/* ============================================================================
   App Shell — 液态玻璃工作台外壳
   侧边栏 / 顶栏 / 页面骨架 / 业务块（统计卡、筛选栏、商品卡、步骤条、时间轴）
   依赖 tokens.css + glass.css
   ========================================================================== */

/* ============================================================================
   1. 外壳布局
   ========================================================================== */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns var(--dur-slow) var(--ease);
}
.shell[data-collapsed="true"] { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }

/* ---------- 侧边栏 ---------- */
.sidebar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 14px 12px;
  gap: 6px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.62), rgba(255,255,255,.44));
  -webkit-backdrop-filter: blur(var(--blur-l)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-l)) saturate(var(--sat));
  border-right: 1px solid var(--hairline-soft);
  box-shadow: inset -1px 0 0 rgba(255,255,255,.4);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 8px;
  margin-bottom: 6px;
  flex: none;
}
.brand-logo {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  flex: none;
  color: #fff;
  background: var(--grad-aurora);
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 6px 16px -6px rgba(94,92,230,.8);
}
.brand-name { font-size: 14.5px; font-weight: 720; letter-spacing: -0.02em; white-space: nowrap; }
.brand-sub { font-size: 10.5px; color: var(--t4); white-space: nowrap; letter-spacing: .02em; }
.shell[data-collapsed="true"] .brand-text { display: none; }

.nav { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; overflow-x: hidden; flex: 1; }
.nav-group {
  padding: 14px 10px 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--t4);
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
}
.shell[data-collapsed="true"] .nav-group { text-align: center; padding: 12px 0 4px; overflow: hidden; text-indent: -99px; }

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 550;
  color: var(--t2);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.nav-item svg { flex: none; }
.nav-item:hover {
  color: var(--t1);
  background: rgba(255,255,255,.62);
  border-color: var(--hairline-soft);
}
.nav-item.is-active {
  color: var(--t1);
  font-weight: 650;
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.7));
  border-color: var(--edge);
  box-shadow: inset 0 1px 0 #fff, 0 6px 18px -10px rgba(16,24,40,.4);
}
.nav-item.is-active::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 3px 3px 0;
  background: var(--grad-blue);
  box-shadow: 0 0 12px 1px color-mix(in srgb, var(--blue) 60%, transparent);
}
.nav-item .nav-badge {
  margin-left: auto;
  min-width: 20px;
  height: 18px;
  padding: 0 6px;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-rose);
  border-radius: var(--r-pill);
  box-shadow: 0 2px 8px -2px rgba(255,55,95,.7);
}
.shell[data-collapsed="true"] .nav-text,
.shell[data-collapsed="true"] .nav-badge { display: none; }
.shell[data-collapsed="true"] .nav-item { justify-content: center; padding: 0; }

.sidebar-foot { flex: none; padding-top: 8px; }
.usage-card {
  padding: 12px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(10,132,255,.14), rgba(191,90,242,.12));
  border: 1px solid var(--hairline-soft);
  box-shadow: inset 0 1px 0 var(--hairline-top);
}
.shell[data-collapsed="true"] .usage-card { display: none; }

/* ---------- 主区 ---------- */
.main { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; }

.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  height: var(--topbar-h);
  padding: 0 var(--sp-6);
  background: linear-gradient(180deg, rgba(255,255,255,.68), rgba(255,255,255,.44));
  -webkit-backdrop-filter: blur(var(--blur-l)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-l)) saturate(var(--sat));
  border-bottom: 1px solid var(--hairline-soft);
  box-shadow: inset 0 1px 0 var(--hairline-top);
}
.crumb { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--t3); }
.crumb b { color: var(--t1); font-weight: 650; }
.crumb .sep { color: var(--t4); opacity: .7; }
.topbar .grow { max-width: 420px; }
.icon-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  color: var(--t2);
  background: rgba(255,255,255,.45);
  border: 1px solid var(--hairline-soft);
  border-radius: 11px;
  cursor: pointer;
  box-shadow: inset 0 1px 0 var(--hairline-top);
  transition: all var(--dur) var(--ease);
}
.icon-btn:hover { color: var(--t1); background: rgba(255,255,255,.8); }
.icon-btn:active { transform: scale(.94); }
.icon-btn .dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--red);
  border: 1.5px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px 1px rgba(255,69,58,.7);
}
.user-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 12px 0 5px;
  background: rgba(255,255,255,.5);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-pill);
  cursor: pointer;
  box-shadow: inset 0 1px 0 var(--hairline-top);
  transition: all var(--dur) var(--ease);
}
.user-chip:hover { background: rgba(255,255,255,.86); box-shadow: inset 0 1px 0 #fff, var(--sh-2); }

/* ---------- 内容区 ---------- */
.content {
  flex: 1;
  padding: var(--sp-6);
  max-width: var(--page-max);
  width: 100%;
}
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-5); margin-bottom: var(--sp-5); }
.page-title { font-size: 22px; font-weight: 750; letter-spacing: -0.03em; line-height: 1.2; }
.page-desc { margin-top: 5px; font-size: 12.5px; color: var(--t3); }
.page-actions { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; }

/* ============================================================================
   2. 统计卡
   ========================================================================== */
.stat-grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.stat {
  position: relative;
  padding: 16px 18px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--g1), var(--g2));
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  border: 1px solid var(--edge);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-glass);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.stat:hover { transform: translateY(-3px); box-shadow: var(--sh-glass-lg); }
.stat::after {
  content: "";
  position: absolute;
  right: -30px; top: -40px;
  width: 130px; height: 130px;
  border-radius: 50%;
  opacity: .5;
  background: radial-gradient(circle, var(--tint, rgba(10,132,255,.35)), transparent 68%);
  filter: blur(6px);
}
.stat > * { position: relative; z-index: 1; }
.stat-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.stat-label { font-size: 12px; font-weight: 600; color: var(--t3); }
.stat-glyph {
  display: grid; place-items: center;
  width: 32px; height: 32px;
  color: #fff;
  background: var(--tint-solid, var(--grad-blue));
  border-radius: 11px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 6px 16px -6px color-mix(in srgb, var(--blue) 70%, transparent);
}
.stat-value { margin-top: 10px; font-size: 27px; font-weight: 760; letter-spacing: -0.035em; line-height: 1.1; }
.stat-value small { font-size: 12px; font-weight: 600; color: var(--t4); margin-left: 3px; letter-spacing: 0; }
.stat-foot { display: flex; align-items: center; gap: 7px; margin-top: 9px; font-size: 11.5px; color: var(--t3); }
.delta { display: inline-flex; align-items: center; gap: 2px; font-weight: 700; }
.delta.up { color: var(--green); }
.delta.down { color: var(--red); }
.spark { display: block; margin-top: 10px; width: 100%; height: 34px; }

/* ============================================================================
   3. 筛选栏 / 工具条
   ========================================================================== */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  padding: 10px 14px;
  margin-bottom: var(--sp-4);
  background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,.5));
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  border: 1px solid var(--edge);
  border-radius: var(--r-xl);
  box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-2);
}
.chips { display: flex; gap: 7px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 11px;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--t2);
  background: rgba(255,255,255,.5);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.chip:hover { color: var(--t1); background: rgba(255,255,255,.88); }
.chip.is-on {
  color: #fff;
  background: var(--grad-blue);
  border-color: transparent;
  box-shadow: 0 5px 14px -6px rgba(10,132,255,.8);
}

/* ============================================================================
   4. 商品卡（阿里式信息密度）
   ========================================================================== */
.goods-grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fill, minmax(232px, 1fr)); }
.goods {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(180deg, var(--g1), var(--g2));
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  border: 1px solid var(--edge);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-glass);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.goods:hover { transform: translateY(-4px); box-shadow: var(--sh-glass-lg); }
.goods-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(10,132,255,.10), rgba(191,90,242,.10));
}
.goods-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease); }
.goods:hover .goods-thumb img { transform: scale(1.06); }
.goods-flags { position: absolute; top: 9px; left: 9px; display: flex; gap: 5px; }
.goods-fav {
  position: absolute; top: 9px; right: 9px;
  display: grid; place-items: center;
  width: 28px; height: 28px;
  color: var(--t2);
  background: rgba(255,255,255,.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-radius: 50%;
  box-shadow: var(--sh-1);
  transition: all var(--dur) var(--ease);
}
.goods-fav:hover { color: var(--red); transform: scale(1.1); }
.goods-body { padding: 11px 13px 13px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.goods-name { font-size: 13px; font-weight: 600; color: var(--t1); line-height: 1.45; min-height: 38px; }
.goods-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 11.5px; color: var(--t3); }
.goods-price { display: flex; align-items: flex-end; justify-content: space-between; gap: 8px; margin-top: auto; }
.price-now { font-size: 18px; font-weight: 780; letter-spacing: -0.03em; color: var(--t1); }
.price-now i { font-size: 11.5px; font-weight: 650; font-style: normal; margin-right: 1px; }
.price-now .unit { font-size: 11px; color: var(--t4); font-weight: 550; margin-left: 2px; }
.price-old { font-size: 11.5px; color: var(--t4); text-decoration: line-through; }
.goods-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding-top: 9px;
  border-top: 1px solid var(--hairline-soft);
}

/* ============================================================================
   5. 键值 / 参数 / 阶梯价
   ========================================================================== */
.kv { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 10px 16px; font-size: 12.5px; }
.kv dt { color: var(--t3); white-space: nowrap; }
.kv dd { margin: 0; color: var(--t1); font-weight: 550; word-break: break-word; }
.kv-2 { grid-template-columns: auto minmax(0,1fr) auto minmax(0,1fr); }

.spec-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 12.5px; }
.spec-table th,
.spec-table td { padding: 8px 14px; text-align: left; border-bottom: 1px solid var(--hairline-soft); }
.spec-table thead th {
  font-size: 11.5px; font-weight: 650; color: var(--t3);
  background: rgba(255,255,255,.5);
}
.spec-table tbody tr:hover { background: rgba(255,255,255,.45); }
.spec-table .price { font-family: var(--font-num); font-weight: 700; color: var(--t1); }
.spec-table tbody tr:last-child td { border-bottom: 0; }

/* ============================================================================
   6. 平台卡 / 店铺卡
   ========================================================================== */
.plat-grid { display: grid; gap: var(--sp-3); grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.plat {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.52));
  -webkit-backdrop-filter: blur(var(--blur-s)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-s)) saturate(var(--sat));
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-1);
  transition: all var(--dur) var(--ease);
}
.plat:hover { transform: translateY(-2px); box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-3); }
.plat-logo {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  flex: none;
  font-size: 12px; font-weight: 800; color: #fff;
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 5px 14px -6px rgba(0,0,0,.4);
  overflow: hidden;
}
.plat-logo img { width: 100%; height: 100%; object-fit: cover; }
.plat-name { font-size: 13px; font-weight: 650; }
.plat-sub { font-size: 11px; color: var(--t4); }
.plat-state { margin-left: auto; }

/* ============================================================================
   7. 步骤条
   ========================================================================== */
.steps { display: flex; align-items: center; gap: 0; }
.step { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.step-dot {
  display: grid; place-items: center;
  width: 28px; height: 28px;
  flex: none;
  font-size: 12px; font-weight: 700;
  color: var(--t3);
  background: rgba(255,255,255,.6);
  border: 1px solid var(--hairline);
  border-radius: 50%;
  box-shadow: inset 0 1px 0 var(--hairline-top);
  transition: all var(--dur) var(--ease);
}
.step-line { flex: 1; height: 2px; margin: 0 12px; background: var(--hairline-soft); border-radius: 2px; }
.step-text { font-size: 12.5px; font-weight: 600; color: var(--t3); white-space: nowrap; }
.step.is-done .step-dot { color: #fff; background: var(--grad-mint); border-color: transparent; }
.step.is-done .step-text { color: var(--t2); }
.step.is-now .step-dot {
  color: #fff;
  background: var(--grad-blue);
  border-color: transparent;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 20%, transparent), 0 6px 16px -6px rgba(10,132,255,.8);
}
.step.is-now .step-text { color: var(--t1); font-weight: 700; }
.step.is-done .step-line { background: linear-gradient(90deg, var(--green), var(--hairline-soft)); }

/* ============================================================================
   8. 时间轴
   ========================================================================== */
.timeline { position: relative; padding-left: 22px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--hairline), var(--hairline-soft));
  border-radius: 2px;
}
.tl-item { position: relative; padding-bottom: 16px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -21px; top: 4px;
  width: 9px; height: 9px;
  background: #fff;
  border: 2px solid var(--t4);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255,255,255,.7);
}
.tl-item.is-now::before { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 22%, transparent); }
.tl-item.is-done::before { border-color: var(--green); }
.tl-time { font-size: 11.5px; color: var(--t4); font-family: var(--font-num); }
.tl-title { font-size: 12.5px; font-weight: 650; color: var(--t1); }
.tl-desc { font-size: 12px; color: var(--t3); }

/* ============================================================================
   9. Tabs
   ========================================================================== */
.tabs { display: flex; gap: 2px; padding: 3px; background: rgba(255,255,255,.42); border: 1px solid var(--hairline-soft); border-radius: var(--r-pill); box-shadow: var(--sh-inner); overflow-x: auto; }
.tab {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 15px;
  font: inherit; font-size: 12.5px; font-weight: 600;
  color: var(--t3);
  white-space: nowrap;
  background: none; border: 0; border-radius: var(--r-pill);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.tab:hover { color: var(--t1); }
.tab.is-active {
  color: var(--t1);
  background: linear-gradient(180deg, #fff, rgba(255,255,255,.84));
  box-shadow: inset 0 1px 0 #fff, 0 1px 3px rgba(16,24,40,.14);
}
.tab .n { font-size: 11px; color: var(--t4); font-family: var(--font-num); }

/* ============================================================================
   10. 分栏（详情页：主内容 + 粘性侧栏）
   ========================================================================== */
.split { display: grid; gap: var(--sp-5); grid-template-columns: minmax(0, 1fr) 336px; align-items: start; }
.split-side { position: sticky; top: calc(var(--topbar-h) + var(--sp-4)); display: flex; flex-direction: column; gap: var(--sp-4); }
.split-2 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); align-items: start; }
@media (max-width: 1180px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .split-side { position: static; }
}

/* 左侧筛选栏 */
.filter-rail { display: grid; gap: var(--sp-4); grid-template-columns: 218px minmax(0, 1fr); align-items: start; }
.rail { position: sticky; top: calc(var(--topbar-h) + var(--sp-4)); display: flex; flex-direction: column; gap: var(--sp-4); }
.rail-sec { padding: 13px 14px; }
.rail-title { font-size: 12.5px; font-weight: 680; margin-bottom: 9px; display: flex; align-items: center; justify-content: space-between; }
.rail-list { display: flex; flex-direction: column; gap: 1px; }
.rail-link {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  height: 29px; padding: 0 9px;
  font-size: 12.5px; color: var(--t2);
  border-radius: 9px; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.rail-link:hover { color: var(--t1); background: rgba(255,255,255,.7); }
.rail-link.is-on { color: var(--t1); font-weight: 650; background: rgba(255,255,255,.9); box-shadow: inset 0 1px 0 #fff, var(--sh-1); }
.rail-link .n { font-size: 11px; color: var(--t4); font-family: var(--font-num); }
@media (max-width: 1000px) { .filter-rail { grid-template-columns: minmax(0,1fr); } .rail { position: static; } }

/* ============================================================================
   11. 图表容器
   ========================================================================== */
.chart { width: 100%; display: block; overflow: visible; }
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--t3); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; }
.chart-tip { font-size: 11.5px; fill: var(--t4); font-family: var(--font-num); }
.chart-grid { stroke: var(--hairline-soft); stroke-width: 1; }

/* 迷你条（列表内进度） */
.minibar { display: flex; align-items: center; gap: 8px; }
.minibar .bar { flex: 1; max-width: 96px; }

/* ============================================================================
   12. 结果 / 状态页
   ========================================================================== */
.hero-card {
  position: relative;
  padding: 26px 28px;
  overflow: hidden;
  color: #fff;
  background: var(--grad-aurora);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: var(--r-2xl);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 24px 60px -24px rgba(94,92,230,.8);
}
.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 200px at 85% -20%, rgba(255,255,255,.42), transparent 70%);
  pointer-events: none;
}
.hero-card > * { position: relative; z-index: 1; }
.hero-card .glass-inset { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.28); }

/* 漂浮操作坞（macOS Dock 风） */
.dock {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: rgba(255,255,255,.62);
  -webkit-backdrop-filter: blur(var(--blur-l)) saturate(var(--sat-hi));
  backdrop-filter: blur(var(--blur-l)) saturate(var(--sat-hi));
  border: 1px solid var(--edge);
  border-radius: var(--r-pill);
  box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-4);
}
.dock button {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  color: var(--t2);
  background: transparent;
  border: 0; border-radius: var(--r-pill);
  cursor: pointer;
  transition: all var(--dur) var(--spring);
}
.dock button:hover {
  color: var(--t1);
  background: rgba(255,255,255,.9);
  transform: translateY(-5px) scale(1.12);
  box-shadow: var(--sh-2);
}

/* ============================================================================
   13. 响应式
   ========================================================================== */
@media (max-width: 900px) {
  .shell { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
  .shell .brand-text, .shell .nav-text, .shell .nav-badge, .shell .usage-card { display: none; }
  .shell .nav-item { justify-content: center; padding: 0; }
  .content { padding: var(--sp-4); }
  .topbar { padding: 0 var(--sp-4); }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); }
  .goods-grid { grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)); }
}