/* PHO-04 白盒 — white box, black type, Swiss grid. Inter Tight. */
.tpl-pho-04{
  --gut:clamp(20px,4vw,64px);--max:1440px;
  --pad-x:max(var(--gut),calc((100% - var(--max))/2));
  --dock-bg:var(--fg);--dock-fg:var(--bg);
  font-family:"Inter Tight","Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.7;
}
.tpl-pho-04 main{overflow-x:clip}
.tpl-pho-04 main>section{padding:clamp(72px,9vw,140px) var(--pad-x)}
.tpl-pho-04 h1,.tpl-pho-04 h2,.tpl-pho-04 h3{font-weight:600;letter-spacing:-.035em}
.tpl-pho-04 h2{font-size:clamp(34px,4.6vw,72px);line-height:1}
:lang(zh-Hans) .tpl-pho-04 h1,:lang(zh-Hans) .tpl-pho-04 h2{letter-spacing:-.01em}
:lang(zh-Hans) .tpl-pho-04 h2{line-height:1.2}

/* header */
.p4-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 32px;padding:14px var(--pad-x);border-bottom:1px solid var(--fg)}
.p4-brand{display:flex;align-items:center;gap:10px;min-height:44px;font-weight:700;font-size:16px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none}
.p4-brand:not(:has(img))::before{content:"";width:12px;height:12px;background:var(--accent);flex:none}
.p4-nav{display:flex;flex-wrap:wrap;gap:0 28px;font-size:14px;font-weight:500}
.p4-nav a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}
.p4-nav a:hover{text-decoration:underline;text-underline-offset:5px}

/* hero */
.tpl-pho-04 main>.p4-hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:clamp(32px,4vw,64px);align-items:stretch;padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(56px,7vw,104px);border-bottom:1px solid var(--line)}
.tpl-pho-04 main>.p4-hero--text{grid-template-columns:minmax(0,1fr)}
.p4-hero-copy{display:flex;flex-direction:column;min-width:0}
.p4-eyebrow{margin:0 0 clamp(32px,5vw,72px);font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.p4-hero h1{font-size:clamp(54px,9.4vw,168px);line-height:.92;letter-spacing:-.055em}
:lang(zh-Hans) .p4-hero h1{font-size:clamp(46px,7.6vw,132px);line-height:1.08;letter-spacing:-.04em;font-weight:700}
.p4-hero-foot{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 40px;align-items:end;margin-top:auto;padding-top:clamp(40px,5vw,80px)}
.p4-sub{max-width:28em;font-size:clamp(16px,1.25vw,18px);color:var(--muted)}
.p4-sub p:last-child{margin:0}
.p4-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px}
.p4-btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 26px;background:var(--accent);color:var(--on-accent);font-weight:600;font-size:15px;text-decoration:none;transition:opacity .2s}
.p4-btn:hover{opacity:.86}
.p4-btn--inv{background:var(--bg);color:var(--fg)}
.p4-link{display:inline-flex;align-items:center;min-height:44px;font-weight:600;font-size:15px;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.p4-hero-media{position:relative;margin:14px 14px 14px 0;align-self:center}
.p4-hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover}
.p4-hero-media::before,.p4-hero-media::after{position:absolute;pointer-events:none}
.p4-hero-media::before,.p4-hero-media::after{content:"";width:28px;height:28px;border:0 solid var(--fg)}
.p4-hero-media::before{left:-14px;top:-14px;border-width:1px 0 0 1px}
.p4-hero-media::after{right:-14px;bottom:-14px;border-width:0 1px 1px 0}

/* section heads */
.p4-tag{display:flex;align-items:center;gap:12px;margin:0 0 20px;font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase}
.p4-tag span{display:grid;place-items:center;width:24px;height:24px;border:1px solid var(--fg);font-size:12px;letter-spacing:0}
.p4-sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 48px;align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.p4-sec-head .p4-tag{grid-column:1 / -1}
.p4-intro{color:var(--muted);max-width:30em;justify-self:end}
.p4-intro p:last-child{margin:0}

/* work wall */
.p4-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--fg);border-left:1px solid var(--line)}
.p4-wall figure{margin:0;padding:clamp(12px,1.4vw,20px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column}
.p4-ph{overflow:hidden;background:var(--soft)}
.p4-ph img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.p4-wall figure:hover .p4-ph img{transform:scale(1.04)}
.p4-wall figcaption{display:flex;gap:12px;margin-top:14px;font-size:13.5px;font-weight:500}
.p4-wall figcaption span{color:var(--accent);font-variant-numeric:tabular-nums}

/* services */
.tpl-pho-04 main>.p4-services{padding-top:0}
.p4-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(24px,3vw,48px)}
.p4-list li{display:flex;flex-direction:column;padding:24px 0 20px;border-top:1px solid var(--fg)}
.p4-n{font-size:clamp(40px,4vw,64px);font-weight:300;letter-spacing:-.05em;line-height:1;color:var(--accent);margin-bottom:28px}
.p4-list h3{font-size:clamp(20px,1.7vw,24px);line-height:1.3;margin-bottom:10px;letter-spacing:-.02em}
.p4-desc{color:var(--muted);font-size:15px}
.p4-desc p:last-child{margin:0}
.p4-price{margin:10px 0 0;font-weight:600}
.p4-ask{align-self:flex-start;display:inline-flex;align-items:center;min-height:44px;margin-top:auto;padding-top:10px;font-size:14px;font-weight:600;text-decoration:none}
.p4-ask:hover{text-decoration:underline;text-underline-offset:5px}

/* about */
.tpl-pho-04 main>.p4-about{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(36px,6vw,104px);align-items:end;background:var(--soft)}
.tpl-pho-04 main>.p4-about--text{grid-template-columns:minmax(0,900px)}
.p4-about h2{font-size:clamp(40px,6vw,96px);line-height:.98;letter-spacing:-.05em}
.p4-about-body{margin-top:clamp(28px,4vw,56px);max-width:32em;font-size:17px;column-gap:40px}
.p4-about-body p:last-child{margin:0}
.p4-about-media{margin:0}
.p4-about-media img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(1) contrast(1.05)}

/* testimonials */
.p4-quote-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:32px}
.p4-quote-list figure{padding-top:20px;border-top:1px solid var(--fg)}
.p4-quote-list blockquote{font-size:20px;line-height:1.5;letter-spacing:-.01em}
.p4-quote-list figcaption{margin-top:14px;font-size:13px;color:var(--muted)}

/* faq */
.p4-faq-list{border-top:1px solid var(--fg);max-width:none}
.p4-faq-list details{border-bottom:1px solid var(--line);display:grid}
.p4-faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:64px;padding:16px 0;font-size:clamp(18px,1.6vw,22px);font-weight:500;letter-spacing:-.01em}
.p4-faq-list summary::after{float:none;flex:none;font-weight:300;font-size:26px}
.p4-faq-list details p{margin:0 0 24px;color:var(--muted);max-width:40em}

/* contact */
.tpl-pho-04 main>.p4-contact{background:var(--fg);color:var(--bg)}
.p4-contact h2{font-size:clamp(48px,9vw,160px);line-height:.92;letter-spacing:-.055em;max-width:12ch}
:lang(zh-Hans) .p4-contact h2{font-size:clamp(40px,7vw,120px);line-height:1.1;letter-spacing:-.03em;max-width:none}
.p4-contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 64px;margin-top:clamp(40px,6vw,88px);padding-top:28px;border-top:1px solid color-mix(in srgb,var(--bg) 35%,transparent)}
.p4-contact-intro{max-width:28em;opacity:.8;margin-bottom:24px}
.p4-contact-intro p:last-child{margin:0}
.p4-contact-list li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;padding:12px 0;border-bottom:1px solid color-mix(in srgb,var(--bg) 20%,transparent)}
.p4-contact-list .bc-k{padding-top:2px}
.p4-contact-list a{display:inline-flex;align-items:center;min-height:44px;margin:-10px 0;text-decoration:none}
.p4-contact-list a:hover{text-decoration:underline}
.p4-social{display:flex;flex-wrap:wrap;gap:4px 24px;margin-top:16px;font-size:14px;font-weight:500}
.p4-social a{min-height:44px;display:inline-flex;align-items:center}

/* footer */
.p4-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding:20px var(--pad-x) 28px;font-size:13px;color:var(--muted)}
.p4-foot-brand{font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fg)}

@media (max-width:1000px){
  .p4-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .p4-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .tpl-pho-04 main>.p4-hero,.tpl-pho-04 main>.p4-about,.p4-sec-head,.p4-contact-grid{grid-template-columns:minmax(0,1fr)}
  .p4-hero-foot{grid-template-columns:minmax(0,1fr)}
  .p4-intro{justify-self:start}
  .p4-hero-media{margin:28px 14px 0}
  .p4-about-media{max-width:440px}
}
@media (max-width:560px){
  .p4-head{padding-top:8px;padding-bottom:8px}
  .p4-nav{gap:0 16px;font-size:13.5px}
  .p4-eyebrow{margin-bottom:24px}
  .p4-wall figure{padding:8px}
  .p4-wall figcaption{font-size:12px;gap:8px;margin-top:8px}
  .p4-list{grid-template-columns:minmax(0,1fr)}
  .p4-n{font-size:36px;margin-bottom:16px}
  .p4-contact-list li{grid-template-columns:minmax(0,1fr);gap:2px}
}