*{margin:0;padding:0;box-sizing:border-box}
:root{--p:#7C4DFF;--p2:#22D3EE;--a:#FF6A3D;--dark:#14102E;--bg:#F7F8FF;--txt:#2A2650;--mut:#6E6A95;--line:#E9E7F6;--ok:#00C48C;--warn:#FFB020;--grad:linear-gradient(120deg,#7C4DFF,#22D3EE);--grad2:linear-gradient(120deg,#FF6A3D,#FFB020);--r:18px;--sh:0 12px 40px rgba(44,35,120,.10)}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--txt);background:var(--bg);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 30px;border-radius:999px;font-weight:600;font-size:16px;transition:.3s;white-space:nowrap}
.btn-g{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(124,77,255,.35)}
.btn-g:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(124,77,255,.45)}
.btn-o{background:var(--grad2);color:#fff;box-shadow:0 8px 24px rgba(255,106,61,.35)}
.btn-o:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,106,61,.45)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.sec-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;background:rgba(124,77,255,.1);color:var(--p);font-size:13px;font-weight:600;margin-bottom:14px}
.sec-title{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:10px}
.sec-sub{color:var(--mut);font-size:16px;max-width:640px;margin:0 auto 40px}
.center{text-align:center}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;transition:.35s;background:transparent;padding:14px 0}
.nav.scrolled{background:rgba(20,16,46,.92);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.25);padding:8px 0}
.nav-in{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#fff}
.brand img{width:38px;height:38px;border-radius:10px}
.brand span{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.menu{display:flex;align-items:center;gap:4px;flex:1}
.menu>li{position:relative}
.menu>li>a,.drop-btn{display:flex;align-items:center;gap:6px;padding:10px 16px;color:#fff;font-size:15px;font-weight:500;border-radius:10px;transition:.3s;opacity:.92}
.menu>li>a:hover,.drop-btn:hover,.menu>li>a.active{opacity:1;background:rgba(255,255,255,.12)}
.arr{font-size:11px;transition:transform .3s;display:inline-block}
.has:hover .arr,.has.open .arr{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 8px);left:0;min-width:190px;background:#fff;border-radius:14px;box-shadow:0 16px 48px rgba(20,16,46,.2);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.has:hover .drop,.has.open .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop li a{display:block;padding:10px 16px;border-radius:10px;color:var(--txt);font-size:14px;transition:.25s}
.drop li a:hover{background:rgba(124,77,255,.08);color:var(--p);padding-left:20px}
.nav-btn{margin-left:auto}
.nav .nav-btn{background:var(--grad2);color:#fff;padding:10px 22px;border-radius:999px;font-size:15px;font-weight:600;box-shadow:0 6px 18px rgba(255,106,61,.4);transition:.3s}
.nav .nav-btn:hover{transform:translateY(-2px)}
.burger{display:none;flex-direction:column;gap:5px;padding:10px;margin-left:auto}
.burger span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
.burger.on span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding:150px 0 90px;background:radial-gradient(1000px 500px at 80% -10%,rgba(34,211,238,.35),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(124,77,255,.45),transparent 60%),var(--dark);color:#fff;overflow:hidden}
.hero .blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.4;animation:float 9s ease-in-out infinite}
.hero .blob.b1{width:340px;height:340px;background:#7C4DFF;top:-80px;right:8%}
.hero .blob.b2{width:260px;height:260px;background:#22D3EE;bottom:-60px;left:4%;animation-delay:2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-30px)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:46px;font-weight:900;line-height:1.25;margin-bottom:18px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:17px;color:rgba(255,255,255,.8);margin-bottom:30px;max-width:520px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:38px}
.hero-data{display:flex;gap:0;flex-wrap:wrap}
.hero-data .d{flex:1;min-width:130px;padding:0 22px;border-left:1px solid rgba(255,255,255,.18)}
.hero-data .d:first-child{border-left:none;padding-left:0}
.hero-data b{display:block;font-size:44px;font-weight:900;background:var(--grad2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-data span{font-size:13px;color:rgba(255,255,255,.7)}
.demo{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:24px;backdrop-filter:blur(12px);box-shadow:0 24px 64px rgba(0,0,0,.35)}
.demo-bar{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.demo-bar img{width:30px;height:30px;border-radius:8px}
.demo-bar b{font-size:16px}
.demo-status{margin-left:auto;font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.12);color:#B9B6D8;transition:.3s}
.demo-status.on{background:rgba(0,196,140,.18);color:#5FF0C8}
.gauge{position:relative;width:210px;height:210px;margin:0 auto 14px}
.gauge svg{transform:rotate(-90deg)}
.gauge .track{stroke:rgba(255,255,255,.12);stroke-width:14;fill:none}
.gauge .val{stroke:url(#gg);stroke-width:14;fill:none;stroke-linecap:round;stroke-dasharray:565;stroke-dashoffset:565;transition:stroke-dashoffset 1.2s cubic-bezier(.4,0,.2,1)}
.gauge-mid{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge-mid b{font-size:38px;font-weight:900}
.gauge-mid span{font-size:12px;color:rgba(255,255,255,.65)}
.demo-nodes{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:16px}
.node-chip{padding:7px 14px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.18);transition:.3s}
.node-chip:hover{border-color:rgba(255,255,255,.5)}
.node-chip.on{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}
.demo-tg{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.tg{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.8)}
.tg i{width:36px;height:20px;border-radius:999px;background:rgba(255,255,255,.18);position:relative;transition:.3s}
.tg i:after{content:"";position:absolute;top:2.5px;left:3px;width:15px;height:15px;border-radius:50%;background:#fff;transition:.3s}
.tg.on i{background:var(--grad)}
.tg.on i:after{left:18px}
.demo-stats{display:flex;justify-content:space-around;background:rgba(255,255,255,.07);border-radius:14px;padding:12px;margin-bottom:18px}
.demo-stats div{text-align:center}
.demo-stats b{display:block;font-size:17px;font-weight:800}
.demo-stats span{font-size:11.5px;color:rgba(255,255,255,.6)}
.demo .btn{width:100%}
.demo-conn{background:var(--grad);color:#fff;padding:13px;border-radius:999px;font-size:16px;font-weight:700;transition:.3s;width:100%}
.demo-conn:hover{filter:brightness(1.12)}
.demo-conn.off{background:var(--grad2)}
.sec{padding:90px 0}
.sec.dark{background:var(--dark);color:#fff}
.sec.dark .sec-sub{color:rgba(255,255,255,.65)}
.sec.dark .sec-tag{background:rgba(34,211,238,.14);color:#5FE3F5}
.nodes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.node-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;transition:.3s;display:flex;align-items:center;gap:14px}
.node-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:transparent}
.node-flag{width:44px;height:44px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#fff;flex:none}
.node-card b{display:block;font-size:16px}
.node-card span{font-size:13px;color:var(--mut)}
.node-card .lat{margin-left:auto;font-size:13px;font-weight:700;color:var(--ok)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;transition:.35s;position:relative;overflow:hidden}
.fcard:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:.35s}
.fcard:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.fcard:hover:before{opacity:1}
.fcard .ic{width:52px;height:52px;border-radius:14px;background:rgba(124,77,255,.1);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.fcard h3{font-size:17px;margin-bottom:8px}
.fcard p{font-size:14px;color:var(--mut)}
.speed-panel{background:var(--dark);border-radius:26px;padding:46px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;color:#fff;position:relative;overflow:hidden}
.speed-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 15%,rgba(34,211,238,.25),transparent)}
.speed-panel h3{font-size:26px;font-weight:800;margin-bottom:12px}
.speed-panel p{color:rgba(255,255,255,.7);font-size:15px}
.chart{display:flex;align-items:flex-end;gap:12px;height:200px;position:relative}
.chart .bar{flex:1;border-radius:8px 8px 0 0;background:var(--grad);height:0;transition:height 1.4s cubic-bezier(.3,.8,.3,1);position:relative}
.chart .bar span{position:absolute;top:-24px;left:50%;transform:translateX(-50%);font-size:12px;color:rgba(255,255,255,.75)}
.chart .bar i{position:absolute;bottom:-26px;left:50%;transform:translateX(-50%);font-size:12px;color:rgba(255,255,255,.6);font-style:normal}
.proto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 24px;text-align:center;transition:.3s}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.pcard .ic{width:64px;height:64px;margin:0 auto 16px;border-radius:18px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:30px}
.pcard h3{font-size:18px;margin-bottom:10px}
.pcard p{font-size:14px;color:var(--mut)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scard{position:relative;border-radius:var(--r);padding:30px 24px;background:#fff;border:1px solid var(--line);overflow:hidden;transition:.35s}
.scard:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.scard .num{font-size:42px;font-weight:900;color:rgba(124,77,255,.14);position:absolute;top:12px;right:20px}
.scard h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.scard p{font-size:14px;color:var(--mut)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:st}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 26px;text-align:center;position:relative;transition:.3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.step .n{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--grad2);color:#fff;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(255,106,61,.35)}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14px;color:var(--mut)}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px 30px;display:flex;flex-direction:column;transition:.35s;position:relative}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.price-card.hot{background:var(--dark);color:#fff;border-color:transparent;transform:scale(1.04);box-shadow:0 20px 56px rgba(20,16,46,.3)}
.price-card.hot:hover{transform:scale(1.04) translateY(-6px)}
.hot-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad2);color:#fff;font-size:13px;font-weight:700;padding:5px 18px;border-radius:999px;white-space:nowrap}
.price-card h3{font-size:19px;margin-bottom:6px}
.price-card .tip{font-size:13px;color:var(--mut);margin-bottom:20px}
.price-card.hot .tip{color:rgba(255,255,255,.65)}
.price{font-size:46px;font-weight:900;display:flex;align-items:baseline;gap:4px;margin-bottom:6px}
.price small{font-size:15px;font-weight:500;color:var(--mut)}
.price-card.hot .price small{color:rgba(255,255,255,.65)}
.price-card .per{font-size:13px;color:var(--mut);margin-bottom:22px}
.price-card.hot .per{color:rgba(255,255,255,.6)}
.plist{flex:1;margin-bottom:26px}
.plist li{display:flex;gap:10px;padding:8px 0;font-size:14.5px;align-items:flex-start}
.plist li:before{content:"✓";color:var(--ok);font-weight:800;flex:none}
.price-card.hot .plist li:before{color:#5FF0C8}
.faq{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item.open{box-shadow:var(--sh)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 24px;font-size:16.5px;font-weight:600;text-align:left;color:var(--txt)}
.faq-q .pm{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(124,77,255,.1);color:var(--p);display:flex;align-items:center;justify-content:center;font-weight:800;transition:.3s}
.faq-item.open .pm{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease}
.faq-a p{padding:0 24px 22px;color:var(--mut);font-size:15px}
.faq-a ol{padding:0 24px 22px 46px;color:var(--mut);font-size:15px}
.faq-a ol li{margin-bottom:6px;list-style:decimal}
.testi-wrap{overflow:hidden}
.testi-track{display:flex;gap:22px;transition:transform .5s ease}
.tcard{flex:0 0 calc(33.333% - 15px);background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:14px}
.tcard .stars{color:var(--warn);letter-spacing:3px}
.tcard p{font-size:14.5px;color:var(--txt);flex:1}
.tcard .who{display:flex;align-items:center;gap:12px}
.tcard .who img,.tcard .who .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px}
.tcard .who b{display:block;font-size:15px}
.tcard .who span{font-size:12.5px;color:var(--mut)}
.testi-dots{display:flex;justify-content:center;gap:8px;margin-top:26px}
.testi-dots i{width:10px;height:10px;border-radius:999px;background:#D8D4F0;cursor:pointer;transition:.3s}
.testi-dots i.on{width:26px;background:var(--p)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.ncard img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:.5s}
.ncard:hover img{transform:scale(1.05)}
.ncard .bd{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.ncard .cat{font-size:12px;color:var(--p);background:rgba(124,77,255,.08);padding:3px 12px;border-radius:999px;align-self:flex-start}
.ncard h3{font-size:17px;line-height:1.5}
.ncard p{font-size:14px;color:var(--mut);flex:1}
.ncard .date{font-size:12.5px;color:#A8A4C8}
.cta{position:relative;background:linear-gradient(120deg,#7C4DFF,#4A2FB8 55%,#1E1860);color:#fff;border-radius:30px;padding:64px 40px;text-align:center;overflow:hidden}
.cta:before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(34,211,238,.25);filter:blur(80px);top:-140px;right:-80px}
.cta h2{font-size:32px;font-weight:900;margin-bottom:12px;position:relative}
.cta p{color:rgba(255,255,255,.8);margin-bottom:28px;position:relative}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
footer{background:#0D0A22;color:#fff;padding:64px 0 0;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.foot-brand img{width:40px;height:40px;border-radius:10px;margin-bottom:12px}
.foot-brand p{color:rgba(255,255,255,.6);font-size:14px;max-width:280px}
footer h4{font-size:16px;margin-bottom:16px}
footer ul li{margin-bottom:10px}
footer ul a{color:rgba(255,255,255,.65);font-size:14px;transition:.25s}
footer ul a:hover{color:#5FE3F5;padding-left:4px}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;color:rgba(255,255,255,.5);font-size:13px}
.page-hero{background:radial-gradient(700px 320px at 80% 0,rgba(34,211,238,.3),transparent),radial-gradient(700px 320px at 0 100%,rgba(124,77,255,.4),transparent),var(--dark);color:#fff;padding:150px 0 70px;text-align:center}
.page-hero h1{font-size:38px;font-weight:900;margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.75);max-width:640px;margin:0 auto}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--mut);padding:26px 0 0;flex-wrap:wrap}
.crumb a{color:var(--mut);transition:.25s}
.crumb a:hover{color:var(--p)}
.crumb i{font-style:normal;color:#C9C5E8}
.crumb .cur{color:var(--txt);font-weight:600}
.dl-hero{padding:170px 0 90px;background:radial-gradient(1000px 500px at 85% -10%,rgba(34,211,238,.3),transparent),radial-gradient(800px 420px at -5% 110%,rgba(124,77,255,.45),transparent),var(--dark);color:#fff}
.dl-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.dl-grid h1{font-size:40px;font-weight:900;line-height:1.3;margin-bottom:14px}
.dl-grid p{color:rgba(255,255,255,.78);font-size:16.5px;margin-bottom:26px}
.dl-meta{display:flex;gap:0;margin-bottom:30px;flex-wrap:wrap}
.dl-meta .m{flex:1;min-width:120px;padding:0 18px;border-left:1px solid rgba(255,255,255,.18)}
.dl-meta .m:first-child{border:none;padding-left:0}
.dl-meta b{display:block;font-size:19px;font-weight:800}
.dl-meta span{font-size:12.5px;color:rgba(255,255,255,.65)}
.ver-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px;display:flex;flex-direction:column;transition:.3s}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.vcard .os{width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:14px}
.vcard h3{font-size:17px;margin-bottom:4px}
.vcard .vno{font-size:13px;color:var(--p);font-weight:600;margin-bottom:6px}
.vcard .vsize{font-size:13px;color:var(--mut);margin-bottom:14px}
.vcard ul{flex:1;margin-bottom:18px}
.vcard ul li{font-size:13.5px;color:var(--mut);padding:4px 0;display:flex;gap:8px}
.vcard ul li:before{content:"✓";color:var(--ok);font-weight:800}
.vcard .btn{padding:11px 20px;font-size:14.5px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:.3s}
.req:hover{box-shadow:var(--sh)}
.req b{display:block;font-size:15.5px;margin-bottom:6px}
.req span{font-size:14px;color:var(--mut)}
.install{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.istep{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px;text-align:center;position:relative;transition:.3s}
.istep:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.istep .n{width:48px;height:48px;margin:0 auto 14px;border-radius:50%;background:var(--grad);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center}
.istep h3{font-size:17px;margin-bottom:8px}
.istep p{font-size:13.5px;color:var(--mut)}
.news-layout{display:grid;grid-template-columns:280px 1fr;gap:26px;padding:40px 0 80px;align-items:start}
.news-layout h2{font-size:26px;font-weight:800;margin-bottom:22px;grid-column:1/-1}
.news-feed{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.nf-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.35s}
.nf-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.nf-card img{aspect-ratio:16/9;object-fit:cover}
.nf-card .bd{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.nf-card h3{font-size:16.5px;line-height:1.5}
.nf-card p{font-size:13.5px;color:var(--mut);flex:1}
.nf-card .date{font-size:12.5px;color:#A8A4C8}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:22px}
.side-card h4{font-size:16px;font-weight:700;padding-left:12px;border-left:4px solid var(--p);margin-bottom:16px}
.toc{position:relative}
.toc:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc li{position:relative;padding:6px 0 6px 24px}
.toc li:before{content:"";position:absolute;left:1px;top:14px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid #C9C5E8;transition:.3s}
.toc li a{font-size:13.5px;color:var(--mut);transition:.25s;line-height:1.5;display:block}
.toc li:hover a{color:var(--p)}
.toc li.on:before{background:var(--p);border-color:var(--p)}
.toc li.on a{color:var(--p);font-weight:700}
.hot-rank li{display:flex;align-items:center;gap:12px;padding:9px 0}
.hot-rank .rk{flex:none;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:#fff;background:#C9C5E8;transition:.3s}
.hot-rank li:nth-child(1) .rk{background:var(--grad)}
.hot-rank li:nth-child(2) .rk{background:linear-gradient(135deg,#FF6A3D,#FF9A62)}
.hot-rank li:nth-child(3) .rk{background:linear-gradient(135deg,#FFB020,#FFD166)}
.hot-rank li a{font-size:13.5px;color:var(--txt);line-height:1.45;transition:.25s}
.hot-rank li:hover .rk{transform:scale(1.15)}
.hot-rank li:hover a{color:var(--p)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{font-size:12.5px;color:var(--mut);border:1px solid var(--line);padding:6px 13px;border-radius:999px;transition:.25s}
.tag-cloud a:hover{color:var(--p);border-color:var(--p);background:rgba(124,77,255,.06)}
.article-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px 42px}
.article-wrap h1{font-size:28px;font-weight:900;line-height:1.4;margin-bottom:14px}
.art-meta{display:flex;gap:18px;color:var(--mut);font-size:13.5px;margin-bottom:22px;flex-wrap:wrap}
.art-meta b{color:var(--txt)}
.art-cover{border-radius:16px;margin-bottom:26px;width:100%}
.article-wrap .lead{font-size:16.5px;color:var(--txt);background:rgba(124,77,255,.05);border-left:4px solid var(--p);padding:16px 20px;border-radius:0 12px 12px 0;margin-bottom:26px}
.article-wrap h2{font-size:21px;font-weight:800;margin:30px 0 14px;scroll-margin-top:90px}
.article-wrap p{font-size:15.5px;color:#4A4670;margin-bottom:16px;text-align:justify}
.article-wrap img.inline{border-radius:14px;margin:22px 0;width:100%}
.quote{border-left:4px solid var(--a);background:rgba(255,106,61,.06);padding:14px 18px;border-radius:0 12px 12px 0;margin:20px 0;font-style:italic}
.quote b{color:var(--a);font-style:normal}
.comments{margin-top:40px;border-top:1px solid var(--line);padding-top:26px}
.comments h3{font-size:19px;font-weight:800;margin-bottom:20px}
.cmt{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cmt .av{flex:none;width:42px;height:42px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.cmt .hd{display:flex;align-items:baseline;gap:10px;margin-bottom:4px;flex-wrap:wrap}
.cmt .hd b{font-size:14.5px}
.cmt .hd span{font-size:12px;color:#A8A4C8}
.cmt p{font-size:14px;color:#4A4670;margin:0;text-align:left}
.art-nav{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.art-nav a{flex:1;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.3s}
.art-nav a:hover{border-color:var(--p);box-shadow:var(--sh)}
.art-nav a span{display:block;font-size:12px;color:var(--mut);margin-bottom:4px}
.art-nav a b{font-size:14px;line-height:1.4}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.rel-card img{aspect-ratio:16/9;object-fit:cover}
.rel-card .bd{padding:14px 16px 16px}
.rel-card h5{font-size:14px;line-height:1.5;margin-bottom:6px}
.rel-card span{font-size:12px;color:#A8A4C8}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.map-grid li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.3s;font-size:15px}
.map-grid li:hover{border-color:var(--p);transform:translateY(-3px);box-shadow:var(--sh)}
.map-grid li a{display:block}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;padding:34px 0 80px;align-items:start}
.art-layout .side{position:sticky;top:96px}
.e404{min-height:88vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(700px 400px at 50% -10%,rgba(124,77,255,.3),transparent),var(--dark);color:#fff;padding:140px 24px 60px}
.e404 .code{font-size:120px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.e404 h1{font-size:26px;margin:10px 0 12px}
.e404 p{color:rgba(255,255,255,.7);margin-bottom:26px}
.e404 .count{color:#5FE3F5;font-weight:800}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.hero-grid,.dl-grid,.speed-panel{grid-template-columns:1fr;gap:36px}
.hero{padding:130px 0 70px}
.hero h1,.dl-grid h1{font-size:34px}
.sec-title{font-size:28px}
.nodes-grid,.feature-grid,.scenario-grid,.ver-grid,.req-grid,.install,.pricing{grid-template-columns:repeat(2,1fr)}
.price-card.hot{transform:none}
.price-card.hot:hover{transform:translateY(-6px)}
.proto-grid,.steps,.news-grid,.rel-grid{grid-template-columns:1fr}
.tcard{flex:0 0 calc(50% - 11px)}
.burger{display:flex}
.menu{position:fixed;top:0;right:-300px;width:280px;height:100vh;background:var(--dark);flex-direction:column;align-items:stretch;gap:6px;padding:90px 22px 30px;transition:right .4s;z-index:998;overflow-y:auto}
.menu.open{right:0;box-shadow:-20px 0 60px rgba(0,0,0,.4)}
.menu>li>a,.drop-btn{justify-content:space-between;width:100%;padding:13px 16px;font-size:16px}
.menu>li{position:static}
.drop{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.06);box-shadow:none;display:none;margin:4px 8px;min-width:0}
.has.open .drop{display:block}
.drop li a{color:#fff}
.drop li a:hover{background:rgba(255,255,255,.12);color:#fff}
.nav .nav-btn{display:none}
.news-layout{grid-template-columns:1fr}
.news-feed{grid-template-columns:1fr}
.art-layout{grid-template-columns:1fr}
.art-layout .side{position:static;order:2}
.side{order:2}
.article-wrap{padding:28px 24px}
.foot-grid{grid-template-columns:1fr 1fr}
.burger{z-index:999}
}
@media(max-width:768px){
.nodes-grid,.feature-grid,.scenario-grid,.ver-grid,.req-grid,.install,.pricing,.map-grid{grid-template-columns:1fr}
.sec{padding:60px 0}
.hero h1,.dl-grid h1{font-size:28px}
.sec-title{font-size:24px}
.demo{padding:18px}
.gauge{width:170px;height:170px}
.speed-panel{padding:28px 22px}
.chart{height:150px;gap:8px}
.tcard{flex:0 0 92%}
.article-wrap h1{font-size:22px}
.art-nav a{min-width:100%}
.page-hero{padding:130px 0 50px}
.page-hero h1{font-size:28px}
.hero-data b{font-size:36px}
.cta{padding:46px 22px}
.foot-grid{grid-template-columns:1fr;gap:26px}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.hero-data b{font-size:32px}
.hero-data .d{min-width:46%;padding:10px 0;border-left:none}
.hero-cta .btn{width:100%}
.btn{width:100%;justify-content:center}
.demo-nodes{gap:6px}
.node-chip{padding:6px 10px;font-size:12px}
.news-grid{grid-template-columns:1fr}
.hero{padding:118px 0 50px}
}