*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#1e2235;background:#f6f7fb;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
:root{--brand:#5b7cfa;--brand2:#8a5cf6;--cyan:#22d3ee;--dark:#0d1030;--dark2:#14183f;--txt:#1e2235;--sub:#5c6175;--line:#e6e8f2;--grad:linear-gradient(135deg,#5b7cfa 0%,#8a5cf6 100%);--grad2:linear-gradient(135deg,#22d3ee 0%,#5b7cfa 100%);--r:16px;--sh:0 12px 32px rgba(30,41,99,.10)}
.wrap{width:min(1200px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:.25s}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(91,124,250,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(91,124,250,.45)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-line{background:#fff;color:var(--brand);border:2px solid #dfe4ff}
.btn-line:hover{background:#eef1ff}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(91,124,250,.1);color:var(--brand)}
.sec{padding:72px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head h2{font-size:34px;line-height:1.3;margin-bottom:12px;color:var(--dark)}
.sec-head p{color:var(--sub);font-size:16px}
.sec-head .badge{margin-bottom:14px}
h1,h2,h3{line-height:1.35}
.card{background:#fff;border-radius:var(--r);box-shadow:var(--sh);transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(30,41,99,.16)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;background:transparent;transition:.3s;height:72px;display:flex;align-items:center}
.nav.scrolled{background:rgba(13,16,48,.92);backdrop-filter:blur(12px);box-shadow:0 6px 24px rgba(0,0,0,.25)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;letter-spacing:.5px}
.logo img{width:36px;height:36px;border-radius:9px}
.logo b{color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative;display:block}
.nav-item>a,.nav-item>label{display:flex;align-items:center;gap:6px;padding:10px 16px;color:rgba(255,255,255,.85);font-size:15px;font-weight:600;border-radius:10px;cursor:pointer;transition:.25s;white-space:nowrap}
.nav-item>a:hover,.nav-item>label:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-item .arrow{display:inline-block;transition:transform .3s;font-size:11px}
.nav-item input{position:absolute;opacity:0;pointer-events:none}
.drop{position:absolute;top:calc(100% + 10px);left:0;min-width:220px;background:#fff;border-radius:14px;box-shadow:0 18px 48px rgba(13,16,48,.22);padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.drop a{display:block;padding:10px 16px;color:var(--txt);font-size:14px;font-weight:600;border-radius:10px;transition:.2s}
.drop a:hover{background:#f0f3ff;color:var(--brand)}
.nav-item:hover .arrow,.nav-item input:checked~label .arrow{transform:rotate(180deg)}
.nav-item:hover .drop,.nav-item input:checked~.drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:10px 22px;font-size:14px}
.burger{display:none}
#burger-check{display:none}
.burger label{display:none}
@media(max-width:992px){
.nav{height:64px;background:rgba(13,16,48,.94)}
.burger{display:block}
.burger label{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:10px;cursor:pointer}
.burger label span{display:block;width:22px;height:2px;background:#fff;margin:0 auto;border-radius:2px;transition:.3s}
#burger-check:checked~.burger label span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#burger-check:checked~.burger label span:nth-child(2){opacity:0}
#burger-check:checked~.burger label span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-menu{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 5vw 24px;max-height:calc(100vh - 64px);overflow-y:auto;box-shadow:0 20px 40px rgba(0,0,0,.18);transform:translateY(-120%);opacity:0;visibility:hidden;transition:.3s;gap:2px}
#burger-check:checked~.nav-menu{transform:translateY(0);opacity:1;visibility:visible}
.nav-item>a,.nav-item>label{color:var(--txt);justify-content:space-between}
.nav-item>a:hover,.nav-item>label:hover{background:#f0f3ff;color:var(--brand)}
.drop{position:static;min-width:0;box-shadow:none;padding:0 0 0 14px;max-height:0;overflow:hidden;transform:none;border-left:2px solid #e6e8f2;border-radius:0}
.nav-item input:checked~.drop{max-height:600px}
.nav-cta .btn{padding:10px 18px}
}
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,rgba(138,92,246,.35),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(34,211,238,.25),transparent 55%),linear-gradient(160deg,#0d1030 0%,#171c4a 55%,#0d1030 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-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:46px;line-height:1.25;margin:18px 0 16px;font-weight:800}
.hero .slogan{font-size:18px;color:rgba(255,255,255,.78);max-width:540px;margin-bottom:30px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:30px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat span{font-size:14px;color:rgba(255,255,255,.6)}
.panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;backdrop-filter:blur(14px);padding:16px;max-width:420px;margin:0 auto;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.panel-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.panel-dot{width:10px;height:10px;border-radius:50%}
.panel-title{flex:1;text-align:center;font-size:13px;color:rgba(255,255,255,.65)}
.gauge{position:relative;width:166px;height:166px;margin:6px auto 2px}
.gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:rgba(255,255,255,.12);stroke-width:12}
.gauge .bar{fill:none;stroke:url(#gaugeGrad);stroke-width:12;stroke-linecap:round;stroke-dasharray:578;stroke-dashoffset:578;transition:stroke-dashoffset 1.2s ease}
.gauge-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge-num b{font-size:30px;font-weight:800;color:#fff}
.gauge-num span{font-size:11px;color:rgba(255,255,255,.6)}
.panel-rows{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.panel-row{background:rgba(255,255,255,.07);border-radius:10px;padding:8px 10px}
.panel-row span{font-size:11px;color:rgba(255,255,255,.55)}
.panel-row b{display:block;font-size:14px;margin-top:1px}
.panel-node{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.07);border-radius:10px;padding:8px 10px;margin-top:8px;cursor:pointer;transition:.25s}
.panel-node:hover{background:rgba(255,255,255,.13)}
.panel-node .flag{font-size:16px}
.panel-node input{appearance:none;-webkit-appearance:none;width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.45);position:relative;flex:none;margin:0;cursor:pointer;background:transparent}
.panel-node input:checked{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.22)}
.panel-node label{display:flex;align-items:center;gap:8px;cursor:pointer;width:100%}
.panel-node label b{font-size:13px;flex:1}
.panel-node .ping{font-size:12px;color:var(--cyan);font-weight:700}
.panel-node label:has(input:checked){background:rgba(34,211,238,.16);border:1px solid rgba(34,211,238,.45)}
.panel-conn{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.conn-btn{display:flex;align-items:center;justify-content:center;width:84px;height:84px;border-radius:50%;border:0;cursor:pointer;font-weight:800;font-size:15px;background:rgba(255,255,255,.1);color:#fff;border:2px solid rgba(255,255,255,.3);transition:.3s;position:relative}
#conn-check{display:none}
#conn-check:checked~.conn-btn{background:var(--grad);border-color:transparent;box-shadow:0 0 0 8px rgba(91,124,250,.18),0 0 30px rgba(91,124,250,.5)}
#conn-check:checked~.conn-btn::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px dashed rgba(34,211,238,.5);animation:spin 8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#conn-check:checked~.gauge .bar{stroke-dashoffset:42}
.gv-on{display:none}
#conn-check:checked~.gauge .gv-on,#conn-check:checked~.panel-rows .gv-on,#conn-check:checked~.panel-conn .gv-on{display:inline}
#conn-check:checked~.gauge .gv-off,#conn-check:checked~.panel-rows .gv-off,#conn-check:checked~.panel-conn .gv-off{display:none}
.conn-status{font-size:14px;color:rgba(255,255,255,.7)}
.tgl{display:flex;align-items:center;gap:10px;font-size:12px;color:rgba(255,255,255,.75)}
.tgl input{display:none}
.tgl .tk{width:36px;height:20px;border-radius:999px;background:rgba(255,255,255,.18);position:relative;cursor:pointer;transition:.3s;flex:none}
.tgl .tk::after{content:"";position:absolute;top:3px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:.3s}
.tgl input:checked+.tk{background:var(--grad)}
.tgl input:checked+.tk::after{left:20px}
.nodes-map{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.node-card{padding:22px;text-align:left;position:relative;overflow:hidden}
.node-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.node-card .fl{font-size:30px}
.node-card h3{font-size:17px;margin:10px 0 6px}
.node-card p{font-size:13px;color:var(--sub)}
.node-card .sp{display:inline-block;margin-top:10px;padding:4px 12px;border-radius:999px;background:rgba(34,211,238,.12);color:#0891b2;font-size:12px;font-weight:700}
.speed-band{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:stretch}
.speed-big{background:linear-gradient(150deg,#5b7cfa,#8a5cf6);color:#fff;border-radius:var(--r);padding:34px;box-shadow:var(--sh)}
.speed-big b{font-size:52px;font-weight:800;display:block;line-height:1.1}
.speed-big span{color:rgba(255,255,255,.8);font-size:15px}
.speed-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.speed-item{padding:18px;background:#fff;border-radius:14px;box-shadow:var(--sh);text-align:center}
.speed-item b{font-size:26px;color:var(--brand);display:block}
.speed-item span{font-size:13px;color:var(--sub)}
.proto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.proto-card{padding:26px;text-align:center}
.proto-ic{width:64px;height:64px;margin:0 auto 14px;border-radius:18px;background:rgba(91,124,250,.1);display:flex;align-items:center;justify-content:center;font-size:30px}
.proto-card h3{font-size:17px;margin-bottom:8px}
.proto-card p{font-size:14px;color:var(--sub)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:st}
.step{padding:28px;position:relative}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);position:absolute;top:18px;right:20px;font-size:44px;font-weight:800;color:#eef1ff;line-height:1}
.step .si{width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--sub)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{padding:26px}
.feat .fi{width:52px;height:52px;border-radius:15px;background:rgba(91,124,250,.1);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px}
.feat h3{font-size:16px;margin-bottom:8px}
.feat p{font-size:13px;color:var(--sub)}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sc{padding:24px}
.sc .si{font-size:28px;display:block;margin-bottom:10px}
.sc h3{font-size:16px;margin-bottom:8px}
.sc p{font-size:13px;color:var(--sub)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price{padding:32px;text-align:center;position:relative;border:2px solid transparent}
.price h3{font-size:18px;margin-bottom:6px}
.price .pt{font-size:13px;color:var(--sub);margin-bottom:16px}
.price .amt{font-size:44px;font-weight:800;color:var(--dark)}
.price .amt small{font-size:15px;font-weight:600;color:var(--sub)}
.price ul{margin:22px 0;text-align:left}
.price li{padding:9px 0;font-size:14px;color:var(--sub);border-bottom:1px dashed var(--line);display:flex;align-items:center;gap:8px}
.price li::before{content:"✓";color:var(--brand);font-weight:800}
.price.hot{border-color:var(--brand);background:linear-gradient(180deg,#fff, #f4f6ff);transform:scale(1.03);box-shadow:0 26px 60px rgba(91,124,250,.25)}
.price .hot-tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border-radius:14px;box-shadow:var(--sh);margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-ic{width:26px;height:26px;border-radius:50%;background:#eef1ff;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;transition:.3s;flex:none}
.faq-item[open] summary .faq-ic{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-item .faq-body{padding:0 24px 22px;color:var(--sub);font-size:14px}
.faq-item .faq-body ol{margin:10px 0 0 20px}
.faq-item .faq-body li{margin:6px 0}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi{padding:26px}
.testi .stars{color:#f5a623;letter-spacing:2px;margin-bottom:10px}
.testi p{font-size:14px;color:var(--sub);margin-bottom:16px}
.testi .who{display:flex;align-items:center;gap:12px}
.testi .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;flex:none}
.testi .who b{font-size:14px;display:block}
.testi .who span{font-size:12px;color:#9aa0b5}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{overflow:hidden;display:flex;flex-direction:column}
.news-card img{height:190px;width:100%;object-fit:cover;transition:.4s}
.news-card:hover img{transform:scale(1.06)}
.news-card .nb{padding:20px}
.news-card .meta{font-size:12px;color:#9aa0b5;margin-bottom:8px}
.news-card h3{font-size:16px;line-height:1.5;margin-bottom:10px}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:13px;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cta{background:radial-gradient(800px 400px at 50% -20%,rgba(34,211,238,.3),transparent 60%),linear-gradient(150deg,#171c4a,#0d1030);color:#fff;text-align:center;border-radius:28px;padding:64px 24px;position:relative;overflow:hidden}
.cta h2{font-size:32px;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.7);margin-bottom:28px}
.cta .btn{margin:0 8px}
.footer{background:#0a0d26;color:rgba(255,255,255,.75);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer a{display:block;padding:5px 0;font-size:14px;transition:.2s}
.footer a:hover{color:var(--cyan)}
.footer .flogo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:12px}
.footer .flogo img{width:32px;height:32px;border-radius:8px}
.footer .fdesc{font-size:13px;line-height:1.8;max-width:300px}
.footer-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.dl-hero{padding:130px 0 70px;color:#fff;position:relative;overflow:hidden}
.dl-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dl-hero h1{font-size:40px;margin:16px 0;font-weight:800}
.dl-hero .slogan{color:rgba(255,255,255,.78);margin-bottom:26px;max-width:520px}
.dl-meta{display:flex;gap:36px;flex-wrap:wrap;margin-bottom:26px}
.dl-meta b{display:block;font-size:22px;color:var(--cyan)}
.dl-meta span{font-size:13px;color:rgba(255,255,255,.6)}
.ver-list{display:grid;gap:18px}
.ver{display:grid;grid-template-columns:1fr auto;gap:20px;padding:26px;align-items:center}
.ver h3{font-size:19px;margin-bottom:6px}
.ver .vm{font-size:13px;color:var(--sub);margin-bottom:10px}
.ver ul{margin-bottom:0}
.ver li{font-size:13px;color:var(--sub);padding:3px 0;display:flex;gap:8px}
.ver li::before{content:"✓";color:var(--brand);font-weight:800}
.ver .btn{flex:none}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sys{padding:22px;text-align:center}
.sys .si{font-size:26px;display:block;margin-bottom:8px}
.sys b{display:block;font-size:15px;margin-bottom:4px}
.sys span{font-size:13px;color:var(--sub)}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s4}
.step4{padding:26px;position:relative}
.step4::before{counter-increment:s4;content:counter(s4,decimal-leading-zero);position:absolute;top:16px;right:18px;font-size:40px;font-weight:800;color:#eef1ff}
.step4 h3{font-size:16px;margin:12px 0 8px}
.step4 p{font-size:13px;color:var(--sub)}
.step4 .si{width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px}
.news-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start}
.article{background:#fff;border-radius:var(--r);box-shadow:var(--sh);padding:36px}
.article .meta{color:#9aa0b5;font-size:13px;margin:14px 0 20px}
.article h1{font-size:30px;line-height:1.4;margin-bottom:4px}
.article .lead{font-size:16px;color:var(--sub);background:#f4f6ff;border-left:4px solid var(--brand);padding:16px 20px;border-radius:0 12px 12px 0;margin:20px 0}
.article h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--grad);scroll-margin-top:90px}
.article p{margin-bottom:16px;font-size:15.5px;color:#33384d;line-height:1.9}
.article img{border-radius:14px;margin:20px 0;width:100%}
.article .data-block{background:#0d1030;color:#fff;border-radius:16px;padding:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}
.article .data-block b{font-size:26px;color:var(--cyan);display:block}
.article .data-block span{font-size:12px;color:rgba(255,255,255,.6)}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#9aa0b5;margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:var(--brand)}
.crumbs a:hover{text-decoration:underline}
.side{position:sticky;top:88px;display:grid;gap:20px}
.side-card{background:#fff;border-radius:var(--r);box-shadow:var(--sh);padding:22px;overflow:hidden}
.side-card h3{font-size:16px;padding-left:12px;border-left:4px solid var(--brand);margin-bottom:16px}
.toc{position:relative}
.toc a{display:flex;align-items:flex-start;gap:12px;padding:7px 0;font-size:13.5px;color:var(--sub);position:relative;transition:.2s}
.toc a::before{content:"";width:8px;height:8px;border-radius:50%;background:#d5d9ea;margin-top:7px;flex:none;transition:.2s;position:relative;z-index:2}
.toc a::after{content:"";position:absolute;left:3.5px;top:0;bottom:0;width:1px;background:#e6e8f2}
.toc a.active{color:var(--brand);font-weight:800}
.toc a.active::before{background:var(--brand);box-shadow:0 0 0 4px rgba(91,124,250,.18)}
.rank{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.rank:last-child{border-bottom:0}
.rank .rk{width:24px;height:24px;border-radius:8px;background:#e6e8f2;color:#8a90a8;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex:none;transition:.25s}
.rank:nth-child(1) .rk{background:linear-gradient(135deg,#5b7cfa,#8a5cf6);color:#fff}
.rank:nth-child(2) .rk{background:linear-gradient(135deg,#f5a623,#ff7a45);color:#fff}
.rank:nth-child(3) .rk{background:linear-gradient(135deg,#f5c84c,#e8a317);color:#fff}
.rank a{font-size:13.5px;font-weight:600;line-height:1.5}
.rank:hover .rk{transform:scale(1.18)}
.rank:hover a{color:var(--brand)}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags a{font-size:13px;padding:6px 14px;border-radius:999px;background:#f0f3ff;color:var(--brand);font-weight:600;border:1px solid transparent;transition:.2s}
.tags a:hover{background:#fff;border-color:var(--brand)}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:28px;flex-wrap:wrap}
.pager a{padding:14px 20px;border-radius:12px;background:#fff;box-shadow:var(--sh);font-size:14px;font-weight:600;flex:1;min-width:200px}
.pager a:hover{color:var(--brand)}
.pager .next{text-align:right}
.pager .back{flex:none;text-align:center;background:var(--grad);color:#fff}
.comments{margin-top:32px}
.comments h3{font-size:18px;margin-bottom:18px;padding-left:12px;border-left:4px solid var(--brand)}
.cmt{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cmt .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#22d3ee,#5b7cfa);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none}
.cmt .cwho{font-size:13px;color:#9aa0b5;margin-bottom:4px}
.cmt .cwho b{color:var(--txt);font-size:14px;margin-right:8px}
.cmt p{font-size:14px;color:var(--sub);margin:0}
.news-page{padding:130px 0 70px}
.news-page h1{font-size:34px;margin:14px 0 8px}
.news-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-item{display:grid;grid-template-columns:240px 1fr;overflow:hidden}
.news-item img{height:100%;width:100%;object-fit:cover;min-height:170px}
.news-item .nb{padding:22px}
.news-item .meta{font-size:12px;color:#9aa0b5;margin-bottom:8px}
.news-item h3{font-size:17px;margin-bottom:10px}
.news-item h3 a:hover{color:var(--brand)}
.news-item p{font-size:13px;color:var(--sub);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.sitemap-page{background:#fff;border-radius:var(--r);box-shadow:var(--sh);padding:40px}
.sitemap-page h2{font-size:20px;margin:26px 0 14px;padding-left:12px;border-left:4px solid var(--brand)}
.sitemap-page h2:first-child{margin-top:0}
.sitemap-page a{display:block;padding:8px 0 8px 16px;color:var(--brand);font-size:15px;border-bottom:1px dashed var(--line)}
.sitemap-page a:hover{text-decoration:underline}
.sitemap-page .lv2{padding-left:40px;color:var(--sub);font-size:14px}
.page-404{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(160deg,#0d1030,#171c4a);color:#fff;text-align:center;padding:24px}
.page-404 b{font-size:110px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.page-404 h1{font-size:26px;margin:18px 0 10px}
.page-404 p{color:rgba(255,255,255,.65);margin-bottom:30px}
.count-dot{display:inline-block;width:26px;text-align:center;font-weight:800;color:var(--cyan)}
.sec-alt{background:#fff}
.sec-dark{background:linear-gradient(160deg,#0d1030,#171c4a);color:#fff}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:rgba(255,255,255,.65)}
.reveal{transition:opacity .7s ease,transform .7s ease}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){
.sec{padding:54px 0}
.hero{padding:120px 0 70px}
.hero-grid,.dl-hero .wrap{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:36px}
.feat-grid{grid-template-columns:repeat(2,1fr)}
.sc-grid{grid-template-columns:repeat(2,1fr)}
.nodes-map{grid-template-columns:repeat(2,1fr)}
.speed-band{grid-template-columns:1fr}
.proto-grid{grid-template-columns:1fr 1fr}
.price-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.price.hot{transform:none}
.testi-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
.news-grid{grid-template-columns:repeat(2,1fr)}
.steps4{grid-template-columns:repeat(2,1fr)}
.sys-grid{grid-template-columns:repeat(2,1fr)}
.news-layout{grid-template-columns:1fr}
.side{position:static;grid-template-columns:repeat(3,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.news-list-grid{grid-template-columns:1fr}
.ver{grid-template-columns:1fr}
.ver .btn{justify-content:center}
.article .data-block{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.sec-head h2{font-size:27px}
.hero h1{font-size:30px}
.dl-hero h1{font-size:30px}
.feat-grid{grid-template-columns:1fr 1fr}
.sc-grid{grid-template-columns:1fr}
.nodes-map{grid-template-columns:1fr 1fr}
.proto-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.speed-list{grid-template-columns:1fr}
.steps4{grid-template-columns:1fr}
.sys-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.side{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.article{padding:24px}
.article h1{font-size:24px}
.news-item{grid-template-columns:1fr}
.news-item img{height:180px}
.hero-stats{gap:22px}
}
@media(max-width:480px){
.hero{padding:110px 0 56px}
.hero h1{font-size:26px}
.hero .slogan{font-size:15px}
.hero-btns .btn{width:100%}
.nodes-map{grid-template-columns:1fr}
.feat-grid{grid-template-columns:1fr}
.panel{padding:12px}
.gauge{width:148px;height:148px}
.gauge-num b{font-size:26px}
.panel-rows{grid-template-columns:1fr}
.article .data-block{grid-template-columns:1fr 1fr}
.cta h2{font-size:24px}
.sec-head h2{font-size:24px}
}