:root{--ink:#07111b;--black:#111719;--paper:#d7dee3;--white:#f4f7f8;--copper:#c97a3d;--blue:#6ea8ff;--green:#6bbf8a;--line:rgba(215,222,227,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--paper);font-family:"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.65;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:auto}button,input,textarea{font:inherit}.site-header{height:82px;padding:0 clamp(24px,5vw,80px);display:flex;align-items:center;justify-content:space-between;position:absolute;top:0;left:0;right:0;z-index:20;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:39px;fill:none;stroke:var(--copper);stroke-width:2}.brand span{display:flex;flex-direction:column}.brand b{font-size:17px;letter-spacing:.12em}.brand small{font-size:8px;letter-spacing:.26em;color:#9ca9b2}.desktop-nav{display:flex;gap:clamp(20px,2.6vw,44px);font-size:13px}.desktop-nav a{position:relative}.desktop-nav a:after{content:"";position:absolute;left:0;bottom:-9px;width:0;height:1px;background:var(--copper);transition:.3s}.desktop-nav a:hover:after{width:100%}.menu-toggle,.mobile-menu{display:none}.hero{min-height:920px;position:relative;padding:170px clamp(24px,6.8vw,110px) 110px;display:grid;grid-template-columns:minmax(380px,.8fr) minmax(560px,1.2fr);gap:3vw;align-items:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#07111b 0 45%,rgba(7,17,27,.65) 62%,rgba(7,17,27,.12));z-index:1}.hero:after{content:"";position:absolute;width:820px;height:820px;border:1px solid rgba(110,168,255,.12);border-radius:50%;right:-190px;top:70px;box-shadow:0 0 120px rgba(110,168,255,.08)}.hero-copy{position:relative;z-index:3}.eyebrow{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:#9ca9b2;margin:0 0 24px}.eyebrow span{color:var(--copper);font-size:17px;margin-right:12px}.hero h1,.section-heading h2,.contact h2{font-family:Georgia,"Songti SC",serif;font-weight:400;line-height:1.16;margin:0}.hero h1{font-size:clamp(54px,5.2vw,86px);letter-spacing:-.04em;color:var(--white);white-space:nowrap}.hero h1 em,.contact h2 em{color:var(--copper);font-style:normal}.hero-lead{max-width:580px;margin:34px 0 42px;color:#abb7bf;font-size:16px}.hero-actions{display:flex;align-items:center;gap:34px}.primary-link{background:var(--copper);color:#09121a;padding:15px 20px;font-weight:700;font-size:14px}.primary-link span{margin-left:28px}.text-link{font-size:14px;border-bottom:1px solid #6c7880}.hero-visual{position:absolute;inset:0;z-index:0}.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:68% center}.voltage-axis{position:absolute;right:5vw;bottom:120px;display:flex;gap:0;color:#bbc7ce;font:10px/1 monospace;letter-spacing:.08em}.voltage-axis span{padding:0 26px;position:relative}.voltage-axis span:before{content:"";position:absolute;top:-14px;left:0;width:1px;height:24px;background:var(--copper)}.hero-index{position:absolute;z-index:3;left:6.8vw;right:6.8vw;bottom:42px;display:flex;align-items:center;gap:12px;font:9px/1 monospace;color:#83919a;letter-spacing:.18em}.hero-index b{color:var(--copper);font-size:13px}.hero-index i{height:1px;background:#53616a;flex:1}.section-pad{padding:120px clamp(24px,6.8vw,110px)}.section-heading{display:grid;grid-template-columns:1fr 2fr;align-items:start;margin-bottom:70px}.section-heading h2{font-size:clamp(42px,4.2vw,68px);color:var(--black)}.section-heading.light h2{color:var(--white)}.overview{background:var(--paper);color:var(--black)}.overview-copy{margin-left:33.333%;display:grid;grid-template-columns:1fr 1fr;gap:5vw;max-width:920px}.overview-copy p{margin:0;font-size:16px}.fact-ribbon{margin-top:90px;border-top:1px solid #9ca8ad;border-bottom:1px solid #9ca8ad;display:grid;grid-template-columns:repeat(4,1fr)}.fact-ribbon div{padding:30px 28px;display:flex;gap:14px;align-items:flex-end;border-right:1px solid #9ca8ad}.fact-ribbon div:last-child{border:0}.fact-ribbon strong{font:52px/1 Georgia,serif;color:var(--copper)}.fact-ribbon span{font-size:11px;line-height:1.4;color:#4f5b61}.products{background:var(--black)}.product-intro{margin-left:33.333%;display:flex;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line);padding-bottom:24px}.product-intro p{max-width:660px;margin:0}.product-intro span{font:9px/1.4 monospace;color:var(--copper);text-align:right}.product-spectrum{margin-top:56px;display:grid;grid-template-columns:1.45fr .75fr;gap:5vw;align-items:stretch}.product-spectrum img{height:100%;min-height:670px;object-fit:cover}.product-spectrum ol{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.product-spectrum li{display:grid;grid-template-columns:52px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:25px 0}.product-spectrum li b{font:11px/1 monospace;color:var(--copper)}.product-spectrum h3{margin:0 0 8px;font:22px/1.2 Georgia,serif;color:var(--white)}.product-spectrum p{margin:0;font-size:12px;color:#9ca9b2}.material-pair{margin-top:100px;display:grid;grid-template-columns:1fr 1fr;gap:0}.material-pair figure{margin:0;position:relative;overflow:hidden;min-height:570px}.material-pair img{height:100%;object-fit:cover;filter:saturate(.85)}.material-pair figure:nth-child(2){margin-top:120px}.material-pair figcaption{position:absolute;left:0;right:0;bottom:0;padding:80px 42px 38px;background:linear-gradient(transparent,rgba(7,17,27,.95))}.material-pair figcaption span{font:10px/1 monospace;color:var(--copper);letter-spacing:.2em}.material-pair h3{font:30px/1.2 Georgia,serif;margin:10px 0;color:var(--white)}.material-pair p{margin:0;max-width:420px;color:#a9b4bc;font-size:13px}.manufacturing{background:#bfc7cc;color:var(--black);position:relative}.process-line{display:flex;align-items:center;gap:12px;margin-bottom:85px;font:10px/1 monospace;letter-spacing:.14em;color:#66737a}.process-line i{height:1px;background:#8e999e;flex:1}.process-line span:last-child{color:#8c4d24}.process-feature{display:grid;grid-template-columns:1.55fr .65fr;gap:4vw;align-items:center}.image-cut{clip-path:polygon(0 0,100% 0,91% 100%,0 100%)}.process-feature img{height:620px;object-fit:cover}.process-copy>span{font:10px/1 monospace;color:#7c4a28;letter-spacing:.2em}.process-copy h3,.lab-feature h3{font:38px/1.2 Georgia,serif;margin:18px 0}.process-copy p{color:#4c585e}.process-copy a{display:inline-flex;justify-content:space-between;width:100%;border-top:1px solid #8f9a9f;border-bottom:1px solid #8f9a9f;padding:18px 0;margin-top:26px;font-size:13px}.lab-feature{margin-top:110px;display:grid;grid-template-columns:.6fr 1.4fr;gap:5vw;align-items:center}.lab-feature img{height:520px;object-fit:cover}.applications{background:var(--ink);display:grid;grid-template-columns:1.25fr .75fr;gap:6vw;align-items:center}.application-image{position:relative}.application-image img{min-height:720px;object-fit:cover}.application-image>span{position:absolute;left:-37px;top:50%;transform:rotate(-90deg);font:9px/1 monospace;letter-spacing:.24em;color:var(--copper)}.application-copy h2{font:clamp(42px,4vw,64px)/1.18 Georgia,serif;color:var(--white);margin:0 0 32px}.application-copy>p:not(.eyebrow){color:#9eabb3}.application-copy ul{list-style:none;padding:0;margin:42px 0 0;display:grid;grid-template-columns:1fr 1fr}.application-copy li{border-bottom:1px solid var(--line);padding:14px 0;font-size:13px}.application-copy li:before{content:"↗";color:var(--copper);margin-right:14px}.development{background:#102219;display:grid;grid-template-columns:1.15fr .85fr;gap:6vw;align-items:center}.green-visual img{min-height:700px;object-fit:cover}.development h2{font:clamp(40px,3.6vw,60px)/1.18 Georgia,serif;color:#ecf4ee;margin:0 0 54px}.timeline{border-top:1px solid rgba(107,191,138,.35)}.timeline>div{display:grid;grid-template-columns:75px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid rgba(107,191,138,.22)}.timeline time{font:20px/1.5 Georgia,serif;color:var(--green)}.timeline p{margin:0;font-size:13px;color:#b7c7bd}.contact{background:#dce2e5;color:var(--black);display:grid;grid-template-columns:1fr 1fr;gap:8vw}.contact h2{font-size:clamp(42px,4vw,66px)}address{font-style:normal;margin-top:55px;border-left:2px solid var(--copper);padding-left:24px}address p{margin:6px 0;font-size:13px}.inquiry-form{display:grid;grid-template-columns:1fr 1fr;gap:26px 22px;align-self:end}.field{border-bottom:1px solid #8a969c}.field.full{grid-column:1/-1}.field label{display:block;font-size:10px;letter-spacing:.16em;color:#68767d}.field input,.field textarea{display:block;width:100%;border:0;background:transparent;padding:10px 0;color:var(--black);outline:none;resize:vertical}.field:focus-within{border-color:var(--copper)}.inquiry-form button{grid-column:1/-1;border:0;background:var(--black);color:var(--white);padding:18px 22px;display:flex;justify-content:space-between;cursor:pointer}.inquiry-form button:hover{background:#263239}.inquiry-form #form-status{grid-column:1/-1;margin:0;font-size:12px;color:#8a4a22;min-height:20px}footer{background:#050c12;min-height:150px;padding:40px clamp(24px,6.8vw,110px);display:flex;align-items:center;gap:50px;color:#839099}footer>p{margin-left:auto;font-size:10px}footer>small{font-size:10px}.footer-brand b{color:var(--paper)}.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s ease,transform .75s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:980px){.desktop-nav{display:none}.menu-toggle{display:flex;width:42px;height:42px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px;color:var(--paper);cursor:pointer}.menu-toggle span{width:24px;height:1px;background:currentColor}.menu-toggle i{position:absolute;left:-9999px}.mobile-menu{display:flex;position:fixed;inset:82px 0 auto;background:#07111bf5;flex-direction:column;padding:24px clamp(24px,6.8vw,110px);transform:translateY(-130%);opacity:0;pointer-events:none;transition:.35s}.mobile-menu.open{transform:none;opacity:1;pointer-events:auto}.mobile-menu a{padding:16px 0;border-bottom:1px solid var(--line)}.hero{grid-template-columns:1fr;min-height:820px}.hero h1{white-space:normal}.hero:before{background:linear-gradient(90deg,#07111bed 0 40%,rgba(7,17,27,.35))}.section-heading{grid-template-columns:1fr}.section-heading .eyebrow{margin-bottom:18px}.overview-copy,.product-intro{margin-left:0}.product-spectrum{grid-template-columns:1.2fr .8fr}.process-feature{grid-template-columns:1.2fr .8fr}.applications,.development{gap:4vw}.contact{gap:4vw}}
@media(max-width:640px){.site-header{height:70px}.brand-mark{width:34px}.brand b{font-size:15px}.mobile-menu{inset:70px 0 auto}.hero{min-height:760px;padding-top:130px;padding-bottom:85px}.hero:before{background:linear-gradient(180deg,rgba(7,17,27,.55),#07111bf5 72%)}.hero-visual img{object-position:62% center;opacity:.66}.hero h1{font-size:48px}.hero-lead{font-size:14px}.hero-actions{align-items:flex-start;flex-direction:column;gap:20px}.hero-index{bottom:24px}.hero-index span{display:none}.voltage-axis{display:none}.section-pad{padding:82px 22px}.section-heading{margin-bottom:44px}.section-heading h2{font-size:40px}.overview-copy{grid-template-columns:1fr;gap:22px}.fact-ribbon{grid-template-columns:1fr 1fr;margin-top:55px}.fact-ribbon div:nth-child(2){border-right:0}.fact-ribbon div:nth-child(-n+2){border-bottom:1px solid #9ca8ad}.fact-ribbon strong{font-size:40px}.product-intro{display:block}.product-intro span{display:block;text-align:left;margin-top:22px}.product-spectrum{grid-template-columns:1fr}.product-spectrum img{min-height:400px}.material-pair{grid-template-columns:1fr;margin-top:60px}.material-pair figure{min-height:480px}.material-pair figure:nth-child(2){margin-top:0}.material-pair figcaption{padding:70px 24px 26px}.process-line{gap:6px;overflow:hidden}.process-line span{font-size:8px}.process-line i{min-width:15px}.process-feature{grid-template-columns:1fr}.process-feature img{height:440px}.image-cut{clip-path:none}.lab-feature{grid-template-columns:1fr;margin-top:75px}.lab-feature img{height:420px}.applications{grid-template-columns:1fr}.application-image img{min-height:460px}.application-image>span{display:none}.development{grid-template-columns:1fr}.green-visual img{min-height:460px}.contact{grid-template-columns:1fr}.inquiry-form{grid-template-columns:1fr}.field,.field.full{grid-column:1}.contact h2{font-size:42px}footer{align-items:flex-start;flex-direction:column;gap:18px}footer>p{margin:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}