*{margin:0;padding:0;box-sizing:border-box}
:root{--c1:#2158ff;--c2:#00c2ff;--c3:#6ee7ff;--dark:#050b1e;--dark2:#0b1633;--txt:#0f1c3f;--mut:#5c6b8a;--line:#e6ecf8;--bg:#f5f8ff;--card:#fff;--ok:#16c784;--warn:#ffb020;--bad:#ff5c7a;--r:16px;--sh:0 10px 34px rgba(17,45,120,.10)}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;color:var(--txt);background:var(--bg);line-height:1.7;font-size:15px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}
.grad{background:linear-gradient(120deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:13px 30px;cursor:pointer;border:0;transition:.25s;white-space:nowrap}
.btn-main{background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;box-shadow:0 8px 24px rgba(33,88,255,.35)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(33,88,255,.5)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-light{background:#fff;color:var(--c1);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.btn-line{background:#fff;color:var(--c1);border:1px solid var(--c1)}
.btn-line:hover{background:#eef4ff}
.section{padding:88px 0}
.section-dark{background:var(--dark);color:#e8efff}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--c1);background:rgba(33,88,255,.08);border:1px solid rgba(33,88,255,.2);padding:6px 16px;border-radius:999px;margin-bottom:16px}
.sec-title{font-size:34px;line-height:1.3;font-weight:800;margin-bottom:14px}
.sec-sub{color:var(--mut);font-size:16px;max-width:640px;margin:0 auto 46px}
.center{text-align:center}
[id]{scroll-margin-top:96px}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;padding:16px 0;transition:.3s;background:transparent}
.nav.scrolled{background:rgba(5,11,30,.92);backdrop-filter:blur(14px);padding:10px 0;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:20px}
.logo img{height:38px;width:auto}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.88);font-size:15px;font-weight:600;padding:10px 14px;border-radius:10px;transition:.2s;cursor:pointer}
.nav-item>a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-item>a .arr{display:inline-block;transition:transform .3s;font-size:11px}
.nav-item:hover>a .arr{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:200px;background:#fff;border-radius:14px;box-shadow:0 16px 44px rgba(10,25,70,.18);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 16px;border-radius:9px;color:var(--txt);font-size:14px;font-weight:600;transition:.2s}
.dropdown a:hover{background:#eef4ff;color:var(--c1)}
.nav-right{display:flex;align-items:center;gap:14px}
.burger{display:none;width:42px;height:42px;border:0;background:rgba(255,255,255,.1);border-radius:10px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;background:radial-gradient(1000px 600px at 82% -10%,rgba(33,88,255,.55),transparent 60%),radial-gradient(800px 500px at -10% 30%,rgba(0,194,255,.25),transparent 55%),linear-gradient(160deg,#050b1e,#0a1a45);color:#fff;padding:170px 0 110px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(700px 500px at 60% 30%,#000 30%,transparent 75%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,194,255,.12);border:1px solid rgba(0,194,255,.35);color:var(--c3);border-radius:999px;padding:7px 18px;font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:22px}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);animation:blink 1.6s infinite}
.hero-title{font-size:48px;line-height:1.22;font-weight:900;margin-bottom:18px}
.hero-title em{font-style:normal;background:linear-gradient(120deg,#4d8bff,#00e0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:rgba(255,255,255,.72);max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:42px}
.hero-stats{display:flex;gap:44px;flex-wrap:wrap}
.stat b{font-size:30px;font-weight:900;display:block;line-height:1.1}
.stat b i{font-style:normal;font-size:18px;color:var(--c3)}
.stat span{font-size:13px;color:rgba(255,255,255,.6)}
.demo{background:rgba(10,22,52,.75);border:1px solid rgba(110,231,255,.22);border-radius:22px;backdrop-filter:blur(10px);box-shadow:0 30px 80px rgba(0,20,80,.5);overflow:hidden}
.demo-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.demo-dots{display:flex;gap:6px}
.demo-dots i{width:11px;height:11px;border-radius:50%;display:block}
.demo-dots i:nth-child(1){background:#ff5f57}.demo-dots i:nth-child(2){background:#febc2e}.demo-dots i:nth-child(3){background:#28c840}
.demo-state{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:1px}
.demo-body{padding:26px 24px}
.demo-node{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:12px 16px;margin-bottom:16px}
.demo-node .fl{display:flex;align-items:center;gap:10px}
.demo-node .flag{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;background:linear-gradient(135deg,rgba(33,88,255,.35),rgba(0,194,255,.35))}
.demo-node .nm{font-size:14px;font-weight:700}
.demo-node .ms{font-size:12px;color:var(--c3)}
.demo-node.sel{border-color:var(--c2);box-shadow:0 0 0 3px rgba(0,194,255,.15)}
.demo-gauge{display:flex;align-items:center;justify-content:center;gap:34px;padding:18px 0 22px;flex-wrap:wrap}
.gauge{position:relative;width:150px;height:150px}
.gauge svg{transform:rotate(-90deg)}
.gauge .track{fill:none;stroke:rgba(255,255,255,.1);stroke-width:11}
.gauge .bar{fill:none;stroke:url(#gg);stroke-width:11;stroke-linecap:round;stroke-dasharray:339;stroke-dashoffset:339;transition:stroke-dashoffset 1s ease}
.gauge .val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .val b{font-size:30px;font-weight:900}
.gauge .val span{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:1px}
.gauge.on .bar{stroke-dashoffset:66;animation:spin2 2.4s linear infinite}
.gauge.on .ring{animation:spin3 2.4s linear infinite;transform-origin:center}
.demo-metrics{display:grid;gap:14px;min-width:170px}
.metric{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:13px;color:rgba(255,255,255,.6)}
.metric b{font-size:17px;color:#fff;font-variant-numeric:tabular-nums}
.metric .bar{flex:1;height:5px;background:rgba(255,255,255,.12);border-radius:4px;overflow:hidden}
.metric .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--c1),var(--c2));border-radius:4px;width:0;transition:width 1s ease}
.demo-toggle{display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.05);border-radius:12px;padding:11px 16px;margin-bottom:10px;font-size:13px;color:rgba(255,255,255,.75)}
.switch{position:relative;width:44px;height:24px;border-radius:999px;background:rgba(255,255,255,.18);cursor:pointer;transition:.3s;border:0}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.3s}
.switch.on{background:linear-gradient(90deg,var(--c1),var(--c2))}
.switch.on::after{left:23px}
.demo-connect{width:100%;border:0;border-radius:14px;padding:15px;font-size:16px;font-weight:800;color:#fff;background:linear-gradient(120deg,var(--c1),var(--c2));cursor:pointer;transition:.25s;letter-spacing:2px}
.demo-connect:hover{box-shadow:0 10px 28px rgba(33,88,255,.45)}
.demo-connect.connected{background:linear-gradient(120deg,#ff5c7a,#ff9a3d)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:.3s;position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:rgba(33,88,255,.3)}
.feature-card .ico{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg,rgba(33,88,255,.12),rgba(0,194,255,.12));margin-bottom:18px}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--mut)}
.feature-card .num{position:absolute;top:14px;right:18px;font-size:40px;font-weight:900;color:rgba(33,88,255,.06)}
.speed-strip{background:linear-gradient(120deg,var(--c1),var(--c2));border-radius:22px;padding:40px 44px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px}
.speed-strip .it b{font-size:34px;font-weight:900;color:#fff;display:block}
.speed-strip .it span{font-size:13px;color:rgba(255,255,255,.82)}
.nodes-block{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.node-list li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14)}
.node-list li:last-child{border-bottom:0}
.node-list .fl{width:36px;height:36px;border-radius:10px;background:rgba(0,194,255,.14);display:flex;align-items:center;justify-content:center;font-size:16px}
.node-list .nm{font-weight:700;font-size:14px}
.node-list .ms{margin-left:auto;color:var(--c3);font-size:13px;font-variant-numeric:tabular-nums}
.node-vis{background:rgba(255,255,255,.04);border:1px solid rgba(110,231,255,.2);border-radius:22px;padding:30px;text-align:center}
.node-vis .ring{width:210px;height:210px;margin:0 auto 18px;border-radius:50%;background:conic-gradient(var(--c2) 0 35%,var(--c1) 35% 70%,var(--c3) 70% 100%);animation:spin3 14s linear infinite;display:flex;align-items:center;justify-content:center}
.node-vis .ring i{width:150px;height:150px;border-radius:50%;background:var(--dark);display:flex;flex-direction:column;align-items:center;justify-content:center;font-style:normal}
.node-vis .ring b{font-size:34px;font-weight:900;color:#fff}
.node-vis .ring span{font-size:12px;color:rgba(255,255,255,.6)}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scenario-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:.3s;position:relative}
.scenario-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.scenario-card .ico{font-size:32px;margin-bottom:16px}
.scenario-card h3{font-size:18px;margin-bottom:10px}
.scenario-card p{font-size:14px;color:var(--mut)}
.scenario-card .go{position:absolute;top:22px;right:22px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--c1);transition:.25s}
.scenario-card:hover .go{background:var(--c1);color:#fff;border-color:var(--c1)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px 28px;position:relative;transition:.3s}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.step-card::before{counter-increment:step;content:counter(step);position:absolute;top:-18px;left:26px;width:46px;height:46px;border-radius:14px;background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(33,88,255,.4)}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--mut)}
.pricing-toggle{display:inline-flex;align-items:center;gap:14px;background:#eef2fc;border-radius:999px;padding:6px;margin-bottom:44px}
.pricing-toggle button{border:0;background:transparent;padding:9px 24px;border-radius:999px;font-size:14px;font-weight:700;color:var(--mut);cursor:pointer;transition:.25s}
.pricing-toggle button.on{background:#fff;color:var(--c1);box-shadow:0 4px 12px rgba(17,45,120,.12)}
.pricing-toggle .save{background:var(--bad);color:#fff;font-size:11px;border-radius:999px;padding:2px 10px;margin-left:6px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:36px 30px;display:flex;flex-direction:column;position:relative;transition:.3s}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.price-card.popular{border:2px solid var(--c1);box-shadow:0 18px 46px rgba(33,88,255,.18);transform:scale(1.03)}
.price-card.popular:hover{transform:scale(1.03) translateY(-6px)}
.price-card .badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;padding:5px 18px;border-radius:999px;white-space:nowrap}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-card .tip{font-size:13px;color:var(--mut);margin-bottom:22px}
.price-num{font-size:46px;font-weight:900;line-height:1}
.price-num small{font-size:15px;color:var(--mut);font-weight:600}
.price-num .per{font-size:13px;color:var(--mut);font-weight:400}
.price-feats{margin:26px 0;display:grid;gap:12px}
.price-feats li{display:flex;gap:10px;font-size:14px;color:#33415f}
.price-feats li::before{content:"✓";color:var(--ok);font-weight:900}
.price-card .btn{width:100%;margin-top:auto}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:700;cursor:pointer}
.faq-q .plus{width:26px;height:26px;border-radius:8px;background:#eef4ff;color:var(--c1);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:400;transition:.3s;flex-shrink:0}
.faq-item.open .plus{transform:rotate(45deg);background:var(--c1);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a .inner{padding:0 24px 22px;color:var(--mut);font-size:14px}
.faq-a ol{margin-top:10px;display:grid;gap:6px;list-style:none}
.faq-a ol li::before{content:"●";color:var(--c1);margin-right:8px;font-size:10px;vertical-align:2px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;transition:.3s}
.testi-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.testi-card .stars{color:#ffb020;letter-spacing:3px;margin-bottom:14px;font-size:15px}
.testi-card .text{font-size:14px;color:#33415f;margin-bottom:20px}
.testi-card .who{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;flex-shrink:0}
.testi-card .who b{font-size:14px;display:block}
.testi-card .who span{font-size:12px;color:var(--mut)}
.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(--r);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.news-card .pic{aspect-ratio:16/9;overflow:hidden;position:relative}
.news-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .pic img{transform:scale(1.08)}
.news-card .cat{position:absolute;left:14px;top:14px;background:rgba(5,11,30,.72);color:#fff;font-size:12px;padding:4px 12px;border-radius:999px;backdrop-filter:blur(6px)}
.news-card .bd{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-size:16px;line-height:1.5;margin-bottom:10px;transition:.2s}
.news-card:hover h3{color:var(--c1)}
.news-card p{font-size:13px;color:var(--mut);margin-bottom:16px;flex:1}
.news-card .meta{display:flex;justify-content:space-between;font-size:12px;color:var(--mut)}
.cta{background:radial-gradient(700px 400px at 80% 0%,rgba(0,194,255,.35),transparent 60%),linear-gradient(150deg,#08123a,#0c1e58);border-radius:26px;padding:70px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta h2{font-size:34px;font-weight:900;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.7);margin-bottom:32px;font-size:16px}
.footer{background:var(--dark);color:rgba(255,255,255,.68);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer .logo{margin-bottom:16px}
.footer .about{font-size:13px;max-width:300px;line-height:1.8}
.footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer a{display:block;font-size:13px;padding:6px 0;transition:.2s}
.footer a:hover{color:var(--c3)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:12px;text-align:center;color:rgba(255,255,255,.45)}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);margin:0 0 18px;flex-wrap:wrap}
.crumbs a{color:var(--c1)}
.crumbs b{color:var(--txt);font-weight:600}
.page-hero{background:radial-gradient(800px 400px at 80% -20%,rgba(33,88,255,.5),transparent 60%),linear-gradient(160deg,#050b1e,#0a1a45);color:#fff;padding:140px 0 70px;text-align:center}
.page-hero h1{font-size:40px;font-weight:900;margin-bottom:14px}
.page-hero p{color:rgba(255,255,255,.7);max-width:640px;margin:0 auto;font-size:16px}
.dl-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:80px 0}
.dl-meta{display:flex;gap:34px;margin:28px 0 34px;flex-wrap:wrap}
.dl-meta .it b{font-size:22px;font-weight:900;display:block;color:var(--c1)}
.dl-meta .it span{font-size:12px;color:var(--mut)}
.ver-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;align-items:center;gap:22px;margin-bottom:18px;transition:.3s;flex-wrap:wrap}
.ver-card:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.ver-card .vtag{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,rgba(33,88,255,.1),rgba(0,194,255,.1));display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0}
.ver-card .vtag b{font-size:13px;color:var(--c1)}
.ver-card .vtag span{font-size:11px;color:var(--mut)}
.ver-card .info{flex:1;min-width:200px}
.ver-card .info h3{font-size:17px;margin-bottom:6px}
.ver-card .info p{font-size:13px;color:var(--mut)}
.ver-card .perks{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#33415f}
.ver-card .perks li::before{content:"✓";color:var(--ok);font-weight:900;margin-right:5px}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sys-item{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;display:flex;gap:14px;align-items:flex-start}
.sys-item .ico{font-size:22px}
.sys-item b{display:block;font-size:15px;margin-bottom:4px}
.sys-item span{font-size:13px;color:var(--mut)}
.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.install-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 22px;text-align:center;transition:.3s;position:relative}
.install-card:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.install-card .n{width:40px;height:40px;margin:0 auto 14px;border-radius:12px;background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:17px}
.install-card h3{font-size:16px;margin-bottom:8px}
.install-card p{font-size:13px;color:var(--mut)}
.article-wrap{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;padding:60px 0 90px}
.article{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:44px 48px;min-width:0}
.article h1{font-size:30px;line-height:1.45;margin-bottom:20px}
.article-meta{display:flex;align-items:center;gap:16px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:26px;font-size:13px;color:var(--mut);flex-wrap:wrap}
.article-meta .tag{background:rgba(33,88,255,.08);color:var(--c1);padding:4px 14px;border-radius:999px;font-weight:700}
.article .cover{margin-bottom:28px;border-radius:16px;overflow:hidden}
.article h2{font-size:22px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c1);line-height:1.4}
.article p{font-size:15.5px;color:#2c3a5c;margin-bottom:18px;text-align:justify}
.article .bodyimg{margin:26px 0;border-radius:16px;overflow:hidden}
.article blockquote{border-left:4px solid var(--c2);background:#f2f7ff;padding:18px 22px;border-radius:0 14px 14px 0;margin:22px 0;font-size:14.5px;color:#33415f}
.article blockquote b{color:var(--c1)}
.article .data-box{background:linear-gradient(135deg,#f2f7ff,#eaf7ff);border:1px solid #d8e8ff;border-radius:16px;padding:22px 26px;margin:24px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;text-align:center}
.article .data-box b{font-size:24px;font-weight:900;color:var(--c1);display:block}
.article .data-box span{font-size:12px;color:var(--mut)}
.article .end{margin-top:34px;padding:24px;background:linear-gradient(120deg,rgba(33,88,255,.06),rgba(0,194,255,.08));border-radius:16px;text-align:center}
.article .end p{font-size:14px;color:#33415f;margin-bottom:14px}
.article-nav{display:flex;justify-content:space-between;gap:14px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.article-nav a{font-size:14px;color:var(--c1);font-weight:600}
.article-nav a:hover{text-decoration:underline}
.side{position:sticky;top:96px;display:grid;gap:22px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 26px rgba(17,45,120,.06)}
.side-card>h3{font-size:16px;font-weight:800;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--c1);line-height:1.3}
.toc li{margin-bottom:2px}
.toc a{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;color:#33415f;padding:8px 0;position:relative;transition:.2s;line-height:1.5}
.toc a::before{content:"";width:9px;height:9px;border-radius:50%;background:#d4def5;flex-shrink:0;margin-top:5px;transition:.25s;box-shadow:0 0 0 3px transparent}
.toc li+li a::after{content:"";position:absolute;left:4px;top:-8px;bottom:50%;width:1px;background:#e3eaf8}
.toc a.active{color:var(--c1);font-weight:800}
.toc a.active::before{background:var(--c1);box-shadow:0 0 0 3px rgba(33,88,255,.18)}
.rank-list li{margin-bottom:4px}
.rank-list a{display:flex;align-items:center;gap:12px;padding:9px 8px;border-radius:10px;font-size:13.5px;line-height:1.5;color:#33415f;transition:.2s}
.rank-list a:hover{background:#f2f7ff}
.rank-list a:hover span{color:var(--c1)}
.rank-list .rk{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900;color:#fff;flex-shrink:0;background:#c6d0e4;transition:.25s}
.rank-list li:nth-child(1) .rk{background:linear-gradient(135deg,var(--c1),var(--c2))}
.rank-list li:nth-child(2) .rk{background:linear-gradient(135deg,#ff9a3d,#ff6a00)}
.rank-list li:nth-child(3) .rk{background:linear-gradient(135deg,#ffd76a,#ffb020)}
.rank-list a:hover .rk{transform:scale(1.15)}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags a{font-size:12.5px;color:var(--mut);background:#f2f6fd;border:1px solid transparent;border-radius:999px;padding:7px 16px;transition:.2s}
.tags a:hover{color:var(--c1);border-color:var(--c1);background:#fff}
.comments{margin-top:40px}
.comments>h3{font-size:18px;font-weight:800;margin-bottom:20px;padding-left:12px;border-left:4px solid var(--c1)}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0}
.comment .avatar{width:42px;height:42px;font-size:16px}
.comment .bd{flex:1}
.comment .hd{display:flex;align-items:center;gap:12px;margin-bottom:6px;flex-wrap:wrap}
.comment .hd b{font-size:14px}
.comment .hd span{font-size:12px;color:var(--mut)}
.comment p{font-size:14px;color:#33415f;margin:0;text-align:left}
.related{margin-top:48px}
.related>h3{font-size:20px;font-weight:800;margin-bottom:20px;padding-left:12px;border-left:4px solid var(--c1)}
.related .news-grid{grid-template-columns:repeat(3,1fr)}
.nf{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(700px 500px at 50% 0%,rgba(33,88,255,.4),transparent 60%),linear-gradient(160deg,#050b1e,#0a1a45);color:#fff;text-align:center;padding:40px 20px}
.nf .code{font-size:120px;font-weight:900;line-height:1;background:linear-gradient(120deg,#4d8bff,#00e0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.nf h1{font-size:28px;margin:18px 0 12px}
.nf p{color:rgba(255,255,255,.65);margin-bottom:30px}
.nf .bar{width:220px;height:5px;background:rgba(255,255,255,.15);border-radius:4px;overflow:hidden;margin:0 auto 22px}
.nf .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--c1),var(--c2));animation:countdown 3s linear forwards}
.smap-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.smap-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.smap-card h3{font-size:16px;margin-bottom:12px;color:var(--c1)}
.smap-card a{display:block;font-size:14px;color:#33415f;padding:6px 0;transition:.2s}
.smap-card a:hover{color:var(--c1);padding-left:6px}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes spin2{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes spin3{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes countdown{from{width:100%}to{width:0}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
html.js .reveal{opacity:0}html.js .reveal.in{animation:fadeUp .7s ease forwards}
@media (max-width:992px){
.hero{padding:130px 0 80px}
.hero-grid{grid-template-columns:1fr;gap:44px}
.hero-title{font-size:38px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.scenario-grid{grid-template-columns:repeat(2,1fr)}
.news-grid{grid-template-columns:repeat(2,1fr)}
.testi-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
.price-card.popular{transform:none}
.price-card.popular:hover{transform:translateY(-6px)}
.nodes-block{grid-template-columns:1fr}
.speed-strip{grid-template-columns:repeat(2,1fr)}
.dl-layout{grid-template-columns:1fr;gap:40px;padding:60px 0}
.sys-grid{grid-template-columns:repeat(2,1fr)}
.install-steps{grid-template-columns:repeat(2,1fr)}
.article-wrap{grid-template-columns:1fr}
.side{position:static;grid-template-columns:1fr 1fr}
.related .news-grid{grid-template-columns:repeat(2,1fr)}
.nav-menu{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#0a1630;flex-direction:column;align-items:stretch;gap:4px;padding:90px 20px 30px;transition:right .35s;overflow-y:auto;box-shadow:-20px 0 60px rgba(0,0,0,.4)}
.nav-menu.open{right:0}
.nav-item>a{justify-content:space-between;padding:13px 16px}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;display:none;margin:4px 0 6px}
.dropdown.open{display:block}
.dropdown a{color:rgba(255,255,255,.8)}
.dropdown a:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-item:hover>a .arr{transform:none}
.nav-item>a .arr.rot{transform:rotate(180deg)}
.burger{display:flex}
.nav-cta{display:none}
.footer-grid{grid-template-columns:1fr 1fr}
.smap-list{grid-template-columns:repeat(2,1fr)}
.article{padding:32px 26px}
.article .data-box{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
.section{padding:64px 0}
.sec-title{font-size:26px}
.hero-title{font-size:32px}
.features-grid{grid-template-columns:1fr}
.scenario-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.testi-grid{grid-template-columns:1fr}
.steps{grid-template-columns:1fr}
.sys-grid{grid-template-columns:1fr}
.install-steps{grid-template-columns:1fr}
.side{grid-template-columns:1fr}
.related .news-grid{grid-template-columns:1fr}
.smap-list{grid-template-columns:1fr}
.speed-strip{grid-template-columns:1fr 1fr;padding:30px 26px;gap:18px}
.speed-strip .it b{font-size:26px}
.cta{padding:52px 24px}
.cta h2{font-size:26px}
.page-hero h1{font-size:30px}
.demo-metrics{min-width:100%}
.demo-gauge{flex-direction:column}
.footer-grid{grid-template-columns:1fr;gap:28px}
.hero-stats{gap:26px}
.stat b{font-size:24px}
}
@media (max-width:480px){
.container{width:94%}
.hero-title{font-size:27px}
.hero-sub{font-size:15px}
.btn{padding:12px 24px;font-size:14px}
.hero-btns .btn{width:100%}
.speed-strip{grid-template-columns:1fr}
.article{padding:26px 18px;border-radius:16px}
.article h1{font-size:23px}
.article h2{font-size:19px}
.article .data-box{grid-template-columns:1fr 1fr;padding:16px}
.article .data-box b{font-size:20px}
.nav-menu{width:280px}
.demo-body{padding:20px 16px}
.ver-card{padding:20px}
.ver-card .perks{display:none}
.dl-meta{gap:22px}
.nf .code{font-size:90px}
}