:root{--content-width:1320px;--proof-width:1180px;color:#111318;font-synthesis:none;text-rendering:optimizelegibility;letter-spacing:0;background:#050505;font-family:Inter,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#f5f6f7;min-width:320px;margin:0;transition:background .2s,color .2s}button,a{font:inherit}a{color:inherit;text-decoration:none}.site-header{z-index:10;width:min(var(--content-width), calc(100% - 48px));color:#fff;justify-content:space-between;align-items:center;height:78px;display:flex;position:absolute;top:0;left:50%;transform:translate(-50%)}.brand{align-items:center;gap:11px;font-weight:750;display:inline-flex}.brand img{object-fit:cover;border-radius:7px;width:32px;height:32px}.site-header nav{align-items:center;gap:30px;font-size:15px;display:flex}.site-header nav a{color:#c9cbd0;transition:color .2s}.site-header nav a:hover{color:#fff}.site-header .nav-download{color:#fff;background:#1478ff;border:0;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 18px;font-weight:700;transition:background .2s,transform .2s;display:inline-flex}.site-header .nav-download:hover{color:#fff;background:#0867df;transform:translateY(-1px)}.theme-toggle{color:#d8dbe1;cursor:pointer;background:0 0;border:0;place-items:center;width:24px;height:44px;padding:0;transition:color .2s;display:grid}.theme-toggle:hover{color:#fff;background:0 0}.hero{color:#fff;background:#050505;height:min(590px,82vh);min-height:540px;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background:linear-gradient(#0000,#050505f5);height:180px;position:absolute;inset:auto 0 0}.hero-copy{z-index:3;width:min(var(--content-width), calc(100% - 48px));margin:0 auto;padding-top:104px;position:relative}.eyebrow,.section-kicker{color:#7eb7ff;align-items:center;gap:8px;font-size:17px;font-weight:700;display:inline-flex}.hero .eyebrow{color:#1478ff;font-size:17px}.hero h1{letter-spacing:0;max-width:600px;margin:20px 0 13px;font-size:clamp(48px,5.6vw,72px);line-height:.98}.hero-lead{white-space:nowrap;max-width:none;margin:0;font-size:clamp(24px,3vw,38px);font-weight:650;line-height:1.25}.hero-detail{color:#aaaeb7;max-width:540px;margin:18px 0 30px;font-size:17px;line-height:1.75}.primary-button,.download-button{color:#fff;cursor:pointer;background:#1478ff;border:0;border-radius:6px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 20px;font-weight:700;transition:background .2s,transform .2s;display:inline-flex}.primary-button:hover,.download-button:hover{background:#0867df;transform:translateY(-1px)}.download-button[aria-disabled=true]{cursor:wait}.download-button[aria-disabled=true]:hover{background:#1478ff;transform:none}.hero-download-controls{align-items:stretch;gap:12px;display:flex}.hero-download-button{min-width:224px}.hero-platform-switch{background:#111216;border:1px solid #303238;border-radius:6px;grid-template-columns:repeat(2,1fr);padding:4px;display:grid}.hero-platform-switch button{color:#969ba4;cursor:pointer;background:0 0;border:0;border-radius:4px;min-width:86px;padding:0 14px}.hero-platform-switch button.active{color:#fff;background:#292c31}.product-stage{z-index:2;transform-origin:100% 100%;filter:drop-shadow(0 28px 60px #000000b3);width:min(760px,50vw);position:absolute;bottom:20px;right:-28px;transform:perspective(1400px)rotateY(-7deg)rotateX(2deg)}.product-stage img{border:1px solid #373a40;border-radius:8px;width:100%;display:block}.proof-strip{min-height:60px;padding:12px max(24px, calc((100% - var(--proof-width)) / 2));color:#d6d8dd;background:#0a0a0b;border-top:1px solid #242529;justify-content:space-between;align-items:center;gap:20px;font-size:17px;display:flex}.proof-strip span{align-items:center;gap:8px;display:flex}.proof-strip svg{color:#3ce07b}.section{padding:112px max(24px, calc((100% - var(--content-width)) / 2))}.section-heading{max-width:710px}.section-heading>span{color:#1478ff;font-size:17px;font-weight:750}.section h2{margin:12px 0 18px;font-size:clamp(34px,5vw,54px);line-height:1.12}.section-heading p,.security-copy>p,.download-copy p{color:#626a76;font-size:17px;line-height:1.75}.features{background:#fff;padding-top:24px;padding-bottom:36px}.features .section-heading{max-width:none}.features .section-heading h2{white-space:nowrap}.feature-grid{grid-template-columns:repeat(4,1fr);gap:44px;margin-top:40px;display:grid}.feature-item{min-width:0}.feature-icon{color:#086fe9;background:#eaf3ff;border-radius:10px;place-items:center;width:60px;height:60px;display:grid}.feature-icon svg{width:30px;height:30px}.feature-item h3{margin:22px 0 12px;font-size:20px}.feature-item p{color:#69717c;margin:0;font-size:15px;line-height:1.72}.security{background:#f0f2f4;grid-template-columns:1fr 1fr;align-items:center;gap:100px;padding-top:64px;padding-bottom:64px;display:grid}.security-visual{grid-template-columns:100px 1fr 100px;align-items:center;height:360px;display:grid}.server-node,.device-node{color:#1478ff;background:#fff;border:1px solid #d4d9df;border-radius:8px;place-items:center;width:100px;height:100px;display:grid;box-shadow:0 16px 40px #111c2b14}.connection-line{background:#c7ccd3;height:2px;position:relative}.connection-line span{background:#1478ff;width:38%;height:2px;animation:2.1s ease-in-out infinite transfer;position:absolute}@keyframes transfer{0%{left:0}50%{left:62%}to{left:0}}.security-copy ul{gap:14px;margin:28px 0 0;padding:0;list-style:none;display:grid}.security-copy li{align-items:center;gap:10px;font-weight:650;display:flex}.security-copy li svg{color:#1478ff}.download-section{color:#fff;background:#08090a;grid-template-columns:.78fr 1.22fr;align-items:center;gap:76px;padding-top:64px;padding-bottom:64px;display:grid}.download-copy p{color:#999fa9}.download-panel{background:#111216;border:1px solid #303238;border-radius:8px;overflow:hidden}.platform-switch{background:#0d0e11;border-bottom:1px solid #292b30;grid-template-columns:1fr 1fr;padding:6px;display:grid}.platform-switch button{color:#969ba4;cursor:pointer;background:0 0;border:0;border-radius:5px;height:48px}.platform-switch button.active{color:#fff;background:#25272c}.release-info{justify-content:space-between;align-items:center;gap:28px;min-height:154px;padding:26px;display:flex}.release-info>div{gap:7px;display:grid}.release-label,.release-info small{color:#90959f}.release-info strong{font-size:24px}.download-button:disabled{color:#969ba4;cursor:wait;background:#32343a;transform:none}.checksum{color:#7f858f;overflow-wrap:anywhere;border-top:1px solid #292b30;align-items:center;gap:8px;min-height:48px;padding:10px 26px;font-size:12px;display:flex}footer{min-height:110px;padding:28px max(24px, calc((100% - var(--content-width)) / 2));color:#999da5;background:#050505;border-top:1px solid #242529;align-items:center;gap:30px;display:flex}footer p{flex:1}.footer-brand{color:#fff}html[data-theme=light] body{color:#111318;background:#f5f6f7}html[data-theme=light] .site-header{color:#111318}html[data-theme=light] .site-header nav a:not(.nav-download){color:#4f5661}html[data-theme=light] .site-header nav a:not(.nav-download):hover{color:#111318}html[data-theme=light] .theme-toggle{color:#313741;background:0 0}html[data-theme=light] .theme-toggle:hover{color:#050505;background:0 0}html[data-theme=light] .hero{color:#111318;background:#f5f6f7}html[data-theme=light] .hero:after{background:linear-gradient(#0000,#f5f6f7f5)}html[data-theme=light] .hero-detail{color:#626a76}html[data-theme=light] .hero-platform-switch{background:#fff;border-color:#cfd4db}html[data-theme=light] .hero-platform-switch button{color:#626a76}html[data-theme=light] .hero-platform-switch button.active{color:#111318;background:#e6e9ed}html[data-theme=light] .proof-strip{color:#313741;background:#fff;border-color:#dfe2e7}html[data-theme=light] .download-section{color:#111318;background:#f5f6f7}html[data-theme=light] .download-copy p{color:#626a76}html[data-theme=light] .download-panel{background:#fff;border-color:#d1d6dd}html[data-theme=light] .platform-switch{background:#f0f2f4;border-color:#d9dde3}html[data-theme=light] .platform-switch button.active{color:#111318;background:#fff}html[data-theme=light] .checksum{color:#626a76;border-color:#d9dde3}html[data-theme=light] footer{color:#626a76;background:#fff;border-color:#dfe2e7}html[data-theme=light] .footer-brand{color:#111318}html[data-theme=dark] body{color:#f4f5f7;background:#0c0d0f}html[data-theme=dark] .hero .eyebrow{color:#fff}html[data-theme=dark] .features{color:#f4f5f7;background:#111216}html[data-theme=dark] .section-heading p,html[data-theme=dark] .feature-item p,html[data-theme=dark] .security-copy>p{color:#a8adb6}html[data-theme=dark] .security{color:#f4f5f7;background:#181a1e}html[data-theme=dark] .server-node,html[data-theme=dark] .device-node{background:#24272c;border-color:#353940}html[data-theme=dark] .connection-line{background:#454a53}@media (width<=980px){.product-stage{opacity:.62;width:600px;bottom:14px;right:-270px}.hero-copy{padding-top:96px}.hero-lead{white-space:normal;max-width:620px}.features .section-heading h2{white-space:normal}.feature-grid{grid-template-columns:repeat(2,1fr)}.security{gap:48px}.download-section{grid-template-columns:1fr}}@media (width<=680px){.site-header{width:calc(100% - 32px);height:66px}.site-header nav a:not(.nav-download){display:none}.hero{height:90vh;min-height:700px}.hero-copy{width:calc(100% - 32px);padding-top:92px}.hero h1{font-size:44px}.hero-lead{font-size:25px}.hero-detail{max-width:92%;font-size:15px}.hero-download-controls{flex-direction:column;align-items:stretch;width:min(100%,340px)}.hero-download-button{width:100%}.hero-platform-switch{min-height:46px}.product-stage{opacity:.52;width:650px;bottom:5px;right:-330px}.proof-strip{white-space:nowrap;justify-content:flex-start;overflow-x:auto}.section{padding-top:78px;padding-bottom:78px}.features{padding-top:24px;padding-bottom:36px}.security,.download-section{padding-top:52px;padding-bottom:52px}.section h2{font-size:36px}.feature-grid{grid-template-columns:1fr;gap:42px;margin-top:50px}.security{grid-template-columns:1fr}.security-visual{grid-template-columns:72px 1fr 72px;height:220px}.server-node,.device-node{width:72px;height:72px}.release-info{flex-direction:column;align-items:stretch}.download-button{width:100%}footer{flex-direction:column;align-items:flex-start;gap:12px}footer p{margin:0}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.connection-line span{animation:none}}