:root{--site-ink:#182126;--site-muted:#667078;--site-accent:#f47b35;--site-border:#e3e7e9;--site-dark:#141a1e;--site-white:#fff;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--site-ink);background:#fff;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #f47b35;outline-offset:5px}h1,h2,h3,p{margin-top:0}button{color:inherit}.container{max-width:1280px;margin:0 auto;padding:0 28px}.section-space{padding:80px 0}.section-heading{margin-bottom:36px}.section-heading h2{font-size:clamp(28px,3vw,38px);letter-spacing:-.8px;line-height:1.4;margin:0 0 12px;font-weight:650}.section-heading p{color:var(--site-muted);font-size:17px;margin:0}.centered{text-align:center}.eyebrow{color:#d46224;font-size:13px;letter-spacing:.12em;font-weight:650}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 25px;border:1px solid transparent;border-radius:4px;font-size:15px;font-weight:600;line-height:1.5;white-space:nowrap;transition:background .18s,transform .18s,border-color .18s;text-decoration:none}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--site-accent);border-color:var(--site-accent);color:#171d21}.button.primary:hover{background:#ff9354;border-color:#ff9354}.button.outline{background:transparent;border-color:#aeb5ba;color:var(--site-ink)}.button.outline:hover{background:#f1f3f4}.button.outline.light{border-color:#a8afb3;color:#fff}.button.outline.light:hover{background:#ffffff12}.action-row{display:flex;flex-wrap:wrap;gap:14px}.text-link{display:inline-block;color:#bb4e14;font-size:15px;font-weight:600;border-bottom:1px solid transparent;padding:5px 0}.text-link:hover{border-color:currentColor}.image-note{font-size:13px;color:var(--site-muted);text-align:center;margin:26px 0 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{height:80px;background:#fff;color:var(--site-ink);border-bottom:1px solid #e8ebec;position:sticky;top:0;z-index:30;line-height:1.5}.site-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.site-logo{width:80px;height:52px;object-fit:contain}.site-brand-label{font-size:18px;font-weight:600;letter-spacing:.1em}.site-nav{display:flex;align-items:center;gap:32px;height:100%}.site-nav>a,.site-nav>button,.site-products>summary{font-size:15px;font-weight:500;padding:28px 0;line-height:24px;border:0;background:none;white-space:nowrap;position:relative;color:var(--site-ink)}.site-nav>[aria-current=page]::after,.site-products.is-current>summary::after{content:"";position:absolute;bottom:16px;left:0;right:0;height:2px;background:var(--site-accent)}.site-nav>a:hover,.site-nav>button:hover,.site-products>summary:hover{color:#b84d14}.site-products{position:relative}.site-products>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:7px}.site-products>summary::-webkit-details-marker{display:none}.nav-chevron{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .2s}.site-products[open] .nav-chevron{transform:rotate(180deg)}.product-dropdown{position:absolute;top:71px;left:-20px;min-width:270px;background:#fff;border:1px solid var(--site-border);border-radius:6px;padding:8px;box-shadow:0 16px 40px #17242e15}.product-dropdown a{display:block;padding:14px;border-radius:3px;font-size:15px}.product-dropdown a:hover{background:#f4f6f7}.product-dropdown strong{display:block}.product-dropdown span{font-size:12px;color:var(--site-muted)}.site-menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--site-border);border-radius:4px;background:#fff;align-items:center;justify-content:center}.site-menu-toggle svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.7;fill:none}.site-skip{position:fixed;left:16px;top:-100px;z-index:90;background:#fff;padding:12px;color:#111}.site-skip:focus{top:12px}
.home-hero{background:var(--site-dark);color:#fff;overflow:hidden}.home-hero-layout{min-height:610px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:35px}.home-hero-copy{padding:50px 0}.new-product{display:inline-block;font-size:14px;font-weight:600;letter-spacing:.05em;background:var(--site-accent);padding:4px 12px;border-radius:3px;color:#12181c;margin-bottom:20px}.home-hero h1{font-size:clamp(40px,4.8vw,66px);line-height:1.22;font-weight:650;letter-spacing:-2px;margin:0 0 23px;white-space:nowrap}.hero-subtitle{font-size:clamp(21px,2.3vw,30px);line-height:1.5;font-weight:500;margin:0 0 11px}.hero-description{font-size:16px;color:#bac0c4;line-height:1.8;margin:0 0 30px;max-width:550px}.hero-product-photo{height:590px;display:flex;align-items:center;justify-content:center}.hero-product-photo img{height:630px;width:472.5px;max-width:none;object-fit:contain;filter:drop-shadow(0 22px 22px #0005)}.home-products{padding-bottom:42px}.product-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.product-choice{background:#f3f5f6;border-radius:6px;display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:center;padding:24px 26px 24px 10px;min-height:290px}.choice-image{height:240px;display:flex;align-items:center;justify-content:center}.choice-image img{max-height:300px;max-width:none;width:225px;object-fit:contain}.choice-image.ykc img{max-height:270px;width:122px}.product-choice h3{font-size:26px;font-weight:600;margin:0 0 12px}.product-choice h3 span{color:#bb4e14;margin-left:6px}.product-choice p{color:#626c74;font-size:15px;line-height:1.9;margin:0 0 20px}.choice-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.choice-actions .button{font-size:14px;padding:10px 18px;min-height:42px}.application-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.application-trio img{width:100%;height:235px;object-fit:cover;border-radius:5px}.application-trio h3{font-size:23px;margin:20px 0 5px;font-weight:600}.application-trio p{font-size:16px;color:var(--site-muted);margin:0}.home-experience{background:var(--site-dark);color:#fff;overflow:hidden}.experience-promo-layout{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:35px;min-height:430px}.home-experience h2{font-size:clamp(28px,3.2vw,40px);font-weight:600;letter-spacing:-.8px;line-height:1.4;margin:0 0 20px}.home-experience p{font-size:18px;color:#c2c8cc;line-height:1.9;margin-bottom:28px}.experience-products{height:430px;display:flex;align-items:center;justify-content:center;gap:3px}.mini-device{position:relative;flex-shrink:0}.mini-d{width:282px}.mini-c{width:176px}.mini-device img{width:100%;height:auto;filter:drop-shadow(0 12px 14px #0005)}.mini-lcd{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#020604;color:#fff;container-type:inline-size;font-family:Arial,"PingFang SC",sans-serif;line-height:1.2;isolation:isolate;overflow:hidden;border-radius:2px}.mini-d .mini-lcd{left:36.8%;top:33.8%;width:25.8%;height:19.3%}.mini-c .mini-lcd{left:27.4%;top:24.3%;width:45.5%;height:19.8%}.mini-lcd:before{content:"";position:absolute;border:3px solid #82ff00;border-bottom-color:transparent;border-radius:50%;inset:10% 9% 11%;z-index:-1}.mini-lcd span{font-size:9cqw;padding-top:3%}.mini-lcd strong{font-size:25cqw;line-height:1.2;font-weight:400}.mini-lcd small{font-size:10cqw}.mini-lcd em{position:absolute;bottom:3%;font-size:8cqw;font-style:normal}.about-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}.home-about h2{font-size:36px;font-weight:600;line-height:1.4;letter-spacing:-.8px}.home-about h2:after{content:"";display:block;width:40px;height:3px;background:var(--site-accent);margin-top:22px}.about-lead{font-size:25px;line-height:1.7;margin-bottom:17px}.home-about p:not(.about-lead){font-size:17px;color:var(--site-muted);margin-bottom:20px}
.site-footer{display:block!important;padding:0!important;margin:0!important;max-width:none!important;border-top:1px solid var(--site-border);background:#f9fafb;color:var(--site-ink);font-size:14px;line-height:1.7}.footer-cta{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:48px 0;border-bottom:1px solid var(--site-border)}.footer-cta h2{font-size:27px;font-weight:600;margin:0;line-height:1.5}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr 1.2fr;gap:35px;padding:45px 0}.footer-grid h3{font-size:14px;margin:0 0 15px;font-weight:600}.footer-grid a,.footer-grid button{display:block;color:var(--site-muted);font-size:14px;border:0;padding:4px 0;text-align:left;background:none}.footer-grid a:hover,.footer-grid button:hover{color:#b84d14}.footer-brand p{color:var(--site-muted);margin:14px 0 0;font-size:13px}.footer-logo{width:76px;height:48px;object-fit:contain}.footer-bottom{border-top:1px solid var(--site-border);padding:18px 0;font-size:12px;display:flex;justify-content:space-between;gap:16px;color:var(--site-muted)}
.site-dialog{color:var(--site-ink);background:#fff;border:0;border-radius:10px;padding:0;width:min(640px,calc(100% - 32px));max-height:calc(100dvh - 48px);overflow:auto;box-shadow:0 30px 100px #0004;line-height:1.7}.site-dialog::backdrop{background:#10191fd0;backdrop-filter:blur(3px)}.site-dialog-inner{padding:38px}.site-dialog-close{position:absolute;right:14px;top:14px;width:36px;height:36px;display:grid;place-items:center;background:#f4f6f7;border:0;border-radius:50%;color:#47525a}.site-dialog-close svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7}.site-dialog h2{font-size:28px;font-weight:600;line-height:1.4;margin:0 0 12px;padding-right:25px}.dialog-description{color:var(--site-muted);font-size:15px;margin-bottom:22px}.download-tabs{display:flex;gap:8px;margin-bottom:24px}.download-tabs button{flex:1;padding:12px;border:1px solid var(--site-border);border-radius:4px;background:#fff;font-size:15px}.download-tabs [aria-pressed=true]{border-color:#e27032;background:#fff4eb;color:#a3410c}.download-preview{display:flex;align-items:center;gap:24px;background:#f5f7f8;padding:20px;margin-bottom:23px;border-radius:5px;min-height:185px}.download-preview img{width:80px;height:140px;object-fit:contain}.download-preview h3{font-size:19px;line-height:1.5;margin:0 0 8px}.download-preview p{font-size:14px;margin:0;color:var(--site-muted)}.dialog-note{font-size:12px;color:var(--site-muted);margin:20px 0 0}.contact-product{display:inline-block;padding:5px 12px;border-radius:3px;background:#fff2e7;color:#a84b18;font-size:14px;margin-bottom:22px}.contact-options{display:grid;gap:0;margin:0 0 22px}.contact-options>div{padding:14px 0;border-bottom:1px solid var(--site-border)}.contact-options dt{font-size:12px;color:var(--site-muted);margin-bottom:3px}.contact-options dd{margin:0;font-size:18px;font-weight:500;overflow-wrap:anywhere}.contact-options a:hover{text-decoration:underline;text-underline-offset:4px}.contact-channel{font-size:13px;color:var(--site-muted);margin:18px 0 0}.site-toast{position:fixed;z-index:100;bottom:28px;left:50%;transform:translateX(-50%);background:#172328;color:#fff;padding:12px 24px;border-radius:5px;font-size:14px;box-shadow:0 4px 30px #0002;max-width:calc(100% - 32px);text-align:center}.site-toast:empty{display:none}body:has(dialog[open]){overflow:hidden}
/* The working simulator keeps its own display theme inside the shared site navigation. */
body[data-page=experience] .site-header,body[data-page=experience] .site-footer{--site-ink:#182126;--site-muted:#667078;color-scheme:light}body[data-page=experience] #experience{padding-top:35px;padding-bottom:35px}body[data-page=experience] .site-dialog{color-scheme:light}body[data-page=experience] .site-nav{align-self:auto}body[data-page=experience] #model-footer{display:none}
@media(min-width:1500px){.home-hero-layout{min-height:650px}.hero-product-photo{height:630px}.hero-product-photo img{height:680px;width:510px}}
@media(max-width:1080px){.site-nav{gap:20px}.site-brand-label{display:none}.product-choice{grid-template-columns:120px 1fr;gap:16px;padding-right:22px}.choice-image img{width:190px}.choice-actions{gap:16px}.product-choice h3{font-size:23px}.home-hero-layout{grid-template-columns:1.15fr .85fr;gap:0;min-height:540px}.home-hero h1{font-size:54px}.hero-product-photo{height:540px}.hero-product-photo img{height:590px;width:442px}.application-trio img{height:200px}.experience-promo-layout{gap:0;grid-template-columns:1.1fr .9fr}.mini-d{width:238px}.mini-c{width:140px}.home-experience p{font-size:16px}.site-header-inner{gap:16px}}
@media(max-width:800px){html{scroll-padding-top:86px}.container{padding:0 22px}.site-header{height:72px}.site-brand-label{display:block;font-size:16px}.site-logo{width:66px;height:46px}.site-menu-toggle{display:flex}.site-header-contact{display:none!important}.site-nav{display:none;position:absolute;left:0;right:0;top:71px;height:auto;padding:12px 22px 22px;background:#fff;border-bottom:1px solid var(--site-border);box-shadow:0 15px 25px #15283214;max-height:calc(100dvh - 72px);overflow:auto;align-items:stretch;gap:0;flex-direction:column}.site-nav.is-open{display:flex}.site-nav>a,.site-nav>button,.site-products>summary{display:flex;padding:14px 0;text-align:left;width:100%;font-size:16px}.site-nav>[aria-current=page]::after,.site-products.is-current>summary::after{display:none}.site-nav>[aria-current=page],.site-products.is-current>summary{color:#b84d14}.product-dropdown{position:static;box-shadow:none;border:0;border-left:2px solid var(--site-accent);border-radius:0;margin:2px 0 12px;padding:0 8px}.site-nav .mobile-contact{display:block!important;margin-top:12px;padding:13px 18px;background:var(--site-accent);text-align:center;border-radius:4px}.home-hero h1{font-size:44px}.home-hero-layout{min-height:490px;grid-template-columns:1.15fr .85fr}.hero-product-photo{height:490px}.hero-product-photo img{height:490px;width:367px}.hero-subtitle{font-size:22px}.hero-description{font-size:14px}.home-hero-copy{padding:40px 0}.home-hero .button{padding:10px 20px}.product-pair{gap:15px}.product-choice{display:flex;flex-direction:column;align-items:stretch;padding:25px;gap:15px}.choice-image{height:215px}.choice-image img{max-height:240px}.choice-image.ykc img{max-height:238px;width:110px}.section-space{padding:60px 0}.home-products{padding-bottom:15px}.application-trio{gap:16px}.application-trio img{height:160px}.application-trio h3{font-size:20px}.application-trio p{font-size:14px}.home-experience h2{font-size:30px}.experience-products{height:370px;gap:0}.mini-d{width:203px}.mini-c{width:119px}.home-experience .button{font-size:14px;padding:10px 17px}.about-layout{gap:35px}.home-about h2{font-size:30px}.about-lead{font-size:22px}.footer-grid{grid-template-columns:1fr 1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-cta h2{font-size:24px}}
@media(max-width:600px){.section-space{padding:48px 0}.container{padding:0 20px}.section-heading{margin-bottom:26px}.section-heading h2{font-size:26px;letter-spacing:-.5px}.section-heading p{font-size:14px}.home-hero-layout{display:flex;flex-direction:column;gap:0;min-height:0}.home-hero-copy{padding:36px 0 8px;width:100%;text-align:left}.home-hero h1{font-size:clamp(36px,9vw,48px);letter-spacing:-1.5px;line-height:1.22;margin-bottom:18px}.new-product{font-size:12px;margin-bottom:16px}.hero-subtitle{font-size:22px;margin-bottom:8px}.hero-description{font-size:14px;max-width:330px;margin-bottom:23px}.hero-product-photo{height:315px;width:100%;margin-top:0}.hero-product-photo img{height:360px;width:270px}.home-hero .action-row{gap:12px}.home-hero .button{min-height:44px;font-size:14px;padding:10px 23px}.home-products{padding-bottom:6px}.product-pair{grid-template-columns:1fr}.product-choice{display:grid;grid-template-columns:108px 1fr;padding:23px 18px 23px 6px;gap:15px;min-height:220px}.choice-image{height:185px}.choice-image img{max-height:233px;width:174px}.choice-image.ykc img{max-height:215px;width:101px}.product-choice h3{font-size:21px;margin-bottom:8px}.product-choice h3 span{margin-left:3px}.product-choice p{font-size:13px;margin-bottom:16px}.choice-actions{gap:12px}.choice-actions .button{padding:9px 14px;font-size:13px}.choice-actions .text-link{font-size:13px}.application-trio{grid-template-columns:1fr;gap:26px}.application-trio img{height:220px}.application-trio h3{margin-top:14px;font-size:22px}.application-trio p{font-size:15px}.image-note{font-size:12px;margin-top:22px}.experience-promo-layout{display:flex;flex-direction:column;align-items:stretch;padding-top:42px}.home-experience h2{font-size:29px;margin-bottom:16px}.home-experience p{font-size:15px;margin-bottom:22px}.experience-products{height:320px;gap:4px;margin-top:12px}.mini-d{width:220px}.mini-c{width:130px}.about-layout{grid-template-columns:1fr;gap:24px}.home-about h2{font-size:29px;margin:0}.home-about h2:after{margin-top:16px}.about-lead{font-size:21px}.home-about p:not(.about-lead){font-size:15px}.footer-cta{padding:32px 0;display:block}.footer-cta h2{font-size:24px;margin-bottom:22px}.footer-grid{grid-template-columns:1fr 1fr;padding:32px 0;gap:26px}.footer-brand{grid-column:1/-1}.footer-contact{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:4px;font-size:11px}.site-dialog-inner{padding:30px 22px}.site-dialog h2{font-size:25px}.download-tabs button{font-size:14px;padding:10px 6px}.download-preview{padding:18px 12px;gap:12px}.download-preview h3{font-size:17px}.site-dialog .button{font-size:14px;padding:10px 18px}.contact-options dd{font-size:18px}.site-dialog-close{width:32px;height:32px;right:10px;top:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;animation-iteration-count:1!important}}

[data-site-header]{position:sticky;top:0;z-index:30}.site-header{position:relative}
body[data-page=experience]{color:var(--ink);color-scheme:dark}
/* Preserve the supplied illuminated photograph; the existing transparent front
   photograph supplies the silhouette when compositing onto the website. */
.ykd-lit-photo{-webkit-mask-image:url('ykd-front.png?v=1.1.0');mask-image:url('ykd-front.png?v=1.1.0');-webkit-mask-mode:alpha;mask-mode:alpha;-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-position:center;mask-position:center;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}