:root{--ink:#0e1428;--ink2:#2b3350;--muted:#6c7590;--bg:#080c18;--bg2:#0f1630;--accent:#ff6a00;--accent2:#ffa62b;--teal:#12d6b6;--line:#e6e9f2;--soft:#f5f7fc;--white:#fff;--radius:18px;--shadow:0 12px 34px rgba(14,20,40,.09);--shadow2:0 22px 50px rgba(14,20,40,.18);--wrap:1180px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.1px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:12px;top:12px}
.topbar{position:fixed;inset:0 0 auto;z-index:60;background:rgba(8,12,24,.55);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07);transition:background .28s ease,box-shadow .28s ease}
.topbar.solid{background:rgba(8,12,24,.94);box-shadow:0 10px 30px rgba(0,0,0,.28)}
.topbar .wrap{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px;color:#fff;font-size:20px;flex:0 0 auto}
.brand img{width:34px;height:34px;border-radius:9px;box-shadow:0 4px 14px rgba(255,106,0,.32)}
.brand em{font-style:normal;color:var(--accent2)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:5px;padding:9px 13px;border-radius:10px;color:rgba(255,255,255,.86);font-size:15px;font-weight:500;transition:.2s}
.nav-link:hover,.nav-item:focus-within>.nav-link{background:rgba(255,255,255,.09);color:#fff}
.arrow{display:inline-block;font-size:10px;transition:transform .25s ease;color:var(--accent2)}
.nav-item:hover .arrow,.nav-item:focus-within .arrow{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:0;min-width:214px;padding:10px;margin-top:6px;background:#fff;border-radius:14px;box-shadow:0 18px 44px rgba(8,12,24,.22);opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s ease}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;transform:none}
.drop a{display:block;padding:9px 12px;border-radius:9px;font-size:14.5px;color:var(--ink2);white-space:nowrap}
.drop a:hover{background:#fff4ec;color:var(--accent)}
.btn-dl{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;background:linear-gradient(120deg,var(--accent),var(--accent2));color:#fff;font-weight:700;font-size:15px;box-shadow:0 10px 24px rgba(255,106,0,.32);transition:transform .2s ease,box-shadow .2s ease;flex:0 0 auto;border:0;cursor:pointer}
.btn-dl:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,0,.42)}
.burger{display:none;flex:0 0 auto;width:42px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.18);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
#navtog{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.mpanel{display:none}
.hero{position:relative;overflow:hidden;background:var(--bg);color:#fff;padding:132px 0 84px}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(760px 420px at 78% 12%,rgba(255,106,0,.22),transparent 62%),radial-gradient(680px 420px at 12% 88%,rgba(18,214,182,.16),transparent 60%),linear-gradient(180deg,#080c18,#0d132a)}
.hero::after{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:64px 64px;mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);opacity:.5}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);font-size:13.5px;color:#ffd9bf;margin-bottom:20px}
.badge b{color:var(--teal);font-weight:700}
.hero h1{font-size:52px;line-height:1.16;font-weight:800;letter-spacing:-1px;margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(96deg,#ff8a3d,#ffc46b 55%,#ffe2b8);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:17.5px;color:rgba(255,255,255,.76);max-width:560px;margin-bottom:26px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:700;font-size:15.5px;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;border:1px solid transparent}
.btn-main{background:linear-gradient(120deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 14px 30px rgba(255,106,0,.34)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,106,0,.45)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.btn-line{border-color:var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}
.btn.block{display:flex;width:100%}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:520px}
.stats div{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:13px 14px}
.stats b{display:block;font-size:23px;line-height:1.2;color:#fff;font-weight:800}
.stats b i{font-style:normal;font-size:14px;color:var(--accent2);margin-left:2px}
.stats span{font-size:12.5px;color:rgba(255,255,255,.6)}
.demo{position:relative;background:linear-gradient(165deg,#141c3a,#0b1128 70%);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:20px;box-shadow:0 30px 70px rgba(0,0,0,.45)}
.demo-head{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.66);padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:16px}
.demo-head .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(18,214,182,.16)}
.demo-head .on{display:none;color:var(--teal)}
.demo-head .off{color:#ffb27a}
.hd{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.dial{position:relative;width:210px;height:210px;margin:0 auto 16px;border-radius:50%;background:conic-gradient(from 210deg,#3a4266 0deg,#3a4266 200deg,transparent 200deg);display:flex;align-items:center;justify-content:center;transition:background .5s ease}
.dial::before{content:"";position:absolute;inset:13px;border-radius:50%;background:radial-gradient(circle at 50% 30%,#161f3f,#0a1024)}
.dial-in{position:relative;text-align:center;z-index:2}
.dial-in .num{display:block;font-size:44px;font-weight:800;line-height:1;letter-spacing:-2px;color:#fff}
.dial-in .unit{font-size:13px;color:rgba(255,255,255,.58);letter-spacing:1px}
.dial-in .cap{font-size:12px;color:var(--accent2);margin-top:6px;letter-spacing:1.5px}
.m-on,.node-on{display:none}
#conn:checked~.demo-head .on{display:inline}
#conn:checked~.demo-head .off{display:none}
#conn:checked~.dial{background:conic-gradient(from 210deg,var(--teal) 0deg,#ff9a3c 260deg,transparent 260deg)}
#conn:checked~.dial .m-off{display:none}
#conn:checked~.dial .m-on{display:block}
#conn:checked~.demo-metrics .v-off{display:none}
#conn:checked~.demo-metrics .v-on{display:inline}
#conn:checked~label.conn{background:linear-gradient(120deg,#11b99e,#12d6b6);box-shadow:0 10px 24px rgba(18,214,182,.3)}
#conn:checked~label.conn .t-off{display:none}
#conn:checked~label.conn .t-on{display:inline}
label.conn{position:relative;z-index:3}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.demo-metrics div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:11px;padding:9px 6px;text-align:center}
.demo-metrics span{display:block;font-size:11.5px;color:rgba(255,255,255,.52)}
.demo-metrics b{font-size:16px;color:#fff;font-weight:700}
.demo-metrics i{font-style:normal;font-size:11px;color:rgba(255,255,255,.55);margin-left:2px}
.demo-metrics .v-on{color:var(--teal)}
.node-pick{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:14px}
.node-pick label{display:block;text-align:center;padding:8px 4px;border-radius:9px;font-size:12.5px;color:rgba(255,255,255,.72);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);cursor:pointer;transition:.18s;white-space:nowrap}
.node-pick label:hover{color:#fff;border-color:rgba(255,166,43,.6)}
#n1:checked~.node-pick label[for=n1],#n2:checked~.node-pick label[for=n2],#n3:checked~.node-pick label[for=n3],#n4:checked~.node-pick label[for=n4]{background:rgba(255,106,0,.2);border-color:var(--accent);color:#ffd6b8;font-weight:700}
.n1,.n2,.n3,.n4{display:none}
#n1:checked~.demo-metrics .n1,#n2:checked~.demo-metrics .n2,#n3:checked~.demo-metrics .n3,#n4:checked~.demo-metrics .n4{display:inline}
.demo-foot{display:flex;gap:8px;font-size:11.5px;color:rgba(255,255,255,.5);justify-content:center;margin-top:10px;flex-wrap:wrap}
.demo-foot span{background:rgba(255,255,255,.05);padding:3px 9px;border-radius:999px}
.dial-in .m-on{display:none}
.demo-metrics .v-on{display:none}
.switches{display:flex;gap:10px;margin-bottom:12px}
.switches input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.switches label{position:relative;flex:1;display:flex;align-items:center;min-height:34px;padding:6px 8px 6px 44px;font-size:12.5px;color:rgba(255,255,255,.62);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:9px;cursor:pointer;transition:.18s}
.switches label::before{content:"";position:absolute;left:10px;top:50%;transform:translateY(-50%);width:26px;height:15px;border-radius:99px;background:rgba(255,255,255,.2);transition:.2s}
.switches label::after{content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);width:11px;height:11px;border-radius:50%;background:#fff;transition:left .2s}
.switches input:checked+label{color:#ffd6b8;border-color:rgba(255,166,43,.5);background:rgba(255,106,0,.12)}
.switches input:checked+label::before{background:linear-gradient(120deg,var(--accent),var(--accent2))}
.switches input:checked+label::after{left:23px}
.sec{padding:86px 0}
.sec.soft{background:var(--soft)}
.sec.dark{background:var(--bg);color:#fff}
.sec-head{max-width:720px;margin:0 auto 46px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:-.6px}
.sec.dark .sec-head h2{color:#fff}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px}
.sec.dark .sec-head p{color:rgba(255,255,255,.66)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow2);border-color:#ffd9c0}
.ico{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:21px;background:linear-gradient(140deg,#fff1e7,#ffe3cf);margin-bottom:14px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px;margin:0}
.sec.dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:#fff}
.sec.dark .card p{color:rgba(255,255,255,.64)}
.sec.dark .ico{background:rgba(255,106,0,.16)}
.band{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#fff}
.band div{padding:28px 22px;text-align:center;border-right:1px solid var(--line)}
.band div:last-child{border-right:0}
.band b{display:block;font-size:34px;font-weight:800;letter-spacing:-1px;background:linear-gradient(120deg,var(--accent),#ff9d3c);-webkit-background-clip:text;background-clip:text;color:transparent}
.band span{font-size:13.5px;color:var(--muted)}
.nodes-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.node-panel{background:linear-gradient(160deg,#121a37,#0a1024);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:24px;color:#fff}
.node-panel h3{font-size:17px;margin-bottom:4px;display:flex;justify-content:space-between;align-items:center}
.node-panel h3 span{font-size:12px;color:var(--teal);font-weight:500}
.nrow{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14px}
.nrow:last-child{border-bottom:0}
.nrow .flag{width:26px;text-align:center}
.nrow .nm{flex:1;color:rgba(255,255,255,.88)}
.nrow .ms{color:var(--teal);font-variant-numeric:tabular-nums;font-weight:700}
.nrow .loadbar{width:74px;height:6px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.nrow .loadbar i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),#7cf0dd)}
.nrow .loadbar.warn i{background:linear-gradient(90deg,#ffb020,#ffd27a)}
.speed-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:14px}
.speed-card h3{font-size:17px}
.spd{display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
.spd b{font-size:38px;line-height:1;font-weight:800;letter-spacing:-1.5px}
.spd span{font-size:13px;color:var(--muted)}
.spd-track{height:10px;border-radius:99px;background:#eef1f8;overflow:hidden}
.spd-track i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--teal),#33e0c4)}
.spd-track.o i{background:linear-gradient(90deg,var(--accent),var(--accent2))}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.steps.four{grid-template-columns:repeat(4,1fr)}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px 24px;transition:.24s}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:-16px;left:22px;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:#fff;background:linear-gradient(120deg,var(--accent),var(--accent2));box-shadow:0 10px 22px rgba(255,106,0,.3)}
.step h3{margin:14px 0 8px;font-size:17px}
.step p{color:var(--muted);font-size:14.5px;margin:0}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;display:flex;flex-direction:column;transition:.24s}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow2)}
.plan.best{border:2px solid var(--accent);box-shadow:0 24px 50px rgba(255,106,0,.18)}
.plan .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,var(--accent),var(--accent2));color:#fff;font-size:12.5px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:18px;color:var(--ink2)}
.plan .price{font-size:38px;font-weight:800;letter-spacing:-1.5px;margin:8px 0 2px}
.plan .price i{font-style:normal;font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.plan .note{font-size:13px;color:var(--muted);margin-bottom:18px}
.plan ul{margin:0 0 24px;display:grid;gap:10px}
.plan li{font-size:14.5px;color:var(--ink2);padding-left:24px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal);font-weight:800}
.plan .btn{margin-top:auto}
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 22px;transition:.2s}
.faq details[open]{border-color:#ffd9c0;box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:17px 34px 17px 0;font-weight:700;font-size:16px;position:relative;outline:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;color:var(--accent);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 0 18px;color:var(--muted);font-size:14.8px}
.faq .ans p{margin:0}
.revs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.24s}
.rev:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.stars{color:#ffb020;letter-spacing:3px;font-size:14px;margin-bottom:10px}
.rev p{font-size:15px;color:var(--ink2);margin-bottom:18px}
.rev .who{display:flex;align-items:center;gap:11px}
.av{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff8a3d,#ff5f00);font-size:15px}
.rev .who b{display:block;font-size:14.5px}
.rev .who span{font-size:12.5px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:.24s}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow2);border-color:#ffd9c0}
.ncard .thumb{aspect-ratio:16/9;overflow:hidden;background:#eef1f8}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ncard:hover .thumb img{transform:scale(1.05)}
.ncard .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.ncard time{font-size:12.5px;color:var(--muted);letter-spacing:.3px}
.ncard h3{font-size:16.5px;line-height:1.55}
.ncard p{font-size:14px;color:var(--muted);margin:0;flex:1}
.ncard .more{font-size:13.5px;font-weight:700;color:var(--accent)}
.cta{position:relative;overflow:hidden;background:linear-gradient(120deg,#0b1024,#152046 65%,#1d2a55);color:#fff;border-radius:26px;padding:58px 46px;text-align:center}
.cta::before{content:"";position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;background:radial-gradient(circle,rgba(255,106,0,.32),transparent 65%);pointer-events:none}
.cta h2{font-size:34px;margin-bottom:12px;position:relative}
.cta p{color:rgba(255,255,255,.72);max-width:600px;margin:0 auto 26px;position:relative}
.cta .hero-btns{justify-content:center;margin:0;position:relative}
.foot{background:#060a14;color:rgba(255,255,255,.66);padding:56px 0 24px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.09)}
.foot h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.4px}
.foot ul{display:grid;gap:9px}
.foot a:hover{color:var(--accent2)}
.foot .about p{margin:14px 0 0;font-size:13.5px;line-height:1.8;max-width:300px}
.foot-bot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:rgba(255,255,255,.46)}
.foot-bot nav{display:flex;gap:18px;flex-wrap:wrap}
.top{position:fixed;right:22px;bottom:24px;width:44px;height:44px;border-radius:50%;background:rgba(255,106,0,.92);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(255,106,0,.3);z-index:50;font-size:18px;opacity:1;transition:.24s}
.top:hover{background:var(--accent);transform:translateY(-3px)}
.page-head{background:linear-gradient(160deg,#0b1024,#141d3c 70%,#1a2450);color:#fff;padding:126px 0 62px;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 82% 0,rgba(255,106,0,.28),transparent 60%)}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{font-size:40px;margin-bottom:12px;letter-spacing:-.8px}
.page-head p{color:rgba(255,255,255,.7);max-width:680px;margin:0}
.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.crumb a:hover{color:var(--accent2)}
.crumb span{color:rgba(255,255,255,.35)}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 314px;gap:44px;align-items:start;padding:56px 0 80px}
.article{font-size:16.5px;color:#232a42}
.article .meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px}
.article .meta b{color:var(--accent);font-weight:600}
.article figure{margin:0 0 26px}
.article figure img{width:100%;height:auto;border-radius:14px;box-shadow:var(--shadow)}
.article figcaption{font-size:12.5px;color:var(--muted);margin-top:9px;text-align:center}
.article h2{font-size:24px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--accent);scroll-margin-top:88px}
.article h3{font-size:18.5px;margin:24px 0 10px}
.article p{margin:0 0 18px;text-align:justify}
.article strong{color:#101a3a}
.article .quote{background:linear-gradient(120deg,#fff6ef,#fff);border-left:4px solid var(--accent2);border-radius:0 12px 12px 0;padding:16px 20px;font-size:15.5px;color:#3a3350;margin:0 0 20px}
.article .quote b{display:block;font-size:13px;color:var(--muted);font-style:normal;margin-top:8px;font-weight:500}
.article ul.bullets{list-style:none;margin:0 0 20px;display:grid;gap:9px}
.article ul.bullets li{position:relative;padding-left:24px;font-size:15.5px;color:#2b3350}
.article ul.bullets li::before{content:"▸";position:absolute;left:4px;top:0;color:var(--accent);font-weight:800}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 22px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.tbl thead th{background:#f7f9fd;font-size:13.5px;color:var(--ink2)}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl td b{color:var(--accent)}
.pager{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:34px 0 0;padding-top:24px;border-top:1px solid var(--line);font-size:14px}
.pager a{color:var(--ink2);font-weight:600;max-width:46%}
.pager a:hover{color:var(--accent)}
.pager .back{color:var(--accent)}
.comments{margin-top:44px}
.comments h2{font-size:22px;margin-bottom:18px}
.cmt{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed var(--line)}
.cmt:last-child{border-bottom:0}
.cmt .av{flex:0 0 40px}
.cmt .c-body b{font-size:14.5px;display:block}
.cmt .c-body time{font-size:12px;color:var(--muted)}
.cmt .c-body p{margin:7px 0 0;font-size:14.5px;color:#39415c}
.side{position:sticky;top:88px;display:grid;gap:18px}
.sbox{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 18px 20px;box-shadow:0 8px 22px rgba(14,20,40,.05)}
.sbox h3{font-size:15px;padding-left:11px;border-left:3px solid var(--accent);margin-bottom:14px;line-height:1.2}
.toc{position:relative;padding-left:16px}
.toc::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:#eef1f8;border-radius:2px}
.toc a{position:relative;display:block;padding:6px 0;font-size:13.8px;color:var(--muted);line-height:1.5}
.toc a::before{content:"";position:absolute;left:-15px;top:13px;width:8px;height:8px;border-radius:50%;background:#dfe4f0;border:2px solid #fff;box-shadow:0 0 0 1px #e2e7f2}
.toc a:hover{color:var(--accent)}
.toc a.on{color:var(--accent);font-weight:700}
.toc a.on::before{background:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.hot{display:grid;gap:11px}
.hot a{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--ink2);line-height:1.55}
.hot a:hover{color:var(--accent)}
.hot i{flex:0 0 20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:11.5px;font-weight:700;color:#fff;background:#c3cadb;transition:.2s}
.hot a:hover i{transform:scale(1.12)}
.hot a:nth-child(1) i{background:linear-gradient(135deg,#ff6a00,#ffa62b)}
.hot a:nth-child(2) i{background:linear-gradient(135deg,#ff8f2e,#ffc46b)}
.hot a:nth-child(3) i{background:linear-gradient(135deg,#e8b10a,#f7d356)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;padding:5px 11px;border-radius:999px;background:#f4f6fb;color:var(--muted);border:1px solid transparent;transition:.18s}
.tags a:hover{color:var(--accent);border-color:var(--accent);background:#fff8f2}
.dl-hero{padding:120px 0 70px;background:linear-gradient(160deg,#0a0f20,#121b38 70%,#1b2751);color:#fff;position:relative;overflow:hidden}
.dl-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(680px 360px at 80% 10%,rgba(255,106,0,.24),transparent 60%),radial-gradient(520px 360px at 8% 90%,rgba(18,214,182,.14),transparent 62%)}
.dl-hero .wrap{position:relative;z-index:2}
.dl-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}
.dl-hero h1{font-size:46px;margin-bottom:16px;letter-spacing:-1px}
.dl-hero .lead{margin-bottom:22px}
.dl-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:480px;margin-top:8px}
.dl-facts div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:13px;padding:12px 14px}
.dl-facts b{display:block;font-size:18px;color:#fff}
.dl-facts span{font-size:12.5px;color:rgba(255,255,255,.6)}
.vcard{display:grid;grid-template-columns:1.6fr 1fr 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin-bottom:14px;transition:.22s}
.vcard:hover{border-color:#ffd9c0;box-shadow:var(--shadow)}
.vcard h3{font-size:17px}
.vcard .vmeta{font-size:13px;color:var(--muted);margin-top:4px}
.vcard .vsize{font-size:14px;color:var(--ink2);font-weight:700}
.vcard .vsize span{display:block;font-size:12px;color:var(--muted);font-weight:400}
.vcard .btn{padding:11px 22px;font-size:14.5px}
.vlist{display:grid;gap:4px;font-size:13px;color:var(--muted)}
.req{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.req div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.req h3{font-size:15px;margin-bottom:6px;color:var(--ink2)}
.req p{font-size:14px;color:var(--muted);margin:0}
.prose{max-width:900px;margin:0 auto;padding:52px 0 76px;font-size:16px;color:#2b3350}
.prose h2{font-size:22px;margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--accent)}
.prose p{margin:0 0 16px}
.prose ul.bullets{list-style:none;display:grid;gap:9px;margin:0 0 18px}
.prose ul.bullets li{position:relative;padding-left:22px}
.prose ul.bullets li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.note{background:#fff7f0;border:1px solid #ffe0c7;border-radius:12px;padding:16px 20px;font-size:14px;color:#7a5a3a}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sitemap-cols h2{font-size:18px;margin-bottom:12px;color:var(--ink)}
.sitemap-cols ul{display:grid;gap:9px;font-size:14.5px;color:var(--muted)}
.sitemap-cols a:hover{color:var(--accent)}
.err{min-height:76vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(160deg,#0a0f20,#131c3a);color:#fff;padding:120px 20px 60px}
.err b{display:block;font-size:112px;line-height:1;font-weight:800;letter-spacing:-4px;background:linear-gradient(120deg,#ff6a00,#ffc46b);-webkit-background-clip:text;background-clip:text;color:transparent}
.err h1{font-size:28px;margin:10px 0 10px}
.err p{color:rgba(255,255,255,.66);margin-bottom:24px}
html.js .reveal{opacity:0;transform:translateY(20px);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){
.hero{padding:112px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:40px}
.demo{max-width:520px;margin:0 auto}
.nav{display:none}
.burger{display:flex}
.btn-dl.hdr{margin-left:auto}
.mpanel{display:block;position:fixed;top:68px;left:0;right:0;max-height:calc(100vh - 68px);overflow:auto;background:#0a1024;border-top:1px solid rgba(255,255,255,.08);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.22s;z-index:59}
#navtog:checked~.mpanel{transform:none;opacity:1;visibility:visible}
.mpanel .wrap{padding:14px 18px 26px;display:grid;gap:2px}
.mpanel details{border-bottom:1px solid rgba(255,255,255,.07)}
.mpanel summary,.mpanel a.mlink{display:flex;justify-content:space-between;align-items:center;padding:13px 4px;color:rgba(255,255,255,.9);font-size:15.5px;cursor:pointer;list-style:none}
.mpanel summary::-webkit-details-marker{display:none}
.mpanel .sub{display:grid;padding:0 0 10px 8px;gap:2px}
.mpanel .sub a{padding:9px 6px;font-size:14.2px;color:rgba(255,255,255,.66)}
.mpanel .btn{margin-top:14px}
.sec{padding:66px 0}
.sec-head h2{font-size:29px}
.g4,.g3{grid-template-columns:repeat(2,1fr)}
.band{grid-template-columns:repeat(2,1fr)}
.band div:nth-child(2){border-right:0}
.band div:nth-child(1),.band div:nth-child(2){border-bottom:1px solid var(--line)}
.nodes-wrap{grid-template-columns:1fr}
.plans,.revs,.news-grid,.steps{grid-template-columns:repeat(2,1fr)}
.steps.four{grid-template-columns:repeat(2,1fr)}
.plan.best{order:-1}
.foot-grid{grid-template-columns:1fr 1fr;gap:26px}
.article-wrap{grid-template-columns:1fr;gap:32px;padding:44px 0 64px}
.side{position:static;grid-template-columns:1fr 1fr;align-items:start}
.side .sbox:first-child{grid-column:1/-1}
.dl-grid{grid-template-columns:1fr;gap:38px}
.dl-hero h1{font-size:36px}
.vcard{grid-template-columns:1fr 1fr;gap:12px}
.vcard .vlist{grid-column:1/-1}
.vcard .btn{justify-self:start}
.req{grid-template-columns:repeat(2,1fr)}
.sitemap-cols{grid-template-columns:1fr 1fr}
.page-head{padding:112px 0 50px}
.page-head h1{font-size:32px}
}
@media (max-width:768px){
.hero h1{font-size:33px}
.lead{font-size:16px}
.hero-btns .btn{flex:1 1 auto;padding:12px 20px}
.stats{grid-template-columns:repeat(3,1fr);max-width:none}
.stats b{font-size:19px}
.sec-head h2{font-size:26px}
.g2,.g3,.g4{grid-template-columns:1fr}
.plans,.revs,.news-grid,.steps{grid-template-columns:1fr}
.steps.four{grid-template-columns:1fr}
.plan.best{order:0}
.cta{padding:42px 24px;border-radius:20px}
.cta h2{font-size:26px}
.foot-grid{grid-template-columns:1fr 1fr}
.article{font-size:16px}
.article h2{font-size:21px}
.article .meta{gap:10px}
.side{grid-template-columns:1fr}
.dial{width:190px;height:190px}
.hero .wrap{padding:0 18px}
.top{right:14px;bottom:16px}
.err b{font-size:84px}
}
@media (max-width:480px){
.wrap{padding:0 16px}
.hero{padding:104px 0 54px}
.hero h1{font-size:27px;letter-spacing:-.4px}
.badge{font-size:12px}
.hero-btns{flex-direction:column}
.hero-btns .btn{width:100%}
.stats{grid-template-columns:1fr 1fr;gap:8px}
.stats div:nth-child(3){grid-column:1/-1}
.sec{padding:52px 0}
.sec-head h2{font-size:23px}
.sec-head{margin-bottom:32px}
.band{grid-template-columns:1fr}
.band div{border-right:0;border-bottom:1px solid var(--line)}
.band div:last-child{border-bottom:0}
.demo{padding:15px;border-radius:20px}
.node-pick{grid-template-columns:repeat(2,1fr)}
.demo-metrics b{font-size:14px}
.foot-grid{grid-template-columns:1fr}
.dl-facts{grid-template-columns:1fr 1fr}
.vcard{grid-template-columns:1fr;padding:18px}
.req{grid-template-columns:1fr}
.page-head h1{font-size:26px}
.dl-hero h1{font-size:28px}
.err b{font-size:68px}
.article-wrap{gap:26px}
.tbl{font-size:13px}
.tbl th,.tbl td{padding:9px 10px}
}
.demo-metrics b span{display:inline}
.conn .t-on{display:none}