,color .2s}
.submenu a:hover{background:var(--soft);color:var(--p)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,filter .2s}
.btn:active{transform:scale(.97)}
.btn-grad{background:var(--gr);color:#fff;box-shadow:0 10px 28px -10px rgba(31,123,255,.65)}
.btn-grad:hover{filter:brightness(1.08);box-shadow:0 14px 34px -10px rgba(0,229,160,.6)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:#00e5a0;color:#00e5a0}
.btn-outline{background:#fff;color:var(--p);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--p)}
.btn-dark{background:var(--dk);color:#fff}
.btn-dark:hover{background:#1b2c4e}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.burger{display:none;margin-left:auto}
.burger-box{width:44px;height:44px;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;border:1px solid rgba(255,255,255,.25)}
.burger-box span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.mnav-toggle{position:absolute;opacity:0;pointer-events:none}
.mnav{display:none}
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,rgba(0,229,160,.16),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(31,123,255,.2),transparent 55%),linear-gradient(160deg,#0a1428 0%,#101e3a 60%,#0a1428 100%);color:#fff;padding:150px 0 90px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.hero-in{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(0,229,160,.12);border:1px solid rgba(0,229,160,.35);color:#6ef7c8;padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:600;letter-spacing:.5px}
.hero h1{font-size:52px;line-height:1.18;margin:22px 0 18px;font-weight:800;letter-spacing:.5px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#5aa7ff,#00e5a0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.sub{font-size:18px;color:rgba(255,255,255,.72);max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:18px 20px;transition:transform .25s,border-color .25s}
.stat:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.5)}
.stat b{display:block;font-size:28px;font-weight:800;background:linear-gradient(90deg,#5aa7ff,#00e5a0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:13px;color:rgba(255,255,255,.62)}
.gauge-wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:22px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:34px 30px;box-shadow:0 40px 90px -30px rgba(0,0,0,.6)}
.gauge-head{display:flex;align-items:center;justify-content:space-between;width:100%}
.gauge-node{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.8)}
.dot{width:9px;height:9px;border-radius:50%;background:#00e5a0;box-shadow:0 0 0 4px rgba(0,229,160,.18)}
.gauge{position:relative;width:220px;height:220px;border-radius:50%;background:conic-gradient(from -90deg,#00e5a0 0deg,#1f7bff 200deg,rgba(255,255,255,.09) 200deg 360deg);display:flex;align-items:center;justify-content:center}
.gauge::before{content:"";position:absolute;inset:16px;background:#0e1c38;border-radius:50%}
.gauge-core{position:relative;text-align:center;z-index:2}
.gauge-core b{font-size:44px;font-weight:800;line-height:1}
.gauge-core span{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:6px;letter-spacing:1px}
.gauge-tick{position:absolute;left:50%;top:50%;width:2px;height:6px;background:rgba(255,255,255,.25);transform-origin:center;border-radius:1px}
.gauge-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}
.gm{background:rgba(255,255,255,.06);border-radius:12px;padding:12px 14px;text-align:center}
.gm b{font-size:18px;color:#6ef7c8}
.gm span{display:block;font-size:12px;color:rgba(255,255,255,.55)}
.gauge-btn{width:100%;padding:14px;border:none;border-radius:14px;background:var(--gr);color:#fff;font-size:16px;font-weight:700;cursor:pointer;letter-spacing:2px;transition:filter .2s,transform .2s}
.gauge-btn:active{transform:scale(.97)}
.gauge-btn.connected{background:#e5484d;box-shadow:0 12px 30px -10px rgba(229,72,77,.6)}
.speed-tape{display:flex;gap:18px;flex-wrap:wrap}
.node-chips{display:flex;gap:8px;flex-wrap:wrap}
.node-chip{position:relative}
.node-chip input{position:absolute;opacity:0}
.node-chip span{display:inline-block;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.75);font-size:13px;cursor:pointer;transition:all .2s}
.node-chip input:checked+span{background:rgba(0,229,160,.16);border-color:#00e5a0;color:#6ef7c8}
.tgl{position:relative;display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:rgba(255,255,255,.7)}
.tgl input{position:absolute;opacity:0}
.tgl i{width:38px;height:22px;border-radius:999px;background:rgba(255,255,255,.15);position:relative;transition:background .25s}
.tgl i::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .25s}
.tgl input:checked+i{background:#00e5a0}
.tgl input:checked+i::after{left:19px}
.sec{padding:96px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}
.sec-head .kicker2{display:inline-block;color:var(--p);font-weight:700;font-size:14px;letter-spacing:2px;text-transform:uppercase}
.sec-head h2{font-size:38px;font-weight:800;margin:14px 0 16px;line-height:1.25}
.sec-head p{color:var(--mu);font-size:16.5px}
.grid-feat{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:transform .25s,box-shadow .25s,border-color .25s}
.feat:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:transparent}
.feat .ic{width:52px;height:52px;border-radius:14px;background:var(--gr);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin-bottom:18px}
.feat h3{font-size:18px;margin-bottom:10px}
.feat p{font-size:14.5px;color:var(--mu)}
.speedbar{background:linear-gradient(120deg,#0a1428,#101e3a);color:#fff;padding:64px 0}
.speedbar-in{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.sb{text-align:center;padding:8px}
.sb b{font-size:44px;font-weight:800;background:linear-gradient(90deg,#5aa7ff,#00e5a0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sb span{display:block;font-size:14px;color:rgba(255,255,255,.6);margin-top:8px}
.sb small{display:block;font-size:12.5px;color:rgba(255,255,255,.42);margin-top:4px}
.nodes{background:var(--soft)}
.nodes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:40px}
.node-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:6px;transition:transform .25s,box-shadow .25s}
.node-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.node-card .nc-top{display:flex;justify-content:space-between;align-items:center}
.node-card .flag{font-size:24px}
.node-card b{font-size:16px}
.node-card .lat{color:#00b578;font-weight:700;font-size:14px}
.node-card .nc-bar{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.node-card .nc-fill{height:100%;border-radius:3px;background:var(--gr);width:88%}
.node-note{text-align:center;color:var(--mu);font-size:14.5px}
.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tech{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;align-items:flex-start}
.tech .ic{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:rgba(31,123,255,.1);color:var(--p);display:flex;align-items:center;justify-content:center;font-size:22px}
.tech h3{font-size:17.5px;margin-bottom:8px}
.tech p{font-size:14.5px;color:var(--mu)}
.tech b{color:#0a1428}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;text-align:center}
.step .num{width:52px;height:52px;margin:0 auto 18px;border-radius:50%;background:var(--gr);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px -8px rgba(31,123,255,.55)}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--mu)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:transform .25s,box-shadow .25s}
.scene:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.scene .ic{font-size:32px;margin-bottom:16px}
.scene h3{font-size:17.5px;margin-bottom:10px}
.scene p{font-size:14.5px;color:var(--mu)}
.pricing{background:var(--soft)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px 30px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.plan.hot{border:2px solid var(--p);box-shadow:0 30px 70px -30px rgba(31,123,255,.45);transform:scale(1.02)}
.plan .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gr);color:#fff;font-size:13px;font-weight:700;padding:6px 18px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:19px;margin-bottom:6px}
.plan .p-desc{font-size:14px;color:var(--mu);margin-bottom:22px}
.plan .price{font-size:44px;font-weight:800;line-height:1}
.plan .price small{font-size:15px;font-weight:400;color:var(--mu)}
.plan .per{font-size:13px;color:var(--mu);margin:6px 0 24px}
.plan ul{margin-bottom:28px;flex:1}
.plan li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;padding:8px 0;color:#33405a}
.plan li::before{content:"✓";color:#00b578;font-weight:800;flex-shrink:0}
.faq{max-width:860px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:box-shadow .25s}
.faq details[open]{box-shadow:var(--sh)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;cursor:pointer;font-size:16.5px;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex-shrink:0;width:28px;height:28px;border-radius:8px;background:var(--soft);color:var(--p);display:flex;align-items:center;justify-content:center;font-size:20px;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 26px 24px;color:var(--mu);font-size:15px}
.faq .faq-body ol{padding-left:20px;margin:10px 0}
.faq .faq-body ol li{list-style:decimal;padding:3px 0}
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.testi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.testi .stars{color:#ffb300;letter-spacing:3px;margin-bottom:12px}
.testi p{font-size:15px;color:#33405a;margin-bottom:18px}
.testi .who{display:flex;align-items:center;gap:12px}
.testi .avatar{width:42px;height:42px;border-radius:50%;background:var(--gr);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px}
.testi .who b{display:block;font-size:15px}
.testi .who span{font-size:13px;color:var(--mu)}
.news-sec{background:var(--soft)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card .nc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-card .tag{display:inline-block;align-self:flex-start;background:rgba(31,123,255,.1);color:var(--p);font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;flex:1}
.news-card h3 a:hover{color:var(--p)}
.news-card time{font-size:13px;color:var(--mu)}
.cta{position:relative;background:radial-gradient(900px 400px at 50% -20%,rgba(0,229,160,.18),transparent 60%),linear-gradient(135deg,#0a1428,#101e3a);color:#fff;text-align:center;padding:90px 0}
.cta h2{font-size:38px;font-weight:800;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.68);margin-bottom:34px;font-size:17px}
.footer{background:#070d1c;color:rgba(255,255,255,.62);padding:70px 0 30px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer .f-brand img{width:34px;height:34px;border-radius:8px}
.footer .f-brand b{color:#fff;font-size:17px}
.footer .f-about{color:rgba(255,255,255,.5);font-size:14px;line-height:1.8}
.footer h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.footer ul li{margin-bottom:11px}
.footer ul a:hover{color:#00e5a0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:26px;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
.crumb{background:var(--soft);border-bottom:1px solid var(--line);padding:16px 0;margin-top:72px;font-size:14px;color:var(--mu)}
.crumb ol{display:flex;flex-wrap:wrap;gap:6px}
.crumb a:hover{color:var(--p)}
.crumb li+li::before{content:"/";margin-right:6px;color:#b6c2d4}
.dl-hero{padding:40px 0 70px}
.dl-hero .hero-in{color:inherit;background:#fff;grid-template-columns:1fr .9fr}
.dl-hero h1{color:#0a1428;font-size:44px}
.dl-hero h1 em{-webkit-text-fill-color:initial;background:none;color:var(--p)}
.dl-hero .sub{color:var(--mu)}
.dl-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:520px;margin-bottom:34px}
.dl-meta .stat{background:var(--soft);border-color:var(--line)}
.dl-meta .stat b{font-size:22px;-webkit-text-fill-color:initial;background:none;color:#0a1428}
.dl-meta .stat span{color:var(--mu)}
.dl-hero .gauge-wrap{background:var(--soft);border-color:var(--line);box-shadow:var(--sh)}
.dl-hero .gauge::before{background:#fff}
.dl-hero .gauge-core span,.dl-hero .gauge-node,.dl-hero .gm span,.dl-hero .tgl{color:var(--mu)}
.dl-hero .gm b{color:var(--p)}
.dl-hero .gm{background:#fff}
.dl-hero .node-chip span{background:#fff;border-color:var(--line);color:#33405a}
.dl-hero .node-chip input:checked+span{background:rgba(31,123,255,.1);border-color:var(--p);color:var(--p)}
.dl-hero .tgl i{background:#dde5f0}
.dl-hero .tgl i::after{background:#fff}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.ver:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.ver .os{font-size:40px;margin-bottom:16px}
.ver h3{font-size:19px;margin-bottom:6px}
.ver .v{font-size:13.5px;color:var(--p);font-weight:600;margin-bottom:6px}
.ver .vsize{font-size:13px;color:var(--mu);margin-bottom:18px}
.ver ul{flex:1;margin-bottom:24px}
.ver li{display:flex;gap:10px;font-size:14px;padding:7px 0;color:#33405a}
.ver li::before{content:"✓";color:#00b578;font-weight:800}
.req{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.req-item{padding:26px 28px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.req-item:nth-child(3n){border-right:none}
.req-item .r-ic{font-size:24px;margin-bottom:10px}
.req-item b{display:block;font-size:15.5px;margin-bottom:4px}
.req-item span{font-size:14px;color:var(--mu)}
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:44px 48px}
.article h1{font-size:32px;line-height:1.4;margin:16px 0 18px;font-weight:800}
.article .art-meta{display:flex;align-items:center;gap:16px;color:var(--mu);font-size:14px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:10px}
.article .art-cover{margin:26px 0;border-radius:14px;width:100%}
.article .lead{font-size:17px;color:#33405a;background:var(--soft);border-left:4px solid var(--p);padding:18px 22px;border-radius:0 12px 12px 0;margin:26px 0}
.article p{font-size:16px;color:#33405a;margin-bottom:20px;line-height:1.9}
.article h2{font-size:24px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--p);scroll-margin-top:96px}
.article .art-img{margin:22px 0;border-radius:12px;width:100%}
.article .data-list{background:var(--soft);border-radius:14px;padding:24px 28px;margin:22px 0}
.article .data-list li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:15px}
.article .data-list li:last-child{border-bottom:none}
.article .data-list b{color:var(--p)}
.article blockquote{border-left:4px solid #00e5a0;background:rgba(0,229,160,.06);padding:18px 22px;border-radius:0 12px 12px 0;margin:22px 0;font-size:15.5px;color:#33405a}
.article blockquote b{color:#0a1428}
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.art-nav a{display:block;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px 20px;font-size:14.5px;transition:border-color .2s,transform .2s}
.art-nav a:hover{border-color:var(--p);transform:translateY(-2px)}
.art-nav .nav-label{display:block;font-size:12.5px;color:var(--mu);margin-bottom:6px}
.art-nav .next{text-align:right}
.back-list{display:inline-flex;align-items:center;gap:8px;margin-top:26px;color:var(--p);font-weight:600;font-size:15px}
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 14px 40px -20px rgba(10,20,40,.14)}
.side-card h3{font-size:16.5px;padding-left:12px;border-left:4px solid var(--p);margin-bottom:16px}
.toc-list{position:relative}
.toc-list::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc-list a{position:relative;display:block;padding:8px 0 8px 22px;font-size:14px;color:var(--mu);transition:color .2s}
.toc-list a::before{content:"";position:absolute;left:2px;top:14px;width:8px;height:8px;border-radius:50%;background:#fff;border:2px solid #b6c2d4;transition:all .2s}
.toc-list a.active{color:var(--p);font-weight:700}
.toc-list a.active::before{background:var(--p);border-color:var(--p);box-shadow:0 0 0 4px rgba(31,123,255,.15)}
.hot-list li{margin-bottom:8px}
.hot-list a{display:flex;align-items:center;gap:12px;padding:9px 10px;border-radius:10px;font-size:14px;color:#33405a;transition:background .2s,color .2s}
.hot-list a:hover{background:var(--soft);color:var(--p)}
.rank{flex-shrink:0;width:24px;height:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;background:#c3cddc;transition:transform .2s}
.hot-list a:hover .rank{transform:scale(1.15)}
.rank.r1{background:linear-gradient(135deg,#1f7bff,#5aa7ff)}
.rank.r2{background:linear-gradient(135deg,#ff8c1a,#ffb300)}
.rank.r3{background:linear-gradient(135deg,#ffd54d,#ffca28);color:#7a5a00}
.cat-tags{display:flex;flex-wrap:wrap;gap:10px}
.cat-tags a{font-size:13.5px;color:#33405a;background:var(--soft);border:1px solid var(--line);padding:6px 14px;border-radius:999px;transition:all .2s}
.cat-tags a:hover{color:var(--p);border-color:var(--p);background:#fff}
.comments{margin-top:40px}
.comments h3{font-size:19px;margin-bottom:20px;padding-left:12px;border-left:4px solid var(--p)}
.comment{display:flex;gap:14px;background:var(--soft);border-radius:14px;padding:18px;margin-bottom:14px}
.comment .c-avatar{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--gr);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.comment .c-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment .c-head b{font-size:14.5px}
.comment .c-head span{font-size:12.5px;color:var(--mu)}
.comment p{font-size:14px;margin-bottom:0}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.cat-filter a{padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#33405a;font-size:14.5px;transition:all .2s}
.cat-filter a:hover,.cat-filter a.on{background:var(--gr);color:#fff;border-color:transparent}
.err-box{min-height:calc(100vh - 300px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 24px}
.err-box .code{font-size:120px;font-weight:800;line-height:1;background:linear-gradient(135deg,#1f7bff,#00e5a0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.err-box h1{font-size:26px;margin:16px 0 12px}
.err-box p{color:var(--mu);margin-bottom:30px}
.sitemap-sec{max-width:900px;margin:0 auto}
.sitemap-sec .sm-group{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 34px;margin-bottom:22px}
.sitemap-sec h2{font-size:19px;margin-bottom:18px;padding-left:12px;border-left:4px solid var(--p)}
.sitemap-sec ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.sitemap-sec a{display:flex;align-items:center;gap:8px;color:#33405a;padding:8px 12px;border-radius:9px;font-size:15px;transition:background .2s,color .2s}
.sitemap-sec a:hover{background:var(--soft);color:var(--p)}
.sitemap-sec a::before{content:"›";color:var(--p);font-weight:800}
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
html.js .reveal.in{opacity:1;transform:translateY(0)}
html:not(.js) .reveal{opacity:1;transform:none}
@keyframes spin{to{transform:rotate(360deg)}}
.gauge.online{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(0,229,160,.35)}50%{box-shadow:0 0 0 18px rgba(0,229,160,0)}}
.needle{position:absolute;inset:0;z-index:1;pointer-events:none}
.needle::after{content:"";position:absolute;left:50%;top:50%;width:4px;height:70px;margin:-70px 0 0 -2px;background:linear-gradient(#6ef7c8,transparent);border-radius:2px;transform-origin:bottom center}
html.js .needle::after{animation:spin 2.4s linear infinite}
.gauge.connected .needle::after{animation-duration:.9s}
html.js .needle.spin-fast::after{animation-duration:.6s}
@media(max-width:992px){
.nav-menu,.nav-cta .btn-grad{display:none}
.burger{display:block}
.mnav{display:block;position:fixed;top:72px;left:0;right:0;background:#0e1c38;max-height:0;overflow:hidden;transition:max-height .35s;z-index:890}
.mnav-toggle:checked~.mnav{max-height:80vh;overflow-y:auto;border-top:1px solid rgba(255,255,255,.08)}
.mnav ul{padding:14px 24px 26px}
.mnav li>a,.mnav li>label{display:flex;justify-content:space-between;align-items:center;padding:14px 6px;color:rgba(255,255,255,.85);font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);cursor:pointer}
.mnav .msub{max-height:0;overflow:hidden;transition:max-height .3s;background:rgba(255,255,255,.04);border-radius:12px}
.mnav .msub-toggle:checked~.msub{max-height:400px}
.mnav .msub a{display:block;padding:11px 20px;font-size:14.5px;color:rgba(255,255,255,.7)}
.mnav .mcta{padding:14px 24px 24px}
.mnav .mcta .btn{width:100%}
.hero{padding:130px 0 70px}
.hero-in,.dl-hero .hero-in{grid-template-columns:1fr;gap:44px}
.hero h1{font-size:40px}
.dl-hero h1{font-size:36px}
.grid-feat,.scene-grid{grid-template-columns:repeat(2,1fr)}
.nodes-grid{grid-template-columns:repeat(2,1fr)}
.news-grid,.news-list-grid,.ver-grid,.pricing-grid{grid-template-columns:repeat(2,1fr)}
.plan.hot{transform:none}
.req-grid{grid-template-columns:repeat(2,1fr)}
.req-item:nth-child(3n){border-right:1px solid var(--line)}
.req-item:nth-child(2n){border-right:none}
.article-wrap{grid-template-columns:1fr}
.side{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.footer-grid{grid-template-columns:1fr 1fr}
.tech-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
.sec{padding:64px 0}
.sec-head h2{font-size:29px}
.hero h1{font-size:33px}
.hero-stats{grid-template-columns:1fr;max-width:none}
.stat{display:flex;align-items:center;justify-content:space-between;padding:14px 18px}
.speedbar-in{grid-template-columns:1fr;gap:22px}
.grid-feat,.nodes-grid,.news-grid,.news-list-grid,.ver-grid,.pricing-grid,.testi-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr;gap:18px}
.article{padding:30px 24px}
.article h1{font-size:25px}
.side{grid-template-columns:1fr}
.cta h2{font-size:29px}
.footer-grid{grid-template-columns:1fr;gap:28px}
.req-grid{grid-template-columns:1fr}
.req-item{border-right:none}
.dl-meta{grid-template-columns:1fr}
.gauge{width:180px;height:180px}
.gauge-core b{font-size:34px}
.sitemap-sec ul{grid-template-columns:1fr}
.art-nav{grid-template-columns:1fr}
}
@media(max-width:480px){
.container{padding:0 18px}
.hero h1{font-size:28px}
.hero p.sub{font-size:16px}
.hero-cta{flex-direction:column}
.hero-cta .btn{width:100%}
.sec-head h2{font-size:25px}
.scene-grid{grid-template-columns:1fr}
.plan{padding:30px 22px}
.faq summary{padding:18px 18px;font-size:15.5px}
.article{padding:24px 18px}
.article h2{font-size:20px}
.btn-lg{width:100%}
.err-box .code{font-size:84px}
}