/* Taiwan Fasteners — industrial editorial design, no external font requests. */
:root{--tf-ink:#17314f;--tf-muted:#60718a;--tf-blue:#245da3;--tf-paper:#f4f7fb;--tf-line:#d8e1ec;--tf-accent:#83acd9;--tf-white:#fff;--tf-red:#ac4a35}
html{scroll-behavior:smooth;scroll-padding-top:100px}.tfi{margin:0;background:var(--tf-paper);color:var(--tf-ink);font-family:Arial,"Noto Sans",sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}.tfi *{box-sizing:border-box}.tfi a{color:inherit;text-decoration:none}.tfi button,.tfi input,.tfi select{font:inherit}.tfi button,.tfi select{cursor:pointer}.tfi button{color:inherit}.tfi a:focus-visible,.tfi button:focus-visible,.tfi input:focus-visible,.tfi select:focus-visible,.tfi summary:focus-visible{outline:3px solid #4a86ce;outline-offset:4px}.tfi p,.tfi h1,.tfi h2,.tfi h3{margin:0}.tfi [hidden]{display:none!important}.wrap,.header-inner{width:min(1240px,calc(100% - 96px));margin-inline:auto}.skip-link{position:fixed;top:-100px;left:20px;z-index:10000;padding:12px 24px;background:white}.skip-link:focus{top:12px}.site-header{height:97px;border-bottom:1px solid var(--tf-line);background:var(--tf-paper)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:11px;font-size:13px;font-weight:800;letter-spacing:2.4px;line-height:1.35}.brand-second{display:block;letter-spacing:1px}.brand-dot{color:var(--tf-blue)}.brand-symbol{font-size:49px;line-height:1;font-weight:400;position:relative}.brand-symbol i{width:12px;height:12px;border:3px solid var(--tf-blue);border-radius:50%;position:absolute;top:19px;left:15px}.site-header nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:600}.site-header nav>a{padding:10px 0}.site-header nav>a[aria-current]{color:var(--tf-blue);border-bottom:2px solid var(--tf-blue)}.site-header nav .nav-cta{padding:11px 19px;border:1px solid var(--tf-ink);border-radius:4px}.nav-cta span{margin-left:14px}.nav-toggle{display:none}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;padding-block:66px 56px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:700;display:flex;gap:13px;align-items:center}.status-dot{display:inline-block;width:7px;height:7px;background:var(--tf-blue);border-radius:50%;box-shadow:0 0 0 4px #dde2e9}.hero h1,.directory-hero h1{font-size:clamp(42px,4.15vw,61px);line-height:1.13;letter-spacing:-2.8px;margin:22px 0}.tfi h1 em{font-family:Georgia,serif;font-weight:400;color:var(--tf-blue);letter-spacing:-2px}.hero-description{max-width:500px;color:var(--tf-muted);font-size:15px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;border:1px solid transparent;border-radius:4px;padding:13px 20px;font-size:13px;font-weight:600;transition:background .18s,transform 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var(--tf-line);background:var(--tf-white);border-radius:5px;overflow:hidden}.metric{padding:25px 25px 23px;position:relative}.metric+.metric{border-left:1px solid var(--tf-line)}.metric p{display:flex;justify-content:space-between;gap:6px;font-size:11px;color:var(--tf-muted)}.metric p>span{font-size:9px;letter-spacing:.6px}.metric strong{font-size:38px;line-height:1.5;font-weight:500;letter-spacing:-1.8px;display:block;margin:7px 0 4px}.metric strong small{font-size:13px;font-weight:400;letter-spacing:0;margin-left:7px;color:var(--tf-muted)}.metric>div{font-size:10px;color:var(--tf-muted)}.negative{color:var(--tf-red)}.positive{color:var(--tf-blue)}.metric>div .negative{font-weight:700;margin-right:4px}.scope-note{font-size:10px;color:var(--tf-muted);padding:12px 0 0}.scope-note a{text-decoration:underline;text-underline-offset:3px;margin-left:7px}.section-nav{display:flex;gap:40px;border-bottom:1px solid #ccd1d7;padding-block:29px 17px;margin-top:22px;font-size:10px;color:#787e86}.section-nav a{display:flex;gap:10px}.section-nav span{font-size:12px;color:var(--tf-ink)}.section-nav a:hover span{color:var(--tf-blue)}.data-section{padding-top:62px}.section-heading{margin-bottom:26px}.section-heading .eyebrow{color:var(--tf-blue);font-size:9px}.eyebrow>span:not(.status-dot){color:#7e848c}.section-heading h2{font-size:29px;font-weight:500;line-height:1.3;letter-spacing:-.9px;margin:10px 0 7px}.section-heading>div>p:last-child{font-size:12px;color:var(--tf-muted);max-width:780px}.trade-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:24px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}.panel{border:1px solid var(--tf-line);border-radius:5px;background:var(--tf-white);padding:26px;min-width:0}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;margin-bottom:20px}.panel h3{font-size:16px;font-weight:600;letter-spacing:-.3px;line-height:1.4}.panel-heading p{font-size:11px;color:var(--tf-muted);margin-top:4px}.tag{font-size:8px;letter-spacing:.7px;background:#edf0f4;border:1px solid #dfe3e9;padding:5px 8px;white-space:nowrap;border-radius:3px}.chart{position:relative;min-width:0}.chart.tall{height:290px}.chart.donut{height:205px;max-width:280px;margin:0 auto 16px}.chart.ranking{height:360px}.chart.world-chart{height:319px}.chart.revenue-chart{height:310px;margin:12px 0 30px}.panel-foot{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:10px;color:var(--tf-muted);padding-top:17px;margin-top:15px;border-top:1px solid #e9ecf0}.download-link{background:none;border:0;padding:2px 0;color:var(--tf-blue)!important;white-space:nowrap;font-size:10px!important;font-weight:600;letter-spacing:.2px}.download-link:hover{text-decoration:underline}.tfi details{font-size:11px;margin-top:14px;color:var(--tf-muted)}.tfi summary{cursor:pointer;width:fit-content}.tfi details[open]>summary{margin-bottom:12px}.table-scroll{overflow:auto}.tfi table{border-collapse:collapse;width:100%;font-size:11px;white-space:nowrap}.tfi caption{text-align:left;font-size:11px;margin:12px 0;color:var(--tf-muted)}.tfi th,.tfi td{padding:11px 12px;border-bottom:1px solid #e9ecf0;text-align:right;font-weight:400}.tfi th:first-child,.tfi td:first-child{text-align:left}.tfi thead th{background:#f0f3f6;color:var(--tf-muted);font-size:10px;font-weight:500}.tfi tbody th{color:var(--tf-ink);font-weight:500}.tfi tr.highlight{background:#edf0f4}.product-legend{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;font-size:10px;margin-block:20px}.product-legend>div{display:flex;gap:7px;align-items:baseline}.product-legend i{width:7px;height:7px;border-radius:2px;flex-shrink:0}.product-legend b{font-weight:500;white-space:nowrap;margin-left:auto}.product-legend span{line-height:1.45}.panel-caption{font-size:10px;line-height:1.7;color:var(--tf-muted);margin-top:17px!important}.section-controls{display:flex;justify-content:space-between;align-items:flex-end;gap:25px}.select-label{display:flex;flex-direction:column;gap:6px;font-size:10px;color:var(--tf-muted);font-weight:500;margin-bottom:27px;white-space:nowrap}.select-label select{color:var(--tf-ink);font-size:12px;border:1px solid #cbd0d6;background:#fff;padding:9px 34px 9px 12px;border-radius:4px;min-width:130px}.segmented{display:flex;width:fit-content;background:#edf0f3;border-radius:4px;padding:3px;margin-bottom:12px}.segmented button{border:0;background:transparent;padding:5px 12px;border-radius:3px;font-size:10px}.segmented button[aria-pressed=true]{background:var(--tf-blue);color:white;box-shadow:0 1px 3px #11233b1a}.company-code{font-size:10px;color:var(--tf-muted);margin-right:6px;display:inline-block;min-width:30px}.company-zh{margin-left:7px;color:var(--tf-muted)}.directory-banner{background:#1c2f49;border-radius:5px;color:#e9edf3;margin-top:58px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:35px}.directory-banner .eyebrow{font-size:9px;color:#bcc4cf}.directory-banner h2{font-family:Georgia,serif;font-weight:400;font-size:32px;letter-spacing:-.6px;line-height:1.2;margin:12px 0 8px}.directory-banner p:not(.eyebrow){color:#c9cfd7;font-size:12px}.directory-banner .button{flex-shrink:0}.sources-section{padding-bottom:15px}.sources-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;border-top:1px solid #ccd1d7;padding-top:24px}.source-number{font-size:10px;color:#7e8690}.sources-grid h3{font-size:14px;font-weight:600;margin:8px 0 12px}.sources-grid p{font-size:11px;color:var(--tf-muted);line-height:1.9;margin-bottom:9px}.sources-grid a{display:block;font-size:11px;color:var(--tf-blue);margin-top:8px}.sources-grid a:hover{text-decoration:underline}.method-details{border-top:1px solid var(--tf-line);padding-top:18px;margin-top:30px!important}.method-details p{max-width:1000px;margin-top:12px;line-height:1.9}.site-footer{border-top:1px solid var(--tf-line);padding-top:32px;margin-top:50px;padding-bottom:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px}.footer-brand{font-size:12px;font-weight:800;letter-spacing:1.1px}.footer-brand span{color:var(--tf-blue)}.site-footer p{font-size:10px;color:var(--tf-muted);margin-top:5px}.site-footer>div:nth-child(2){display:flex;gap:26px;align-items:center;font-size:11px}.site-footer .copyright{flex-basis:100%;border-top:1px solid #dfe3e8;padding-top:20px;font-size:9px}.directory-hero{padding-block:55px 45px}.directory-hero h1{margin:20px 0}.directory-intro{display:flex;align-items:center;justify-content:space-between;gap:30px}.directory-intro p{max-width:540px;color:var(--tf-muted);font-size:15px}.directory-toolbar{display:flex;gap:24px;padding:25px;background:#e4e8ee;border:1px solid var(--tf-line);border-radius:5px;align-items:end}.search-label{flex:1;display:flex;flex-direction:column;gap:7px;font-size:11px;color:var(--tf-muted)}.search-label input{border:1px solid #cbd0d6;border-radius:4px;padding:13px 14px;background:white;width:100%;color:var(--tf-ink);font-size:13px;min-height:48px}.directory-toolbar .select-label{margin:0;min-width:240px;font-size:11px}.directory-toolbar select{padding-block:13px;min-height:48px}.directory-meta{display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--tf-muted);margin:25px 0 18px}.directory-meta p{color:var(--tf-ink);font-weight:600;font-size:12px}.company-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.company-card{padding:27px;background:#fff;border:1px solid var(--tf-line);border-radius:5px;display:flex;flex-direction:column;transition:border-color .18s,box-shadow .18s;min-width:0}.company-card:hover{border-color:#a2acb8;box-shadow:0 8px 24px #17314f08}.company-card-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}.company-monogram{display:flex;align-items:center;justify-content:center;width:45px;height:45px;background:#e6eaf0;color:var(--tf-blue);border-radius:4px;font-family:Georgia,serif;font-size:18px}.company-location{font-size:10px;color:var(--tf-muted);text-align:right}.company-card h2{font-size:18px;font-weight:500;line-height:1.45;letter-spacing:-.3px;overflow-wrap:anywhere;min-height:52px}.company-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:15px}.company-tags>span{font-size:9px;border:1px solid #dfe3e9;border-radius:3px;background:#f2f5f8;color:#5c6570;padding:3px 7px}.company-description{font-size:11px;color:var(--tf-muted);line-height:1.85;margin:18px 0!important}.company-card details{margin:0 0 18px;font-size:11px}.company-card details p{margin-top:9px;line-height:1.8;overflow-wrap:anywhere}.company-links{margin-top:auto;border-top:1px solid #e9ecf0;padding-top:17px;display:flex;flex-wrap:wrap;gap:14px;font-size:10px}.company-links a{color:var(--tf-blue);font-weight:600}.company-links a:hover{text-decoration:underline}.company-links span{color:var(--tf-muted)}.directory-disclaimer{font-size:11px;color:var(--tf-muted);margin-top:25px!important;max-width:850px}.empty-state{text-align:center;padding:60px 20px}.empty-state h2{font-size:24px;font-weight:500}.empty-state p{margin:12px 0 24px;color:var(--tf-muted)}
@media(min-width:1600px){.hero{padding-block:78px 64px}.hero h1{font-size:62px}}
@media(max-width:1100px){.wrap,.header-inner{width:calc(100% - 56px)}.hero{gap:32px}.hero h1{font-size:46px}.site-header nav{gap:18px}.metric{padding:20px 17px}.metric strong{font-size:33px}.metric p{font-size:10px}.metric>div{font-size:9px}.tag{display:none}.panel{padding:22px}.product-legend{grid-template-columns:1fr}.company-grid{gap:16px}.company-card{padding:22px}.directory-banner h2{font-size:27px}}
@media(max-width:800px){.site-header{height:80px}.brand{font-size:11px}.site-header nav{gap:14px;font-size:11px}.site-header nav .nav-cta{padding:8px 10px}.hero{grid-template-columns:1fr 1fr;gap:25px;padding-block:42px}.hero h1{font-size:36px;letter-spacing:-1.5px}.hero h1 em{letter-spacing:-1.5px}.eyebrow{font-size:8px;letter-spacing:1px}.hero-description{font-size:12px}.hero-actions{gap:16px}.hero-actions .button{padding:11px 13px;gap:13px;font-size:11px}.text-link{font-size:11px}.edition{font-size:8px;letter-spacing:.4px}.edition span{font-size:9px}.art-top,.art-bottom{font-size:7px;padding:17px}.metrics{grid-template-columns:repeat(2,1fr)}.metric{padding:22px}.metric:nth-child(3){border-left:0}.metric:nth-child(n+3){border-top:1px solid var(--tf-line)}.metric p{font-size:11px}.metric strong{font-size:38px}.metric>div{font-size:10px}.section-nav{gap:24px;justify-content:space-between}.section-nav a{gap:5px}.section-nav span{font-size:10px}.section-heading h2{font-size:25px}.trade-grid{grid-template-columns:1fr}.product-panel{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.product-panel .panel-heading{grid-column:1/-1}.product-panel .chart.donut{width:100%;grid-row:2/4;margin:0}.product-panel .product-legend{margin:8px 0}.product-panel details{grid-column:1/-1}.product-panel .panel-caption{grid-column:1/-1}.two-col{grid-template-columns:1fr;gap:20px}.chart.world-chart{height:360px}.section-controls{gap:20px}.select-label{flex-shrink:0}.section-heading>div>p:last-child{font-size:11px}.sources-grid{gap:25px}.directory-banner{padding:30px;align-items:flex-start;flex-direction:column;gap:22px}.directory-banner h2{font-size:30px}.company-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.directory-toolbar .select-label{min-width:190px}}
@media(max-width:600px){html{scroll-padding-top:20px}.wrap,.header-inner{width:calc(100% - 36px)}.site-header{height:76px}.header-inner{position:relative}.nav-toggle{display:flex;gap:12px;align-items:center;border:1px solid #ccd1d7;border-radius:3px;background:transparent;font-size:11px;padding:8px 11px}.site-header nav{display:none;position:absolute;top:69px;left:0;right:0;z-index:100;background:var(--tf-paper);padding:15px;border:1px solid var(--tf-line);box-shadow:0 10px 20px #17314f12;align-items:stretch;font-size:13px;flex-direction:column;gap:3px}.site-header nav.open{display:flex}.site-header nav>a{padding:10px}.site-header nav .nav-cta{margin-top:8px;padding:10px}.brand-symbol{font-size:43px}.brand-symbol i{top:17px;left:13px;width:11px;height:11px}.brand{gap:8px}.hero{display:flex;flex-direction:column;align-items:stretch;gap:30px;padding-block:36px}.hero h1{font-size:42px;line-height:1.1;letter-spacing:-1.8px;margin-block:20px}.hero h1 em{letter-spacing:-1.7px}.hero-description{font-size:13px;line-height:1.85;max-width:380px}.eyebrow{font-size:8px;letter-spacing:1.1px;gap:9px}.hero-actions{gap:25px;margin-top:24px}.hero-actions .button{font-size:12px;padding:12px 18px;gap:24px}.text-link{font-size:12px}.edition{margin-top:25px!important;font-size:8px;letter-spacing:.9px}.edition span{font-size:9px}.hero-art svg{max-height:242px}.art-top,.art-bottom{padding:16px 21px;font-size:8px}.metric{padding:20px 15px}.metric p{font-size:9px;display:block}.metric p>span{display:block;margin-top:3px;font-size:8px}.metric strong{font-size:30px;letter-spacing:-1.2px}.metric strong small{font-size:10px;margin-left:4px}.metric>div{font-size:9px;line-height:1.7}.scope-note{font-size:9px;line-height:1.8}.section-nav{display:grid;grid-template-columns:1fr 1fr;gap:13px 15px;padding-block:18px;margin-top:18px}.section-nav a{gap:9px}.section-nav span{font-size:11px}.data-section{padding-top:40px}.section-heading{margin-bottom:20px}.section-heading h2{font-size:26px;line-height:1.25;max-width:330px;margin-top:10px}.section-heading>div>p:last-child{font-size:11px;line-height:1.8}.panel{padding:20px 16px}.panel h3{font-size:15px}.panel-heading p{font-size:10px}.panel-heading{margin-bottom:18px}.chart.tall{height:255px}.chart.ranking,.chart.world-chart{height:335px}.chart.revenue-chart{height:330px}.panel-foot{font-size:9px}.download-link{font-size:9px!important}.panel-caption{font-size:9px}.product-panel{display:block}.product-panel .chart.donut{height:190px;max-width:230px;margin:0 auto 20px}.product-legend{grid-template-columns:1fr 1fr!important;gap:12px 18px;margin-block:20px!important}.product-legend>div{font-size:9px}.section-controls{display:block}.select-label{width:fit-content;margin:0 0 17px}.select-label select{font-size:11px;min-width:150px}.section-controls .section-heading{margin-bottom:15px}.tfi table{font-size:10px}.tfi th,.tfi td{padding:10px}.company-zh{display:block;margin-left:36px;font-size:9px}.directory-banner{padding:26px;margin-top:38px}.directory-banner h2{font-size:29px}.directory-banner p:not(.eyebrow){font-size:11px}.sources-grid{grid-template-columns:1fr;gap:27px}.sources-grid article+article{border-top:1px solid var(--tf-line);padding-top:22px}.sources-grid h3{font-size:15px;margin-top:5px}.sources-grid p{font-size:11px}.sources-grid a{font-size:11px}.site-footer{margin-top:36px;padding-top:26px;gap:22px}.site-footer>div:nth-child(2){gap:20px;font-size:10px}.site-footer .copyright{font-size:8px;line-height:1.9;padding-top:16px}.directory-hero{padding-block:37px 30px}.directory-hero h1{font-size:45px;letter-spacing:-1.8px}.directory-intro{display:block}.directory-intro p{font-size:13px}.directory-intro .button{margin-top:23px}.directory-toolbar{padding:18px;display:block}.search-label{font-size:10px}.search-label input{font-size:12px}.directory-toolbar .select-label{margin-top:14px;width:100%;font-size:10px}.directory-toolbar select{font-size:12px}.directory-meta{display:block;font-size:9px;margin-block:19px 16px}.directory-meta p{margin-bottom:5px}.company-grid{grid-template-columns:1fr;gap:17px}.company-card{padding:24px}.company-card h2{min-height:0;font-size:20px}.company-card-top{margin-bottom:18px}.company-description{font-size:12px}.company-tags>span{font-size:10px}.company-links{font-size:11px}.company-location{font-size:11px}.directory-disclaimer{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tfi *{transition:none!important;animation:none!important}}
@media print{.site-header,.hero-art,.section-nav,.download-link,.directory-banner,.site-footer,.nav-toggle{display:none!important}.wrap{width:100%}.hero{display:block;padding:20px 0}.panel,.metric,.company-card{break-inside:avoid}.chart{max-height:240px}.data-section{padding-top:25px}.tfi details{display:block}.tfi{background:white}a[href^="http"]:after{content:" (" attr(href) ")";font-size:9px;overflow-wrap:anywhere}}
/* 1.1 — comfortable reading sizes, editable page modules and scroll narrative. */
.tfi{font-size:17px}.tfi .elementor-section .elementor-container{max-width:none}.tfi .elementor-column-gap-default>.elementor-column>.elementor-element-populated{padding:0}.tfi .elementor-widget:not(:last-child){margin-bottom:0}.tfi .elementor-widget-container{min-width:0}.tfi .site-header nav{font-size:15px;gap:26px}.tfi .eyebrow{font-size:12px;letter-spacing:1.5px}.tfi .hero-description{font-size:18px;line-height:1.85}.tfi .button,.tfi .text-link{font-size:15px}.tfi .button{padding:15px 23px}.tfi .edition{font-size:11px}.tfi .edition span{font-size:12px}.tfi .metric{padding:26px 23px}.tfi .metric p{font-size:13px;line-height:1.5}.tfi .metric p>span{font-size:11px}.tfi .metric strong{font-size:43px}.tfi .metric strong small{font-size:14px}.tfi .metric>div{font-size:12px;line-height:1.7}.tfi .scope-note{font-size:13px;line-height:1.8}.tfi .section-nav{font-size:12px;gap:30px}.tfi .section-nav span{font-size:15px}.tfi .section-heading .eyebrow{font-size:12px}.tfi .section-heading h2{font-size:36px;line-height:1.25}.tfi .section-heading>div>p:last-child{font-size:16px;line-height:1.8;margin-top:12px}.tfi .panel{padding:28px}.tfi .panel h3{font-size:21px}.tfi .panel-heading p{font-size:14px;line-height:1.7;margin-top:7px}.tfi .tag{font-size:11px}.tfi .chart.tall{height:330px}.tfi .chart.ranking{height:420px}.tfi .chart.world-chart{height:371px}.tfi .chart.revenue-chart{height:370px}.tfi .panel-foot{font-size:12px;align-items:start;line-height:1.7}.tfi .download-link{font-size:13px!important}.tfi details{font-size:14px}.tfi table{font-size:14px}.tfi caption{font-size:13px}.tfi thead th{font-size:12px}.tfi th,.tfi td{padding:13px}.tfi .product-legend{font-size:13px;gap:14px}.tfi .product-legend>div{font-size:13px}.tfi .panel-caption{font-size:13px;line-height:1.9}.tfi .select-label{font-size:13px}.tfi .select-label select{font-size:15px;padding-block:12px;min-width:150px}.tfi .segmented button{font-size:13px;padding:7px 15px}.tfi .company-code,.tfi .company-zh{font-size:12px}.tfi .directory-banner .eyebrow{font-size:12px}.tfi .directory-banner h2{font-size:37px}.tfi .directory-banner p:not(.eyebrow){font-size:16px;line-height:1.75}.tfi .sources-grid h3{font-size:19px}.tfi .sources-grid p{font-size:15px;line-height:1.8}.tfi .sources-grid a{font-size:14px}.tfi .source-number{font-size:13px}.tfi .footer-brand{font-size:15px}.tfi .site-footer p,.tfi .site-footer>div:nth-child(2){font-size:13px}.tfi .site-footer .copyright{font-size:12px}.tfi .directory-intro p{font-size:18px}.tfi .search-label,.tfi .directory-toolbar .select-label{font-size:14px}.tfi .search-label input,.tfi .directory-toolbar select{font-size:16px;min-height:54px}.tfi .directory-meta{font-size:13px;line-height:1.7}.tfi .directory-meta p{font-size:16px}.tfi .company-card h2{font-size:23px;min-height:66px}.tfi .company-location{font-size:13px}.tfi .company-tags>span{font-size:12px}.tfi .company-description{font-size:15px;line-height:1.85}.tfi .company-links{font-size:14px}.tfi .company-card details,.tfi .directory-disclaimer{font-size:14px}.tfi .company-monogram{width:52px;height:52px;font-size:23px}.tfi .company-card{padding:28px}.hero-story{position:relative;min-height:145vh}.tfi .hero-story .hero{position:sticky;top:20px;min-height:85vh;padding-block:55px 70px;gap:40px;grid-template-columns:1.02fr 1fr}.tfi .hero h1{font-size:clamp(48px,4.5vw,66px);letter-spacing:-2.8px}.hero-visual{border-radius:8px;overflow:hidden;background:#15253a;color:#d4d9e0;box-shadow:0 24px 50px #122b3114}.stage-label,.stage-caption{display:flex;justify-content:space-between;gap:16px;padding:22px 25px;font-size:11px;letter-spacing:1px}.stage-label{border-bottom:1px solid #d4dce616}.stage-caption{border-top:1px solid #d4dce616;letter-spacing:.1px;font-size:12px}.stage-progress,.stage-part-label{color:#92b2db}.fastener-stage{height:490px;position:relative;background:radial-gradient(ellipse at 50% 45%,#455263 0%,#202d3f 45%,#131d2b 100%);overflow:hidden}.fastener-stage canvas{display:block;width:100%;height:100%;position:absolute;inset:0;z-index:2;opacity:0;transition:opacity .5s}.stage-fallback{position:absolute;width:100%;height:100%;object-fit:cover;inset:0;transition:opacity .5s}.webgl-ready .stage-fallback{opacity:0}.webgl-ready canvas{opacity:1}.stage-grain{position:absolute;inset:0;pointer-events:none;z-index:3;background:linear-gradient(120deg,#b9d1f111,transparent 50%,#00000012);mix-blend-mode:soft-light}.scroll-hint{display:flex;gap:13px;align-items:center;font-size:12px;color:var(--tf-muted);margin-top:33px}.scroll-hint>span{font-size:21px}.scroll-story-footer{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-end;gap:30px;padding-block:25px 35px;border-top:1px solid var(--tf-line)}.scroll-story-footer p{font-size:26px;line-height:1.5}.scroll-story-footer em{font-family:Georgia,serif;color:var(--tf-blue)}.scroll-story-footer>span{font-size:11px;letter-spacing:1.5px;color:var(--tf-muted)}.hero-story+.metrics{margin-top:50px}.tfi-module[data-tfi-module=metrics]{padding-top:35px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.6,.2,1)}.reveal.is-visible{opacity:1;transform:none}.elementor-editor-active .reveal{opacity:1;transform:none}.about-hero{padding-block:75px 55px;display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}.about-hero h1{font-size:58px;letter-spacing:-2px;line-height:1.15;margin:25px 0}.about-hero .button{margin-top:30px}.about-image{margin:0;min-width:0}.about-image img{width:100%;height:470px;object-fit:cover;border-radius:6px;display:block}.about-image figcaption{font-size:13px;color:var(--tf-muted);margin-top:12px}.about-story .section-heading{max-width:740px}.about-prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.about-prose{font-size:17px;line-height:1.9;color:var(--tf-muted)}.about-prose p{margin-bottom:18px}.about-prose h3{font-size:24px;color:var(--tf-ink);line-height:1.4;margin-bottom:17px;font-weight:500}.about-prose a{color:var(--tf-blue);text-decoration:underline;text-underline-offset:3px}.timeline{margin-top:38px;max-width:1040px}.timeline-event{display:grid;grid-template-columns:185px 1fr;gap:50px;border-top:1px solid var(--tf-line);padding:35px 0}.timeline-date>span{display:block;font-size:40px;font-family:Georgia,serif;color:var(--tf-blue);line-height:1.3}.timeline-date time{font-size:12px;color:var(--tf-muted);letter-spacing:1px}.timeline-event h3{font-size:23px;line-height:1.5;margin-bottom:10px;font-weight:500}.timeline-event p{font-size:17px;line-height:1.85;color:var(--tf-muted)}.about-contact-grid{border-top:1px solid var(--tf-line);margin-top:32px}.tfi .about-topic{margin:0;border-bottom:1px solid var(--tf-line)}.tfi .about-topic summary{display:flex;justify-content:space-between;gap:25px;width:100%;padding:26px 0;font-size:22px;color:var(--tf-ink);list-style:none}.about-topic summary::-webkit-details-marker{display:none}.about-topic summary>span{font-weight:300;font-size:26px}.about-topic[open] summary>span{transform:rotate(45deg)}.about-topic .about-prose{padding-bottom:25px;max-width:1000px}.tfi .about-topic table{white-space:normal;min-width:650px}.tfi .about-topic td{text-align:left;vertical-align:top}
@media(max-width:1100px){.tfi .hero-story .hero{gap:28px;grid-template-columns:1fr 1fr}.tfi .hero h1{font-size:49px}.fastener-stage{height:430px}.stage-label,.stage-caption{font-size:10px;padding:18px}.tfi .site-header nav{font-size:13px;gap:17px}.tfi .metric p{display:block}.tfi .metric p>span{display:block}.tfi .metric strong{font-size:37px}.tfi .panel{padding:24px}.about-hero{gap:35px}.about-hero h1{font-size:47px}.about-prose-grid{gap:40px}.tfi .section-heading h2{font-size:31px}.tfi .company-card{padding:23px}}
@media(max-width:800px){.tfi .hero-story .hero{grid-template-columns:1fr;position:static;padding-block:40px;gap:30px;min-height:0}.hero-story{min-height:0}.hero-copy{max-width:640px}.tfi .hero h1{font-size:55px}.hero-visual{max-width:620px;width:100%}.fastener-stage{height:460px}.scroll-story-footer{position:static;padding-top:25px;margin-top:8px;padding-bottom:25px}.scroll-story-footer p{font-size:24px}.scroll-story-footer>span{display:none}.scroll-hint{display:none}.tfi .section-nav{gap:15px}.tfi .section-nav span{font-size:13px}.tfi .section-heading>div>p:last-child{font-size:15px}.tfi .chart.world-chart{height:420px}.tfi .product-legend{font-size:13px}.tfi .sources-grid{grid-template-columns:1fr}.about-hero{grid-template-columns:1fr;padding-block:45px;gap:35px}.about-hero h1{font-size:55px}.about-image img{height:380px}.about-prose-grid{gap:30px}.tfi .company-card h2{font-size:22px}.timeline-event{gap:30px;grid-template-columns:140px 1fr}.tfi .directory-meta span{font-size:12px}}
@media(max-width:600px){.tfi{font-size:16px}.tfi .site-header nav{font-size:16px}.tfi .nav-toggle{font-size:14px;padding:10px 12px}.tfi .hero-story .hero{padding-block:33px 20px}.tfi .hero h1{font-size:46px;letter-spacing:-1.8px;line-height:1.12}.tfi .hero h1 em{letter-spacing:-1.4px}.tfi .hero-description{font-size:17px;line-height:1.8}.tfi .eyebrow{font-size:11px;letter-spacing:1px}.tfi .hero-actions{gap:19px;flex-wrap:wrap}.tfi .hero-actions .button,.tfi .text-link{font-size:14px}.tfi .edition{font-size:10px}.tfi .edition span{font-size:11px}.fastener-stage{height:390px}.stage-label{font-size:9px;padding:17px 16px;gap:8px}.stage-caption{font-size:11px;padding:17px 16px;flex-wrap:wrap;gap:5px}.scroll-story-footer p{font-size:21px}.tfi-module[data-tfi-module=metrics]{padding-top:22px}.tfi .metric{padding:20px 14px}.tfi .metric p{font-size:12px}.tfi .metric p>span{font-size:10px}.tfi .metric strong{font-size:34px;line-height:1.4}.tfi .metric strong small{font-size:11px;display:inline-block}.tfi .metric>div{font-size:12px;line-height:1.7}.tfi .scope-note{font-size:12px}.tfi .section-nav span{font-size:13px}.tfi .section-nav{font-size:11px}.tfi .section-heading h2{font-size:31px;max-width:none}.tfi .section-heading .eyebrow{font-size:11px}.tfi .section-heading>div>p:last-child{font-size:16px;line-height:1.8}.tfi .panel{padding:22px 17px}.tfi .panel h3{font-size:20px}.tfi .panel-heading p{font-size:13px}.tfi .chart.tall{height:280px}.tfi .chart.ranking,.tfi .chart.world-chart{height:440px}.tfi .chart.revenue-chart{height:450px}.tfi .panel-foot{font-size:12px;flex-wrap:wrap}.tfi .download-link{font-size:13px!important}.tfi .panel-caption{font-size:13px}.tfi .product-legend>div{font-size:12px}.tfi .select-label{font-size:13px}.tfi .select-label select{font-size:15px}.tfi table{font-size:13px}.tfi .company-zh{font-size:11px}.tfi th,.tfi td{padding:11px}.tfi .directory-banner{padding:27px}.tfi .directory-banner h2{font-size:33px}.tfi .directory-banner p:not(.eyebrow){font-size:16px}.tfi .directory-banner .eyebrow{font-size:11px}.tfi .sources-grid h3{font-size:20px}.tfi .sources-grid p{font-size:16px}.tfi .sources-grid a{font-size:14px}.tfi .site-footer>div:nth-child(2){font-size:13px;flex-wrap:wrap;gap:13px 20px}.tfi .site-footer p{font-size:13px}.tfi .site-footer .copyright{font-size:11px}.tfi .directory-hero h1{font-size:45px}.tfi .directory-intro p{font-size:17px}.tfi .search-label,.tfi .directory-toolbar .select-label{font-size:13px}.tfi .search-label input,.tfi .directory-toolbar select{font-size:16px}.tfi .directory-meta{font-size:12px}.tfi .company-card{padding:25px}.tfi .company-card h2{font-size:24px;min-height:0}.tfi .company-description{font-size:16px}.tfi .company-tags>span{font-size:12px}.tfi .company-links{font-size:15px}.tfi .company-location{font-size:13px}.tfi .directory-disclaimer{font-size:14px}.about-hero h1{font-size:44px;letter-spacing:-1.8px}.about-image img{height:320px}.about-image figcaption{font-size:12px}.about-prose-grid{grid-template-columns:1fr;gap:20px}.about-prose{font-size:17px}.timeline-event{grid-template-columns:1fr;gap:18px;padding-block:28px}.timeline-date{display:flex;align-items:center;gap:18px}.timeline-date>span{font-size:36px}.timeline-event h3{font-size:23px}.timeline-event p{font-size:16px}.tfi .about-topic summary{font-size:21px}}
@media(prefers-reduced-motion:reduce){.hero-story{min-height:0}.tfi .hero-story .hero{position:static;min-height:0}.scroll-story-footer{position:static}.scroll-hint{display:none}.reveal{opacity:1;transform:none}.fastener-stage canvas{display:none}.stage-fallback{opacity:1!important}}
.profile-hero{padding-block:40px 50px}.back-link{font-size:14px;color:var(--tf-blue)!important;display:inline-block;margin-bottom:38px}.profile-heading{display:flex;justify-content:space-between;gap:40px;align-items:center}.profile-heading h1{font-size:clamp(38px,4vw,59px);line-height:1.15;letter-spacing:-1.8px;margin:19px 0;max-width:900px;overflow-wrap:anywhere}.profile-heading .company-tags>span{font-size:14px;padding:6px 12px}.profile-mark{width:120px;height:120px;background:#e1e6ed;border:1px solid #d7dde5;border-radius:6px;color:var(--tf-blue);display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:42px;flex-shrink:0}.profile-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:55px;padding-bottom:35px;align-items:start}.profile-section{border-top:1px solid var(--tf-line);padding:31px 0 25px}.profile-section h2,.profile-contact h2{font-size:30px;font-weight:500;margin:11px 0 22px;letter-spacing:-.6px}.profile-facts{margin:0}.profile-facts>div{display:grid;grid-template-columns:190px 1fr;gap:25px;border-bottom:1px solid #e0e4e9;padding:16px 0;font-size:16px;line-height:1.8}.profile-facts dt{color:var(--tf-muted)}.profile-facts dd{margin:0}.profile-muted{font-size:14px;color:var(--tf-muted);line-height:1.8;margin-top:19px!important}.profile-contact{padding:32px;background:#fff;border:1px solid var(--tf-line);border-radius:6px;position:sticky;top:28px}.profile-contact .button{width:100%;padding-inline:14px;font-size:14px;margin-bottom:13px}.contact-item{padding-top:21px;font-size:16px;line-height:1.8;overflow-wrap:anywhere}.contact-item>span{display:block;font-size:12px;color:var(--tf-muted);margin-bottom:4px;letter-spacing:.4px}.contact-item a{color:var(--tf-blue)}.profile-list-cta{margin-top:28px;padding-top:24px;border-top:1px solid var(--tf-line);font-size:14px}.profile-list-cta p{color:var(--tf-muted);margin-bottom:8px}.profile-list-cta a{color:var(--tf-blue);font-weight:600}.profile-cover{margin:0 0 30px}.profile-cover img{width:100%;height:auto;border-radius:6px}.company-intro p{margin-top:12px}
@media(max-width:800px){.profile-layout{gap:25px;grid-template-columns:1.5fr 1fr}.profile-contact{padding:24px}.profile-facts>div{grid-template-columns:1fr;gap:5px}.profile-mark{width:85px;height:85px;font-size:30px}.profile-heading{gap:20px}.profile-contact .button{white-space:normal}}
@media(max-width:600px){.profile-hero{padding-block:28px 36px}.back-link{margin-bottom:30px}.profile-heading{align-items:flex-start}.profile-heading h1{font-size:35px;letter-spacing:-1.2px}.profile-mark{display:none}.profile-heading .company-tags>span{font-size:12px}.profile-layout{grid-template-columns:1fr;gap:20px}.profile-contact{position:static;grid-row:1;padding:27px}.profile-section h2,.profile-contact h2{font-size:29px}.profile-facts>div{font-size:16px}.profile-contact .button{font-size:15px}}
/* Immersive product story: three deliberate scroll chapters. */
.hero-story{min-height:230vh;background:radial-gradient(ellipse at 76% 44%,#254d77 0%,#143861 38%,#0c2242 85%);color:#f5f8fc;overflow:clip}.tfi .hero-story .hero{top:0;min-height:100vh;padding-block:55px;gap:26px;grid-template-columns:1.04fr 1fr}.tfi .hero-story h1{font-size:clamp(52px,4.8vw,71px);letter-spacing:-2.8px;line-height:1.09}.tfi .hero-story h1 em{color:#a7cff5}.tfi .hero-story .eyebrow{color:#c7d9ee}.hero-story .status-dot{background:#a7cff5;box-shadow:0 0 0 4px #a7cff516}.tfi .hero-story .hero-description{color:#cad9ec;font-size:18px;max-width:530px;min-height:100px}.tfi .hero-story .button.primary{background:#edf4fc;color:#17375d}.tfi .hero-story .text-link{color:#eff6fd}.hero-story .edition,.hero-story .edition span,.hero-story .scroll-hint{color:#bfd2e9}.hero-story .edition span{border-color:#6587af}.hero-story .hero-visual{background:transparent;box-shadow:none;border-radius:0;overflow:visible}.hero-story .fastener-stage{height:min(64vh,640px);min-height:490px;background:transparent;overflow:visible}.hero-story .stage-fallback{border-radius:5px;object-fit:cover}.hero-story .stage-label,.hero-story .stage-caption{border:0;padding:16px 5px;font-size:12px;line-height:1.7}.hero-story .stage-label{letter-spacing:1.2px;color:#bfd2e9}.hero-story .stage-caption{color:#bfd2e9}.hero-story .stage-part-label{max-width:250px;text-align:right;color:#a7cff5}.hero-story .stage-orbit{position:absolute;width:82%;aspect-ratio:1;left:9%;top:15%;border:1px solid #c3cddb10;border-radius:50%;transform:rotateX(60deg) rotateZ(-20deg);pointer-events:none}.hero-story .stage-grain{display:none}.hero-story .scroll-story-footer{display:none}.part-label{position:absolute;z-index:4;font-size:11px;letter-spacing:1px;color:#a7cff5;pointer-events:none;opacity:0;transition:opacity .5s,transform .5s;line-height:1.8}.part-label::before{content:'';display:inline-block;width:24px;height:1px;background:#a7cff577;vertical-align:middle;margin-right:10px}.label-bolt{left:0;top:25%}.label-washer{right:0;top:62%}.label-nut{right:0;top:81%}.fastener-stage[data-scene="2"] .part-label{opacity:1}.fastener-stage[data-scene="2"] .label-bolt{transform:translateX(8px)}.fastener-stage[data-scene="2"] .label-nut,.fastener-stage[data-scene="2"] .label-washer{transform:translateX(-8px)}.scene-enter .scene-heading,.scene-enter .scene-highlight,.scene-enter .hero-description{animation:scene-appear .6s ease both}@keyframes scene-appear{from{opacity:.2;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1100px){.tfi .hero-story h1{font-size:53px}.hero-story .fastener-stage{min-height:460px}.hero-story .stage-label,.hero-story .stage-caption{font-size:11px}.hero-story .stage-part-label{max-width:180px}.part-label{font-size:10px}.part-label::before{width:14px}}
@media(max-width:800px){.hero-story{min-height:0}.tfi .hero-story .hero{position:static;grid-template-columns:1fr;padding-block:45px;min-height:0}.tfi .hero-story h1{font-size:56px}.hero-story .hero-visual{max-width:620px}.hero-story .fastener-stage{height:530px;min-height:0}.hero-story .hero-description{min-height:0!important}.hero-story .stage-caption{font-size:12px}.hero-story .stage-label{font-size:11px}.hero-story .stage-part-label{max-width:240px}.part-label{font-size:11px}.hero-story .edition{margin-top:27px!important}}
@media(max-width:600px){.tfi .hero-story .hero{padding-block:35px 26px;gap:25px}.tfi .hero-story h1{font-size:47px;letter-spacing:-1.8px}.tfi .hero-story .hero-description{font-size:17px}.hero-story .fastener-stage{height:420px}.hero-story .stage-label{font-size:9px;letter-spacing:.9px;gap:8px}.hero-story .stage-caption{font-size:11px;gap:10px}.hero-story .stage-part-label{max-width:180px}.part-label{font-size:9px}.part-label::before{width:11px;margin-right:5px}.label-bolt{left:-4px}.label-washer,.label-nut{right:-4px}}
@media(prefers-reduced-motion:reduce){.hero-story{min-height:0}.tfi .hero-story .hero{position:static;min-height:0}.hero-story .stage-orbit,.part-label{display:none}.hero-story .fastener-stage{overflow:hidden}.hero-story .stage-fallback{opacity:1!important}.scene-enter *{animation:none!important}}
.tfi .hero-story h1{color:#f5f8fc}.tfi-edit-mode .hero-story{min-height:0}.tfi.tfi-edit-mode .hero-story .hero{position:static;min-height:0}.tfi-edit-mode .fastener-canvas,.tfi-edit-mode .part-label,.tfi-edit-mode .stage-orbit{display:none}.tfi-edit-mode .stage-fallback{opacity:1}.tfi-edit-mode .reveal{opacity:1;transform:none}

/* Keep the keyboard skip link hidden during scrolled full-page rendering. */
.skip-link:not(:focus){clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}
/* Original project introduction, preserved with its author's signature and date. */
.tfi .founder-note{display:grid;grid-template-columns:260px minmax(0,1fr);gap:60px;padding-block:54px 60px;margin-top:26px;border-block:1px solid var(--tf-line)}
.tfi .founder-note h2{font-size:34px;line-height:1.2;letter-spacing:-1px;margin:18px 0 30px;font-weight:500}
.tfi .founder-signature{display:flex;flex-direction:column;gap:5px}.tfi .founder-signature strong{font-size:17px;font-weight:600}.tfi .founder-signature time{font-size:14px;color:var(--tf-muted)}
.tfi .founder-message blockquote{margin:0 0 24px;padding:0;border:0;font-size:18px;line-height:1.95;color:var(--tf-muted);font-style:normal}
.tfi .founder-message blockquote p{margin:0}.tfi .founder-message .text-link{color:var(--tf-blue);font-weight:600}
@media(max-width:800px){.tfi .founder-note{grid-template-columns:1fr;gap:25px;padding-block:35px}.tfi .founder-note h2{margin:16px 0 22px}.tfi .founder-message blockquote{font-size:17px;line-height:1.9}}