:root{--brand:#5b47f5;--brand2:#00c6ff;--brand3:#7a5cff;--ink:#0f1226;--muted:#5b6479;--bg:#f5f6fc;--line:#e6e9f4;--card:#fff;--dark:#0a0f24;--ok:#12b981;--warn:#f59e0b;--grad:linear-gradient(135deg,#5b47f5 0%,#00c6ff 100%);--shadow:0 12px 30px rgba(28,35,80,.08);--shadow2:0 24px 60px rgba(28,35,80,.16);--r:18px;--nav:70px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,label,summary{outline-offset:3px}
.wrap{width:min(1180px,92vw);margin:0 auto}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:999}
.skip:focus{left:12px;top:12px}
.nav{position:fixed;inset:0 0 auto;height:var(--nav);z-index:100;background:rgba(10,15,36,.55);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s,box-shadow .3s}
.nav.solid{background:rgba(10,15,36,.94);box-shadow:0 6px 24px rgba(0,0,0,.22)}
.nav-in{display:flex;align-items:center;gap:26px;height:100%;width:min(1180px,92vw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;letter-spacing:.5px}
.brand img{width:32px;height:32px;border-radius:9px;background:#fff;padding:3px}
.brand span small{display:block;font-size:10px;font-weight:500;color:#9fb0ff;letter-spacing:2px;line-height:1}
.menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.menu>li{position:relative}
.menu>li>a,.menu>li>label{display:flex;align-items:center;gap:6px;color:#dfe4ff;font-size:15px;padding:10px 14px;border-radius:10px;cursor:pointer;transition:.2s}
.menu>li>a:hover,.menu>li>label:hover,.menu>li>a.on{color:#fff;background:rgba(255,255,255,.1)}
.caret{font-size:10px;transition:transform .3s;display:inline-block}
.has-sub:hover .caret{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 10px);left:0;min-width:196px;background:#fff;border-radius:14px;box-shadow:var(--shadow2);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}
.has-sub:hover>.sub,.has-sub:focus-within>.sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:9px 14px;border-radius:9px;color:#31384f;font-size:14px}
.sub a:hover{background:#f1f2fd;color:var(--brand)}
.tgl{position:absolute;opacity:0;width:1px;height:1px}
.nav-cta{margin-left:8px}
.nav-cta a{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;font-weight:600;padding:11px 22px;border-radius:999px;font-size:14px;box-shadow:0 8px 22px rgba(91,71,245,.35)}
.nav-cta a:hover{filter:brightness(1.08)}
.burger{display:none;flex-direction:column;gap:5px;padding:10px;cursor:pointer;margin-left:auto}
.burger i{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 30px;border-radius:999px;font-weight:700;font-size:15px;transition:.25s;border:1px solid transparent}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(91,71,245,.36)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(91,71,245,.46)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 20px;font-size:13.5px}
.hero{position:relative;background:radial-gradient(1000px 560px at 12% -10%,rgba(91,71,245,.55),transparent 60%),radial-gradient(900px 520px at 92% 8%,rgba(0,198,255,.32),transparent 62%),var(--dark);color:#fff;padding:calc(var(--nav) + 68px) 0 84px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 72%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;position:relative}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:6px 14px;border-radius:999px;font-size:12.5px;color:#cdd6ff;letter-spacing:.5px}
.pill b{color:#8ff3d3}
.hero h1{font-size:clamp(32px,4.1vw,52px);line-height:1.22;margin:20px 0 16px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7ff0ff,#b6a4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#b9c3e3;font-size:17px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:520px}
.hero-stats b{display:block;font-size:26px;line-height:1.2;background:linear-gradient(100deg,#fff,#a9bcff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:12.5px;color:#98a4c8}
.demo{background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:18px;box-shadow:0 30px 70px rgba(5,8,24,.5);backdrop-filter:blur(6px)}
.demo-head{display:flex;align-items:center;gap:10px;padding:4px 4px 14px}
.demo-logo{width:30px;height:30px;border-radius:9px;background:#fff;padding:3px}
.demo-head strong{font-size:14.5px}
.demo-head small{display:block;color:#93a0c6;font-size:11px;font-weight:400}
.status{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#8ff3d3;background:rgba(18,185,129,.16);border:1px solid rgba(18,185,129,.35);padding:5px 11px;border-radius:999px}
.status i{width:7px;height:7px;border-radius:50%;background:#8ff3d3;box-shadow:0 0 0 4px rgba(143,243,211,.18)}
.demo.disc .status{color:#ffb4b4;background:rgba(239,68,68,.14);border-color:rgba(239,68,68,.4)}
.demo.disc .status i{background:#ff9c9c;box-shadow:0 0 0 4px rgba(255,156,156,.16)}
.gauge{position:relative;display:grid;place-items:center;margin:6px 0 4px}
.gauge svg{width:min(300px,86%);height:auto;overflow:visible}
.gauge .ring{fill:none;stroke:rgba(255,255,255,.12);stroke-width:11;stroke-linecap:round}
.gauge .arc{fill:none;stroke:url(#gg);stroke-width:11;stroke-linecap:round;stroke-dasharray:314;stroke-dashoffset:76;transition:stroke-dashoffset 1.1s cubic-bezier(.2,.8,.2,1)}
.demo.disc .gauge .arc{stroke-dashoffset:300}
.gauge .val{position:absolute;top:52%;left:50%;transform:translate(-50%,-50%);text-align:center;width:100%}
.gauge .val b{display:block;font-size:34px;line-height:1.05;letter-spacing:-1px}
.gauge .val span{font-size:12px;color:#97a3c9}
.gauge .cap{margin-top:8px;font-size:12.5px;color:#c3cdf0;text-align:center}
.demo-btn{width:100%;margin:10px 0 14px;padding:13px;border-radius:13px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;transition:.2s;min-height:48px}
.demo-btn:hover{filter:brightness(1.08)}
.demo.disc .demo-btn{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24)}
.nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.nodes input{position:absolute;opacity:0;width:1px;height:1px}
.nodes label{display:flex;align-items:center;justify-content:space-between;gap:6px;font-size:12.5px;color:#c8d2f2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:9px 11px;border-radius:10px;cursor:pointer;transition:.2s;min-height:42px}
.nodes label:hover{background:rgba(255,255,255,.13)}
.nodes input:checked+label{border-color:#7fe3ff;background:rgba(0,198,255,.16);color:#fff;box-shadow:0 0 0 1px rgba(127,227,255,.4) inset}
.nodes em{font-style:normal;color:#7fe3ff;font-size:11.5px}
.demo-tgl{display:flex;gap:8px;margin-top:10px}
.sw{flex:1;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#c8d2f2;background:rgba(255,255,255,.05);padding:8px 10px;border-radius:9px;cursor:pointer;min-height:40px}
.sw input{appearance:none;width:32px;height:18px;border-radius:999px;background:rgba(255,255,255,.25);position:relative;transition:.2s;cursor:pointer;flex:0 0 auto}
.sw input:before{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:.2s}
.sw input:checked{background:var(--brand2)}
.sw input:checked:before{transform:translateX(14px)}
section{scroll-margin-top:calc(var(--nav) + 18px)}
.sec{padding:86px 0}
.sec.tint{background:#fff}
.sec.dark{background:linear-gradient(160deg,#0c1229,#141a3a);color:#fff}
.head{text-align:center;max-width:760px;margin:0 auto 48px}
.tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:var(--brand);background:rgba(91,71,245,.1);padding:6px 14px;border-radius:999px}
.sec.dark .tag{color:#9fe8ff;background:rgba(0,198,255,.13)}
.head h2{font-size:clamp(25px,3vw,36px);line-height:1.3;margin:16px 0 12px;letter-spacing:-.3px}
.head p{color:var(--muted);font-size:15.5px}
.sec.dark .head p{color:#a7b3d4}
.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;transition:transform .28s,box-shadow .28s,border-color .28s;height:100%}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow2);border-color:rgba(91,71,245,.28)}
.card .ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg,rgba(91,71,245,.14),rgba(0,198,255,.14));margin-bottom:16px}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.card .k{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:700;color:var(--brand)}
.sec.dark .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#fff}
.sec.dark .card p{color:#a7b3d4}
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.metrics b{display:block;font-size:clamp(26px,3vw,38px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.metrics span{font-size:13.5px;color:var(--muted)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.node-list{display:grid;gap:10px}
.node-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:14px;transition:.2s}
.node-row:hover{border-color:rgba(91,71,245,.3);transform:translateX(3px)}
.node-row i{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:8px;box-shadow:0 0 0 4px rgba(18,185,129,.15)}
.node-row b{font-weight:600}
.node-row em{font-style:normal;color:var(--muted);font-size:12.5px}
.bar{height:10px;border-radius:6px;background:#eef0fb;overflow:hidden;margin-top:8px}
.bar span{display:block;height:100%;border-radius:6px;background:var(--grad);width:var(--w,60%)}
.kv{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:7px}
.photo{border-radius:20px;box-shadow:var(--shadow2);width:100%;height:auto}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px 24px;transition:.28s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.step:before{counter-increment:s;content:"0" counter(s);position:absolute;top:18px;right:22px;font-size:34px;font-weight:800;color:rgba(91,71,245,.14)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
.price-grid{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:30px 26px;display:flex;flex-direction:column;transition:.28s;position:relative}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.plan.featured{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:2px solid transparent;box-shadow:0 22px 48px rgba(91,71,245,.2)}
.plan.featured:after{content:"最受欢迎";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:17px;color:var(--muted);font-weight:600}
.plan .p{font-size:38px;font-weight:800;margin:10px 0 2px;letter-spacing:-1px}
.plan .p small{font-size:14px;font-weight:500;color:var(--muted);letter-spacing:0}
.plan ul{margin:18px 0 24px;display:grid;gap:10px}
.plan li{font-size:14px;color:#3d455c;padding-left:24px;position:relative}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.plan .btn{margin-top:auto;width:100%}
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:.25s}
.faq details[open]{border-color:rgba(91,71,245,.3);box-shadow:var(--shadow)}
.faq summary{display:flex;align-items:center;gap:12px;padding:18px 0;font-weight:600;font-size:15.5px;cursor:pointer;list-style:none;min-height:56px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;background:var(--grad)}
.faq summary:after{content:"+";margin-left:auto;font-size:20px;color:var(--brand);font-weight:400;transition:transform .25s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq .ans{padding:0 0 20px 18px;color:var(--muted);font-size:14.5px}
.faq .ans ol{margin:8px 0 0 18px;display:grid;gap:6px}
.faq .ans li{list-style:decimal}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;height:100%;transition:.28s}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.quote .stars{color:#f5a623;letter-spacing:2px;font-size:14px}
.quote p{font-size:14.5px;color:#333c55;margin:12px 0 18px}
.who{display:flex;align-items:center;gap:10px}
.av{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px}
.who b{display:block;font-size:13.5px}
.who span{font-size:12px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.3s}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow2)}
.ncard .thumb{aspect-ratio:16/9;overflow:hidden;background:#e9ecf7}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ncard:hover .thumb img{transform:scale(1.05)}
.ncard .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.ncard .meta{font-size:12px;color:var(--brand);font-weight:600;letter-spacing:.5px;display:flex;gap:10px;align-items:center}
.ncard .meta span{color:var(--muted);font-weight:400}
.ncard h3{font-size:16px;line-height:1.55;margin:10px 0 8px}
.ncard p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ncard .more{margin-top:14px;font-size:13px;font-weight:700;color:var(--brand)}
.cta{background:var(--grad);color:#fff;border-radius:26px;padding:58px 40px;text-align:center;position:relative;overflow:hidden}
.cta:before{content:"";position:absolute;inset:-40% -10% auto;height:280px;background:radial-gradient(closest-side,rgba(255,255,255,.4),transparent);pointer-events:none}
.cta h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta p{opacity:.92;margin-bottom:26px;font-size:15px}
.cta .btn-line{background:#fff;border-color:#fff;color:var(--brand)}
.cta .btn-ghost{border-color:rgba(255,255,255,.6)}
.footer{background:#080c1e;color:#9aa6cc;padding:60px 0 26px;font-size:14px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.5px}
.footer li{margin-bottom:9px}
.footer a:hover{color:#fff}
.f-brand .brand{color:#fff;margin-bottom:14px}
.f-brand p{max-width:300px;font-size:13px;line-height:1.75}
.f-bot{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:12.5px;color:#6d789c}
.f-bot nav{display:flex;gap:18px;flex-wrap:wrap}
.toast{position:fixed;right:22px;bottom:22px;z-index:120;display:grid;gap:8px}
.toast a{width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;box-shadow:var(--shadow);color:var(--brand);font-weight:700}
.phero{background:radial-gradient(700px 340px at 20% 0,rgba(91,71,245,.5),transparent 65%),var(--dark);color:#fff;padding:calc(var(--nav) + 52px) 0 56px}
.phero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.25;margin:14px 0 12px}
.phero p{color:#b9c3e3;max-width:720px;font-size:15.5px}
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:#9fabce;align-items:center}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;opacity:.5}
.ver-list{display:grid;gap:14px}
.ver{display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;transition:.25s}
.ver:hover{border-color:rgba(91,71,245,.3);box-shadow:var(--shadow)}
.ver .os{width:52px;height:52px;border-radius:14px;background:var(--bg);display:grid;place-items:center;font-size:24px}
.ver b{display:block;font-size:15px}
.ver span{font-size:13px;color:var(--muted)}
.ver .btn{white-space:nowrap}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;font-size:14px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#f2f4fd;font-size:13px;color:#3a4360}
td:first-child{color:var(--muted);width:34%}
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;padding:52px 0 80px}
.art{background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px 40px}
.art h1{font-size:clamp(23px,2.6vw,32px);line-height:1.42;margin:8px 0 14px}
.art .ameta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px}
.art .ameta b{color:var(--brand);font-weight:600}
.art figure{margin:22px 0 26px}
.art figure img{width:100%;height:auto;border-radius:14px}
.art figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}
.art p{font-size:15.5px;color:#2c3449;margin-bottom:18px;line-height:1.95}
.art h2{font-size:20px;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--brand);line-height:1.45;scroll-margin-top:96px}
.art blockquote{background:#f6f7fe;border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:16px 20px;margin:20px 0;color:#36405c;font-size:14.5px}
.art blockquote cite{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:8px}
.art .tagrow{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0}
.art .tagrow a{font-size:12.5px;color:var(--brand);background:rgba(91,71,245,.08);padding:5px 12px;border-radius:999px}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px}
.pager a{color:var(--brand);max-width:48%}
.pager a:hover{text-decoration:underline}
.comments{margin-top:34px}
.comments h3{font-size:17px;margin-bottom:16px}
.cmt{display:grid;grid-template-columns:40px 1fr;gap:12px;padding:16px 0;border-top:1px dashed var(--line)}
.cmt .av{width:40px;height:40px;font-size:14px}
.cmt b{font-size:13.5px}
.cmt time{font-size:12px;color:var(--muted);margin-left:8px}
.cmt p{font-size:14px;color:#3b445e;margin:4px 0 0}
.side{display:grid;gap:20px;position:sticky;top:calc(var(--nav) + 20px)}
.scard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.scard h3{font-size:14.5px;padding-left:12px;border-left:3px solid var(--brand);margin-bottom:16px;line-height:1.2}
.toc{position:relative;padding-left:18px}
.toc:before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:#eceefb}
.toc a{position:relative;display:block;font-size:13.5px;color:#4a5470;padding:7px 0}
.toc a:before{content:"";position:absolute;left:-18px;top:14px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid #d9defa}
.toc a.on{color:var(--brand);font-weight:700}
.toc a.on:before{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 4px rgba(91,71,245,.14)}
.hot{display:grid;gap:12px}
.hot a{display:grid;grid-template-columns:24px 1fr;gap:10px;font-size:13px;color:#414b66;line-height:1.5}
.hot a:hover{color:var(--brand)}
.hot i{width:22px;height:22px;border-radius:7px;background:#e9ecf7;color:#6b7594;display:grid;place-items:center;font-style:normal;font-size:11.5px;font-weight:700}
.hot a:nth-child(1) i{background:linear-gradient(135deg,#5b47f5,#8b7bff);color:#fff}
.hot a:nth-child(2) i{background:linear-gradient(135deg,#f97316,#fbbf24);color:#fff}
.hot a:nth-child(3) i{background:linear-gradient(135deg,#d4a017,#f0d060);color:#fff}
.cats{display:flex;flex-wrap:wrap;gap:8px}
.cats a{font-size:12.5px;color:#4a5470;border:1px solid var(--line);padding:6px 12px;border-radius:999px;transition:.2s}
.cats a:hover{color:var(--brand);border-color:var(--brand);background:rgba(91,71,245,.06)}
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.filters a{font-size:13.5px;padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#414b66}
.filters a.on,.filters a:hover{background:var(--grad);border-color:transparent;color:#fff}
.prose{background:#fff;border:1px solid var(--line);border-radius:18px;padding:40px;max-width:900px;margin:0 auto}
.prose h2{font-size:19px;margin:28px 0 12px;padding-left:12px;border-left:4px solid var(--brand)}
.prose p{font-size:15px;color:#333c55;margin-bottom:14px}
.prose ul{margin:0 0 16px 20px;display:grid;gap:7px}
.prose li{list-style:disc;font-size:14.5px;color:#414b66}
.note{background:#f6f7fe;border-radius:12px;padding:14px 18px;font-size:13px;color:#5b6479;margin:16px 0}
.map-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.map-col h3{font-size:15px;margin-bottom:12px;color:var(--brand)}
.map-col a{display:block;font-size:13.5px;color:#4a5470;padding:5px 0}
.map-col a:hover{color:var(--brand)}
.err{min-height:78vh;display:grid;place-items:center;text-align:center;padding:120px 0 60px}
.err .code{font-size:clamp(70px,14vw,150px);font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.err h1{font-size:24px;margin:14px 0 10px}
.err p{color:var(--muted);margin-bottom:24px}
.err .cd{font-size:13px;color:var(--muted)}
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}html.js .reveal{opacity:1;transform:none;transition:none}}
@media(max-width:992px){
 .burger{display:flex}
 .menu{position:fixed;top:var(--nav);left:0;right:0;background:#0a0f24;flex-direction:column;align-items:stretch;gap:2px;padding:12px 4vw 22px;max-height:calc(100vh - var(--nav));overflow:auto;display:none;border-top:1px solid rgba(255,255,255,.1)}
 #navTgl:checked~.menu{display:flex}
 .menu>li>a,.menu>li>label{padding:14px 12px;font-size:15.5px;border-radius:10px}
 .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.05);padding:4px;margin:2px 0 8px;display:none}
 .sub a{color:#c6d0f0;padding:11px 14px;font-size:14px}
 .sub a:hover{background:rgba(255,255,255,.1);color:#fff}
 .has-sub:hover .sub{display:none}
 .has-sub:focus-within>.sub{display:none}
 .tgl:checked~.sub{display:block}
 .has-sub:hover .caret,.tgl:checked~label .caret{transform:rotate(180deg)}
 .nav-cta{display:none}
 .hero-grid,.split{grid-template-columns:1fr;gap:38px}
 .hero{padding-top:calc(var(--nav) + 42px)}
 .hero-stats{max-width:none}
 .demo{max-width:460px;margin:0 auto}
 .g4,.g6{grid-template-columns:repeat(2,1fr)}
 .metrics{grid-template-columns:repeat(2,1fr);gap:24px}
 .news-grid,.price-grid,.steps,.g3{grid-template-columns:repeat(2,1fr)}
 .art-wrap{grid-template-columns:1fr;gap:26px}
 .side{position:static;grid-template-columns:1fr}
 .f-grid{grid-template-columns:1.4fr 1fr 1fr}
 .map-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .sec{padding:62px 0}
 .hero h1{font-size:31px}
 .hero p.lead{font-size:15.5px}
 .head{margin-bottom:34px}
 .g2,.g3,.g4,.g6,.news-grid,.price-grid,.steps{grid-template-columns:1fr}
 .metrics{grid-template-columns:repeat(2,1fr)}
 .art{padding:24px 20px}
 .art p{font-size:15px}
 .prose{padding:26px 20px}
 .cta{padding:42px 22px}
 .f-grid{grid-template-columns:1fr 1fr}
 .f-brand{grid-column:1/-1}
 .ver{grid-template-columns:44px 1fr;gap:12px}
 .ver .btn{grid-column:1/-1;justify-content:center}
 .ver .os{width:44px;height:44px;font-size:20px}
 .pager{flex-direction:column}
 .pager a{max-width:100%}
 .nodes{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
 body{font-size:15px}
 .brand{font-size:17px}
 .hero{padding:calc(var(--nav) + 30px) 0 56px}
 .hero h1{font-size:27px}
 .hero-stats{grid-template-columns:1fr 1fr 1fr;gap:10px}
 .hero-stats b{font-size:20px}
 .hero-stats span{font-size:11px}
 .hero-btns .btn{width:100%}
 .btn{padding:13px 22px;font-size:14.5px}
 .demo{padding:14px}
 .gauge .val b{font-size:28px}
 .metrics{grid-template-columns:1fr 1fr}
 .f-grid{grid-template-columns:1fr}
 .map-grid{grid-template-columns:1fr}
 .node-row{grid-template-columns:1fr auto;font-size:13px}
 .node-row em{display:none}
 .art h1{font-size:23px}
}