:root{color-scheme:dark;--black:#000000;--white:#f5f5f7;--gray:#86868b;--blue:#2997ff;--surface:#1d1d1f;--pressed:#0071e3;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;background:var(--black);color:var(--white);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:6px}::selection{background:var(--blue);color:var(--black)}h1,h2,h3,p{margin:0}h1,h2{font-weight:600;letter-spacing:-.03em}h3{font-weight:600}p{line-height:1.75}img,canvas{display:block;max-width:100%}.visually-hidden{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden;white-space:nowrap}.skip-link{position:fixed;top:12px;left:16px;transform:translateY(-200%);z-index:100;background:var(--surface);padding:12px 20px}.skip-link:focus{transform:none}
.site-header{position:absolute;top:0;left:0;width:100%;z-index:20}.navigation{max-width:1440px;height:88px;margin:0 auto;padding:0 64px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:600;letter-spacing:-.045em}.brand svg{width:19px;height:25px}.navigation-links{display:flex;gap:36px;margin-left:auto;margin-right:34px;color:var(--gray);font-size:14px}.navigation a{transition:color .3s}.navigation-links a:hover{color:var(--white)}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:16px 26px;font-size:15px;line-height:1.1;font-weight:400;cursor:pointer;border:0}.rounded-full{border-radius:999px}.transition-all{transition:background-color .3s,color .3s,transform .3s}.duration-300{transition-duration:.3s}.button:active,.version-button:active{transform:scale(.98)}.primary,.nav-download{background:var(--blue);color:var(--black)}.primary:hover,.nav-download:hover{background:var(--pressed);color:var(--white)}.nav-download{padding:11px 18px;font-size:13px;gap:15px}.text-link{color:var(--blue);font-size:15px;display:inline-flex;align-items:center;gap:12px;transition:color .3s}.text-link:hover{color:var(--white)}
.brand img{width:32px;height:32px;object-fit:contain}
.hero{min-height:860px;height:100svh;max-height:1180px;position:relative;max-width:1600px;margin:auto;isolation:isolate;overflow:hidden}.hero-content{position:relative;z-index:2;width:max-content;max-width:50%;padding:0 0 90px 8.2%;height:100%;display:flex;flex-direction:column;justify-content:center}.product-name{font-size:17px;color:var(--gray);margin-bottom:26px;letter-spacing:-.01em}.hero h1{font-size:clamp(64px,7.05vw,112px);line-height:1.12;white-space:nowrap}.hero-description{margin-top:32px;font-size:19px;color:var(--gray);line-height:1.85;letter-spacing:.025em}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:35px}.hero-product{position:absolute;inset:90px -15% 50px 35%;z-index:1;display:flex;align-items:center;pointer-events:none}.hero-product img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.hero-bottom{position:absolute;z-index:3;left:8.2%;right:8.2%;bottom:55px;display:flex;align-items:flex-end;justify-content:space-between;font-size:13px;color:var(--gray)}.hero-bottom p{color:var(--white)}.hero-bottom p span{display:block;color:var(--gray);font-size:12px;margin-top:5px}.scroll-link{display:flex;align-items:center;gap:24px}.scroll-link span{font-size:20px;color:var(--white)}
.reveal{height:350vh;position:relative}.reveal-stage{height:100svh;min-height:650px;position:sticky;top:0;overflow:hidden}.sequence-visual{position:absolute;inset:0 -12% 0 30%;display:flex;align-items:center}.sequence-visual canvas,.stage-poster{position:absolute;width:100%;height:100%;object-fit:contain;aspect-ratio:4/3}.stage-poster{opacity:1;transition:opacity .3s}.sequence-visual.canvas-ready .stage-poster{opacity:0}.callouts{position:absolute;inset:0;max-width:1440px;margin:0 auto;pointer-events:none}.callout{position:absolute;left:8.4%;top:50%;max-width:580px;opacity:0;transform:translateY(calc(-50% + 28px));transition:opacity .65s ease,transform .65s ease;visibility:hidden}.callout.is-visible{opacity:1;transform:translateY(-50%);visibility:visible}.callout h2{font-size:clamp(45px,5.1vw,76px);line-height:1.19}.callout>p:last-child{font-size:17px;color:var(--gray);margin-top:30px;line-height:1.9}.scene-number{font-size:13px;color:var(--blue);font-variant-numeric:tabular-nums;margin-bottom:24px}.sequence-progress{position:absolute;bottom:42px;left:8.2%;right:8.2%;max-width:1200px;margin:auto;display:flex;align-items:center;gap:24px;font-size:12px;color:var(--gray)}.progress-track{height:1px;background:var(--surface);flex:1;overflow:hidden}.progress-track i{display:block;width:100%;height:100%;background:var(--blue);transform:scaleX(0);transform-origin:left}.progress-number{color:var(--white);font-variant-numeric:tabular-nums}
.section-container{max-width:1200px;margin:0 auto;padding:140px 32px}.section-container h2{font-size:clamp(44px,5.2vw,72px);line-height:1.2}.together{padding-top:180px}.section-lead{font-size:18px;color:var(--gray);margin-top:30px;max-width:660px}.number-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:60px;margin-top:95px}.big-number{font-size:clamp(62px,6.6vw,94px);line-height:1.2;color:var(--blue);font-weight:600;letter-spacing:-.06em;height:114px;display:flex;align-items:center;white-space:nowrap}.big-number span{font-size:20px;letter-spacing:0;margin-left:8px;align-self:center}.canvas-number{font-size:clamp(49px,5.4vw,72px)}.canvas-number span{font-size:37px;margin:0 8px}.music-number svg{width:110px;height:82px;margin-left:8px}.number-grid h3{font-size:21px;margin-top:24px;letter-spacing:-.03em}.number-grid article>p:last-child{font-size:14px;color:var(--gray);margin-top:12px;line-height:1.85}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px}.section-heading>p{color:var(--gray);font-size:17px;padding-bottom:7px}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:65px 90px;margin-top:90px}.spec-value{font-size:clamp(54px,6vw,80px);line-height:1.1;font-weight:600;letter-spacing:-.05em}.spec-grid h3{font-size:17px;margin-top:22px}.spec-grid article>p:last-child{color:var(--gray);font-size:14px;margin-top:8px}.compatibility-note{font-size:12px;color:var(--gray);margin-top:62px}.start{display:grid;grid-template-columns:1fr 1.15fr;gap:100px;padding-top:150px;padding-bottom:150px}.steps{list-style:none;padding:0;margin:0}.steps li{display:flex;gap:26px;margin-bottom:50px}.steps li:last-child{margin-bottom:0}.step-number{color:var(--blue);font-size:15px;line-height:1.6;font-variant-numeric:tabular-nums}.steps h3{font-size:22px;line-height:1.4}.steps p{color:var(--gray);font-size:15px;margin-top:12px;max-width:450px}.steps .text-link{margin-top:15px;font-size:14px}.download{text-align:center;padding-top:145px;padding-bottom:170px}.download h2{font-size:clamp(53px,6.9vw,96px);line-height:1.16}.download .product-name{margin-bottom:25px}.version-picker{display:flex;justify-content:center;gap:8px;margin-top:45px}.version-button{border:0;background:var(--black);color:var(--gray);padding:11px 22px;font-size:14px;cursor:pointer}.version-button[aria-pressed=true]{background:var(--surface);color:var(--white)}.version-button:hover{color:var(--white)}.download-button{margin-top:27px;min-width:274px;padding:19px 30px}.download-meta{margin-top:20px;color:var(--gray);font-size:13px}.download-note{color:var(--gray);font-size:12px;margin-top:8px}.footer{padding-top:45px;padding-bottom:30px}.footer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px}.brand-dot{color:var(--blue);margin-left:-8px}.footer-top>p{color:var(--gray);font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:40px;color:var(--gray);font-size:11px}.footer-bottom>div{display:flex;gap:26px;white-space:nowrap}.footer a:hover{color:var(--white)}
@media(min-width:1600px){.hero-product{inset:50px -9% 0 38%}.hero-content{padding-left:10%}.hero-bottom{left:10%;right:10%}}
@media(max-width:1000px){.navigation{padding:0 32px}.navigation-links{gap:23px;margin-right:10px}.hero{min-height:800px}.hero-content{padding-left:6%;max-width:55%}.hero h1{font-size:clamp(63px,8vw,90px)}.hero-product{inset:140px -23% 70px 25%}.hero-description{font-size:16px}.hero-actions{gap:20px}.hero-bottom{left:6%;right:6%}.callout{left:6%;max-width:470px}.callout h2{font-size:clamp(47px,6vw,64px)}.callout>p:last-child{font-size:15px}.sequence-visual{inset:40px -21% 50px 25%}.number-grid{gap:30px}.section-container{padding-left:40px;padding-right:40px}.start{gap:50px}.section-heading{display:block}.section-heading>p{margin-top:30px}.footer-bottom{flex-direction:column;gap:20px}}
@media(max-width:640px){html{scroll-padding-top:25px}.navigation{height:73px;padding:0 23px;gap:16px}.brand{font-size:21px}.brand svg{width:16px;height:22px}.navigation-links{display:none}.nav-download{padding:10px 15px;font-size:12px}.hero{height:100svh;min-height:800px;max-height:1000px}.hero-content{height:auto;max-width:none;width:auto;padding:130px 26px 0;justify-content:flex-start}.product-name{font-size:14px;margin-bottom:20px}.hero h1{font-size:clamp(56px,13.7vw,80px);line-height:1.15}.hero-description{font-size:15px;margin-top:22px}.hero-actions{margin-top:24px;gap:25px}.hero-actions .button{padding:15px 23px;font-size:14px}.hero-actions .text-link{font-size:13px}.hero-product{inset:390px -17% 58px 5%;align-items:center}.hero-bottom{left:26px;right:26px;bottom:26px}.hero-bottom p{font-size:11px}.hero-bottom p span{font-size:10px}.scroll-link{gap:10px;font-size:10px}.reveal-stage{min-height:700px}.callout{top:25%;left:26px;right:26px;max-width:none}.callout h2{font-size:clamp(42px,10.5vw,59px)}.callout>p:last-child{font-size:13px;margin-top:22px}.scene-number{font-size:11px;margin-bottom:18px}.sequence-visual{inset:31% -20% 6% -5%}.sequence-progress{left:26px;right:26px;bottom:30px;gap:15px;font-size:10px}.section-container{padding:100px 26px}.section-container h2{font-size:clamp(40px,10.5vw,56px)}.section-lead{font-size:15px;margin-top:25px}.number-grid{grid-template-columns:1fr;gap:55px;margin-top:60px}.big-number{font-size:80px;height:100px}.canvas-number{font-size:70px}.number-grid h3{margin-top:12px;font-size:20px}.number-grid article>p:last-child{font-size:14px}.section-heading>p{font-size:15px;margin-top:25px}.spec-grid{gap:46px 18px;margin-top:60px}.spec-value{font-size:clamp(32px,9.8vw,44px)}.spec-grid h3{font-size:14px;margin-top:15px}.spec-grid article>p:last-child{font-size:11px}.compatibility-note{font-size:11px;line-height:1.8;margin-top:45px}.start{display:block}.steps{margin-top:55px}.steps li{gap:22px;margin-bottom:36px}.steps h3{font-size:20px}.steps p{font-size:14px}.download{padding:100px 26px 115px}.download h2{font-size:clamp(43px,11.4vw,61px)}.download-meta{font-size:11px}.download-note{font-size:11px;max-width:300px;margin:8px auto 0}.footer{padding-top:35px;padding-bottom:30px}.footer-top{align-items:flex-start;gap:20px}.footer-top>p{font-size:11px}.footer-bottom{font-size:10px}.footer-bottom>div{gap:20px}}
.verification-dialog{width:min(540px,calc(100% - 32px));max-height:90svh;overflow:auto;padding:38px;background:#1d1d1f;color:#f5f5f7;border:0;border-radius:16px;text-align:left}.verification-dialog::backdrop{background:rgba(0,0,0,.82)}.verification-dialog form{position:relative}.verification-dialog h2{font-size:32px;line-height:1.3;padding-right:25px}.verification-dialog #verification-description{font-size:14px;color:#86868b;margin-top:16px}.verification-dialog label{display:block;font-size:14px;margin:28px 0 10px}.verification-dialog input{width:100%;padding:14px 12px;font:14px ui-monospace,monospace;min-width:0;background:#1d1d1f;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#f5f5f7;transition:border-color .3s}.verification-dialog input::placeholder{color:#86868b;font-size:12px}.verification-dialog input:focus{outline:none;border-color:#2997ff}.verification-dialog .verification-help{font-size:12px;color:#86868b;margin-top:12px;line-height:1.8}.verification-result{font-size:13px;color:#f5f5f7;min-height:44px;margin:18px 0;line-height:1.7}.dialog-close{position:absolute;right:-10px;top:-15px;width:36px;height:36px;background:none;border:0;color:#86868b;font-size:29px;cursor:pointer}.dialog-close:hover{color:#f5f5f7}.verification-dialog button:disabled{opacity:.6;cursor:wait}.verification-dialog .button{width:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.reveal{height:auto}.reveal-stage{position:relative;min-height:0;height:auto;overflow:visible;padding-top:450px}.sequence-visual{inset:0 0 auto;height:430px}.callouts{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:30px 8% 100px}.callout{position:relative;inset:auto;opacity:1;visibility:visible;transform:none!important}.callout h2{font-size:38px}.callout>p:last-child{font-size:14px}.sequence-progress{display:none}}
@media(max-width:640px) and (prefers-reduced-motion:reduce){.reveal-stage{padding-top:360px}.sequence-visual{height:350px}.callouts{grid-template-columns:1fr;padding:20px 26px 50px;gap:60px}.callout h2{font-size:40px}}