@charset "UTF-8";
:root{--ink:#1d1d1f;--muted:#6e6e73;--paper:#fff;--line:#d2d2d7;--blue:#0071e3}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}body{margin:0;color:var(--ink);background:white;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #2997ff;outline-offset:5px}.skip{position:fixed;top:-90px;z-index:100;background:white;padding:16px}.skip:focus{top:10px}header{height:64px;padding:0 max(5%,calc((100% - 1200px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fafafae8;backdrop-filter:blur(20px);position:sticky;top:0;z-index:20;border-bottom:1px solid #0000000d}.brand{font:800 33px/1 Arial,sans-serif;letter-spacing:-3px;display:flex;align-items:center;gap:17px}.brand span{font-size:14px;letter-spacing:2px;font-weight:500;border-left:1px solid #bbb;padding-left:17px}nav{display:flex;gap:34px;font-size:13px}nav a{padding:12px 0;color:#555}nav a:hover{color:#000}.header-link{background:var(--blue);color:white;padding:9px 17px;border-radius:30px;font-size:12px}.header-link span{margin-left:8px}.hero{background:#000;color:#f5f5f7;text-align:center;position:relative;overflow:hidden;min-height:920px;display:flex;flex-direction:column;align-items:center}.hero-copy{position:relative;z-index:2;padding:65px 5% 0;width:100%}.eyebrow{font-size:14px;line-height:1.5;font-weight:600;letter-spacing:1px;margin:0 0 24px}.hero .eyebrow{font-size:22px;letter-spacing:0;margin-bottom:20px}.hero h1{font-size:clamp(52px,6vw,88px);font-weight:650;letter-spacing:-3px;line-height:1.15;margin:0 0 23px}.hero h1 br{display:block}.intro{font-size:24px;line-height:1.55;margin:0 0 25px;color:#a1a1a6;font-weight:500}.intro br{display:none}.intro br:after{content:' '}.button{display:inline-flex;align-items:center;gap:18px;padding:13px 25px;border-radius:30px;background:var(--blue);font-size:16px;color:#fff}.button:hover,.header-link:hover{background:#0077ed}.hero-tag{display:none}.hero-image{display:block;width:min(100%,1080px);height:570px;object-fit:contain;order:2;margin-top:-12px}.hero-shade{display:none}.hero-bottom{position:absolute;bottom:24px;left:5%;right:5%;display:flex;justify-content:space-between;color:#a1a1a6;font-size:12px;z-index:3}.concept{position:absolute;bottom:55px;right:5%;color:#86868b;font-size:12px}.section{padding:130px max(7%,calc((100% - 1200px)/2))}h2{font-size:clamp(38px,4.7vw,66px);font-weight:650;letter-spacing:-2px;line-height:1.18;margin:0}p{font-size:18px;line-height:1.75}.essence{text-align:center;background:#fff}.essence .eyebrow,.about .eyebrow{color:var(--muted)}.essence>p:not(.eyebrow){font-size:24px;font-weight:500;color:#86868b;margin:35px 0 65px;line-height:1.65}.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:left}.pillars a{padding:30px;border-radius:22px;background:#f5f5f7;position:relative;transition:transform .25s}.pillars a:hover{transform:translateY(-5px)}.pillars b{display:block;font-weight:500;font-size:13px;color:var(--muted);margin-bottom:22px}.pillars span{font-size:27px;font-weight:600}.pillars small{display:block;color:var(--muted);font-size:14px;font-weight:400;margin-top:12px;line-height:1.7}.pillars i{position:absolute;right:24px;top:24px;font-style:normal;color:var(--blue)}.technology{background:#f5f5f7}.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:65px}.section-top .eyebrow{color:var(--muted)}.section-top>p{color:var(--muted);font-size:17px;flex-shrink:0}.feature{display:grid;grid-template-columns:1.05fr 1fr;background:#fff;border-radius:28px;overflow:hidden}.tech-visual{background:#eaf3fa;padding:36px 25px;display:flex;flex-direction:column;justify-content:space-between}.diagram-label{font-size:14px;font-weight:500}.diagram-label span{float:right;font-size:12px;color:var(--muted)}.tech-visual svg{width:100%;min-height:260px;filter:grayscale(1)}.tech-visual text{font-size:13px;fill:#555}.feature-copy{padding:55px 45px}.number{font-size:14px;color:var(--muted);font-weight:500}h3{font-size:38px;font-weight:600;line-height:1.3;letter-spacing:-1px;margin:26px 0}.feature-copy p,.small-feature p{font-size:17px;color:var(--muted);line-height:1.8}.feature-note{font-size:13px;display:block;margin-top:30px;padding-top:23px;border-top:1px solid var(--line);color:var(--muted)}.water-control{display:flex;align-items:center;gap:14px;font-size:12px;color:#555}.water-control input{width:34%;accent-color:var(--blue);cursor:pointer}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:25px}.small-feature{padding:45px;border-radius:28px;background:#fff;position:relative}.small-feature svg{width:40px;height:40px;position:absolute;right:40px;top:34px;fill:none;stroke:var(--blue);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.small-feature h3{margin-top:45px}.technical-note{font-size:12px;color:var(--muted);margin:25px 0 0}.living{background:#fff;display:flex;flex-direction:column;padding:120px 0 0}.living-copy{order:0;text-align:center;padding:0 7% 55px}.living-copy .eyebrow{color:var(--muted)}.living-copy h2{font-size:clamp(38px,4.7vw,66px)}.living-photo{order:1;position:relative;margin:0 3%;height:650px;border-radius:28px;overflow:hidden}.living-photo img{height:100%;width:100%;object-fit:cover;object-position:center 58%}.living-photo>span{position:absolute;bottom:30px;left:40px;color:#fff;letter-spacing:2px;font-size:12px;text-shadow:0 1px 10px #333}.moments{display:inline-flex;gap:4px;margin:35px 0 0;border-radius:30px;background:#f5f5f7;padding:5px;max-width:100%}.moments button{font-size:14px;cursor:pointer;background:transparent;border:0;border-radius:25px;padding:12px 24px;color:var(--muted)}.moments button[aria-selected=true]{background:var(--ink);color:#fff}#moment-content{min-height:135px}#moment-content h3{font-size:25px;letter-spacing:0;margin:28px 0 12px}#moment-content p{color:var(--muted);font-size:17px;margin:0}.living-bottom{font-size:13px;color:var(--muted);margin-top:25px}.about{text-align:center}.about>p:not(.eyebrow){font-size:22px;color:var(--muted);margin:35px 0}.text-link{font-size:18px;color:var(--blue)}.text-link span{margin-left:15px}footer{background:#f5f5f7;padding:45px max(7%,calc((100% - 1200px)/2)) 25px;color:var(--muted)}.footer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:30px;border-bottom:1px solid var(--line);gap:25px}.footer-top .brand{color:var(--ink)}.footer-top>span,.footer-top>a:last-child{font-size:14px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;font-size:12px;padding-top:23px}.mist-lines{animation:mist 4s ease-in-out infinite}@keyframes mist{50%{opacity:.35;transform:translateY(-9px)}}
@media(max-width:1050px){.header-link{display:none}.section{padding:95px 6%}.hero{min-height:850px}.hero-image{height:520px}.feature-copy,.small-feature{padding:35px}h3{font-size:32px}.section-top>p{font-size:15px}.pillars a{padding:25px}.pillars span{font-size:24px}.living-photo{height:540px}}
@media(max-width:700px){header{height:58px;padding:0 6%}.brand{font-size:30px;gap:12px}.brand span{font-size:12px;padding-left:12px}nav{gap:18px;font-size:12px}nav a:nth-child(3),nav a:nth-child(4){display:none}.hero{min-height:730px}.hero-copy{padding:50px 6% 0}.hero .eyebrow{font-size:17px;margin-bottom:22px}.hero h1{font-size:52px;letter-spacing:-2px;line-height:1.18}.hero h1 br{display:block}.intro{font-size:18px;line-height:1.65;margin-bottom:23px}.intro br{display:block}.button{font-size:14px;padding:12px 22px}.hero-image{width:135%;max-width:none;height:355px;margin-top:0}.hero-bottom{bottom:18px;font-size:11px;text-align:left;gap:20px}.hero-bottom>a{white-space:nowrap}.concept{bottom:49px;font-size:11px}.section{padding:80px 7%}h2{font-size:36px;letter-spacing:-1px;line-height:1.25}.eyebrow{font-size:12px;letter-spacing:.6px}.essence>p:not(.eyebrow){font-size:19px;margin:28px 0 40px}.pillars{grid-template-columns:1fr;gap:12px}.pillars a{padding:24px}.pillars b{display:inline-block;margin:0 20px 0 0;vertical-align:top;line-height:30px}.pillars span{display:inline-block;font-size:24px}.pillars small{font-size:13px;margin-top:6px}.section-top{display:block;margin-bottom:35px}.section-top>p{margin-top:25px;font-size:16px}.feature{grid-template-columns:1fr;border-radius:22px}.tech-visual{padding:26px 18px;min-height:330px}.feature-copy,.small-feature{padding:30px 25px}.feature-copy p,.small-feature p{font-size:16px}h3{font-size:30px}.feature-grid{grid-template-columns:1fr;gap:18px;margin-top:18px}.small-feature{border-radius:22px}.small-feature svg{right:25px;top:28px;width:32px}.small-feature h3{margin-top:35px}.number{font-size:12px}.feature-note{font-size:12px}.water-control{gap:10px}.living{padding-top:80px}.living-copy{padding:0 7% 35px}.living-copy h2{font-size:36px}.moments{margin-top:28px}.moments button{padding:12px 16px;font-size:12px}#moment-content p{font-size:15px}#moment-content h3{font-size:23px}.living-photo{height:450px;margin:0 4%;border-radius:22px}.living-photo img{object-position:76% center}.living-photo>span{left:20px;font-size:10px}.about h2{font-size:30px}.about>p:not(.eyebrow){font-size:17px}.footer-top{flex-wrap:wrap}.footer-top>a:last-child{width:100%}.footer-bottom{line-height:1.7}.footer-bottom>span:last-child{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.mist-lines{animation:none}.pillars a{transition:none}}
/* Original supplied brand artwork, framed without changing its proportions. */
.brand{gap:12px;letter-spacing:0}
.brand .brand-mark{display:block;position:relative;overflow:hidden;width:27px;height:41px;flex:none;border:0;padding:0}
.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}
.brand .brand-name{border:0;padding:0;font-size:24px;font-weight:600;letter-spacing:1px}
@media(max-width:700px){.brand{gap:10px}.brand .brand-name{font-size:21px;letter-spacing:1px}}
.company-intro{max-width:770px;margin:65px auto 0}.company-intro h3{font-size:24px;letter-spacing:0}.company-intro p{font-size:18px;color:var(--muted);line-height:1.9}.patent-panel{margin:65px 0 50px;text-align:left}.patent-heading h3{font-size:38px;margin:0 0 35px}.patent-heading .eyebrow{margin-bottom:15px}.patent-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.patent-group{background:#f5f5f7;border-radius:24px;padding:35px}.patent-count{display:flex;gap:20px;align-items:baseline}.patent-count strong{font-size:72px;line-height:1;font-weight:600;letter-spacing:-3px;color:#0071e3}.patent-count h4{font-size:20px;font-weight:500;margin:0}.patent-group ul{list-style:none;padding:25px 0 0;margin:0;font-size:17px;line-height:2;font-variant-numeric:tabular-nums;letter-spacing:.3px}.patent-group p{font-size:14px;color:var(--muted);margin:15px 0 0}.patent-source{font-size:12px;color:var(--muted);line-height:1.8;margin:20px 0 0}.about .patent-heading .eyebrow{color:var(--muted)}@media(max-width:700px){.company-intro{margin-top:45px}.company-intro h3{font-size:20px}.company-intro p{font-size:16px;text-align:left}.patent-panel{margin-top:45px}.patent-heading h3{font-size:30px}.patent-grid{grid-template-columns:1fr;gap:16px}.patent-group{padding:28px}.patent-count strong{font-size:60px}.patent-count h4{font-size:18px}.patent-group ul{font-size:16px}}
.patent-license{font-size:16px;color:var(--muted);line-height:1.8;max-width:850px;margin:-12px 0 35px}.patent-totals{grid-template-columns:repeat(3,1fr);gap:20px}.patent-totals .patent-group{padding:28px}.patent-totals .patent-count{display:block}.patent-totals h4{font-size:17px;margin-top:18px}.patent-totals .patent-group p{font-size:13px;overflow-wrap:anywhere}.certificate-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:35px}.certificate{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff}.certificate-image{height:300px;padding:26px;background:#f5f5f7;display:flex;justify-content:center}.certificate-image img{height:100%;width:100%;object-fit:contain}.certificate-copy{padding:28px}.certificate-type{font-size:12px;color:var(--muted)}.certificate h4{font-size:20px;line-height:1.6;font-weight:600;letter-spacing:0;margin:14px 0;min-height:64px}.certificate-copy p{font-size:14px;line-height:1.9;color:var(--muted);margin:12px 0}.certificate-copy .certificate-id{font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums}.certificate-copy>a{font-size:14px;color:var(--blue);display:inline-block;margin-top:8px}.translated-title{font-size:13px;font-weight:400;white-space:nowrap;color:var(--muted)}@media(max-width:700px){.patent-totals{grid-template-columns:1fr}.patent-totals .patent-count{display:flex;align-items:baseline}.patent-totals h4{margin:0}.certificate-grid{grid-template-columns:1fr}.certificate-image{height:280px}.certificate-copy{padding:24px}.certificate h4{min-height:0;font-size:19px}.patent-license{font-size:15px}}

.patent-details{margin-top:28px}.patent-details>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;min-height:48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);list-style:none;cursor:pointer;font-size:17px;font-weight:500;color:var(--blue)}.patent-details>summary::-webkit-details-marker{display:none}.patent-details>summary:focus-visible{outline:2px solid var(--blue);outline-offset:5px;border-radius:4px}.patent-collapse{display:none}.patent-details[open] .patent-expand{display:none}.patent-details[open] .patent-collapse{display:inline}.patent-toggle{position:relative;width:18px;height:18px;flex:none}.patent-toggle::before,.patent-toggle::after{content:"";position:absolute;background:currentColor;border-radius:1px}.patent-toggle::before{width:16px;height:2px;left:1px;top:8px}.patent-toggle::after{width:2px;height:16px;left:8px;top:1px}.patent-details[open] .patent-toggle::after{display:none}

/* Full horizontal brand lockup supplied by the owner. */
.brand .brand-mark{width:96px;height:46px}
@media(max-width:700px){.brand .brand-mark{width:83px;height:40px}}

/* Supplied symbol with live Chinese brand lettering. */
.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap}.brand .brand-mark{width:30px;height:46px}.brand .brand-name{font-size:29.04px;line-height:1;font-weight:600;letter-spacing:2px;color:#333;align-self:flex-end}
@media(max-width:700px){.brand{gap:10px}.brand .brand-mark{width:26px;height:40px}.brand .brand-name{font-size:26.62px;letter-spacing:1px}}

/* Language navigation and English copy layout. */
.language-switch{font-size:14px;color:var(--blue);white-space:nowrap;min-height:44px;display:inline-flex;align-items:center;padding:0 6px;margin-left:auto}header nav{margin-left:auto}header .language-switch+button{flex-shrink:0}
html[lang=en] .section-top>p{flex-shrink:1;max-width:320px}html[lang=en] .hero h1{letter-spacing:-2px}html[lang=en] .intro br{display:block}html[lang=en] .tech-visual text{font-size:11px}html[lang=en] .diagram-label span{float:none;display:block;margin-top:6px}html[lang=en] .small-feature .number{display:block;padding-right:48px}html[lang=en] .certificate h4{overflow-wrap:anywhere}html[lang=en] .patent-count h4{line-height:1.5}
@media(max-width:700px){header{gap:10px;padding:0 4%}header nav{gap:12px}.language-switch{font-size:13px;margin-left:0;padding:0 3px}html[lang=en] header nav{display:none}html[lang=en] .language-switch{margin-left:auto}html[lang=en] .hero h1{font-size:42px}html[lang=en] .moments{width:100%;border-radius:22px}html[lang=en] .moments button{flex:1;min-width:0;padding:10px 8px;line-height:1.5}html[lang=en] .hero-bottom>span{max-width:60%}html[lang=en] .water-control{flex-wrap:wrap}html[lang=en] .footer-bottom{overflow-wrap:anywhere}}
@media(max-width:380px){header nav a:nth-child(2){display:none}}
.water-ripple-layer{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden;border-radius:inherit}.water-ripple{position:absolute;width:64px;height:64px;margin:-32px 0 0 -32px;border:1px solid rgba(219,248,255,.75);border-radius:50%;box-shadow:0 0 10px rgba(125,218,244,.12),inset 0 0 8px rgba(224,250,255,.13);animation:water-spread 1.5s ease-out forwards}.water-ripple::after{content:'';position:absolute;inset:10px;border:1px solid rgba(255,255,255,.45);border-radius:50%}.living-photo>span{z-index:2;pointer-events:none}.living-photo>img{transition:transform 1.2s cubic-bezier(.2,.65,.3,1)}@media(hover:hover) and (pointer:fine){.living-photo.water-hover>img{transform:scale(1.018)}}@keyframes water-spread{0%{transform:scale(.35);opacity:0}15%{opacity:.7}100%{transform:scale(4.2);opacity:0}}@media(prefers-reduced-motion:reduce){.water-ripple-layer{display:none}.living-photo>img{transition:none;transform:none!important}}

.icp-filing{display:block;margin-top:20px;text-align:center;font-size:14px;line-height:1.8;color:#6e6e73}.icp-filing a{display:inline-block;padding:6px 0;text-decoration:none;color:inherit}.icp-filing a:hover{text-decoration:underline}.icp-filing a:focus-visible{outline:2px solid #0071e3;outline-offset:4px}.filing-footer{padding:0 20px 24px}

.patent-totals{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:1100px){.patent-totals{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.patent-totals{grid-template-columns:1fr}}