:root {
  --primary: #0066cc;
  --primary-light: #3385d6;
  --primary-dark: #0055b3;
  --accent: #0066cc;
  --accent-light: #3385d6;
  --success: #237a4b;
  --danger: #b42318;
  --warning: #9a5b12;
  --bg: #f5f5f7;
  --white: #ffffff;
  --text: #1d1d1f;
  --text-light: #6e6e73;
  --border: #dedee3;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.07);
  --radius: 8px;
  --radius-lg: 12px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
/* ===== PAGE CONTAINER ===== */
.page-container {
  /* 不要 min-height：容器常驻 DOM，否则非首页会出现顶部整屏空白 */
}
.page {
  display: none;
}
.page.active {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--reskin-banner-h, 33px));
}
.page.active > .header {
  flex: 0 0 auto;
  width: 100%;
}
.page.active > .page-main {
  flex: 1 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page.active > .footer,
.page.active > .site-footer {
  flex: 0 0 auto;
  width: 100%;
  margin-top: auto;
}
/* ===== HEADER ===== */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}
.logo svg {
  width: 32px;
  height: 32px;
}
.header-nav {
  display: flex;
  gap: 8px;
}
.header-nav a {
  padding: 8px 16px;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
}
.header-nav a:hover {
  background: var(--bg);
  color: var(--primary);
}
.header-nav a.active {
  background: var(--primary);
  color: #fff;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-right .role-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  background: #eaf2f8;
  color: var(--primary);
  font-weight: 500;
}
.header-user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.user-avatar {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(26, 82, 118, 0.18);
}
.user-avatar:hover {
  transform: translateY(-1px);
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(26, 82, 118, 0.24);
}
.user-avatar.admin {
  background: var(--success);
  box-shadow: 0 2px 6px rgba(39, 174, 96, 0.18);
}
.user-avatar.admin:hover {
  background: #1e8f4f;
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.24);
}
.profile-readonly {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #f8fafc;
  color: var(--text-light);
  font-size: 14px;
}
.profile-modal-desc {
  margin: -8px 0 18px;
  color: var(--text-light);
  font-size: 13px;
  text-align: center;
}
.btn {
  padding: 8px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: #d35400;
}
.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}
.btn-danger {
  background: var(--danger);
  color: #fff;
}
/* ===== HERO ===== */
.hero {
  background: #2a5f8a;
  padding: 50px 40px 40px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 4v16M4 12h16' stroke='%23ffffff' stroke-opacity='0.06' stroke-width='1'/%3E%3C/svg%3E");
}
.hero h1 {
  font-size: 36px;
  margin-bottom: 12px;
  position: relative;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.hero p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 30px;
  position: relative;
}
/* search mode pills */
.search-mode-pills {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  padding: 4px;
  margin-bottom: 16px;
  position: relative;
}
.search-mode-pills button {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.search-mode-pills button .pill-icon {
  font-size: 14px;
}
.search-mode-pills button .pill-ai {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.2);
  padding: 1px 7px;
  border-radius: 20px;
  margin-left: 2px;
}
.search-mode-pills button.active {
  background: #fff;
  color: #333;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.search-mode-pills button.active .pill-ai {
  background: #e67e22;
  color: #fff;
}
.search-box {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  background: #fff;
  border-radius: 50px;
  padding: 5px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  position: relative;
}
.search-box .search-input {
  flex: 1;
  border: none;
  border-radius: 50px;
  font-size: 16px;
  padding: 12px 20px;
  outline: none;
  color: #333;
  background: transparent;
}
.search-box .search-input::placeholder {
  color: #999;
}
.search-box .search-btn {
  background: #e67e22;
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.search-box .search-btn:hover {
  background: #d35400;
}
/* unified search bar (8.png style) */
.unified-search-bar {
  display: flex;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  gap: 8px;
  max-width: 1160px;
  margin: 0 auto;
}
/* SEARCH-005：点首页「✨ AI 检索」后跳搜索页的高亮反馈（2.5s 消退） */
.unified-search-bar.ai-active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.18), 0 2px 12px rgba(0, 102, 204, 0.25);
  animation: usb-ai-pulse 1.2s ease-in-out 2;
}
@keyframes usb-ai-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.18), 0 2px 12px rgba(0, 102, 204, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(0, 102, 204, 0.10), 0 2px 16px rgba(0, 102, 204, 0.35); }
}
.unified-search-bar .usb-input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 15px;
  outline: none;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s;
}
.unified-search-bar .usb-input:focus {
  border-color: var(--primary-light);
}
.unified-search-bar .usb-input::placeholder {
  color: #bbb;
}
.unified-search-bar .usb-search-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.unified-search-bar .usb-search-btn:hover {
  background: var(--primary-dark);
}
.unified-search-bar .usb-toggle-group {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.unified-search-bar .usb-toggle-btn {
  background: var(--white);
  color: var(--text-light);
  border: none;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.unified-search-bar .usb-toggle-btn:first-child {
  border-right: 1px solid var(--border);
}
.unified-search-bar .usb-toggle-btn.active {
  background: var(--primary);
  color: #fff;
}
.unified-search-bar .usb-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
/* ===== STATS BAR ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 900px;
  margin: -30px auto 0;
  position: relative;
  z-index: 10;
}
.stat-card {
  background: var(--white);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  margin: 0 8px;
}
.stat-card .num {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}
.stat-card .label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}
/* ===== SECTIONS ===== */
.section {
  padding: 60px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary-dark);
}
.section-desc {
  color: var(--text-light);
  margin-bottom: 30px;
  font-size: 14px;
}
/* ===== CATEGORY GRID ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.cat-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.cat-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.cat-item .icon {
  font-size: 28px;
  margin-bottom: 8px;
}
.cat-item .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.cat-item .count {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}
/* ===== CHIP LIST ===== */
.chip-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chip-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 20px;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s;
}
.chip-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}
.chip-card .model {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}
.chip-card .vendor {
  font-size: 13px;
  color: var(--text-light);
}
/* ===== REVIEW ROW DETAIL ===== */
.row-detail {
  background: #fafbfc;
  border-top: 1px solid var(--border);
}
.row-detail td {
  padding: 12px 20px !important;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px 16px;
  max-height: 400px;
  overflow-y: auto;
}
.detail-item {
  font-size: 12px;
  line-height: 1.6;
  display: flex;
}
.detail-item .dl {
  color: var(--text-light);
  min-width: 90px;
  flex-shrink: 0;
}
.detail-item .dv {
  color: var(--text);
  font-weight: 500;
  word-break: break-all;
}
.detail-section-title {
  grid-column: 1 / -1;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  padding: 6px 0 2px;
  border-bottom: 1px solid var(--border);
  margin: 4px 0;
}

.chip-card .desc {
  font-size: 13px;
  color: var(--text);
  margin-top: 4px;
  line-height: 1.5;
}
.chip-card .params {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.chip-card .param-tag {
  font-size: 11px;
  padding: 3px 10px;
  background: #eaf2f8;
  color: var(--primary);
  border-radius: 20px;
}
.chip-card .match-score {
  text-align: center;
  padding: 12px 20px;
  background: #eafaf1;
  border-radius: var(--radius);
  min-width: 80px;
}
.chip-card .match-score .score {
  font-size: 22px;
  font-weight: 700;
  color: var(--success);
}
.chip-card .match-score .label {
  font-size: 10px;
  color: var(--text-light);
}
.chip-card .actions {
  display: flex;
  gap: 8px;
}
/* ===== CHIP CATEGORY TAGS ===== */
.chip-card .cat-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.cat-tag {
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 20px;
  font-weight: 500;
}
.cat-tag.auto {
  background: #fdebd0;
  color: #b7470a;
}
.cat-tag.general {
  background: #d5f5e3;
  color: #1a7a3a;
}
.cat-tag.lowpower {
  background: #d6eaf8;
  color: #1a5276;
}
.cat-tag.industrial {
  background: #f2f3f4;
  color: #555;
}
.cat-tag.iot {
  background: #e8daef;
  color: #6c3483;
}
/* ===== FILTER BAR ===== */
/* refined filter bar (compact) */
.refine-bar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.refine-bar .rb-label {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
  font-weight: 500;
}
.refine-bar .rb-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
  flex-shrink: 0;
}
.refine-bar .rb-select {
  padding: 5px 24px 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  outline: none;
  color: var(--text);
  background: var(--white)
    url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E")
    no-repeat right 6px center;
  background-size: 10px;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  white-space: nowrap;
  min-width: 72px;
  line-height: 1.4;
}
.refine-bar .rb-select:focus {
  border-color: var(--primary-light);
}
.refine-bar .rb-more {
  background: none;
  border: 1px dashed var(--border);
  color: var(--primary-light);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
  white-space: nowrap;
  line-height: 1.4;
}
.refine-bar .rb-more:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.refine-bar .rb-btn {
  border-radius: 4px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  line-height: 1.4;
}
/* filter group: range + exact compact */
.filter-group-item {
  display: flex;
  align-items: center;
  gap: 0;
}
.filter-group-item .filter-visual-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}
.filter-group-item .rb-exact {
  min-width: 64px;
}
/* ===== PARAM FILTER BAR (category page, legacy) ===== */
.param-filter-bar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.param-filter-bar .pf-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}
.param-filter-bar select {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  outline: none;
  cursor: pointer;
  color: var(--text);
}
.param-filter-bar select:focus {
  border-color: var(--primary-light);
}
.param-filter-bar .pf-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}
/* ===== SIDEBAR LAYOUT ===== */
.content-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  padding: 24px 40px;
  max-width: 1400px;
  margin: 0 auto;
}
.sidebar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  height: fit-content;
}
.sidebar h3 {
  font-size: 15px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  color: var(--primary-dark);
}
.sidebar .filter-group {
  margin-bottom: 16px;
}
.sidebar .filter-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  display: block;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sidebar .filter-group select,
.sidebar .filter-group input[type='text'] {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  outline: none;
}
.sidebar .filter-group select:focus,
.sidebar .filter-group input:focus {
  border-color: var(--primary-light);
}
.sidebar .checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar .checkbox-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
.sidebar .checkbox-list input[type='checkbox'] {
  accent-color: var(--primary);
}
.main-content {
  min-width: 0;
}
/* ===== DETAIL PAGE ===== */
.detail-header {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-bottom: 20px;
}
.detail-header .top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.detail-header h1 {
  font-size: 24px;
  color: var(--primary);
}
.detail-header .vendor-tag {
  display: inline-block;
  padding: 4px 14px;
  background: #eaf2f8;
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  margin-top: 8px;
}
.detail-header .status-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}
.detail-header .status-tag.active {
  background: #eafaf1;
  color: var(--success);
}
.detail-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
}
.detail-tabs button {
  padding: 12px 24px;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}
.detail-tabs button:first-child {
  border-radius: var(--radius) 0 0 var(--radius);
}
.detail-tabs button:last-child {
  border-radius: 0 var(--radius) var(--radius) 0;
}
.detail-tabs button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.detail-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}
.detail-section h3 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  color: var(--primary-dark);
}
/* ===== DETAIL PARAM GRID ===== */
.param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.param-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
}
.param-label {
  color: var(--text-light);
  font-weight: 500;
  font-size: 13px;
}
.param-value {
  font-size: 13px;
  word-break: break-all;
}