:root{
  --ink:#182b54;
  --ivory:#f6f2ea;
  --ivory-2:#efe9dd;
  --brass:#9c7a44;
  --brass-light:#c7ab78;
  --stone:#cdc4b4;
  --white:#fffdf9;
  --serif-cjk:'Noto Serif TC', serif;
  --serif-en:'Cormorant Garamond', serif;
  --sans:'Noto Sans TC', sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
:root{color-scheme:light;}
html{scroll-behavior:smooth;background:var(--ivory);}
body{
  background:var(--ivory);
  color:#111111;
  font-family:var(--sans);
  font-weight:300;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img,svg{display:block;max-width:100%;}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px;}
@media(max-width:640px){.wrap{padding:0 24px;}}

header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(246,242,234,0.9);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(28,25,22,0.08);
}
.nav{
  max-width:1120px;margin:0 auto;padding:22px 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;}
.logo-img{height:46px;width:auto;display:block;}
.logo span{color:var(--brass);}
.nav-links{display:flex;gap:34px;list-style:none;}
.nav-links a{font-size:14px;font-weight:400;letter-spacing:0.02em;color:#111111;position:relative;padding-bottom:4px;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--brass);transition:width .35s ease;}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--brass);}
.nav-cta{font-size:13px;padding:10px 22px;border:1px solid var(--ink);letter-spacing:0.04em;transition:background .3s ease,color .3s ease;white-space:nowrap;}
.nav-cta:hover{background:var(--ink);color:#ffffff;}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.burger span{display:block;width:24px;height:1px;background:var(--ink);margin:6px 0;}
@media(max-width:960px){.nav-links,.nav-cta{display:none;}.burger{display:block;}}

@media(max-width:680px){
  body:has(.hero) header{
    background:transparent;
    backdrop-filter:none;
    border-bottom:1px solid transparent;
    transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
  }
  body:has(.hero) header .logo-img{
    filter:invert(1);
    transition:filter .3s ease;
  }
  body:has(.hero) header .burger span{
    background:#ffffff;
    transition:background .3s ease;
  }
  body:has(.hero) header.scrolled{
    background:rgba(246,242,234,0.9);
    backdrop-filter:blur(6px);
    border-bottom:1px solid rgba(28,25,22,0.08);
  }
  body:has(.hero) header.scrolled .logo-img{
    filter:none;
  }
  body:has(.hero) header.scrolled .burger span{
    background:var(--ink);
  }
}

.mobile-menu{position:fixed;inset:0;background:var(--ivory);z-index:99;display:none;flex-direction:column;align-items:center;justify-content:center;gap:30px;}
.mobile-menu.open{display:flex;}
.mobile-menu a{font-family:var(--serif-cjk);font-size:21px;}
.mobile-close{position:absolute;top:26px;right:32px;background:none;border:none;font-size:28px;cursor:pointer;color:#111111;}

.page-hero{padding-top:172px;padding-bottom:90px;background:var(--ivory);}
.page-hero .label{margin-bottom:18px;font-size:16px;letter-spacing:0.24em;}
.page-hero h1{font-family:var(--serif-cjk);font-weight:500;font-size:clamp(32px,4.6vw,52px);line-height:1.5;max-width:760px;}
.page-hero p.lede{font-size:16px;color:#4a453e;max-width:520px;margin-top:24px;}
.page-hero p.lede-twoline{max-width:640px;}
.page-hero p.lede-twoline br+span{white-space:nowrap;}
@media(max-width:680px){.page-hero p.lede-twoline{max-width:480px;}.page-hero p.lede-twoline br+span{white-space:normal;}}
.page-hero.has-photo{padding-bottom:56px;}
.page-hero-photo{width:100%;overflow:hidden;background:var(--ivory);}
.page-hero-photo img{display:block;width:100%;aspect-ratio:2400/1030;object-fit:cover;}
@media(max-width:680px){
  .page-hero.has-photo{padding-bottom:36px;}
  .page-hero-photo img{aspect-ratio:4/3;}
  .page-hero-photo.photo-wide img{aspect-ratio:3/2;}
  .legacy-section{padding-top:24px!important;}
}


.hero{height:100vh;height:100svh;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;padding-top:110px;padding-bottom:60px;background-color:#182b54;}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center 38%;background-repeat:no-repeat;background-color:#182b54;transition:filter 1s ease;}
.hero .wrap.hero-inner{margin-left:0;width:100%;}
@media(max-width:680px){
  .hero{height:auto;aspect-ratio:0.7;min-height:400px;}
}
@media(min-width:681px){
  .hero{padding-bottom:40px;}
  .hero .wrap.hero-inner{margin-left:0;max-width:720px;padding-left:min(9vw,110px);}
}
@media(max-width:600px){
  .hero{padding-bottom:36px;}
  .hero .eyebrow{font-size:11px;margin-top:14px;margin-bottom:0;}
  .hero h1{font-size:23px;line-height:1.45;}
  .hero p.lede{font-size:12.5px;margin-top:8px;max-width:88%;}
  .hero-actions{margin-top:14px;gap:12px;}
  .hero-actions .btn-primary{padding:11px 22px;font-size:12px;}
}
.hero-photo-overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(24,43,84,0.35) 0%, rgba(24,43,84,0.55) 45%, rgba(24,43,84,0.88) 100%);z-index:1;}
.hero-inner{position:relative;z-index:2;color:#ffffff;transition:opacity 1s ease,color .3s ease;}
.hero-inner .btn-ghost{border-bottom:1px solid rgba(255,255,255,0.7);color:#ffffff;}
.hero-inner.text-dark{color:#1c1916;}
.hero-inner.text-dark p.lede{color:rgba(28,25,22,0.78);}
.hero-inner.text-dark .btn-ghost{border-bottom:1px solid rgba(28,25,22,0.7);color:#1c1916;}
.brand-cinzel{font-family:'Cinzel',serif;letter-spacing:0.03em;}
.eyebrow{font-size:13px;letter-spacing:0.3em;color:var(--brass);margin-top:26px;margin-bottom:0;}
.hero h1{font-family:var(--serif-cjk);font-weight:500;font-size:clamp(26px,4.4vw,48px);line-height:1.4;max-width:680px;}
.hero p.lede{font-size:14.5px;color:rgba(255,255,255,0.88);max-width:420px;margin-top:6px;}
.hero p.lede-oneline{max-width:640px;white-space:nowrap;}
@media(max-width:680px){.hero p.lede-oneline{max-width:480px;white-space:normal;}}
.hero-actions{margin-top:18px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;}
.hero-actions .btn-primary{padding:13px 26px;font-size:13px;}

.btn-primary{background:var(--brass);color:#ffffff;padding:16px 34px;font-size:14px;letter-spacing:0.06em;display:inline-block;transition:background .3s ease;}
.btn-primary:hover{background:var(--ink);}
.dark .btn-primary:hover{background:var(--ivory);color:#182b54;}
.btn-ghost{font-size:14px;letter-spacing:0.03em;border-bottom:1px solid var(--ink);padding-bottom:3px;}

section{padding:120px 0;background:var(--ivory);}
@media(max-width:900px){section{padding:80px 0;}}
.dark{background:var(--ink);color:#ffffff;}
.dark .stone-text{color:rgba(255,255,255,0.75);}
.stone-text{color:rgba(0,0,0,0.65);}
.label{font-size:13px;letter-spacing:0.28em;color:var(--brass);margin-bottom:20px;display:block;}
.dark .label{color:var(--brass-light);}
h2{font-family:var(--serif-cjk);font-weight:500;font-size:clamp(28px,3.6vw,42px);line-height:1.5;}
h3{font-family:var(--serif-cjk);font-weight:500;}

.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(28,25,22,0.1);margin-top:56px;}
@media(max-width:760px){.pillar-grid{grid-template-columns:1fr;}}
.pillar-card{background:var(--ivory);padding:44px 36px;display:flex;flex-direction:column;}
.pillar-photo{display:block;width:calc(100% + 72px);max-width:calc(100% + 72px);aspect-ratio:1/1;object-fit:cover;margin:-44px -36px 24px -36px;}
.wrap-wide{max-width:1120px;}
@media(min-width:1100px){.wrap-wide{max-width:1360px;}}
.pillar-card h3{font-size:19px;margin-bottom:14px;}
.pillar-card p{font-size:14px;color:rgba(0,0,0,0.65);}
.pillar-card a{
  position:relative;display:inline-block;align-self:flex-start;margin-top:18px;font-size:13px;color:var(--brass);
  padding:10px 22px;text-decoration:none;border:1px solid var(--brass);
  transition:background-color .3s ease,color .3s ease;
}
@media(min-width:761px){.pillar-card a{margin-top:auto;}}
.pillar-card a:hover{background-color:var(--brass);color:#ffffff;}
.link-draw-brass{
  position:relative;display:inline-block;font-size:14px;letter-spacing:0.03em;color:#ffffff;
  padding-bottom:3px;text-decoration:none;
  background-image:linear-gradient(var(--brass-light),var(--brass-light));
  background-repeat:no-repeat;background-position:left bottom;background-size:0% 1px;
  transition:color .3s ease,background-size .35s ease;
}
.link-draw-brass:hover{color:var(--brass-light);background-size:100% 1px;}

.story-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:start;}
.story-grid p{max-width:460px;margin-top:22px;font-size:15px;}
.story-quote{font-family:var(--serif-en);font-style:italic;font-size:clamp(22px,2.6vw,30px);line-height:1.7;color:var(--brass-light);border-left:1px solid rgba(246,242,234,0.25);padding-left:34px;}

.timeline{margin-top:56px;border-top:1px solid rgba(28,25,22,0.12);}
.t-item{padding:26px 0;border-bottom:1px solid rgba(28,25,22,0.12);}
.t-item h4{font-family:var(--serif-cjk);font-size:17px;font-weight:500;margin-bottom:6px;}
.t-year{font-family:var(--serif-cjk);font-size:20px;color:var(--brass);margin-right:10px;}
.t-item p{font-size:14px;color:rgba(0,0,0,0.65);}

.process-list{margin-top:56px;border-top:1px solid rgba(28,25,22,0.12);}
.dark .process-list{border-top:1px solid rgba(246,242,234,0.15);}
.process-item{display:grid;grid-template-columns:80px 1fr 1.4fr;gap:32px;padding:36px 0;border-bottom:1px solid rgba(28,25,22,0.12);align-items:baseline;}
.dark .process-item{border-bottom:1px solid rgba(246,242,234,0.15);}
@media(max-width:760px){.process-item{grid-template-columns:50px 1fr;}.process-item .p-desc{grid-column:1 / -1;padding-left:82px;margin-top:8px;}}
.p-num{font-family:var(--serif-en);font-size:20px;color:var(--brass);}
.dark .p-num{color:var(--brass-light);}
.p-title{font-family:var(--serif-cjk);font-size:19px;font-weight:500;}
.p-desc{font-size:14.5px;color:rgba(0,0,0,0.65);max-width:480px;}
.dark .p-desc{color:rgba(255,255,255,0.75);}

.process-note{margin-top:48px;max-width:640px;}
.process-note .label{margin-bottom:12px;}
.process-note p{font-size:14.5px;color:rgba(0,0,0,0.65);}

.material-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:rgba(28,25,22,0.08);margin-top:56px;}
.material-grid .material-card{grid-column:span 2;}
.material-grid .material-card:nth-child(4){grid-column:2 / 4;}
.material-grid .material-card:nth-child(5){grid-column:4 / 6;}
@media(max-width:760px){
  .material-grid{grid-template-columns:1fr;}
  .material-grid .material-card{grid-column:auto;}
  .material-grid .material-card:nth-child(4),
  .material-grid .material-card:nth-child(5){grid-column:auto;}
}
.material-card{background:var(--ivory);padding:44px 36px;}
.material-card.on-dark{background:var(--ink);}
.material-card h3{font-size:18px;margin-bottom:14px;}
.material-card p{font-size:14px;color:rgba(0,0,0,0.65);}
.material-card.on-dark p{color:rgba(255,255,255,0.75);}
.m-icon{width:32px;height:32px;margin-bottom:20px;}
.material-photo{display:block;width:calc(100% + 72px);max-width:calc(100% + 72px);aspect-ratio:1/1;object-fit:cover;margin:-44px -36px 24px -36px;}

.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:56px;background:var(--ivory);}
@media(max-width:760px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
.home-gallery{grid-template-columns:repeat(4,1fr);}
@media(max-width:760px){.home-gallery{grid-template-columns:repeat(2,1fr);}}
.gallery-item{position:relative;aspect-ratio:3/4;overflow:hidden;background:linear-gradient(160deg,#e4dcc9,#cbb98f 55%,#a4894f);display:flex;align-items:flex-end;padding:20px;}
.gallery-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .5s ease;}
.gallery-item:hover img{transform:scale(1.08);}
.gallery-item .gallery-fade{position:absolute;left:0;right:0;bottom:0;height:48%;background:linear-gradient(180deg, rgba(10,10,20,0) 0%, rgba(10,10,20,0.62) 100%);z-index:1;}
.gallery-item.has-photo span{position:relative;z-index:2;color:#ffffff;}
.gallery-item svg{position:absolute;inset:0;margin:auto;width:44%;opacity:0.5;}
.gallery-item span{position:relative;z-index:2;font-size:13px;color:#2a2116;letter-spacing:0.03em;}
.gallery-item.has-photo{cursor:zoom-in;}

/* 燈箱：點擊作品照片放大檢視 */
.lightbox-overlay{position:fixed;inset:0;background:rgba(10,9,8,0.94);z-index:999;display:none;align-items:center;justify-content:center;padding:40px;}
.lightbox-overlay.open{display:flex;}
.lightbox-content{display:flex;flex-direction:column;align-items:center;max-width:92vw;max-height:90vh;}
.lightbox-img{max-width:92vw;max-height:80vh;object-fit:contain;box-shadow:0 24px 64px rgba(0,0,0,0.5);}
.lightbox-caption{margin-top:16px;color:#f4ede0;font-size:13px;letter-spacing:0.08em;}
.lightbox-close{position:absolute;top:20px;right:24px;background:none;border:none;color:#ffffff;font-size:34px;line-height:1;cursor:pointer;padding:8px;z-index:2;}
.lightbox-prev,.lightbox-next{position:absolute;top:50%;transform:translateY(-50%);background:none;border:none;color:#ffffff;font-size:22px;cursor:pointer;padding:14px 16px;z-index:2;opacity:0.75;transition:opacity .2s ease;}
.lightbox-prev{left:12px;}
.lightbox-next{right:12px;}
.lightbox-prev:hover,.lightbox-next:hover,.lightbox-close:hover{opacity:1;}
@media(max-width:680px){
  .lightbox-overlay{padding:20px;}
  .lightbox-close{top:14px;right:14px;font-size:28px;}
  .lightbox-prev,.lightbox-next{font-size:18px;padding:10px 12px;}
}
.gallery-tag{margin-top:56px;display:flex;gap:12px;flex-wrap:wrap;}
.gallery-tag button{background:none;border:1px solid rgba(0,0,0,0.25);padding:8px 18px;font-size:13px;font-family:var(--sans);cursor:pointer;color:#111111;transition:all .25s ease;}
.gallery-tag button.active,.gallery-tag button:hover{background:var(--ink);color:#ffffff;border-color:var(--ink);}

.service-block{border-top:1px solid rgba(28,25,22,0.12);padding:56px 0;}
.service-block:last-child{border-bottom:1px solid rgba(28,25,22,0.12);}
.service-grid{display:grid;grid-template-columns:0.6fr 1.4fr;gap:60px;}
@media(max-width:760px){.service-grid{grid-template-columns:1fr;gap:20px;}}
.service-grid h3{font-size:21px;}
.service-grid p{font-size:14.5px;color:#5c574e;max-width:520px;margin-top:6px;}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:48px;}}
.contact-info{margin-top:36px;}
.contact-info p{margin-top:22px;font-size:14.5px;}
.contact-info .ci-line{display:flex;gap:14px;margin-top:16px;font-size:14px;color:rgba(255,255,255,0.85);}
.contact-info .ci-line-block{flex-direction:column;gap:4px;}
.contact-info .ci-note{font-size:12.5px;color:rgba(255,255,255,0.55);}
form{display:flex;flex-direction:column;gap:22px;}
.field label{display:block;font-size:12.5px;letter-spacing:0.06em;color:rgba(255,255,255,0.7);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;background:transparent;border:none;border-bottom:1px solid rgba(255,255,255,0.4);color:#ffffff;font-family:var(--sans);font-size:15px;padding:8px 2px;font-weight:300;}
.field textarea{resize:vertical;min-height:80px;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,0.4);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brass-light);}
.field select option{color:#111;}
.submit-row{margin-top:8px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.btn-submit{background:var(--brass);color:#ffffff;padding:15px 32px;font-size:14px;letter-spacing:0.05em;border:none;cursor:pointer;transition:background .3s ease;}
.btn-submit:hover{background:var(--ivory);color:#182b54;}
.form-note{font-size:12.5px;color:rgba(255,255,255,0.55);}
.form-success{font-size:13.5px;color:var(--brass-light);display:none;margin-top:4px;}

.cta-band{padding:90px 0;text-align:center;}
.cta-band h2{max-width:640px;margin:0 auto;}
.cta-band .hero-actions{justify-content:center;margin-top:36px;}

footer{padding:70px 0 40px;background:var(--ink);border-top:1px solid rgba(255,255,255,0.12);color:#ffffff;}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:40px;}
.foot-logo{font-family:'Cinzel',serif;font-size:20px;letter-spacing:0.12em;color:#ffffff;line-height:1;}
.foot-cols{display:flex;gap:70px;flex-wrap:wrap;}
.foot-col h4{font-size:12.5px;letter-spacing:0.1em;color:rgba(246,242,234,0.45);margin-bottom:16px;}
.foot-col a,.foot-col span{display:block;font-size:14px;color:rgba(255,255,255,0.85);margin-bottom:10px;}
.foot-col a{transition:color .25s ease;}
.ig-handle{display:inline!important;margin-bottom:0!important;}
.foot-col a:hover{color:var(--brass-light);}
.foot-bottom{margin-top:60px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:rgba(255,255,255,0.55);}
.br-mobile{display:none;}
@media(max-width:680px){.br-mobile{display:block;}}
.label-legacy{font-size:16px;letter-spacing:0.22em;}
.label-explore{font-size:17px;letter-spacing:0.2em;margin-bottom:32px;}