@font-face{font-family:BarlowSemi;src:url("./fonts/BarlowSemiCondensed-SemiBold.ttf") format("truetype");font-weight:600 700;font-style:normal;font-display:swap}
/* Chuzhijiao industrial tooling: graphite, steel blue and restrained safety orange. */
:root{--ink:#202b36;--muted:#526171;--navy:#1c2936;--steel:#30485c;--paper:#f2f4f6;--line:#ced5dc;--accent:#d88732;--white:#fff;--font-body:"Microsoft YaHei","PingFang SC",Arial,sans-serif;--font-heading:BarlowSemi,"Microsoft YaHei",Arial,sans-serif}
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@media(max-width:1150px){.links{gap:13px;font-size:13px}.nav .wrap{gap:12px}.brand b{font-size:17px}.products{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid{gap:32px}.product-visual{height:235px}.knowledge-layout{grid-template-columns:190px 1fr}}
@media(max-width:1000px){.wrap{width:calc(100% - 40px)}.menu{display:block}.links{display:none;position:absolute;top:100%;left:0;right:0;padding:18px 24px;background:var(--navy);border-bottom:1px solid #738395;flex-direction:column;align-items:stretch;gap:0;max-height:70dvh;overflow:auto}.links.open{display:flex}.links a{padding:12px}.hero-grid{min-height:480px;gap:27px}.hero-visual{min-height:350px}.section-head{display:block}.section-head p{margin-top:18px;max-width:700px}.principle-grid,.official-videos{grid-template-columns:1fr;gap:26px}.knowledge-layout{grid-template-columns:1fr}.knowledge-aside{display:none}.application-grid,.steps{grid-template-columns:1fr 1fr}.newsgrid{grid-template-columns:1fr}.news{padding-bottom:16px}.contact-grid{gap:35px}.field-grid img{height:285px}.section{padding:62px 0}.scope{gap:18px}.scope b{font-size:14px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.nav,.topline,.actions,.back-top,.filters,.searchbar,form,footer,.official-videos{display:none!important}.section{padding:24px 0}.wrap{width:100%}.hero,.knowledge,.contact,.process{background:white;color:#111}.hero p,.knowledge p,.knowledge .eyebrow,.hero .eyebrow,.scope span{color:#333}.hero-grid{min-height:0;padding:20px 0}.hero-visual{height:240px;min-height:0}.products{grid-template-columns:repeat(2,1fr)}.product,.field-grid figure,.article{break-inside:avoid}a{color:#111}video{display:none}.knowledge-aside{display:none}.knowledge-layout{display:block}.articles{display:block}}

.brand img{filter:grayscale(1);background:#fff;border-radius:2px;padding:3px}.hero-visual .caption,.article-tip,.note{border-left-width:1px}.step small{font-family:var(--font-body)}h1,h2,h3{text-wrap:balance}input,textarea{caret-color:#9b5b1f}html{scrollbar-color:#718293 #e8edf1}dialog{scrollbar-color:#718293 #e8edf1}

@media(max-width:520px){.brand small{display:none}.brand b{font-size:14px;max-width:158px}html[lang=en] .brand b{font-size:12px;max-width:144px}.brand img{width:30px;height:30px}}@media print{h1 em{color:#111}.hero .caption{background:#fff;color:#111}.caption strong{color:#111}}

.product-visual img[src$="/fasteners.webp"]{height:100%;object-fit:cover;object-position:100% 50%}