/* INT-04 生活家 — bright lived-in family homes */
.tpl-int-04{
  --gut:clamp(16px,4.6vw,72px);
  --serif:"Fraunces","Noto Serif SC",Georgia,serif;
  --sans:"Manrope","Noto Sans SC",system-ui,sans-serif;
  --r:clamp(18px,2.4vw,32px);
  --dock-bg:var(--fg);--dock-fg:var(--bg);
  font-family:var(--sans);font-size:16px;
}
.tpl-int-04 main{overflow-x:clip}
.tpl-int-04 ::selection{background:var(--accent);color:var(--on-accent)}
.i4-main>section{padding:clamp(72px,10vw,148px) var(--gut);max-width:1440px;margin:0 auto}

/* header */
.i4-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 32px;padding:14px var(--gut);max-width:1440px;margin:0 auto}
.i4-brand{font-family:var(--serif);font-weight:500;font-size:21px;letter-spacing:-.01em;text-decoration:none;min-height:48px;display:flex;align-items:center}
.i4-nav{display:flex;flex-wrap:wrap;gap:0 28px;font-size:14px;font-weight:500;color:var(--muted)}
.i4-nav a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none;transition:color .2s}
.i4-nav a:hover{color:var(--fg)}

/* hero */
.i4-main>.i4-hero{padding-top:clamp(36px,6vw,88px);padding-bottom:clamp(40px,6vw,80px)}
.i4-hero-top{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:28px clamp(32px,6vw,96px);align-items:end}
.i4-eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent)}
.i4-eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.i4-hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(42px,6.6vw,104px);line-height:1.02;letter-spacing:-.03em;font-variation-settings:"SOFT" 100,"opsz" 144}
:lang(zh-Hans) .i4-hero h1{font-weight:500;line-height:1.24;letter-spacing:.01em;font-size:clamp(36px,6.2vw,96px)}
.i4-sub{color:var(--muted);font-size:clamp(16px,1.2vw,18px);line-height:1.8;max-width:26em}
.i4-sub p:last-child{margin:0}
.i4-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;margin-top:28px}
.i4-btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 30px;border-radius:999px;background:var(--accent);color:var(--on-accent);text-decoration:none;font-weight:600;font-size:15px;transition:transform .25s,box-shadow .25s}
.i4-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px color-mix(in srgb,var(--accent) 80%,transparent)}
.i4-link{min-height:44px;display:inline-flex;align-items:center;font-weight:600;font-size:15px;text-decoration:none;border-bottom:1px solid currentColor;padding-top:2px}
.i4-link:hover{color:var(--accent)}
.i4-hero-art{position:relative;margin-top:clamp(36px,5vw,64px)}
.i4-hero-ph{border-radius:var(--r);overflow:hidden;aspect-ratio:16/8.4;background:var(--soft)}
.i4-hero-ph img{width:100%;height:100%;object-fit:cover}
@media (prefers-reduced-motion:no-preference){.i4-hero-ph img{animation:i4-in 1.6s cubic-bezier(.2,.7,.2,1) both}}
@keyframes i4-in{from{transform:scale(1.06);opacity:.4}to{transform:none;opacity:1}}
.i4-note{position:absolute;right:clamp(16px,3vw,44px);bottom:clamp(-44px,-3vw,-28px);width:min(300px,40%);background:var(--bg);border-radius:calc(var(--r) * .8);padding:22px 26px 14px;box-shadow:0 24px 50px -28px rgba(30,28,22,.45)}
.i4-note-k{margin:0 0 6px;font-family:var(--serif);font-style:italic;font-size:18px;color:var(--accent)}
:lang(zh-Hans) .i4-note-k{font-style:normal;font-size:15px;font-weight:600;letter-spacing:.08em}
.i4-note li+li{border-top:1px solid var(--line)}
.i4-note a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:46px;text-decoration:none;font-weight:500}
.i4-note a::after{content:"→";color:var(--accent);transition:transform .2s}
.i4-note a:hover::after{transform:translateX(4px)}

/* kicker + section heads */
.i4-kicker{margin:0 0 14px;font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.tpl-int-04 h2{font-family:var(--serif);font-weight:400;font-size:clamp(32px,4.2vw,60px);line-height:1.1;letter-spacing:-.02em;font-variation-settings:"SOFT" 100}
:lang(zh-Hans).tpl-int-04 h2,:lang(zh-Hans) .tpl-int-04 h2{font-weight:500;line-height:1.3;letter-spacing:.01em;font-size:clamp(28px,3.4vw,48px)}
.i4-sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.7fr);gap:18px clamp(32px,6vw,96px);align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.i4-intro{color:var(--muted);max-width:30em}
.i4-intro p:last-child{margin:0}

/* about */
.i4-main>.i4-about{max-width:none;padding-left:0;padding-right:0;padding-top:clamp(110px,12vw,180px)}
.i4-about-in{max-width:1440px;margin:0 auto;padding:clamp(48px,7vw,104px) var(--gut);background:var(--soft);border-radius:var(--r);display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1fr);gap:clamp(36px,7vw,120px);align-items:center}
@media (min-width:1500px){.i4-about-in{max-width:calc(1440px - 2 * var(--gut))}}
.i4-about-in--text{grid-template-columns:minmax(0,1fr)}
.i4-about-in--text .i4-about-copy{max-width:760px}
.i4-about-media{border-radius:var(--r) var(--r) var(--r) 4px;overflow:hidden}
.i4-about-media img{width:100%;aspect-ratio:4/5;object-fit:cover}
.i4-about-copy h2{margin-bottom:clamp(24px,3vw,40px)}
.i4-about-body{color:var(--muted);font-size:17px;line-height:1.9;max-width:34em}
.i4-path{position:relative}
.i4-path li{position:relative;display:grid;grid-template-columns:44px 1fr;gap:20px;align-items:start;padding-bottom:26px}
.i4-path li:last-child{padding-bottom:0}
.i4-path li:not(:last-child)::before{content:"";position:absolute;left:21px;top:46px;bottom:4px;border-left:1px dashed color-mix(in srgb,var(--accent) 55%,transparent)}
.i4-path-n{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--accent);font-family:var(--serif);font-size:19px;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}
.i4-path li:first-child .i4-path-n{background:var(--accent);color:var(--on-accent);box-shadow:none}
.i4-path p{margin:0;padding-top:9px;font-size:17px;line-height:1.6}

/* services */
.i4-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,1.6vw,22px)}
.i4-card{position:relative;display:flex;flex-direction:column;padding:clamp(26px,2.6vw,36px);border:1px solid var(--line);border-radius:var(--r);min-height:260px;transition:background .3s,border-color .3s,transform .3s}
.i4-card:hover{background:var(--soft);border-color:transparent;transform:translateY(-3px)}
.i4-card-n{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--accent);margin-bottom:auto;padding-bottom:36px}
.i4-card h3{font-family:var(--serif);font-weight:500;font-size:clamp(22px,1.9vw,27px);line-height:1.25;margin-bottom:10px}
.i4-card-d{color:var(--muted);font-size:15px;line-height:1.75}
.i4-card-d p:last-child{margin:0}
.i4-price{margin:10px 0 0;font-weight:600;color:var(--accent)}
.i4-ask{align-self:flex-start;margin-top:18px;min-height:44px;display:inline-flex;align-items:center;font-size:14px;font-weight:600;text-decoration:none;color:var(--accent);border-bottom:1px solid transparent}
.i4-ask:hover{border-bottom-color:currentColor}

/* work spread */
.i4-spread{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(36px,4vw,56px) clamp(16px,2vw,28px);align-items:start}
.i4-tile{grid-column:span 6}
.i4-tile:nth-child(4n+1){grid-column:1/span 7}
.i4-tile:nth-child(4n+2){grid-column:9/span 4;margin-top:clamp(40px,8vw,120px)}
.i4-tile:nth-child(4n+3){grid-column:2/span 4}
.i4-tile:nth-child(4n+3){grid-column:2/span 4;margin-top:clamp(-120px,-6vw,-48px)}
.i4-tile:nth-child(4n+4){grid-column:7/span 6;margin-top:clamp(24px,4vw,64px)}
.i4-tile-ph{border-radius:var(--r);overflow:hidden;background:var(--soft)}
.i4-tile-ph img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.i4-tile:nth-child(4n+2) .i4-tile-ph img,.i4-tile:nth-child(4n+3) .i4-tile-ph img{aspect-ratio:4/5}
.i4-tile:hover .i4-tile-ph img{transform:scale(1.03)}
.i4-tile figcaption{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:15px;color:var(--muted)}
.i4-tile figcaption::before{content:"";width:22px;height:1px;background:var(--accent);flex:none}

/* testimonials */
.i4-quote-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:20px}
.i4-quote-list figure{padding:32px;border-radius:var(--r);background:var(--soft)}
.i4-quote-list blockquote{font-family:var(--serif);font-size:20px;line-height:1.6}
.i4-quote-list figcaption{margin-top:16px;font-size:14px;font-weight:600;color:var(--accent)}
.i4-quote-list figcaption span{color:var(--muted);font-weight:400}

/* faq */
.i4-faq{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:28px clamp(32px,7vw,120px);align-items:start}
.i4-faq-head{position:sticky;top:32px}
.i4-faq-list details{border-bottom:1px solid var(--line)}
.i4-faq-list details:first-child{border-top:1px solid var(--line)}
.i4-faq-list summary{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:72px;padding:18px 0;font-size:17px;font-weight:600}
.i4-faq-list summary::after{float:none;flex:none;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--soft);color:var(--accent);font-size:20px;line-height:1}
.i4-faq-list details p{margin:0 0 22px;color:var(--muted);line-height:1.8;max-width:36em}

/* contact letter */
.i4-letter{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px clamp(40px,7vw,120px);align-items:end;padding:clamp(40px,7vw,104px);border-radius:var(--r);background:var(--accent);color:var(--on-accent);position:relative;overflow:hidden}
.i4-letter::before{content:"";position:absolute;right:-12%;top:-40%;width:60%;aspect-ratio:1;border-radius:50%;background:color-mix(in srgb,var(--on-accent) 7%,transparent);pointer-events:none}
.i4-letter>*{position:relative}
.i4-letter .i4-kicker{color:inherit;opacity:.8}
.i4-letter h2{font-size:clamp(36px,5vw,72px)}
:lang(zh-Hans) .i4-letter h2{font-size:clamp(30px,4.2vw,58px)}
.i4-contact-intro{margin-top:18px;max-width:30em;opacity:.88}
.i4-contact-intro p:last-child{margin:0}
.i4-letter-copy .i4-btn{margin-top:30px}
.i4-btn--light{background:var(--on-accent);color:var(--accent)}
.i4-contact-list li{padding:16px 0;border-top:1px solid color-mix(in srgb,var(--on-accent) 26%,transparent)}
.i4-contact-list .bc-k{margin-bottom:2px}
.i4-contact-list a{display:inline-flex;align-items:center;min-height:44px;margin:-8px 0;text-decoration:none;font-weight:600;font-size:17px}
.i4-contact-list a:hover{text-decoration:underline}
.i4-social{display:flex;flex-wrap:wrap;gap:0 22px;margin-top:12px;font-weight:600;font-size:14px}
.i4-social a{min-height:44px;display:inline-flex;align-items:center}

/* footer */
.i4-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding:28px var(--gut) 36px;max-width:1440px;margin:0 auto;font-size:13px;color:var(--muted)}
.i4-foot-brand{font-family:var(--serif);font-size:17px;color:var(--fg)}

@media (max-width:900px){
  .i4-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .i4-hero-top,.i4-sec-head,.i4-faq,.i4-letter{grid-template-columns:minmax(0,1fr)}
  .i4-faq-head{position:static}
  .i4-about-in{grid-template-columns:minmax(0,1fr)}
  .i4-about-media{max-width:440px}
}
@media (max-width:760px){
  .i4-head{gap:0 16px;padding-top:8px;padding-bottom:4px}
  .i4-nav{gap:0 16px;font-size:13px}
  .i4-hero-ph{aspect-ratio:4/5;border-radius:20px}
  .i4-hero-ph img{object-position:30% 50%}
  .i4-hero-art{margin-left:calc(var(--gut) * -.5);margin-right:calc(var(--gut) * -.5)}
  .i4-note{position:relative;right:auto;bottom:auto;width:auto;margin:-64px 14px 0;padding:18px 22px 8px}
  .i4-main>.i4-about{padding-top:72px}
  .i4-about-in{border-radius:0;padding-top:56px;padding-bottom:56px}
  .i4-about-media{width:86%}
  .i4-spread{grid-template-columns:minmax(0,1fr);gap:32px}
  .i4-tile:nth-child(n){grid-column:auto;margin-top:0}
  .i4-tile:nth-child(even){width:82%;margin-left:auto}
  .i4-card{min-height:0}
  .i4-cards{grid-template-columns:minmax(0,1fr)}
  .i4-card-n{padding-bottom:20px}
  .i4-letter{border-radius:22px;margin:0 calc(var(--gut) * -.5)}
}