/* ==========================================================================
   棱镜比价 PRISM RADAR — 极光靛紫 (Aurora Indigo & Obsidian) 原创设计系统
   ========================================================================== */

:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --bg-accent: #eef2ff;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --surface-subtle: #f1f5f9;
  --surface-muted: #e8eef7;
  --surface-glass: rgba(255, 255, 255, 0.84);
  --text: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-strong: #3730a3;
  --accent-soft: #eef2ff;
  --accent-border: #c7d2fe;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 54%, #0891b2 100%);
  --accent-glow: rgba(79, 70, 229, 0.18);

  --price-color: #3730a3;
  --deal-bg: #fffbeb;
  --deal-border: #fde68a;
  --deal-text: #b45309;

  --warn: #b45309;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --danger: #be123c;
  --danger-bg: #fff1f2;
  --danger-border: #fecdd3;
  --success: #047857;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;

  --radius-xs: 8px;
  --radius-sm: 11px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px rgba(30, 27, 75, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 56px rgba(30, 27, 75, 0.16), 0 4px 14px rgba(15, 23, 42, 0.06);

  --font-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #090b14;
  --bg-accent: #111629;
  --surface: #111627;
  --surface-elevated: #171e35;
  --surface-subtle: #19213a;
  --surface-muted: #232d4b;
  --surface-glass: rgba(17, 22, 39, 0.84);
  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border: #1e293b;
  --border-strong: #334155;

  --accent: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-strong: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.16);
  --accent-border: rgba(129, 140, 248, 0.35);
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 54%, #06b6d4 100%);
  --accent-glow: rgba(99, 102, 241, 0.28);

  --price-color: #38bdf8;
  --deal-bg: rgba(245, 158, 11, 0.14);
  --deal-border: rgba(251, 191, 36, 0.34);
  --deal-text: #fbbf24;

  --warn: #fbbf24;
  --warn-bg: rgba(245, 158, 11, 0.13);
  --warn-border: rgba(245, 158, 11, 0.3);
  --danger: #fb7185;
  --danger-bg: rgba(244, 63, 94, 0.14);
  --danger-border: rgba(244, 63, 94, 0.32);
  --success: #34d399;
  --success-bg: rgba(16, 185, 129, 0.14);
  --success-border: rgba(16, 185, 129, 0.32);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.32);
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.36);
  --shadow-md: 0 14px 36px rgba(0, 0, 0, 0.48);
  --shadow-lg: 0 28px 68px rgba(0, 0, 0, 0.68);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* 顶部极光漫反射与透视晶格背景 */
.ambient-canvas {
  position: fixed;
  inset: 0 0 auto 0;
  height: 560px;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(72px);
  opacity: 0.55;
}

.ambient-orb-indigo {
  width: 520px;
  height: 320px;
  top: -120px;
  left: 8%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.28) 0%, transparent 72%);
}

.ambient-orb-cyan {
  width: 460px;
  height: 300px;
  top: -90px;
  right: 8%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.22) 0%, transparent 72%);
}

.ambient-orb-amber {
  width: 360px;
  height: 240px;
  top: 40px;
  left: 42%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.16) 0%, transparent 72%);
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(99, 102, 241, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 25%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 25%, transparent 100%);
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 22px 64px;
}

/* ==========================================================================
   1. 悬浮胶囊顶栏 (Floating Glass Command Dock)
   ========================================================================== */
.masthead {
  position: sticky;
  top: 12px;
  z-index: 35;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  padding: 10px 16px 10px 14px;
  background: var(--surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
}

.wordmark-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--accent-gradient);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px var(--accent-glow);
  flex-shrink: 0;
}

.wordmark-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.wordmark-title-row {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.wordmark-text strong {
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  white-space: nowrap;
}

.wordmark-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.wordmark-text small {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
}

.masthead-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  box-shadow: var(--shadow-xs);
}

.nav-pill:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.nav-pill-icon {
  padding: 6px 10px;
  justify-content: center;
}

.nav-pill-badge {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  min-width: 19px;
  height: 19px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-moon {
  display: none;
}

html[data-theme="dark"] .icon-sun {
  display: none;
}

html[data-theme="dark"] .icon-moon {
  display: block;
}

.masthead-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 16px var(--accent-glow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  white-space: nowrap;
}

.masthead-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 10px 22px var(--accent-glow);
}

/* ==========================================================================
   2. 居中聚光灯搜索舱 (Command Spotlight Hero)
   ========================================================================== */
.spotlight-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 18px;
  padding: 20px 26px 18px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background:
    radial-gradient(900px 260px at 50% 0%, var(--accent-soft), transparent 72%),
    var(--surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.spotlight-top-bar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.03em;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.24);
}

/* 模式切换滑块 */
.mode-tabs {
  display: inline-flex;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}

.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  border: 0;
  background: transparent;
  padding: 6px 16px;
  border-radius: 999px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.mode-tab small {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-muted);
}

.mode-tab.is-active {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.mode-tab.is-active small {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.spotlight-headline {
  max-width: 760px;
  margin: 0 auto 18px;
}

.spotlight-headline h1 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
}

.spotlight-headline h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.6;
}

/* 聚光灯搜索舱 */
.spotlight-command-box {
  width: 100%;
  max-width: 960px;
  background: var(--surface-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-leading-icon {
  position: absolute;
  left: 14px;
  color: var(--accent);
  pointer-events: none;
}

.search-row input[type="search"] {
  width: 100%;
  min-height: 46px;
  padding: 10px 68px 10px 44px;
  border: 1.5px solid var(--border);
  border-radius: 13px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.search-row input[type="search"]::placeholder {
  color: var(--text-muted);
}

.search-row input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.search-kbd {
  position: absolute;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--surface-subtle);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input-wrap:focus-within .search-kbd {
  display: none;
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 0;
  background: var(--surface-muted);
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.search-clear-btn:hover {
  background: var(--border-strong);
  color: var(--text);
}

.search-controls-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

select {
  appearance: none;
  -webkit-appearance: none;
  min-height: 42px;
  padding: 8px 34px 8px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background-color: var(--surface);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236366f1' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

#sortSelect {
  min-height: 46px;
  border-radius: 13px;
}

select:hover {
  border-color: var(--accent-border);
}

select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

select.is-selected {
  border-color: var(--accent);
  background-color: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.search-submit {
  min-height: 46px;
  padding: 10px 20px;
  border: 0;
  border-radius: 13px;
  background: var(--accent-gradient);
  color: #ffffff;
  font: inherit;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 6px 16px var(--accent-glow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  white-space: nowrap;
}

.search-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.search-assist-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px dashed var(--border);
  text-align: left;
}

.search-hint {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}

.search-assist-tools {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.share-link-chip {
  min-height: 28px;
  padding: 3px 10px;
  font-size: 11.5px;
  border-radius: 999px;
}

.hot-queries {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.hot-queries-label {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.hot-query-chip,
.hot-query-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 3px 11px;
  font: inherit;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.14s ease, transform 0.14s ease;
}

.hot-query-chip:hover,
.hot-query-chip.is-active,
.hot-query-btn:hover,
.hot-query-btn.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

/* 三联流线型实时指标条 */
.topbar-metrics {
  width: 100%;
  max-width: 960px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 11px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  box-shadow: var(--shadow-xs);
}

.metric-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-icon-indigo {
  background: var(--accent-soft);
  color: var(--accent);
}

.metric-icon-cyan {
  background: rgba(6, 182, 212, 0.12);
  color: #0891b2;
}

html[data-theme="dark"] .metric-icon-cyan {
  color: #22d3ee;
}

.metric-icon-amber {
  background: var(--deal-bg);
  color: var(--deal-text);
}

.metric-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.metric-copy span {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.metric-copy strong {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
}

/* ==========================================================================
   3. 双栏主工作台 (Sidebar Brand Rail + Main Stage)
   ========================================================================== */
.workspace {
  position: relative;
}

.workspace-grid {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.workspace.is-shop-mode .workspace-grid {
  grid-template-columns: minmax(0, 1fr);
}

.workspace.is-shop-mode .brand-rail {
  display: none;
}

/* 左栏：粘性品牌与品类雷达导航栏 */
.brand-rail {
  position: sticky;
  top: 76px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 12px;
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - 96px);
  overflow-y: auto;
}

.brand-rail-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
}

.brand-rail-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-chips {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.brand-section {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 8px 2px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 38px;
  padding: 6px 10px;
  border-radius: 11px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.chip:hover {
  background: var(--surface-subtle);
  color: var(--text);
}

.chip-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--brand-bg, var(--surface-subtle));
  color: var(--brand-color, var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.chip-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip small {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--surface-subtle);
  color: var(--text-muted);
}

.chip.is-active {
  background: var(--accent-gradient);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 6px 16px var(--accent-glow);
}

.chip.is-active .chip-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.chip.is-active small {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.chip.is-filtered-zero {
  opacity: 0.56;
  border-style: dashed;
  border-color: var(--border);
}

.chip.is-filtered-zero:hover {
  opacity: 0.92;
  border-color: var(--accent-border);
}

/* 右栏：主舞台与智能筛选条 */
.stage-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.controls-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}

.product-controls-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
}

.filter-selects {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 142px;
}

.filter-field span {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 700;
}

/* 自定义价格区间 */
.custom-price-range {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 4px 8px 4px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
}

.custom-price-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

.custom-price-range input[type="number"] {
  width: 68px;
  min-height: 30px;
  padding: 3px 7px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.custom-price-range input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

.custom-price-sep {
  color: var(--text-muted);
  font-weight: 700;
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.quick-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-xs);
  padding: 6px 12px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.quick-chip:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-soft);
}

.quick-chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.quick-chip-reset {
  color: var(--danger);
  border-color: var(--danger-border);
  background: var(--danger-bg);
}

.quick-chip-reset:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

/* 店铺筛选栏 */
.shop-controls {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.shop-stock-filter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.shop-stock-filter:hover {
  border-color: var(--accent-border);
}

.shop-stock-filter input[type="checkbox"] {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.shop-system-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
  align-self: center;
}

.more-filters-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.facet-note-bar {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
}

.filter-notice-bar {
  margin-top: 10px;
  padding: 9px 13px;
  border-radius: var(--radius-xs);
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn);
  font-size: 12.5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.filter-notice-close {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 16px;
  line-height: 1;
  padding: 2px 6px;
  cursor: pointer;
  border-radius: 4px;
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.active-filters:empty {
  display: none;
}

.active-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 3px 11px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.active-tag:hover {
  background: var(--accent);
  color: #ffffff;
}

/* 结果工具栏与视图切换器 */
.results-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 2px 4px;
}

.results-status-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#resultStatus {
  font-weight: 800;
  font-size: 14px;
  color: var(--text);
}

.results-note {
  font-size: 12px;
  color: var(--text-muted);
}

.view-mode-switch {
  display: inline-flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
  box-shadow: var(--shadow-xs);
}

.view-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 7px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.14s ease, transform 0.14s ease;
}

.view-mode-btn:hover {
  color: var(--text);
}

.view-mode-btn.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* 官方参考价横幅 */
.ref-price-banner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 14px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, var(--accent-soft) 0%, transparent 100%),
    var(--surface);
  border: 1px solid var(--accent-border);
  font-size: 12.5px;
  color: var(--text);
  box-shadow: var(--shadow-xs);
}

.ref-price-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #ffffff;
  font-weight: 700;
  font-size: 11.5px;
}

.ref-price-value {
  font-weight: 700;
  color: var(--text);
}

.ref-price-note {
  color: var(--text-muted);
  font-size: 12px;
  margin-left: auto;
}

/* ==========================================================================
   4. 票据式商品比价卡片 (Deal Ticket Cards — 单列 & 双列网格)
   ========================================================================== */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-list.is-grid-view {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}

.product-row {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
  overflow: hidden;
}

.product-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--card-brand-color, var(--accent));
  opacity: 0.85;
}

.product-row:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
}

.product-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  align-items: stretch;
}

.product-main-cell {
  padding: 16px 18px 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.product-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 7px;
  background: var(--surface-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-weight: 600;
}

.badge-group-brand {
  background: var(--brand-bg, var(--accent-soft));
  color: var(--brand-color, var(--accent));
  border-color: transparent;
  font-weight: 750;
  padding: 3px 9px;
}

.badge-group-brand svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.badge-brand {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-border);
  font-weight: 700;
}

.badge-warranty {
  background: var(--deal-bg);
  color: var(--deal-text);
  border-color: var(--deal-border);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge-warn {
  background: var(--warn-bg);
  color: var(--warn);
  border-color: var(--warn-border);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-border);
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}

.badge-system {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent-border);
  font-weight: 700;
}

.badge-category {
  background: var(--surface-subtle);
  color: var(--text);
  border-color: var(--border-strong);
}

.product-title {
  font-weight: 750;
  font-size: 15.5px;
  line-height: 1.42;
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  word-break: break-word;
  transition: color 0.14s ease;
}

a.product-title:hover {
  color: var(--accent);
}

.product-meta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.group-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  border: 1px solid var(--border-strong);
  background: var(--surface-subtle);
  border-radius: 9px;
  padding: 4px 12px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.group-toggle:hover,
.group-toggle[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.row-mini-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mini-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 30px;
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font: inherit;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.14s ease, transform 0.14s ease;
}

.mini-icon-btn:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-soft);
}

.mini-icon-btn.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

/* 右侧票据式价格舱 (Price Ticket Stub) */
.price-ticket {
  position: relative;
  padding: 15px 18px;
  border-left: 1.5px dashed var(--border-strong);
  background:
    radial-gradient(180px 90px at 100% 0%, var(--accent-soft), transparent 80%),
    var(--surface-subtle);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  text-align: right;
  gap: 3px;
}

.price-ticket::before,
.price-ticket::after {
  content: "";
  position: absolute;
  left: -7px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.price-ticket::before {
  top: -7px;
}

.price-ticket::after {
  bottom: -7px;
}

.price-col {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 850;
  color: var(--price-color);
  letter-spacing: -0.03em;
  line-height: 1.15;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.price-col small {
  display: block;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0;
}

.price-save-pill {
  display: inline-flex;
  align-items: center;
  margin-top: 3px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--deal-bg);
  color: var(--deal-text);
  border: 1px solid var(--deal-border);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 750;
}

.updated-col {
  margin-top: 5px;
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

/* 双列网格模式下的商品卡片自适应 */
.product-list.is-grid-view .product-summary {
  grid-template-columns: minmax(0, 1fr);
}

.product-list.is-grid-view .price-ticket {
  border-left: 0;
  border-top: 1.5px dashed var(--border-strong);
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  padding: 12px 18px 12px 20px;
}

.product-list.is-grid-view .price-ticket::before,
.product-list.is-grid-view .price-ticket::after {
  display: none;
}

.product-list.is-grid-view .price-col {
  align-items: flex-start;
}

/* 展开的同款多店报价抽屉 */
.offer-panel {
  border-top: 1px solid var(--border);
  padding: 12px 18px 14px 20px;
  background: var(--surface-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.offer-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px 116px;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.14s ease;
}

.offer-row:hover {
  border-color: var(--accent-border);
}

.offer-shop-cell {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.offer-shop-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.14s ease, transform 0.14s ease;
}

.offer-shop-btn:hover {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent);
}

.offer-shop-intro-pill {
  font-size: 10.5px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--surface-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.offer-hint {
  font-size: 11.5px;
  color: var(--text-muted);
}

.offer-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--warn-bg);
  color: var(--warn);
  border: 1px solid var(--warn-border);
  font-weight: 700;
}

.offer-tag.is-best {
  background: var(--deal-bg);
  color: var(--deal-text);
  border-color: var(--deal-border);
}

.offer-price-cell {
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 14.5px;
  color: var(--price-color);
}

.offer-action-cell {
  text-align: right;
}

.offer-action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  text-decoration: none;
  font-weight: 700;
  font-size: 12px;
  transition: border-color 0.14s ease, transform 0.14s ease;
}

.offer-action-link:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #ffffff;
}

.offer-expand-wrap {
  padding-top: 4px;
}

/* ==========================================================================
   5. 商家名片橱窗 (Merchant Showroom Grid)
   ========================================================================== */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.shop-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 13px;
  box-shadow: var(--shadow-xs);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
  overflow: hidden;
}

.shop-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--shop-accent, var(--accent-gradient));
}

.shop-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.shop-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.shop-identity {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.shop-avatar {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  color: #ffffff;
  font-weight: 850;
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.14);
}

.shop-title-wrap {
  min-width: 0;
}

.shop-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
  word-break: break-word;
}

.shop-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.shop-desc-preview {
  margin: 0;
  padding: 9px 12px;
  border-radius: var(--radius-xs);
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 54px;
}

.shop-desc-preview.is-empty {
  color: var(--text-muted);
  font-style: italic;
}

.shop-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.shop-meta-line {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.shop-url-text {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.copy-inline-btn {
  flex-shrink: 0;
  padding: 1px 7px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}

.copy-inline-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.shop-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.shop-card-actions {
  display: flex;
  gap: 8px;
  padding-top: 2px;
}

.shop-card-actions .btn {
  width: 100%;
}

/* ==========================================================================
   6. 通用按钮、加载更多、骨架屏与底部浮条
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  border-color: var(--accent-border);
  background: var(--surface-subtle);
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 6px 16px var(--accent-glow);
}

.btn-primary:hover {
  filter: brightness(1.06);
  color: #ffffff;
}

.btn-secondary {
  background: var(--surface-subtle);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-soft);
}

.btn-compact {
  min-height: 32px;
  padding: 5px 12px;
  font-size: 12px;
}

.load-more-wrap {
  margin-top: 18px;
  text-align: center;
}

.empty-tip {
  text-align: center;
  padding: 52px 20px;
  color: var(--text-muted);
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--border-strong);
  margin: 0;
}

.request-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 14px;
  border-radius: var(--radius-sm);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
}

/* 骨架屏加载动画 */
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.skeleton-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--surface-subtle) 25%, var(--surface-muted) 50%, var(--surface-subtle) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.4s infinite linear;
}

.skeleton-line.w-40 { width: 40%; }
.skeleton-line.w-65 { width: 65%; height: 16px; }
.skeleton-line.w-85 { width: 85%; }

/* 底部同台比价浮条 */
.compare-dock {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 40;
  width: min(860px, calc(100vw - 28px));
  background: var(--surface-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  padding: 10px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.compare-dock-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.compare-dock-info strong {
  font-size: 13px;
  color: var(--accent);
  white-space: nowrap;
}

.compare-dock-items {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compare-dock-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* 回到顶部与右上角 Toast */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 38;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-elevated);
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.back-to-top:hover {
  border-color: var(--accent);
  background: var(--accent-gradient);
  color: #ffffff;
  transform: translateY(-2px);
}

.toast-stack {
  position: fixed;
  top: 72px;
  right: 22px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  padding: 9px 14px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.92);
  color: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.24);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  max-width: min(320px, calc(100vw - 40px));
}

html[data-theme="dark"] .toast-item {
  background: rgba(22, 29, 54, 0.94);
  color: #eef2ff;
  border-color: rgba(129, 140, 248, 0.36);
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.55);
}

/* ==========================================================================
   7. 模态弹窗（店铺介绍 + 收藏对比工作台）
   ========================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 11, 20, 0.65);
  backdrop-filter: blur(5px);
}

.modal-dialog {
  position: relative;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: min(740px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px 26px;
  box-shadow: var(--shadow-lg);
}

.modal-dialog-wide {
  width: min(940px, 100%);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  border-radius: 10px;
  font-size: 20px;
  line-height: 1;
  min-width: 34px;
  min-height: 34px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.modal-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 工作台弹窗 */
.workbench-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-right: 40px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.workbench-header h2 {
  margin: 0;
  font-size: 18px;
}

.workbench-tabs {
  display: inline-flex;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 4px;
}

.workbench-tab {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 13px;
  border-radius: 7px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.workbench-tab.is-active {
  background: var(--accent-gradient);
  color: #ffffff;
}

.workbench-tab small {
  font-family: var(--font-mono);
  font-size: 11px;
}

.compare-table-wrap {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.compare-table th {
  width: 110px;
  background: var(--surface-subtle);
  color: var(--text-muted);
  font-weight: 700;
}

.compare-price {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 850;
  color: var(--price-color);
}

.fav-section {
  margin-bottom: 18px;
}

.fav-section h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.fav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.fav-card {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}

/* 店铺介绍弹窗详情 */
.profile-header {
  margin-bottom: 14px;
  padding-right: 40px;
}

.profile-header h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.profile-url-text {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  word-break: break-all;
}

.profile-alert-banner {
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  font-size: 12.5px;
  font-weight: 700;
}

.profile-alert-banner.is-warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  color: var(--warn);
}

.profile-section {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--surface-subtle);
  border: 1px solid var(--border);
}

.profile-section h3 {
  margin: 0 0 8px;
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 700;
}

.profile-description {
  margin: 0;
  font-size: 13.5px;
  color: var(--text);
  white-space: pre-line;
  word-break: break-word;
  line-height: 1.6;
}

.profile-description.is-empty {
  color: var(--text-muted);
  font-style: italic;
}

.profile-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.signal-card {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 10px 12px;
}

.signal-card span {
  display: block;
  font-size: 11.5px;
  color: var(--text-muted);
}

.signal-card strong {
  font-size: 13.5px;
  word-break: break-word;
}

.profile-action-box {
  margin-top: 8px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface-subtle);
  border: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.profile-visit-btn {
  min-width: 168px;
  font-size: 14px;
  padding: 10px 20px;
}

.profile-risk-notice {
  margin: 0;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-xs);
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn);
  font-size: 12.5px;
  line-height: 1.55;
}

/* 页脚 */
.site-footer {
  margin-top: 32px;
  padding: 20px 16px 8px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.footer-prism-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--accent-gradient);
}

.site-footer-links {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.site-footer-link:hover {
  text-decoration: underline;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

[hidden] {
  display: none !important;
}

/* ==========================================================================
   8. 响应式适配（平板 <= 1040px & 移动端 <= 760px）
   ========================================================================== */
@media (max-width: 1040px) {
  .workspace-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .brand-rail {
    position: static;
    max-height: none;
    padding: 12px 14px;
  }

  .brand-rail-header {
    padding-bottom: 8px;
    margin-bottom: 6px;
  }

  .brand-chips {
    flex-direction: column;
    gap: 8px;
  }

  .brand-section {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
  }

  .brand-section-label {
    padding: 0 4px 0 0;
  }

  .chip {
    width: auto;
    min-height: 34px;
    padding: 4px 10px;
    border-radius: 999px;
    border-color: var(--border);
    background: var(--surface-subtle);
  }

  .chip-icon {
    width: 20px;
    height: 20px;
    border-radius: 6px;
  }

  .product-list.is-grid-view {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .layout {
    padding: 10px 12px 64px;
  }

  .masthead {
    top: 6px;
    border-radius: 18px;
    padding: 8px 10px;
    gap: 8px;
  }

  .wordmark-text small,
  .wordmark-tag,
  .nav-pill-label {
    display: none;
  }

  .masthead-actions {
    gap: 5px;
    flex-wrap: nowrap;
  }

  .nav-pill,
  .masthead-cta {
    padding: 5px 9px;
    font-size: 11.5px;
    white-space: nowrap;
  }

  .spotlight-hero {
    padding: 18px 14px 16px;
    border-radius: var(--radius-lg);
  }

  .spotlight-top-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .eyebrow {
    justify-content: center;
  }

  .mode-tabs {
    width: 100%;
  }

  .mode-tab {
    flex: 1;
    justify-content: center;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .search-controls-group {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    width: 100%;
  }

  .topbar-metrics {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .filter-selects {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-field {
    min-width: 0;
  }

  .custom-price-range {
    width: 100%;
    justify-content: space-between;
  }

  .custom-price-range input[type="number"] {
    flex: 1;
    width: auto;
  }

  .shop-controls {
    align-items: stretch;
  }

  .shop-controls .filter-field {
    width: 100%;
  }

  .shop-system-note {
    margin-left: 0;
    width: 100%;
  }

  .product-summary {
    grid-template-columns: 1fr;
  }

  .price-ticket {
    border-left: 0;
    border-top: 1.5px dashed var(--border-strong);
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: 12px 16px 12px 20px;
  }

  .price-ticket::before,
  .price-ticket::after {
    display: none;
  }

  .price-col {
    align-items: flex-start;
  }

  .offer-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .offer-price-cell,
  .offer-action-cell {
    text-align: left;
  }

  .shop-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .modal-dialog {
    padding: 18px 16px;
  }

  .profile-visit-btn {
    width: 100%;
  }

  .site-footer-sep {
    display: none;
  }

  .compare-dock {
    bottom: 12px;
    border-radius: 18px;
    padding: 10px 12px;
  }

  .back-to-top {
    right: 14px;
    bottom: 76px;
  }

  .toast-stack {
    top: 64px;
    right: 14px;
    left: 14px;
    align-items: flex-end;
  }
}

@media (max-width: 520px) {
  .hide-xs {
    display: none;
  }

  .masthead {
    padding: 6px 8px;
    gap: 6px;
  }

  .wordmark {
    gap: 6px;
  }

  .wordmark-mark {
    width: 30px;
    height: 30px;
    border-radius: 9px;
  }

  .wordmark-mark svg {
    width: 17px;
    height: 17px;
  }

  .wordmark-text strong {
    font-size: 13.5px;
  }

  .masthead-actions {
    gap: 4px;
    min-width: 0;
  }

  .nav-pill,
  .masthead-cta {
    padding: 5px 7px;
    font-size: 11px;
    gap: 4px;
  }

  .nav-pill-icon {
    padding: 5px 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}