:root{--navy:#073958;--ink:#122f41;--orange:#ff741b;--paper:#f6f7f7;--gray:#62737e;--line:#dce3e6}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;background:white}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--orange);outline-offset:5px}.wrap{max-width:1240px;margin:auto;padding:0 40px}.topbar{background:var(--navy);color:#d8e3eb;font-size:10px;letter-spacing:1.4px}.topbar .wrap{display:flex;justify-content:space-between;padding-top:11px;padding-bottom:11px}.topbar a{letter-spacing:.6px}header{background:#fff;position:sticky;top:0;z-index:10;border-bottom:1px solid #eee}.navigation{height:98px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:block;flex-shrink:0;width:174px;height:63px;overflow:hidden}.logo-image{display:block;width:100%;height:100%;background:url('assets/cck-logo.png') no-repeat 50% 49%;background-size:140% auto}.navigation nav{display:flex;gap:28px;font-size:13px;font-weight:600;margin-left:auto}.navigation nav a:hover{color:var(--orange)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;padding:18px 24px;background:var(--orange);color:#112c40;font-size:13px;font-weight:700;border:0;border-radius:0;min-height:52px;transition:background .2s,transform .2s}.button:hover{background:#ff9652;transform:translateY(-2px)}.button.small{padding:14px 18px;min-height:44px}.menu{display:none}.hero{position:relative;min-height:625px;background:#143445;color:white;overflow:hidden}.hero-image{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,27,45,.92) 0%,rgba(4,27,45,.66) 44%,rgba(4,27,45,.05) 100%),url('assets/transmission-hero.png') center 55%/cover}.hero-content{position:relative;padding-top:91px;padding-bottom:40px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.1px;color:var(--navy);margin-bottom:24px}.eyebrow.light{color:#d7e3eb}.eyebrow span{display:inline-block;width:7px;height:7px;background:var(--orange);margin-right:9px}h1{font-weight:500;font-size:clamp(44px,5.5vw,74px);letter-spacing:-3px;line-height:1.08;margin:0 0 27px}h1 em{font-style:normal;color:#ff9346}.hero p{font-size:16px;line-height:1.8;color:#d5dfe5}.actions{display:flex;gap:28px;align-items:center;margin-top:30px}.text-link{font-size:12px;border-bottom:1px solid #9babb6;padding:12px 0}.text-link span{margin-left:14px}.hero-caption{font-size:9px;letter-spacing:1.6px;color:#c1ccd4;margin-top:68px}.hero-caption span{color:var(--orange);padding:0 16px}.hero-index{position:absolute;right:45px;bottom:38px;font-size:9px;letter-spacing:1.5px;color:#d6e0e4}.intro-band{background:#f1f3f3;border-bottom:1px solid var(--line)}.intro-band .wrap{display:flex;align-items:center;gap:60px;padding-top:26px;padding-bottom:26px}.intro-band span{font-size:10px;letter-spacing:1.5px;font-weight:700}.intro-band p{font-size:14px;line-height:1.7;margin:0;color:var(--gray)}.intro-band strong{font-weight:500;color:var(--ink)}.intro-band a{margin-left:auto;font-size:32px;color:var(--orange)}.section{padding-top:96px;padding-bottom:96px}.section-head{display:flex;justify-content:space-between;gap:80px;align-items:flex-end;margin-bottom:38px}h2{font-size:43px;line-height:1.13;letter-spacing:-1.6px;font-weight:500;margin:0}.section-head>p{max-width:340px;color:var(--gray);font-size:14px;line-height:1.85;margin:0 0 5px}.filters{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-bottom:28px}.filters button{border:0;background:none;color:var(--gray);font-size:12px;padding:18px 0;border-bottom:2px solid transparent}.filters .active{color:var(--navy);border-color:var(--orange);font-weight:700}.filters span{font-size:9px;padding-left:5px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{border:1px solid #e3e8eb;background:#fff;transition:box-shadow .2s;cursor:pointer;display:block;text-align:left;padding:0;color:inherit}.product-card:hover{box-shadow:0 8px 30px #12394a12}.product-art{height:215px;background:#f2f4f5;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.product-art:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#c9d3d833 1px,transparent 1px),linear-gradient(90deg,#c9d3d833 1px,transparent 1px);background-size:24px 24px;mask-image:radial-gradient(ellipse,#000,transparent 75%)}.product-art svg{width:73%;height:77%;position:relative;color:#456679;transition:transform .25s}.product-card:hover svg{transform:scale(1.07)}.product-no{position:absolute;top:17px;left:18px;font-size:9px;color:#8b9aa4;letter-spacing:1px}.product-info{padding:20px 22px;position:relative}.product-info h3{font-size:18px;font-weight:500;margin:0 0 9px}.product-info p{font-size:11px;color:var(--gray);margin:0;padding-right:20px;line-height:1.5}.product-info .arrow{position:absolute;right:20px;top:23px;color:var(--orange);font-size:20px}.caption{font-size:10px;line-height:1.7;color:#7c8992;margin-top:20px}.about{background:#f6f4f0;padding:80px 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.about-art{height:410px;position:relative;overflow:hidden;background:#0b3c59;color:#fff}.art-label{position:absolute;left:28px;top:28px;font-size:9px;letter-spacing:2px;color:#b9cbd7}.ring{width:220px;height:140px;border:28px solid #e1e7e7;border-radius:70px;position:absolute;transform:rotate(-35deg);top:112px;left:35px}.ring-two{left:170px;border-color:var(--orange);top:155px}.art-line{position:absolute;height:1px;background:#ffffff33;top:207px;width:100%;transform:rotate(-35deg)}.art-bottom{position:absolute;bottom:27px;left:28px;font-size:12px;letter-spacing:2px;line-height:1.6}.about-copy>p{font-size:14px;line-height:1.9;color:var(--gray);margin-top:23px}.about-tags{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}.about-tags span{font-size:10px;border:1px solid #d4d9da;padding:8px 10px}.underlined{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--ink);font-size:12px;font-weight:700;max-width:270px}.quality-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.quality-grid article{padding:28px 23px 0 0}.quality-grid article+article{border-left:1px solid var(--line);padding-left:23px}.step-icon{font-size:11px;color:var(--orange);border:1px solid #f3c4a5;width:33px;height:33px;display:grid;place-items:center}.quality-grid h3{font-size:17px;font-weight:500;margin-top:25px}.quality-grid p{font-size:12px;line-height:1.85;color:var(--gray)}.process{background:var(--navy);color:#fff;padding:75px 0}.process-heading{display:flex;justify-content:space-between;align-items:center}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:50px}.process-grid article{border-top:1px solid #ffffff44;padding-top:23px}.process-grid span{font-size:11px;color:#ff9b58}.process-grid h3{font-size:23px;font-weight:500;margin:17px 0 12px}.process-grid p{font-size:12px;color:#b8ccd8;line-height:1.8}.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.contact-copy>p{font-size:15px;color:var(--gray);line-height:1.8;margin:25px 0}.contact-number{font-size:21px;letter-spacing:-.5px;display:block;margin-top:35px}.contact-number span{color:var(--orange);padding-left:15px}.contact-label{font-size:9px;color:var(--gray);letter-spacing:1.3px;margin-top:12px}.checklist{border-top:1px solid var(--line);margin-top:32px;padding-top:25px;font-size:12px}.checklist p{font-size:12px;line-height:1.8;color:var(--gray)}form{padding:30px;background:var(--paper);border:1px solid #edf0f1}label{font-size:11px;font-weight:600;display:block;margin-bottom:20px}input,select,textarea{width:100%;display:block;margin-top:10px;border:1px solid #d8dfe2;background:white;padding:13px;font-size:12px;color:var(--ink);border-radius:0}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}form .button{width:100%}.form-note{font-size:10px;line-height:1.7;color:var(--gray);margin-bottom:0}#form-status{font-size:12px;line-height:1.7;margin-top:14px}#form-status a{text-decoration:underline}footer{border-top:1px solid var(--line);background:#f8f9f9}.footer-top{display:flex;align-items:center;gap:65px;padding-top:35px;padding-bottom:35px}.footer-top p{font-size:12px;color:var(--gray);line-height:1.7}.footer-top>a:last-child{font-size:12px;margin-left:auto}.footer-bottom{display:flex;gap:40px;font-size:10px;color:var(--gray);padding-top:20px;padding-bottom:25px;border-top:1px solid var(--line)}.footer-bottom button{margin-left:auto;border:0;background:none;color:inherit;font-size:10px}dialog{border:0;max-width:650px;width:calc(100% - 32px);padding:40px;color:var(--ink);box-shadow:0 30px 100px #0004}dialog::backdrop{background:#042338aa;backdrop-filter:blur(4px)}.close{position:absolute;right:15px;top:10px;font-size:28px;border:0;background:none;color:var(--ink)}dialog h2{font-size:32px;margin:20px 0}dialog p,dialog li{font-size:14px;line-height:1.8;color:var(--gray)}dialog .button{margin-top:20px}dialog ul{padding-left:18px}body:has(dialog[open]){overflow:hidden}@media(min-width:1500px){.hero{min-height:680px}.hero-content{padding-top:110px}}@media(max-width:1000px){.wrap{padding-left:28px;padding-right:28px}.navigation{gap:18px}.navigation nav{gap:16px;font-size:11px}.brand{width:145px;height:53px}.button.small{font-size:11px;padding:12px}.hero{min-height:585px}.about-grid{gap:40px}.ring-two{left:135px}.quality-grid{grid-template-columns:repeat(2,1fr);row-gap:25px}.quality-grid article:nth-child(3){border-left:0;padding-left:0}.contact{gap:40px}.product-art{height:190px}.section-head{gap:40px}}@media(max-width:700px){.wrap{padding-left:22px;padding-right:22px}.topbar{font-size:8px}.topbar .wrap>span{letter-spacing:.8px}.topbar a{font-size:8px;letter-spacing:0}.navigation{height:80px;gap:15px}.navigation>.button{display:none}.brand{width:150px;height:55px}.menu{display:block;border:0;background:none;font-size:23px;color:var(--navy);margin-left:auto}.navigation nav{display:none;position:absolute;left:0;right:0;top:80px;padding:25px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #0001}.navigation nav.open{display:flex;flex-direction:column;gap:25px;font-size:15px}.hero{min-height:590px}.hero-image{background-position:60% center}.hero-content{padding-top:70px}h1{font-size:46px;letter-spacing:-2px}.hero p{font-size:14px}.eyebrow{font-size:9px}.actions{align-items:flex-start;flex-direction:column;gap:10px}.hero-caption{font-size:7px;letter-spacing:1px;margin-top:45px}.hero-caption span{padding:0 5px}.hero-index{display:none}.intro-band .wrap{gap:20px;align-items:flex-start;flex-wrap:wrap}.intro-band span{width:100%;font-size:9px}.intro-band p{font-size:12px}.intro-band a{font-size:25px}.section{padding-top:60px;padding-bottom:60px}.section-head{display:block;margin-bottom:25px}h2{font-size:35px}.section-head>p{margin-top:22px;max-width:100%;font-size:13px}.filters{gap:20px;overflow-x:auto;white-space:nowrap}.filters button{font-size:11px}.product-grid{grid-template-columns:1fr 1fr;gap:12px}.product-art{height:145px}.product-info{padding:16px 12px}.product-info h3{font-size:15px;padding-right:14px}.product-info p{font-size:10px}.product-info .arrow{right:10px;top:15px;font-size:16px}.about{padding:55px 0}.about-grid{grid-template-columns:1fr;gap:35px}.about-art{height:310px}.ring{top:80px;left:35px;width:180px;height:120px;border-width:24px}.ring-two{top:115px;left:150px}.about-copy p{font-size:13px}.quality-grid{gap:20px 0}.quality-grid article{padding-right:14px}.quality-grid article+article{padding-left:14px}.quality-grid h3{font-size:16px}.quality-grid p{font-size:11px}.process{padding:55px 0}.process-heading{align-items:flex-start;gap:25px;flex-direction:column}.process-grid{grid-template-columns:1fr 1fr;gap:25px;margin-top:35px}.contact{grid-template-columns:1fr;gap:28px}form{padding:22px}.form-row{gap:12px}.footer-top{gap:20px;flex-wrap:wrap}.footer-top p{font-size:11px}.footer-top>a:last-child{margin-left:0}.footer-bottom{gap:16px;font-size:9px}dialog{padding:28px}dialog h2{font-size:28px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Full-height tower composition and photographic product cards. */
.hero{min-height:660px}
.hero-image{background-image:url('assets/transmission-hero.png');background-position:right center;background-size:auto 100%;background-repeat:no-repeat;background-color:#183748}
.hero-image::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#092a40 0%,rgba(7,35,54,.92) 23%,rgba(7,35,54,.48) 48%,rgba(7,35,54,.02) 74%)}
.hero-content{padding-top:92px;padding-bottom:50px}
#products{padding-top:56px;padding-bottom:64px}
#products .section-head{margin-bottom:24px}
#products h2{font-size:38px}
#products .eyebrow{margin-bottom:15px}
.product-art{height:270px;background:#fff}
.product-art::before{display:none}
.product-art img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .35s}
.product-no{z-index:1;background:#fffC;padding:4px 6px;left:12px;top:12px}
.product-overlay{position:absolute;inset:0;z-index:2;background:rgba(7,46,69,.96);color:white;padding:23px;opacity:0;transform:translateY(10px);transition:opacity .23s,transform .23s;display:flex;flex-direction:column;justify-content:center}
.product-card:hover .product-overlay,.product-card:focus-visible .product-overlay{opacity:1;transform:translateY(0)}
.product-card:hover img{transform:scale(1.04)}
.overlay-label{font-size:9px;font-weight:700;letter-spacing:1.3px;color:#ff9a54}
.product-overlay dl{margin:15px 0}
.product-overlay dt{font-size:10px;color:#b9d0de;margin-bottom:4px}
.product-overlay dd{margin:0 0 10px;font-size:12px;line-height:1.5}
.overlay-action{font-size:10px;color:#ffb078}
.dialog-specs{background:#f3f6f7;padding:20px}
.dialog-specs dt{font-size:11px;color:var(--navy);font-weight:700;margin:12px 0 6px}
.dialog-specs dt:first-child{margin-top:0}
.dialog-specs dd{font-size:13px;line-height:1.6;color:var(--gray);margin:0}
@media(min-width:1500px){.hero{min-height:710px}.hero-content{padding-top:115px}}
@media(max-width:1000px) and (min-width:701px){.hero{min-height:620px}.hero-image::after{background:linear-gradient(90deg,#092a40 0%,rgba(7,35,54,.85) 28%,rgba(7,35,54,.2) 68%,transparent)}.hero h1{font-size:55px}.product-grid{gap:16px}.product-art{height:280px}.product-overlay{padding:16px}.product-overlay dd{font-size:11px}}
@media(max-width:700px){.hero{min-height:0;display:flex;flex-direction:column}.hero-image{position:relative;inset:auto;height:66.667vw;background-size:100% auto;background-position:center;order:0}.hero-image::after{background:linear-gradient(0deg,#143445 0%,transparent 25%)}.hero-content{order:1;width:100%;padding-top:24px;padding-bottom:32px}.hero h1{font-size:42px}.hero .eyebrow{margin-bottom:17px}.hero p{margin-bottom:15px}.hero-caption{margin-top:25px}.hero .actions{margin-top:22px}.hero .actions .text-link{padding-bottom:8px}#products{padding-top:40px;padding-bottom:40px}#products h2{font-size:32px}.product-art{height:170px}.product-info h3{font-size:14px}.product-no{font-size:8px;top:6px;left:5px}.product-info p{font-size:10px}.product-overlay{display:none}.product-info .arrow{font-size:17px}.intro-band .wrap{padding-top:22px;padding-bottom:22px}}
@media(hover:none){.product-overlay{display:none}.product-card:hover img{transform:none}}

/* Chinese typography and readable specification notes. */
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif}
h1,h2{letter-spacing:0;line-height:1.3}h1 em{white-space:nowrap}
.hero .eyebrow,.eyebrow,.hero-caption,.hero-index{letter-spacing:1px}
.product-overlay dt{font-size:12px}.product-overlay dd{font-size:13px;line-height:1.65}
label{font-size:13px}.form-note,.caption{font-size:12px;line-height:1.8}
@media(max-width:700px){.hero h1{font-size:38px;letter-spacing:0}h2,#products h2{font-size:30px;letter-spacing:0}.product-info p{font-size:11px}.topbar .wrap{gap:12px}.topbar .wrap>span{letter-spacing:0}}
.about-production{min-width:0}.production-frame{position:relative;background:#073958;height:490px;overflow:hidden}.production-frame video{width:100%;height:100%;display:block;object-fit:cover;object-position:center 47%}.production-label{position:absolute;bottom:0;left:0;right:0;padding:65px 24px 22px;background:linear-gradient(transparent,#022c45ed);color:white}.production-label>span{font-size:9px;letter-spacing:2px;display:block;margin-bottom:10px;color:#c6dbe7}.production-label>strong{font-size:20px;display:block;font-weight:500}.production-label button{margin-top:16px;border:1px solid #ffffff77;background:#0739589c;color:white;padding:10px 16px;font-size:11px;min-height:38px}.production-note{font-size:10px;line-height:1.8;color:var(--gray);margin:12px 0 0}.production-note a{text-decoration:underline;margin-left:8px;white-space:nowrap}@media(max-width:700px){.production-frame{height:390px}.production-label{padding:55px 20px 20px}.production-label>strong{font-size:18px}}

[hidden]{display:none!important}#form-status a{display:inline-block;margin-top:15px;color:#164e70} @media(max-width:800px){header nav.mobile-open{display:flex!important;flex-direction:column;position:absolute;top:80px;left:0;right:0;background:white;padding:25px;z-index:100}}