/* TRD-03 远航贸易 — import / export house. Libre Caslon Text + Noto Serif SC, navy, ivory, brass hairlines. */
.tpl-trd-03{
  --gut:clamp(20px,5vw,80px);--max:1200px;--pad-x:max(var(--gut),calc((100% - var(--max))/2));
  --serif:"Libre Caslon Text","Noto Serif SC",Georgia,serif;
  --sans:"Noto Sans SC",system-ui,sans-serif;
  --brass:color-mix(in srgb,var(--line),var(--fg) 22%);
  --dock-bg:var(--fg);--dock-fg:var(--bg);
  font-family:var(--sans);font-size:16.5px;line-height:1.8;
}
.tpl-trd-03 main{overflow-x:clip}
.tpl-trd-03 h1,.tpl-trd-03 h2,.tpl-trd-03 h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em}
:lang(zh-Hans) .tpl-trd-03 h1,:lang(zh-Hans) .tpl-trd-03 h2,:lang(zh-Hans) .tpl-trd-03 h3{font-weight:500;letter-spacing:.04em}
.tpl-trd-03 ::selection{background:var(--soft);color:var(--fg)}
.x3-sec{padding:clamp(84px,10vw,152px) var(--pad-x) 0}

/* header: letterhead */
.x3-top{display:flex;flex-direction:column;align-items:center;gap:2px;padding:22px var(--pad-x) 0;text-align:center}
.x3-brand{display:inline-flex;align-items:center;min-height:44px;font-family:var(--serif);font-size:clamp(20px,2vw,24px);letter-spacing:.06em;text-decoration:none}
.x3-nav{display:flex;flex-wrap:wrap;justify-content:center;width:100%;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:12px;padding:2px 0;box-shadow:0 3px 0 -2px var(--line),0 -3px 0 -2px var(--line)}
.x3-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 clamp(12px,1.8vw,22px);font-size:14px;letter-spacing:.14em;color:var(--muted);text-decoration:none;transition:color .2s}
.x3-nav a:hover{color:var(--fg)}

/* buttons */
.x3-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px 28px;margin-top:36px}
.x3-btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:12px 34px;background:var(--accent);color:var(--on-accent);font-size:15.5px;letter-spacing:.12em;text-decoration:none;text-align:center;outline:1px solid var(--accent);outline-offset:4px;transition:outline-offset .25s}
.x3-btn:hover{outline-offset:7px}
.x3-link{display:inline-flex;align-items:center;min-height:44px;font-family:var(--serif);font-style:italic;font-size:17px;color:var(--fg);text-decoration:underline;text-decoration-color:var(--brass);text-underline-offset:6px}
:lang(zh-Hans) .x3-link{font-style:normal}

/* hero */
.x3-main>.x3-hero{display:flex;flex-direction:column;align-items:center;text-align:center;padding:clamp(64px,9vw,128px) var(--pad-x) 0}
.x3-eyebrow{display:flex;align-items:center;gap:16px;margin:0 0 30px;font-size:12.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted)}
.x3-eyebrow::before,.x3-eyebrow::after{content:"";width:7px;height:7px;transform:rotate(45deg);border:1px solid var(--brass)}
.x3-hero h1{font-size:clamp(40px,6vw,88px);line-height:1.1;max-width:14em}
:lang(zh-Hans) .x3-hero h1{font-size:clamp(34px,5vw,74px);line-height:1.35}
.x3-sub{margin-top:28px;max-width:32em;font-size:clamp(16.5px,1.3vw,18.5px);color:var(--muted)}
.x3-sub p:last-child{margin:0}
.x3-hero-ph{width:100%;margin:clamp(56px,7vw,96px) 0 0;padding:clamp(8px,1vw,14px);border:1px solid var(--line)}
.x3-hero-ph img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* kickers + heads */
.x3-k{display:flex;align-items:center;gap:14px;margin:0 0 20px;font-size:12.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.x3-k::before{content:"";width:36px;height:1px;background:var(--brass)}
.x3-main h2{font-size:clamp(30px,3.8vw,52px);line-height:1.2}
:lang(zh-Hans) .x3-main h2{line-height:1.42}
.x3-head{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:44rem;margin:0 auto clamp(44px,5.5vw,76px)}
.x3-head .x3-k::after{content:"";width:36px;height:1px;background:var(--brass)}
.x3-intro{margin-top:18px;color:var(--muted);max-width:32em}
.x3-intro p:last-child{margin:0}

/* about */
.x3-about{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px clamp(48px,8vw,128px);align-items:center}
.x3-about--text{grid-template-columns:minmax(0,1fr);max-width:calc(46rem + 2 * var(--pad-x));margin-inline:auto}
.x3-about-ph{position:relative;margin:0 0 18px 0;max-width:440px}
.x3-about-ph::before{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--brass);pointer-events:none}
.x3-about-ph img{position:relative;width:100%;aspect-ratio:4/5;object-fit:cover}
.x3-steps{margin-top:clamp(28px,3vw,44px);border-top:1px solid var(--line)}
.x3-steps li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line)}
.x3-rn{font-family:var(--serif);font-style:italic;font-size:22px;color:var(--brass)}
.x3-steps p{margin:0;font-family:var(--serif);font-size:clamp(18px,1.6vw,22px);line-height:1.55}
:lang(zh-Hans) .x3-steps p{font-size:clamp(17px,1.45vw,20px)}
.x3-about-body{margin-top:24px;font-size:18px;color:var(--muted);max-width:32em}

/* services: inverted ledger */
.x3-main>.x3-services{margin-top:clamp(84px,10vw,152px);padding:clamp(80px,10vw,140px) var(--pad-x);background:var(--fg);color:var(--bg)}
.x3-head--inv .x3-k,.x3-services .x3-intro{color:color-mix(in srgb,var(--bg) 74%,var(--fg))}
.x3-ledger{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(40px,6vw,96px);border-top:1px solid var(--line)}
.x3-ledger li{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:clamp(26px,3vw,38px) 0;border-bottom:1px solid var(--line)}
.x3-ledger-n{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--line);filter:saturate(1.4) brightness(1.2)}
.x3-ledger h3{font-size:clamp(21px,1.9vw,27px);line-height:1.35;margin-bottom:8px}
.x3-ledger-d{color:color-mix(in srgb,var(--bg) 74%,var(--fg));font-size:15.5px}
.x3-ledger-d p{margin:0}
.x3-price{margin:10px 0 0;font-family:var(--serif)}
.x3-ask{display:inline-flex;align-items:center;min-height:44px;margin-top:8px;font-size:14px;letter-spacing:.12em;color:var(--bg);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:6px}

/* gallery: staggered plates */
.x3-plates{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(40px,5vw,72px) clamp(28px,5vw,80px);align-items:start}
.x3-plate{margin:0}
.x3-plate:nth-child(even){margin-top:clamp(60px,9vw,140px)}
.x3-plate-ph{overflow:hidden}
.x3-plate img{width:100%;aspect-ratio:4/5;object-fit:cover}
.x3-plate:nth-child(4n+1) img,.x3-plate:nth-child(4n) img{aspect-ratio:5/4}
.x3-plate figcaption{display:flex;gap:14px;align-items:baseline;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:15px}
.x3-plate figcaption span{font-family:var(--serif);font-style:italic;color:var(--brass);flex:none}

/* testimonials */
.x3-quote-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:40px;text-align:center}
.x3-quote-list blockquote{font-family:var(--serif);font-size:clamp(19px,1.6vw,23px);line-height:1.6}
.x3-quote-list blockquote p:last-child{margin:0}
.x3-quote-list figcaption{margin-top:16px;font-size:14px;letter-spacing:.1em;color:var(--muted)}

/* faq */
.x3-faq-list{max-width:48rem;margin:0 auto;border-top:1px solid var(--line)}
.x3-faq-list details{border-bottom:1px solid var(--line)}
.x3-faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:76px;padding:18px 0;font-family:var(--serif);font-size:clamp(18px,1.5vw,21px);line-height:1.5}
.x3-faq-list summary::after{flex:none;margin:0;font-family:var(--serif);font-size:24px;color:var(--brass)}
.x3-faq-list details p{margin:0 0 24px;color:var(--muted);max-width:40em}

/* contact */
.x3-contact{padding-bottom:clamp(40px,5vw,72px)}
.x3-contact-in{display:flex;flex-direction:column;align-items:center;text-align:center;padding:clamp(56px,7vw,104px) clamp(20px,5vw,80px);border:1px solid var(--line);outline:1px solid var(--line);outline-offset:-10px;background:var(--soft)}
.x3-contact-in .x3-k::after{content:"";width:36px;height:1px;background:var(--brass)}
.x3-contact h2{font-size:clamp(32px,4.4vw,60px);max-width:16em}
.x3-contact-intro{margin:20px 0 34px;color:var(--muted);max-width:30em}
.x3-contact-intro p:last-child{margin:0}
.x3-contact-list{display:flex;flex-wrap:wrap;justify-content:center;gap:0;margin-top:clamp(40px,5vw,60px);border-top:1px solid var(--line);width:100%}
.x3-contact-list li{flex:1 1 200px;padding:20px 16px 0}
.x3-contact-list li+li{border-left:1px solid var(--line)}
.x3-contact-list .bc-k{letter-spacing:.24em;font-size:11.5px;color:var(--muted);opacity:1}
.x3-contact-list a{display:inline-flex;align-items:center;min-height:44px;font-family:var(--serif);font-size:18px;text-decoration:none}
.x3-social{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 22px;margin-top:16px}
.x3-social a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;letter-spacing:.12em}

/* footer */
.x3-foot{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:6px 28px;padding:20px var(--pad-x) 44px;font-size:13.5px;letter-spacing:.08em;color:var(--muted)}
.x3-foot-brand{font-family:var(--serif);color:var(--fg)}

@media (max-width:900px){
  .x3-about{grid-template-columns:minmax(0,1fr)}
  .x3-about-ph{max-width:min(360px,80%);margin-inline:auto 18px}
  .x3-ledger{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  .x3-top{padding-top:14px}
  .x3-nav{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;scrollbar-width:none}
  .x3-nav a{flex:none;padding:0 12px;letter-spacing:.08em}
  .x3-eyebrow{letter-spacing:.2em;font-size:12px}
  .x3-eyebrow::before,.x3-eyebrow::after{display:none}
  .x3-actions{width:100%}
  .x3-actions>.x3-btn{flex:1 1 100%}
  .x3-hero-ph{padding:6px}
  .x3-hero-ph img{aspect-ratio:4/3}
  .x3-ledger li{grid-template-columns:40px minmax(0,1fr);gap:10px}
  .x3-plates{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px 14px}
  .x3-plate:nth-child(4n+1),.x3-plate:nth-child(4n){grid-column:1/-1}
  .x3-plate:nth-child(even){margin-top:0}
  .x3-plate:nth-child(4n+3){margin-top:44px}
  .x3-plate figcaption{flex-direction:column;gap:2px;font-size:13.5px}
  .x3-contact{padding-inline:12px}
  .x3-contact-list{flex-direction:column}
  .x3-contact-list li+li{border-left:0;border-top:1px solid var(--line)}
  .x3-contact-list li{padding:14px 0 8px;flex:none}
}