:root{--bg:#070d1f;--bg2:#0b1430;--card:rgba(255,255,255,.045);--card2:rgba(255,255,255,.07);--line:rgba(255,255,255,.1);--txt:#e9effc;--muted:#96a6c8;--brand:#3d7bff;--brand2:#1fd3c6;--grad:linear-gradient(120deg,#3d7bff,#1fd3c6);--shadow:0 18px 45px rgba(3,10,30,.45);--radius:18px;--nav-h:72px}
body.light{--bg:#f5f7fc;--bg2:#eef2fa;--card:#fff;--card2:#fff;--line:#e2e8f4;--txt:#14203a;--muted:#5b6b87;--shadow:0 14px 40px rgba(23,42,84,.1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:min(1180px,92%);margin:0 auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.brandmark{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px;font-size:20px}
.brandmark img{width:34px;height:34px;border-radius:10px;object-fit:contain;flex:none;box-shadow:0 6px 18px rgba(61,123,255,.35)}
.brandmark small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s;background:var(--grad);color:#031227;box-shadow:0 10px 26px rgba(61,123,255,.32)}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(31,211,198,.3)}
.btn.ghost{background:transparent;color:var(--txt);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--brand2);color:var(--brand2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:13px;color:var(--brand2);font-weight:600;letter-spacing:.3px}
section{padding:88px 0;position:relative}
.sec-head{max-width:760px;margin:0 auto 46px;text-align:center}
.sec-head h2{font-size:clamp(24px,3.4vw,38px);line-height:1.28;margin:14px 0 12px;letter-spacing:-.4px}
.sec-head p{color:var(--muted);font-size:15.5px}
.nav{position:fixed;inset:0 0 auto;z-index:90;height:var(--nav-h);display:flex;align-items:center;background:rgba(7,13,31,.55);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background .3s,border-color .3s,box-shadow .3s}
.nav.scrolled{background:rgba(6,11,27,.92);border-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.28)}
body.light .nav{background:rgba(245,247,252,.75)}
body.light .nav.scrolled{background:rgba(255,255,255,.95);box-shadow:0 10px 30px rgba(23,42,84,.08)}
.nav-inner{width:min(1240px,94%);margin:0 auto;display:flex;align-items:center;gap:26px}
.menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.menu a.mlink,.dd>summary{display:flex;align-items:center;gap:6px;padding:9px 13px;border-radius:10px;font-size:15px;font-weight:600;color:var(--txt);cursor:pointer;list-style:none;transition:background .2s,color .2s;white-space:nowrap}
.menu a.mlink:hover,.dd>summary:hover{background:var(--card);color:var(--brand2)}
.dd{position:relative}
.dd>summary::-webkit-details-marker{display:none}
.dd>summary::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s}
.dd[open]>summary::after{transform:rotate(225deg) translateY(-2px)}
.dd-panel{position:absolute;top:calc(100% + 10px);left:0;min-width:232px;background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}
body.light .dd-panel{background:#fff}
.dd-panel a{display:block;padding:10px 12px;border-radius:9px;font-size:14.5px;color:var(--txt)}
.dd-panel a:hover{background:rgba(61,123,255,.12);color:var(--brand)}
.nav-cta{margin-left:10px;padding:10px 20px;min-height:42px;font-size:14px}
.burger{display:none;margin-left:auto;font-size:22px;line-height:1;padding:10px 14px;border:1px solid var(--line);border-radius:12px;cursor:pointer;user-select:none}
#navToggle{position:absolute;opacity:0;pointer-events:none}
.hero{padding:calc(var(--nav-h) + 66px) 0 70px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(90px);z-index:-1}
.hero::before{width:520px;height:520px;background:rgba(61,123,255,.28);top:-140px;right:-80px}
.hero::after{width:420px;height:420px;background:rgba(31,211,198,.18);bottom:-120px;left:-140px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.16;letter-spacing:-1px;margin:18px 0 18px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:16.5px;max-width:540px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-stats div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.hero-stats b{display:block;font-size:23px;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:12.5px;color:var(--muted)}
.demo{position:relative;max-width:470px;width:100%;margin-left:auto}
.demo>input{position:absolute;opacity:0;pointer-events:none}
.demo-card{background:linear-gradient(165deg,rgba(19,32,67,.96),rgba(8,15,35,.98));border:1px solid rgba(120,160,255,.24);border-radius:22px;padding:20px;box-shadow:0 26px 60px rgba(2,8,26,.6);color:#e9effc}
.demo-top{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#9db0d6;margin-bottom:16px}
.demo-top b{font-size:14px;color:#e9effc;letter-spacing:.3px}
.dot{width:9px;height:9px;border-radius:50%;background:#7d8aa8;display:inline-block;margin-right:7px;transition:background .3s,box-shadow .3s}
.demo-state{font-size:12.5px;color:#9db0d6;display:flex;align-items:center}
.node-chips{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.node-chips label{display:block;padding:8px 6px;border-radius:11px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);text-align:center;font-size:12px;color:#a9bbdd;cursor:pointer;transition:.22s;min-height:56px}
.node-chips label b{display:block;font-size:12.5px;color:#e9effc;font-weight:600}
.gauge{position:relative;height:150px;margin:4px 0 6px;display:grid;place-items:center}
.gauge svg{width:100%;height:100%}
.needle{transform-origin:100px 96px;transition:transform .9s cubic-bezier(.22,1.2,.36,1);transform:rotate(-72deg)}
.gauge-val{position:absolute;bottom:6px;text-align:center}
.gauge-val b{display:block;font-size:26px;letter-spacing:-.5px}
.gauge-val span{font-size:11.5px;color:#9db0d6}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0 14px}
.stats-row div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:11px;padding:8px 10px}
.stats-row span{font-size:11px;color:#9db0d6;display:block}
.stats-row b{font-size:15px}
.conn-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:48px;border-radius:13px;background:linear-gradient(120deg,#3d7bff,#1fd3c6);color:#04122b;font-weight:800;font-size:15px;cursor:pointer;transition:.25s;user-select:none}
.conn-btn .when-on{display:none}
.demo .on{display:none}
.demo .off{display:inline}
.demo-foot{display:flex;justify-content:space-between;font-size:11.5px;color:#8ea4cc;margin-top:12px}
#conn:checked~.demo-card .needle{transform:rotate(38deg)}
#conn:checked~.demo-card .dot{background:#2ee6a8;box-shadow:0 0 0 4px rgba(46,230,168,.18)}
#conn:checked~.demo-card .when-off{display:none}
#conn:checked~.demo-card .when-on{display:inline}
#conn:checked~.demo-card .off{display:none}
#conn:checked~.demo-card .on{display:inline}
#conn:checked~.demo-card .conn-btn{background:rgba(255,255,255,.08);color:#e9effc;border:1px solid rgba(255,255,255,.18)}
#n1:checked~.demo-card .chip-1,#n2:checked~.demo-card .chip-2,#n3:checked~.demo-card .chip-3{background:rgba(61,123,255,.22);border-color:rgba(96,154,255,.7);color:#cfe0ff}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .28s,box-shadow .28s,border-color .28s}
.fcard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(61,123,255,.4)}
.fcard .ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:22px;background:rgba(61,123,255,.14);border:1px solid rgba(61,123,255,.25);margin-bottom:16px}
.fcard h3{font-size:18px;margin-bottom:8px}
.fcard p{color:var(--muted);font-size:14.5px}
.band{background:linear-gradient(180deg,rgba(61,123,255,.09),transparent)}
.node-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.node-list{display:grid;gap:10px}
.node-row{display:grid;grid-template-columns:96px 1fr 74px;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:14px}
.node-row i{font-style:normal;color:var(--muted);font-size:12.5px}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden}
body.light .bar{background:#e6ecf7}
.bar b{display:block;height:100%;border-radius:99px;background:var(--grad)}
.node-row strong{text-align:right;color:var(--brand2);font-size:13.5px}
.node-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.node-panel h3{font-size:18px;margin-bottom:6px}
.node-panel p{color:var(--muted);font-size:14px;margin-bottom:18px}
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.kv div{background:rgba(61,123,255,.1);border:1px solid rgba(61,123,255,.18);border-radius:12px;padding:12px 14px}
.kv b{display:block;font-size:21px}
.kv span{font-size:12px;color:var(--muted)}
.node-panel .note{margin-top:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04);font-size:13px;color:var(--muted)}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sc{position:relative;border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--card);overflow:hidden;transition:.28s}
.sc:hover{transform:translateY(-5px);border-color:rgba(31,211,198,.4);box-shadow:var(--shadow)}
.sc em{font-style:normal;font-size:24px;display:block;margin-bottom:10px}
.sc h3{font-size:17px;margin-bottom:6px}
.sc p{color:var(--muted);font-size:14px}
.sc .tag{display:inline-block;margin-top:12px;font-size:12px;color:var(--brand2);border:1px dashed rgba(31,211,198,.4);border-radius:99px;padding:3px 10px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 24px;position:relative}
.step b{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--grad);color:#04122b;font-size:17px;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;transition:.28s}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.plan.featured{border-color:rgba(61,123,255,.65);background:linear-gradient(170deg,rgba(61,123,255,.16),rgba(31,211,198,.06));box-shadow:0 20px 50px rgba(61,123,255,.18);position:relative}
.plan .flag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04122b;font-size:12px;font-weight:800;padding:5px 14px;border-radius:99px;white-space:nowrap}
.plan h3{font-size:17px;color:var(--brand2);margin-bottom:8px}
.plan .price{font-size:34px;font-weight:800;letter-spacing:-1px}
.plan .price small{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:0}
.plan ul{margin:18px 0 22px;display:grid;gap:10px;font-size:14px;color:var(--muted)}
.plan ul li::before{content:"✓";color:var(--brand2);font-weight:800;margin-right:8px}
.plan .btn{width:100%;margin-top:auto}
.faq{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 20px;transition:border-color .25s}
.faq details[open]{border-color:rgba(61,123,255,.45)}
.faq summary{display:flex;justify-content:space-between;gap:14px;cursor:pointer;font-weight:600;font-size:15.5px;padding:15px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand2);font-size:20px;line-height:1;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 16px;color:var(--muted);font-size:14.5px;border-top:1px solid var(--line);padding-top:14px}
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tst{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.tst .stars{color:#ffc247;letter-spacing:2px;font-size:14px;margin-bottom:12px}
.tst p{font-size:14.5px;color:var(--txt)}
.tst .who{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.tst .av{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#04122b;display:grid;place-items:center;font-weight:800}
.tst .who b{font-size:14px;display:block}
.tst .who span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(61,123,255,.4)}
.ncard img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.ncard .body{padding:20px;display:flex;flex-direction:column;gap:9px;flex:1}
.ncard .meta{font-size:12.5px;color:var(--brand2);display:flex;gap:10px}
.ncard h3{font-size:16.5px;line-height:1.5}
.ncard p{color:var(--muted);font-size:13.5px;flex:1}
.ncard .more{font-size:13px;font-weight:700;color:var(--brand)}
.cta{margin:0 auto;width:min(1180px,92%);border-radius:26px;padding:52px 40px;background:linear-gradient(120deg,rgba(61,123,255,.22),rgba(31,211,198,.15));border:1px solid rgba(120,170,255,.3);text-align:center}
.cta h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:10px}
.cta p{color:var(--muted);margin-bottom:24px}
footer{border-top:1px solid var(--line);margin-top:80px;padding:56px 0 26px;background:linear-gradient(180deg,transparent,rgba(61,123,255,.06))}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.f-grid h4{font-size:14px;margin-bottom:14px;letter-spacing:.4px}
.f-grid a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color .2s}
.f-grid a:hover{color:var(--brand2)}
.f-grid p{color:var(--muted);font-size:13.5px;margin-top:12px;max-width:290px}
.f-bot{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.f-bot .links{display:flex;gap:18px}
.top{position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:var(--card2);color:var(--txt);display:grid;place-items:center;cursor:pointer;z-index:80;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
html.js .reveal{opacity:0;transform:translateY(22px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.page-hero{padding:calc(var(--nav-h) + 62px) 0 8px}
.page-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.8px}
.page-hero p{color:var(--muted);margin-top:14px;max-width:720px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand2)}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;padding:22px 0 40px}
.article{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px}
.article h1{font-size:clamp(24px,3.2vw,34px);line-height:1.32;letter-spacing:-.5px;margin-bottom:14px}
.article .ameta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:22px}
.article .ameta b{color:var(--brand2);font-weight:600}
.article p{font-size:15.5px;color:var(--txt);margin:0 0 18px;line-height:1.9}
.article h2{font-size:22px;margin:32px 0 14px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.4}
.article h3{font-size:17px;margin:22px 0 10px}
.article figure{margin:24px 0}
.article figure img{width:100%;border-radius:14px}
.article figcaption{font-size:12.5px;color:var(--muted);margin-top:8px;text-align:center}
.article blockquote{margin:22px 0;padding:16px 20px;background:rgba(61,123,255,.1);border-left:4px solid var(--brand2);border-radius:0 12px 12px 0;font-size:15px}
.article ul{margin:0 0 18px 20px;list-style:disc;color:var(--txt);font-size:15px;line-height:1.9}
.article .note{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-size:14.5px;color:var(--muted);margin:22px 0}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
.pager a{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:14px;transition:.25s}
.pager a:hover{border-color:var(--brand2)}
.pager span{display:block;font-size:12px;color:var(--muted);margin-bottom:3px}
.pager .next{text-align:right}
.rel{margin-top:34px}
.rel h2{font-size:18px;margin-bottom:16px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-grid a{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:14px;font-size:14px;transition:.25s}
.rel-grid a:hover{border-color:rgba(61,123,255,.5);color:var(--brand)}
.rel-grid span{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}
.side{position:sticky;top:calc(var(--nav-h) + 16px);display:grid;gap:16px}
.side-card{background:var(--card2);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.side-card h3{font-size:15px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--brand);line-height:1.3}
.toc{position:relative;padding-left:16px;border-left:1px solid var(--line);display:grid;gap:10px}
.toc a{position:relative;display:block;font-size:13.5px;color:var(--muted);line-height:1.6}
.toc a::before{content:"";position:absolute;left:-21px;top:9px;width:8px;height:8px;border-radius:50%;background:var(--line);border:2px solid var(--card2)}
.toc a.active{color:var(--brand2);font-weight:700}
.toc a.active::before{background:var(--brand2)}
.hot{display:grid;gap:11px;counter-reset:h}
.hot a{display:grid;grid-template-columns:22px 1fr;gap:9px;font-size:13.5px;color:var(--txt);line-height:1.55}
.hot i{width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;background:rgba(255,255,255,.1);color:var(--muted)}
.hot a:nth-child(1) i{background:linear-gradient(135deg,#3d7bff,#6ea8ff);color:#04122b}
.hot a:nth-child(2) i{background:linear-gradient(135deg,#ff9d3c,#ffc247);color:#2a1500}
.hot a:nth-child(3) i{background:linear-gradient(135deg,#d9b451,#f4e0a1);color:#2a2000}
.hot a:hover{color:var(--brand2)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;padding:6px 11px;border-radius:99px;border:1px solid var(--line);color:var(--muted);transition:.22s}
.tags a:hover{border-color:var(--brand2);color:var(--brand2);background:rgba(31,211,198,.08)}
.comments{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.comments h2{font-size:18px;margin-bottom:18px}
.cmt{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cmt .av{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#04122b;background:var(--grad)}
.cmt b{font-size:14.5px}
.cmt time{font-size:12px;color:var(--muted);margin-left:10px}
.cmt p{font-size:14px;color:var(--muted);margin:6px 0 0}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:8px}
.dl-card b{font-size:16px}
.dl-card span{font-size:13px;color:var(--muted)}
.dl-card .btn{margin-top:12px;width:100%}
.dl-card .badge{align-self:flex-start;font-size:11.5px;color:var(--brand2);border:1px solid rgba(31,211,198,.4);border-radius:99px;padding:2px 9px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.req{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.req b{display:block;font-size:13px;color:var(--brand2);margin-bottom:4px}
.req span{font-size:14px;color:var(--muted)}
.four{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.map-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.map-group{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.map-group h2{font-size:17px;margin-bottom:12px}
.map-group a{display:block;font-size:14px;color:var(--muted);padding:6px 0;border-bottom:1px dashed var(--line)}
.map-group a:last-child{border:0}
.map-group a:hover{color:var(--brand2)}
.legal{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px;max-width:900px;margin:22px auto 0}
.legal h2{font-size:20px;margin:26px 0 10px;padding-left:12px;border-left:4px solid var(--brand)}
.legal h2:first-of-type{margin-top:0}
.legal p,.legal li{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:10px}
.legal ul{margin-left:20px;list-style:disc}
.nf{min-height:100vh;display:grid;place-items:center;text-align:center;padding:calc(var(--nav-h) + 40px) 0 60px}
.nf .code{font-size:clamp(72px,16vw,150px);font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-6px}
.nf p{color:var(--muted);margin:14px 0 26px}
@media(max-width:992px){
.hero-grid,.node-grid,.article-wrap{grid-template-columns:1fr}
.demo{margin:10px auto 0}
.menu{position:fixed;top:var(--nav-h);left:0;right:0;background:rgba(7,13,31,.98);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:2px;padding:14px 5% 22px;max-height:0;overflow:hidden;transition:max-height .35s ease;margin-left:0}
body.light .menu{background:#fff}
#navToggle:checked~.menu{max-height:78vh;overflow:auto}
.nav-cta{display:none}
.burger{display:block;order:2}
.menu a.mlink,.dd>summary{padding:13px 4px;border-bottom:1px solid var(--line);border-radius:0}
.dd-panel{position:static;border:0;box-shadow:none;padding:2px 0 8px 14px;background:transparent}
.dd-panel a{border-bottom:1px dashed var(--line);border-radius:0;padding:11px 4px}
body.light .dd-panel{background:transparent}
.side{position:static;order:2}
.feature-grid,.sc-grid,.steps,.price-grid,.tst-grid,.news-grid,.dl-grid,.req-grid,.four,.map-list,.rel-grid{grid-template-columns:repeat(2,1fr)}
.f-grid{grid-template-columns:1fr 1fr}
section{padding:66px 0}
}
@media(max-width:768px){
.hero{padding-top:calc(var(--nav-h) + 40px)}
.hero-stats{grid-template-columns:1fr 1fr}
.article{padding:22px}
.article p{font-size:15px}
.pager{grid-template-columns:1fr}
.f-bot{flex-direction:column}
}
@media(max-width:480px){
.feature-grid,.sc-grid,.steps,.price-grid,.tst-grid,.news-grid,.dl-grid,.req-grid,.four,.map-list,.rel-grid,.f-grid,.hero-stats,.stats-row,.node-chips{grid-template-columns:1fr}
.node-chips{grid-template-columns:repeat(3,1fr)}
.node-row{grid-template-columns:72px 1fr;grid-template-areas:"a b" "c c";row-gap:8px}
.node-row strong{text-align:left;grid-area:c}
.hero h1{font-size:29px}
.btn{min-height:50px}
.top{right:14px;bottom:16px}
.cta{padding:36px 20px}
.article h1{font-size:23px}
}