:root{--bg:#071018;--panel:#0d1a24;--panel2:#112331;--cyan:#21d4e8;--green:#45e09a;--blue:#3988ff;--text:#eaf6fa;--muted:#8fa7b3;--line:rgba(114,196,220,.17);--white:#fff;--ink:#12212a;--paper:#f3f7f8;--shadow:0 24px 70px rgba(0,8,14,.34)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7;background:var(--bg)}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto}button,input{font:inherit}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:rgba(7,16,24,.9);backdrop-filter:blur(18px)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:26px}.logo{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:900;letter-spacing:.04em}.logo-icon{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(33,212,232,.45);border-radius:10px;color:var(--cyan);background:rgba(33,212,232,.08);box-shadow:0 0 30px rgba(33,212,232,.12)}.nav-links{display:flex;align-items:center;gap:24px;color:#a8bbc5;font-size:13px}.nav-links a:hover,.inline-link{color:var(--cyan)}.nav-actions{display:flex;gap:10px}
.btn{display:inline-flex;min-height:46px;padding:0 23px;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;font-weight:800;transition:.2s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{color:#04131a;background:linear-gradient(135deg,var(--cyan),var(--green));box-shadow:0 14px 32px rgba(33,212,232,.18)}.btn-ghost{color:#bcebf0;border-color:rgba(33,212,232,.3);background:rgba(33,212,232,.05)}.btn-dark{color:#fff;background:#102c3b}.btn-light{color:#06202a;background:#fff}
.hero{position:relative;overflow:hidden;padding:90px 0 84px;background:radial-gradient(circle at 10% 16%,rgba(33,212,232,.11),transparent 28%),radial-gradient(circle at 88% 5%,rgba(57,136,255,.14),transparent 27%),var(--bg)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(33,212,232,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(33,212,232,.045) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 80%)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.secure-badge{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px;padding:7px 12px;border:1px solid rgba(69,224,154,.28);border-radius:7px;color:var(--green);background:rgba(69,224,154,.06);font-family:Consolas,monospace;font-size:12px;font-weight:800}.secure-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}h1,h2,h3,p{margin-top:0}h1{margin-bottom:18px;font-size:clamp(41px,6vw,66px);line-height:1.08;letter-spacing:-.05em}.accent{color:var(--cyan);text-shadow:0 0 28px rgba(33,212,232,.18)}.lead{max-width:620px;margin-bottom:27px;color:#9bb0bc;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}.requirements{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;color:#8299a5;list-style:none;font-size:12px}.requirements li{padding:6px 9px;border:1px solid var(--line);border-radius:6px;background:rgba(255,255,255,.025)}
.terminal{position:relative;padding:14px;border:1px solid rgba(33,212,232,.23);border-radius:18px;background:rgba(12,27,38,.88);box-shadow:var(--shadow),0 0 55px rgba(33,212,232,.06)}.terminal-head{display:flex;align-items:center;gap:6px;padding:2px 2px 12px;color:#78909c;font-family:Consolas,monospace;font-size:11px}.terminal-head i{width:9px;height:9px;border-radius:50%;background:#ff6b68}.terminal-head i:nth-child(2){background:#f6ca58}.terminal-head i:nth-child(3){background:var(--green)}.terminal>img{min-height:360px;object-fit:cover;border-radius:10px;background:#102434}.scan{position:absolute;right:-22px;bottom:24px;width:255px;padding:16px;border:1px solid rgba(69,224,154,.25);border-radius:10px;background:rgba(7,22,29,.96);box-shadow:0 18px 50px rgba(0,0,0,.38)}.scan strong{display:flex;align-items:center;gap:8px;margin-bottom:6px;color:var(--green)}.scan p{margin:0;color:#91a9b4;font-size:12px}.bar{height:5px;margin-top:11px;overflow:hidden;border-radius:6px;background:#18323e}.bar span{display:block;width:96%;height:100%;background:linear-gradient(90deg,var(--cyan),var(--green))}
section{padding:82px 0}.paper{color:var(--ink);background:var(--paper)}.panel-section{background:var(--panel)}.section-head{max-width:760px;margin:0 auto 38px;text-align:center}.section-head.left{margin-left:0;text-align:left}.code-label{display:block;margin-bottom:9px;color:var(--cyan);font-family:Consolas,monospace;font-size:12px;letter-spacing:.12em}.paper .code-label{color:#087e8c}.section-head h2{margin-bottom:11px;font-size:clamp(30px,4vw,44px);line-height:1.22;letter-spacing:-.035em}.section-head p{margin:0;color:var(--muted);font-size:15px}.paper .section-head p{color:#65757d}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.card{border:1px solid var(--line);border-radius:14px;background:var(--panel2);box-shadow:0 14px 42px rgba(0,7,12,.16)}.paper .card{border-color:#dce5e8;background:#fff;box-shadow:0 12px 36px rgba(28,62,75,.06)}.download-card{display:flex;min-height:286px;padding:23px;flex-direction:column;justify-content:space-between}.os-icon,.feature-icon{width:49px;height:49px;display:grid;place-items:center;margin-bottom:16px;border:1px solid rgba(33,212,232,.35);border-radius:10px;color:var(--cyan);background:rgba(33,212,232,.07);font-family:Consolas,monospace;font-size:19px;font-weight:900}.paper .os-icon{color:#fff;border:0;background:#102c3b}.download-card h3{margin-bottom:7px;font-size:20px}.meta{display:grid;gap:5px;margin-bottom:19px;color:var(--muted);font-family:Consolas,"Microsoft YaHei",sans-serif;font-size:12px}.feature-card{min-height:222px;padding:22px}.feature-card h3{margin-bottom:8px;font-size:18px}.feature-card p{margin:0;color:var(--muted);font-size:13px}.feature-icon{color:var(--green);border-color:rgba(69,224,154,.3);background:rgba(69,224,154,.06);font-family:inherit;font-size:16px}
.solution{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}.solution-copy h2{margin-bottom:16px;font-size:clamp(32px,4vw,47px);line-height:1.2;letter-spacing:-.04em}.solution-copy p{color:var(--muted)}.points{display:grid;gap:9px;margin-top:22px}.point{display:flex;gap:11px;padding:13px 15px;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.025)}.shield{color:var(--green);font-weight:900}.product{padding:12px;border:1px solid var(--line);border-radius:16px;background:#0b1923;box-shadow:var(--shadow)}.product>img{min-height:340px;object-fit:cover;border-radius:9px;background:#102434}.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}.thumbs img{aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:8px;background:#102434}
.trust-num{margin-bottom:29px;text-align:center;color:var(--cyan);font-family:Consolas,monospace;font-size:clamp(47px,8vw,82px);line-height:1;letter-spacing:-.05em}.brands{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.brands div{display:grid;min-height:84px;place-items:center;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.025);font-size:18px;font-weight:800}
.content{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}.news,.faqs{display:grid;gap:12px}.news-item{display:grid;grid-template-columns:125px 1fr;gap:17px;padding:13px;align-items:center}.news-item img{width:125px;height:94px;object-fit:cover;border-radius:8px;background:#102434}.news-item small{color:var(--cyan);font-family:Consolas,monospace}.news-item h3{margin:3px 0 4px;font-size:17px}.news-item p,.faq p{margin:0;color:var(--muted);font-size:12px}.faq{padding:17px 19px}.faq h3{margin-bottom:5px;font-size:16px}
.cta-section{padding-top:0}.cta{padding:50px;border:1px solid rgba(33,212,232,.23);border-radius:17px;background:radial-gradient(circle at 90% 12%,rgba(33,212,232,.15),transparent 27%),var(--panel2);box-shadow:var(--shadow)}.cta h2{max-width:760px;margin-bottom:11px;font-size:clamp(32px,4vw,47px);line-height:1.18}.cta>p{max-width:760px;color:#9fb2bd}.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0}.benefits div{padding:14px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.025)}
.page-hero{padding:72px 0 54px;text-align:center;background:radial-gradient(circle at 50% 0,rgba(33,212,232,.12),transparent 42%),var(--bg)}.page-hero h1{margin-bottom:12px;font-size:clamp(38px,5vw,57px)}.page-hero p{max-width:720px;margin:0 auto;color:#96aab5;font-size:16px}.breadcrumb{margin-bottom:12px;color:var(--cyan);font-family:Consolas,monospace;font-size:12px}.download-detail{display:grid;grid-template-columns:1fr 1fr;gap:18px}.download-box{padding:27px;scroll-margin-top:95px}.download-box h2{margin-bottom:7px;font-size:26px}.download-box>p{color:var(--muted)}.detail-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:20px 0}.detail-meta div{padding:11px;border:1px solid var(--line);border-radius:7px;color:var(--muted);font-family:Consolas,"Microsoft YaHei",sans-serif;font-size:12px}.notice{margin-top:20px;padding:17px;border:1px solid #cfe1e5;border-left:4px solid #1599a8;border-radius:8px;background:#fff;color:#53666e}
.help-layout{display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}.help-menu{position:sticky;top:95px;padding:16px}.help-menu a{display:block;padding:10px 11px;border-bottom:1px solid var(--line);color:#8fa5b0;font-size:13px}.help-menu a:hover{color:var(--cyan)}.help-content{display:grid;gap:15px}.help-block{padding:26px;scroll-margin-top:95px}.help-block h2{margin-bottom:9px;font-size:24px}.help-block p,.help-block li{color:var(--muted)}.help-block ol,.help-block ul{margin-bottom:0;padding-left:22px}.search{display:flex;max-width:600px;margin:24px auto 0;padding:6px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}.search input{min-width:0;flex:1;padding:9px 12px;border:0;outline:0;color:var(--text);background:transparent}
.footer{padding:28px 0;border-top:1px solid var(--line);color:#718894;background:#050c12;font-size:12px}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}
@media(max-width:1024px){.hero-grid,.solution,.content{grid-template-columns:1fr}.grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}.brands{grid-template-columns:repeat(3,1fr)}.nav-links{display:none}.scan{right:12px}}
@media(max-width:720px){.container{width:min(100% - 28px,1200px)}.nav-actions .btn-ghost{display:none}.hero{padding:58px 0}section{padding:58px 0}.grid-4,.grid-5,.brands,.benefits,.download-detail{grid-template-columns:1fr}.help-layout{grid-template-columns:1fr}.help-menu{position:static}.hero-actions .btn,.download-card .btn{width:100%}.terminal>img{min-height:250px}.scan{position:static;width:100%;margin-top:10px}.news-item{grid-template-columns:1fr}.news-item img{width:100%;height:170px}.cta{padding:33px 22px}.thumbs{grid-template-columns:1fr}.detail-meta{grid-template-columns:1fr}}