:root{--black:#111315;--black-2:#191c1f;--steel:#72777b;--paper:#f2f1ed;--white:#fbfaf7;--orange:#f05a1a;--orange-dark:#9f3205;--line:rgba(17,19,21,.18);--gutter:clamp(22px,4.7vw,82px);--header:88px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 12px)}body{margin:0;background:var(--paper);color:var(--black);font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}img{display:block;width:100%;height:auto}a{color:inherit}button,input,textarea{font:inherit}.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}.skip-link{position:fixed;left:16px;top:12px;z-index:1000;padding:10px 16px;background:var(--orange);color:#fff;transform:translateY(-160%);transition:transform .2s}.skip-link:focus{transform:none}:focus-visible{outline:3px solid var(--orange);outline-offset:4px}
.site-header{position:fixed;inset:0 0 auto;z-index:100;min-height:var(--header);padding:14px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;background:rgba(17,19,21,.9);border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(15px)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;min-width:0}.brand-mark{width:47px;height:42px;color:var(--orange);flex:0 0 auto}.brand-mark svg{width:100%;height:100%;fill:currentColor}.brand-mark path:last-child{fill:none;stroke:currentColor;stroke-width:2}.brand-type{display:grid;line-height:1.15}.brand-type strong{font-size:17px;letter-spacing:.04em}.brand-type small{margin-top:5px;font-size:8px;letter-spacing:.16em;color:#aeb2b4}.site-nav{display:flex;align-items:center;gap:clamp(17px,2vw,32px)}.site-nav a{position:relative;text-decoration:none;font-size:13px;white-space:nowrap}.site-nav a:not(.nav-contact)::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:var(--orange);transition:right .2s}.site-nav a:hover::after,.site-nav a[aria-current="true"]::after{right:0}.nav-contact{padding:10px 16px;background:var(--orange)}.menu-toggle{display:none;border:0;background:transparent;color:#fff;width:46px;height:46px;padding:12px}.menu-toggle span:not(.sr-only){display:block;height:1px;background:currentColor;margin:7px 0;transition:transform .2s}
main{overflow:clip}.eyebrow{margin:0 0 22px;font-size:10px;font-weight:700;letter-spacing:.2em;color:var(--orange)}h1,h2,h3{margin:0;font-family:"Arial Narrow","Noto Sans SC","Microsoft YaHei",sans-serif;font-weight:800;line-height:1.02;letter-spacing:-.045em}h2{font-size:clamp(46px,5vw,80px)}
.hero{position:relative;min-height:100svh;padding:calc(var(--header) + 45px) var(--gutter) 64px;display:grid;grid-template-columns:minmax(360px,.9fr) minmax(520px,1.38fr);align-items:center;gap:clamp(42px,6vw,110px);color:#fff;background:var(--black)}.hero-grid{position:absolute;inset:var(--header) 0 0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(90deg,#000,transparent 55%)}.hero-copy{position:relative;z-index:2}.hero h1{font-size:clamp(58px,6.2vw,106px)}.hero h1 em{color:var(--orange);font-style:normal}.hero-lead{max-width:580px;margin:34px 0 0;color:#b8bdc0;font-size:clamp(16px,1.25vw,20px)}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:11px 22px;border:0;text-decoration:none;cursor:pointer}.button-orange{background:var(--orange);color:#fff;transition:background .2s}.button-orange:hover{background:var(--orange-dark)}.text-link{font-size:14px;text-underline-offset:6px}.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:52px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.2)}.hero-facts dt{font-size:10px;color:#8e9497;letter-spacing:.1em}.hero-facts dd{margin:5px 0 0;font-size:17px}.hero-visual{position:relative;align-self:stretch;margin:0;min-height:610px;clip-path:polygon(12% 0,100% 0,100% 100%,0 100%)}.hero-visual img{height:100%;object-fit:cover}.hero-visual figcaption{position:absolute;inset:auto 0 0;padding:14px 18px 14px 12%;display:flex;justify-content:space-between;background:rgba(17,19,21,.76);font-size:10px;letter-spacing:.16em}.hero-rail{position:absolute;right:18px;top:calc(var(--header) + 34px);bottom:28px;display:flex;flex-direction:column;align-items:center;color:#7b8083;font-size:8px;letter-spacing:.22em;writing-mode:vertical-rl}.hero-rail i{flex:1;width:1px;margin:18px 0;background:linear-gradient(var(--orange),transparent)}
.platforms,.engineering,.manufacturing,.quality,.about{padding:clamp(105px,11vw,180px) var(--gutter)}.section-heading{display:grid;grid-template-columns:110px minmax(420px,1.2fr) minmax(300px,.72fr);gap:clamp(28px,5vw,80px);align-items:end}.section-heading>p:last-child{margin:0;color:#5c6265}.section-no{font-size:66px;font-weight:800;line-height:1;color:var(--orange);border-bottom:5px solid var(--orange);padding-bottom:14px}.platform-feature{min-height:560px;margin-top:90px;display:grid;grid-template-columns:1.35fr .65fr;align-items:stretch;background:#dededb}.platform-feature figure{margin:0;min-height:520px;overflow:hidden;clip-path:polygon(0 0,94% 0,100% 100%,0 100%)}.platform-feature img{height:100%;object-fit:cover;transition:transform .6s ease}.platform-feature:hover img{transform:scale(1.02)}.feature-copy{padding:clamp(38px,5vw,78px);align-self:center}.feature-copy>span{font-size:10px;letter-spacing:.18em;color:var(--orange-dark)}.feature-copy h3{margin-top:24px;font-size:clamp(42px,4vw,67px)}.feature-copy p{margin:22px 0;color:#5d6264}.feature-copy a{font-size:13px;text-underline-offset:6px}.platform-feature-dark{grid-template-columns:.65fr 1.35fr;background:var(--black-2);color:#fff}.platform-feature-dark figure{order:2;clip-path:polygon(6% 0,100% 0,100% 100%,0 100%)}.platform-feature-dark .feature-copy p{color:#aeb2b4}.platform-strip{display:grid;grid-template-columns:1fr 1.4fr auto;align-items:center;gap:36px;padding:36px 0;border-bottom:1px solid var(--black)}.platform-strip strong{font-size:24px}.platform-strip p{margin:0;color:#5d6264}.platform-strip a{color:var(--orange-dark);font-size:13px;font-weight:700;text-decoration:none}
.engineering{position:relative;color:#fff;background:var(--black)}.engineering-head{max-width:970px}.engineering-visual{height:min(57vw,720px);min-height:520px;margin:72px 0 0 13%;position:relative}.engineering-visual::before{content:"ENGINEERING / 03";position:absolute;z-index:2;left:-13%;top:0;padding:16px 20px;background:var(--orange);font-size:10px;letter-spacing:.14em}.engineering-visual img{height:100%;object-fit:cover}.process-line{margin:0 0 0 13%;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.25);display:grid;grid-template-columns:repeat(5,1fr)}.process-line li{position:relative;padding:28px 22px 15px 0;border-right:1px solid rgba(255,255,255,.15)}.process-line li+li{padding-left:22px}.process-line li::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;background:var(--orange)}.process-line span{font-size:10px;color:var(--orange);letter-spacing:.14em}.process-line h3{margin-top:16px;font-size:19px;letter-spacing:-.02em}.process-line p{margin:8px 0;color:#989da0;font-size:12px}
.manufacturing{background:#e6e5e1}.section-heading-light{margin-bottom:80px}.manufacturing-stage{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:minmax(450px,1fr) 230px;gap:0}.manufacturing-main{grid-row:1/3;margin:0;min-height:690px}.manufacturing-main img{height:100%;object-fit:cover}.manufacturing-copy{padding:clamp(38px,5vw,76px);background:#fff}.stage-label{font-size:10px;letter-spacing:.17em;color:var(--orange-dark)}.manufacturing-copy h3{font-size:clamp(38px,3.6vw,60px)}.manufacturing-copy ul{margin:34px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.manufacturing-copy li{padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.manufacturing-copy li::before{content:"/";margin-right:12px;color:var(--orange)}.manufacturing-detail{margin:0}.manufacturing-detail img{height:100%;object-fit:cover}
.quality{padding-right:0;display:grid;grid-template-columns:minmax(380px,.75fr) minmax(520px,1.25fr);align-items:center;gap:clamp(50px,8vw,130px);background:#fff}.quality-copy{padding-left:0}.quality-copy>p:last-of-type{max-width:620px;color:#5d6264}.quality-copy dl{display:grid;grid-template-columns:1fr 1fr;margin:44px 0 0;border-top:1px solid var(--black)}.quality-copy dl div{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:15px 0;border-bottom:1px solid var(--line)}.quality-copy dl div:nth-child(even){padding-left:18px;border-left:1px solid var(--line)}.quality-copy dt{color:var(--orange);font-weight:700}.quality-copy dd{margin:0}.quality-visual{margin:0;min-height:580px;align-self:stretch;clip-path:polygon(9% 0,100% 0,100% 100%,0 100%)}.quality-visual img{height:100%;object-fit:cover}
.about{display:grid;grid-template-columns:150px 1fr 1fr;gap:clamp(34px,5vw,78px);background:var(--paper)}.about-index span{font-size:58px;font-weight:800;color:var(--orange)}.about-index p{margin:12px 0 0;padding-top:10px;border-top:4px solid var(--orange)}.about-copy{padding-top:44px;color:#5d6264;font-size:17px}.about-copy p{margin:0 0 24px}.about-facts{grid-column:2/4;margin:55px 0 0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--black);border-bottom:1px solid var(--black)}.about-facts div{padding:27px 18px 27px 0}.about-facts div+div{padding-left:18px;border-left:1px solid var(--line)}.about-facts dt{font-size:clamp(28px,3vw,46px);font-weight:800}.about-facts dd{margin:4px 0 0;color:#666b6e;font-size:12px}
.contact{position:relative;min-height:880px;background:var(--black);color:#fff}.contact-visual{position:absolute;inset:0;margin:0}.contact-visual img{height:100%;object-fit:cover}.contact-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,19,21,.98) 0 43%,rgba(17,19,21,.7) 66%,rgba(17,19,21,.18))}.contact-panel{position:relative;z-index:2;min-height:880px;padding:120px var(--gutter);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(48px,8vw,130px)}.contact-heading address{display:grid;gap:10px;margin-top:40px;font-style:normal}.contact-heading address a{width:fit-content;font-size:18px;text-underline-offset:5px}.contact-heading address span{margin-top:10px;color:#b1b5b7}.contact-form{padding:clamp(28px,4vw,52px);background:rgba(17,19,21,.82);border:1px solid rgba(255,255,255,.32);backdrop-filter:blur(14px)}.contact-form label{display:grid;gap:7px;margin-bottom:20px;color:#d2d4d5;font-size:12px;letter-spacing:.08em}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-form input,.contact-form textarea{width:100%;padding:10px 0;color:#fff;border:0;border-bottom:1px solid rgba(255,255,255,.58);border-radius:0;background:transparent;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{outline:0;border-bottom-color:var(--orange);box-shadow:0 1px 0 var(--orange)}.contact-form .button{width:100%;margin-top:8px}.form-status{min-height:28px;margin:14px 0 0;color:#ff9567;font-size:13px}
.site-footer{min-height:170px;padding:44px var(--gutter);display:grid;grid-template-columns:1fr auto;gap:28px;background:#0a0b0c;color:#fff}.footer-brand{display:grid;gap:6px}.footer-brand strong{font-size:28px;letter-spacing:.1em}.footer-brand span{font-size:12px;color:#898e91}.footer-nav{display:flex;gap:22px;flex-wrap:wrap}.footer-nav a{font-size:12px;color:#c1c4c5;text-underline-offset:5px}.site-footer>p{grid-column:1/-1;margin:8px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);color:#73787a;font-size:11px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}.reveal-delay{transition-delay:.12s}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1100px){.brand-type small{display:none}.site-nav{gap:16px}.hero{grid-template-columns:.85fr 1.15fr}.hero-visual{min-height:540px}.section-heading{grid-template-columns:90px 1fr}.section-heading>p:last-child{grid-column:2}.platform-feature{grid-template-columns:1.15fr .85fr}.platform-feature-dark{grid-template-columns:.85fr 1.15fr}.quality{grid-template-columns:.85fr 1.15fr}.about{grid-template-columns:120px 1fr 1fr}}
@media(max-width:840px){:root{--header:74px;--gutter:22px}.site-header{padding-top:10px;padding-bottom:10px}.brand-mark{width:39px;height:36px}.brand-type strong{font-size:14px}.site-header.menu-active{height:100svh;align-items:flex-start}.brand,.menu-toggle{position:relative;z-index:2}.menu-toggle{display:block}.menu-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-4px) rotate(-45deg)}.site-nav{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:27px;padding:90px 22px 40px;background:var(--black)}.site-nav.is-open{display:flex}.site-nav a{font-size:25px;font-weight:700}.nav-contact{padding:10px 22px}.hero{min-height:auto;padding-top:calc(var(--header) + 42px);grid-template-columns:1fr;gap:44px}.hero h1{font-size:clamp(54px,14.5vw,78px)}.hero-visual{min-height:440px;clip-path:polygon(7% 0,100% 0,100% 100%,0 100%)}.hero-rail{display:none}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.platforms,.engineering,.manufacturing,.quality,.about{padding:94px var(--gutter)}.section-heading{grid-template-columns:1fr;gap:28px}.section-heading>p:last-child{grid-column:1}.section-no{width:90px}.platform-feature,.platform-feature-dark{grid-template-columns:1fr;margin-top:64px}.platform-feature figure,.platform-feature-dark figure{order:0;min-height:420px;clip-path:polygon(0 0,100% 0,100% 94%,0 100%)}.platform-feature-dark .feature-copy{order:2}.platform-strip{grid-template-columns:1fr;gap:16px;padding:30px 0}.engineering-visual{margin-left:0;min-height:410px}.engineering-visual::before{left:0}.process-line{margin-left:0;grid-template-columns:1fr}.process-line li,.process-line li+li{padding:18px 0 18px 34px;border-right:0;border-bottom:1px solid rgba(255,255,255,.15)}.process-line li::before{top:26px}.manufacturing-stage{grid-template-columns:1fr;grid-template-rows:auto}.manufacturing-main{grid-row:auto;min-height:460px}.manufacturing-detail{min-height:240px}.manufacturing-detail img{height:240px}.quality{padding-right:var(--gutter);grid-template-columns:1fr}.quality-visual{min-height:430px;clip-path:polygon(0 6%,100% 0,100% 100%,0 100%)}.about{grid-template-columns:1fr}.about-title,.about-copy,.about-facts{grid-column:1}.about-copy{padding-top:0}.about-facts{grid-template-columns:1fr 1fr;margin-top:25px}.about-facts div:nth-child(3){border-left:0;border-top:1px solid var(--line);padding-left:0}.about-facts div:nth-child(4){border-top:1px solid var(--line)}.contact,.contact-panel{min-height:auto}.contact-panel{padding:94px var(--gutter);grid-template-columns:1fr}.contact-visual::after{background:rgba(17,19,21,.82)}.contact-form{padding:24px}.field-row{grid-template-columns:1fr;gap:0}.site-footer{grid-template-columns:1fr}}
@media(max-width:430px){.brand-type strong{font-size:12px}.hero-facts{grid-template-columns:1fr 1fr}.hero-facts div:last-child{grid-column:1/-1}.hero-visual{min-height:350px}.platform-feature figure,.platform-feature-dark figure{min-height:330px}.manufacturing-main{min-height:360px}.quality-copy dl{grid-template-columns:1fr}.quality-copy dl div:nth-child(even){padding-left:0;border-left:0}.about-facts{grid-template-columns:1fr}.about-facts div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}

/* Contrast-critical foregrounds */
.site-header{background:var(--black);backdrop-filter:none}
.skip-link,.nav-contact,.button-orange{color:var(--black);font-weight:700}
.button-orange:hover{background:#ff7a42}
.eyebrow{color:var(--orange-dark)}
.hero .eyebrow,.engineering .eyebrow,.contact .eyebrow{color:var(--orange)}
.section-no,.about-index span{color:var(--orange-dark)}
.feature-copy>span{color:var(--orange-dark)}
.platform-feature-dark .feature-copy>span{color:#ff9b70}
.quality-copy dt{color:var(--orange-dark)}
.engineering-visual::before{color:var(--black);font-weight:700}
.site-footer>p{color:#9ca1a3}