*,*::before,*::after{box-sizing:border-box}
:root{--bg:#070b18;--bg2:#0b1226;--panel:#101a33;--line:rgba(120,160,255,.16);--txt:#e8eeff;--muted:#9aa9c9;--brand:#22d3ee;--brand2:#6366f1;--brand3:#a855f7;--grad:linear-gradient(120deg,#22d3ee 0%,#6366f1 55%,#a855f7 100%);--shadow:0 18px 40px rgba(4,10,30,.55);--r:18px;--max:1180px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{line-height:1.28;margin:0 0 14px;font-weight:700;letter-spacing:.2px}
p{margin:0 0 16px}
ul{margin:0 0 16px;padding-left:20px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:8px 14px;z-index:99}
.skip:focus{left:12px;top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#060b18;box-shadow:0 12px 26px rgba(59,130,246,.34)}
.btn-primary:hover{box-shadow:0 18px 32px rgba(99,102,241,.46)}
.btn-ghost{border-color:rgba(140,180,255,.38);color:var(--txt);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(34,211,238,.1);border-color:var(--brand)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.site-header{position:fixed;inset:0 0 auto;z-index:50;background:rgba(7,11,24,.55);backdrop-filter:blur(14px);border-bottom:1px solid rgba(120,160,255,.1);transition:background .3s ease,box-shadow .3s ease}
.site-header.scrolled{background:rgba(7,11,24,.92);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;color:var(--txt);font-weight:800;font-size:19px;letter-spacing:.3px}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#04091a;display:grid;place-items:center;font-size:14px;font-weight:900;letter-spacing:-.5px}.logo img.logo-mark{background:none;border-radius:10px;object-fit:contain;flex:0 0 auto}
.logo small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:600}
.nav-menu{margin-left:auto}
.nav-menu>ul{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-menu a,.nav-menu label{display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:10px;color:#cdd8f5;font-size:15px;font-weight:600;cursor:pointer;transition:color .2s,background .2s}
.nav-menu a:hover,.nav-menu label:hover{color:#fff;background:rgba(120,175,255,.1)}
.nav-toggle,.sub-toggle{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;clip:rect(0 0 0 0)}
.has-sub{position:relative}
.caret{font-size:11px;color:var(--brand);transition:transform .25s ease}
.has-sub:hover .caret{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 10px);left:0;min-width:196px;margin:0;padding:10px;list-style:none;background:#fff;border-radius:14px;box-shadow:0 22px 46px rgba(2,8,28,.3);opacity:0;visibility:hidden;transform:translateY(10px);transition:.22s ease}
.sub::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{color:#1a2440;font-size:14px;font-weight:600;padding:9px 12px}
.sub a:hover{background:#eef4ff;color:#3b5bdb}
.nav-cta{margin-left:8px;white-space:nowrap}
.nav-burger{display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:12px;cursor:pointer;padding:11px 10px}
.nav-burger span{display:block;height:2px;background:var(--txt);border-radius:2px;transition:.25s}
.nav-burger span+span{margin-top:5px}
.nav-toggle:checked~.nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked~.nav-burger span:nth-child(2){opacity:0}
.nav-toggle:checked~.nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;padding:140px 0 90px;overflow:hidden;background:radial-gradient(900px 520px at 12% -5%,rgba(34,211,238,.17),transparent 60%),radial-gradient(760px 520px at 90% 8%,rgba(168,85,247,.2),transparent 62%),linear-gradient(160deg,#070b18,#0a1226 55%,#080d1e)}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(180deg,transparent,var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;position:relative;z-index:2}
.tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;border:1px solid rgba(34,211,238,.32);background:rgba(34,211,238,.08);color:#8be9f8;font-size:13px;font-weight:600;margin-bottom:20px}
.tag i{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(34,211,238,.18)}
.hero h1{font-size:clamp(30px,4.1vw,50px);letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-actions .btn{min-width:172px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats b{display:block;font-size:26px;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:13px;color:var(--muted)}
.demo{background:linear-gradient(165deg,rgba(20,31,60,.96),rgba(10,17,36,.98));border:1px solid rgba(120,160,255,.2);border-radius:24px;box-shadow:var(--shadow);padding:20px;position:relative}
.demo::before{content:"";position:absolute;inset:-1px;border-radius:25px;background:linear-gradient(120deg,rgba(34,211,238,.5),transparent 40%,rgba(168,85,247,.45));opacity:.35;z-index:-1}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.demo-brand{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#c7d4f3}
.demo-brand .dot{width:8px;height:8px;border-radius:50%;background:#37415c}
.demo-body{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center;background:rgba(6,11,24,.6);border:1px solid var(--line);border-radius:16px;padding:18px}
.gauge{position:relative;width:100%;max-width:172px;aspect-ratio:1;margin:0 auto;border-radius:50%;background:conic-gradient(from -90deg,#22d3ee 0 62%,#6366f1 62% 96%,rgba(120,160,255,.14) 96%);display:grid;place-items:center;transition:background .6s ease}
.gauge::before{content:"";position:absolute;inset:11px;border-radius:50%;background:#0a1225}
.gauge-in{position:relative;text-align:center}
.gauge-in b{display:block;font-size:30px;line-height:1.1;color:#fff}
.gauge-in span{font-size:11px;color:var(--muted);letter-spacing:1px}
.demo-connect{width:100%;margin-top:18px;min-height:52px;border-radius:14px;border:0;background:var(--grad);color:#05101f;font-weight:800;font-size:16px;cursor:pointer;transition:.25s}
.demo-connect .on{display:none}
.demo.connected .gauge{background:conic-gradient(from -90deg,#22d3ee 0 88%,#a855f7 88% 99%,rgba(120,160,255,.14) 99%)}
.demo.connected .demo-brand .dot{background:#3ddc97;box-shadow:0 0 0 4px rgba(61,220,151,.18)}
.demo.connected .demo-connect .off{display:none}
.demo.connected .demo-connect .on{display:inline}
.demo-metrics{display:grid;gap:10px}
.metric{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.035);border:1px solid rgba(120,160,255,.1)}
.metric b{color:#e8f6ff;font-variant-numeric:tabular-nums;font-size:14px}
.node-choices{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.node-choices input{position:absolute;opacity:0;width:1px;height:1px}
.node-choices label{padding:8px 14px;border-radius:999px;border:1px solid var(--line);font-size:12.5px;color:#b9c7e6;cursor:pointer;transition:.2s;min-height:36px;display:inline-flex;align-items:center}
.node-choices input:checked+label{background:rgba(34,211,238,.14);border-color:var(--brand);color:#a5f3fc}
.node-readout{margin-top:12px;font-size:12.5px;color:var(--muted);min-height:48px}
.node-view{display:none}
.node-view strong{color:#dbe9ff;font-weight:700}
#nd-hk:checked~.node-readout .node-hk,#nd-jp:checked~.node-readout .node-jp,#nd-sg:checked~.node-readout .node-sg,#nd-us:checked~.node-readout .node-us{display:block}
section{position:relative}
.sec{padding:84px 0}
.sec-alt{background:linear-gradient(180deg,#080d1e,#0a1226)}
.sec-head{max-width:720px;margin:0 auto 46px;text-align:center}
.sec-head .kicker{display:inline-block;font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:12px}
.sec-head p{color:var(--muted);margin:0}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(170deg,rgba(18,28,54,.9),rgba(10,17,36,.94));border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(3,9,28,.6);border-color:rgba(34,211,238,.34)}
.card .ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:22px;background:rgba(34,211,238,.11);border:1px solid rgba(34,211,238,.24);margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.band{border:1px solid rgba(120,160,255,.2);border-radius:24px;padding:34px;background:linear-gradient(120deg,rgba(34,211,238,.1),rgba(99,102,241,.12) 60%,rgba(168,85,247,.12))}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stats b{display:block;font-size:clamp(24px,3vw,34px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15}
.stats span{font-size:13px;color:var(--muted)}
.nodes-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.node-list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:rgba(10,17,36,.7)}
.node-list li{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:14px 18px;font-size:14.5px;border-bottom:1px solid rgba(120,160,255,.09)}
.node-list li:last-child{border-bottom:0}
.node-list .n{display:flex;align-items:center;gap:10px;color:#dbe6ff;font-weight:600}
.node-list .n em{font-style:normal;font-size:16px}
.node-list .lat{font-variant-numeric:tabular-nums;color:#7ff0c4;font-weight:700;font-size:13.5px}
.node-list .lat.warn{color:#ffd479}
.speed-card{border:1px solid rgba(120,160,255,.2);border-radius:var(--r);padding:24px;background:linear-gradient(165deg,rgba(18,30,58,.9),rgba(9,15,32,.95))}
.speed-card h3{font-size:17px;margin-bottom:4px}
.speed-card .sub-t{color:var(--muted);font-size:13px;margin-bottom:20px}
.bar-row{margin-bottom:16px;font-size:13px;color:var(--muted)}
.bar-row .lab{display:flex;justify-content:space-between;margin-bottom:6px}
.bar-row .lab b{color:#e6f2ff;font-variant-numeric:tabular-nums}
.bar{height:9px;border-radius:99px;background:rgba(120,160,255,.13);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:st}
.step{position:relative;padding:28px 24px 24px;border-radius:var(--r);border:1px solid var(--line);background:rgba(14,22,43,.8)}
.step::before{counter-increment:st;content:"0" counter(st);position:absolute;top:16px;right:20px;font-size:36px;font-weight:900;color:rgba(120,160,255,.14);line-height:1}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px;margin:0}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{border:1px solid var(--line);border-radius:20px;padding:28px 24px;background:rgba(13,21,42,.86);display:flex;flex-direction:column;position:relative}
.plan.best{border-color:rgba(34,211,238,.55);background:linear-gradient(170deg,rgba(24,42,78,.95),rgba(12,20,42,.98));box-shadow:0 24px 52px rgba(34,211,238,.16);transform:translateY(-6px)}
.plan .flag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04101f;font-size:12px;font-weight:800;padding:5px 14px;border-radius:99px;white-space:nowrap}
.plan h3{font-size:18px;margin-bottom:4px}
.plan .desc{color:var(--muted);font-size:13px;margin-bottom:16px}
.price{font-size:36px;font-weight:800;line-height:1;margin-bottom:4px}
.price small{font-size:14px;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:10px;font-size:14px;color:#c6d3ee}
.plan ul li::before{content:"✓";color:var(--brand);margin-right:8px;font-weight:800}
.plan .btn{width:100%;margin-top:auto}
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(12,20,40,.82);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 20px;font-weight:700;font-size:15.5px;position:relative;min-height:56px;display:flex;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--brand);font-size:22px;font-weight:600;transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .ans{padding:0 20px 20px;color:var(--muted);font-size:14.5px}
.faq .ans ol{margin:8px 0 0;padding-left:20px}
.faq .ans li{margin-bottom:6px}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:rgba(13,21,42,.8)}
.stars{color:#ffc857;letter-spacing:2px;margin-bottom:12px;font-size:14px}
.review p{font-size:14.5px;color:#cfdaf2}
.who{display:flex;align-items:center;gap:10px;margin-top:16px}
.who u{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#04101f;display:grid;place-items:center;font-weight:800;text-decoration:none;font-size:15px}
.who b{display:block;font-size:14px;line-height:1.3}
.who span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:rgba(12,20,40,.82);transition:transform .28s,box-shadow .28s,border-color .28s}
.news-card:hover{transform:translateY(-6px);box-shadow:0 24px 46px rgba(3,9,28,.6);border-color:rgba(34,211,238,.32)}
.news-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.news-card .nc{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-card .meta{font-size:12px;color:var(--muted);display:flex;gap:12px;margin-bottom:8px}
.news-card h3{font-size:17px;margin-bottom:8px}
.news-card h3 a{color:#eaf2ff}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
.news-card .more{margin-top:auto;font-size:13.5px;font-weight:700}
.cta{padding:70px 0;background:radial-gradient(700px 300px at 50% 0,rgba(99,102,241,.24),transparent 70%),linear-gradient(180deg,#080d1e,#0b1226)}
.cta-in{text-align:center;border:1px solid rgba(120,160,255,.22);border-radius:26px;padding:48px 28px;background:linear-gradient(130deg,rgba(34,211,238,.09),rgba(99,102,241,.14),rgba(168,85,247,.12))}
.cta-in h2{font-size:clamp(23px,3vw,34px);margin-bottom:12px}
.cta-in p{color:var(--muted);max-width:620px;margin:0 auto 26px}
.cta-in .hero-actions{justify-content:center;margin:0}
.site-footer{background:#050917;border-top:1px solid rgba(120,160,255,.1);padding:56px 0 26px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.f-brand p{color:var(--muted);font-size:14px;max-width:300px;margin-top:12px}
.f-col h4{font-size:14px;letter-spacing:1px;color:#dce7ff;margin-bottom:14px}
.f-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.f-col a{color:var(--muted);font-size:14px}
.f-col a:hover{color:var(--brand)}
.f-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;margin-top:38px;padding-top:20px;border-top:1px solid rgba(120,160,255,.1);color:#7f8fb3;font-size:13px}
.f-bottom a{color:#9fb0d6}
.f-links{display:flex;flex-wrap:wrap;gap:18px}
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:14px;background:rgba(16,26,51,.92);border:1px solid rgba(120,160,255,.24);color:var(--brand);display:grid;place-items:center;font-size:18px;z-index:40;box-shadow:var(--shadow)}
.to-top:hover{background:rgba(34,211,238,.16)}
.page-hero{padding:132px 0 56px;background:radial-gradient(760px 340px at 20% 0,rgba(34,211,238,.16),transparent 65%),radial-gradient(620px 320px at 88% 10%,rgba(168,85,247,.16),transparent 62%),#080d1e}
.page-hero h1{font-size:clamp(27px,3.6vw,40px);margin-bottom:12px}
.page-hero p{color:var(--muted);max-width:760px;margin:0}
.crumbs{font-size:13px;color:#8ea0c4;margin-bottom:14px}
.crumbs a{color:#9fb0d6}
.crumbs a:hover{color:var(--brand)}
.crumbs span{margin:0 6px;color:#5d6d92}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding:48px 0 84px}
.article{min-width:0}
.article-head h1{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted);margin-bottom:22px}
.article-meta b{color:#cfdcf8;font-weight:600}
.article-cover{border-radius:20px;overflow:hidden;border:1px solid var(--line);margin-bottom:28px}
.article-cover img{width:100%;height:auto}
.lead-p{font-size:16.5px;color:#d7e2f8}
.article h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:96px}
.article h3{font-size:17px;margin:24px 0 10px;color:#dbe7ff}
.article p{color:#c2cfe8;font-size:15.5px;line-height:1.9}
.article figure{margin:26px 0}
.article figure img{border-radius:16px;width:100%;height:auto}
.article figcaption{font-size:12.5px;color:#7f90b5;margin-top:8px;text-align:center}
.quote{border-left:3px solid var(--brand2);background:rgba(99,102,241,.09);border-radius:0 14px 14px 0;padding:16px 20px;margin:22px 0;color:#dbe6ff;font-size:15px}
.quote b{color:#fff}
.data-box{border:1px solid rgba(34,211,238,.28);border-radius:16px;background:rgba(34,211,238,.06);padding:20px 22px;margin:24px 0}
.data-box h3{margin:0 0 12px;font-size:16px}
.data-box table{width:100%;border-collapse:collapse;font-size:14px}
.data-box th,.data-box td{text-align:left;padding:9px 8px;border-bottom:1px solid rgba(120,160,255,.14)}
.data-box th{color:#9fb3d8;font-weight:600}
.data-box td{color:#e6f0ff;font-variant-numeric:tabular-nums}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}
.tag-pill{display:inline-flex;align-items:center;min-height:36px;padding:6px 14px;border-radius:99px;border:1px solid var(--line);font-size:12.5px;color:#a9bade;background:rgba(255,255,255,.02)}
.tag-pill:hover{border-color:var(--brand);color:#b9f2ff}
.share-row{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0}
.comments{margin-top:40px;border-top:1px solid var(--line);padding-top:28px}
.comments h2{font-size:20px;border:0;padding:0;margin:0 0 18px}
.cmt{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(120,160,255,.09)}
.cmt u{width:40px;height:40px;flex:none;border-radius:50%;background:linear-gradient(135deg,#22d3ee,#6366f1);color:#04101f;display:grid;place-items:center;font-weight:800;text-decoration:none}
.cmt b{font-size:14px;color:#eaf2ff;font-weight:700}
.cmt time{font-size:12px;color:#7f90b5;margin-left:8px}
.cmt p{margin:4px 0 0;font-size:14px;color:#b8c7e4;line-height:1.75}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
.pager a{border:1px solid var(--line);border-radius:14px;padding:14px 18px;background:rgba(12,20,40,.8);color:#c9d7f2;font-size:13.5px}
.pager a:hover{border-color:var(--brand);color:#fff}
.pager span{display:block;font-size:11.5px;color:#7f90b5;margin-bottom:4px}
.pager .next{text-align:right}
.related{margin-top:34px}
.related h2{font-size:18px;border:0;padding:0;margin-bottom:14px}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.related a{display:flex;gap:10px;align-items:flex-start;color:#c3d2ef;font-size:14px;padding:12px 14px;border:1px solid var(--line);border-radius:12px}
.related a:hover{border-color:var(--brand);color:#fff}
.sidebar{position:sticky;top:92px;display:grid;gap:18px}
.side-card{background:#fff;border-radius:16px;box-shadow:0 16px 34px rgba(2,8,26,.32);padding:20px;color:#1b2740}
.side-card h3{margin:0 0 14px;font-size:15px;color:#111a2e;padding-left:11px;border-left:3px solid #6366f1}
.toc{list-style:none;margin:0;padding:0 0 0 14px;border-left:1px solid #e2e8f5;display:grid;gap:12px}
.toc li{position:relative;font-size:13.5px}
.toc li::before{content:"";position:absolute;left:-19px;top:8px;width:9px;height:9px;border-radius:50%;background:#dbe3f3;border:2px solid #fff;box-shadow:0 0 0 1px #dbe3f3}
.toc li.active::before{background:#6366f1;box-shadow:0 0 0 1px #6366f1}
.toc a{color:#4b5a77;display:block;line-height:1.5}
.toc li.active a{color:#3b4fd8;font-weight:700}
.hot{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.hot li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px}
.hot .rk{flex:none;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-size:11px;font-weight:800;color:#fff;background:#aab4c9;transition:transform .2s}
.hot li:nth-child(1) .rk{background:linear-gradient(135deg,#6366f1,#22d3ee)}
.hot li:nth-child(2) .rk{background:linear-gradient(135deg,#f97316,#fbbf24)}
.hot li:nth-child(3) .rk{background:linear-gradient(135deg,#d4a017,#f7e08a)}
.hot a{color:#33415c;line-height:1.5}
.hot li:hover .rk{transform:scale(1.12)}
.hot li:hover a{color:#3b4fd8}
.tags-side{display:flex;flex-wrap:wrap;gap:8px}
.tags-side a{font-size:12px;padding:6px 12px;border-radius:99px;border:1px solid #dde5f4;color:#4b5a77;background:#f7f9ff}
.tags-side a:hover{border-color:#6366f1;color:#3b4fd8;background:#eef2ff}
.news-list{display:grid;gap:22px}
.news-row{display:grid;grid-template-columns:300px 1fr;gap:24px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(12,20,40,.8);transition:border-color .25s,transform .25s}
.news-row:hover{border-color:rgba(34,211,238,.34);transform:translateY(-3px)}
.news-row img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.news-row .nc{padding:22px 24px 22px 0;display:flex;flex-direction:column;justify-content:center}
.news-row h2{font-size:19px;margin:6px 0 8px}
.news-row h2 a{color:#eaf2ff}
.news-row h2 a:hover{color:var(--brand)}
.news-row p{color:var(--muted);font-size:14px;margin:0 0 12px}
.news-row .meta{font-size:12.5px;color:#8ea0c4}
table.req{width:100%;border-collapse:collapse;font-size:14.5px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
table.req th,table.req td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(120,160,255,.1)}
table.req th{background:rgba(34,211,238,.07);color:#cfe0ff;width:180px;font-weight:700}
table.req td{color:#bfcee9}
table.req tr:last-child th,table.req tr:last-child td{border-bottom:0}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver{border:1px solid var(--line);border-radius:20px;padding:26px;background:rgba(13,21,42,.86);display:flex;flex-direction:column}
.ver h3{font-size:18px;margin-bottom:6px}
.ver .vmeta{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.ver ul{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:9px;font-size:14px;color:#c6d3ee}
.ver ul li::before{content:"✓";color:var(--brand);margin-right:8px;font-weight:800}
.ver .btn{margin-top:auto;width:100%}
.legal{max-width:860px;margin:0 auto}
.legal h2{font-size:21px;margin:32px 0 12px;padding-left:12px;border-left:4px solid var(--brand)}
.legal p,.legal li{color:#bfcee9;font-size:15px}
.legal .updated{font-size:13px;color:var(--muted);margin-bottom:24px}
.map-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.map-grid .card ul{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px;font-size:14px}
.map-grid .card ul a{color:#b9c9e8}
.map-grid .card ul a:hover{color:var(--brand)}
.notice{border:1px solid rgba(255,196,87,.32);border-radius:14px;background:rgba(255,196,87,.08);padding:14px 18px;color:#ffe0a3;font-size:14px}
html.js .js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
html.js .js .reveal.in{opacity:1;transform:none}
@media (max-width:992px){
.nav-menu{position:fixed;top:70px;left:0;right:0;margin:0;background:#0a1124;border-bottom:1px solid var(--line);padding:10px 18px 18px;display:none;max-height:calc(100vh - 70px);overflow:auto}
.nav-toggle:checked~.nav-menu{display:block}
.nav-menu>ul{flex-direction:column;align-items:stretch;gap:2px}
.nav-menu a,.nav-menu label{padding:14px 12px;font-size:15.5px;border-radius:10px}
.nav-burger{display:block}
.nav-cta{display:none}
.has-sub:hover .caret{transform:none}
.sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;background:rgba(255,255,255,.04);padding:0 0 0 12px;min-width:0;border-radius:0}
.sub a{color:#b9c9e8;font-size:14px}
.sub a:hover{background:rgba(34,211,238,.1);color:#fff}
.sub-toggle:checked~.sub{display:block}
.has-sub:hover .sub{opacity:1;visibility:visible}
.hero{padding:112px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:36px}
.hero .lead{margin-left:auto;margin-right:auto}
.demo{max-width:560px;margin:0 auto}
.g3,.g4,.plans,.reviews,.news-grid,.steps,.ver-grid{grid-template-columns:repeat(2,1fr)}
.stats{grid-template-columns:repeat(2,1fr);gap:24px}
.nodes-wrap{grid-template-columns:1fr}
.article-shell{grid-template-columns:1fr;gap:30px;padding:36px 0 64px}
.sidebar{position:static;top:auto}
.f-grid{grid-template-columns:1fr 1fr;gap:26px}
.news-row{grid-template-columns:230px 1fr}
.sec{padding:62px 0}
.plan.best{transform:none}
}
@media (max-width:768px){
.g3,.g4,.plans,.reviews,.news-grid,.steps,.ver-grid,.map-grid{grid-template-columns:1fr}
.hero-actions .btn{flex:1 1 100%}
.hero-stats{gap:22px}
.hero-stats b{font-size:22px}
.demo-body{grid-template-columns:1fr}
.gauge{max-width:150px}
.band{padding:24px 18px}
.news-row{grid-template-columns:1fr}
.news-row img{aspect-ratio:16/9}
.news-row .nc{padding:18px 20px 22px}
.pager{grid-template-columns:1fr}
.f-grid{grid-template-columns:1fr 1fr}
.article h2{font-size:20px}
.cta-in{padding:34px 18px}
.sec-head{margin-bottom:32px}
.f-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
.wrap{padding:0 16px}
.hero{padding:100px 0 52px}
.hero h1{font-size:27px}
.hero .lead{font-size:15.5px}
.card,.plan,.step,.review{padding:20px}
.stats{grid-template-columns:1fr 1fr;gap:18px}
.demo{padding:14px}
.demo-body{padding:14px}
.f-grid{grid-template-columns:1fr}
.nav-inner{min-height:64px}
.nav-menu{top:64px}
.article p{font-size:15px}
.comments h2{font-size:18px}
.to-top{right:14px;bottom:16px;width:42px;height:42px}
}