:root{--bg:#06080f;--bg2:#0a0e18;--card:#0e1320;--card2:#131a2a;--line:#1e2740;--line2:#2a3654;--txt:#eef2fb;--muted:#93a1bd;--muted2:#657394;--brand:#7c5cff;--brand2:#2de2c5;--grad:linear-gradient(135deg,#7c5cff,#2de2c5);--grad2:linear-gradient(135deg,#a78bfa,#22d3ee);--green:#22c55e;--orange:#fb923c;--gold:#fbbf24;--radius:18px;--radius-sm:11px;--shadow:0 16px 46px rgba(0,0,0,.5);--shadow2:0 22px 64px rgba(124,92,255,.22);--navh:70px}
*{margin:0;padding:0;box-sizing:border-box}
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;background:var(--bg);color:var(--txt);line-height:1.72;font-size:16px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{line-height:1.24;font-weight:800}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:86px 0;position:relative}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head .tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand2);letter-spacing:1px;padding:6px 15px;border:1px solid var(--line2);border-radius:999px;background:rgba(45,226,197,.07);margin-bottom:16px}
.sec-head h2{font-size:36px;letter-spacing:.4px}
.sec-head h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head p{color:var(--muted);margin-top:14px;font-size:16px;max-width:660px;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:16px;padding:14px 30px;border-radius:13px;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;line-height:1;white-space:nowrap}
.btn-primary{background:var(--grad);color:#08111f;box-shadow:0 10px 30px rgba(124,92,255,.34)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(45,226,197,.38)}
.btn-ghost{background:transparent;color:var(--txt);border:1.5px solid var(--line2)}
.btn-ghost:hover{border-color:var(--brand2);color:var(--brand2);transform:translateY(-3px)}
.btn-lg{padding:17px 40px;font-size:18px;border-radius:15px}
.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px}
.btn-block{display:flex;width:100%}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;height:var(--navh);display:flex;align-items:center;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav.scrolled{background:rgba(6,8,15,.88);backdrop-filter:blur(14px);box-shadow:0 4px 24px rgba(0,0,0,.55);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.3px}
.logo img{width:36px;height:36px;border-radius:10px}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-item>a,.nav-item>label{display:flex;align-items:center;gap:6px;padding:10px 16px;font-size:15px;font-weight:600;color:var(--txt);border-radius:10px;transition:color .2s,background .2s;cursor:pointer}
.nav-item>a:hover,.nav-item>label:hover{color:var(--brand2)}
.nav-item>input{display:none}
.nav-item .arrow{transition:transform .25s;font-size:11px;color:var(--muted)}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border-radius:15px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s;z-index:99}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(4px)}
.dropdown a{display:block;padding:10px 16px;font-size:14px;font-weight:600;color:#1e293b;border-radius:10px;transition:background .2s,color .2s}
.dropdown a:hover{background:#f1f5f9;color:#6d28d9}
.nav-right{display:flex;align-items:center;gap:14px}
.hamburger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:11px;border:1px solid var(--line)}
.hamburger span{display:block;width:22px;height:2px;background:var(--txt);border-radius:2px;transition:all .3s}
#nav-toggle{display:none}
.hero{min-height:100vh;display:flex;align-items:center;padding:142px 0 84px;background:radial-gradient(1000px 620px at 82% -12%,rgba(124,92,255,.20),transparent 62%),radial-gradient(820px 520px at 8% 28%,rgba(45,226,197,.14),transparent 56%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand2);border:1px solid var(--line2);background:rgba(45,226,197,.08);border-radius:999px;padding:7px 16px;margin-bottom:22px}
.hero h1{font-size:56px;letter-spacing:-1px;margin-bottom:20px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:19px;color:var(--muted);margin-bottom:32px;max-width:530px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stats .num{font-size:32px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1}
.hero-stats .lbl{font-size:13px;color:var(--muted);margin-top:6px}
.demo{background:linear-gradient(160deg,#101728,#0a0f1c);border:1px solid var(--line2);border-radius:22px;padding:24px;box-shadow:var(--shadow2);position:relative;overflow:hidden}
.demo::after{content:"";position:absolute;inset:-1px;border-radius:22px;padding:1px;background:linear-gradient(135deg,rgba(124,92,255,.5),transparent 40%,rgba(45,226,197,.45));-webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.demo-status{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700}
.dot{width:10px;height:10px;border-radius:50%;background:var(--muted2);box-shadow:0 0 0 0 rgba(34,197,94,.6)}
.hero-demo input[type=checkbox].conn{position:absolute;opacity:0;width:0;height:0}
.pill{font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;border:1px solid var(--line2);color:var(--muted);background:rgba(255,255,255,.03)}
#conn:checked~.demo-top .pill-off{display:none}
.pill-on{display:none}
#conn:checked~.demo-top .pill-on{display:inline-flex;color:var(--green);border-color:rgba(34,197,94,.4);background:rgba(34,197,94,.1)}
#conn:checked~.demo-top .dot{background:var(--green);animation:pulse 1.8s infinite}
.node-wrap{position:relative}
.node-wrap>input{position:absolute;opacity:0;width:0;height:0}
.conn-btn{margin-top:14px}
.c-off{display:none}
#conn:checked~.demo-body .c-on{display:none}
#conn:checked~.demo-body .c-off{display:inline}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 12px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.gauge{width:196px;height:196px;margin:6px auto 18px;border-radius:50%;background:conic-gradient(from 210deg,rgba(124,92,255,.15) 0deg 300deg,rgba(255,255,255,.04) 300deg 360deg);display:grid;place-items:center;position:relative;transition:background .5s}
.gauge::before{content:"";position:absolute;inset:14px;border-radius:50%;background:radial-gradient(circle at 50% 30%,#131a2a,#0a0f1c)}
#conn:checked~.demo-body .gauge{background:conic-gradient(from 210deg,var(--brand) 0deg 210deg,var(--brand2) 210deg 300deg,rgba(255,255,255,.05) 300deg 360deg)}
.gauge .val{position:relative;text-align:center}
.gauge .val b{font-size:40px;font-weight:800;display:block;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.gauge .val i{font-style:normal;font-size:12px;color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.metric{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:11px 8px;text-align:center}
.metric b{display:block;font-size:17px;font-weight:800}
.metric i{font-style:normal;font-size:11px;color:var(--muted)}
.node-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:6px}
.node-tabs label{display:block;text-align:center;font-size:12.5px;font-weight:700;color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:9px 4px;cursor:pointer;transition:all .22s}
#n1:checked~.node-tabs label[for=n1],#n2:checked~.node-tabs label[for=n2],#n3:checked~.node-tabs label[for=n3]{color:#08111f;background:var(--grad);border-color:transparent}
.node-panes{position:relative;min-height:20px;margin-bottom:14px}
.node-panes p{position:absolute;inset:0;font-size:12.5px;color:var(--muted);opacity:0;transition:opacity .3s}
#n1:checked~.node-panes .np1,#n2:checked~.node-panes .np2,#n3:checked~.node-panes .np3{opacity:1;position:relative}
.demo-foot{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.demo-foot .sw{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:11px;padding:9px 12px;font-size:12.5px;font-weight:600;color:var(--muted)}
.sw input{position:absolute;opacity:0;width:0;height:0}
.sw .track{width:34px;height:19px;border-radius:999px;background:#2a3654;position:relative;transition:background .25s;flex:0 0 auto}
.sw .track::after{content:"";position:absolute;top:2.5px;left:2.5px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .25s}
.sw input:checked+.track{background:var(--brand)}
.sw input:checked+.track::after{transform:translateX(15px)}
.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)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .3s,border-color .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:var(--shadow)}
.ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:rgba(124,92,255,.12);border:1px solid var(--line2);margin-bottom:16px}
.card h3{font-size:18.5px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 16px}
.stat b{font-size:38px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1}
.stat i{font-style:normal;color:var(--muted);font-size:13.5px;display:block;margin-top:8px}
.node-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.node-card{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.node-card .flag{font-size:26px}
.node-card h4{font-size:17px;margin:10px 0 4px}
.node-card .meta{font-size:13px;color:var(--muted)}
.node-card .bar{height:6px;border-radius:999px;background:#1b2436;margin-top:14px;overflow:hidden}
.node-card .bar i{display:block;height:100%;background:var(--grad);border-radius:999px}
.speed-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.speed-list li{margin-bottom:18px}
.speed-list .row{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:7px}
.speed-list .track{height:9px;border-radius:999px;background:#1b2436;overflow:hidden}
.speed-list .track i{display:block;height:100%;background:var(--grad2);border-radius:999px}
.proto-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.proto{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.proto b{display:block;font-size:15px;margin-bottom:6px}
.proto span{font-size:13px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step .no{font-size:14px;font-weight:800;color:#08111f;background:var(--grad);width:34px;height:34px;border-radius:11px;display:grid;place-items:center;margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;display:flex;flex-direction:column}
.price.pop{border-color:transparent;background:linear-gradient(180deg,rgba(124,92,255,.14),var(--card));box-shadow:var(--shadow2);position:relative;transform:translateY(-8px)}
.price.pop .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#08111f;font-size:12px;font-weight:800;padding:6px 16px;border-radius:999px}
.price h3{font-size:19px}
.price .amt{font-size:40px;font-weight:800;margin:14px 0 4px}
.price .amt small{font-size:15px;font-weight:600;color:var(--muted)}
.price ul{margin:18px 0 24px;flex:1}
.price li{font-size:14px;color:var(--muted);padding:7px 0 7px 26px;position:relative}
.price li::before{content:"✓";position:absolute;left:0;color:var(--brand2);font-weight:800}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--brand2);font-weight:400;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .ans{padding:0 24px 22px;color:var(--muted);font-size:14.5px}
.faq-item .ans ol{margin-top:8px;counter-reset:s}
.faq-item .ans li{counter-increment:s;padding:5px 0 5px 30px;position:relative}
.faq-item .ans li::before{content:counter(s);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:6px;background:rgba(124,92,255,.16);color:var(--brand2);font-size:12px;font-weight:800;display:grid;place-items:center}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.rev .stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:10px}
.rev p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.rev .who{display:flex;align-items:center;gap:12px}
.rev .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#08111f;font-weight:800;display:grid;place-items:center;font-size:17px}
.rev .who b{display:block;font-size:14.5px}
.rev .who i{font-style:normal;font-size:12.5px;color:var(--muted2)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,border-color .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:var(--shadow)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card .cat{font-size:12px;font-weight:700;color:var(--brand2);margin-bottom:8px}
.news-card h3{font-size:17.5px;margin-bottom:10px;line-height:1.45}
.news-card p{color:var(--muted);font-size:14px;flex:1}
.news-card .dt{font-size:12.5px;color:var(--muted2);margin-top:14px}
.cta{background:linear-gradient(135deg,rgba(124,92,255,.16),rgba(45,226,197,.12));border:1px solid var(--line2);border-radius:26px;padding:56px 40px;text-align:center}
.cta h2{font-size:34px;margin-bottom:14px}
.cta p{color:var(--muted);max-width:620px;margin:0 auto 28px}
.cta .hero-actions{justify-content:center;margin-bottom:0}
.footer{background:var(--bg2);border-top:1px solid var(--line);padding:60px 0 26px}
.foot-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:280px}
.foot-col h4{font-size:15px;margin-bottom:16px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .2s}
.foot-col a:hover{color:var(--brand2)}
.foot-bot{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--muted2)}
.foot-bot a:hover{color:var(--brand2)}
.top-btn{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:14px;background:var(--grad);color:#08111f;font-size:20px;font-weight:800;display:grid;place-items:center;box-shadow:var(--shadow2);opacity:0;visibility:hidden;transition:all .3s;z-index:900}
.top-btn.on{opacity:1;visibility:visible}
.page-hero{padding:150px 0 60px;background:radial-gradient(760px 420px at 70% -20%,rgba(124,92,255,.20),transparent 60%),var(--bg);text-align:center}
.page-hero h1{font-size:44px}
.page-hero p{color:var(--muted);margin-top:16px;max-width:660px;margin-left:auto;margin-right:auto}
.crumb{font-size:13.5px;color:var(--muted2);margin-bottom:14px}
.crumb a:hover{color:var(--brand2)}
.crumb span{margin:0 7px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.req{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.req b{display:block;font-size:13px;color:var(--brand2);margin-bottom:6px}
.req span{font-size:14.5px}
.dl-vers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ver{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column}
.ver .tagv{font-size:12px;font-weight:700;color:var(--brand2);margin-bottom:10px}
.ver h3{font-size:19px;margin-bottom:4px}
.ver .fs{font-size:13px;color:var(--muted2);margin-bottom:16px}
.ver ul{flex:1;margin-bottom:20px}
.ver li{font-size:14px;color:var(--muted);padding:6px 0 6px 24px;position:relative}
.ver li::before{content:"•";position:absolute;left:6px;color:var(--brand2)}
.list-wrap{max-width:900px;margin:0 auto}
.art-list li{border-bottom:1px solid var(--line)}
.art-list a{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:24px 0;align-items:center;transition:transform .25s}
.art-list a:hover{transform:translateX(6px)}
.art-list .dt2{font-size:13px;color:var(--muted2)}
.art-list h3{font-size:18px;margin-bottom:6px}
.art-list p{font-size:14px;color:var(--muted)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article h1{font-size:34px;margin-bottom:14px}
.article .meta-line{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted2);font-size:13.5px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article .cover{border-radius:var(--radius);overflow:hidden;margin-bottom:28px}
.article-body{font-size:16.5px}
.article-body h2{font-size:24px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.article-body p{color:#c3cddf;margin-bottom:18px}
.article-body strong{color:var(--txt)}
.article-body figure{margin:26px 0}
.article-body figure img{border-radius:14px}
.article-body figcaption{font-size:13px;color:var(--muted2);text-align:center;margin-top:10px}
.article-body blockquote{background:rgba(124,92,255,.08);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:18px 22px;margin:22px 0;color:#d6deec;font-style:normal}
.data-box{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}
.data-box .d{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center}
.data-box .d b{display:block;font-size:27px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.data-box .d i{font-style:normal;font-size:12.5px;color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:16px;margin:36px 0;flex-wrap:wrap}
.pager a{flex:1;min-width:220px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;font-size:14px;transition:border-color .25s,transform .25s}
.pager a:hover{border-color:var(--line2);transform:translateY(-3px)}
.pager a i{font-style:normal;display:block;font-size:12px;color:var(--muted2);margin-bottom:5px}
.pager .next{text-align:right}
.rel-box{margin:34px 0}
.rel-box h3{font-size:19px;margin-bottom:16px}
.comments{margin-top:40px}
.comments h3{font-size:19px;margin-bottom:20px}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.cmt .av{width:44px;height:44px;border-radius:50%;background:var(--grad2);color:#08111f;font-weight:800;display:grid;place-items:center;flex:0 0 auto}
.cmt .bd b{font-size:14.5px;display:block}
.cmt .bd .dt3{font-size:12px;color:var(--muted2);margin-bottom:6px}
.cmt .bd p{font-size:14.5px;color:var(--muted)}
.side{position:sticky;top:92px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-card h3{font-size:16px;margin-bottom:18px;padding-left:12px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--grad)}
.toc{position:relative;padding-left:20px;border-left:2px solid var(--line)}
.toc a{display:block;font-size:14px;color:var(--muted);padding:7px 0;position:relative;transition:color .2s}
.toc a::before{content:"";position:absolute;left:-25px;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;background:var(--line2);border:2px solid var(--card);transition:background .2s}
.toc a:hover{color:var(--txt)}
.toc a.active{color:var(--brand2);font-weight:700}
.toc a.active::before{background:var(--brand)}
.hot li{display:flex;gap:12px;align-items:flex-start;padding:9px 0}
.hot .rk{flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:800;background:#2a3654;color:var(--muted);transition:transform .22s}
.hot li:nth-child(1) .rk{background:var(--grad);color:#08111f}
.hot li:nth-child(2) .rk{background:linear-gradient(135deg,#fb923c,#f59e0b);color:#08111f}
.hot li:nth-child(3) .rk{background:linear-gradient(135deg,#fbbf24,#d97706);color:#08111f}
.hot li:hover .rk{transform:scale(1.12)}
.hot li a{font-size:14px;color:var(--muted);line-height:1.5;transition:color .2s}
.hot li:hover a{color:var(--brand2)}
.cats{display:flex;flex-wrap:wrap;gap:9px}
.cats a{font-size:13px;font-weight:600;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 15px;transition:all .22s}
.cats a:hover{color:#08111f;background:var(--grad);border-color:transparent}
.nf{min-height:100vh;display:grid;place-items:center;text-align:center;padding:120px 24px}
.nf .code{font-size:120px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.nf h1{font-size:30px;margin:16px 0 12px}
.nf p{color:var(--muted);margin-bottom:26px}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.map-card h3{font-size:16px;margin-bottom:14px}
.map-card a{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .2s}
.map-card a:hover{color:var(--brand2)}
.prose{max-width:820px;margin:0 auto}
.prose h2{font-size:23px;margin:32px 0 14px;padding-left:13px;border-left:4px solid var(--brand)}
.prose h3{font-size:18px;margin:22px 0 10px}
.prose p{color:var(--muted);margin-bottom:16px;font-size:15.5px}
.prose ul{margin:0 0 16px}
.prose li{color:var(--muted);font-size:15.5px;padding:6px 0 6px 24px;position:relative}
.prose li::before{content:"▍";position:absolute;left:0;color:var(--brand2)}
.reveal{opacity:1}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
html.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){.hero-grid,.speed-wrap,.article-grid{grid-template-columns:1fr}
.hero h1{font-size:42px}
.g-3,.g-4,.node-grid,.news-grid,.rev-grid,.req-grid,.proto-list,.map-grid{grid-template-columns:repeat(2,1fr)}
.price-grid,.dl-vers,.steps{grid-template-columns:repeat(3,1fr)}
.steps4{grid-template-columns:repeat(2,1fr)}
.foot-cols{grid-template-columns:1fr 1fr}
.hamburger{display:flex}
.nav-menu{position:fixed;top:var(--navh);left:0;right:0;background:rgba(6,8,15,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:14px 20px 24px;max-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:max-height .35s,opacity .3s}
#nav-toggle:checked~.nav-menu{max-height:80vh;overflow:auto;opacity:1;visibility:visible}
.nav-item>a,.nav-item>label{justify-content:space-between;padding:14px 6px;border-bottom:1px solid var(--line)}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:transparent;padding:0 0 0 12px;display:none}
.nav-item>input:checked~.dropdown{display:block}
.nav-item:hover .dropdown{display:none}
.nav-item>input:checked~.dropdown{display:block}
.dropdown a{color:var(--muted);border-radius:8px}
.side{position:static}
.article-grid{gap:36px}
}
@media(max-width:768px){section{padding:64px 0}
.sec-head h2{font-size:28px}
.hero h1,.page-hero h1,.article h1{font-size:32px}
.hero{padding:120px 0 60px}
.g-2,.g-3,.g-4,.node-grid,.price-grid,.news-grid,.rev-grid,.dl-vers,.req-grid,.proto-list,.map-grid,.steps,.steps4,.stat-grid,.data-box{grid-template-columns:1fr}
.price.pop{transform:none}
.art-list a{grid-template-columns:1fr;gap:6px}
.pager .next{text-align:left}
.cta{padding:40px 24px}
.foot-cols{grid-template-columns:1fr 1fr;gap:26px}
.gauge{width:170px;height:170px}
}
@media(max-width:480px){.wrap{padding:0 16px}
.hero h1{font-size:27px}
.sec-head h2{font-size:24px}
.hero-stats{gap:22px}
.hero-stats .num{font-size:26px}
.stat b{font-size:30px}
.btn-lg{padding:15px 26px;font-size:16px}
.foot-cols{grid-template-columns:1fr}
.nf .code{font-size:82px}
.comments .cmt .av{width:38px;height:38px}
}