:root{color-scheme:light;--page:#fbfcfc;--surface:#f0f4f5;--panel:#fbfcfc;--text:#14252d;--muted:#56656d;--line:#dce3e6;--accent:#d91f3e;--active:#fbeef0;--button:#fbfcfc;--shadow:rgba(45,65,75,.10);--radius:8px;--z-marker:2;--z-controls:3;--z-header:5;--z-focus:8;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif}
html[data-theme=dark]{color-scheme:dark;--page:#131b20;--surface:#1d2a32;--panel:#172128;--text:#e8eef1;--muted:#b3c1c9;--line:#33434c;--accent:#ff657f;--active:#3c2732;--button:#23313a;--shadow:rgba(1,8,12,.24)}
@media(prefers-color-scheme:dark){html:not([data-theme=light]){color-scheme:dark;--page:#131b20;--surface:#1d2a32;--panel:#172128;--text:#e8eef1;--muted:#b3c1c9;--line:#33434c;--accent:#ff657f;--active:#3c2732;--button:#23313a;--shadow:rgba(1,8,12,.24)}}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--page);color:var(--text);font-size:15px;line-height:1.65}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;border:0;background:transparent;white-space:nowrap}button:active{transform:translateY(1px)}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,summary:focus-visible,#stage:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:focus:not(:focus-visible){outline:none}h1,h2,h3,p{margin:0}i.ph{display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1}img{display:block;max-width:100%}.skip-link{position:fixed;top:12px;left:12px;padding:10px 20px;background:var(--text);color:var(--page);z-index:var(--z-focus);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}
.site-header{height:78px;max-width:1600px;padding:0 56px;margin:auto;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:48px}.brand img{width:104px;height:auto}.site-header nav{display:flex;align-items:center;gap:36px;margin-left:auto;font-size:14px}.site-header nav a{padding:8px 0}.site-header nav a:hover{color:var(--accent)}.icon-button{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius);background:var(--button);transition:background .16s,color .16s}.icon-button:hover{background:var(--line)}.theme-button{background:transparent;margin-left:4px}
main{max-width:1600px;margin:0 auto;padding:0 56px}.intro{padding:32px 0 28px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:12px}.intro h1{font-size:clamp(36px,4.1vw,60px);font-weight:530;letter-spacing:-2.3px;line-height:1.12}.trademark{font-size:.33em;vertical-align:super;letter-spacing:0;margin-left:2px}.intro-description{color:var(--muted);font-size:15px;margin-top:15px;line-height:1.7}.mobile-break{display:none}
.experience{display:grid;grid-template-columns:minmax(0,1fr) 334px;min-height:560px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}.stage-wrap{position:relative;min-width:0;background:var(--surface);height:560px;isolation:isolate}.stage-top{position:absolute;left:24px;right:24px;top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:var(--z-controls)}.stage-label{color:var(--muted);font-size:12px}.text-button{display:inline-flex;align-items:center;gap:7px;min-height:40px;font-size:12px;padding:6px 4px;color:var(--muted)}.text-button:hover{color:var(--accent)}.text-button i.ph{font-size:17px}#stage{position:absolute;inset:0;touch-action:none}#stage canvas{display:block;position:absolute;inset:0;width:100%;height:100%;touch-action:none}#hotspot-layer{position:absolute;inset:0;z-index:var(--z-marker);pointer-events:none;overflow:hidden}.hotspot{position:absolute;left:0;top:0;width:32px;height:32px;border:1px solid rgba(255,255,255,.8);background:rgba(250,252,253,.94);border-radius:50%;color:#182b35;box-shadow:0 2px 9px rgba(13,35,48,.22);font-size:12px;font-weight:600;pointer-events:auto;will-change:transform}.hotspot.selected{color:#fff;background:#d91f3e;box-shadow:0 0 0 4px rgba(217,31,62,.14)}.hotspot:hover{box-shadow:0 0 0 5px rgba(217,31,62,.2)}.stage-bottom{position:absolute;left:22px;right:22px;bottom:50px;z-index:var(--z-controls);display:flex;align-items:center;justify-content:space-between;gap:14px}.view-switch{display:flex;border:1px solid var(--line);background:var(--button);padding:4px;border-radius:var(--radius)}.view-switch button{font-size:12px;min-height:34px;padding:6px 13px;border-radius:4px;color:var(--muted)}.view-switch button:hover{color:var(--text)}.view-switch button.active{background:var(--text);color:var(--page)}.view-tools{display:flex;align-items:center;gap:2px;background:var(--button);padding:3px;border:1px solid var(--line);border-radius:var(--radius)}.view-tools .icon-button{height:34px;width:34px}.view-tools .icon-button i{font-size:17px}.view-tools .icon-button[aria-pressed=true]{color:var(--accent)}.tool-divider{height:17px;width:1px;background:var(--line);margin:0 3px}.interaction-hint{position:absolute;bottom:17px;left:24px;right:24px;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:11px;pointer-events:none}.interaction-hint i{font-size:15px}.feature-panel{border-left:1px solid var(--line);display:flex;flex-direction:column;padding:25px 24px 22px}.feature-panel-heading h2{font-size:22px;font-weight:550;letter-spacing:-.7px}.feature-panel-heading p{font-size:12px;color:var(--muted);margin-top:6px}.feature-list{display:grid;gap:2px;margin:22px -10px 18px}.feature-item{display:flex;align-items:center;gap:12px;width:100%;padding:9px 10px;min-height:39px;font-size:13px;text-align:left;border-radius:5px;color:var(--muted)}.feature-number{font-size:10px;display:flex;justify-content:center;align-items:center;width:21px;height:21px;flex-shrink:0;border:1px solid var(--line);border-radius:50%}.feature-item .ph{font-size:13px;margin-left:auto}.feature-item:hover{background:var(--surface);color:var(--text)}.feature-item.selected{color:var(--accent);background:var(--active)}.feature-item.selected .feature-number{background:var(--accent);color:var(--page);border-color:var(--accent)}.feature-detail{border-top:1px solid var(--line);padding-top:19px;margin-top:auto;min-height:148px}.detail-eyebrow{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);margin-bottom:8px}.feature-detail h3{font-size:16px;font-weight:550;line-height:1.5}.feature-detail p{font-size:12px;color:var(--muted);margin-top:7px;line-height:1.8;min-height:43px}.screen-toggle{margin-top:7px;color:var(--text);font-size:11px}.model-note{font-size:11px;line-height:1.7;color:var(--muted);margin:13px 0 0}
.loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:30px;background:var(--surface);z-index:var(--z-marker);font-size:12px;color:var(--muted)}.loading-silhouette{width:260px;height:175px;border:10px solid var(--line);background:var(--button);border-radius:14px;transform:perspective(800px) rotateY(-18deg) rotateX(8deg)}.loading[hidden]{display:none}.fallback{position:absolute;inset:64px 24px 100px;text-align:center;z-index:var(--z-marker);background:var(--surface)}.fallback[hidden]{display:none}.fallback img{height:75%;object-fit:contain;margin:auto}.fallback p{font-size:12px;color:var(--muted)}.secondary-button{border:1px solid var(--line);padding:7px 16px;border-radius:var(--radius);font-size:12px;margin-top:10px;background:var(--button)}
.product-details{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:80px;padding:104px 0 80px}.detail-copy h2,.specifications>h2{font-size:clamp(30px,3.4vw,46px);font-weight:530;line-height:1.25;letter-spacing:-1.5px}.detail-copy p{font-size:14px;max-width:360px;line-height:1.95;color:var(--muted);margin-top:26px}.source-link{display:inline-flex;align-items:center;gap:12px;font-size:12px;margin-top:27px;color:var(--accent)}.source-link .ph{font-size:16px}.reference-image{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;padding:22px 14px 0}.reference-image img{width:100%;height:auto}.reference-image figcaption{font-size:10px;color:#56656d;padding:12px 2px}.specifications{border-top:1px solid var(--line);padding:70px 0 80px}.key-specs{display:grid;grid-template-columns:1fr 1.3fr 1fr;margin:40px 0 45px;gap:40px}.key-specs>div+div{border-left:1px solid var(--line);padding-left:40px}.key-specs strong{font-size:clamp(26px,3.2vw,42px);font-weight:450;letter-spacing:-1px;line-height:1.3}.key-specs strong span{font-size:14px;letter-spacing:0;margin-left:8px;color:var(--muted)}.key-specs p{font-size:12px;color:var(--muted);margin-top:9px}.all-specs{border-top:1px solid var(--line);padding-top:20px}.all-specs summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:13px}.all-specs summary::-webkit-details-marker{display:none}.all-specs[open] summary .ph{transform:rotate(45deg)}.spec-groups{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:27px}.spec-groups dl{margin:0}.spec-groups dt{font-size:13px;font-weight:600;margin-bottom:15px}.spec-groups dd{font-size:13px;color:var(--muted);margin:8px 0}.spec-note{font-size:11px;color:var(--muted);margin-top:24px}footer{max-width:1600px;margin:auto;border-top:1px solid var(--line);padding:25px 56px 32px;display:flex;align-items:center;gap:28px}footer img{width:76px;height:auto}footer p,footer a{font-size:10px;color:var(--muted)}footer a{margin-left:auto;display:flex;align-items:center;gap:8px}footer .ph{font-size:13px}.stage-wrap:fullscreen{width:100%;height:100dvh;background:var(--surface)}
@media(min-width:1600px){.stage-wrap{height:620px}.experience{min-height:620px}.feature-panel{padding:32px}.feature-list{gap:8px;margin-top:28px}.feature-detail p{font-size:13px}}
@media(max-width:1100px){.site-header{padding:0 28px}main{padding:0 28px}.experience{grid-template-columns:minmax(0,1fr) 294px}.feature-panel{padding:23px 20px}.stage-wrap{height:570px}.stage-bottom{flex-wrap:wrap;justify-content:center;gap:10px}.view-tools .icon-button{width:32px}.view-switch button{padding:6px 12px}.product-details{gap:40px}footer{padding:24px 28px}}
@media(max-width:767px){.site-header{height:66px;padding:0 20px;gap:16px}.brand img{width:86px}.site-header nav{gap:18px;font-size:12px}.site-header nav a:nth-child(2){display:none}.theme-button{width:30px;margin-left:0}main{padding:0 16px}.intro{padding:26px 4px 24px}.breadcrumb{font-size:10px;margin-bottom:12px}.intro h1{font-size:36px;letter-spacing:-1.5px}.intro-description{font-size:13px;margin-top:12px}.mobile-break{display:block}.experience{display:flex;flex-direction:column;min-height:0}.stage-wrap{height:460px;width:100%}.stage-top{left:16px;right:16px;top:9px}.stage-label{font-size:10px}.stage-top .text-button{font-size:10px}.stage-bottom{left:14px;right:14px;bottom:47px;gap:8px}.view-switch button{font-size:11px;padding:4px 14px;min-height:31px}.view-tools{padding:2px}.view-tools .icon-button{width:34px;height:32px}.interaction-hint{font-size:10px;bottom:16px;left:10px;right:10px}.feature-panel{border-left:0;border-top:1px solid var(--line);padding:24px 20px}.feature-panel-heading h2{font-size:20px}.feature-list{grid-template-columns:1fr 1fr;column-gap:8px;margin:17px -6px 20px}.feature-item{padding:8px 6px;font-size:11px;gap:7px;min-height:38px}.feature-number{width:19px;height:19px;font-size:9px}.feature-item>.ph{display:none}.feature-detail{min-height:134px;padding-top:17px}.feature-detail p{min-height:25px}.model-note{font-size:10px;padding:0 3px}.product-details{grid-template-columns:1fr;gap:30px;padding:62px 4px 52px}.detail-copy h2{font-size:32px}.detail-copy p{font-size:13px;margin-top:18px;max-width:none}.reference-image{padding-top:14px}.specifications{padding:44px 4px 50px}.specifications>h2{font-size:30px}.key-specs{grid-template-columns:1fr 1fr;gap:27px 18px;margin:29px 0}.key-specs>div+div{padding-left:0;border-left:0}.key-specs>div:last-child{grid-column:1/-1}.key-specs strong{font-size:29px}.key-specs strong span{font-size:12px}.key-specs p{font-size:11px}.spec-groups{grid-template-columns:1fr;gap:25px}footer{padding:24px 20px;gap:16px;align-items:flex-start;flex-wrap:wrap}footer p{max-width:230px}footer a{margin-left:0}footer img{width:62px}}
/* Keep the complete viewer and its tools visible on typical laptop displays. */
@media(min-width:768px){
  .site-header{height:70px}
  .brand{background:#f82350;border-radius:4px;padding:6px 10px;line-height:0}
  .brand img{width:88px}
  .intro{padding:18px 0 20px}
  .breadcrumb{margin-bottom:6px;font-size:11px;line-height:1.5}
  .intro h1{font-size:clamp(40px,3.8vw,54px);line-height:1.1}
  .intro-description{margin-top:9px;font-size:13px}
  .experience{min-height:0}
  .stage-wrap{height:auto;min-height:clamp(460px,calc(100dvh - 252px),620px)}
  .feature-panel{padding:18px 24px}
  .feature-panel-heading h2{font-size:20px}
  .feature-list{margin-top:12px;margin-bottom:12px;gap:1px}
  .feature-item{min-height:32px;padding-top:4px;padding-bottom:4px}
  .feature-detail{min-height:133px;padding-top:14px}
  .feature-detail p{min-height:0;font-size:11px;line-height:1.7}
  .feature-detail h3{font-size:14px}
  .screen-toggle{min-height:28px;margin-top:4px}
}
:root{--accent:#c61c39}
html[data-theme=dark]{--accent:#ff657f}
@media(prefers-color-scheme:dark){html:not([data-theme=light]){--accent:#ff657f}}
.brand{background:#f82350;border-radius:4px;padding:6px 10px;line-height:0}
footer img{background:#f82350;padding:5px;border-radius:3px}
.stage-wrap.is-expanded{position:fixed;inset:0;width:100%;height:100dvh;min-height:100dvh;z-index:20;border-radius:0}
body.viewer-expanded{overflow:hidden}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}