:root{--bg:#08111f;--panel:#101c2d;--ink:#f7fbff;--muted:#8da0b8;--line:rgba(255,255,255,.1);--blue:#37a7ff;--cyan:#29e0cc;--yellow:#ffda58;--red:#ff637e;--shadow:0 28px 75px rgba(0,4,12,.42)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Microsoft YaHei UI","PingFang SC",Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}body::before{content:"";position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 12% 7%,rgba(55,167,255,.2),transparent 27%),radial-gradient(circle at 88% 25%,rgba(41,224,204,.13),transparent 25%),linear-gradient(145deg,#07101d,#0b192a 58%,#07111f)}a{color:inherit;text-decoration:none}img{max-width:100%}h1,h2,h3,p{margin-top:0}:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.container{width:min(1200px,calc(100% - 42px));margin:auto}.skip{position:fixed;top:-60px;left:18px;z-index:99;padding:10px 16px;background:#fff;color:#08111f;border-radius:12px}.skip:focus{top:16px}.panel{border:1px solid var(--line);background:linear-gradient(145deg,rgba(20,35,54,.96),rgba(12,24,40,.96));box-shadow:var(--shadow)}
.site-header{position:sticky;top:0;z-index:50;padding:12px 0;background:rgba(8,17,31,.78);backdrop-filter:blur(16px)}.nav{min-height:70px;padding:10px 12px 10px 18px;display:flex;align-items:center;justify-content:space-between;gap:25px;border-radius:18px}.brand-logo{width:150px;height:42px;padding:8px 12px;display:block;object-fit:contain;border-radius:11px;background:linear-gradient(135deg,#6964dc,#3194ca)}.nav-links{display:flex;gap:29px;color:#91a5bb;font-size:13px;font-weight:850}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--cyan)}.nav-toggle{display:none;border:0;background:transparent;color:#fff;font-size:25px}.btn{min-width:145px;min-height:49px;padding:12px 22px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;background:linear-gradient(135deg,#37a7ff,#2873df);color:#fff;font-size:13px;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;box-shadow:0 14px 30px rgba(24,114,220,.27);transition:.2s}.btn:hover{transform:translateY(-3px)}.btn-cyan{background:linear-gradient(135deg,#29e0cc,#19aeb2)}.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.04);box-shadow:none}
.hero{padding:80px 0 100px}.hero-grid{min-height:700px;display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;color:#9cb1c6;font-size:11px;font-weight:950;letter-spacing:.13em}.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}h1{margin-bottom:24px;font-size:clamp(52px,6vw,86px);font-weight:950;line-height:.97;letter-spacing:-.065em}.gradient{display:block;color:transparent;background:linear-gradient(100deg,#37a7ff,#29e0cc 58%,#ffda58);background-clip:text;-webkit-background-clip:text}.hero-copy>p{max-width:570px;color:var(--muted);font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:11px}.platforms{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.tag{padding:7px 11px;border:1px solid var(--line);border-radius:7px;background:rgba(255,255,255,.04);color:#91a4b9;font-size:10px;font-weight:850}.speed-console{padding:26px;position:relative;border-radius:25px}.hero-media{align-self:center;height:auto;padding:0;margin:0}.hero-media img{filter:drop-shadow(0 35px 45px rgba(0,3,9,.48))}.console-top{padding:11px 14px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line);color:#71879f;font-size:10px}.live{color:var(--cyan)}.live::before{content:"";display:inline-block;width:8px;height:8px;margin-right:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.metric-bar{margin-top:24px;padding:15px;display:grid;grid-template-columns:repeat(5,1fr);gap:10px;border-radius:19px}.metric{padding:20px 10px;border-radius:12px;background:rgba(255,255,255,.035);text-align:center}.metric b{display:block;font-size:25px}.metric span{color:#71879d;font-size:10px}
.section{padding:120px 0}.head{max-width:760px;margin-bottom:52px}.head.center{margin-inline:auto;text-align:center}.head.center .eyebrow{justify-content:center}h2{margin-bottom:18px;font-size:clamp(39px,4.5vw,62px);font-weight:950;line-height:1.06;letter-spacing:-.055em}.lead{color:var(--muted);font-size:17px}
.diag{display:grid;grid-template-columns:1.3fr .7fr;gap:17px}.diag-main{min-height:560px;padding:42px;position:relative;overflow:hidden;border-radius:23px}.diag-main h3{max-width:580px;font-size:36px}.diag-main p{max-width:560px;color:var(--muted)}.chart{position:absolute;left:42px;right:42px;bottom:45px;height:190px;border-left:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(55,167,255,.18),transparent);clip-path:polygon(0 75%,10% 62%,20% 70%,30% 38%,40% 49%,50% 30%,60% 43%,70% 17%,80% 28%,90% 8%,100% 15%,100% 100%,0 100%)}.diag-side{display:grid;gap:17px}.feature{padding:28px;border-radius:18px}.feature-icon{width:48px;height:48px;margin-bottom:18px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,#37a7ff,#29e0cc);font-weight:950}.feature p{margin:0;color:var(--muted);font-size:13px}
.test-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.test{padding:30px;border-radius:18px}.test:nth-child(2){border-top:3px solid var(--cyan)}.test:nth-child(3){border-top:3px solid var(--yellow)}.test b{display:block;color:#8195aa;font-size:10px;letter-spacing:.1em}.test strong{display:block;margin:25px 0 4px;font-size:27px}.test p{color:var(--muted);font-size:13px}
.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:17px}.news-main{min-height:500px;padding:42px;display:flex;flex-direction:column;justify-content:space-between;border-radius:22px;background:linear-gradient(145deg,rgba(55,167,255,.2),rgba(16,28,45,.95))}.news-main h3{font-size:38px}.news-main p{color:var(--muted)}.news-list{display:grid;gap:17px}.news-card{padding:29px;border-radius:18px}.news-card h3{font-size:23px}.news-card p{color:var(--muted);font-size:13px}.text-link{color:var(--cyan);font-size:13px;font-weight:900}
.device-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.device-media{align-self:center;height:auto;padding:0;margin:0}.device-media img{filter:drop-shadow(0 34px 42px rgba(0,4,10,.45))}.persona-list{display:grid;gap:11px;margin-top:28px}.persona{padding:19px 21px;display:grid;grid-template-columns:90px 1fr;gap:15px;border-radius:14px}.persona b{color:var(--cyan);font-size:11px}.persona strong{display:block}.persona span{color:var(--muted);font-size:12px}
.reviews,.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review,.price{padding:34px;border-radius:19px}.review blockquote{margin:22px 0 27px;color:#b8c7d4}.stars{color:var(--yellow);letter-spacing:3px}.user{display:flex;align-items:center;gap:11px}.avatar{width:45px;height:45px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,#37a7ff,#29e0cc);font-weight:900}.user span{display:block;color:#7d92a7;font-size:11px}.price.featured{background:linear-gradient(145deg,rgba(41,224,204,.2),rgba(16,28,45,.98));transform:translateY(-13px)}.plan{font-size:11px;font-weight:950;letter-spacing:.1em}.amount{margin:20px 0 6px;font-size:52px;font-weight:950;line-height:1}.amount small{font-size:13px}.price p{min-height:44px;color:var(--muted);font-size:13px}.price ul{padding:20px 0 0;margin:22px 0;list-style:none;border-top:1px solid var(--line)}.price li{margin:10px 0;font-size:13px}.price li::before{content:"●";margin-right:9px;color:var(--cyan);font-size:8px}.price .btn{width:100%}.disclaimer{text-align:center;color:#6e8297;font-size:11px;margin-top:23px}
.faq{max-width:930px;margin:auto}.faq details{margin-bottom:11px;border-radius:15px}.faq summary{padding:22px 65px 22px 24px;position:relative;cursor:pointer;list-style:none;font-weight:900}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:13px;top:11px;width:43px;height:43px;display:grid;place-items:center;border-radius:10px;background:rgba(55,167,255,.15);color:var(--cyan);font-size:22px}.faq details[open] summary::after{content:"−"}.faq details p{padding:0 65px 24px 24px;margin:0;color:var(--muted)}
.cta{padding:55px 0 120px}.cta-box{padding:70px;position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(115deg,#15355c,#135d67);box-shadow:var(--shadow)}.cta-box::after{content:"";position:absolute;width:300px;height:300px;right:-55px;top:-80px;border:45px solid rgba(255,255,255,.09);border-radius:50%;box-shadow:inset 0 0 0 25px rgba(41,224,204,.15)}.cta-box h2,.cta-box p,.cta-box .actions,.cta-box .eyebrow{position:relative;z-index:2;max-width:720px}.cta-box p{color:#bed4df}
.site-footer{padding:70px 0 25px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:43px}.footer-intro p{max-width:280px;margin-top:18px;color:var(--muted);font-size:13px}.footer-col h3{font-size:13px}.footer-col a{display:block;margin:9px 0;color:var(--muted);font-size:13px}.footer-bottom{margin-top:48px;padding-top:20px;display:flex;justify-content:space-between;border-top:1px solid var(--line);color:#5f7489;font-size:11px}
.page-hero{padding:125px 0 88px}.page-box{max-width:980px;margin:auto;padding:70px;text-align:center;border-radius:23px}.page-box h1{font-size:clamp(50px,5.8vw,79px)}.page-box p{max-width:680px;margin:0 auto 30px;color:var(--muted)}.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.download-card{padding:29px;display:grid;grid-template-columns:65px 1fr auto;gap:20px;align-items:center;border-radius:17px}.os{width:65px;height:65px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(135deg,#37a7ff,#29e0cc);font-weight:950}.download-card h2{margin:0;font-size:22px}.download-card p{margin:0;color:var(--muted);font-size:12px}.download-card .btn{min-width:155px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{padding:32px;border-radius:18px}.step b{color:var(--cyan);font-size:11px}
.help-layout{display:grid;grid-template-columns:260px 1fr;gap:65px;align-items:start}.help-menu{position:sticky;top:105px;padding:20px;border-radius:18px}.help-menu strong{display:block;padding:9px 12px}.help-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--muted);font-size:13px}.help-menu a:hover{background:rgba(55,167,255,.1);color:var(--cyan)}.help-content article{padding:0 0 56px;margin-bottom:56px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.help-content h2{font-size:40px}.help-content p,.help-content li{color:var(--muted)}.notice{padding:20px 22px;border-left:4px solid var(--cyan);border-radius:10px;background:rgba(55,167,255,.08)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}@media(max-width:980px){.nav-links{display:none;position:absolute;top:90px;left:22px;right:22px;padding:20px;flex-direction:column;background:#101c2d;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-toggle{display:block}.nav>.btn{display:none}.hero-grid,.diag,.news-grid,.device-grid{grid-template-columns:1fr}.test-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.download-grid{grid-template-columns:1fr}}@media(max-width:700px){.container{width:min(100% - 28px,1200px)}.section{padding:85px 0}.hero{padding-top:55px}h1{font-size:49px}.metric-bar,.test-grid,.reviews,.pricing,.steps{grid-template-columns:1fr}.price.featured{transform:none}.cta-box{padding:48px 28px}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:span 2}.footer-bottom{flex-direction:column;gap:8px}.download-card{grid-template-columns:65px 1fr}.download-card .btn{grid-column:span 2;width:100%}.help-layout{grid-template-columns:1fr}.help-menu{position:static}}
/* Natural hero imagery */
.hero-grid{align-items:center}.hero-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none;clip-path:none}.hero-media img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;transform:none;clip-path:none}.device-grid{align-items:center}.device-media{align-self:center;height:auto;padding:0;margin-top:0;margin-bottom:0;overflow:visible;transform:none;clip-path:none}.device-media img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;transform:none;clip-path:none}