/* TRD-01 精工制造 — precision manufacturer. Inter Tight, steel blue on cool white. */
.tpl-trd-01{
  --gut:clamp(20px,5vw,80px);--max:1280px;--pad-x:max(var(--gut),calc((100% - var(--max))/2));
  --sans:"Inter Tight","Noto Sans SC",system-ui,sans-serif;
  --dock-bg:var(--fg);--dock-fg:var(--bg);
  font-family:var(--sans);font-size:16.5px;line-height:1.7;
}
.tpl-trd-01 main{overflow-x:clip}
.tpl-trd-01 h1,.tpl-trd-01 h2,.tpl-trd-01 h3{font-family:var(--sans);font-weight:600;letter-spacing:-.025em}
:lang(zh-Hans) .tpl-trd-01 h1,:lang(zh-Hans) .tpl-trd-01 h2,:lang(zh-Hans) .tpl-trd-01 h3{letter-spacing:0}
.tpl-trd-01 ::selection{background:var(--accent);color:var(--on-accent)}
.m1-sec{padding:clamp(80px,10vw,152px) var(--pad-x) 0}

/* header */
.m1-top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 28px;padding:16px var(--pad-x);border-bottom:1px solid var(--line)}
.m1-brand{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:17px;font-weight:700;letter-spacing:.02em;text-decoration:none}
.m1-brand:not(:has(img))::before{content:"";flex:none;width:18px;height:18px;background:linear-gradient(135deg,var(--accent) 50%,transparent 50%);box-shadow:inset 0 0 0 2px var(--accent)}
.m1-nav{display:flex;flex-wrap:wrap}
.m1-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:14.5px;font-weight:500;text-decoration:none;color:var(--muted);transition:color .2s}
.m1-nav a:hover{color:var(--accent)}

/* buttons */
.m1-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:12px 28px;background:var(--accent);color:var(--on-accent);font-weight:600;font-size:15.5px;letter-spacing:.01em;text-decoration:none;text-align:center;transition:background .2s,transform .2s}
.m1-btn::after{content:"→";transition:transform .2s}
.m1-btn:hover::after{transform:translateX(4px)}
.m1-btn--inv{background:var(--on-accent);color:var(--accent)}
.m1-link{display:inline-flex;align-items:center;gap:10px;min-height:54px;padding:0 4px;font-weight:600;font-size:15.5px;text-decoration:none;border-bottom:1.5px solid var(--line)}
.m1-link:hover{border-color:var(--accent);color:var(--accent)}

/* hero */
.m1-main>.m1-hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:32px clamp(40px,6vw,96px);align-items:end;padding:clamp(56px,8vw,120px) var(--pad-x) 0}
.m1-eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 28px;font-size:12.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.m1-eyebrow::before{content:"";width:28px;height:2px;background:currentColor}
.m1-hero h1{font-size:clamp(46px,7.4vw,112px);line-height:1;letter-spacing:-.045em;font-weight:600}
:lang(zh-Hans) .m1-hero h1{font-size:clamp(40px,6.2vw,92px);line-height:1.16;letter-spacing:-.01em}
.m1-hero-side{padding-bottom:8px}
.m1-sub{font-size:clamp(16.5px,1.3vw,18.5px);color:var(--muted);max-width:26em}
.m1-sub p:last-child{margin:0}
.m1-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:30px}
.m1-ruler{grid-column:1/-1;height:14px;margin-top:clamp(24px,4vw,48px);border-bottom:1px solid var(--fg);background:repeating-linear-gradient(90deg,var(--fg) 0 1px,transparent 1px 10px) bottom/100% 6px no-repeat,repeating-linear-gradient(90deg,var(--fg) 0 1px,transparent 1px 100px) bottom/100% 14px no-repeat;opacity:.5}
.m1-hero-media{grid-column:1/-1;position:relative;margin-top:clamp(20px,2.4vw,32px)}
.m1-hero-ph{margin:0;overflow:hidden;background:var(--soft)}
.m1-hero-ph img{width:100%;aspect-ratio:21/9;object-fit:cover;object-position:50% 55%}
.m1-plate{position:absolute;left:0;bottom:0;width:min(360px,40%);padding:26px 30px 22px;background:var(--bg);border-top:3px solid var(--accent)}
.m1-plate-k{margin:0 0 10px;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.m1-plate li{display:flex;gap:14px;align-items:baseline;padding:9px 0;border-top:1px solid var(--line);font-weight:500;font-size:15.5px}
.m1-plate li span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.m1-hero--text{grid-template-columns:minmax(0,1fr)!important}

/* section heads */
.m1-head{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;max-width:46rem;margin-bottom:clamp(40px,5vw,72px)}
.m1-k{display:flex;align-items:center;gap:12px;margin:0;font-size:12.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.m1-k::before{content:"";width:8px;height:8px;background:currentColor}
.m1-main h2{font-size:clamp(32px,4.2vw,60px);line-height:1.08;letter-spacing:-.035em}
:lang(zh-Hans) .m1-main h2{line-height:1.28;letter-spacing:0}
.m1-intro{color:var(--muted);font-size:17px;max-width:34em}
.m1-intro p:last-child{margin:0}

/* about: process */
.m1-about{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px clamp(48px,8vw,128px);align-items:start}
.m1-about-side{position:sticky;top:24px}
.m1-about-side .m1-head{margin-bottom:32px}
.m1-about-ph{margin:0;overflow:hidden;max-width:440px}
.m1-about-ph img{width:100%;aspect-ratio:4/3;object-fit:cover}
.m1-steps{counter-reset:s;border-top:1px solid var(--fg)}
.m1-steps li{display:grid;grid-template-columns:clamp(72px,9vw,128px) minmax(0,1fr);gap:24px;align-items:baseline;padding:clamp(26px,3vw,40px) 0;border-bottom:1px solid var(--line)}
.m1-step-n{font-size:clamp(44px,5.6vw,84px);font-weight:300;line-height:.9;letter-spacing:-.05em;color:var(--accent);font-variant-numeric:tabular-nums}
.m1-steps p{margin:0;font-size:clamp(18px,1.7vw,24px);font-weight:500;line-height:1.45;letter-spacing:-.01em}
.m1-about-body{font-size:clamp(18px,1.6vw,21px);line-height:1.7;max-width:32em}

/* services: capability grid */
.m1-main>.m1-services{background:var(--soft);padding-bottom:clamp(80px,10vw,152px);margin-top:clamp(80px,10vw,152px)}
.m1-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.m1-cell{position:relative;display:flex;flex-direction:column;padding:clamp(28px,3vw,44px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--soft);transition:background .3s}
.m1-cell::before{content:"";position:absolute;left:-1px;top:-1px;height:3px;width:0;background:var(--accent);transition:width .4s}
.m1-cell:hover{background:var(--bg)}
.m1-cell:hover::before{width:calc(100% + 2px)}
.m1-cell-n{font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.08em;margin-bottom:clamp(36px,5vw,72px)}
.m1-cell h3{font-size:clamp(21px,1.8vw,26px);line-height:1.3;margin-bottom:10px}
.m1-cell-d{color:var(--muted);font-size:15.5px}
.m1-cell-d p{margin:0}
.m1-price{margin:12px 0 0;font-weight:600}
.m1-ask{align-self:flex-start;display:inline-flex;align-items:center;min-height:44px;margin-top:auto;padding-top:18px;font-size:14.5px;font-weight:600;color:var(--accent);text-decoration:none}
.m1-ask:hover{text-decoration:underline}

/* gallery */
.m1-shots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,1.8vw,24px)}
.m1-shot{margin:0}
.m1-shot:nth-child(4n+1){grid-column:span 2;grid-row:span 2}
.m1-shot-ph{overflow:hidden;background:var(--soft)}
.m1-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.m1-shot:nth-child(4n+1) .m1-shot-ph{height:calc(100% - 44px)}
.m1-shot:nth-child(4n+1) img{height:100%;aspect-ratio:auto;min-height:320px}
.m1-shot:nth-child(4n+1){display:flex;flex-direction:column}
.m1-shot figcaption{display:flex;gap:12px;align-items:baseline;min-height:44px;padding-top:12px;font-size:14.5px;font-weight:500}
.m1-shot figcaption span{font-size:12px;color:var(--accent);font-weight:600}
.m1-shot:nth-child(4n){grid-column:span 3}
.m1-shot:nth-child(4n) img{aspect-ratio:21/8}

/* testimonials */
.m1-quote-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.m1-quote-list figure{padding:clamp(28px,3vw,40px);background:var(--bg)}
.m1-quote-list blockquote{font-size:clamp(18px,1.5vw,21px);line-height:1.6;font-weight:500}
.m1-quote-list blockquote p:last-child{margin:0}
.m1-quote-list figcaption{margin-top:18px;font-size:14px;font-weight:600;color:var(--accent)}
.m1-quote-list figcaption span{color:var(--muted);font-weight:400}

/* faq */
.m1-faq{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:24px clamp(48px,8vw,128px);align-items:start}
.m1-faq-list{border-top:1px solid var(--fg)}
.m1-faq-list details{border-bottom:1px solid var(--line)}
.m1-faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:76px;padding:18px 0;font-size:clamp(17px,1.4vw,19.5px);font-weight:600;line-height:1.45}
.m1-faq-list summary::after{flex:none;display:grid;place-items:center;width:36px;height:36px;margin:0;border:1px solid var(--line);color:var(--accent);font-size:20px;line-height:1}
.m1-faq-list details[open] summary::after{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.m1-faq-list details p{margin:0 0 24px;color:var(--muted);max-width:40em}

/* contact */
.m1-contact{padding:clamp(80px,10vw,152px) var(--pad-x) 0}
.m1-contact-in{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px clamp(40px,6vw,96px);align-items:end;padding:clamp(40px,6vw,88px);background:var(--accent);color:var(--on-accent);background-image:linear-gradient(90deg,color-mix(in srgb,var(--on-accent) 9%,transparent) 1px,transparent 1px);background-size:calc(100% / 12) 100%}
.m1-contact .m1-k{color:var(--on-accent)}
.m1-contact h2{font-size:clamp(34px,4.6vw,66px);margin:18px 0 20px}
.m1-contact-intro{font-size:17px;max-width:30em;margin-bottom:32px;opacity:.88}
.m1-contact-intro p:last-child{margin:0}
.m1-contact-list li{padding:14px 0;border-top:1px solid color-mix(in srgb,var(--on-accent) 26%,transparent)}
.m1-contact-list .bc-k{opacity:.75;font-size:11.5px;letter-spacing:.18em;margin-bottom:2px}
.m1-contact-list a{display:inline-flex;align-items:center;min-height:44px;margin:-6px 0;font-size:18px;font-weight:600;text-decoration:none}
.m1-contact-list span a{font-size:15px;text-decoration:underline}
.m1-social{display:flex;flex-wrap:wrap;gap:4px 18px;padding-top:8px;border-top:1px solid color-mix(in srgb,var(--on-accent) 26%,transparent)}
.m1-social a{display:inline-flex;align-items:center;min-height:44px;font-size:14.5px;font-weight:600}

/* footer */
.m1-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px 24px;padding:28px var(--pad-x) 40px;font-size:13.5px;color:var(--muted)}
.m1-foot-brand{font-weight:700;color:var(--fg);letter-spacing:.02em}

@media (max-width:1000px){
  .m1-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .m1-main>.m1-hero,.m1-about,.m1-faq,.m1-contact-in{grid-template-columns:minmax(0,1fr)}
  .m1-about-side{position:static}
  .m1-hero-ph img{aspect-ratio:4/3}
  .m1-plate{position:relative;width:auto;margin:0;border-top:3px solid var(--accent);padding:20px 0 0;background:none}
  .m1-plate ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
}
@media (max-width:760px){
  .m1-top{padding-block:10px 4px}
  .m1-nav{width:calc(100% + 16px);margin:0 -8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .m1-nav a{flex:none;padding:0 10px;font-size:14px}
  .m1-actions>.m1-btn{flex:1 1 100%}
  .m1-plate ul{grid-template-columns:minmax(0,1fr)}
  .m1-steps li{grid-template-columns:64px minmax(0,1fr);gap:14px}
  .m1-step-n{font-size:40px}
  .m1-grid{grid-template-columns:minmax(0,1fr)}
  .m1-cell-n{margin-bottom:24px}
  .m1-shots{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px 12px}
  .m1-shot:nth-child(n){grid-column:span 1;grid-row:auto}
  .m1-shot:nth-child(4n+1),.m1-shot:nth-child(4n){grid-column:1/-1}
  .m1-shot:nth-child(4n+1) .m1-shot-ph{height:auto}
  .m1-shot:nth-child(4n+1) img{aspect-ratio:4/3;min-height:0}
  .m1-shot img{aspect-ratio:4/5}
  .m1-shot:nth-child(4n) img{aspect-ratio:16/9}
  .m1-shot figcaption{font-size:13.5px}
  .m1-contact{padding-inline:0}
  .m1-contact-in{padding:48px 22px 28px}
}