/*
 * ═══════════════════════════════════════════════════════
 *  晴玖天商城 · 前台通用基座 base.css
 *  Style: Warm (暖色 SaaS 风)
 *  抽自 assets/admin/css/admin-v4.css，仅保留与后台布局无关的地基：
 *  设计 token + 通用组件类（Card/Table/Badge/Button/Form/Tabs/
 *  Pagination/Modal/Toast/Empty/Skeleton/Dropdown/Toggle/Accordion）
 *  + 末尾 C 端组件类（goods-card / cart / sku / pay-method …）。
 *  皮肤覆盖交给各模板的 app.css，本文件不写皮肤。
 * ═══════════════════════════════════════════════════════
 */

/* ── Reset（仅 box-sizing） ── */
*, *::before, *::after { box-sizing: border-box; }

/* ── Design Tokens ── */
:root {
  /* 主色 */
  --primary: #e85d04;
  --primary-hover: #d45203;
  --primary-light: #fff4ed;
  --primary-glow: rgba(232,93,4,.1);
  --primary-gradient: linear-gradient(135deg, #e85d04, #fb923c);

  /* 状态色 */
  --success: #16a34a;   --success-bg: #f0fdf4;
  --warning: #ca8a04;   --warning-bg: #fefce8;
  --danger: #dc2626;    --danger-bg: #fef2f2;
  --info: #0284c7;      --info-bg: #f0f9ff;

  /* 中性色 */
  --bg-body: #faf8f5;
  --bg-card: #ffffff;
  --bg-warm: #f5f0eb;
  --bg-input: #faf8f5;
  --border: #ede8e3;
  --border-focus: var(--primary);
  --text-1: #1c1917;
  --text-2: #57534e;
  --text-3: #a8a29e;

  /* 圆角 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(28,25,23,.04);
  --shadow-sm: 0 2px 8px rgba(28,25,23,.05);
  --shadow: 0 4px 16px rgba(28,25,23,.06);
  --shadow-md: 0 6px 24px rgba(28,25,23,.07);
  --shadow-lg: 0 12px 40px rgba(28,25,23,.08);

  /* 过渡 */
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --transition-fast: .15s cubic-bezier(.4,0,.2,1);
}

/* ── 暗色模式 ── */
[data-theme="dark"] {
  --bg-body: #0c0a09;
  --bg-card: #1c1917;
  --bg-warm: #292524;
  --bg-input: #292524;
  --border: #44403c;
  --text-1: #fafaf9;
  --text-2: #a8a29e;
  --text-3: #78716c;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.2);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.2);
  --shadow: 0 4px 16px rgba(0,0,0,.25);
  --shadow-md: 0 6px 24px rgba(0,0,0,.28);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.3);
  /* 语义色暗色适配:前景略提亮以在深底上可读,柔和底改为半透明深色调(原浅色底在暗色卡片上会发白刺眼) */
  --success: #4ade80;   --success-bg: rgba(34,197,94,.15);
  --warning: #fbbf24;   --warning-bg: rgba(202,138,4,.16);
  --danger: #f87171;    --danger-bg: rgba(220,38,38,.18);
  --info: #38bdf8;      --info-bg: rgba(2,132,199,.16);
}

/* ── Base ── */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-1);
  line-height: 1.55;
  font-size: 14px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary-hover); }

[v-cloak] { display: none !important; }

/* ══════════════════════════════════════════
   COMPONENTS
   ══════════════════════════════════════════ */

/* ── Card ── */
.v4-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  overflow: hidden;
}
.v4-card-header {
  padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.v4-card-title { font-size: 15px; font-weight: 700; }
.v4-card-action {
  font-size: 13px; color: var(--primary); font-weight: 600;
  cursor: pointer; padding: 4px 12px; border-radius: var(--radius-sm);
  transition: all var(--transition); text-decoration: none;
}
.v4-card-action:hover { background: var(--primary-light); }
.v4-card-body { padding: 20px 24px; }
.v4-card-body.no-pad { padding: 0; }

/* ── Table ── */
.v4-table { width: 100%; border-collapse: collapse; }
.v4-table th {
  text-align: left; font-size: 12px; font-weight: 700;
  color: var(--text-3); text-transform: uppercase;
  letter-spacing: .3px; padding: 12px 16px;
  background: var(--bg-body);
}
.v4-table th:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.v4-table th:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.v4-table td {
  padding: 14px 16px; font-size: 13.5px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.v4-table tr:last-child td { border-bottom: none; }
.v4-table tr:hover td { background: var(--bg-body); }

/* ── Badge ── */
.v4-badge {
  display: inline-flex; align-items: center;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 700;
}
.v4-badge-success { background: var(--success-bg); color: var(--success); }
.v4-badge-warning { background: var(--warning-bg); color: var(--warning); }
.v4-badge-danger { background: var(--danger-bg); color: var(--danger); }
.v4-badge-info { background: var(--info-bg); color: var(--info); }
.v4-badge-primary { background: var(--primary-light); color: var(--primary); }
.v4-badge-dark { background: #1e293b; color: #fff; }
.v4-badge-secondary { background: #e2e8f0; color: #475569; }

/* ── Buttons ── */
.v4-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 20px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer; border: 1.5px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
}
.v4-btn svg { width: 16px; height: 16px; }

.v4-btn-primary {
  background: var(--primary-gradient); color: #fff; border-color: transparent;
  box-shadow: 0 2px 8px rgba(232,93,4,.2);
}
.v4-btn-primary:hover {
  box-shadow: 0 4px 16px rgba(232,93,4,.3);
  transform: translateY(-1px);
  color: #fff;
}

.v4-btn-secondary {
  background: var(--bg-card); color: var(--text-1); border-color: var(--border);
}
.v4-btn-secondary:hover {
  border-color: var(--primary); color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.v4-btn-danger {
  background: var(--danger-bg); color: var(--danger); border-color: transparent;
}
.v4-btn-danger:hover { background: var(--danger); color: #fff; }

.v4-btn-sm { padding: 5px 12px; font-size: 12px; border-radius: var(--radius-xs); }
.v4-btn-xs { padding: 3px 8px; font-size: 11px; border-radius: var(--radius-xs); }
.v4-btn-fluid { display: block; width: 100%; }
.v4-btn-container { display: flex; gap: 8px; flex-wrap: wrap; }
.v4-btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-sm); }

/* ── 键盘可达性：为自绘可点元素统一补 :focus-visible 焦点环（仅键盘 Tab 时可见，
      鼠标点击不触发，不影响既有视觉）。覆盖 base 组件与各页自绘交互类。 ── */
.v4-btn:focus-visible,
.pay-method:focus-visible,
.sku-option:focus-visible,
.qty-btn:focus-visible,
.chip:focus-visible,
.sort-btn:focus-visible,
.cate-tab:focus-visible,
.wallet-pay-item:focus-visible,
.wallet-amt-chip:focus-visible,
.v4-tab:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* ── Form Layout ── */
.v4-form-item { margin-bottom: 16px; display: flex; align-items: flex-start; }
.v4-form-label { width: 120px; padding: 9px 12px 9px 0; font-size: 14px; font-weight: 500; color: var(--text-1); text-align: right; flex-shrink: 0; }
.v4-input-block { flex: 1; min-width: 0; }
.v4-input-wrap { position: relative; }
.v4-input-prefix { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-3); pointer-events: none; }
.v4-input-wrap .v4-input { padding-left: 36px; }

/* ── Form ── */
.form-section {
  margin-bottom: 28px;
}
.form-section-title {
  display: flex; align-items: center; gap: 8px;
  margin: 0 0 16px;
  padding: 0 0 10px;
  border-bottom: 2px solid var(--border);
  font-size: 15px; font-weight: 700; color: var(--text-1);
}
.form-section-title svg { width: 20px; height: 20px; color: var(--primary); }

.form-field { margin-bottom: 16px; }
.form-label {
  display: block; margin-bottom: 6px;
  font-size: 13px; font-weight: 600; color: var(--text-2);
}
.form-hint {
  margin-top: 4px; font-size: 12px; color: var(--text-3); line-height: 1.5;
}
.form-hint-danger { color: var(--danger); }

.v4-input, .v4-select, .v4-textarea {
  width: 100%; padding: 10px 14px;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px; font-family: inherit;
  color: var(--text-1);
  transition: all var(--transition);
}
.v4-input:focus, .v4-select:focus, .v4-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}
.v4-input::placeholder { color: var(--text-3); }
.v4-textarea { min-height: 100px; resize: vertical; }
.v4-select { cursor: pointer; appearance: auto; }

.v4-input-group {
  display: flex; gap: 0;
}
.v4-input-group .v4-input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.v4-input-group .v4-btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.v4-input-group-append { display: flex; }
.v4-input-group-append:last-child .v4-input-group-text { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.v4-input-group-text {
  display: flex; align-items: center; padding: 0 12px;
  background: var(--bg-body); border: 1px solid var(--border); border-left: 0;
  font-size: 13px; color: var(--text-2); white-space: nowrap;
}
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── Tabs ── */
.v4-tabs {
  display: flex; gap: 4px; border-bottom: 2px solid var(--border);
  margin-bottom: 24px; overflow-x: auto;
}
.v4-tab {
  padding: 10px 20px; font-size: 14px; font-weight: 600;
  color: var(--text-3); cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  white-space: nowrap; text-decoration: none; display: block;
  background: transparent; border-top: none; border-left: none; border-right: none;
  font-family: inherit;
}
.v4-tab:hover { color: var(--text-1); }
.v4-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── Pagination ── */
.v4-pagination {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border);
}
.v4-page {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  color: var(--text-2); background: transparent; border: none; font-family: inherit;
}
.v4-page:hover { background: var(--bg-warm); color: var(--text-1); }
.v4-page.active { background: var(--primary-gradient); color: #fff; box-shadow: 0 2px 8px rgba(232,93,4,.2); }
.v4-page.disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ── v4 Pager 组件（Base.Pager 渲染）── */
.v4-pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px; }
.v4-pager .v4-page { min-width: 36px; }
.v4-pager .v4-page-nav { width: auto; padding: 0 12px; }
.v4-page-total { margin-right: auto; color: var(--text-3); font-size: 13px; padding-left: 2px; }
.v4-page-ellipsis { min-width: 24px; text-align: center; color: var(--text-3); }
.v4-page-size { height: 36px; width: auto; padding: 0 10px; font-size: 13px; margin-left: 8px; }
.v4-page-skip { display: flex; align-items: center; gap: 4px; margin-left: 8px; color: var(--text-3); font-size: 13px; }
.v4-page-jump { width: 56px; height: 36px; text-align: center; padding: 0 6px; }
@media (max-width: 640px) {
  .v4-pager { justify-content: center; }
  .v4-page-total { margin-right: 0; width: 100%; text-align: center; margin-bottom: 4px; }
}

/* ── Filter Bar ── */
.filter-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.filter-bar .v4-select { width: auto; padding: 7px 12px; font-size: 13px; }
.filter-bar .v4-input { width: auto; max-width: 200px; padding: 7px 12px; font-size: 13px; }

/* ── Modal ── */
.v4-modal-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(28,25,23,.5);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all var(--transition);
}
.v4-modal-overlay.show { opacity: 1; visibility: visible; }

.v4-modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%; max-width: 520px;
  transform: scale(.95) translateY(10px);
  transition: transform var(--transition);
  overflow: hidden;
}
.v4-modal-overlay.show .v4-modal { transform: scale(1) translateY(0); }

.v4-modal-header {
  padding: 20px 24px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.v4-modal-title { font-size: 16px; font-weight: 700; }
.v4-modal-close {
  width: 32px; height: 32px; border-radius: 50%;
  border: none; background: var(--bg-warm); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-3); transition: all var(--transition-fast);
  font-size: 18px; font-family: inherit;
}
.v4-modal-close:hover { background: var(--danger-bg); color: var(--danger); }

.v4-modal-body { padding: 24px; }

.v4-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ── Toast ── */
.v4-toast-container {
  position: fixed; top: 24px; right: 24px;
  z-index: 20000;
  display: flex; flex-direction: column; gap: 10px;
}
.v4-toast {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  font-size: 14px; font-weight: 500;
  transform: translateX(120%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  max-width: 400px;
}
.v4-toast.show { transform: translateX(0); }
.v4-toast-success { border-left: 4px solid var(--success); }
.v4-toast-error { border-left: 4px solid var(--danger); }
.v4-toast-warning { border-left: 4px solid var(--warning); }
.v4-toast-info { border-left: 4px solid var(--info); }
.v4-toast-icon { width: 20px; height: 20px; flex-shrink: 0; }

/* ── Empty State ── */
.v4-empty {
  text-align: center; padding: 48px 24px; color: var(--text-3);
}
.v4-empty svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: .4; }
.v4-empty-text { font-size: 14px; }

/* ── Loading / Skeleton ── */
.v4-skeleton {
  background: linear-gradient(90deg, var(--bg-warm) 25%, var(--border) 50%, var(--bg-warm) 75%);
  background-size: 200% 100%;
  animation: v4-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes v4-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ══════════════════════════════════════════
   GRID HELPERS
   ══════════════════════════════════════════ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 28px; }
.grid-3 { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 28px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-bottom: 28px; }
.grid-col-3 { grid-column: span 3; }
.grid-col-4 { grid-column: span 4; }
.grid-col-6 { grid-column: span 6; }
.grid-col-8 { grid-column: span 8; }

/* 12-column grid container for col-* children */
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  /* 移动端竖排后把筛选控件加高到 ~40px 触控目标（与 .v4-input 一致） */
  .filter-bar .v4-select, .filter-bar .v4-input { width: 100%; max-width: none; padding: 10px 12px; }
}

/* ══════════════════════════════════════════
   UTILITIES
   ══════════════════════════════════════════ */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-3) !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-mono { font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace; }

.fw-400 { font-weight: 400 !important; }
.fw-500 { font-weight: 500 !important; }
.fw-600 { font-weight: 600 !important; }
.fw-700 { font-weight: 700 !important; }

.fs-xs { font-size: 11px !important; }
.fs-sm { font-size: 12px !important; }
.fs-md { font-size: 14px !important; }
.fs-lg { font-size: 16px !important; }
.fs-xl { font-size: 20px !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px !important; }
.mt-2 { margin-top: 16px !important; }
.mt-3 { margin-top: 24px !important; }
.mt-4 { margin-top: 32px !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 8px !important; }
.mb-2 { margin-bottom: 16px !important; }
.mb-3 { margin-bottom: 24px !important; }
.mb-4 { margin-bottom: 32px !important; }
.ml-auto { margin-left: auto !important; }
.mr-1 { margin-right: 8px !important; }
.gap-1 { gap: 8px !important; }
.gap-2 { gap: 16px !important; }

.d-flex { display: flex !important; }
.d-grid { display: grid !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }
.align-center { align-items: center !important; }
.justify-between { justify-content: space-between !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-1 { flex: 1 !important; }

.w-full { width: 100% !important; }
.cursor-pointer { cursor: pointer !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ══════════════════════════════════════════
   Dropdown 下拉菜单
   ══════════════════════════════════════════ */
.v4-dropdown { position: relative; display: inline-block; }
.v4-op-btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: none; padding: 4px 6px; border-radius: var(--radius-xs);
  cursor: pointer; color: var(--text-3); text-decoration: none; transition: all var(--transition-fast);
}
.v4-op-btn:hover { background: var(--bg-warm); color: var(--primary); }
.v4-dropdown-menu {
    display: none; position: absolute; top: 100%; left: 0; z-index: 1000;
    min-width: 160px; padding: 6px 0; margin: 4px 0 0;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md); max-height: 70vh; overflow-y: auto;
}
.v4-dropdown-menu.show { display: block; }
.v4-dropdown-menu.right { left: auto; right: 0; }
.v4-dropdown-menu a, .v4-dropdown-menu button {
    display: block; width: 100%; padding: 7px 16px; border: none; background: none;
    font-size: 13px; color: var(--text-2); text-decoration: none; text-align: left;
    cursor: pointer; white-space: nowrap; transition: background var(--transition-fast);
}
.v4-dropdown-menu a:hover, .v4-dropdown-menu button:hover {
    background: var(--primary-light); color: var(--primary);
}

/* ══════════════════════════════════════════
   Toggle / Switch 开关
   ══════════════════════════════════════════ */
.v4-toggle { position:relative; display:inline-block; width:42px; height:24px; flex-shrink:0; }
.v4-toggle input { opacity:0; width:0; height:0; position:absolute; }
.v4-toggle-slider {
    position:absolute; cursor:pointer; inset:0; background:var(--border);
    border-radius:24px; transition:background var(--transition-fast);
}
.v4-toggle-slider::before {
    content:''; position:absolute; width:18px; height:18px; left:3px; bottom:3px;
    background:#fff; border-radius:50%; transition:transform var(--transition-fast);
    box-shadow:0 1px 3px rgba(0,0,0,.15);
}
.v4-toggle input:checked + .v4-toggle-slider { background:var(--primary); }
.v4-toggle input:checked + .v4-toggle-slider::before { transform:translateX(18px); }

/* ── Toggle 列表项 ── */
.v4-toggle-item {
    display:flex; align-items:center; gap:12px; padding:10px 14px;
    border-radius:var(--radius-sm); cursor:pointer; transition:background var(--transition-fast);
}
.v4-toggle-item:hover { background:var(--bg-warm); }
.v4-toggle-item .v4-toggle-icon { width:20px; height:20px; flex-shrink:0; }
.v4-toggle-item .v4-toggle-text { flex:1; font-size:14px; color:var(--text-1); }

/* ══════════════════════════════════════════
   Accordion / Panel 折叠面板
   ══════════════════════════════════════════ */
.v4-accordion { border:1px solid var(--border); border-radius:var(--radius-sm); overflow:hidden; }
.v4-accordion-item + .v4-accordion-item { border-top:1px solid var(--border); }
.v4-accordion-header {
    display:flex; align-items:center; justify-content:space-between; padding:12px 16px;
    font-size:14px; font-weight:500; color:var(--text-1); cursor:pointer;
    background:var(--bg-warm); transition:background var(--transition-fast);
}
.v4-accordion-header:hover { background:var(--primary-light); }
.v4-accordion-header::after {
    content:''; width:8px; height:8px; border-right:2px solid var(--text-3); border-bottom:2px solid var(--text-3);
    transform:rotate(45deg); transition:transform var(--transition-fast); flex-shrink:0;
}
.v4-accordion-item.open .v4-accordion-header::after { transform:rotate(-135deg); }
.v4-accordion-body { display:none; padding:16px; font-size:13px; color:var(--text-2); line-height:1.7; }
.v4-accordion-item.open .v4-accordion-body { display:block; }

/* ══════════════════════════════════════════
   C-END COMPONENTS —— 商城前台组件（皮肤微调交给模板 app.css）
   全部基于上方设计 token，不硬编码颜色。
   ══════════════════════════════════════════ */

/* ── 页宽容器 ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ── 商品网格 ── */
.goods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

/* ── 商品卡 ── */
.goods-card {
  display: flex; flex-direction: column;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none; color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.goods-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
.goods-card-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--bg-warm);
  overflow: hidden;
}
.goods-card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform var(--transition);
}
.goods-card:hover .goods-card-thumb img { transform: scale(1.04); }
.goods-card-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.goods-card-title {
  font-size: 14px; font-weight: 600; line-height: 1.4;
  color: var(--text-1);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  min-height: 2.8em; /* 2 行占位防跳动 */
}
.goods-card-meta {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 8px; margin-top: auto;
}
.goods-card-sold { font-size: 12px; color: var(--text-3); flex-shrink: 0; white-space: nowrap; }

/* ── 价格 ── */
.price { color: var(--primary); font-weight: 700; line-height: 1; }
.price-cur { font-size: 12px; margin-right: 1px; }
.price-int { font-size: 20px; }
.price-dec { font-size: 13px; }
.price-origin { font-size: 12px; color: var(--text-3); text-decoration: line-through; margin-left: 6px; }

/* ── 图上角标 ── */
.badge-corner {
  position: absolute; top: 8px; left: 8px; z-index: 2;
  padding: 2px 8px; border-radius: var(--radius-xs);
  font-size: 11px; font-weight: 700; line-height: 1.6;
  color: #fff; background: var(--primary);
}
.badge-corner-hot  { background: var(--danger); }
.badge-corner-new  { background: var(--success); }
.badge-corner-sale { background: var(--warning); }

/* ── 售罄遮罩 ── */
.badge-soldout {
  position: absolute; inset: 0; z-index: 3;
  display: flex; align-items: center; justify-content: center;
  background: rgba(28,25,23,.45);
  color: #fff; font-size: 14px; font-weight: 700; letter-spacing: 1px;
}

/* ── 小标 chip（库存/已售/规格）── */
.chip {
  display: inline-flex; align-items: center;
  padding: 2px 10px; border-radius: 20px;
  background: var(--bg-warm); color: var(--text-3);
  font-size: 12px; line-height: 1.6; white-space: nowrap;
}

/* ── 购物车行 ── */
.cart-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-thumb {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: var(--radius-sm); overflow: hidden;
  background: var(--bg-warm);
}
.cart-item-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cart-item-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.cart-item-title {
  font-size: 14px; font-weight: 600; color: var(--text-1);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cart-item-spec { font-size: 12px; color: var(--text-3); }
.cart-item-remove {
  flex-shrink: 0; width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; background: none; cursor: pointer;
  color: var(--text-3); border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.cart-item-remove:hover { background: var(--danger-bg); color: var(--danger); }

/* ── 结算栏 ── */
.cart-bar {
  position: sticky; bottom: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-top: 1.5px solid var(--border);
  box-shadow: 0 -4px 16px rgba(28,25,23,.06);
}
.cart-bar-total { margin-left: auto; font-size: 14px; color: var(--text-2); }
.cart-bar-total .price { margin-left: 4px; }

/* ── 数量步进 ── */
.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.qty-btn {
  width: 32px; height: 32px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; background: var(--bg-warm); cursor: pointer;
  color: var(--text-2); font-size: 16px; line-height: 1; font-family: inherit;
  transition: all var(--transition-fast);
}
.qty-btn:hover { color: var(--primary); }
.qty-btn:disabled { opacity: .4; cursor: not-allowed; }
.qty-input {
  width: 48px; height: 32px;
  text-align: center; border: none;
  border-left: 1.5px solid var(--border); border-right: 1.5px solid var(--border);
  background: var(--bg-card); color: var(--text-1);
  font-size: 14px; font-family: inherit;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ── 规格 SKU ── */
.sku-group { margin-bottom: 16px; }
.sku-group-label { font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 8px; }
.sku-group-options { display: flex; flex-wrap: wrap; gap: 8px; }
.sku-option {
  padding: 7px 16px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--bg-card);
  font-size: 13px; color: var(--text-1); cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}
.sku-option:hover { border-color: var(--primary); color: var(--primary); }
.sku-option.active {
  border-color: var(--primary); color: var(--primary);
  background: var(--primary-light);
}
.sku-option.disabled {
  opacity: .5; cursor: not-allowed;
  text-decoration: line-through;
  border-color: var(--border); color: var(--text-3); background: var(--bg-warm);
}

/* ── 支付方式选择 ── */
.pay-methods { display: flex; flex-wrap: wrap; gap: 10px; }
.pay-method {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; min-width: 120px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  background: var(--bg-card); cursor: pointer;
  font-size: 14px; color: var(--text-1);
  transition: all var(--transition-fast);
}
.pay-method:hover { border-color: var(--primary); }
.pay-method.active {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.pay-method.disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
.pay-method img, .pay-method svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ── 首页区块 ── */
.section { margin: 24px 0; }
.section-title {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
  font-size: 18px; font-weight: 700; color: var(--text-1);
}
.section-title svg { width: 20px; height: 20px; color: var(--primary); flex-shrink: 0; }
.section-title .section-more {
  margin-left: auto;
  font-size: 13px; font-weight: 500; color: var(--text-3);
  text-decoration: none;
}
.section-title .section-more:hover { color: var(--primary); }

/* ── 登录/注册卡 ── */
.auth-card {
  max-width: 420px; margin: 40px auto;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px 24px;
}
.auth-card-title { font-size: 20px; font-weight: 700; color: var(--text-1); margin-bottom: 20px; text-align: center; }

/* ── C 端响应式 ── */
@media (max-width: 768px) {
  .container { padding: 0 12px; }
  .goods-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
}