/* ===== v2.1 collection view + selected styles ===== */
body.incol > section,body.incol > footer,body.incol > header.top,body.incol > #sticky{display:none!important}
#cview{display:none;min-height:100vh;background:var(--bg2)}
body.incol #cview{display:block}
.ctop{position:fixed;top:0;left:0;right:0;z-index:70;display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top) + 12px) 18px 12px;
  background:rgba(20,16,11,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(194,164,106,.14)}
.ctop a{font-size:13px;letter-spacing:1px;color:var(--ink-dim);display:inline-flex;align-items:center;gap:8px}
.ctop .csel{color:var(--gold2);font-family:var(--serif);font-size:15.5px}
.ctop .cnt{min-width:20px;height:20px;border-radius:50%;background:var(--gold);color:#1c1409;font-family:var(--sans);
  font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}
.chead{padding:calc(env(safe-area-inset-top) + 88px) 22px 6px;text-align:center}
.chead .emblem{width:64px;height:64px;object-fit:contain;margin:0 auto 12px;display:block;filter:drop-shadow(0 0 12px rgba(194,164,106,.45))}
.chead .orn2{color:var(--gold);font-size:20px;margin-bottom:10px}
.chead h1{font-family:var(--serif);font-weight:600;font-size:clamp(36px,10vw,48px);letter-spacing:1px;line-height:1.05}
.chead .tags{font-family:var(--serif);font-style:italic;color:var(--gold2);margin-top:10px;letter-spacing:1px}
.cinfo{margin:22px 22px 4px;border:1px solid var(--line);border-radius:14px;padding:15px 16px;text-align:center;
  color:var(--ink-dim);font-family:var(--serif);font-style:italic;font-size:15.5px;line-height:1.65}
.style-block{padding:36px 0 4px}
.sb-head{display:flex;align-items:center;gap:12px;padding:0 22px}
.sb-head h3{font-family:var(--serif);font-weight:600;font-size:26px;letter-spacing:.5px}
.badge{font-size:9.5px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);border:1px solid var(--line);
  border-radius:99px;padding:4px 10px;white-space:nowrap}
.track{display:flex;gap:12px;overflow-x:auto;padding:14px 22px 4px;scroll-snap-type:x mandatory;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.track .it{width:46%;flex:0 0 auto;aspect-ratio:3/4;border-radius:18px;overflow:hidden;position:relative;
  border:1px solid var(--line);scroll-snap-align:start;box-shadow:0 10px 26px rgba(0,0,0,.35)}
.track .it img{width:100%;height:100%;object-fit:cover}
.ph-tile{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px}
.ph-tile .num{font-family:var(--serif);font-size:46px;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(194,164,106,.55)}
.ph-tile .lb{font-size:9px;letter-spacing:2.5px;text-transform:uppercase;color:rgba(244,235,221,.36)}
.sb-foot{display:flex;justify-content:flex-end;padding:12px 22px 0}
.selbtn{font-size:13px;font-weight:600;letter-spacing:.5px;color:var(--gold2);border:1px solid rgba(194,164,106,.5);
  border-radius:99px;padding:11px 22px;background:none;font-family:var(--sans);cursor:pointer;transition:all .25s}
.selbtn.sel{background:linear-gradient(135deg,#EFD9A7,var(--gold));color:#1c1409;border-color:transparent;
  box-shadow:0 4px 18px rgba(194,164,106,.35)}
.cfoot{margin-top:46px;padding:46px 22px calc(env(safe-area-inset-bottom) + 130px);text-align:center;
  border-top:1px solid rgba(194,164,106,.14)}
.cfoot h4{font-family:var(--serif);font-weight:600;font-size:28px;letter-spacing:.5px}
.cfoot .l1{color:var(--ink-dim);font-size:13.5px;margin-top:12px;line-height:1.9}
.cfoot .pr{font-family:var(--serif);font-size:30px;color:var(--gold2);margin-top:14px}
.cfoot .pr s{font-size:18px;color:var(--ink-faint);margin-left:10px}
.cfoot .still{margin-top:26px;font-family:var(--serif);font-style:italic;color:var(--ink-dim);font-size:15px;line-height:1.75}
#selbar{position:fixed;left:14px;right:14px;bottom:calc(env(safe-area-inset-bottom) + 14px);z-index:80;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgba(28,20,12,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(194,164,106,.4);border-radius:99px;
  padding:15px 22px;box-shadow:0 12px 34px rgba(0,0,0,.55);cursor:pointer;
  transform:translateY(160%);transition:transform .45s cubic-bezier(.2,.7,.2,1)}
#selbar.on{transform:none}
#selbar .t{font-family:var(--serif);font-size:16.5px;color:var(--gold2)}
#selbar .r{font-size:13px;color:var(--ink-dim);letter-spacing:.5px;white-space:nowrap}
#shade{position:fixed;inset:0;z-index:90;background:rgba(10,8,5,.62);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
#sheet{position:fixed;left:0;right:0;bottom:0;z-index:91;background:#241810;border-radius:22px 22px 0 0;
  border:1px solid rgba(194,164,106,.3);border-bottom:none;padding:10px 22px calc(env(safe-area-inset-bottom) + 22px);
  transform:translateY(105%);transition:transform .45s cubic-bezier(.2,.7,.2,1);max-height:82vh;overflow-y:auto}
body.sheet-open #shade{opacity:1;visibility:visible}
body.sheet-open #sheet{transform:none}
#sheet .grab{width:40px;height:4px;border-radius:4px;background:rgba(194,164,106,.4);margin:8px auto 16px}
#sheet h3{font-family:var(--serif);font-weight:600;font-size:24px;text-align:center;letter-spacing:.5px}
#sheet .items{margin:14px 0 2px}
#sheet .item{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(194,164,106,.14)}
#sheet .item .nm{font-family:var(--serif);font-size:17px}
#sheet .item .rm{background:none;border:none;color:var(--ink-faint);font-size:19px;cursor:pointer;padding:4px 10px}
#sheet .pinfo{margin-top:15px;color:var(--ink-dim);font-size:13px;line-height:2.1}
#sheet .pinfo b{color:var(--gold2);font-weight:600}
#sheet .send{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;margin-top:18px;padding:16px;
  border:none;border-radius:99px;font-weight:700;font-size:15px;letter-spacing:.5px;color:#1c1409;cursor:pointer;
  background:linear-gradient(135deg,#EFD9A7 0%,var(--gold) 55%,#a8894f 100%);box-shadow:0 6px 26px rgba(194,164,106,.4)}
#sheet .keep{display:block;width:100%;background:none;border:none;color:var(--ink-dim);font-size:13.5px;
  margin-top:15px;letter-spacing:.5px;cursor:pointer;font-family:var(--sans)}
#sheet .empty{text-align:center;padding:14px 0 4px;color:var(--ink-dim)}
#sheet .empty .e1{font-family:var(--serif);font-size:20px;color:var(--ink)}
#sheet .empty .e2{font-size:13px;margin-top:9px;line-height:1.7}
#sheet .empty .still{font-family:var(--serif);font-style:italic;font-size:14px;margin-top:16px;line-height:1.75}
@media(min-width:940px){
  .ctop{padding:16px 44px}
  .chead{padding-top:130px}
  .cwrap{max-width:1000px;margin:0 auto}
  .cinfo{max-width:560px;margin:26px auto 4px}
  .track .it{width:230px}
  .track,.sb-head,.sb-foot{padding-left:40px;padding-right:40px}
  #sheet{left:50%;right:auto;width:540px;transform:translate(-50%,105%)}
  body.sheet-open #sheet{transform:translate(-50%,0)}
  #selbar{left:auto;right:34px;bottom:30px;min-width:360px}
}

/* ===== v2.2 legal + image preview ===== */
footer .flk{color:var(--ink-dim);cursor:pointer;border-bottom:1px solid rgba(194,164,106,.3);padding-bottom:1px}
#sheet .agree{margin-top:14px;font-size:11.5px;color:var(--ink-faint);text-align:center;line-height:1.65}
#sheet .agree span{color:var(--ink-dim);border-bottom:1px solid rgba(194,164,106,.4);cursor:pointer}
#sheet .legal-title{font-family:var(--serif);font-weight:600;font-size:24px;text-align:center;letter-spacing:.5px}
#sheet .legal-body{margin-top:14px;color:var(--ink-dim);font-size:13.5px;line-height:1.8}
#sheet .legal-body p{margin:0 0 10px}
#pv{position:fixed;inset:0;z-index:95;background:rgba(10,8,5,.84);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
#pv.show{opacity:1;visibility:visible}
.pv-panel{position:relative;width:min(84vw,56vh)}
.pv-stage{width:100%;aspect-ratio:3/4;border-radius:20px;overflow:hidden;border:1px solid var(--gold);
  box-shadow:0 30px 80px rgba(0,0,0,.7);background:#1a1209}
.pv-stage img{width:100%;height:100%;object-fit:cover;display:block}
.pv-stage .ph-tile{width:100%;height:100%}
.pv-x{position:absolute;top:-48px;right:0;width:38px;height:38px;border-radius:50%;border:1px solid rgba(194,164,106,.5);
  background:rgba(28,20,12,.72);color:var(--ink);font-size:20px;line-height:1;cursor:pointer}
.pv-prev,.pv-next{position:absolute;top:42%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;z-index:2;
  border:1px solid rgba(194,164,106,.5);background:rgba(28,20,12,.75);color:var(--gold2);font-size:22px;line-height:1;cursor:pointer}
.pv-prev{left:-13px}.pv-next{right:-13px}
.pv-meta{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.pv-style{font-family:var(--serif);font-size:16px}
.pv-count{font-size:12px;color:var(--ink-faint);letter-spacing:1px}
.pv-sel{display:block;margin:13px auto 0;font-size:13px;font-weight:600;letter-spacing:.5px;color:var(--gold2);
  border:1px solid rgba(194,164,106,.5);border-radius:99px;padding:11px 26px;background:none;cursor:pointer;
  font-family:var(--sans);transition:all .25s}
.pv-sel.sel{background:linear-gradient(135deg,#EFD9A7,var(--gold));color:#1c1409;border-color:transparent}
@media(min-width:940px){
  .pv-panel{width:min(38vw,58vh)}
  .pv-prev{left:-58px}.pv-next{right:-58px}
}

/* ===== v2.3 preview adapts to image orientation (no crop / no letterbox, 同原官网) ===== */
.pv-panel{width:auto;max-width:88vw;display:flex;flex-direction:column;align-items:center}
.pv-stage{width:auto;aspect-ratio:auto;border:none;box-shadow:none;background:none;border-radius:0;overflow:visible}
.pv-stage img{max-width:84vw;max-height:68vh;width:auto;height:auto;object-fit:contain;display:block;
  border-radius:20px;border:1px solid var(--gold);box-shadow:0 30px 80px rgba(0,0,0,.7)}
.pv-stage .ph-tile{width:min(76vw,52vh);aspect-ratio:3/4;border-radius:20px;border:1px solid var(--gold);
  box-shadow:0 30px 80px rgba(0,0,0,.7)}
.pv-meta{width:100%;min-width:min(76vw,340px)}
@media(min-width:940px){
  .pv-panel{max-width:none}
  .pv-stage img{max-width:min(52vw,720px);max-height:72vh}
  .pv-stage .ph-tile{width:min(30vw,50vh)}
}