/* 雪藤衣序 / ATELIER 06
   Visual system: a private collecting salon; quiet, tactile, editorial.
   This layer is intentionally separate from the frozen v5 interaction CSS. */
:root{
  --atelier-ground:#F5F3EE;
  --atelier-sheet:#FBFAF7;
  --atelier-ink:#202721;
  --atelier-muted:#596158;
  --atelier-forest:#1C342C;
  --atelier-forest-deep:#142820;
  --atelier-rule:rgba(35,48,40,.16);
  --atelier-metal:#AA946A;
  --atelier-red:#9F493C;
  --atelier-display:"Songti SC","STSong","SimSun","Noto Serif CJK SC",serif;
  --atelier-text:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --atelier-ease:cubic-bezier(.2,.72,.22,1);
  --atelier-space:clamp(22px,5.2vw,76px);
  --atelier-max:1440px;
  color-scheme:light;
}
html{background:var(--atelier-ground);scroll-padding-top:76px}
body{background:var(--atelier-ground);color:var(--atelier-ink);font-family:var(--atelier-text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input{font:inherit}
button{color:inherit}
::selection{background:rgba(170,148,106,.28);color:var(--atelier-ink)}
:focus-visible{outline:2px solid #8D7547;outline-offset:4px}

/* The masthead behaves like a discreet gallery plaque. */
.hd{height:68px;padding:0 var(--atelier-space);background:rgba(28,52,44,.97);border:0;box-shadow:0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.hd::after{content:"";position:absolute;bottom:0;left:var(--atelier-space);right:var(--atelier-space);height:1px;background:linear-gradient(90deg,transparent,rgba(198,168,118,.56),transparent)}
.hd-back,.hd-act{opacity:.9}
.hd-back svg,.hd-act svg{width:19px;height:19px;stroke-width:1.25}
.hd-brand{gap:13px;padding:0;border:0;background:transparent;text-align:left;text-decoration:none;cursor:pointer}
.hd-mark{width:27px;height:27px;background:var(--atelier-sheet);color:var(--atelier-forest);font-family:var(--atelier-display);font-size:15px;box-shadow:none}
.hd-title{font-family:var(--atelier-display);font-size:16px;letter-spacing:.36em;color:#F5F3EE}
.hd-sub{display:inline-block;margin-left:3px;color:#C9B991;font-size:8px;letter-spacing:.32em}
#view{max-width:var(--atelier-max);padding:0 0 clamp(72px,9vw,132px);overflow:clip}

/* Proof-led opening gallery: certificates are treated as collected objects. */
.hero{padding:clamp(22px,3.2vw,46px) 0 18px;background:var(--atelier-forest);background-image:linear-gradient(155deg,#203A31 0%,var(--atelier-forest-deep) 100%)}
.hero-heading{padding:clamp(28px,4.5vw,58px) var(--atelier-space) clamp(20px,3vw,34px);text-align:center;color:#F5F3EE}
.hero-heading span{display:block;color:#D0C09B;font-size:9px;letter-spacing:.34em}
.hero-heading h1{margin:13px 0 8px;font:clamp(24px,3.2vw,40px)/1.5 var(--atelier-display);font-weight:400;letter-spacing:.17em}
.hero-heading p{margin:0;color:rgba(245,243,238,.66);font-size:8px;letter-spacing:.29em}
.hero-track{gap:clamp(14px,1.8vw,26px);padding:0 var(--atelier-space);scroll-padding-inline:var(--atelier-space);scrollbar-width:none;overscroll-behavior-x:contain}
.hero-item{flex:0 0 clamp(270px,36vw,500px);aspect-ratio:1.2/1;border:1px solid rgba(198,168,118,.38);padding:7px;background:rgba(248,245,237,.035);box-shadow:none;overflow:hidden;scroll-snap-align:center}
.hero-item.poster{aspect-ratio:1.2/1;box-shadow:inset 0 0 0 1px rgba(198,168,118,.22)}
.hero-item img{background:#ECE9E2;object-fit:cover;object-position:center 38%}
.hero-item.poster img{object-fit:contain;background:#ECE9E2}
.hero-item img{animation:none!important;clip-path:none}
.hero-cap{display:flex;position:absolute;left:7px;right:7px;bottom:7px;padding:34px 20px 18px;flex-direction:column;align-items:flex-start;gap:5px;color:white;background:linear-gradient(0deg,rgba(14,29,23,.88),transparent);pointer-events:none}
.hero-kicker{font-size:9px;letter-spacing:.26em;color:#D6C7A5}
.hero-h{font:22px/1.4 var(--atelier-display);letter-spacing:.1em}
.hero-p{max-width:80%;font-size:11px;color:rgba(255,255,255,.82);line-height:1.7}
.hero-item::after{inset:4px;opacity:.8}
.hero-dots{gap:7px;padding:20px 12px 0}
.hero-dots i{width:20px;height:2px;background:rgba(244,241,233,.3);transition:width 480ms var(--atelier-ease),background 300ms ease}
.hero-dots i.on{width:44px;background:#C9B991}

/* Editorial statement and chapter rhythm. */
.manifesto{padding:clamp(58px,9vw,124px) var(--atelier-space);background:var(--atelier-ground);text-align:center}
.manifesto .mf-k{display:block;margin:0 auto 18px;color:var(--atelier-muted);font-size:9px;letter-spacing:.34em;text-transform:uppercase}
.manifesto .mf-h{max-width:820px;margin:0 auto;color:var(--atelier-ink);font:clamp(22px,3vw,38px)/1.9 var(--atelier-display);letter-spacing:.12em}
.manifesto::after{content:"";display:block;width:42px;height:1px;margin:30px auto 0;background:var(--atelier-metal)}
.sec{margin:clamp(42px,7vw,90px) var(--atelier-space) 0}
.sec-hd{display:flex;align-items:baseline;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--atelier-rule)}
.sec-t{font:clamp(17px,1.8vw,21px)/1.5 var(--atelier-display);letter-spacing:.14em;color:var(--atelier-ink)}
.sec-en{font:9px/1.4 var(--atelier-text);color:var(--atelier-muted);letter-spacing:.22em;text-transform:uppercase}
.sec-line{flex:1;height:1px;background:linear-gradient(90deg,var(--atelier-rule),transparent)}
.sec-more{font-size:10px;letter-spacing:.12em;color:var(--atelier-red);text-decoration:none}
.sec-sub{margin:13px 0 0;color:var(--atelier-muted);font-size:12px;letter-spacing:.05em;line-height:1.8}
.home-selection{margin-top:clamp(26px,4vw,48px)}
.home-grid{padding-top:18px}
.home-admin{padding:42px 20px 0;text-align:center}
.home-admin a{color:var(--atelier-muted);font-size:9px;letter-spacing:.2em;text-decoration:none}

/* Browse controls stay quiet, legible, and thumb-friendly. */
.chips{gap:9px;padding:18px 0 0;scrollbar-width:none;overscroll-behavior-x:contain}
.chip{min-height:40px;padding:0 15px;border:1px solid rgba(35,48,40,.19);border-radius:0;background:transparent;color:var(--atelier-ink);font-size:11px;letter-spacing:.035em;transition:background 220ms ease,color 220ms ease,border-color 220ms ease}
.chip.on{background:var(--atelier-forest);border-color:var(--atelier-forest);color:#FBFAF7}
.chip .n{margin-left:9px;color:var(--atelier-muted);font-size:9px;opacity:1}
.chip.on .n{color:#E0D5BC}
.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;border:1px solid var(--atelier-rule);background:var(--atelier-rule)}
.brand-card{min-height:80px;padding:16px 18px;background:var(--atelier-sheet);color:var(--atelier-ink);text-align:left;transition:background 240ms var(--atelier-ease),padding 240ms var(--atelier-ease)}
.brand-card b{font:15px/1.5 var(--atelier-display);letter-spacing:.04em}
.brand-card span{display:block;margin-top:4px;color:var(--atelier-muted);font-size:10px;letter-spacing:.08em}
.brand-card::after{display:block;position:absolute;right:18px;top:50%;content:"↗";color:var(--atelier-metal);font-size:12px;opacity:0;transform:translate(-5px,-50%);transition:opacity 200ms,transform 200ms}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.brands-directory{max-width:1120px;margin-inline:auto}
.brands-search{display:flex;align-items:center;gap:16px;margin:24px 0 8px;padding:0 0 12px;border-bottom:1px solid var(--atelier-rule);color:var(--atelier-muted)}
.brands-search input{flex:1;min-width:0;min-height:44px;border:0;border-radius:0;outline:none;background:transparent;color:var(--atelier-ink);font:15px var(--atelier-display);letter-spacing:.04em}
.brands-search input::placeholder{color:#5F675F;opacity:1;font:12px var(--atelier-text);letter-spacing:.04em}
.brands-search>span:last-child{font-size:10px;letter-spacing:.08em;white-space:nowrap}
.brands-directory>.chips{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;border:1px solid var(--atelier-rule);background:var(--atelier-rule)}
.brands-directory>.chips .chip{display:flex;justify-content:space-between;align-items:center;min-height:52px;padding-inline:14px;border:0;background:var(--atelier-sheet);text-align:left}
.brands-directory>.chips .chip:hover{background:#F0EEE8}
.brands-directory>.chips .chip .n{margin-left:8px}
.brands-empty{margin:28px 0;color:var(--atelier-muted);font-size:12px}

/* Collection cards: museum-label typography and calm image treatment. */
.grid{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(12px,2vw,28px);row-gap:clamp(30px,5vw,62px);padding:18px var(--atelier-space) 0}
.card{min-width:0;padding:0 0 10px;background:transparent;color:inherit;text-decoration:none}
.card-img{position:relative;aspect-ratio:4/5;border:0;background:#EAE7E0;overflow:hidden}
.card-img img{object-fit:cover;transition:opacity 350ms ease,transform 850ms var(--atelier-ease)}
.card-img::before{content:"";position:absolute;inset:7px;border:1px solid rgba(255,255,255,.5);z-index:1;pointer-events:none;opacity:.62}
.card-badge,.card-angles{z-index:2;border:0;border-radius:0;background:rgba(251,250,247,.92);color:var(--atelier-ink);font-size:9px;letter-spacing:.1em}
.card-badge{top:12px;left:12px;padding:6px 8px}
.card-angles{right:12px;bottom:12px;padding:5px 7px;font-size:9px}
.card-body{padding:13px 1px 0!important}
.card-name{min-height:2.9em;color:var(--atelier-ink);font:14px/1.75 var(--atelier-display);letter-spacing:.025em}
.card-meta{margin-top:5px;gap:8px}
.card-price{color:var(--atelier-red);font:12px/1.5 var(--atelier-text);letter-spacing:.05em}
.card-brand{color:var(--atelier-muted);font-size:9px;letter-spacing:.13em}
.loading,.empty{color:var(--atelier-muted);font-size:11px;letter-spacing:.1em}

/* Maison directory and administrator inherit the same catalog language. */
#view>.sec:first-child:has(.chips){padding-top:clamp(20px,3vw,40px)}
#view>.sec:first-child:has(.chips) .chips{display:flex;flex-wrap:wrap;gap:10px}
.adm{max-width:980px;margin:clamp(26px,5vw,64px) auto;padding:0 var(--atelier-space)}
.adm-note{margin-bottom:34px;padding:20px 22px;border:1px solid var(--atelier-rule);background:var(--atelier-sheet);color:var(--atelier-muted);font-size:12px;line-height:1.9}
.adm-item{display:grid;grid-template-columns:96px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--atelier-rule)}
.adm-item img{width:96px;height:118px;object-fit:cover;background:#EAE7E0}
.adm-item input{min-height:42px;border:1px solid var(--atelier-rule);background:var(--atelier-sheet);padding:8px 10px;color:var(--atelier-ink)}
.adm-bar{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.btn{min-height:42px;padding:0 18px;border:1px solid var(--atelier-forest);border-radius:0;background:var(--atelier-forest);color:white;letter-spacing:.08em}
.btn.ghost{background:transparent;color:var(--atelier-forest)}

/* Product detail is a focused reading room around the object. */
#view.detail{max-width:1500px;padding-top:clamp(24px,4vw,58px)}
.dt-gallery{position:relative;padding:0 clamp(18px,3.2vw,48px);border:0;background:transparent}
.dt-track{background:#ECEAE4;scrollbar-width:none;overscroll-behavior-x:contain}
.dt-slide{aspect-ratio:4/4.5;background:#ECEAE4}
.dt-slide img{object-fit:contain;mix-blend-mode:multiply}
.dt-count{top:auto;right:clamp(30px,5vw,72px);bottom:22px;padding:7px 10px;border:1px solid var(--atelier-rule);border-radius:0;background:rgba(251,250,247,.92);font-size:10px;letter-spacing:.1em}
.dt-nav{width:42px;height:42px;border:1px solid rgba(35,48,40,.2);border-radius:50%;background:rgba(251,250,247,.9);color:var(--atelier-ink);transition:transform 240ms var(--atelier-ease),background 240ms ease}
.dt-dots{gap:4px;padding:15px 0}
.dt-dots i{width:18px;height:2px;background:rgba(35,48,40,.18)}
.dt-dots i.on{width:36px;background:var(--atelier-red)}
.dt-thumbs{gap:8px;padding:0 clamp(18px,3.2vw,48px) 8px}
.dt-thumbs img{width:58px;height:72px;border:1px solid transparent;object-fit:cover}
.dt-thumbs img.on{border-color:var(--atelier-metal);opacity:1}
.dt-colorbar{padding:16px clamp(18px,3.2vw,48px);color:var(--atelier-muted);font-size:11px;letter-spacing:.07em}
.dt-info{margin:14px clamp(18px,3.2vw,48px) 0;padding:clamp(24px,3.5vw,48px);border:1px solid var(--atelier-rule);background:var(--atelier-sheet)}
.dt-brand{color:var(--atelier-red);font-size:10px;letter-spacing:.22em}
.dt-name{margin-top:14px;color:var(--atelier-ink);font:clamp(21px,2.5vw,32px)/1.7 var(--atelier-display);letter-spacing:.045em;white-space:pre-line}
.dt-price-row{margin-top:20px;padding:16px 0;border-top:1px solid var(--atelier-rule);border-bottom:1px solid var(--atelier-rule)}
.dt-price{color:var(--atelier-ink);font:25px/1.4 var(--atelier-display);font-variant-numeric:tabular-nums}
.dt-price.inq{font-size:21px;letter-spacing:.16em}
.dt-cta{display:flex;align-items:center;justify-content:center;min-height:52px;margin-top:18px;background:var(--atelier-forest);color:#FBFAF7;font-size:12px;letter-spacing:.1em}
.dt-cta b{color:#D8C8A4}
.dt-specs{margin-top:26px;border-top:1px solid var(--atelier-rule)}
.dt-row{min-height:48px;border-bottom:1px solid rgba(35,48,40,.11)}
.dt-row b{color:var(--atelier-muted);font-size:10px;font-weight:400;letter-spacing:.1em}
.dt-row span{color:var(--atelier-ink);font-size:12px;letter-spacing:.035em}
.dt-actions{margin-top:18px}
.dt-actions .btn{width:100%;min-height:46px;border-color:var(--atelier-rule);background:transparent;color:var(--atelier-ink)}
.dt-promise{margin-top:30px;padding:22px;border:1px solid var(--atelier-rule);background:var(--atelier-ground)}
.dt-promise-t{color:var(--atelier-red);font:12px/1.6 var(--atelier-display);letter-spacing:.16em}
.dt-promise li{color:var(--atelier-muted);font-size:11px}
.dt-promise-f{color:var(--atelier-muted)}
.dt-back{color:var(--atelier-ink)}

/* Story and provenance become quiet intermissions, not generic content cards. */
.about{padding:clamp(28px,5vw,58px);background:var(--atelier-forest);color:#F4F1E9}
.about .sec-hd{border-bottom-color:rgba(244,241,233,.24)}
.about .sec-t,.about .sec-en{color:#F4F1E9}
.about .sec-line{background:linear-gradient(90deg,rgba(244,241,233,.2),transparent)}
.about-lead{font:clamp(19px,2.2vw,26px)/1.8 var(--atelier-display);letter-spacing:.08em}
.about-body{max-width:720px;color:rgba(244,241,233,.78);font-size:12px;line-height:2.1;letter-spacing:.035em}
.prov{border-top:1px solid var(--atelier-rule)}
.prov li{display:grid;grid-template-columns:84px 1fr;min-height:54px;align-items:center;border-bottom:1px solid var(--atelier-rule)}
.prov b{color:var(--atelier-red);font:12px var(--atelier-display);letter-spacing:.12em}
.prov span{color:var(--atelier-muted);font-size:11px}

/* Continuous navigation and image continuity (progressive enhancement). */
::view-transition-group(atelier-product){z-index:3;animation-duration:620ms;animation-timing-function:var(--atelier-ease)}
::view-transition-old(atelier-product){animation:atelier-object-out 620ms var(--atelier-ease) both;object-fit:cover}
::view-transition-new(atelier-product){animation:atelier-object-in 620ms var(--atelier-ease) both;object-fit:contain}
@keyframes atelier-object-out{from{filter:saturate(1);border-radius:0}to{filter:saturate(.94);border-radius:2px}}
@keyframes atelier-object-in{from{filter:saturate(.94);border-radius:2px}to{filter:saturate(1);border-radius:0}}
@media (hover:hover){
 .card:hover .card-img img{transform:scale(1.035)}
 .brand-card:hover{padding-left:22px;background:#F1EFE9}
 .brand-card:hover::after{opacity:1;transform:translate(0,-50%)}
 .chip:hover{border-color:var(--atelier-forest)}
 .dt-nav:hover{transform:scale(1.04);background:white}
}
@media(min-width:700px){
 .brand-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
 .hero-item{flex-basis:clamp(300px,32vw,460px)}
 #view.detail{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(350px,.88fr);align-items:start;column-gap:clamp(20px,3vw,46px);padding-inline:clamp(20px,4vw,64px)}
 #view.detail>.dt-gallery{grid-column:1;grid-row:1;position:sticky;top:84px;margin:0;padding:0}
 #view.detail>.dt-dots,#view.detail>.dt-thumbs,#view.detail>.dt-colorbar{grid-column:1}
 #view.detail>.dt-info{grid-column:2;grid-row:1 / span 4;margin:0;padding:clamp(26px,3vw,46px);}
}
@media(min-width:1100px){
 .grid{grid-template-columns:repeat(4,minmax(0,1fr));column-gap:clamp(22px,2.2vw,34px)}
 .brand-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
 .hero-item{flex-basis:clamp(380px,30vw,510px)}
}
@media(max-width:699px){
 .hd{height:58px;padding-inline:18px}
 .hd::after{left:18px;right:18px}
 .hd-sub{display:none}
 #view{padding-bottom:76px}
 .hero{padding-top:14px}
 .hero-track{padding-inline:18px;gap:12px}
 .hero-item,.hero-item.poster{flex:0 0 min(84vw,390px);aspect-ratio:.95/1}
 .hero-cap{padding:30px 15px 14px}
 .hero-h{font-size:19px}
 .manifesto{padding:58px 24px}
 .manifesto .mf-h{font-size:23px;line-height:1.85;letter-spacing:.09em}
 .sec{margin:42px 20px 0}
 .sec-en{font-size:8px}
 .sec-t{font-size:17px;letter-spacing:.1em}
 .brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .brand-card{min-height:72px;padding:13px}
 .brand-card::after{right:11px}
 .brands-directory>.chips{grid-template-columns:repeat(2,minmax(0,1fr))}
 .brands-directory>.chips .chip{min-height:48px;padding-inline:10px;font-size:10px}
 .brands-search{margin-top:18px}
 .grid{padding-inline:20px;column-gap:12px;row-gap:32px}
 .card-img{aspect-ratio:3.7/4.8}
 .card-img::before{inset:5px}
 .card-badge{top:9px;left:9px}
 .card-angles{right:9px;bottom:9px}
 .card-name{font-size:12px;min-height:3.3em}
 .card-meta{align-items:flex-start;flex-direction:column;gap:2px}
 .about{padding:24px 20px}
 #view.detail{padding-top:12px}
 .dt-gallery{padding:0 10px}
 .dt-slide{aspect-ratio:4/4.55}
 .dt-info{margin:18px 20px 0;padding:23px 20px}
 .dt-count{right:20px;bottom:18px}
 .dt-thumbs{padding-inline:20px}
 .dt-colorbar{padding-inline:20px}
 .dt-promise{padding:18px}
 .adm{padding-inline:20px}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
 ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}
}