@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#071d36;--navy2:#0d2d51;--blue:#1465c7;--blue2:#1f77dc;--ink:#102238;--muted:#637489;--line:#dce5ee;--pale:#f2f7fc;--white:#fff;--orange:#ffb34d;font-family:Manrope,Arial,sans-serif;color:var(--ink);background:#fff;font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1240px,calc(100% - 48px));margin-inline:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.header-inner{height:78px;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}.brand-mark{width:42px;height:42px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;letter-spacing:-2px;border-radius:7px}.brand-mark span{color:var(--orange);font-size:20px;margin-inline:1px}.brand-word{display:flex;flex-direction:column;font-size:15px;line-height:1.05;font-weight:800;letter-spacing:.065em}.brand-word small{font-size:10px;color:var(--blue);letter-spacing:.24em;margin-top:6px}.nav{display:flex;align-items:center;gap:30px;margin-left:auto}.nav a{font-size:14px;font-weight:700;color:#40546b;transition:color .2s}.nav a:hover,.nav a[aria-current=page]{color:var(--blue)}.cart-link{display:flex;align-items:center;gap:9px;background:var(--navy);color:#fff;padding:10px 14px;border-radius:6px;font-weight:700;font-size:14px;white-space:nowrap}.cart-count{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:var(--navy);font-size:12px}
.hero{background:var(--navy);color:#fff;overflow:hidden}.hero-grid{min-height:595px;display:grid;grid-template-columns:1fr .88fr;align-items:stretch}.hero-copy{padding:86px 40px 80px 0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow{font-size:12px;letter-spacing:.19em;font-weight:800;color:#7fb8ff;display:flex;align-items:center;gap:11px}.eyebrow.dark{color:var(--blue)}.eyebrow-line{display:block;width:28px;height:2px;background:var(--orange)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(42px,4.7vw,72px);line-height:1.07;letter-spacing:-.055em;margin:27px 0 25px;max-width:700px;font-weight:800}.hero h1 em{font-style:normal;color:var(--orange)}.hero-copy>p{max-width:590px;font-size:17px;line-height:1.8;color:#cad8e9}.hero-actions{display:flex;gap:13px;margin-top:22px}.button-primary,.button-secondary,.button-dark{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:5px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,background .2s}.button-primary{background:var(--blue2);color:#fff}.button-primary:hover,.add-button:hover{background:#0f57ae;transform:translateY(-1px)}.button-secondary{border-color:#6381a2;color:#fff;background:transparent}.button-secondary:hover{background:#ffffff15}.button-secondary.light{border-color:#c4d2e0;color:var(--ink)}.button-secondary.light:hover{background:var(--pale)}.button-dark{background:var(--navy);color:#fff}.button-dark:hover{background:var(--navy2)}.hero-proof{display:flex;gap:34px;margin-top:66px;border-top:1px solid #345273;padding-top:24px;width:100%}.hero-proof div{display:flex;flex-direction:column;gap:4px}.hero-proof strong{font-size:20px}.hero-proof span{font-size:12px;color:#b6c7dc}.hero-visual{position:relative;min-height:595px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#2468a5 0%,#0c335d 56%,#092743 100%);margin-right:calc((min(1240px,100vw - 48px) - 100vw)/2);overflow:hidden}.visual-grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff12 1px,transparent 1px),linear-gradient(90deg,#ffffff12 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(90deg,transparent,#000 35%)}.hero-visual img{position:relative;width:min(76%,520px);max-height:405px;object-fit:contain;background:#fff;padding:24px;border-radius:10px;box-shadow:0 30px 90px #0013298a;transform:rotate(-4deg)}.visual-label,.visual-code{position:absolute;color:#afd0f4;font-size:12px;letter-spacing:.16em;font-weight:800}.visual-label{top:34px;right:37px}.visual-code{bottom:40px;left:40px}.visual-code span{color:var(--orange)}
.section{padding-top:92px;padding-bottom:92px}.section-pale{background:var(--pale)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.section h2,.detail-lower h2{font-size:clamp(30px,3vw,42px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 0}.text-link{color:var(--blue);font-size:14px;font-weight:800;white-space:nowrap}.text-link:hover{text-decoration:underline}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.category-tile{position:relative;min-height:186px;padding:23px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:13px;background:#fff;transition:background .2s}.category-tile:hover{background:#edf5ff}.tile-number{color:var(--blue);font-size:12px;font-weight:800}.category-tile strong{font-size:17px;line-height:1.35;max-width:200px}.category-tile small{font-size:13px;line-height:1.5;color:var(--muted);max-width:220px}.tile-arrow{position:absolute;right:21px;top:21px;color:var(--blue);font-size:22px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.product-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:box-shadow .2s,transform .2s}.product-card:hover{box-shadow:0 15px 35px #0a2f5817;transform:translateY(-2px)}.card-image{height:225px;background:#f8fafc;display:flex;align-items:center;justify-content:center;padding:23px;border-bottom:1px solid var(--line)}.card-image img{width:100%;height:100%;object-fit:contain}.card-body{padding:19px;display:flex;flex-direction:column;flex:1}.card-meta{display:flex;justify-content:space-between;gap:10px;color:var(--blue);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.045em}.card-meta span:last-child{color:var(--muted);white-space:nowrap}.product-card h3{font-size:16px;line-height:1.45;margin:15px 0 8px;letter-spacing:-.015em}.product-card h3 a:hover{color:var(--blue)}.card-en{font-size:12px;line-height:1.5;color:var(--muted);margin-bottom:19px}.card-actions{margin-top:auto;border-top:1px solid var(--line);padding-top:15px;display:flex;justify-content:space-between;align-items:center;gap:9px}.card-actions .text-link{font-size:12px}.add-button{background:var(--blue);border:0;color:#fff;font-size:12px;font-weight:800;padding:10px 12px;border-radius:4px;white-space:nowrap;transition:background .2s,transform .2s}.company{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.company p{font-size:17px;line-height:1.85;color:#526479}.company .button-dark{margin-top:16px}
.page-hero{background:var(--navy);color:#fff;padding:37px 0 62px}.breadcrumbs{font-size:13px;color:#adc3da;margin-bottom:37px}.breadcrumbs a:hover{text-decoration:underline}.page-title-row{display:flex;align-items:end;justify-content:space-between;gap:30px}.page-hero h1{font-size:clamp(36px,4vw,56px);letter-spacing:-.05em;line-height:1.1;margin:13px 0}.page-hero p{color:#c9d8e9;font-size:16px;margin:0;line-height:1.6}.pdf-link{color:#fff;border:1px solid #7293b4;padding:13px 17px;border-radius:5px;font-size:14px;font-weight:800;white-space:nowrap}.pdf-link:hover{background:#ffffff1b}.catalog-section{padding-top:35px;padding-bottom:95px}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-box{display:flex;align-items:center;gap:10px;border:1px solid #cbd8e5;border-radius:5px;width:min(550px,100%);height:50px;padding:0 15px}.search-box:focus-within{outline:2px solid #8ab9ed}.search-box span{font-size:26px;color:var(--blue);line-height:1}.search-box input{border:0;outline:0;width:100%;font-size:14px;color:var(--ink)}.search-box input::placeholder{color:#8595a8}.result-count{font-size:14px;color:var(--muted)}.filter-list{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0 32px}.filter{background:#fff;color:#40546b;border:1px solid #d5e0eb;padding:8px 12px;border-radius:4px;font-size:12px;font-weight:800}.filter:hover,.filter.active{background:var(--navy);border-color:var(--navy);color:#fff}.filter span{opacity:.65;margin-left:4px}.catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.empty-state{padding:60px 20px;text-align:center;background:var(--pale);color:var(--muted);font-weight:700}
.product-detail{padding-top:36px;padding-bottom:105px}.product-detail .breadcrumbs{color:var(--muted);margin-bottom:35px}.detail-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px}.detail-gallery{background:#f5f8fb;border:1px solid var(--line);min-height:480px;padding:30px;display:flex;align-items:center;justify-content:center;gap:15px;flex-wrap:wrap}.detail-gallery img{max-height:415px;max-width:100%;object-fit:contain}.detail-gallery img:not(:first-child){max-height:175px}.detail-intro{padding-top:15px}.detail-topline{display:flex;align-items:center;gap:16px}.category-tag{background:#e9f2fc;color:var(--blue);font-size:12px;font-weight:800;padding:8px 10px;border-radius:4px}.sku{font-size:13px;color:var(--muted);font-weight:700}.detail-intro h1{font-size:clamp(31px,3.8vw,50px);line-height:1.15;letter-spacing:-.05em;margin:26px 0 12px}.english-title{font-size:15px;color:var(--muted);font-weight:600;line-height:1.6;margin-bottom:29px}.detail-description{font-size:16px;line-height:1.8;color:#40556e;margin-bottom:25px}.detail-actions{display:flex;flex-wrap:wrap;gap:10px}.detail-small{font-size:13px;color:var(--muted);margin-top:18px}.review-note{border-left:3px solid #df9b32;background:#fff7e8;padding:13px 15px;margin-bottom:22px;font-size:13px;line-height:1.6;color:#6e4d17}.detail-lower{display:grid;grid-template-columns:.65fr 1.35fr;gap:70px;margin-top:90px;padding-top:55px;border-top:1px solid var(--line)}.detail-lower h2{font-size:26px;margin-bottom:22px}.source-text{font-family:'DM Sans',Arial,sans-serif;white-space:pre-line;line-height:1.75;font-size:14px;color:#40546b;background:#f7f9fc;border:1px solid var(--line);padding:22px;border-radius:6px;overflow-wrap:anywhere}
.request-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;padding-top:50px;padding-bottom:100px}.request-items{margin-bottom:22px}.request-item{display:grid;grid-template-columns:72px 1fr auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.request-item img{width:72px;height:72px;object-fit:contain;background:#f7f9fb;border:1px solid var(--line)}.request-item strong{display:block;font-size:15px;line-height:1.4}.request-item small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.request-item-controls{display:flex;gap:8px;align-items:center}.request-item-controls input{width:58px;padding:8px;border:1px solid #cbd8e5;border-radius:4px;text-align:center}.request-item-controls button{border:0;background:transparent;color:#a54242;text-decoration:underline;font-size:12px}.request-empty{background:var(--pale);padding:35px;border:1px solid var(--line);color:var(--muted);line-height:1.6}.request-form{padding:29px;background:var(--pale);border:1px solid var(--line);align-self:start}.request-form h2{font-size:24px;letter-spacing:-.03em}.request-form>p{color:var(--muted);font-size:14px;line-height:1.6}.request-form label{display:block;font-size:13px;font-weight:800;margin:18px 0}.request-form input,.request-form textarea,.request-result textarea{display:block;width:100%;border:1px solid #cbd8e5;background:#fff;border-radius:4px;padding:12px;margin-top:8px;color:var(--ink)}.request-form textarea{resize:vertical}.request-form .button-primary{width:100%}.form-note{font-size:12px!important;margin-top:15px}.request-result{margin-top:25px;padding-top:20px;border-top:1px solid #d2deea}.request-result strong{font-size:15px}.request-result textarea{font-size:12px;line-height:1.5;resize:vertical}.request-actions{display:flex;gap:8px;margin-top:13px}.request-actions button{flex:1}.request-actions .button-secondary{min-height:44px}
.site-footer{background:#06182c;color:#b5c8da;padding-top:58px}.footer-grid{display:grid;grid-template-columns:1.6fr .7fr 1fr;gap:60px;padding-bottom:54px}.footer-brand{color:#fff;font-weight:800;letter-spacing:.08em;font-size:15px}.site-footer p{font-size:13px;line-height:1.8;margin:15px 0 0;max-width:440px}.site-footer strong{display:block;color:#fff;font-size:14px;margin-bottom:15px}.site-footer a{display:block;font-size:13px;margin-top:11px}.site-footer a:hover{color:#fff}.footer-bottom{border-top:1px solid #23415f;padding:20px 0;font-size:12px}.toast{position:fixed;bottom:23px;right:23px;z-index:40;background:var(--navy);color:#fff;padding:13px 17px;border-radius:5px;box-shadow:0 10px 30px #071d3640;font-size:13px;font-weight:700}.product-card[hidden],.empty-state[hidden],.request-result[hidden]{display:none}.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}
@media(max-width:1050px){.nav{gap:17px}.hero-grid{grid-template-columns:1fr .8fr}.hero-copy{padding-right:20px}.hero-proof{gap:16px}.category-grid,.product-grid,.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-grid{gap:35px}.detail-lower{gap:35px}}
@media(max-width:780px){.wrap{width:min(100% - 32px,640px)}.header-inner{height:auto;min-height:70px;flex-wrap:wrap;gap:12px;padding:12px 0}.nav{order:3;width:100%;overflow-x:auto;margin:0;padding:6px 0 3px;gap:22px;white-space:nowrap}.cart-link{margin-left:auto}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:60px 0}.hero-visual{margin:0 -16px;min-height:370px}.hero-visual img{max-height:280px;width:70%}.hero-proof{margin-top:45px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-grid,.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.company,.detail-grid,.detail-lower,.request-layout{grid-template-columns:1fr;gap:30px}.detail-gallery{min-height:320px}.detail-lower{margin-top:50px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.brand-word{font-size:12px}.brand-mark{width:37px;height:37px}.cart-link{padding:8px 10px}.hero h1{font-size:40px}.hero-copy>p{font-size:15px}.hero-actions{width:100%}.hero-actions a{flex:1}.hero-proof{gap:10px}.hero-proof strong{font-size:16px}.hero-proof span{font-size:11px}.section{padding:65px 0}.section-head{align-items:start}.category-grid,.product-grid,.catalog-grid{grid-template-columns:1fr}.category-tile{min-height:150px}.page-hero{padding-bottom:42px}.page-title-row{display:block}.pdf-link{display:inline-block;margin-top:25px}.catalog-toolbar{align-items:start;flex-direction:column}.search-box{width:100%}.result-count{align-self:flex-end}.detail-intro h1{font-size:33px}.detail-gallery{padding:20px}.request-item{grid-template-columns:56px 1fr;gap:12px}.request-item img{width:56px;height:56px}.request-item-controls{grid-column:2}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.request-actions{flex-direction:column}}

/* Product specifications follow the source catalog's clear row rhythm. */
.detail-lower{display:block;max-width:1020px;margin:82px auto 0;padding-top:0;border-top:0}
.detail-section+.detail-section{margin-top:46px}
.detail-lower h2{color:var(--blue);font-size:clamp(24px,2.6vw,32px);margin:9px 0 18px}
.detail-table{margin:0;border-top:1px solid var(--line)}
.detail-row{display:grid;grid-template-columns:minmax(210px,29%) 1fr;gap:24px;padding:13px 12px;border-bottom:1px solid var(--line);font-size:16px;line-height:1.55;align-items:start}
.detail-row dt,.spec-label{margin:0;color:#637489;font-weight:700}
.detail-row dd,.spec-value{margin:0;color:var(--ink);overflow-wrap:anywhere}
.spec-rows{border-top:1px solid var(--line)}
.spec-bullet{display:grid;grid-template-columns:18px 1fr;gap:6px;padding:12px;border-bottom:1px solid var(--line);font-size:16px;line-height:1.55;color:var(--ink)}
.spec-bullet>span:first-child{font-size:20px;line-height:1.15;color:var(--blue)}
.spec-subheading{margin:0;padding:24px 12px 10px;border-bottom:1px solid var(--line);font-size:17px;color:var(--blue);line-height:1.4}
@media(max-width:640px){.detail-lower{margin-top:55px}.detail-row{grid-template-columns:1fr;gap:4px;padding:13px 3px}.detail-row dt,.spec-label{font-size:14px}.spec-bullet{padding:12px 3px}.spec-subheading{padding-left:3px}}

.card-actions .add-button{display:inline-flex;align-items:center;justify-content:center;text-align:center}
.request-selection h2{font-size:24px;letter-spacing:-.03em;margin:0 0 18px}
.request-selection>.text-link{display:inline-block;margin-top:22px}
.request-selected{display:flex;gap:20px;align-items:center;background:#f7f9fc;border:1px solid var(--line);padding:20px}
.request-selected img{width:130px;height:130px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.request-selected small,.request-selected strong,.request-selected a{display:block}
.request-selected small{font-size:12px;color:var(--blue);font-weight:800;margin-bottom:8px}
.request-selected strong{font-size:19px;line-height:1.4}
.request-selected a{color:var(--blue);font-size:13px;font-weight:800;margin-top:15px}
.request-form select{display:block;width:100%;border:1px solid #cbd8e5;background:#fff;border-radius:4px;padding:12px;margin-top:8px;color:var(--ink)}
@media(max-width:520px){.request-selected{align-items:flex-start}.request-selected img{width:82px;height:82px}.request-selected strong{font-size:16px}}

.header-inner{gap:24px}
.lang-switch{display:flex;align-items:center;gap:5px;white-space:nowrap;font-size:12px;font-weight:800;color:#8b9caf}
.lang-link{padding:8px 4px;color:#64768a}
.lang-link:hover,.lang-link.selected{color:var(--blue)}
.lang-link.selected{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
@media(max-width:900px){.header-inner{gap:14px}.nav{gap:14px}}
@media(max-width:780px){.lang-switch{margin-left:auto}.cart-link{margin-left:0}}
@media(max-width:520px){.header-inner{gap:10px}.lang-switch{font-size:11px}.cart-link{font-size:11px;padding:8px}.brand-word{font-size:11px}.nav{gap:18px}}

/* Keep the monogram inside its square at every header width. */
.brand-mark{flex:0 0 42px;display:flex;align-items:center;justify-content:center;overflow:hidden;white-space:nowrap;box-sizing:border-box;font-size:13px;letter-spacing:0;line-height:1}
.brand-mark span{font-size:16px;margin:0 1px;line-height:1}
@media(max-width:520px){.brand-mark{flex-basis:37px}}
html[lang="zh-CN"]{font-family:Manrope,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{letter-spacing:0}