@font-face{font-family:VetFlyOS Display;src:url('./assets/petos-display.woff2') format('woff2');font-weight:900;font-style:normal;font-display:swap}
:root{color-scheme:dark;--ground:#080d1b;--surface:#10192c;--surface-raised:#172238;--ink:#f4f7ff;--muted:#aebbd2;--subtle:#899ab8;--blue:#79a5ff;--action:#3165ef;--line:#26324a;--radius:16px;--content:1280px;--ease:cubic-bezier(.16,1,.3,1);font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--ground);color:var(--ink);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:100px}
*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{color:inherit}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{cursor:pointer}h1,h2,h3,p{margin:0}h1,h2{font-family:VetFlyOS Display,"PingFang SC",sans-serif;font-weight:900;letter-spacing:-.035em;text-wrap:balance}p{line-height:1.85}::selection{background:#4379d8;color:#fff}:focus-visible{outline:3px solid #98bdff;outline-offset:6px}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--ground)}::-webkit-scrollbar-thumb{background:#384967;border-radius:8px;border:2px solid var(--ground)}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.platform-icon{width:42px;height:42px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.page-width{width:min(var(--content),calc(100% - 112px));margin-inline:auto}.section-space{padding-block:118px}.skip-link{position:fixed;top:12px;left:12px;padding:12px 24px;background:var(--ink);color:var(--ground);z-index:20;transform:translateY(-160%)}.skip-link:focus{transform:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;background:var(--action);color:#fff;min-height:54px;padding:15px 25px;border-radius:10px;font-weight:600;white-space:nowrap;transition:background .2s,transform .2s}.button:hover{background:#2455da;transform:translateY(-2px)}.button-small{min-height:40px;padding:10px 16px;gap:16px;font-size:13px;border-radius:8px}.text-link{display:inline-flex;gap:12px;align-items:center;font-size:15px;font-weight:600}.text-link .icon{transition:transform .2s}.text-link:hover{color:var(--blue)}.text-link:hover .icon{transform:translate(2px,-2px)}
.site-header{position:sticky;top:0;z-index:10;background:#080d1bf5;border-bottom:1px solid #ffffff0c}.header-inner{width:min(1440px,calc(100% - 112px));margin:auto;min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}.brand img{border-radius:10px}.brand span{font-family:"Segoe UI",sans-serif;font-size:31px;font-weight:500;letter-spacing:-.06em;line-height:1}.desktop-nav{display:flex;gap:34px;color:var(--muted);font-size:14px}.desktop-nav a{padding:12px 0;transition:color .2s}.desktop-nav a:hover{color:#fff}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:10px}.mobile-nav{padding:12px 24px 24px;border-top:1px solid var(--line)}.mobile-nav:not([hidden]){display:grid}.mobile-nav a{padding:14px 0;color:var(--muted)}
.hero{position:relative;min-height:720px;height:min(850px,calc(100svh - 80px));overflow:hidden;isolation:isolate}.hero-art{position:absolute;z-index:-2;right:-50px;top:-36px;width:min(1120px,85vw);height:calc(100% + 60px);animation:space-arrives 1.8s var(--ease) both}.hero-art img{height:100%;width:100%;object-fit:cover;object-position:center}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--ground) 0%,#080d1be8 21%,#080d1b7a 44%,transparent 66%),linear-gradient(0deg,var(--ground) 0%,transparent 20%);pointer-events:none}.hero-content{padding-top:145px;position:relative}.hero h1{font-size:clamp(42px,4.25vw,64px);line-height:1.3;max-width:850px}.hero h1 span{display:block}.hero-first{font-size:1.3em;line-height:1.4;color:var(--blue)}.hero-second{white-space:nowrap}.hero-content>p{font-size:19px;color:#c7d2e6;margin-top:27px;letter-spacing:.035em}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:34px}.hero-actions .button{min-width:168px}.hero-bottom{position:absolute;bottom:32px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:24px}.platform-strip{display:flex;align-items:center;gap:32px}.platform-strip a{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;padding-block:10px;transition:color .2s}.platform-strip a:hover{color:#fff}.platform-strip .icon{width:19px;height:19px}.concept-note{color:#9daac2;font-size:11px}.mobile-only{display:none}@keyframes space-arrives{from{transform:translateY(18px) scale(1.035);filter:brightness(.85)}to{transform:none;filter:brightness(1)}}
.section-heading{margin-bottom:58px}.section-heading h2,.care-copy h2,.download-heading h2,.faq h2{font-size:clamp(36px,3.6vw,52px);line-height:1.4}.section-heading>p{margin-top:24px;color:var(--muted);font-size:17px;max-width:60ch}.feature-explorer{display:grid;grid-template-columns:280px minmax(0,1fr);gap:72px}.feature-tabs{display:flex;flex-direction:column;gap:9px;padding-top:12px}.feature-tabs button{background:transparent;border:0;display:flex;align-items:center;text-align:left;gap:16px;padding:22px 18px;color:var(--muted);border-radius:12px;transition:background .2s,color .2s;min-height:98px}.feature-tabs button>span{font-size:18px;font-weight:600;flex:1}.feature-tabs small{display:block;font-size:12px;font-weight:400;margin-top:9px;color:var(--subtle)}.feature-tabs button[aria-selected=true]{background:var(--surface);color:var(--ink)}.feature-tabs button[aria-selected=true]>.icon{color:var(--blue)}.feature-tabs button:hover{background:var(--surface)}.feature-tabs .tab-arrow{width:18px;height:18px;opacity:0}.feature-tabs button[aria-selected=true] .tab-arrow{opacity:1}.feature-panel{min-width:0;scroll-margin-top:110px}.feature-visual{position:relative;border-radius:var(--radius);overflow:hidden;background:#0b1223;aspect-ratio:1.93}.feature-visual img{height:100%;width:100%;object-fit:cover;object-position:center 52%}.visual-caption{position:absolute;bottom:15px;left:20px;color:#c0cbe0;font-size:11px}.feature-copy{padding:27px 0 0}.feature-copy h3{font-size:25px;font-weight:600;letter-spacing:-.02em}.feature-copy p{font-size:14px;color:var(--muted);margin-top:14px;max-width:68ch;min-height:52px}.feature-tags{list-style:none;display:flex;gap:10px 20px;flex-wrap:wrap;margin:20px 0 0;padding:0;color:var(--blue);font-size:12px}.workflow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:30px 0 0;padding:22px 0 0;border-top:1px solid var(--line);gap:18px;counter-reset:step}.workflow li{font-size:13px;position:relative;min-width:0}.workflow li:before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;color:var(--blue);font-size:11px;margin-bottom:10px;font-variant-numeric:tabular-nums}.workflow li:not(:last-child):after{content:"";position:absolute;top:7px;left:30px;right:0;height:1px;background:var(--line);transform-origin:left}.workflow.is-running li:not(:last-child):after{animation:workflow-handoff .75s var(--ease) both;animation-delay:calc(var(--step,0)*.14s)}@keyframes workflow-handoff{from{transform:scaleX(.15);background:var(--blue)}to{transform:scaleX(1);background:var(--line)}}
.care-statement{padding-block:20px 70px}.care-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}.care-image{overflow:hidden;border-radius:var(--radius);background:#0a1121}.care-image img{width:100%;height:auto;aspect-ratio:1;object-fit:cover}.care-copy h2{font-size:clamp(32px,3.4vw,48px)}.care-copy>p{font-size:20px;margin-top:30px;color:#d5dff0}.care-copy .care-detail{font-size:14px;color:var(--muted);margin-top:24px;max-width:34ch}.image-disclosure{display:block;margin-top:30px;color:var(--subtle);font-size:11px}
.connected{padding-top:90px}.connected .section-heading{max-width:720px}.connected-stage{position:relative;min-height:540px;display:grid;place-items:center;margin-top:-60px}.connected-render{width:78%;height:auto;aspect-ratio:1.5;object-fit:cover}.device-copy{position:absolute;max-width:220px}.device-copy>.icon{color:var(--blue);width:30px;height:30px;margin-bottom:19px}.device-copy-desktop{left:0;top:120px}.device-copy-mobile{right:0;bottom:75px}.device-copy h3{font-size:23px;font-weight:600;letter-spacing:-.02em}.device-copy p{font-size:14px;margin-top:15px;color:var(--muted)}.device-copy>span{display:block;margin-top:20px;font-size:12px;color:var(--blue)}.connected-caption{text-align:center;color:var(--subtle);font-size:11px;margin-top:10px}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:64px;margin-top:80px;padding-top:40px;border-top:1px solid var(--line)}.principles article{padding-right:20px;display:grid;grid-template-columns:32px 1fr;column-gap:15px}.principles .icon{grid-row:span 2;color:var(--blue);margin-top:2px}.principles h3{font-weight:600;font-size:17px}.principles p{font-size:13px;color:var(--muted);margin-top:13px;max-width:31ch}
.downloads{background:#0c1425;border-top:1px solid #152039;border-bottom:1px solid #152039}.download-heading{text-align:center}.download-heading img{border-radius:20px;margin:0 auto 27px;box-shadow:0 20px 45px #0005}.download-heading p{margin-top:21px;font-size:17px;color:var(--muted)}.download-status{font-size:13px;text-align:center;color:#a8b9d8;margin:33px auto 0;max-width:60ch;padding:14px 20px;background:#131f36;border-radius:10px}.download-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:46px}.download-item{padding:30px 25px 24px;border-radius:var(--radius);background:var(--surface);scroll-margin-top:115px;transition:background .25s}.download-item:target{background:#1b2a47;outline:1px solid var(--blue)}.download-item>.platform-icon{margin-bottom:24px;color:#d5e2fb}.download-item h3{font-size:25px;letter-spacing:-.02em;font-weight:600}.download-role{font-size:13px;color:var(--muted);margin-top:12px}.requirements{font-size:11px;color:var(--subtle);margin-top:32px}.download-action{display:flex;gap:10px;align-items:center;justify-content:space-between;width:100%;min-height:45px;padding:13px 16px;border-radius:8px;background:var(--action);font-size:13px;font-weight:600;margin-top:17px;color:#fff;white-space:nowrap}.download-action[aria-disabled=true]{background:#24324b;color:#c0cee4;cursor:default}.download-action:not([aria-disabled=true]):hover{background:#2455da}.download-action .icon{height:16px;width:16px}.release-meta{display:block;font-size:11px;color:var(--subtle);margin-top:14px;min-height:18px}.download-footnote{text-align:center;margin-top:30px;font-size:12px;color:var(--subtle)}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.faq h2{font-size:36px}.faq-list{min-width:0}.faq details{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:28px;font-size:16px;line-height:1.6;padding:25px 0}.faq details:first-child summary{padding-top:10px}.faq summary::-webkit-details-marker{display:none}.faq summary .icon{width:18px;height:18px;color:var(--subtle);transition:transform .2s}.faq details[open] summary .icon{transform:rotate(45deg)}.faq details>p{color:var(--muted);font-size:14px;padding-bottom:27px;max-width:66ch}.site-footer{padding-block:45px 28px;border-top:1px solid var(--line)}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:28px}.footer-top p{color:var(--muted);font-size:16px}.footer-bottom{display:flex;justify-content:space-between;gap:24px;color:var(--subtle);font-size:11px;padding-top:35px}.footer-top .text-link{font-size:13px}
@media(min-width:1600px){.hero-art{width:1220px;right:calc((100vw - 1600px)/2 - 30px)}.hero-content{padding-top:155px}}
@media(max-width:1150px){.page-width{width:calc(100% - 72px)}.header-inner{width:calc(100% - 72px)}.desktop-nav{gap:22px}.hero{min-height:680px}.hero-content{padding-top:135px}.hero h1{font-size:48px}.hero-art{right:-140px;width:94vw}.feature-explorer{grid-template-columns:240px minmax(0,1fr);gap:36px}.feature-tabs button{padding:20px 12px;gap:12px}.feature-tabs button>span{font-size:16px}.care-inner{gap:45px}.connected-stage{min-height:480px}.connected-render{width:83%}.device-copy{max-width:190px}.device-copy h3{font-size:20px}.device-copy-desktop{top:85px}.device-copy-mobile{bottom:40px}.principles{gap:32px}.download-grid{gap:14px}.download-item{padding:25px 20px}.faq{gap:50px}.faq h2{font-size:30px}}
@media(max-width:860px){.desktop-nav{gap:18px;font-size:12px}.header-inner{gap:20px}.header-download{display:none}.hero h1{font-size:43px}.hero-art{right:-170px;width:105vw}.hero-content>p{font-size:17px}.feature-explorer{grid-template-columns:1fr;gap:24px}.feature-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding-top:0}.feature-tabs button{display:block;min-height:110px;padding:18px 12px;text-align:left}.feature-tabs button>.icon:first-child{margin-bottom:12px;width:22px;height:22px}.feature-tabs button>span{display:block;font-size:14px}.feature-tabs small{display:none}.feature-tabs .tab-arrow{display:none}.feature-visual{aspect-ratio:2.1}.care-inner{gap:32px}.care-copy h2{font-size:31px}.care-copy>p{font-size:17px}.care-copy .care-detail{font-size:12px}.connected-stage{margin-top:0;min-height:430px;display:block}.connected-render{width:100%;margin:auto}.device-copy{position:static;display:inline-block;width:49%;max-width:none;vertical-align:top;padding:20px 16px 0 0}.device-copy p{font-size:13px}.device-copy-desktop{left:auto;top:auto}.connected-caption{text-align:left;margin-top:28px}.principles{gap:25px;margin-top:55px}.principles article{display:block;padding-right:0}.principles .icon{margin-bottom:18px}.download-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.download-item{padding:30px}.faq{grid-template-columns:1fr;gap:32px}.faq h2{font-size:36px}.footer-top p{font-size:13px}}
@media(max-width:600px){:root{scroll-padding-top:85px}.page-width{width:calc(100% - 40px)}.section-space{padding-block:75px}.header-inner{width:calc(100% - 40px);min-height:68px}.brand img{width:32px;height:32px;border-radius:9px}.brand span{font-size:28px}.desktop-nav{display:none}.menu-toggle{display:flex}.hero{height:860px;min-height:0}.hero-content{padding-top:55px}.hero h1{font-size:clamp(26px,6.65vw,40px);line-height:1.45;max-width:100%}.hero-first{font-size:1.6em;line-height:1.42}.hero-second{letter-spacing:-.04em}.hero-content>p{font-size:15px;margin-top:20px;line-height:1.8;max-width:24ch}.hero-actions{gap:25px;margin-top:24px}.hero-actions .button{min-width:150px;min-height:49px;padding:13px 20px;font-size:14px}.hero-actions .text-link{font-size:13px}.hero-art{top:300px;right:-116px;width:830px;max-width:none;height:550px}.hero-art img{object-fit:contain;object-position:center}.hero:after{background:linear-gradient(180deg,var(--ground) 0%,#080d1bf0 30%,transparent 54%,transparent 80%,var(--ground) 96%)}.hero-bottom{bottom:24px;display:block}.platform-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;justify-content:space-between}.platform-strip a{font-size:11px;gap:7px}.platform-strip .icon{height:16px;width:16px}.concept-note{display:block;margin-top:16px;font-size:11px;text-align:right;color:var(--subtle)}.section-heading{margin-bottom:35px}.section-heading h2,.download-heading h2{font-size:36px}.section-heading>p{font-size:14px;margin-top:20px}.feature-tabs{gap:5px}.feature-tabs button{padding:15px 8px;min-height:92px}.feature-tabs button>span{font-size:12px}.feature-tabs button>.icon:first-child{width:21px;height:21px;margin-bottom:10px}.feature-explorer{gap:18px}.feature-visual{aspect-ratio:1.55}.visual-caption{left:14px;bottom:12px;font-size:11px}.feature-copy{padding-top:23px}.feature-copy h3{font-size:22px}.feature-copy p{font-size:13px;min-height:72px;margin-top:14px}.feature-tags{font-size:11px;gap:10px 17px}.workflow{gap:10px;margin-top:25px;padding-top:20px}.workflow li{font-size:11px}.care-statement{padding-block:16px 50px}.care-inner{grid-template-columns:1fr;gap:35px}.care-image{max-width:480px}.care-copy h2{font-size:34px}.care-copy>p{font-size:18px;margin-top:23px}.care-copy .care-detail{font-size:13px;max-width:40ch}.image-disclosure{margin-top:22px;font-size:11px}.connected{padding-top:45px}.connected-render{width:calc(100% + 20px);max-width:calc(100% + 20px);margin-left:-10px}.connected-stage{min-height:0;margin-top:-12px}.device-copy{padding-top:10px;padding-right:8px}.device-copy>.icon{width:25px;height:25px;margin-bottom:13px}.device-copy h3{font-size:17px}.device-copy p{font-size:12px;line-height:1.8;margin-top:12px}.device-copy>span{font-size:11px;margin-top:15px}.connected-caption{font-size:11px;line-height:1.8;margin-top:26px}.principles{grid-template-columns:1fr;gap:28px;margin-top:40px;padding-top:30px}.principles article{display:grid;grid-template-columns:28px 1fr;column-gap:14px}.principles .icon{margin-top:1px}.principles h3{font-size:16px}.principles p{font-size:12px;max-width:40ch;margin-top:9px}.download-heading img{width:65px;height:65px;border-radius:17px;margin-bottom:23px}.download-heading p{font-size:14px;margin-top:18px}.download-status{font-size:12px;line-height:1.8;padding:14px;margin-top:28px}.download-grid{gap:12px;margin-top:28px}.download-item{padding:23px 16px 20px}.download-item>.platform-icon{width:32px;height:32px;margin-bottom:22px}.download-item h3{font-size:23px}.download-role{font-size:11px;line-height:1.8;min-height:40px;margin-top:11px}.requirements{font-size:11px;margin-top:19px;min-height:36px}.download-action{padding:12px 12px;font-size:12px;min-height:42px}.release-meta{font-size:11px;margin-top:12px}.download-footnote{font-size:11px;line-height:1.8;margin-top:25px}.faq h2{font-size:31px}.faq{gap:25px}.faq summary{font-size:14px;padding:22px 0;gap:18px}.faq details>p{font-size:12px;line-height:1.9;padding-bottom:23px}.site-footer{padding-block:30px 25px}.footer-top{flex-wrap:wrap;gap:25px}.footer-top p{order:3;width:100%;font-size:13px}.footer-bottom{padding-top:28px;font-size:11px;gap:15px}.footer-top .text-link{font-size:12px}.mobile-only{display:initial}}
@media(min-width:601px) and (max-width:860px){.hero-art{right:-145px;top:110px;width:900px;height:650px}.hero-art img{object-fit:contain}}
@media(max-width:360px){.hero{height:825px}.hero-actions{gap:18px}.hero-actions .button{min-width:140px}.hero-art{right:-130px;top:300px;width:770px;height:510px}.platform-strip a{gap:5px;font-size:11px}.download-item{padding:20px 12px}.download-item h3{font-size:21px}.feature-tabs button{padding-inline:3px}.feature-tabs button>span{font-size:11px;white-space:nowrap}.care-copy h2{font-size:28px}.hero-first{font-size:1.55em}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.hero-art{transform:none;filter:none}}

.brand img.brand-logo{width:154px;height:46px;border-radius:0;object-fit:contain}@media(max-width:600px){.brand img.brand-logo{width:124px;height:37px}}