:root{--navy:#122b3d;--deep:#0d2232;--orange:#e87537;--text:#1e3443;--muted:#71818b;--line:#e2e7ea;--paper:#f5f7f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;color:var(--text);background:#fff;font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait}a:hover{color:var(--orange)}:focus-visible{outline:3px solid #e87537;outline-offset:3px}.wrap{max-width:1440px;margin:auto;padding-inline:40px}.topbar{background:var(--deep);color:#c3cdd5;font-size:10px;letter-spacing:1.4px}.topbar .wrap{display:flex;justify-content:space-between;gap:20px;padding-block:9px}.topbar span:last-child{color:#d9b699;letter-spacing:.7px}header{background:white;border-bottom:1px solid var(--line)}.masthead{height:101px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;font-weight:850;letter-spacing:-1.8px;font-size:31px;line-height:1}.brand i{font-style:normal;font-family:Georgia,serif;transform:skew(-12deg);color:var(--orange);font-size:52px;line-height:1;margin-inline-end:10px}.brand-light{font-weight:400}.brand small{display:block;letter-spacing:1.3px;font-size:8px;margin-top:8px;font-weight:500}.search{border:1px solid #dce3e8;display:flex;align-items:center;flex:1;max-width:550px;margin-inline:auto;background:#f8fafb;height:44px}.search>span{font-size:28px;padding:0 12px;color:#7f8d97}.search input{width:100%;min-width:0;border:0;background:none;outline:none;font-size:12px;padding:10px 0}.search button{height:100%;background:var(--navy);border:0;color:white;padding:0 22px;font-size:12px}select{border:1px solid var(--line);padding:10px;background:white;color:var(--text)}#language{max-width:150px;font-size:12px;border:0}.header-list{font-size:12px;white-space:nowrap}.header-list b,.cart-count{display:inline-flex;align-items:center;justify-content:center;background:#fff0e7;color:#c75c24;min-width:23px;height:23px;margin-inline-start:5px;border-radius:3px;font-size:11px}nav{display:flex;gap:35px;align-items:center;height:54px;font-size:12px;white-space:nowrap}nav .active{color:var(--orange)}nav .catalog-nav{min-width:209px;font-weight:700;border-inline-end:1px solid var(--line)}nav>a:last-child{margin-inline-start:auto}.hero{background:var(--navy);overflow:hidden;color:white}.hero-grid{display:grid;grid-template-columns:1.07fr 1fr;min-height:436px}.hero-copy{padding:46px 20px 30px 0;z-index:1}.eyebrow{font-size:10px;letter-spacing:1.7px;color:#b4c5d0;font-weight:600;display:flex;align-items:center;gap:9px}.eyebrow span{width:6px;height:6px;background:var(--orange)}h1{font-size:48px;line-height:1.18;letter-spacing:-1.8px;margin:22px 0}h1 em{font-style:normal;color:#d2e0e9;font-weight:400}.hero p{color:#b7c8d3;max-width:485px;font-size:13px;line-height:1.9}.hero-actions{display:flex;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:12px 22px;font-weight:600;font-size:12px;border:1px solid transparent}.orange{background:var(--orange);color:#fff}.orange:hover{background:#d3652c;color:white}.outline-light{border-color:#6b7e8c;color:white}.white{background:white;color:var(--navy)}.full{width:100%}.hero-foot{display:flex;gap:24px;margin-top:36px;color:#aebfca;font-size:10px}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-width:0}.technical-grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(90deg,transparent,black)}.hero-visual>img{position:relative;width:110%;max-width:660px;mix-blend-mode:luminosity;opacity:.88;transform:rotate(-7deg);clip-path:polygon(0 15%,100% 0,100% 90%,0 100%);border-radius:180px 80px 120px 60px;filter:contrast(1.3)}.material-label{position:absolute;bottom:69px;right:25px;background:#0c2233df;border-inline-start:2px solid var(--orange);padding:14px 24px;backdrop-filter:blur(10px)}.material-label span,.material-label small{display:block;font-size:9px;letter-spacing:1.5px;color:#b4c5ce}.material-label strong{font-size:21px;font-weight:400;letter-spacing:2px}.material-label small{font-size:9px;letter-spacing:.3px}.visual-index{position:absolute;top:28px;right:0;left:36px;font-size:9px;letter-spacing:2px;color:#829eaf;display:flex;justify-content:space-between}.value-strip{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding-block:25px;gap:25px}.value-strip>div{display:flex;align-items:center;gap:16px;justify-content:center;border-inline-end:1px solid var(--line)}.value-strip>div:last-child{border:0}.value-strip b{font-size:27px;color:#476777;font-weight:400}.value-strip strong{display:block;font-size:12px;font-weight:600}.value-strip small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.materials{padding-top:48px;padding-bottom:52px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px}.dark{color:#69818f}.section-heading h2,h2{font-size:26px;letter-spacing:-.6px;font-weight:600;line-height:1.35;margin:10px 0}.section-heading>a{font-size:11px;border-bottom:1px solid var(--line);padding-bottom:5px}.catalog-layout{display:grid;grid-template-columns:210px minmax(0,1fr) 236px;gap:23px;align-items:start}.categories{border:1px solid var(--line)}.categories h3{background:var(--navy);color:#fff;font-size:12px;margin:0;padding:16px}.category{display:flex;width:100%;align-items:center;justify-content:space-between;border:0;border-bottom:1px solid #edf0f2;background:white;text-align:start;min-height:42px;padding:8px 14px;font-size:11px;color:#526775}.category:hover,.category.active{color:#d5682e;background:#fff6ef}.category.active{border-inline-start:3px solid var(--orange);padding-inline-start:11px}.category b{font-weight:400;font-size:10px}.side-help{padding:21px 16px;background:#f4f7f8}.side-help>span{display:block;font-size:25px;color:#75909f;margin-bottom:7px}.side-help strong{font-size:12px;display:block}.side-help p{font-size:11px;color:var(--muted);line-height:1.8}.side-help a{font-size:11px;color:#c56731}.filters{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px;gap:10px}.filters>div{display:flex;gap:4px;flex-wrap:wrap}.grade{min-height:34px;background:white;border:1px solid var(--line);padding:4px 10px;font-size:10px;color:#68808f}.grade.active{background:var(--navy);border-color:var(--navy);color:white}.filters label{font-size:10px;color:var(--muted);white-space:nowrap}.filters select{font-size:10px;border:0;padding:6px 0}.catalog-notice{font-size:10px;color:#788a95;margin:12px 0 15px}.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.product{border:1px solid var(--line);transition:box-shadow .2s,transform .2s;background:white}.product:hover{transform:translateY(-3px);box-shadow:0 8px 20px #12304410}.product[hidden]{display:none}.product-image{display:block;position:relative;background:#edf1f3;overflow:hidden;aspect-ratio:1.66}.product-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.product:hover img{transform:scale(1.05)}.product-tag{position:absolute;left:10px;top:10px;background:#ffffffda;color:#294353;font-size:9px;padding:2px 7px}.product-info{padding:13px 12px}.product-info>small{font-size:8px;color:#87959d;letter-spacing:.7px}.product h3{font-size:12px;font-weight:600;margin:5px 0 7px;line-height:1.45;min-height:34px}.spec{font-size:10px;color:#6a7e8b;min-height:30px;margin:5px 0}.product-meta{display:flex;justify-content:space-between;gap:4px;font-size:8px;color:#84939c;padding:8px 0 11px;border-bottom:1px solid #eef1f3}.product-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:11px;gap:3px}.product-bottom strong{font-size:10px;font-weight:500}.add-btn{background:#fff3ea;border:1px solid #f7d8c4;color:#d57337;width:36px;height:36px;font-size:24px;line-height:1}.inquiry-side{border:1px solid var(--line);padding:16px;position:sticky;top:20px}.inquiry-title{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px}.inquiry-title h3{font-size:13px;margin:0;font-weight:600}.empty-cart{padding:35px 4px;text-align:center}.empty-cart>span{display:block;color:#a4b5bf;font-size:43px;font-weight:200;line-height:1.5}.empty-cart strong{font-size:11px;display:block;font-weight:500;margin:8px 0}.empty-cart p{font-size:10px;color:var(--muted);line-height:1.8}.inquiry-summary{display:flex;flex-direction:column;gap:6px;font-size:10px;border-top:1px solid var(--line);padding:14px 0}.inquiry-summary span{color:var(--muted)}.inquiry-summary strong{font-weight:500}.inquiry-side .btn{font-size:10px;padding-inline:9px}.muted{color:var(--muted);font-size:11px;line-height:1.8}.inquiry-side>.muted{font-size:9px;display:block;text-align:center;margin-top:12px}.mini-item{border-bottom:1px solid var(--line);padding:12px 20px 12px 0;position:relative;font-size:11px}.mini-item strong{font-weight:500;display:block}.mini-item small{color:var(--muted);display:block}.mini-item button{border:0;background:none;position:absolute;right:-3px;top:15px;font-size:20px;color:#8a9aa6;min-width:30px;min-height:30px}.process{display:grid;grid-template-columns:1.15fr repeat(3,1fr);gap:35px;padding-block:40px 54px;border-top:1px solid var(--line)}.process h2{font-size:26px;line-height:1.35}.process>div>a{font-size:11px;color:#b66432}.step{border-inline-start:1px solid var(--line);padding-inline-start:27px;padding-top:3px}.step b{font-weight:400;font-size:34px;color:#c9d2d8}.step h3{font-size:13px;margin:13px 0 8px}.step p{font-size:11px;line-height:1.9;color:var(--muted)}.custom-banner{background:var(--navy);color:white;display:flex;justify-content:space-between;align-items:center;padding-block:38px;margin-bottom:55px;gap:30px;border-inline-start:4px solid var(--orange)}.custom-banner h2{font-size:29px;color:#f2f6f8}.custom-banner p{color:#a7bbc8;font-size:12px}.custom-banner .btn{white-space:nowrap}footer{background:#f2f5f6;border-top:1px solid var(--line);padding-top:40px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:50px;padding-bottom:35px}.footer-grid .brand{font-size:27px;margin-bottom:17px}.footer-grid p{max-width:300px;font-size:11px;color:#788b96}.footer-grid>div>strong{font-size:11px;display:block;margin-bottom:15px}.footer-grid>div>a:not(.brand){font-size:11px;display:block;margin-bottom:9px;color:#738591}.footer-grid .muted{font-size:9px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #dfe6e9;padding-block:18px;font-size:9px;color:#8a9ba5;gap:20px}.footer-bottom>div{display:flex;gap:20px}.detail,.rfq-page,.information{padding-block:35px 65px;min-height:60vh}.breadcrumb{font-size:11px;color:var(--muted);margin-bottom:32px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.detail-grid>img{width:100%;margin-top:10px}.detail h1,.rfq-page h1,.information h1{font-size:36px;margin:16px 0}.detail p,.rfq-page>p{color:var(--muted);max-width:720px}.detail dl{display:grid;grid-template-columns:1fr 1.5fr;font-size:12px;margin:25px 0}.detail dt,.detail dd{border-bottom:1px solid var(--line);padding:13px 0;margin:0}.detail dt{color:var(--muted)}.rfq-grid{display:grid;grid-template-columns:1fr 350px;gap:26px;align-items:start;margin-top:28px}.panel{border:1px solid var(--line);padding:25px;margin-bottom:22px;background:white}.panel h2{font-size:17px;margin:0 0 20px}.panel-title{display:flex;align-items:baseline;gap:10px;justify-content:space-between}.text-button{border:0;background:none;color:#c2622e;font-size:11px;padding:8px}.notice{background:#fff8ee;border-inline-start:3px solid var(--orange);padding:16px 20px;font-size:12px;line-height:1.9;margin:24px 0}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}label{display:block;font-size:12px;margin-bottom:14px}label input:not([type=checkbox]),label textarea,label select{display:block;width:100%;border:1px solid #d5dfe5;border-radius:0;padding:11px 12px;margin-top:6px;min-height:44px;color:var(--text);background:#fff}label textarea{resize:vertical}.checkbox{display:flex;align-items:start;gap:9px;font-size:10px;color:#6b7d88;line-height:1.9}.checkbox input{margin-top:5px;accent-color:var(--orange)}.checkbox a{text-decoration:underline}.upload-zone{border:1px dashed #b3c5d0;background:#f8fafb;text-align:center;padding:20px;cursor:pointer}.upload-zone>span{display:block;font-size:30px;color:#6b889a}.upload-zone strong{display:block;font-size:12px}.upload-zone small{display:block;font-size:10px;color:var(--muted);margin:8px}.upload-zone input{font-size:10px!important;border:0!important;max-width:350px;margin:auto!important;background:none!important}.rfq-row{display:flex;gap:15px;align-items:center;padding-block:16px;border-top:1px solid var(--line);font-size:12px}.rfq-row>div{flex:1;min-width:0}.rfq-row small{display:block;color:var(--muted);font-size:10px;overflow-wrap:anywhere}.rfq-row>b{white-space:nowrap;font-size:11px}.rfq-row button{border:0;background:var(--paper);padding:8px;font-size:11px;min-height:36px}.sticky{position:sticky;top:20px}.empty{padding:35px;text-align:center;color:var(--muted);font-size:12px}.empty a{color:#cc703c}.honeypot{display:none}.form-errors{background:#fff0f0;border:1px solid #f1c8c8;padding:15px;color:#9c3333}.info-lead{max-width:880px;font-size:16px;line-height:2;color:#6b818f}.information{padding-top:65px}.information>.btn{margin-top:25px}.info-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:40px 0}.info-cards>div{background:var(--paper);border:1px solid var(--line);padding:26px}.info-cards b{font-size:32px;font-weight:400;color:#b2c1cb}.info-cards h3{font-size:15px}.info-cards p{font-size:12px;color:var(--muted)}dialog{border:1px solid var(--line);max-width:560px;width:calc(100% - 30px);padding:28px;max-height:90vh;color:var(--text)}dialog::backdrop{background:#071a2bc4;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-head h2{font-size:21px}.close-dialog{font-size:30px;border:0;background:none;min-width:44px;min-height:44px;color:var(--muted)}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);padding:12px 24px;background:var(--navy);color:white;box-shadow:0 5px 35px #0002;opacity:0;pointer-events:none;transition:.2s;z-index:100;font-size:12px}#toast.show{opacity:1;transform:translate(-50%,0)}.mobile-cart{display:none}#file-list{font-size:11px;overflow-wrap:anywhere}body[data-locale=zh-Hans] h1{line-height:1.35;letter-spacing:0}body[data-locale=zh-Hans] .hero-copy{padding-top:40px}body[data-locale=zh-Hans] .hero p{max-width:420px}body[data-page=products] .products{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(min-width:1600px){.wrap{max-width:1510px}.hero-grid{min-height:480px}.hero-copy{padding-top:58px}.hero h1{font-size:58px}.catalog-layout{grid-template-columns:220px minmax(0,1fr) 250px}.product h3{font-size:14px}.product-info{padding:15px}}
@media(max-width:1199px){.wrap{padding-inline:24px}.masthead{gap:20px}.brand{font-size:27px}.brand i{font-size:42px}.search{max-width:420px}nav{gap:24px}.catalog-layout{grid-template-columns:180px minmax(0,1fr)}.inquiry-side{display:none}.hero h1{font-size:42px}.hero-foot{gap:12px;font-size:9px}.products{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-visual img{width:130%}.hero-actions{flex-wrap:wrap;gap:9px}.hero-actions .btn{padding-inline:15px}.value-strip{gap:12px}.value-strip>div{gap:10px}.value-strip small{font-size:9px}.process{gap:20px}.step{padding-inline-start:20px}.rfq-grid{grid-template-columns:1fr 300px;gap:20px}.footer-grid{gap:30px}.mobile-cart{display:block;position:fixed;bottom:15px;right:20px;background:var(--navy);color:#fff;padding:11px 20px;font-size:11px;z-index:10;box-shadow:0 5px 20px #102b3e33}}
@media(max-width:767px){.wrap{padding-inline:18px}.topbar .wrap{padding-block:7px;font-size:8px;letter-spacing:.5px}.topbar span:last-child{display:none}.masthead{height:auto;min-height:85px;flex-wrap:wrap;gap:12px;padding-block:16px}.brand{font-size:26px}.brand small{font-size:7px}.brand i{font-size:39px}.search{order:5;flex-basis:100%;max-width:none;height:42px}.header-list{display:none}#language{margin-inline-start:auto;font-size:11px;padding-inline:5px;width:123px}nav{overflow-x:auto;gap:23px;height:47px;font-size:11px}nav .catalog-nav{min-width:auto;border:0}nav>a:last-child{margin-inline-start:0}.hero-grid{grid-template-columns:1fr;min-height:0}.hero-copy{padding:35px 0 25px}.eyebrow{font-size:8px;letter-spacing:1px}.hero h1{font-size:40px;letter-spacing:-1px;margin:19px 0}.hero p{font-size:12px;max-width:440px}.hero-actions{margin-top:22px}.hero-actions .btn{font-size:11px;min-height:46px;padding-inline:15px}.hero-foot{margin-top:23px;font-size:8px;gap:16px;flex-wrap:wrap}.hero-visual{height:200px;margin:0 -18px;overflow:hidden;background:#0e2639}.hero-visual>img{width:80%;max-width:400px;transform:rotate(-7deg) translateY(-15px)}.material-label{right:20px;bottom:15px;padding:10px 15px}.material-label strong{font-size:14px}.material-label span,.material-label small{font-size:7px}.visual-index{top:10px;left:18px;right:18px;font-size:7px}.value-strip{gap:8px;padding-block:18px;grid-template-columns:repeat(3,1fr)}.value-strip>div{display:block;text-align:center;padding-inline:2px}.value-strip b{font-size:21px}.value-strip strong{font-size:9px;margin-top:4px}.value-strip small{display:none}.materials{padding-block:30px}.section-heading{gap:15px;margin-bottom:18px}.section-heading h2{font-size:21px;line-height:1.5;max-width:270px}.section-heading>a{font-size:9px;white-space:nowrap}.catalog-layout{grid-template-columns:1fr;gap:16px}.categories{display:flex;overflow-x:auto;border:0;background:#f5f7f8}.categories h3,.side-help{display:none}.category{width:auto;flex-shrink:0;border:1px solid var(--line);padding:10px 13px;gap:10px;min-height:44px}.category.active{border:1px solid #e9b798;padding:10px 13px}.category>span:last-child{display:none}.filters{padding-bottom:9px;gap:5px}.filters label{margin:0;font-size:9px}.filters select{max-width:100px}.grade{min-height:36px;padding:5px 9px;font-size:9px}.products,body[data-page=products] .products{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-info{padding:11px}.product h3{font-size:12px;min-height:35px}.product-meta{font-size:8px;display:block}.product-meta span{display:block}.product-bottom strong{font-size:9px}.add-btn{height:44px;width:44px}.catalog-notice{font-size:9px}.product-tag{top:7px;left:7px;font-size:8px}.product-image{aspect-ratio:1.5}.process{grid-template-columns:1fr;padding-block:27px;gap:18px}.process h2{font-size:25px}.step{display:grid;grid-template-columns:40px 1fr;gap:0 15px;padding-inline-start:15px}.step b{grid-row:span 2;font-size:28px}.step h3{margin:4px 0;font-size:13px}.step p{margin:3px 0;font-size:11px}.custom-banner{display:block;margin-bottom:0;padding-block:30px}.custom-banner h2{font-size:25px}.custom-banner p{font-size:11px}.custom-banner .btn{margin-top:15px}.footer-grid{grid-template-columns:repeat(2,1fr);gap:25px 20px}.footer-grid>div:first-child{grid-column:span 2}.footer-grid>div:last-child{grid-column:span 2}.footer-bottom{display:block;padding-bottom:85px}.footer-bottom>div{flex-wrap:wrap;gap:12px;margin-top:12px}.mobile-cart{left:18px;right:18px;bottom:12px;text-align:center;min-height:46px;font-size:12px}.detail-grid,.rfq-grid{grid-template-columns:1fr;gap:24px}.detail h1,.rfq-page h1,.information h1{font-size:29px;line-height:1.35;letter-spacing:-.6px}.detail-grid>img{margin:0}.detail dl{font-size:11px}.panel{padding:18px}.panel h2{font-size:15px}.rfq-page{padding-block:30px}.rfq-row{flex-wrap:wrap;gap:10px}.rfq-row>div{flex-basis:65%}.rfq-row>b{font-size:10px}.form-grid{grid-template-columns:1fr 1fr;gap:0 12px}.info-cards{grid-template-columns:1fr 1fr;gap:12px}.info-cards>div{padding:18px}.info-cards h3{font-size:13px}.info-cards p{font-size:11px}.info-lead{font-size:14px;line-height:2}.information{padding-block:40px}.panel-title{flex-wrap:wrap;margin-bottom:12px}.panel-title h2{margin-bottom:0}dialog{padding:20px}.dialog-head h2{font-size:19px}#toast{bottom:80px;min-width:250px;text-align:center}}
@media(max-width:359px){.products,body[data-page=products] .products{grid-template-columns:1fr}.hero h1{font-size:34px}.form-grid,.info-cards{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}