/* PRO-04 衡正事务所 — chambers letterhead. Libre Caslon (+ Noto Serif SC) + Inter Tight. */
.tpl-pro-04{
  --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:"Inter Tight","Noto Sans SC",system-ui,sans-serif;
  --dock-bg:var(--accent);--dock-fg:var(--on-accent);
  font-family:var(--sans);font-size:16.5px;line-height:1.75;
}
.tpl-pro-04 main{overflow-x:clip}
.tpl-pro-04 h1,.tpl-pro-04 h2,.tpl-pro-04 h3{font-family:var(--serif);font-weight:400;letter-spacing:-.005em}
:lang(zh-Hans) .tpl-pro-04 h1,:lang(zh-Hans) .tpl-pro-04 h2,:lang(zh-Hans) .tpl-pro-04 h3{font-weight:500;letter-spacing:.03em}
.p4-main>section{padding:clamp(80px,9vw,140px) var(--pad-x)}

/* letterhead */
.p4-head{display:flex;flex-direction:column;align-items:center;gap:6px;padding:26px var(--pad-x) 0;text-align:center}
.p4-brand{display:inline-flex;align-items:center;min-height:44px;font-family:var(--serif);font-size:clamp(20px,2vw,25px);letter-spacing:.08em;text-decoration:none}
.p4-nav{display:flex;flex-wrap:wrap;justify-content:center;width:100%;border-top:1px solid var(--fg);border-bottom:1px solid var(--fg);box-shadow:0 -4px 0 -3px var(--fg),0 4px 0 -3px var(--fg);margin-top:8px;padding:2px 0}
.p4-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;font-size:12.5px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;text-decoration:none;color:var(--muted)}
.p4-nav a:hover{color:var(--fg)}

/* buttons */
.p4-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px 30px;margin-top:36px}
.p4-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:14.5px;font-weight:600;letter-spacing:.14em;text-decoration:none;text-align:center;transition:opacity .2s}
.p4-btn:hover{opacity:.88}
.p4-btn--inv{background:var(--on-accent);color:var(--accent)}
.p4-link{display:inline-flex;align-items:center;min-height:44px;font-size:14.5px;letter-spacing:.12em;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}

/* hero */
.p4-main>.p4-hero{text-align:center;padding-top:clamp(64px,8vw,120px);padding-bottom:clamp(60px,7vw,110px)}
.p4-eyebrow{margin:0 0 28px;font-size:12px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.p4-hero h1{font-size:clamp(36px,5vw,72px);line-height:1.22;max-width:16em;margin-inline:auto}
:lang(zh-Hans) .p4-hero h1{line-height:1.4}
.p4-sub{margin:28px auto 0;max-width:34em;color:var(--muted);font-size:clamp(16px,1.2vw,18px)}
.p4-sub p:last-child{margin:0}
.p4-plate{margin:clamp(56px,7vw,96px) 0 0;padding:clamp(8px,1vw,14px);border:1px solid var(--line)}
.p4-plate img{width:100%;aspect-ratio:21/9;object-fit:cover}

/* kicker + heads */
.p4-kicker{display:flex;align-items:baseline;gap:14px;margin:0 0 18px;font-size:12px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.p4-kicker span{font-family:var(--serif);font-size:16px;letter-spacing:0;color:var(--fg);font-weight:400}
.p4-main h2{font-size:clamp(30px,3.4vw,48px);line-height:1.3}
:lang(zh-Hans) .p4-main h2{line-height:1.45}
.p4-sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 64px;align-items:end;margin-bottom:clamp(40px,5vw,64px);padding-top:28px;border-top:1px solid var(--fg)}
.p4-sec-head .p4-kicker{grid-column:1/-1}
.p4-intro{color:var(--muted);max-width:30em}
.p4-intro p:last-child{margin:0}

/* about */
.p4-main>.p4-about{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:40px clamp(48px,8vw,140px);background:var(--soft)}
.p4-about-ph{margin:clamp(32px,4vw,56px) 0 0;max-width:320px}
.p4-about-ph img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(.15)}
.p4-about-main{align-self:end}
.p4-about-body{font-family:var(--serif);font-size:clamp(18px,1.5vw,21px);line-height:1.8}
.p4-clauses{border-top:1px solid var(--fg)}
.p4-clauses li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;align-items:baseline;padding:clamp(22px,2.4vw,32px) 0;border-bottom:1px solid var(--line)}
.p4-clause-n{font-family:var(--serif);font-style:italic;font-size:20px;color:var(--muted)}
.p4-clauses p{margin:0;font-family:var(--serif);font-size:clamp(18px,1.6vw,23px);line-height:1.55}

/* services index */
.p4-index{border-bottom:1px solid var(--fg)}
.p4-row{display:grid;grid-template-columns:56px minmax(0,.9fr) minmax(0,1.3fr) auto;gap:8px 32px;align-items:baseline;padding:clamp(24px,2.4vw,34px) 0;border-top:1px solid var(--line)}
.p4-row:first-child{border-top:0}
.p4-row-n{font-family:var(--serif);font-size:15px;color:var(--muted)}
.p4-row h3{font-size:clamp(20px,1.7vw,24px);line-height:1.4}
.p4-row-d{color:var(--muted);font-size:15.5px}
.p4-row-d p{margin:0}
.p4-price{margin-top:6px!important;font-family:var(--serif);color:var(--fg)}
.p4-ask{display:inline-flex;align-items:center;min-height:44px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--fg);text-decoration:none;white-space:nowrap;border-bottom:1px solid transparent}
.p4-ask:hover{border-color:currentColor}

/* gallery plates */
.p4-main>.p4-work{padding-top:0}
.p4-plates{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,4vw,56px) clamp(20px,3vw,40px)}
.p4-fig{margin:0}
.p4-fig-ph{overflow:hidden;padding:8px;border:1px solid var(--line)}
.p4-fig img{width:100%;aspect-ratio:3/2;object-fit:cover}
.p4-fig figcaption{display:flex;gap:16px;align-items:baseline;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:14.5px;color:var(--muted)}
.p4-fig figcaption span{font-family:var(--serif);font-style:italic;color:var(--fg)}

/* quotes */
.p4-main>.p4-quotes{padding-top:0}
.p4-quote-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px 48px}
.p4-quote-list blockquote{font-family:var(--serif);font-size:20px;line-height:1.6}
.p4-quote-list figcaption{margin-top:14px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* faq */
.p4-main>.p4-faq{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:36px clamp(48px,8vw,140px);padding-top:0}
.p4-faq-head{padding-top:28px;border-top:1px solid var(--fg);align-self:start}
.p4-faq-list{border-top:1px solid var(--fg)}
.p4-faq-list details{border-bottom:1px solid var(--line)}
.p4-faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:18px;min-height:70px;padding:18px 0;font-family:var(--serif);font-size:clamp(17.5px,1.4vw,20px);line-height:1.5}
.p4-faq-list summary::after{flex:none;margin:0;font-family:var(--sans);font-weight:300;font-size:24px}
.p4-faq-list details p{margin:0 0 22px;color:var(--muted);max-width:38em}

/* contact */
.p4-main>.p4-contact{background:var(--accent);color:var(--on-accent)}
.p4-contact-in{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px clamp(48px,8vw,140px);align-items:end}
.p4-contact .p4-kicker,.p4-contact .p4-kicker span{color:var(--on-accent)}
.p4-contact .p4-kicker{opacity:.85}
.p4-contact h2{font-size:clamp(34px,4.4vw,60px);margin-bottom:20px}
.p4-contact-intro{max-width:28em;opacity:.88;margin-bottom:32px}
.p4-contact-intro p:last-child{margin:0}
.p4-contact-list{border-top:1px solid var(--on-accent)}
.p4-contact-list li{padding:14px 0;border-bottom:1px solid color-mix(in srgb,var(--on-accent) 25%,transparent)}
.p4-contact-list .bc-k{font-size:11px;letter-spacing:.24em;opacity:.8}
.p4-contact-list a{display:inline-flex;align-items:center;min-height:44px;margin:-6px 0;font-family:var(--serif);font-size:19px;text-decoration:none}
.p4-contact-list span a{font-family:var(--sans);font-size:14px;text-decoration:underline}
.p4-social{display:flex;flex-wrap:wrap;gap:4px 22px;padding-top:8px}
.p4-social a{display:inline-flex;align-items:center;min-height:44px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none}

/* footer */
.p4-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px 24px;padding:26px var(--pad-x) 40px;font-size:13px;letter-spacing:.06em;color:var(--muted)}
.p4-foot-brand{font-family:var(--serif);color:var(--fg)}

@media (max-width:900px){
  .p4-main>.p4-about,.p4-main>.p4-faq,.p4-contact-in,.p4-sec-head{grid-template-columns:minmax(0,1fr)}
  .p4-sec-head .p4-intro{margin-top:16px}
  .p4-row{grid-template-columns:44px minmax(0,1fr) auto}
  .p4-row-d{grid-column:2/-1}
  .p4-ask{grid-column:3;grid-row:1}
  .p4-plate img{aspect-ratio:16/10}
}
@media (max-width:700px){
  .tpl-pro-04{font-size:16px}
  .p4-head{padding-top:14px}
  .p4-nav{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;scrollbar-width:none}
  .p4-nav a{flex:none;padding:0 12px;letter-spacing:.14em}
  .p4-hero h1{font-size:clamp(30px,8.6vw,40px)}
  .p4-actions>.p4-btn{flex:1 1 100%}
  .p4-main>.p4-hero{padding-inline:0}
  .p4-main>.p4-hero>:not(.p4-plate){margin-inline:var(--gut)}
  .p4-plate{border-inline:0;padding-inline:0}
  .p4-plate img{aspect-ratio:4/3}
  .p4-clauses li{grid-template-columns:44px minmax(0,1fr)}
  .p4-row{grid-template-columns:36px minmax(0,1fr)}
  .p4-row-d{grid-column:2}
  .p4-ask{grid-column:2;grid-row:auto;justify-self:start}
  .p4-plates{grid-template-columns:minmax(0,1fr)}
}