*{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",Arial,sans-serif;background:#070b18;color:#e6eaf3;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:root{--bg:#070b18;--bg2:#0d1428;--card:#101a33;--card2:#131f3d;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);--txt:#e6eaf3;--mut:#93a0b8;--blue:#3b82f6;--cyan:#22d3ee;--grad:linear-gradient(135deg,#3b82f6,#22d3ee);--grad2:linear-gradient(135deg,#2563eb,#0891b2);--radius:18px;--shadow:0 20px 50px -20px rgba(0,0,0,.6)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:90px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#22d3ee;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);padding:6px 16px;border-radius:99px;margin-bottom:18px}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.sec-head p{color:var(--mut);margin-top:16px;font-size:16px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:13px 28px;border-radius:12px;transition:.25s;white-space:nowrap}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-primary{background:var(--grad);color:#04121f;box-shadow:0 12px 30px -10px rgba(34,211,238,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(34,211,238,.65)}
.btn-ghost{border:1.5px solid var(--line2);color:var(--txt);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:#22d3ee;color:#22d3ee;background:rgba(34,211,238,.06)}
.btn-white{background:#fff;color:#0b1226}
.btn-white:hover{transform:translateY(-2px)}
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.icon-box{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--grad);font-size:24px;color:#04121f;flex:none;box-shadow:0 10px 24px -10px rgba(34,211,238,.5)}
.icon-box svg{width:26px;height:26px}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.35s;background:rgba(7,11,24,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,11,24,.88);border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em}
.brand img{width:36px;height:36px;border-radius:9px}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--mut);letter-spacing:.08em}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:6px;padding:10px 14px;font-size:15px;font-weight:600;color:#cbd5e6;border-radius:9px;transition:.2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link .arr{font-size:11px;transition:.3s}
.nav-item:hover .arr{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%,12px);min-width:230px;background:#fff;border-radius:16px;box-shadow:0 24px 60px -20px rgba(0,0,0,.6);padding:8px;opacity:0;visibility:hidden;transition:.25s;z-index:50}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}
.dropdown a{display:flex;flex-direction:column;padding:11px 14px;border-radius:10px;color:#1e293b;font-size:14px;font-weight:600;transition:.15s}
.dropdown a:hover{background:#eff6ff;color:#2563eb}
.dropdown a small{font-weight:500;color:#64748b;font-size:12px;margin-top:2px}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.hamb{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line2);border-radius:10px;margin-left:auto}
.hamb span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.hamb.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamb.open span:nth-child(2){opacity:0}
.hamb.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;padding:170px 0 110px;background:radial-gradient(1000px 500px at 80% -10%,rgba(34,211,238,.18),transparent 60%),radial-gradient(800px 500px at 10% 10%,rgba(59,130,246,.16),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,58px);font-weight:900;line-height:1.1;letter-spacing:-.02em}
.hero .sub{margin:22px 0 30px;font-size:18px;color:var(--mut);max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.stat .num{font-size:32px;font-weight:900;color:#fff}
.stat .num i{font-style:normal;color:#22d3ee}
.stat .lab{font-size:13px;color:var(--mut);margin-top:2px}
.simulator{position:relative}
.sim{background:linear-gradient(160deg,#0f1830,#0a1122);border:1px solid var(--line2);border-radius:24px;padding:20px;box-shadow:var(--shadow);max-width:440px;margin-left:auto}
.sim-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.sim-avatar{width:42px;height:42px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#04121f}
.sim-head .t{font-weight:700}
.sim-head .s{font-size:12px;color:#22d3ee;display:flex;align-items:center;gap:5px}
.sim-head .s::before{content:"";width:7px;height:7px;border-radius:50%;background:#22d3ee;box-shadow:0 0 8px #22d3ee}
.sim-body{height:280px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding-right:4px}
.msg{max-width:78%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.5}
.msg.in{align-self:flex-start;background:#16223f;border-bottom-left-radius:4px}
.msg.out{align-self:flex-end;background:var(--grad);color:#04121f;border-bottom-right-radius:4px;font-weight:600}
.msg .lock{display:inline-flex;align-items:center;gap:4px;font-size:10px;opacity:.75;margin-bottom:3px}
.sim-input{display:flex;gap:8px;margin-top:14px}
.sim-input input{flex:1;background:#0c1526;border:1px solid var(--line2);border-radius:10px;padding:11px 14px;color:#fff;font-size:14px;outline:none}
.sim-input input:focus{border-color:#22d3ee}
.sim-input button{background:var(--grad);color:#04121f;border-radius:10px;width:46px;font-size:18px;flex:none}
.sim-badge{position:absolute;top:-16px;right:-10px;background:#0f1b36;border:1px solid rgba(34,211,238,.4);border-radius:12px;padding:9px 14px;font-size:12px;color:#7dd3fc;display:flex;align-items:center;gap:6px;box-shadow:var(--shadow)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;position:relative;transition:.3s}
.step-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.4)}
.step-card .n{position:absolute;top:20px;right:24px;font-size:56px;font-weight:900;color:rgba(34,211,238,.12)}
.step-card h3{font-size:20px;margin:20px 0 10px}
.step-card p{color:var(--mut);font-size:15px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.3s}
.feat-card:hover{transform:translateY(-6px);border-color:rgba(59,130,246,.45);background:var(--card2)}
.feat-card h3{font-size:19px;margin:20px 0 10px}
.feat-card p{color:var(--mut);font-size:14.5px}
.data-band{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:60px}
.data-item{text-align:center;padding:26px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line)}
.data-item .num{font-size:36px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.data-item .lab{color:var(--mut);font-size:14px;margin-top:6px}
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.node{display:flex;align-items:center;gap:12px;padding:16px;border-radius:14px;background:var(--card);border:1px solid var(--line);transition:.25s}
.node:hover{border-color:rgba(34,211,238,.45)}
.node .dot{width:10px;height:10px;border-radius:50%;background:#22d3ee;box-shadow:0 0 10px #22d3ee;flex:none}
.node .n{font-weight:700;font-size:14px}
.node .d{font-size:12px;color:var(--mut)}
.scen-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scen-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.3s}
.scen-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.4)}
.scen-card h3{font-size:19px;margin:20px 0 10px}
.scen-card p{color:var(--mut);font-size:14.5px}
.proto{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:10px 0}
.proto span{padding:12px 22px;border-radius:99px;border:1px solid var(--line2);font-weight:600;font-size:14px;color:#cbd5e6;background:rgba(255,255,255,.02);transition:.25s}
.proto span:hover{border-color:#22d3ee;color:#22d3ee;background:rgba(34,211,238,.08)}
.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:38px 30px;display:flex;flex-direction:column;position:relative;transition:.3s}
.price-card:hover{transform:translateY(-6px)}
.price-card.hot{background:linear-gradient(160deg,#12203f,#0c1730);border:1.5px solid rgba(34,211,238,.6);box-shadow:0 30px 60px -25px rgba(34,211,238,.4)}
.price-card .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#04121f;font-size:12px;font-weight:800;padding:5px 16px;border-radius:99px;letter-spacing:.04em}
.price-card .name{font-size:18px;font-weight:700;color:var(--mut)}
.price-card .amount{font-size:44px;font-weight:900;margin:14px 0 4px}
.price-card .amount small{font-size:15px;font-weight:500;color:var(--mut)}
.price-card .per{font-size:13px;color:var(--mut);margin-bottom:24px}
.price-card ul{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1}
.price-card ul li{display:flex;gap:9px;font-size:14.5px;color:#cbd5e6;align-items:flex-start}
.price-card ul li::before{content:"✓";color:#22d3ee;font-weight:800;flex:none}
.faq{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;font-size:16px;font-weight:700;text-align:left;color:var(--txt)}
.faq-q .pm{font-size:20px;color:#22d3ee;flex:none;transition:.3s}
.faq-item.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.35s ease}
.faq-item.open .faq-a{max-height:600px}
.faq-a-in{padding:0 24px 22px;color:var(--mut);font-size:14.5px}
.faq-a-in ol{margin:8px 0 0 18px;display:flex;flex-direction:column;gap:4px}
.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;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.4)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#0b1426}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .meta{padding:20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-card .date{font-size:12px;color:var(--mut)}
.news-card h3{font-size:17px;line-height:1.4}
.news-card p{font-size:13.5px;color:var(--mut);flex:1}
.news-card .more{font-size:13px;font-weight:700;color:#22d3ee}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.testi .stars{color:#fbbf24;font-size:16px;letter-spacing:2px;margin-bottom:14px}
.testi p{color:#cbd5e6;font-size:15px;margin-bottom:20px}
.testi .who{display:flex;align-items:center;gap:12px}
.testi .av{width:44px;height:44px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:800;color:#04121f;font-size:16px}
.testi .who b{display:block;font-size:14px}
.testi .who span{font-size:12px;color:var(--mut)}
.cta{background:radial-gradient(800px 400px at 50% 0%,rgba(34,211,238,.2),transparent 60%),linear-gradient(160deg,#0d1830,#070b18);border-radius:28px;padding:70px 40px;text-align:center;border:1px solid var(--line2)}
.cta h2{font-size:clamp(28px,4vw,44px);font-weight:900}
.cta p{color:var(--mut);margin:16px auto 30px;max-width:520px}
.footer{background:#05080f;border-top:1px solid var(--line);padding:60px 0 0;margin-top:90px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer .brand{font-size:17px}
.footer .about{color:var(--mut);font-size:14px;margin-top:14px;max-width:300px}
.footer h4{font-size:15px;margin-bottom:18px}
.footer .col a{display:block;color:var(--mut);font-size:14px;padding:6px 0;transition:.2s}
.footer .col a:hover{color:#22d3ee}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--mut)}
.dl-hero{padding:150px 0 90px;background:radial-gradient(1000px 500px at 80% -10%,rgba(34,211,238,.16),transparent 60%)}
.dl-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dl-grid h1{font-size:clamp(30px,4.5vw,50px);font-weight:900;line-height:1.15}
.dl-grid .sub{margin:20px 0 28px;font-size:17px;color:var(--mut);max-width:500px}
.dl-meta{display:flex;gap:28px;margin-top:38px;flex-wrap:wrap}
.dl-meta div{font-size:13px;color:var(--mut)}
.dl-meta b{display:block;font-size:18px;color:#fff;font-weight:800}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px 28px;display:flex;flex-direction:column;transition:.3s}
.ver-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.4)}
.ver-card .os{font-size:15px;font-weight:700;color:#22d3ee;text-transform:uppercase;letter-spacing:.08em}
.ver-card h3{font-size:22px;margin:12px 0 6px}
.ver-card .ver{font-size:13px;color:var(--mut);margin-bottom:20px}
.ver-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:26px;flex:1}
.ver-card ul li{display:flex;gap:9px;font-size:14px;color:#cbd5e6;align-items:flex-start}
.ver-card ul li::before{content:"✓";color:#22d3ee;font-weight:800;flex:none}
.ver-card.disabled{opacity:.55}
.ver-card.disabled .btn{background:var(--card2);color:var(--mut);border:1px solid var(--line2);cursor:not-allowed}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sys-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.sys-item b{display:block;font-size:13px;color:var(--mut);margin-bottom:6px}
.sys-item span{font-size:15px;font-weight:700}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.article-head{background:radial-gradient(900px 400px at 50% 0%,rgba(34,211,238,.14),transparent 60%);padding:140px 0 40px;text-align:center}
.article-head h1{font-size:clamp(26px,4vw,42px);font-weight:900;max-width:820px;margin:0 auto;line-height:1.3}
.article-head .m{color:var(--mut);font-size:14px;margin-top:18px;display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.article-head .m span{display:flex;align-items:center;gap:6px}
.crumb{max-width:860px;margin:0 auto;padding:0 24px;font-size:13px;color:var(--mut)}
.crumb a:hover{color:#22d3ee}
.article-body{max-width:860px;margin:0 auto;padding:20px 24px 60px}
.article-body .cover{border-radius:20px;overflow:hidden;margin-bottom:30px;aspect-ratio:16/9}
.article-body .cover img{width:100%;height:100%;object-fit:cover}
.article-body h2{font-size:26px;font-weight:800;margin:36px 0 14px}
.article-body p{color:#c7d0e0;font-size:16px;margin-bottom:18px;line-height:1.9}
.article-body figure{margin:22px 0;border-radius:16px;overflow:hidden}
.article-body figure img{width:100%}
.article-body figure figcaption{font-size:13px;color:var(--mut);text-align:center;padding:10px;background:var(--card)}
.article-body blockquote{border-left:4px solid #22d3ee;background:var(--card);padding:20px 24px;border-radius:0 12px 12px 0;margin:24px 0;color:#a5f3fc;font-size:15px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:50px;padding-top:26px;border-top:1px solid var(--line)}
.article-nav a{display:flex;flex-direction:column;gap:4px;padding:14px 18px;border:1px solid var(--line);border-radius:12px;transition:.2s;flex:1}
.article-nav a:hover{border-color:#22d3ee}
.article-nav a small{color:var(--mut);font-size:12px}
.article-nav a span{font-weight:700;font-size:14px;line-height:1.4}
.article-nav a.next{text-align:right}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:90px}
.sitemap{max-width:900px;margin:0 auto;padding:140px 24px 80px}
.sitemap h1{font-size:34px;font-weight:900;text-align:center;margin-bottom:50px}
.sitemap .group{margin-bottom:34px}
.sitemap .group h2{font-size:20px;color:#22d3ee;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.sitemap .group ul{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sitemap .group ul a{display:block;padding:12px 16px;background:var(--card);border:1px solid var(--line);border-radius:10px;font-size:14px;transition:.2s}
.sitemap .group ul a:hover{border-color:#22d3ee;color:#22d3ee}
.err404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:radial-gradient(700px 400px at 50% 30%,rgba(34,211,238,.15),transparent 60%)}
.err404 .code{font-size:130px;font-weight:900;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.err404 h1{font-size:28px;margin:10px 0 14px}
.err404 p{color:var(--mut);margin-bottom:30px}
@media (max-width:992px){.nav-menu{position:fixed;top:72px;left:0;right:0;background:#0a1020;flex-direction:column;align-items:stretch;gap:0;padding:16px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.3s;max-height:80vh;overflow-y:auto}
.nav-menu.open{transform:none}
.nav-item{width:100%}
.nav-link{justify-content:space-between;padding:14px 12px;font-size:16px}
.dropdown{position:static;transform:none;opacity:1;visibility:visible;background:rgba(255,255,255,.04);box-shadow:none;margin:4px 0 8px;display:none;padding:4px}
.nav-item.mob-open .dropdown{display:block}
.dropdown a{color:#cbd5e6}
.dropdown a:hover{background:rgba(255,255,255,.06)}
.nav-cta{display:none}
.hamb{display:flex}
.hero-grid,.dl-grid{grid-template-columns:1fr;gap:40px}
.sim{max-width:100%}
.hero{padding-top:140px}
.feat-grid,.scen-grid,.news-grid,.testi-grid,.ver-grid,.news-list-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid{grid-template-columns:1fr}
.sys-grid{grid-template-columns:repeat(2,1fr)}
.steps4{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){.sec{padding:60px 0}
.data-grid,.node-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:1fr}
.price-card.hot{transform:none}
.footer-grid{grid-template-columns:1fr}
.hero-stats,.dl-meta{gap:22px}
}
@media (max-width:480px){.wrap{padding:0 16px}
.feat-grid,.scen-grid,.news-grid,.testi-grid,.ver-grid,.news-list-grid,.sys-grid,.data-grid,.node-grid,.steps4{grid-template-columns:1fr}
.hero h1{font-size:32px}
.btn-lg{padding:14px 24px}
.hero-cta{flex-direction:column}
.nav{height:auto}
}