*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#070b17;--bg2:#0b1325;--card:#101b32;--card2:#0d1729;--line:rgba(64,140,255,.22);--brand:#2e7bff;--cyan:#00d0ff;--grad:linear-gradient(135deg,#2e7bff 0%,#00d0ff 100%);--txt:#e8eefc;--sub:#8fa3c8;--ok:#35e6a8;--warn:#ffb454;--r:14px;--sh:0 14px 40px rgba(2,8,23,.55)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#7fe0ff}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-head .tag{display:inline-block;padding:5px 16px;border:1px solid var(--line);border-radius:999px;color:var(--cyan);font-size:13px;margin-bottom:16px;background:rgba(0,208,255,.06)}
.sec-head h2{font-size:36px;letter-spacing:.5px}
.sec-head p{color:var(--sub);margin-top:12px;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
.btn-solid{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(46,123,255,.4)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,208,255,.45);color:#fff}
.btn-ghost{border:1px solid rgba(0,208,255,.5);color:var(--cyan);background:transparent}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(0,208,255,.08);color:#7fe0ff}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 48px rgba(2,8,23,.7);border-color:rgba(0,208,255,.45)}
.nav{position:fixed;top:0;left:0;right:0;z-index:900;background:rgba(7,11,23,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(64,140,255,.14);transition:background .3s}
.nav.scrolled{background:rgba(5,8,18,.92)}
.nav-in{max-width:1200px;margin:0 auto;padding:0 24px;height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;letter-spacing:.5px}
.brand:hover{color:#fff}
.brand img{border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu>ul{display:flex;align-items:center;gap:2px}
.nav-menu a,.drop-label{display:block;color:var(--txt);padding:9px 14px;border-radius:8px;font-size:14.5px;cursor:pointer;transition:color .2s,background .2s}
.nav-menu>ul>li>a:hover,.drop-label:hover{color:#7fe0ff;background:rgba(0,208,255,.08)}
.has-drop{position:relative}
.caret{display:inline-block;margin-left:4px;transition:transform .3s;font-size:11px;color:var(--cyan)}
.has-drop:hover .caret,.has-drop>input:checked~.drop-label .caret{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:0;min-width:190px;background:#0e1930;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh);padding:8px;display:none;z-index:920}
.has-drop:hover .drop{display:block}
.has-drop>input:checked~.drop{display:block}
.drop a{padding:9px 14px;font-size:14px;border-radius:8px}
.drop a:hover{background:rgba(0,208,255,.1)}
.nav-cta{margin-left:10px}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);cursor:pointer;position:relative}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:#cfe2ff;border-radius:2px;transition:transform .3s,opacity .3s,top .3s}
.burger span:nth-child(1){top:13px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:27px}
#nav-toggle:checked~.burger span:nth-child(1){top:20px;transform:rotate(45deg)}
#nav-toggle:checked~.burger span:nth-child(2){opacity:0}
#nav-toggle:checked~.burger span:nth-child(3){top:20px;transform:rotate(-45deg)}
.hero{position:relative;padding:150px 0 90px;overflow:hidden;background:radial-gradient(1000px 520px at 78% -10%,rgba(46,123,255,.28),transparent 60%),radial-gradient(800px 420px at 8% 8%,rgba(0,208,255,.14),transparent 55%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:52px;font-weight:800;letter-spacing:1px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{margin:20px 0 8px;color:var(--sub);font-size:17px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin:28px 0 8px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:34px;flex-wrap:wrap}
.hs b{display:block;font-size:28px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hs span{color:var(--sub);font-size:13px}
.demo{position:relative}
.demo-win{background:linear-gradient(180deg,#0d1830,#0a1224);border:1px solid rgba(0,208,255,.3);border-radius:20px;box-shadow:0 0 0 1px rgba(0,208,255,.08),0 24px 70px rgba(0,80,200,.35);padding:22px;position:relative;overflow:hidden}
.demo-win::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 220px at 50% 0%,rgba(0,208,255,.12),transparent 70%);pointer-events:none}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;position:relative}
.demo-top .dt-l{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--sub)}
.demo-top .dt-l img{width:22px;height:22px;border-radius:6px}
.st-pill{font-size:12px;padding:3px 12px;border-radius:999px;border:1px solid var(--line);color:var(--sub)}
.st-on{display:none}
.dcon:checked~.demo-win .st-off{display:none}
.dcon:checked~.demo-win .st-on{display:inline-block;color:var(--ok);border-color:rgba(53,230,168,.5);background:rgba(53,230,168,.08)}
.demo-body{display:flex;align-items:center;gap:22px;position:relative}
.gauge{width:196px;height:196px;border-radius:50%;background:conic-gradient(from 215deg,var(--grad) 0 74%,rgba(255,255,255,.07) 74% 100%);position:relative;flex-shrink:0}
.gauge::after{content:"";position:absolute;inset:16px;border-radius:50%;background:#0a1326}
.gauge-scale{position:absolute;inset:6px;border-radius:50%;background:repeating-conic-gradient(rgba(143,163,200,.28) 0 2deg,transparent 2deg 24deg);mask:radial-gradient(circle,transparent 60%,#000 61%,#000 68%,transparent 69%);-webkit-mask:radial-gradient(circle,transparent 60%,#000 61%,#000 68%,transparent 69%)}
.gauge-needle{position:absolute;left:50%;bottom:50%;width:4px;height:66px;background:linear-gradient(180deg,var(--cyan),transparent);transform-origin:50% 100%;transform:rotate(-58deg);border-radius:3px;transition:transform 1.1s ease}
.dcon:checked~.demo-win .gauge-needle{animation:needle 2.4s ease-in-out infinite}
@keyframes needle{0%{transform:rotate(-58deg)}50%{transform:rotate(58deg)}100%{transform:rotate(-58deg)}}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2}
.gauge-center .gv{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums}
.gauge-center .gu{font-size:13px;color:var(--sub)}
.gauge-center .gl{font-size:12px;color:var(--sub);margin-top:2px}
.lat-on{display:none}
.dcon:checked~.demo-win .lat-off{display:none}
.dcon:checked~.demo-win .lat-on{display:inline}
.demo-side{flex:1;min-width:0;position:relative}
.demo-speed{background:rgba(0,208,255,.07);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:12px}
.demo-speed .ds-t{font-size:12px;color:var(--sub)}
.demo-speed .ds-v{font-size:22px;font-weight:800;color:var(--cyan)}
.demo-speed .ds-v small{font-size:13px;color:var(--sub);font-weight:400}
.sp-on{display:none}
.dcon:checked~.demo-win .sp-off{display:none}
.dcon:checked~.demo-win .sp-on{display:inline}
.demo-node{font-size:13px;color:var(--sub);margin-bottom:12px}
.demo-node b{color:var(--txt)}
.node-n2,.node-n3{display:none}
#dn2:checked~.demo-win .node-n1,#dn3:checked~.demo-win .node-n1{display:none}
#dn2:checked~.demo-win .node-n2,#dn3:checked~.demo-win .node-n3{display:inline-block}
.demo-sw{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.sw{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--sub);cursor:pointer}
.sw input{display:none}
.sw-dot{width:38px;height:22px;border-radius:999px;background:rgba(143,163,200,.25);position:relative;transition:background .3s;flex-shrink:0}
.sw-dot::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#7c90b8;transition:transform .3s,background .3s}
.sw input:checked+.sw-dot{background:rgba(0,208,255,.4)}
.sw input:checked+.sw-dot::after{transform:translateX(16px);background:#fff}
.sw input:checked~.sw-tx{color:var(--txt)}
.demo-btn{display:block;text-align:center;background:var(--grad);color:#fff;padding:13px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;box-shadow:0 8px 22px rgba(46,123,255,.42);transition:transform .25s,box-shadow .25s;user-select:none}
.demo-btn:hover{transform:translateY(-2px)}
.btn-on{display:none}
.dcon:checked~.demo-win .btn-off{display:none}
.dcon:checked~.demo-win .btn-on{display:inline-block}
.dcon:checked~.demo-win .demo-btn{background:linear-gradient(135deg,#2b3a5c,#3a4a6e);box-shadow:none}
.demo-nodes{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.ntab{font-size:12.5px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);color:var(--sub);cursor:pointer;transition:all .25s;user-select:none}
#dn1:checked~.demo-win .ntab[for=dn1],#dn2:checked~.demo-win .ntab[for=dn2],#dn3:checked~.demo-win .ntab[for=dn3]{border-color:var(--cyan);color:var(--cyan);background:rgba(0,208,255,.1)}
.statband{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-2px}
.sb{text-align:center;padding:30px 16px;border-radius:var(--r);background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line)}
.sb .sb-ico{font-size:30px;margin-bottom:8px}
.sb b{font-size:32px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.sb span{color:var(--sub);font-size:13.5px}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feat{padding:26px 22px}
.feat .fi{width:52px;height:52px;border-radius:14px;background:rgba(0,208,255,.1);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.feat h3{font-size:17px;margin-bottom:8px}
.feat p{color:var(--sub);font-size:13.5px}
.node-sec{background:linear-gradient(180deg,transparent,rgba(10,20,40,.6),transparent)}
.node-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px}
.node-card{padding:24px}
.node-card .nc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.node-card .nc-top b{font-size:16px}
.node-card .lat{font-size:13px;color:var(--ok);background:rgba(53,230,168,.08);border:1px solid rgba(53,230,168,.35);padding:3px 12px;border-radius:999px}
.bar{height:8px;border-radius:999px;background:rgba(143,163,200,.15);overflow:hidden;margin-bottom:8px}
.bar i{display:block;height:100%;border-radius:999px;background:var(--grad)}
.bar-txt{display:flex;justify-content:space-between;font-size:12.5px;color:var(--sub)}
.speed-cmp{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px}
.sc-l h3{font-size:24px;margin-bottom:10px}
.sc-l p{color:var(--sub);font-size:14.5px}
.sc-r .scrow{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px dashed rgba(143,163,200,.2);font-size:14.5px}
.sc-r .scrow:last-child{border-bottom:0}
.sc-r b{font-variant-numeric:tabular-nums}
.sc-r .up{color:var(--ok)}
.sc-r .down{color:var(--warn)}
.scen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scen{padding:26px 24px}
.scen .si{font-size:32px;margin-bottom:14px;display:block}
.scen h3{font-size:17px;margin-bottom:8px}
.scen p{color:var(--sub);font-size:13.5px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:34px 26px 28px}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:20px;right:22px;font-size:44px;font-weight:800;color:rgba(0,208,255,.14);line-height:1}
.step .st-ico{font-size:30px;margin-bottom:12px;display:block}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--sub);font-size:13.5px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price{position:relative;padding:34px 28px;display:flex;flex-direction:column}
.price.hot{border-color:rgba(0,208,255,.55);background:linear-gradient(180deg,rgba(0,208,255,.1),var(--card));transform:translateY(-10px)}
.price.hot:hover{transform:translateY(-16px)}
.hot-flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12.5px;padding:4px 18px;border-radius:999px;font-weight:600;box-shadow:0 6px 16px rgba(46,123,255,.4)}
.price h3{font-size:17px;color:var(--sub);margin-bottom:10px}
.price .amt{font-size:40px;font-weight:800}
.price .amt small{font-size:14px;color:var(--sub);font-weight:400}
.price ul{margin:22px 0;flex:1}
.price ul li{padding:7px 0 7px 26px;font-size:14px;color:#c7d6f2;position:relative}
.price ul li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:700}
.price .btn{width:100%}
.faq-list{max-width:820px;margin:0 auto}
.faq{border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin-bottom:14px;overflow:hidden;transition:border-color .3s}
.faq[open]{border-color:rgba(0,208,255,.5)}
.faq summary{list-style:none;cursor:pointer;padding:19px 56px 19px 22px;font-size:16px;font-weight:600;position:relative;user-select:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--cyan);font-weight:400;transition:transform .3s}
.faq[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .faq-a{padding:0 22px 20px;color:var(--sub);font-size:14.5px}
.faq .faq-a ol{padding-left:22px;list-style:decimal}
.faq .faq-a ol li{margin:6px 0}
.testi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.testi{padding:26px}
.testi .t-stars{color:#ffce54;letter-spacing:3px;margin-bottom:12px;font-size:14px}
.testi p{color:#c7d6f2;font-size:14.5px}
.testi .t-who{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.testi .t-who b{display:block;font-size:14.5px}
.testi .t-who span{font-size:12.5px;color:var(--sub)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{overflow:hidden;display:flex;flex-direction:column}
.news-card .nc-img{overflow:hidden;position:relative}
.news-card .nc-img img{width:100%;height:180px;object-fit:cover;transition:transform .5s}
.news-card:hover .nc-img img{transform:scale(1.07)}
.news-card .nc-body{padding:20px;flex:1;display:flex;flex-direction:column}
.news-card .nc-date{font-size:12.5px;color:var(--sub)}
.news-card h3{font-size:16.5px;margin:8px 0 10px}
.news-card h3 a{color:var(--txt)}
.news-card h3 a:hover{color:var(--cyan)}
.news-card p{color:var(--sub);font-size:13.5px;flex:1}
.news-card .nc-more{margin-top:14px;font-size:13.5px;color:var(--cyan)}
.cta{position:relative;overflow:hidden;background:radial-gradient(700px 340px at 50% 0%,rgba(46,123,255,.35),transparent 65%);border:1px solid var(--line);border-radius:22px;padding:64px 32px;text-align:center}
.cta h2{font-size:34px}
.cta p{color:var(--sub);margin:14px auto 28px;max-width:560px}
footer{background:#05080f;border-top:1px solid rgba(64,140,255,.15);padding:56px 0 26px;margin-top:60px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.foot-brand p{color:var(--sub);font-size:13.5px;margin-top:12px;max-width:280px}
.foot-col h4{font-size:15px;margin-bottom:16px;color:#fff}
.foot-col a{display:block;color:var(--sub);font-size:13.5px;padding:5px 0}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid rgba(143,163,200,.14);padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--sub)}
.foot-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a{color:var(--sub)}
.foot-bottom a:hover{color:var(--cyan)}
.totop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 10px 26px rgba(46,123,255,.45);z-index:800;opacity:.85;transition:opacity .3s,transform .3s}
.totop:hover{opacity:1;transform:translateY(-3px);color:#fff}
.crumb{max-width:1200px;margin:0 auto;padding:96px 24px 0;font-size:13px;color:var(--sub)}
.crumb a{color:var(--sub)}
.crumb a:hover{color:var(--cyan)}
.crumb span{margin:0 8px;color:rgba(143,163,200,.5)}
.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}
.news-hero{position:relative;padding:130px 0 60px;background:radial-gradient(900px 420px at 70% -10%,rgba(46,123,255,.3),transparent 60%)}
.news-hero h1{font-size:44px;text-align:center}
.news-hero .sub{text-align:center;color:var(--sub);margin-top:14px}
.cat-tags{display:flex;gap:10px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.cat-tags a{padding:7px 18px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;color:var(--sub);transition:all .25s}
.cat-tags a:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,208,255,.08)}
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.dl-card{padding:30px 26px;display:flex;flex-direction:column}
.dl-card .dc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.dl-card .dc-top h3{font-size:18px}
.dl-card .ver{font-size:12.5px;color:var(--cyan);border:1px solid rgba(0,208,255,.4);padding:3px 12px;border-radius:999px;background:rgba(0,208,255,.07)}
.dl-card .size{font-size:13px;color:var(--sub);margin-bottom:16px}
.dl-card ul{margin-bottom:22px;flex:1}
.dl-card ul li{padding:6px 0 6px 24px;position:relative;font-size:14px;color:#c7d6f2}
.dl-card ul li::before{content:"✓";position:absolute;left:0;color:var(--cyan)}
.req-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.req{padding:20px;display:flex;gap:14px;align-items:flex-start}
.req .ri{font-size:24px}
.req b{display:block;font-size:14.5px;margin-bottom:4px}
.req span{font-size:13px;color:var(--sub)}
.step2{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s2}
.step2 .s2-num{counter-increment:s2;content:""}
.step2 .s2-num::before{content:"0" counter(s2);font-size:38px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step2-item{display:block;padding:26px}
.step2-item b{display:block;font-size:16px;margin:10px 0 6px}
.step2-item span{display:block;font-size:13.5px;color:var(--sub)}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:40px;overflow:hidden}
.article .a-cover{border-radius:12px;overflow:hidden;margin:0 0 26px}
.article .a-cover img{width:100%;object-fit:cover}
.article h1{font-size:30px;margin-bottom:14px}
.a-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--sub);font-size:13px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px dashed rgba(143,163,200,.25)}
.a-meta .a-tags{display:flex;gap:8px;flex-wrap:wrap}
.a-meta .a-tags span{padding:3px 12px;border-radius:999px;border:1px solid var(--line);color:var(--cyan);font-size:12px}
.article .a-lead{font-size:16.5px;color:#c7d6f2;background:rgba(0,208,255,.06);border-left:3px solid var(--cyan);padding:16px 20px;border-radius:0 12px 12px 0;margin-bottom:26px}
.article p{color:#c7d6f2;font-size:15.5px;margin-bottom:18px}
.article h2{font-size:23px;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--cyan);scroll-margin-top:90px}
.article .a-img{border-radius:12px;overflow:hidden;margin:24px 0}
.article .a-img img{width:100%;object-fit:cover}
.article .a-img figcaption{font-size:12.5px;color:var(--sub);padding:8px 4px 0}
.article blockquote{background:rgba(46,123,255,.08);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:22px 0;font-size:15px;color:#cfe0ff}
.article blockquote b{color:var(--cyan)}
.a-end{background:rgba(53,230,168,.07);border:1px solid rgba(53,230,168,.3);border-radius:12px;padding:20px 24px;margin-top:30px}
.a-end p{color:#c7d6f2;font-size:14.5px;margin:0}
.a-pager{display:flex;justify-content:space-between;gap:12px;margin-top:28px;flex-wrap:wrap}
.a-pager a,.a-pager span{flex:1;min-width:150px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:13.5px;color:var(--sub);transition:border-color .25s}
.a-pager a:hover{border-color:var(--cyan);color:var(--cyan)}
.a-pager .next{text-align:right}
.a-rel{margin-top:46px}
.a-rel h3{font-size:19px;margin-bottom:18px}
.a-rel .rel-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.a-rel .rel-item{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px;transition:border-color .25s,transform .25s}
.a-rel .rel-item:hover{border-color:var(--cyan);transform:translateY(-3px)}
.a-rel .rel-item a{color:var(--txt)}
.a-rel .rel-item a:hover{color:var(--cyan)}
.comments{margin-top:46px}
.comments h3{font-size:19px;margin-bottom:18px}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed rgba(143,163,200,.22)}
.cmt:last-child{border-bottom:0}
.cmt .c-body{flex:1}
.cmt .c-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.cmt .c-head b{font-size:14px}
.cmt .c-head span{font-size:12px;color:var(--sub)}
.cmt p{font-size:14px;color:#c7d6f2;margin:0}
.sidebar{position:sticky;top:90px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border-radius:14px;box-shadow:0 10px 30px rgba(2,8,23,.4);padding:20px;border:1px solid var(--line)}
.side-card h4{font-size:15px;color:#0d1c38;padding-left:12px;border-left:4px solid var(--brand);margin-bottom:14px}
.toc{position:relative}
.toc ul{padding-left:18px;border-left:2px solid rgba(46,123,255,.25)}
.toc li{position:relative;padding:7px 0}
.toc li::before{content:"";position:absolute;left:-23px;top:15px;width:8px;height:8px;border-radius:50%;background:#c3d4f0;border:2px solid #fff}
.toc li.active::before{background:var(--brand)}
.toc a{color:#4a5d85;font-size:13.5px}
.toc a:hover{color:var(--brand)}
.toc li.active a{color:var(--brand);font-weight:700}
.hot-list li{display:flex;align-items:center;gap:10px;padding:8px 0}
.hot-badge{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0;background:#aab6cc;transition:transform .2s}
.hot-list li:nth-child(1) .hot-badge{background:var(--brand)}
.hot-list li:nth-child(2) .hot-badge{background:linear-gradient(135deg,#ff8a3d,#ffb454)}
.hot-list li:nth-child(3) .hot-badge{background:linear-gradient(135deg,#ffd24d,#e8a23a)}
.hot-list li:hover .hot-badge{transform:scale(1.15)}
.hot-list a{color:#4a5d85;font-size:13.5px;line-height:1.45}
.hot-list a:hover{color:var(--brand)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:12.5px;padding:5px 13px;border-radius:999px;border:1px solid #dfe7f5;color:#5a6d94;transition:all .25s}
.tag-cloud a:hover{border-color:var(--brand);color:var(--brand)}
.dl-hero{position:relative;padding:140px 0 70px;background:radial-gradient(1000px 520px at 80% -10%,rgba(46,123,255,.3),transparent 60%)}
.dl-hero .dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.dl-hero h1{font-size:44px}
.dl-hero .sub{color:var(--sub);margin:16px 0 26px;font-size:16px}
.dl-meta{display:flex;gap:30px;margin-top:26px;flex-wrap:wrap}
.dl-meta b{display:block;font-size:22px}
.dl-meta span{font-size:13px;color:var(--sub)}
.map-404{position:relative;padding:160px 0 90px;text-align:center}
.map-404 .e404{font-size:120px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.map-404 h1{font-size:28px;margin:10px 0 14px}
.map-404 p{color:var(--sub);margin-bottom:30px}
.map-404 .cd{color:var(--cyan);font-size:15px}
.sitemap-list{max-width:860px;margin:0 auto}
.sitemap-list .sm-sec{margin-bottom:34px}
.sitemap-list .sm-sec h2{font-size:20px;margin-bottom:14px;padding-left:14px;border-left:4px solid var(--cyan)}
.sitemap-list ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.sitemap-list li a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:13px 18px;color:#c7d6f2;font-size:14.5px;transition:border-color .25s,transform .25s}
.sitemap-list li a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateX(4px)}
.legal{max-width:820px;margin:0 auto;padding:40px 0 80px}
.legal h1{font-size:30px;margin-bottom:20px}
.legal h2{font-size:20px;margin:28px 0 12px}
.legal p,.legal li{color:#c7d6f2;font-size:15px;margin-bottom:12px}
.legal ul{padding-left:22px;list-style:disc}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
@media(max-width:992px){
.hero{padding:130px 0 70px}
.hero-grid,.dl-hero .dl-grid{grid-template-columns:1fr;gap:44px}
.hero h1{font-size:40px}
.feat-grid{grid-template-columns:repeat(2,1fr)}
.node-grid{grid-template-columns:repeat(2,1fr)}
.scen-grid{grid-template-columns:repeat(2,1fr)}
.statband{grid-template-columns:repeat(2,1fr)}
.price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.price.hot{transform:none}
.price.hot:hover{transform:translateY(-6px)}
.news-grid{grid-template-columns:repeat(2,1fr)}
.dl-grid{grid-template-columns:1fr}
.req-list{grid-template-columns:repeat(2,1fr)}
.step2{grid-template-columns:repeat(2,1fr)}
.article-layout{grid-template-columns:1fr}
.sidebar{position:static}
.burger{display:block}
.nav-menu{position:fixed;top:66px;right:0;bottom:0;width:min(320px,84vw);background:#0a1224;border-left:1px solid var(--line);flex-direction:column;align-items:stretch;padding:18px;gap:8px;transform:translateX(100%);transition:transform .32s ease;box-shadow:-20px 0 60px rgba(2,8,23,.6);overflow-y:auto}
#nav-toggle:checked~.nav-menu{transform:translateX(0)}
.nav-menu>ul{flex-direction:column;align-items:stretch}
.nav-menu a,.drop-label{padding:13px 16px;font-size:15.5px}
.has-drop{position:static}
.drop{position:static;min-width:0;display:none;background:rgba(0,208,255,.05);box-shadow:none;border:0;padding:0 0 6px 14px}
.has-drop:hover .drop{display:none}
.has-drop>input:checked~.drop{display:block}
.nav-cta{margin:10px 0 0}
.foot-grid{grid-template-columns:1fr 1fr}
.speed-cmp{grid-template-columns:1fr}
.a-rel .rel-list{grid-template-columns:1fr}
}
@media(max-width:768px){
.sec{padding:64px 0}
.sec-head h2{font-size:28px}
.hero h1{font-size:33px}
.hero .sub{font-size:15.5px}
.demo-body{flex-direction:column}
.gauge{width:170px;height:170px}
.feat-grid,.node-grid,.scen-grid,.news-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.req-list{grid-template-columns:1fr}
.step2{grid-template-columns:1fr}
.article{padding:24px 18px}
.article h1{font-size:24px}
.article h2{font-size:20px}
.cta h2{font-size:26px}
.news-hero h1{font-size:32px}
.dl-hero h1{font-size:33px}
.sitemap-list ul{grid-template-columns:1fr}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.nav-in{padding:0 16px}
.hero{padding:118px 0 56px}
.hero h1{font-size:28px}
.hero-cta{flex-direction:column}
.hero-cta .btn{width:100%}
.statband{grid-template-columns:1fr 1fr;gap:12px}
.sb b{font-size:26px}
.sec-head h2{font-size:25px}
.gauge{width:150px;height:150px}
.gauge-center .gv{font-size:28px}
.foot-grid{grid-template-columns:1fr}
.foot-bottom{flex-direction:column;text-align:center}
.demo-win{padding:16px}
}