:root{--bg:#151617;--red:#e52c2e;--paper:#efefeb;--line:rgba(255,255,255,.16);--muted:#979896}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--paper);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:2px solid var(--red);outline-offset:6px}button{border:0}::selection{background:var(--red);color:white}.header{height:102px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;position:absolute;top:0;left:0;width:100%;z-index:10;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:20px}.brand strong{font-family:Impact,"Arial Narrow",sans-serif;font-size:37px;letter-spacing:-1px}.brand strong span{font-family:Arial;font-size:12px;vertical-align:top;line-height:28px;margin-left:3px}.brand i{height:23px;width:1px;background:#656565}.brand small{font-size:12px;letter-spacing:3px}.header nav{display:flex;gap:36px;font-size:12px;color:#c7c7c4}.header nav a:hover,.text-link:hover{color:var(--red)}.header-contact{font-size:12px;display:flex;gap:32px;align-items:center}.header-contact span{font-size:21px}.menu-button{display:none;background:none}.hero{height:100svh;min-height:760px;position:relative;overflow:hidden;isolation:isolate}.hero-grid{position:absolute;inset:102px 5% 102px;background:linear-gradient(90deg,transparent calc(33.333% - 1px),#ffffff05 33.333%,transparent calc(33.333% + 1px),transparent calc(66.666% - 1px),#ffffff05 66.666%,transparent calc(66.666% + 1px));border-left:1px solid #ffffff05;border-right:1px solid #ffffff05;z-index:-1}.hero-ambient{position:absolute;inset:0;background:radial-gradient(ellipse at 76% 55%,#5c3c2b26,transparent 43%);z-index:-1}.hero-copy{position:absolute;top:24%;left:8%;z-index:2;pointer-events:none}.hero-copy a{pointer-events:auto}.eyebrow{font-size:10px;letter-spacing:2.4px;line-height:1.8;font-weight:500;margin:0}.red-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--red);margin-right:11px;vertical-align:middle;box-shadow:0 0 16px #e52c2e55}h1{font-size:clamp(58px,5.6vw,100px);font-weight:500;line-height:1.22;letter-spacing:-4px;margin:35px 0 25px}h1>span{color:#e9e7e3}h1 em{display:block;font-style:normal;font-weight:400;letter-spacing:0;font-size:12px;margin-top:21px;color:#8b8c89}.hero-description{font-size:12px;line-height:2;color:#a4a4a0;letter-spacing:1px;margin-top:30px}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:46px;padding:17px 23px;font-size:12px}.button-red{background:var(--red);color:white;transition:background .2s}.button-red:hover{background:#fc4648}.button span{font-size:19px}.text-link{background:none;font-size:12px;padding:0;display:inline-flex;align-items:center;gap:28px}.text-link span{font-size:20px}.cable-stage{position:absolute;top:0;left:40%;width:60%;height:100%;z-index:1;touch-action:pan-y}#cable{width:100%;height:100%;display:block}.cable-stage.detached{position:fixed;z-index:3;pointer-events:none}.cable-stage canvas{opacity:0;transition:opacity .7s}.cable-stage.ready canvas{opacity:1}.fallback-cable{position:absolute;inset:22% 17% 15% 30%;transform:rotate(35deg);display:flex;gap:9px;align-items:flex-end;filter:drop-shadow(20px 20px 30px #000)}.fallback-cable i{height:80%;width:28%;border-radius:30px 30px 15px 15px;background:linear-gradient(90deg,#090a0a,#54575a 30%,#191a1c 60%,#090a0a);position:relative}.fallback-cable i:before{content:"";position:absolute;bottom:96%;height:80px;width:72%;left:14%;background:repeating-linear-gradient(90deg,#54230c,#eab387 6px,#8e4e24 9px);border-radius:20px 20px 0 0}.ready .fallback-cable{display:none}.material-tag{position:absolute;top:43%;right:6%;z-index:2;display:flex;align-items:center;gap:13px;pointer-events:none}.material-tag p{font-size:10px;letter-spacing:2px;line-height:1.8}.material-tag small{display:block;font-size:7px;letter-spacing:1px;color:#93918b}.tag-line{width:45px;height:1px;background:#aaa7}.tag-cross{font-size:20px;color:#888}.hero-bottom{position:absolute;bottom:40px;left:5%;right:5%;display:flex;align-items:center;justify-content:space-between;z-index:4;font-size:9px}.scroll-prompt{display:flex;align-items:center;gap:14px}.scroll-prompt>span{border:1px solid #6c6c69;width:32px;height:44px;border-radius:25px;display:grid;place-items:center;font-size:18px}.scroll-prompt small{font-size:7px;color:#767974;letter-spacing:1px;margin-left:5px}.hero-caption{font-size:8px;letter-spacing:1px;color:#999}.hero-caption span{color:white;margin-right:22px}.motion-button{background:none;font-size:10px;padding:10px 0}.motion-button span{margin-left:20px;color:#999}.brand-stripe{position:absolute;bottom:0;left:0;width:100%;height:4px;display:flex}.brand-stripe i:nth-child(1){width:33.33%;background:#303234}.brand-stripe i:nth-child(2){width:33.33%;background:var(--red)}.brand-stripe i:nth-child(3){width:33.33%;background:#c49b45}.section-heading{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:23px;font-size:11px;color:#a6a7a2}.structure{position:relative;padding:55px 8% 0;height:185vh;min-height:1300px;background:#191a1a}.structure-sticky{position:sticky;top:65px;display:grid;grid-template-columns:1fr 1fr;min-height:690px;height:calc(100vh - 100px);align-items:center}.structure-copy{max-width:400px}h2{font-size:clamp(35px,3.4vw,57px);letter-spacing:-1.5px;line-height:1.4;font-weight:400;margin:28px 0}.section-intro{font-size:12px;line-height:2;color:#9c9d98}.layer-list{margin-top:35px}.layer{display:flex;width:100%;align-items:flex-start;gap:22px;text-align:left;background:none;border-top:1px solid var(--line);padding:20px 0;color:#747773;transition:color .3s}.layer>span{font-size:10px;margin-top:4px}.layer h3{font-size:16px;font-weight:400;margin:0 0 9px}.layer p{font-size:11px;margin:0;line-height:1.8}.layer b{font-weight:400;margin-left:auto}.layer.active{color:#efefeb}.layer.active>span,.layer.active b{color:var(--red)}.structure-space{position:relative;height:80%}.diagram-label{position:absolute;top:0;right:0;color:#70736d;font-size:8px;letter-spacing:2px}.diagram-note{position:absolute;bottom:0;right:0;color:#80847b;font-size:9px}.products{background:var(--paper);color:#202221;padding:65px 8% 95px;position:relative;z-index:4}.products .section-heading{border-color:#23262233;color:#60645d}.products-title{display:flex;justify-content:space-between;align-items:flex-end;margin:22px 0 35px}.products-title p{font-size:12px;color:#76796f;line-height:2;margin-bottom:40px}.product-filters{display:flex;border-bottom:1px solid #24242430;gap:28px;margin-bottom:36px}.product-filters button{background:none;padding:15px 0;color:#84867e;font-size:12px;border-bottom:2px solid transparent}.product-filters .selected{color:#202221;border-bottom-color:var(--red)}.product-filters sup{font-size:8px;margin-left:6px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px 28px}.product-card{display:block;text-align:left;background:none;padding:0;min-width:0}.product-card[hidden]{display:none}.product-image{aspect-ratio:1.4;background:#fafafa;position:relative;overflow:hidden}.product-image img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .7s}.product-card:hover img{transform:scale(1.05)}.product-image>span{position:absolute;left:18px;bottom:17px;font-size:8px;letter-spacing:1.5px;background:#fafafae6;padding:8px}.product-image b{position:absolute;right:20px;bottom:20px;font-size:23px;font-weight:400}.product-info{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid #24242430}.product-info h3{font-size:17px;font-weight:400;margin:0}.product-info span{font-size:8px;color:#85877e;letter-spacing:1px}.product-note{font-size:10px;color:#82857d;line-height:1.8;margin:28px 0 0}.about{display:grid;grid-template-columns:1fr 1fr;padding:100px 8%;gap:10%;border-bottom:1px solid var(--line)}.about-left>p:not(.eyebrow){font-size:12px;color:#92968c;line-height:2.1}.about-left .text-link{margin-top:25px}.about-art{position:relative;border-left:1px solid var(--line);padding-left:45px;display:flex;flex-direction:column;justify-content:center;overflow:hidden;min-height:440px}.about-art>span{font-size:clamp(28px,3.4vw,52px);font-weight:600;line-height:1.1;letter-spacing:-2px}.about-art em{font-style:normal;color:#c69564}.about-art small{font-size:9px;color:#90958a;margin-top:100px;z-index:2}.wire-lines{position:absolute;bottom:30px;right:-90px;transform:rotate(-35deg);display:flex;gap:13px}.wire-lines i{height:300px;width:12px;background:linear-gradient(90deg,#432b1d,#dfa976,#603c23);border-radius:30px}.wire-lines i:nth-child(2){height:250px}.wire-lines i:nth-child(4){height:350px}.contact{padding:80px 8% 50px;background:#1b1c1b}.contact-row{display:flex;justify-content:space-between;align-items:center}.contact h2{font-size:clamp(38px,5vw,78px)}.contact-trigger{width:100px;height:100px;background:var(--red);border-radius:50%;font-size:53px;transition:transform .3s}.contact-trigger:hover{transform:rotate(45deg)}.contact-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding-top:22px}.contact-bottom p{font-size:11px;color:#95998d}.contact-info{font-size:12px;color:#aaa;line-height:2;max-width:650px;padding-top:24px}.contact-info p:first-child{color:#eee}footer{display:flex;align-items:center;justify-content:space-between;padding:35px 5%;font-size:9px;color:#888d80}.footer-logo{font-family:Impact,'Arial Narrow',sans-serif;font-size:32px;color:#eeefe7;letter-spacing:-1px}.footer-logo span{font-family:Arial;font-size:10px;vertical-align:top;line-height:23px;margin-left:2px}dialog{border:1px solid #45483f;padding:0;background:#efefeb;color:#202221;width:min(630px,90vw);max-height:90vh}dialog::backdrop{background:#000a;backdrop-filter:blur(8px)}.dialog-close{position:absolute;right:15px;top:10px;background:#efefeb;width:40px;height:40px;font-size:30px;z-index:2}.dialog-content{padding:35px}.dialog-content img{width:100%;max-height:300px;object-fit:contain;background:#fafafa;margin-bottom:25px}.dialog-content h2{font-size:28px;margin:12px 0}.dialog-content>p:not(.eyebrow){font-size:13px;line-height:1.9;color:#666}.dialog-content .detail-note{font-size:11px!important;margin-bottom:25px}.dialog-content .button{margin-top:10px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s,transform .8s}.reveal.visible{opacity:1;transform:none}
@media(min-width:1600px){.hero-copy{top:25%}.hero-description{font-size:14px}.hero-actions{margin-top:40px}.button{padding:20px 27px}.hero-bottom{bottom:48px}}@media(max-width:1000px){.brand{gap:12px}.brand small{display:none}.brand i{display:none}.header nav{gap:20px}.hero-copy{left:6%}h1{font-size:65px}.material-tag{right:3%;top:37%}.tag-line{width:20px}.cable-stage{left:35%;width:70%}.structure,.products,.contact{padding-left:6%;padding-right:6%}.about{padding:75px 6%;gap:5%}.structure-copy{max-width:330px}.hero-caption{display:none}.product-info{align-items:flex-start;gap:15px}.product-info span{font-size:7px}}
@media(max-width:650px){html{scroll-padding-top:65px}.header{height:76px;padding:0 6%}.brand strong{font-size:30px}.header-contact{margin-left:auto;margin-right:24px;font-size:10px;gap:12px}.menu-button{display:flex;font-size:10px;gap:12px;padding:0}.header nav{display:none;position:absolute;left:0;right:0;top:76px;background:#1b1d1c;padding:30px 6%;border-bottom:1px solid #444;gap:25px}.header.menu-open nav{display:flex}.hero{min-height:820px;max-height:1100px}.hero-copy{top:130px;left:7%}.eyebrow{font-size:8px;letter-spacing:1.8px}h1{font-size:53px;letter-spacing:-2px;margin:22px 0 12px;line-height:1.18}h1 em{font-size:9px;margin-top:14px}.hero-description{font-size:10px;margin-top:18px}.hero-actions{gap:22px;margin-top:22px}.button{font-size:10px;padding:13px 17px;gap:30px}.text-link{font-size:10px;gap:22px}.cable-stage{left:13%;width:100%;height:65%;top:34%;pointer-events:none}.material-tag{top:61%;right:7%;gap:9px}.material-tag p{font-size:8px}.material-tag small{font-size:6px}.material-tag .tag-line{width:25px}.hero-bottom{bottom:27px;left:7%;right:7%}.scroll-prompt{font-size:8px;gap:10px}.scroll-prompt small{display:none}.scroll-prompt>span{width:25px;height:36px;font-size:14px}.motion-button{font-size:8px}.motion-button span{margin-left:10px}.hero-grid{inset:76px 6% 75px}.structure{height:190vh;min-height:1400px;padding-top:35px}.section-heading{font-size:8px;gap:15px;padding-bottom:18px}.section-heading .eyebrow{font-size:7px}.structure-sticky{height:calc(100svh - 45px);min-height:720px;top:20px;display:block;padding-top:15px}.structure-copy{max-width:none}h2{font-size:34px;line-height:1.35;margin:22px 0}.section-intro{font-size:10px;line-height:1.8}.layer-list{margin-top:20px;max-width:58%}.layer{padding:13px 0;gap:12px}.layer h3{font-size:13px}.layer p{font-size:9px}.layer>span{font-size:8px}.structure-space{position:absolute;inset:45% 0 0 0;height:auto}.diagram-label{top:8%;font-size:6px}.diagram-note{font-size:7px;bottom:5%}.products{padding-top:36px;padding-bottom:50px}.products-title{display:block;margin:10px 0 15px}.products-title h2{font-size:34px}.products-title p{font-size:10px;margin-bottom:15px}.product-filters{gap:24px;margin-bottom:23px}.product-filters button{font-size:10px}.product-grid{gap:26px 14px}.product-info{display:block;padding:13px 0}.product-info h3{font-size:13px;margin-bottom:6px}.product-info span{font-size:6px}.product-image{aspect-ratio:1.05}.product-image>span{font-size:6px;left:6px;bottom:7px;padding:4px;letter-spacing:.5px}.product-image b{font-size:16px;right:10px;bottom:8px}.product-note{font-size:8px}.about{display:block;padding-top:55px;padding-bottom:50px}.about-left>p:not(.eyebrow){font-size:11px}.about-art{margin-top:50px;padding:30px;border-left:0;border-top:1px solid var(--line);min-height:320px}.about-art>span{font-size:43px}.about-art small{margin-top:50px;font-size:8px}.wire-lines{right:0}.contact{padding-top:45px;padding-bottom:30px}.contact h2{font-size:36px}.contact-trigger{width:65px;height:65px;font-size:34px}.contact-bottom p{font-size:8px}.contact-bottom .text-link{font-size:9px;gap:8px}footer{padding:25px 6%;flex-wrap:wrap;gap:20px}.footer-logo{font-size:25px}footer p{font-size:8px}footer>a:last-child{font-size:8px}.dialog-content{padding:23px}.dialog-content h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}