:root{--bg:#050b14;--bg2:#08161f;--surface:#0e2033;--line:rgba(255,255,255,.09);--ink:#e9f2fb;--muted:#9db2c6;--brand:#00d68f;--brand2:#2b9bff;--accent:#ffcf5c;--light:#f3f8fd;--light2:#e6eff8;--dark-ink:#0d1b28;--dark-muted:#54697d;--radius:16px;--shadow:0 10px 30px rgba(5,20,35,.10);--shadow-lg:0 22px 54px rgba(5,20,35,.18);--max:1180px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--light);color:var(--dark-ink);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:13px 26px;border-radius:12px;font-weight:700;font-size:15px;background:linear-gradient(120deg,var(--brand),var(--brand2));color:#04121c;border:0;cursor:pointer;transition:transform .22s,box-shadow .22s;box-shadow:0 12px 26px rgba(0,214,143,.28)}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(0,214,143,.36)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid rgba(233,242,251,.45);box-shadow:none}
.btn-ghost:hover{background:rgba(233,242,251,.1);box-shadow:none}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.tag{display:inline-block;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.4px;background:rgba(0,214,143,.14);color:#066d4d}
main{display:block}
section{padding:76px 0}
.sec-head{max-width:760px;margin:0 auto 42px;text-align:center}
.sec-head h2{font-size:clamp(23px,3.2vw,33px);line-height:1.3;letter-spacing:-.4px}
.sec-head p{color:var(--dark-muted);margin-top:12px;font-size:15.5px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:#0a7f5c;margin-bottom:10px}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-6{grid-template-columns:repeat(6,1fr)}
.card{background:#fff;border:1px solid var(--light2);border-radius:var(--radius);padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#cfe2f2}
.card .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;background:linear-gradient(140deg,rgba(0,214,143,.16),rgba(43,155,255,.16));margin-bottom:15px}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{color:var(--dark-muted);font-size:14.6px}
nav.top{position:fixed;inset:0 0 auto;z-index:60;padding:12px 0;transition:background .3s,padding .3s,box-shadow .3s}
nav.top.solid{background:rgba(5,11,20,.86);backdrop-filter:blur(14px);box-shadow:0 8px 26px rgba(3,10,18,.4);padding:7px 0}
.nav-inner{display:flex;align-items:center;gap:20px;max-width:var(--max);margin:0 auto;padding:0 22px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17.5px;letter-spacing:-.2px}
.logo img{width:34px;height:34px;border-radius:9px;object-fit:contain;background:rgba(255,255,255,.06);padding:3px}
.menu{display:flex;align-items:center;gap:4px}
.menu>.mi{position:relative;list-style:none}
.menu>.mi>summary,.menu>.mi>a{display:flex;align-items:center;gap:6px;padding:11px 14px;color:#dae7f4;font-size:15px;font-weight:600;border-radius:10px;transition:color .2s,background .2s;cursor:pointer;list-style:none;white-space:nowrap}
.menu>.mi>summary::-webkit-details-marker,.menu>.mi>summary::marker{display:none;content:""}
.menu>.mi>summary:hover,.menu>.mi[open]>summary,.menu>.mi>a:hover{color:#fff;background:rgba(255,255,255,.08)}
.arrow{font-size:10px;transition:transform .25s;display:inline-block}
.mi:hover .arrow,.mi[open] .arrow{transform:rotate(180deg)}
.sub{position:absolute;top:calc(100% + 8px);left:0;min-width:214px;background:#fff;border-radius:13px;box-shadow:0 18px 40px rgba(6,20,34,.22);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .22s,transform .22s,visibility .22s}
.mi:hover>.sub,.mi:focus-within>.sub,.mi[open]>.sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub a{display:block;padding:9px 13px;border-radius:9px;color:#16324a;font-size:14.4px;font-weight:600}
.sub a:hover{background:#eef6fd;color:#0a7f5c}
.vh{position:absolute!important;width:1px;height:1px;opacity:0;pointer-events:none}
.nav-cta{margin-left:8px}
.burger{display:flex;align-items:center;margin-left:auto}
.burger>label{display:none}
.burger input{position:absolute;opacity:0;width:0;height:0}
.hero{position:relative;background:radial-gradient(120% 90% at 82% 8%,rgba(43,155,255,.28),transparent 55%),radial-gradient(90% 80% at 12% 100%,rgba(0,214,143,.22),transparent 60%),linear-gradient(160deg,#050b14,#071726);color:var(--ink);padding:140px 0 84px;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(#000,transparent 78%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(28px,4.3vw,44px);line-height:1.22;letter-spacing:-.8px}
.hero .sub-lead{margin-top:16px;font-size:16.5px;color:#b9cddf;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px;border-top:1px solid var(--line);padding-top:24px}
.hero-stats b{display:block;font-size:24px;color:var(--brand);letter-spacing:-.5px}
.hero-stats span{font-size:13.2px;color:var(--muted)}
.pulse{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:999px;background:rgba(0,214,143,.12);border:1px solid rgba(0,214,143,.3);color:#7ff0c6;font-size:13px;font-weight:700}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 rgba(0,214,143,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(0,214,143,0)}100%{box-shadow:0 0 0 0 rgba(0,214,143,0)}}
.demo{background:linear-gradient(165deg,rgba(14,32,51,.96),rgba(8,22,31,.96));border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 30px 70px rgba(3,12,20,.55);backdrop-filter:blur(8px)}
.demo-top{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.demo-top .brand-dot{width:11px;height:11px;border-radius:50%;background:var(--brand)}
.demo-top .brand-dot.b2{background:var(--brand2)}
.demo-top .brand-dot.b3{background:#ffcf5c}
.demo-top span{margin-left:auto;font-size:12.6px;color:var(--muted)}
.demo-state{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:18px 0 16px}
.demo-state strong{font-size:16.5px;display:block}
.demo-state small{color:var(--muted);font-size:12.8px}
.pill{padding:7px 13px;border-radius:999px;font-size:12.4px;font-weight:800;background:rgba(0,214,143,.16);color:#7ff0c6;border:1px solid rgba(0,214,143,.3)}
.pill.off{background:rgba(157,178,198,.14);color:#c3d3e2;border-color:var(--line)}
.gauge{position:relative;width:170px;height:170px;margin:6px auto 4px;border-radius:50%;background:conic-gradient(var(--brand) calc(var(--v,78) * 1%),rgba(255,255,255,.09) 0);display:grid;place-items:center;transition:--v .7s ease,opacity .3s,filter .3s}
.gauge:before{content:"";position:absolute;inset:12px;border-radius:50%;background:#08161f}
.gauge i{position:relative;z-index:2;font-style:normal;text-align:center}
.gauge b{display:block;font-size:31px;color:#fff;letter-spacing:-1px}
.gauge em{font-style:normal;font-size:12.4px;color:var(--muted);letter-spacing:1.2px}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 16px;text-align:center}
.demo-metrics div{background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:12px;padding:11px 6px}
.demo-metrics b{display:block;font-size:16.4px;color:#fff}
.demo-metrics span{font-size:11.8px;color:var(--muted)}
.nodes{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:14px;scrollbar-width:none}
.nodes::-webkit-scrollbar{display:none}
.node{flex:0 0 auto;padding:9px 14px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:#d6e5f2;font-size:13.2px;font-weight:700;cursor:pointer;white-space:nowrap}
.nodes input:checked+label.node{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#04161f;border-color:transparent}
.nodes input:focus-visible+label.node{outline:2px solid var(--brand2);outline-offset:2px}
.demo-conn{margin-top:4px}
.demo-conn label.btn{width:100%;cursor:pointer}
.demo .st-off{display:none}
#conn:not(:checked)~* .st-on{display:none}
#conn:not(:checked)~* .st-off{display:inline}
#conn:not(:checked)~* .pill{background:rgba(157,178,198,.14);color:#c3d3e2;border-color:var(--line)}
#conn:not(:checked)~* .gauge{opacity:.4;filter:grayscale(.6)}
@property --v{syntax:'<number>';inherits:false;initial-value:0}
.switches{display:grid;gap:9px;margin-bottom:16px}
.sw{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.6px;color:#cbdbeb}
.sw input{position:absolute;opacity:0;pointer-events:none}
.sw label{width:44px;height:24px;border-radius:999px;background:rgba(255,255,255,.14);position:relative;cursor:pointer;transition:background .25s;flex:0 0 auto}
.sw label:before{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;top:3px;left:3px;transition:transform .25s}
.sw input:checked+label{background:var(--brand)}
.sw input:checked+label:before{transform:translateX(20px)}
.sw input:focus-visible+label{outline:2px solid var(--brand2);outline-offset:2px}
.acc{display:grid;gap:12px}
.acc details{background:#fff;border:1px solid var(--light2);border-radius:14px;overflow:hidden;transition:box-shadow .25s,border-color .25s}
.acc details[open]{box-shadow:var(--shadow);border-color:#cbe0f2}
.acc summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;display:flex;align-items:center;gap:12px}
.acc summary::-webkit-details-marker{display:none}
.acc summary:after{content:"+";margin-left:auto;font-size:22px;color:#0a7f5c;font-weight:400;transition:transform .25s}
.acc details[open] summary:after{transform:rotate(45deg)}
.acc .ans{padding:0 22px 20px;color:var(--dark-muted);font-size:14.8px}
.acc .ans ol{margin:10px 0 0 20px}
.acc .ans li{margin-bottom:5px}
.steps{counter-reset:s}
.step{position:relative;padding-top:52px}
.step:before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:0;left:26px;font-size:26px;font-weight:800;color:#bfd6e8;letter-spacing:-1px}
.step h3{margin-bottom:8px}
.band-dark{background:linear-gradient(160deg,#050b14,#0a1e2c);color:var(--ink)}
.band-dark .sec-head p{color:var(--muted)}
.band-dark .card{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--ink)}
.band-dark .card p{color:var(--muted)}
.band-dark .card:hover{border-color:rgba(0,214,143,.42)}.band-dark .acc details{background:#fff}.band-dark .acc summary{color:var(--dark-ink)}.band-dark .acc summary:hover{color:#0a7f5c}.band-dark .eyebrow{color:var(--brand)}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:#fff;border:1px solid var(--light2);border-radius:18px;padding:28px;position:relative;transition:transform .25s,box-shadow .25s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plan.hot{border-color:transparent;background:linear-gradient(165deg,#071a26,#0b2836);color:var(--ink);box-shadow:0 26px 60px rgba(6,32,46,.32);transform:scale(1.03)}
.plan.hot:hover{transform:scale(1.03) translateY(-6px)}
.plan.hot .muted,.plan.hot li{color:#b9cddf}
.plan.hot .price-num{color:#fff}
.plan .badge{position:absolute;top:-13px;left:28px;background:linear-gradient(120deg,var(--accent),#ffb02e);color:#3a2400;font-size:12.4px;font-weight:800;padding:6px 14px;border-radius:999px}
.plan h3{font-size:18px;margin-bottom:6px}
.price-num{font-size:34px;font-weight:800;letter-spacing:-1.2px;color:#0d1b28;margin:12px 0 4px}
.price-num small{font-size:14px;font-weight:600;color:var(--dark-muted)}
.muted{color:var(--dark-muted);font-size:13.8px}
.plan ul{list-style:none;margin:18px 0 22px;display:grid;gap:10px}
.plan li{font-size:14.5px;color:#3c5364;display:flex;gap:9px;align-items:flex-start}
.plan li:before{content:"✓";color:#0a9e72;font-weight:800}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:#fff;border:1px solid var(--light2);border-radius:16px;padding:24px;transition:transform .25s,box-shadow .25s}
.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.stars{color:#ffb02e;font-size:14px;letter-spacing:2px}
.quote p{font-size:14.8px;color:#31485b;margin:12px 0 16px}
.who{display:flex;align-items:center;gap:11px}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#04161f;background:linear-gradient(130deg,var(--brand),var(--brand2));flex:0 0 auto}
.who b{display:block;font-size:14.4px}
.who span{font-size:12.6px;color:var(--dark-muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--light2);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.news-body{padding:20px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-body h3{font-size:16.6px;line-height:1.45}
.news-body p{font-size:14.2px;color:var(--dark-muted);flex:1}
.meta{font-size:12.4px;color:#7893a8;display:flex;gap:9px;align-items:center}
.cta-band{background:radial-gradient(90% 120% at 15% 0%,rgba(0,214,143,.28),transparent 60%),linear-gradient(140deg,#061520,#0a2637);color:var(--ink);border-radius:22px;padding:50px;text-align:center}
.cta-band h2{font-size:clamp(22px,3vw,31px);letter-spacing:-.5px}
.cta-band p{color:#b9cddf;margin:14px auto 26px;max-width:640px}
footer{background:#040910;color:#8ea6bb;padding:64px 0 26px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px}
footer a{display:block;font-size:14.2px;padding:5px 0;color:#93aabf}
footer a:hover{color:var(--brand)}
footer .fbrand p{font-size:14.2px;margin:12px 0 0;max-width:320px}
.copy{margin-top:40px;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13.4px}
.copy .links{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap}
#toTop{position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:14px;background:linear-gradient(130deg,var(--brand),var(--brand2));color:#04161f;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 12px 28px rgba(5,20,35,.3);z-index:50}
.page-head{background:linear-gradient(160deg,#050b14,#0a1e2c);color:var(--ink);padding:132px 0 54px}
.page-head h1{font-size:clamp(24px,3.6vw,36px);letter-spacing:-.6px}
.page-head p{color:var(--muted);margin-top:12px;max-width:720px}
.crumb{font-size:13.4px;color:#8ea6bb;margin-bottom:14px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.post{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;align-items:start}
.post-main{background:#fff;border:1px solid var(--light2);border-radius:18px;padding:34px}
.post-body{font-size:16.2px;color:#2c4254}
.post-body p{margin-bottom:17px;line-height:1.85}
.post-body h2{font-size:21.5px;margin:26px 0 12px;letter-spacing:-.3px;scroll-margin-top:96px}
.post-body figure{margin:22px 0}
.post-body figcaption{font-size:13.2px;color:#7893a8;text-align:center;margin-top:9px}
.lede{background:#f2f9ff;border-left:4px solid var(--brand);border-radius:0 14px 14px 0;padding:18px 20px;font-size:15.4px;color:#20415a;margin-bottom:22px}
.keydata{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}
.keydata div{background:#f4f9fe;border:1px solid var(--light2);border-radius:13px;padding:15px;text-align:center}
.keydata b{display:block;font-size:21px;color:#0a7f5c}
.keydata span{font-size:12.8px;color:var(--dark-muted)}
blockquote{border-left:3px solid var(--brand2);background:#f5f9fd;padding:16px 20px;border-radius:0 12px 12px 0;margin:20px 0;color:#20415a;font-size:15.4px}
blockquote cite{display:block;margin-top:9px;font-style:normal;font-size:13.6px;color:var(--dark-muted)}
.side{position:sticky;top:92px;display:grid;gap:18px}
.side-card{background:#fff;border:1px solid var(--light2);border-radius:16px;padding:20px}
.side-card h3{font-size:15.4px;padding-left:11px;position:relative;margin-bottom:14px}
.side-card h3:before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:3px;background:linear-gradient(var(--brand),var(--brand2))}
.toc ul{list-style:none;position:relative;margin-left:4px;border-left:2px solid var(--light2);padding-left:16px}
.toc li{position:relative;padding:6px 0}
.toc li:before{content:"";position:absolute;left:-22px;top:15px;width:9px;height:9px;border-radius:50%;background:#cfe0ee}
.toc a{font-size:14.2px;color:#3c5364}
.toc li.on:before{background:var(--brand);box-shadow:0 0 0 3px rgba(0,214,143,.22)}
.toc li.on a{color:#0a7f5c;font-weight:800}
.hot{list-style:none;counter-reset:h}
.hot li{counter-increment:h;display:flex;gap:11px;align-items:flex-start;padding:8px 0}
.hot li:before{content:counter(h);flex:0 0 auto;width:23px;height:23px;border-radius:8px;display:grid;place-items:center;font-size:12.4px;font-weight:800;background:#e3ecf4;color:#4a6072;transition:transform .2s}
.hot li:nth-child(1):before{background:linear-gradient(130deg,var(--brand),var(--brand2));color:#04161f}
.hot li:nth-child(2):before{background:linear-gradient(130deg,#ffcf5c,#ff9f1c);color:#3a2400}
.hot li:nth-child(3):before{background:linear-gradient(130deg,#ffd98a,#e9b949);color:#3a2400}
.hot li:hover:before{transform:scale(1.12)}
.hot a{font-size:14.2px;color:#31485b}
.hot li:hover a{color:#0a7f5c}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tags span,.tags a{font-size:12.8px;padding:6px 12px;border-radius:999px;background:#f0f6fc;color:#496273;border:1px solid transparent}
.tags a:hover{color:#0a7f5c;border-color:var(--brand);background:#fff}
.comments{margin-top:30px;background:#fff;border:1px solid var(--light2);border-radius:18px;padding:30px}
.comments h2{font-size:19px;margin-bottom:18px}
.cmt{display:flex;gap:13px;padding:16px 0;border-bottom:1px dashed var(--light2)}
.cmt:last-child{border-bottom:0}
.cmt p{font-size:14.6px;color:#31485b}
.cmt .cmeta{font-size:12.6px;color:#7893a8}
.pager{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.pager a{flex:1 1 240px;background:#fff;border:1px solid var(--light2);border-radius:14px;padding:17px 19px;font-size:14.4px;transition:border-color .22s,transform .22s}
.pager a:hover{border-color:var(--brand);transform:translateY(-3px)}
.pager small{display:block;color:#7893a8;font-size:12.4px;margin-bottom:4px}
.rel{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--light2);border-radius:16px;overflow:hidden}
.spec th,.spec td{padding:15px 18px;font-size:14.6px;text-align:left;border-bottom:1px solid var(--light2)}
.spec th{background:#f3f9fe;font-weight:800;width:32%}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.ver{display:grid;gap:16px}
.ver-row{display:grid;grid-template-columns:1.2fr 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--light2);border-radius:16px;padding:22px}
.ver-row ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.ver-row li{font-size:13.2px;background:#f0f6fc;border-radius:999px;padding:6px 12px;color:#496273}
.map-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.map-cols ul{list-style:none;display:grid;gap:8px}
.map-cols a{font-size:14.6px;color:#2c4254}
.map-cols a:hover{color:#0a7f5c;text-decoration:underline}
.err{background:radial-gradient(80% 100% at 50% 0%,rgba(43,155,255,.28),transparent 60%),linear-gradient(160deg,#050b14,#0a1e2c);color:var(--ink);min-height:100vh;display:grid;place-items:center;text-align:center;padding:120px 22px 80px}
.err b.big{font-size:clamp(74px,16vw,150px);line-height:1;background:linear-gradient(120deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-4px}
.err p{color:var(--muted);margin:16px 0 26px}
.err .countdown{color:var(--brand);font-weight:800}
.legal article{background:#fff;border:1px solid var(--light2);border-radius:18px;padding:34px}
.legal h2{font-size:19px;margin:24px 0 10px}
.legal p,.legal li{font-size:15.2px;color:#31485b}
.legal ul,.legal ol{margin:0 0 14px 22px}
.legal li{margin-bottom:7px}
.note{background:#fffaf0;border:1px dashed #f0d9a8;border-radius:13px;padding:15px 18px;font-size:13.8px;color:#6b552b;margin:18px 0}
html.js .reveal{opacity:0;transform:translateY(20px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media (max-width:992px){
.burger>label{display:grid;place-items:center;width:44px;height:44px;border-radius:11px;background:rgba(255,255,255,.1);cursor:pointer;font-size:20px;color:#fff;margin-left:auto}
.menu{position:fixed;top:62px;left:0;right:0;background:rgba(5,11,20,.97);flex-direction:column;align-items:stretch;gap:0;padding:12px 18px 20px;max-height:0;overflow:hidden;transition:max-height .32s ease;backdrop-filter:blur(14px)}
.burger input:checked ~ .menu{max-height:78vh;overflow-y:auto}
.menu>.mi>summary,.menu>.mi>a{padding:14px 6px;border-bottom:1px solid var(--line);justify-content:space-between;border-radius:0}
.sub{position:static;opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;background:transparent;padding:4px 0 10px 10px;min-width:0}
.sub a{color:#c9dcec}
.sub a:hover{background:rgba(255,255,255,.08);color:#fff}
.mi[open]>.sub{display:block}
.nav-cta{margin:14px 0 0}
.hero .wrap{grid-template-columns:1fr;gap:34px}
.hero{padding:120px 0 66px}
.g-4,.g-6{grid-template-columns:repeat(2,1fr)}
.price,.quotes,.news-grid,.g-3{grid-template-columns:repeat(2,1fr)}
.post{grid-template-columns:1fr}
.side{position:static;grid-template-columns:repeat(3,1fr)}
footer .cols{grid-template-columns:1fr 1fr}
.plan.hot{transform:none}
.plan.hot:hover{transform:translateY(-6px)}
.rel,.map-cols,.keydata{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
section{padding:56px 0}
.hero-stats{grid-template-columns:1fr 1fr;gap:16px}
.g-3,.g-4,.g-6,.price,.quotes,.news-grid,.g-2,.rel{grid-template-columns:1fr}
.side{grid-template-columns:1fr}
.post-main,.comments,.legal article{padding:24px}
.cta-band{padding:34px 22px}
footer .cols{grid-template-columns:1fr}
.ver-row{grid-template-columns:1fr}
.spec th{width:40%}
}
@media (max-width:480px){
.wrap{padding:0 16px}
.hero{padding:104px 0 52px}
.hero-btns .btn{width:100%}
.hero-stats{grid-template-columns:1fr}
.demo{padding:15px}
.gauge{width:140px;height:140px}
.demo-metrics{grid-template-columns:1fr}
.keydata,.map-cols{grid-template-columns:1fr}
.btn{width:100%}
.pager a{flex-basis:100%}
.copy .links{margin-left:0}
}