*,*::before,*::after{box-sizing:border-box}
:root{--brand:#2563eb;--brand2:#06b6d4;--grad:linear-gradient(135deg,#2563eb,#06b6d4);--ink:#0f172a;--muted:#5b6b84;--line:#e6ebf3;--bg:#f7f9fd;--card:#fff;--dark:#0a1424;--dark2:#12233f;--shadow:0 10px 30px rgba(15,23,42,.08);--shadow2:0 18px 44px rgba(15,23,42,.14);--r:16px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1.05em}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.sec{padding:84px 0}
.sec.tight{padding:64px 0}
.sec.dark{background:linear-gradient(180deg,#0a1424,#12233f);color:#e8eefb}
.sec.dark .lead,.sec.dark .kicker{color:#9fb2d0}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);background:rgba(37,99,235,.09);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.lead{color:var(--muted);max-width:640px;margin:14px auto 0;font-size:17px}
h2.title{font-size:clamp(26px,3.4vw,38px)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g6{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow2);border-color:rgba(37,99,235,.35)}
.ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:rgba(37,99,235,.1);margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{color:var(--muted);margin:0;font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:11px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;min-height:48px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(37,99,235,.45)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid rgba(37,99,235,.4)}
.btn-outline:hover{background:rgba(37,99,235,.07)}
.btn-sm{padding:10px 20px;min-height:40px;font-size:14px;border-radius:9px}
.nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(10,20,36,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s,box-shadow .3s}
.nav.scrolled{background:rgba(8,16,30,.92);box-shadow:0 10px 30px rgba(0,0,0,.28)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px}
.logo img{width:34px;height:34px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu>a,.nav-group>label{display:flex;align-items:center;gap:5px;color:#dbe6f7;font-size:15px;font-weight:600;padding:10px 14px;border-radius:9px;cursor:pointer;transition:background .25s,color .25s}
.nav-menu>a:hover,.nav-group>label:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-group{position:relative}
.arw{font-style:normal;font-size:11px;transition:transform .3s}
.nav-drop{position:absolute;top:calc(100% + 10px);left:0;min-width:196px;background:#fff;border-radius:14px;padding:10px;box-shadow:0 20px 44px rgba(15,23,42,.2);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s}
.nav-drop a{display:block;padding:10px 14px;border-radius:9px;color:#2a3a52;font-size:14.5px;font-weight:600}
.nav-drop a:hover{background:rgba(37,99,235,.09);color:var(--brand)}
.nav-group:hover .nav-drop,.nav-sub-cb:checked~.nav-drop{opacity:1;visibility:visible;transform:translateY(0)}
.nav-group:hover .arw,.nav-sub-cb:checked~label .arw{transform:rotate(180deg)}
.nav-cta{margin-left:10px}
.nav-toggle-cb,.nav-sub-cb{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.nav-burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;border-radius:10px}
.nav-burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.hero{position:relative;background:radial-gradient(1100px 520px at 82% -8%,rgba(6,182,212,.3),transparent 60%),radial-gradient(900px 480px at 6% 6%,rgba(37,99,235,.34),transparent 58%),#0a1424;color:#fff;padding:140px 0 90px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(circle at 50% 20%,#000,transparent 72%);-webkit-mask-image:radial-gradient(circle at 50% 20%,#000,transparent 72%);pointer-events:none}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:#cfe0ff;font-size:13px;font-weight:600;padding:7px 15px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.6vw,52px);letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#67e8f9,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:#b9c9e4;font-size:17px;margin:20px 0 30px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:42px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:30px;font-weight:800;background:linear-gradient(120deg,#fff,#9fd8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:13.5px;color:#93a7c6}
.demo{background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:22px;box-shadow:0 26px 60px rgba(0,0,0,.42);backdrop-filter:blur(8px)}
.demo-top{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.demo-top .dot{width:9px;height:9px;border-radius:50%;background:#22d3ee;box-shadow:0 0 0 4px rgba(34,211,238,.2)}
.demo-top b{font-size:15px;color:#fff}
.pill{margin-left:auto;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:rgba(34,197,94,.18);color:#4ade80;border:1px solid rgba(74,222,128,.35)}
.pill.off{background:rgba(148,163,184,.18);color:#cbd5e1;border-color:rgba(203,213,225,.3)}
.gauge{position:relative;width:186px;height:186px;margin:4px auto 18px}
.ring{position:absolute;inset:0;border-radius:50%;background:conic-gradient(var(--brand2) calc(var(--p,72)*1%),rgba(255,255,255,.09) 0);-webkit-mask:radial-gradient(circle,transparent 61%,#000 62%);mask:radial-gradient(circle,transparent 61%,#000 62%);transition:background .9s ease}
.ring::after{content:""}
.gauge-val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge-val b{font-size:38px;font-weight:800;color:#fff;line-height:1}
.gauge-val span{font-size:12.5px;color:#9fb6d8;margin-top:4px;letter-spacing:.08em}
.demo-rows{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.demo-row{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 13px}
.demo-row span{display:block;font-size:12px;color:#9fb6d8}
.demo-row b{font-size:18px;color:#fff}
.node-list{display:grid;gap:8px;margin-bottom:14px}
.node{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid transparent;border-radius:11px;padding:9px 12px;cursor:pointer;transition:background .25s,border-color .25s}
.node:hover{background:rgba(6,182,212,.14)}
.node.on{border-color:rgba(34,211,238,.6);background:rgba(6,182,212,.16)}
.node .flag{font-size:16px}
.node .nm{font-size:13.5px;color:#e2ecfb;font-weight:600}
.node .ms{margin-left:auto;font-size:12.5px;color:#8fe3ef;font-weight:700}
.toggles{display:flex;gap:10px;margin-bottom:14px}
.switch{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#c9d8ee;flex:1;background:rgba(255,255,255,.06);border-radius:10px;padding:8px 11px;cursor:pointer;position:relative}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch i{width:32px;height:18px;border-radius:999px;background:rgba(255,255,255,.22);position:relative;flex:none;transition:background .3s}
.switch i::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .3s}
.switch input:checked+i{background:var(--brand2)}
.switch input:checked+i::after{transform:translateX(14px)}
.demo button{width:100%;padding:13px;border:0;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;cursor:pointer;min-height:48px;transition:transform .25s,box-shadow .25s}
.demo button:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(6,182,212,.4)}
.stats4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;text-align:center;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.stat:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.stat .em{font-size:26px}
.stat b{display:block;font-size:32px;font-weight:800;margin:8px 0 4px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:14px;color:var(--muted)}
.node-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.node-card{display:flex;align-items:center;gap:13px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);transition:transform .3s,border-color .3s}
.node-card:hover{transform:translateY(-5px);border-color:rgba(6,182,212,.5)}
.node-card .flag{font-size:24px}
.node-card .nm{font-weight:700;font-size:15.5px}
.node-card .meta{font-size:12.5px;color:var(--muted)}
.node-card .bars{margin-left:auto;display:flex;gap:3px;align-items:flex-end;height:26px}
.node-card .bars i{width:5px;border-radius:2px;background:var(--grad);display:block}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;box-shadow:var(--shadow);position:relative;transition:transform .3s,box-shadow .3s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.step .num{width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);margin:0;font-size:15px}
.scene{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene .card{padding:24px}
.scene .ico{background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.12))}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 28px;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative;transition:transform .3s,box-shadow .3s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.plan.best{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;transform:scale(1.03)}
.plan.best:hover{transform:scale(1.03) translateY(-6px)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:19px}
.plan .amt{font-size:38px;font-weight:800;margin:14px 0 2px}
.plan .amt small{font-size:14px;font-weight:600;color:var(--muted)}
.plan .per{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.plan ul{display:grid;gap:10px;margin-bottom:24px}
.plan li{display:flex;gap:9px;font-size:14.6px;color:#33445e}
.plan li::before{content:"✓";color:var(--brand);font-weight:800;flex:none}
.plan .btn{margin-top:auto;width:100%}
.faq{max-width:820px;margin:0 auto}
.qa{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:13px;box-shadow:var(--shadow);overflow:hidden}
.qa summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:700;font-size:16.2px;display:flex;align-items:center;gap:12px;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";margin-left:auto;font-size:22px;color:var(--brand);font-weight:700;transition:transform .3s;line-height:1}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .ans{padding:0 22px 21px;color:var(--muted);font-size:15.2px}
.qa .ans ol{margin:10px 0 0;padding-left:20px;list-style:decimal}
.qa .ans li{margin-bottom:6px}
.rate{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rate .card{display:flex;flex-direction:column}
.stars{color:#f59e0b;font-size:15px;letter-spacing:2px;margin-bottom:12px}
.rate .who{display:flex;align-items:center;gap:12px;margin-top:16px}
.rate .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none}
.rate .who b{display:block;font-size:14.5px}
.rate .who span{font-size:12.5px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.post .thumb{aspect-ratio:16/9;overflow:hidden;background:#dbe4f0}
.post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post:hover .thumb img{transform:scale(1.06)}
.post .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post .cat{font-size:12px;font-weight:700;color:var(--brand);background:rgba(37,99,235,.1);padding:4px 11px;border-radius:999px;align-self:flex-start;margin-bottom:12px}
.post h3{font-size:17.5px;margin-bottom:10px}
.post h3 a:hover{color:var(--brand)}
.post .ex{color:var(--muted);font-size:14.4px;flex:1}
.post .date{font-size:12.8px;color:#8a99b2;margin-top:14px}
.cta{background:radial-gradient(700px 340px at 50% -10%,rgba(6,182,212,.35),transparent 65%),linear-gradient(135deg,#0a1424,#15294a);color:#fff;border-radius:24px;padding:60px 40px;text-align:center;box-shadow:var(--shadow2)}
.cta h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta p{color:#b9c9e4;max-width:560px;margin:0 auto 28px}
.foot{background:#08111f;color:#9fb2d0;padding:66px 0 26px;margin-top:0}
.foot-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot .logo{margin-bottom:16px}
.foot p{font-size:14.2px;color:#8ba0bf;max-width:320px}
.foot h4{color:#fff;font-size:15.5px;margin-bottom:16px}
.foot li{margin-bottom:11px}
.foot li a{font-size:14.2px;color:#9fb2d0}
.foot li a:hover{color:#67e8f9}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);margin-top:46px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.4px}
.foot-bot a:hover{color:#67e8f9}
.totop{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;border:0;cursor:pointer;font-size:20px;box-shadow:0 12px 28px rgba(37,99,235,.4);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s;z-index:50}
.totop.show{opacity:1;visibility:visible;transform:none}
.page-hero{background:radial-gradient(700px 320px at 78% -20%,rgba(6,182,212,.3),transparent 60%),linear-gradient(135deg,#0a1424,#15294a);color:#fff;padding:126px 0 62px;text-align:center}
.page-hero h1{font-size:clamp(26px,3.6vw,42px)}
.page-hero p{color:#b9c9e4;max-width:640px;margin:14px auto 0}
.crumb{font-size:13.4px;color:#9fb2d0;margin-top:16px}
.crumb a:hover{color:#67e8f9}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.dl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.dl-card .em{font-size:32px;margin-bottom:14px}
.dl-card h3{font-size:19px;margin-bottom:6px}
.dl-card .ver{font-size:13px;color:var(--muted);margin-bottom:16px}
.dl-card ul{display:grid;gap:9px;margin-bottom:22px}
.dl-card li{font-size:14.4px;color:#33445e;display:flex;gap:8px}
.dl-card li::before{content:"✓";color:var(--brand);font-weight:800}
.dl-card .btn{margin-top:auto;width:100%}
.req{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.req .item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px 20px;box-shadow:var(--shadow)}
.req .item span{font-size:12.8px;color:var(--muted);display:block}
.req .item b{font-size:16px}
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.art{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px 40px;box-shadow:var(--shadow)}
.art h1{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.art .meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13.4px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.art .cover{border-radius:14px;margin-bottom:26px;width:100%;height:auto}
.art h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.art p{color:#31435c;font-size:16.2px}
.art .fig{margin:26px 0}
.art .fig img{border-radius:12px;width:100%;height:auto}
.art .fig figcaption{font-size:13.4px;color:var(--muted);text-align:center;margin-top:10px}
.art blockquote{margin:24px 0;padding:20px 24px;background:rgba(37,99,235,.06);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:#2a3a52;font-size:16px}
.art blockquote cite{display:block;margin-top:10px;font-size:13.6px;color:var(--muted);font-style:normal}
.art .dl-inline{background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.08));border:1px solid rgba(37,99,235,.2);border-radius:14px;padding:24px;margin:32px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.art .dl-inline div{flex:1;min-width:220px}
.art .dl-inline b{font-size:17px}
.art .dl-inline p{margin:4px 0 0;color:var(--muted);font-size:14.4px}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:34px;flex-wrap:wrap}
.pager a{flex:1;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 18px;font-size:14.4px;box-shadow:var(--shadow);transition:border-color .25s,transform .25s}
.pager a:hover{border-color:rgba(37,99,235,.45);transform:translateY(-3px)}
.pager a span{display:block;font-size:12.4px;color:var(--muted);margin-bottom:3px}
.side{display:grid;gap:22px}
.side .box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.side .box h3{font-size:16.4px;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.2}
.toc{position:relative;padding-left:6px}
.toc::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc a{position:relative;display:block;padding:8px 0 8px 26px;font-size:14.2px;color:#516481;transition:color .25s}
.toc a::before{content:"";position:absolute;left:5px;top:15px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--line);transition:border-color .25s,background .25s}
.toc a:hover{color:var(--brand)}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);border-color:var(--brand)}
.hot a{display:flex;gap:11px;padding:9px 0;font-size:14.2px;color:#3c4f6b;align-items:flex-start}
.hot a:hover{color:var(--brand)}
.hot .rk{flex:none;width:22px;height:22px;border-radius:7px;background:#e8edf5;color:#7b8aa3;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .25s}
.hot a:hover .rk{transform:scale(1.15)}
.hot .r1{background:var(--grad);color:#fff}
.hot .r2{background:linear-gradient(135deg,#fb923c,#f97316);color:#fff}
.hot .r3{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tags span{font-size:12.8px;font-weight:600;color:#4a5d79;background:#f0f4fa;border:1px solid var(--line);padding:6px 13px;border-radius:999px;cursor:pointer;transition:all .25s}
.tags span:hover{color:var(--brand);border-color:var(--brand);background:rgba(37,99,235,.07)}
.cmts{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 34px;box-shadow:var(--shadow)}
.cmts h2{font-size:21px;margin-bottom:22px}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.cmt:last-child{border-bottom:0;padding-bottom:0}
.cmt .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:none}
.cmt .top{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.cmt .top b{font-size:14.8px}
.cmt .top span{font-size:12.6px;color:var(--muted)}
.cmt p{margin:6px 0 0;font-size:14.8px;color:#3a4d68}
.err{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 80px}
.err .code{font-size:clamp(70px,14vw,130px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.err p{color:var(--muted);margin:12px 0 26px}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-grid .card ul{display:grid;gap:9px;margin-top:12px}
.map-grid .card li a{font-size:14.6px;color:#3c4f68}
.map-grid .card li a:hover{color:var(--brand)}
.doc{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:44px 48px;box-shadow:var(--shadow)}
.doc h2{font-size:21px;margin:30px 0 12px;padding-left:13px;border-left:4px solid var(--brand)}
.doc h2:first-child{margin-top:0}
.doc p,.doc li{color:#33455e;font-size:15.6px}
.doc ul{padding-left:20px;list-style:disc;margin:10px 0}
.doc ul li{margin-bottom:7px}
.notice{background:rgba(37,99,235,.07);border:1px dashed rgba(37,99,235,.35);border-radius:12px;padding:16px 20px;font-size:14.4px;color:#3a4d68;margin:20px 0}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
html.js .reveal.d1{transition-delay:.08s}
html.js .reveal.d2{transition-delay:.16s}
html.js .reveal.d3{transition-delay:.24s}
@media(max-width:992px){
.nav-burger{display:flex}
.nav-menu{position:fixed;top:70px;left:0;right:0;background:#0a1729;flex-direction:column;align-items:stretch;gap:0;padding:14px;max-height:0;overflow:hidden;transition:max-height .4s ease;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-toggle-cb:checked~.nav-menu{max-height:640px;overflow:auto}
.nav-menu>a,.nav-group>label{padding:14px 16px;border-radius:10px}
.nav-group{width:100%}
.nav-drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.05);max-height:0;overflow:hidden;padding:0 10px;transition:max-height .35s,padding .35s;display:block}
.nav-sub-cb:checked~.nav-drop{max-height:420px;padding:8px 10px}
.nav-drop a{color:#cfe0ff}
.nav-drop a:hover{background:rgba(6,182,212,.16);color:#fff}
.nav-group:hover .nav-drop{opacity:1;visibility:visible;transform:none}
.nav-cta{margin:10px 16px}
.hero{padding:120px 0 70px}
.hero-in{grid-template-columns:1fr;gap:40px}
.art-wrap{grid-template-columns:1fr;gap:30px}
.side{order:2}
.g4,.g6,.scene,.grid.g3{grid-template-columns:repeat(2,1fr)}
.stats4,.node-grid,.price,.req,.dl-grid,.news-grid,.rate,.map-grid,.foot-in{grid-template-columns:repeat(2,1fr)}
.foot-in{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.sec{padding:60px 0}
.hero{padding:110px 0 56px}
.hero-stats{gap:26px}
.hero-stats b{font-size:24px}
.demo{padding:18px}
.art{padding:28px 22px}
.doc{padding:30px 22px}
.cmts{padding:26px 20px}
.cta{padding:44px 24px}
.pager a{min-width:100%}
.related{padding:24px 20px}
.related-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.g2,.g3,.g4,.g6,.scene,.steps,.stats4,.node-grid,.price,.req,.dl-grid,.news-grid,.rate,.map-grid,.foot-in,.demo-rows{grid-template-columns:1fr}
.plan.best{transform:none}
.plan.best:hover{transform:translateY(-6px)}
.hero-btns .btn{width:100%}
.gauge{width:160px;height:160px}
.btn{padding:13px 22px}
}
.related{margin-top:38px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 32px;box-shadow:var(--shadow)}
.related h2{font-size:21px;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{display:block;border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:border-color .25s,transform .25s}
.rel-card:hover{border-color:rgba(37,99,235,.45);transform:translateY(-3px)}
.rel-card b{display:block;font-size:14.6px;color:#1f3350;margin-bottom:6px}
.rel-card span{font-size:13.4px;color:var(--muted)}