/* SK Showroom —— 官网产品四级钻取展示组件（透明抠图 × 设计舞台）
   主题：跟随官网 html.dark 类切换（light 为默认） */
.skshow, .skshow-detail, .skshow-toast {
  --sr-accent: #c8a55c;
  --sr-radius: 16px;
  --sr-bg: #eef1f5; --sr-panel: #ffffff; --sr-panel-2: #f4f6fa;
  --sr-line: rgba(15,25,40,.10); --sr-line-2: rgba(15,25,40,.18);
  --sr-text: #171d26; --sr-text-2: #5a6675; --sr-text-3: #93a0af;
  --sr-glow: rgba(199,164,94,.25); --sr-glow-2: rgba(96,142,210,.14);
  --sr-stage-top: #ffffff; --sr-stage-bot: #e8edf3;
  --sr-grid: rgba(30,50,80,.07); --sr-floor: rgba(206,214,224,.85);
  --sr-ring: rgba(178,142,72,.35); --sr-chip: rgba(15,25,40,.06);
  --sr-shadow: 0 26px 64px rgba(25,40,70,.20);
}
html.dark .skshow, html.dark .skshow-detail, html.dark .skshow-toast {
  --sr-bg: #070b12; --sr-panel: #0e1522; --sr-panel-2: #131c2c;
  --sr-line: rgba(255,255,255,.08); --sr-line-2: rgba(255,255,255,.16);
  --sr-text: #e9edf3; --sr-text-2: #9aa6b6; --sr-text-3: #5d6b7d;
  --sr-glow: rgba(199,164,94,.16); --sr-glow-2: rgba(96,142,210,.12);
  --sr-stage-top: #101a2a; --sr-stage-bot: #080d16;
  --sr-grid: rgba(140,170,220,.07); --sr-floor: rgba(3,6,11,.72);
  --sr-ring: rgba(199,164,94,.20); --sr-chip: rgba(255,255,255,.07);
  --sr-shadow: 0 26px 64px rgba(0,0,0,.6);
}
.skshow { color: var(--sr-text); border-top: 1px solid var(--sr-line); }
.skshow *, .skshow-detail * { margin: 0; padding: 0; box-sizing: border-box; }
.skshow button, .skshow-detail button { font-family: inherit; cursor: pointer; }
.sk-inner { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.sk-loading { padding: 90px 0; text-align: center; color: var(--sr-text-3); font-size: 14px; letter-spacing: .12em; }

/* 面包屑 */
.sk-crumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 30px 0 8px; font-size: 14px; }
.sk-crumbs a { color: var(--sr-text-2); text-decoration: none; cursor: pointer; transition: .2s; }
.sk-crumbs a:hover { color: var(--sr-accent); }
.sk-crumbs .sep { color: var(--sr-text-3); }
.sk-crumbs .cur { color: var(--sr-text); font-weight: 600; }

/* 层级视图 */
.sk-view { padding: 20px 0 90px; animation: skvin .45s cubic-bezier(.2,.7,.3,1); }
@keyframes skvin { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.sk-vhead { display: flex; align-items: baseline; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.sk-vhead h1 { font-size: 30px; font-weight: 700; letter-spacing: .02em; }
.sk-vhead .en { color: var(--sr-text-3); font-size: 13px; letter-spacing: .28em; text-transform: uppercase; }
.sk-vhead .cnt { color: var(--sr-accent); font-size: 14px; }

/* 分类卡片 */
.sk-cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.sk-cat-card { position: relative; overflow: hidden; border: 1px solid var(--sr-line); border-radius: var(--sr-radius);
  background: linear-gradient(160deg, var(--sr-panel), var(--sr-panel-2)); padding: 24px 22px; min-height: 120px;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 6px; transition: .3s; cursor: pointer; }
.sk-cat-card::before { content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 85% 0%, var(--sr-glow), transparent 60%); opacity: 0; transition: .3s; }
.sk-cat-card:hover { transform: translateY(-4px); border-color: var(--sr-accent); box-shadow: var(--sr-shadow); }
.sk-cat-card:hover::before { opacity: 1; }
.sk-cat-card .cn { font-size: 18px; font-weight: 600; }
.sk-cat-card .ce { font-size: 11px; color: var(--sr-text-3); letter-spacing: .18em; text-transform: uppercase; }
.sk-cat-card .cc { font-size: 12px; color: var(--sr-accent); }
.sk-cat-card .arrow { position: absolute; top: 18px; right: 18px; color: var(--sr-text-3); transition: .3s; }
.sk-cat-card:hover .arrow { color: var(--sr-accent); transform: translateX(4px); }
.sk-cat-card.empty { opacity: .45; cursor: default; }
.sk-cat-card.empty:hover { transform: none; border-color: var(--sr-line); box-shadow: none; }

/* 产品舞台：透明产品 × 设计场景 */
.sk-p-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }
.sk-p-card { position: relative; border: 1px solid var(--sr-line); border-radius: var(--sr-radius); overflow: hidden;
  background: var(--sr-panel); transition: transform .35s, border-color .35s, box-shadow .35s; cursor: pointer; }
.sk-p-card:hover { transform: translateY(-6px); border-color: var(--sr-accent); box-shadow: var(--sr-shadow); }
.sk-p-card .tk { position: absolute; width: 15px; height: 15px; z-index: 5; opacity: 0; transition: .3s; pointer-events: none; }
.sk-p-card .tk.tl { top: 10px; left: 10px; border-top: 1.5px solid var(--sr-accent); border-left: 1.5px solid var(--sr-accent); }
.sk-p-card .tk.tr { top: 10px; right: 10px; border-top: 1.5px solid var(--sr-accent); border-right: 1.5px solid var(--sr-accent); }
.sk-p-card .tk.bl { bottom: 10px; left: 10px; border-bottom: 1.5px solid var(--sr-accent); border-left: 1.5px solid var(--sr-accent); }
.sk-p-card .tk.br { bottom: 10px; right: 10px; border-bottom: 1.5px solid var(--sr-accent); border-right: 1.5px solid var(--sr-accent); }
.sk-p-card:hover .tk { opacity: .8; }

.sk-stage { position: relative; aspect-ratio: 4/3.4; overflow: hidden; display: grid; place-items: center;
  background:
    radial-gradient(85% 65% at 50% 32%, var(--sr-glow), transparent 68%),
    radial-gradient(70% 55% at 78% 20%, var(--sr-glow-2), transparent 70%),
    linear-gradient(180deg, var(--sr-stage-top), var(--sr-stage-bot)); }
.sk-stage::before { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--sr-grid) 1px, transparent 1px), linear-gradient(90deg, var(--sr-grid) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(72% 62% at 50% 38%, #000 25%, transparent 78%);
  mask-image: radial-gradient(72% 62% at 50% 38%, #000 25%, transparent 78%); }
.sk-stage::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 36%;
  background: linear-gradient(180deg, transparent, var(--sr-floor)); }
.sk-stage-ring { position: absolute; z-index: 1; top: 54%; left: 50%; width: 76%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--sr-ring); transform: translate(-50%,-50%) scaleY(.30); }
.sk-stage-ring.r2 { width: 56%; border-style: dashed; opacity: .6; }
.sk-stage-img { position: relative; z-index: 3; max-width: 74%; max-height: 64%; object-fit: contain;
  filter: drop-shadow(0 26px 22px rgba(0,0,0,.5));
  -webkit-box-reflect: below 4px linear-gradient(transparent 64%, rgba(0,0,0,.20));
  transition: transform .5s cubic-bezier(.2,.7,.3,1), filter .5s; }
.sk-p-card:hover .sk-stage-img { transform: translateY(-8px) scale(1.03);
  filter: drop-shadow(0 36px 30px rgba(0,0,0,.55)); }
.sk-p-meta { padding: 16px 20px 18px; border-top: 1px solid var(--sr-line); position: relative; z-index: 4; background: var(--sr-panel); }
.sk-p-meta h3 { font-size: 16px; font-weight: 600; }
.sk-p-meta .pm { margin-top: 5px; font-size: 12.5px; color: var(--sr-text-2); display: flex; gap: 10px; align-items: baseline; }
.sk-p-meta .pm b { letter-spacing: .04em; }
.sk-brand { color: var(--sr-accent); font-size: 11px; font-weight: 600; letter-spacing: .10em; text-transform: uppercase; border: 1px solid var(--sr-accent); border-radius: 3px; padding: 1px 6px; opacity: .85; }
.sk-p-cat { margin-top: 6px; font-size: 11.5px; color: var(--sr-text-3); letter-spacing: .04em; }

/* 产品详情浮层 */
.skshow-detail { position: fixed; inset: 0; z-index: 3000; display: none; overflow-y: auto;
  background: var(--sr-bg); color: var(--sr-text); font-family: inherit;
  animation: skvin .4s cubic-bezier(.2,.7,.3,1); }
.skshow-detail.on { display: block; }
.skd-wrap { max-width: 1200px; margin: 0 auto; padding: 30px 40px 90px; }
.skd-close { position: fixed; top: 20px; right: 26px; z-index: 3110; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--sr-line-2); background: var(--sr-chip); color: var(--sr-text); font-size: 20px; transition: .25s; }
.skd-close:hover { border-color: var(--sr-accent); color: var(--sr-accent); transform: rotate(90deg); }
.skd-crumbs { font-size: 13px; color: var(--sr-text-2); margin-bottom: 14px; }
.skd-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 46px; margin-top: 20px; }
.skd-stage { position: sticky; top: 30px; align-self: start; }
.skd-stage .sk-stage { aspect-ratio: 1/1; border: 1px solid var(--sr-line); border-radius: 20px; }
.skd-stage .sk-stage-img { max-width: 78%; max-height: 70%; }
.skd-dots { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.skd-dot { width: 9px; height: 9px; border-radius: 50%; border: 1px solid var(--sr-line-2); background: var(--sr-chip); transition: .25s; }
.skd-dot.on { background: var(--sr-accent); border-color: var(--sr-accent); }
.skd-arrow { position: absolute; z-index: 6; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--sr-line-2); background: var(--sr-chip); color: var(--sr-text); font-size: 24px; line-height: 1;
  display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: .75; transition: .25s;
  backdrop-filter: blur(6px); }
.skd-arrow:hover { opacity: 1; border-color: var(--sr-accent); color: var(--sr-accent); transform: translateY(-50%) scale(1.08); }
.skd-arrow.prev { left: 14px; }
.skd-arrow.next { right: 14px; }
#skdImg { transition: opacity .18s ease, transform .5s cubic-bezier(.2,.7,.3,1), filter .5s; user-select: none; -webkit-user-drag: none; }
#skdImg.fade { opacity: 0; }
#skdStage { cursor: grab; }
#skdStage:active { cursor: grabbing; }
.skd-name { font-size: 32px; font-weight: 700; }
.skd-model { font-size: 15px; color: var(--sr-text-2); margin-top: 8px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.skd-model b { color: var(--sr-text); font-size: 19px; letter-spacing: .05em; }
.skd-cta { margin: 26px 0 8px; display: flex; gap: 12px; flex-wrap: wrap; }
.skd-btn-gold { background: linear-gradient(135deg, var(--sr-accent), #dcc188); color: #191d24; border: none;
  border-radius: 10px; padding: 13px 28px; font-size: 15px; font-weight: 700; transition: .25s; }
.skd-btn-gold:hover { filter: brightness(1.08); transform: translateY(-1px); }
.skd-btn-ghost { display: inline-block; border: 1px solid var(--sr-line-2); background: transparent; color: var(--sr-text-2);
  border-radius: 10px; padding: 13px 22px; font-size: 14px; text-decoration: none; transition: .25s; }
.skd-btn-ghost:hover { border-color: var(--sr-accent); color: var(--sr-accent); }
.skd-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin: 26px 0; }
.skd-stat { border: 1px solid var(--sr-line); border-radius: 10px; padding: 12px 14px; background: var(--sr-panel); }
.skd-stat .k { font-size: 11px; color: var(--sr-text-3); margin-bottom: 5px; }
.skd-stat .v { font-size: 14.5px; font-weight: 600; color: var(--sr-text); line-height: 1.35; }
.skd-sec-title { font-size: 16px; font-weight: 700; margin-top: 14px; padding-bottom: 10px;
  border-bottom: 2px solid var(--sr-accent); display: inline-block; }
.skd-spec-table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.skd-spec-table th, .skd-spec-table td { text-align: left; padding: 10px 14px; font-size: 13.5px; border-bottom: 1px solid var(--sr-line); }
.skd-spec-table th { color: var(--sr-text-2); font-weight: 500; width: 38%; }
.skd-spec-table td { color: var(--sr-text); word-break: break-word; }

/* 询价提示 */
.skshow-toast { position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(20px); z-index: 4000;
  background: var(--sr-panel); color: var(--sr-text); border: 1px solid var(--sr-accent); border-radius: 999px;
  padding: 12px 26px; font-size: 14px; box-shadow: var(--sr-shadow); opacity: 0; transition: .3s; pointer-events: none; }
.skshow-toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 移动端 */
@media (max-width: 900px) {
  .skd-grid { grid-template-columns: 1fr; }
  .skd-stage { position: static; }
}
@media (max-width: 640px) {
  .sk-inner { padding: 0 20px; }
  .sk-vhead h1 { font-size: 24px; }
  .sk-view { padding: 16px 0 60px; }
  .sk-p-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .sk-cat-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .skd-wrap { padding: 24px 20px 70px; }
  .skd-name { font-size: 24px; }
  .skd-close { top: 12px; right: 14px; }
}