/* ============================================================
   物联网管理套件 Demo - 全局样式表
   主题：深色科技风 / 毛玻璃卡片
   ============================================================ */

/* ---------- CSS 变量系统 ---------- */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: rgba(31, 41, 55, 0.55);

  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #06b6d4;
  --color-muted: #6b7280;
  --color-offline: #4b5563;

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-light: rgba(255, 255, 255, 0.12);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-glow-primary: 0 0 12px rgba(59, 130, 246, 0.35);
  --shadow-glow-success: 0 0 12px rgba(16, 185, 129, 0.35);
  --shadow-glow-warning: 0 0 12px rgba(245, 158, 11, 0.35);
  --shadow-glow-danger: 0 0 12px rgba(239, 68, 68, 0.35);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- 滚动条美化 ---------- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

::-webkit-scrollbar-corner {
  background: transparent;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100%;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 16% 0%, rgba(37, 99, 235, 0.10), transparent 32%),
    radial-gradient(circle at 82% 18%, rgba(6, 182, 212, 0.06), transparent 30%),
    linear-gradient(180deg, #060b14 0%, #09111f 52%, #060a13 100%);
  color: var(--text-primary);
  line-height: 1.6;
  height: 100%;
  overflow: hidden;
}

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

a:hover {
  color: var(--color-primary);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: rgba(24, 35, 54, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  outline: none;
  backdrop-filter: blur(12px) saturate(125%);
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

input::placeholder {
  color: var(--text-muted);
}

table {
  border-collapse: collapse;
  width: 100%;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- 全局顶部导航 ---------- */
.app-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.82));
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
}

.app-topbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.app-topbar-logo {
  width: 100px;
  height: 28px;
  margin-top: 4px;
  border-radius: var(--radius-sm);
  display: block;
  object-fit: contain;
}

.app-topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.app-topbar-module {
  font-size: 0.8125rem;
  color: rgba(203, 213, 225, 0.72);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(40, 52, 70, 0.78);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ---------- 页面主容器 ---------- */
.app-main {
  padding-top: 56px;
  height: 100vh;
  overflow: hidden;
}

#appContent {
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.page-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--space-sm) var(--space-lg);
  padding-top: 12px;
}

.tab-content-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  margin-bottom: 20px;
  border-radius: 12px;
}

/* ---------- 页面头部 ---------- */
.page-header {
  margin-bottom: var(--space-lg);
}

.page-header-tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.header-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.header-tag + .header-tag {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: -0.02em;
  text-shadow: 0 0 18px rgba(59, 130, 246, 0.18);
}

/* ---------- 分类栏 ---------- */
.category-bar {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
  margin-bottom: var(--space-lg);
  min-height: 80px;
  align-items: center;
}

.category-bar::-webkit-scrollbar {
  display: none;
}

.category-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(226, 232, 240, 0.92);
  background: rgba(40, 52, 70, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  min-width: 80px;
  text-align: center;
  flex-shrink: 0;
}

.category-item:hover {
  background: rgba(51, 65, 85, 0.86);
  color: #f8fafc;
  border-color: rgba(148, 163, 184, 0.26);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 8px 20px rgba(2, 6, 23, 0.18);
}

.category-item.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.42), rgba(14, 165, 233, 0.26));
  color: #fff;
  border-color: rgba(96, 165, 250, 0.52);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 24px rgba(37, 99, 235, 0.18);
}

.category-count {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.category-label {
  font-size: 0.8125rem;
}

/* ---------- 工具栏 ---------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding-left: 40px;
  padding-right: 80px;
  height: 40px;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}

.search-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
}

.view-toggle {
  display: flex;
  gap: var(--space-xs);
}

.view-btn {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.view-btn:hover,
.view-btn.active {
  color: var(--color-primary-light);
  border-color: var(--color-primary);
  background: rgba(59, 130, 246, 0.1);
}

/* ---------- 卡片视图 ---------- */
.card-view {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: start;
  gap: var(--space-lg);
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: var(--space-sm);
  padding-bottom: var(--space-lg);
}

.device-card {
  background:
    radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(40, 52, 70, 0.94), rgba(22, 32, 50, 0.98));
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  min-height: 200px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.device-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-info));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.device-card:hover::before {
  opacity: 1;
}

.device-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-active, rgba(96, 165, 250, 0.38));
  box-shadow: 0 18px 38px rgba(2, 6, 23, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.device-card-online {
  background:
    radial-gradient(circle at 0% 0%, rgba(16, 185, 129, 0.10), transparent 34%),
    linear-gradient(180deg, rgba(40, 52, 70, 0.94), rgba(22, 32, 50, 0.98));
  border-color: rgba(16, 185, 129, 0.20);
}

.device-card-warning {
  background:
    radial-gradient(circle at 0% 0%, rgba(245, 158, 11, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(40, 52, 70, 0.94), rgba(22, 32, 50, 0.98));
  border-color: rgba(245, 158, 11, 0.22);
}

.device-card-danger {
  background:
    radial-gradient(circle at 0% 0%, rgba(239, 68, 68, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(40, 52, 70, 0.94), rgba(22, 32, 50, 0.98));
  border-color: rgba(239, 68, 68, 0.22);
}

.device-card-offline {
  background:
    radial-gradient(circle at 0% 0%, rgba(148, 163, 184, 0.06), transparent 34%),
    linear-gradient(180deg, rgba(51, 65, 85, 0.86), rgba(30, 41, 59, 0.96));
  border-color: rgba(148, 163, 184, 0.16);
  opacity: 0.88;
}

.device-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.device-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.device-card-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.device-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
  min-height: 0;
  justify-content: center;
}

.device-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  padding: 2px 0;
  color: var(--text-primary);
}

.device-card-meta span:first-child {
  color: rgba(203, 213, 225, 0.72);
  font-size: 0.75rem;
  background: rgba(148, 163, 184, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.device-card-meta span:last-child {
  color: rgba(241, 245, 249, 0.90);
}

.device-card-footer {
  display: flex;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  margin-top: auto;
  border-top: 1px solid rgba(148, 163, 184, 0.10);
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.20));
}

.stat-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.stat-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ---------- 列表视图 ---------- */
.list-view {
  display: none;
}

.list-view.active {
  display: block;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: var(--space-sm);
  padding-bottom: var(--space-lg);
}

/* ---------- 数据表格 ---------- */
.data-table {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(24, 35, 54, 0.84);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.22), inset 0 1px 0 rgba(255,255,255,0.04);
}

.data-table thead {
  background: rgba(40, 52, 70, 0.80);
}

.data-table th,
.data-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:last-child {
  border-bottom: none;
}

/* ---------- Tab 切换样式 ---------- */
.tab-bar {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  background: rgba(24, 35, 54, 0.80);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  border-radius: 12px;
  padding: 6px;
  flex-shrink: 0;
  box-shadow: 0 10px 28px rgba(2, 6, 23, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.16);
}

.tab-item {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border-radius: 10px;
  border: none;
  background: transparent;
}

.tab-item:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-item.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.38), rgba(14, 165, 233, 0.22));
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.16), inset 0 1px 0 rgba(255,255,255,0.08);
}

/* ---------- 状态指示器 ---------- */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: var(--space-sm);
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  opacity: 0.4;
}

.status-online {
  background: var(--color-success);
  box-shadow: 0 0 6px var(--color-success);
}

.status-online::after {
  background: var(--color-success);
  animation: pulse 2s infinite;
}

.status-offline {
  background: var(--color-offline);
}

.status-offline::after {
  display: none;
}

.status-warning {
  background: var(--color-warning);
  box-shadow: 0 0 6px var(--color-warning);
}

.status-warning::after {
  background: var(--color-warning);
  animation: blink 1s infinite;
}

.status-danger {
  background: var(--color-danger);
  box-shadow: 0 0 6px var(--color-danger);
}

.status-danger::after {
  background: var(--color-danger);
  animation: blink 0.5s infinite;
}

/* 状态标签 */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge-online {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.status-badge-offline {
  background: rgba(75, 85, 99, 0.15);
  color: var(--color-offline);
}

.rt-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-sans);
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.rt-badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.25);
}

.rt-badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.25);
}

.rt-badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.25);
}

.rt-badge-gray {
  background: rgba(148, 163, 184, 0.16);
  color: #94a3b8;
  border-color: rgba(148, 163, 184, 0.2);
}

.status-badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
}

.status-badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
}

/* ---------- 按钮样式 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-glow-primary);
}

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}

.btn-warning {
  background: var(--color-warning);
  color: #1f2937;
  border-color: var(--color-warning);
}

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

/* ---------- 统一线性图标 ---------- */
.ui-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
  color: currentColor;
  vertical-align: -0.15em;
}

.device-stat-icon {
  width: 14px;
  height: 14px;
  color: var(--text-secondary);
  opacity: 0.85;
}

.search-icon .ui-icon {
  width: 16px;
  height: 16px;
}

.product-panel-icon .ui-icon {
  width: 22px;
  height: 22px;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color-light);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
}

/* ---------- 动画关键帧 ---------- */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0; transform: scale(2); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes flash-green {
  0% { background-color: rgba(16, 185, 129, 0); }
  50% { background-color: rgba(16, 185, 129, 0.3); }
  100% { background-color: rgba(16, 185, 129, 0); }
}

@keyframes flash-red {
  0% { background-color: rgba(239, 68, 68, 0); }
  50% { background-color: rgba(239, 68, 68, 0.3); }
  100% { background-color: rgba(239, 68, 68, 0); }
}

@keyframes water-flash {
  0%, 100% { opacity: 0.7; filter: drop-shadow(0 0 8px rgba(239,68,68,0.3)); }
  50% { opacity: 1; filter: drop-shadow(0 0 20px rgba(239,68,68,0.6)); }
}

.water-alert {
  animation: water-flash 0.6s ease-in-out infinite;
}

/* ---------- 工具类 ---------- */
.hidden {
  display: none !important;
}

.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1280px) {
  .card-view {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .card-view {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-container {
    padding: var(--space-md) var(--space-lg);
  }
  .detail-header-main {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  .detail-info-bar {
    justify-content: flex-start;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .card-view {
    grid-template-columns: 1fr;
  }
  .app-topbar {
    padding: 0 var(--space-md);
  }
  .page-container {
    padding: var(--space-sm) var(--space-md);
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box {
    max-width: none;
  }
  .detail-title-glow {
    font-size: 1.25rem;
  }
  .info-card {
    min-width: 100px;
    padding: var(--space-xs) var(--space-sm);
  }
}

/* ---------- 详情页专用 ---------- */
.detail-header {
  background:
    radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.12), transparent 36%),
    linear-gradient(135deg, rgba(40, 52, 70, 0.88) 0%, rgba(22, 32, 50, 0.96) 100%);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 12px;
  padding: var(--space-sm) 0;
  margin-bottom: var(--space-sm);
  flex-shrink: 0;
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.detail-header-main {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  padding: 0 var(--space-md);
  margin: 10px;
}

.detail-title-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.detail-title-glow {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  text-shadow: 0 0 16px rgba(59, 130, 246, 0.35);
  letter-spacing: 0.03em;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.back-link:hover {
  color: var(--text-primary);
  border-color: var(--color-primary);
  background: rgba(59, 130, 246, 0.1);
}

.detail-tags {
  display: flex;
  gap: var(--space-sm);
}

.detail-info-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
  justify-content: flex-end;
}

.info-card {
  background: rgba(24, 35, 54, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  min-width: 120px;
  text-align: center;
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  transition: all var(--transition-fast);
}

.info-card:hover {
  background: rgba(51, 65, 85, 0.90);
  border-color: rgba(148, 163, 184, 0.18);
}

.info-card-label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-card-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ---------- 基础信息左右分栏 ---------- */
.basic-info-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-lg);
}

.basic-info-left,
.basic-info-right {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.basic-info-left .panel-section,
.basic-info-right .panel-section {
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* 设备信息表格 - 每行两个字段（标签+值为一组），行高均分与右侧对齐 */
.info-table {
  display: flex;
  flex-direction: column;
  flex: 1;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(24, 35, 54, 0.84);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
}

.info-table-row {
  display: grid;
  grid-template-columns: 150px 1fr 150px 1fr;
  border-bottom: 1px solid var(--border-color);
  flex: 1;
  min-height: 0;
  align-items: stretch;
}

.info-table-row:last-child {
  border-bottom: none;
}

.info-table-label {
  background: rgba(40, 52, 70, 0.80);
  color: rgba(203, 213, 225, 0.78);
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  border-right: 1px solid rgba(148, 163, 184, 0.10);
}

.info-table-label:nth-of-type(2) {
  border-left: 1px solid var(--border-color);
}

.info-table-value {
  color: rgba(241, 245, 249, 0.92);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  background: rgba(24, 35, 54, 0.78);
  border-right: 1px solid rgba(148, 163, 184, 0.10);
}

.info-table-value:last-child {
  border-right: none;
}

/* 产品信息面板 */
.product-panel {
  background: rgba(24, 35, 54, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 1;
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.20), inset 0 1px 0 rgba(255,255,255,0.04);
}

.product-panel-body {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-panel-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl) var(--space-lg);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(6, 182, 212, 0.07));
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.product-panel-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(6, 182, 212, 0.14));
  border: 1px solid rgba(96, 165, 250, 0.30);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.14), inset 0 1px 0 rgba(255,255,255,0.06);
}

.product-panel-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.product-panel-model {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.25);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
}

.product-panel-body {
  padding: var(--space-md) var(--space-lg);
}

.product-panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  min-height: 36px;
}

.product-panel-row:last-child {
  border-bottom: none;
}

.product-panel-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.product-panel-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
  text-align: right;
}

@media (max-width: 1024px) {
  .basic-info-layout {
    grid-template-columns: 1fr;
  }
}

/* ---------- Tab 面板 ---------- */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  height: 100%;
}

.panel-section {
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 12px 0px;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

/* ---------- 属性网格 ---------- */
.prop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}

.prop-card {
  background: rgba(24, 35, 54, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  transition: all var(--transition-fast);
  position: relative;
  backdrop-filter: blur(14px) saturate(125%);
  -webkit-backdrop-filter: blur(14px) saturate(125%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.035);
}

.prop-card:hover {
  background: rgba(51, 65, 85, 0.90);
  border-color: rgba(96, 165, 250, 0.24);
}

.prop-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.prop-card-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

.prop-card-identifier {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: var(--space-sm);
}

.prop-card-value-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.prop-card-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.prop-card-unit {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: var(--space-xs);
}

.prop-card-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
}

.prop-card-status.online {
  color: var(--color-success);
}

.prop-card-status.offline {
  color: var(--color-offline);
}

.prop-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.prop-card-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.prop-card-history {
  font-size: 0.75rem;
  color: var(--color-primary-light);
  cursor: pointer;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.1);
  border: none;
}

.prop-card-history:hover {
  background: rgba(59, 130, 246, 0.2);
}

/* ---------- 事件列表 ---------- */
.event-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
  transition: background var(--transition-fast);
}

.event-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.event-item.warning {
  border-left-color: var(--color-warning);
}

.event-item.danger {
  border-left-color: var(--color-danger);
}

.event-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.event-content {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ---------- 模型树 ---------- */
.model-tree {
  font-size: 0.875rem;
}

.model-tree-node {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.model-tree-node:hover {
  background: rgba(255, 255, 255, 0.03);
}

.model-tree-children {
  padding-left: var(--space-lg);
  border-left: 1px solid var(--border-color);
  margin-left: var(--space-md);
}

/* ---------- 标签 ---------- */
.tags-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.tags-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.tags-section-header {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  width: fit-content;
}

.tags-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  font-style: italic;
}

.tags-section-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.8), rgba(59, 130, 246, 0.8));
  padding: 2px 10px;
  border-radius: var(--radius-xl);
  min-width: 24px;
  text-align: center;
}

.tags-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.tag-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: all var(--transition-fast);
}

.tag-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.tag-card-name {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.tag-card-value {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 500;
  text-align: center;
}

@media (max-width: 1280px) {
  .tags-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1024px) {
  .tags-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .tags-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color-light);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 420px;
  width: 90%;
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-overlay.show .modal-dialog {
  transform: scale(1);
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.modal-message {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-xl);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* ---------- 数字档案 ---------- */
.archive-layout {
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: var(--space-md);
  margin-top: 12px;
}

.archive-subtabs {
  display: inline-flex;
  width: fit-content;
  gap: var(--space-xs);
  padding: 5px;
  border-radius: 12px;
  background: rgba(30, 41, 59, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.16);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
}

.archive-subtab-btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: 9px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.archive-subtab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.archive-subtab-btn.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.38), rgba(14, 165, 233, 0.22));
}

.archive-panel {
  display: none;
  min-height: 0;
}

.archive-panel.active {
  display: block;
}

.archive-summary-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.archive-summary-card,
.ota-current-card,
.ota-history-card,
.archive-record-card {
  background: linear-gradient(180deg, rgba(40, 52, 70, 0.92), rgba(22, 32, 50, 0.96));
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
}

.archive-summary-card {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.archive-summary-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f8fafc;
}

.archive-summary-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.archive-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.archive-filter-group {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.archive-filter-btn {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(30, 41, 59, 0.58);
  transition: all var(--transition-fast);
}

.archive-filter-btn:hover,
.archive-filter-btn.active {
  color: #fff;
  border-color: rgba(96, 165, 250, 0.42);
  background: rgba(37, 99, 235, 0.24);
}

.archive-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.archive-search-input {
  width: 260px;
  height: 34px;
}

.archive-timeline {
  position: relative;
  padding-left: 24px;
}

.archive-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(148, 163, 184, 0.18);
}

.archive-timeline-item {
  position: relative;
  margin-bottom: var(--space-md);
}

.archive-timeline-dot {
  position: absolute;
  left: -22px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary-light);
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.45);
}

.archive-type-maintain .archive-timeline-dot { background: #06b6d4; }
.archive-type-fault .archive-timeline-dot { background: #f59e0b; }
.archive-type-upgrade .archive-timeline-dot { background: #8b5cf6; }
.archive-type-param .archive-timeline-dot { background: #94a3b8; }
.archive-type-part .archive-timeline-dot { background: #10b981; }

.archive-record-card {
  padding: var(--space-md);
}

.archive-record-card-clickable {
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.archive-record-card-clickable:hover {
  transform: translateY(-1px);
  border-color: rgba(96, 165, 250, 0.34);
  background: linear-gradient(180deg, rgba(51, 65, 85, 0.96), rgba(22, 32, 50, 0.98));
  box-shadow: 0 18px 38px rgba(2, 6, 23, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.archive-attachment-summary {
  color: #bfdbfe;
  background: rgba(59, 130, 246, 0.10);
  border: 1px solid rgba(96, 165, 250, 0.18);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
}

.archive-record-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.archive-record-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.archive-record-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.archive-type-badge,
.ota-result-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: #bfdbfe;
  background: rgba(59, 130, 246, 0.14);
  border: 1px solid rgba(96, 165, 250, 0.22);
}

.archive-record-content {
  color: rgba(226, 232, 240, 0.86);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.archive-record-meta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.archive-record-actions {
  display: flex;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.archive-record-actions button {
  font-size: 0.75rem;
  color: var(--color-primary-light);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.10);
}

.archive-record-actions button.danger {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.10);
}

.archive-empty {
  padding: 48px;
  text-align: center;
  color: var(--text-secondary);
  border: 1px dashed rgba(148, 163, 184, 0.20);
  border-radius: var(--radius-md);
  background: rgba(30, 41, 59, 0.35);
}

.archive-empty-title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.archive-empty-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.ota-current-card {
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.ota-current-label,
.ota-section-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.ota-current-version {
  font-size: 2rem;
  font-weight: 700;
  color: #f8fafc;
}

.ota-current-model {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ota-current-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.ota-current-grid div {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.42);
}

.ota-current-grid span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.ota-current-grid strong {
  display: block;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-top: 2px;
}

.ota-history-card {
  padding: var(--space-md);
  overflow-x: auto;
}

.ota-table {
  width: 100%;
  min-width: 860px;
}

.ota-table th,
.ota-table td {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.10);
}

.ota-table th {
  color: var(--text-secondary);
  font-weight: 600;
}

.ota-table td {
  color: rgba(226, 232, 240, 0.86);
}

.ota-result-badge.success {
  color: #86efac;
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.22);
}

.ota-result-badge.danger {
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.22);
}

.archive-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 1120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: rgba(2, 6, 23, 0.66);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.archive-detail-dialog {
  width: min(640px, 92vw);
  max-height: min(680px, calc(100vh - 64px));
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.98), rgba(17, 24, 39, 0.99));
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 18px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.archive-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.10);
  flex-shrink: 0;
}

.archive-detail-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.archive-detail-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.archive-detail-operator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.18);
  color: #6ee7b7;
  flex-shrink: 0;
}

.archive-detail-close-btn {
  color: var(--text-secondary);
  font-size: 1.35rem;
  line-height: 1;
  padding: 4px;
  flex-shrink: 0;
}

.archive-detail-close-btn:hover {
  color: var(--text-primary);
}

.archive-detail-body {
  padding: 24px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: none;
}

.archive-detail-body::-webkit-scrollbar {
  display: none;
}

.archive-detail-meta-row {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.archive-detail-meta-chip {
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.50);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.archive-detail-meta-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.6875rem;
  margin-bottom: 2px;
}

.archive-detail-meta-value {
  color: #e2e8f0;
  font-weight: 500;
  font-size: 0.8125rem;
}

.archive-detail-section {
  margin-bottom: 18px;
}

.archive-detail-section-title {
  font-size: 0.71875rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.archive-detail-content-card {
  color: rgba(226, 232, 240, 0.88);
  font-size: 0.875rem;
  line-height: 1.8;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.32);
  border: 1px solid rgba(148, 163, 184, 0.10);
  white-space: pre-wrap;
}

.archive-detail-empty {
  padding: 16px;
  color: var(--text-muted);
  text-align: center;
  font-size: 0.8125rem;
  border: 1px dashed rgba(148, 163, 184, 0.14);
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.28);
}

.archive-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.archive-image-thumb {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-sm);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.32);
  text-align: left;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.archive-image-thumb:hover {
  border-color: rgba(96, 165, 250, 0.40);
  background: rgba(30, 41, 59, 0.62);
}

.archive-image-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.7);
}

.archive-image-thumb span,
.archive-video-name {
  color: var(--text-secondary);
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-video-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.archive-video-card {
  padding: var(--space-sm);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.42);
}

.archive-video-card video {
  width: 100%;
  max-height: 320px;
  margin-top: var(--space-sm);
  border-radius: 8px;
  background: #020617;
}

.archive-image-preview-overlay {
  position: fixed;
  inset: 0;
  z-index: 1140;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.archive-image-preview-dialog {
  position: relative;
  max-width: min(1100px, 94vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

.archive-image-preview-dialog img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: #020617;
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.52);
}

.archive-image-preview-close {
  position: absolute;
  top: -18px;
  right: -18px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  color: var(--text-primary);
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.26);
  font-size: 1.25rem;
  line-height: 1;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.36);
}

.archive-image-preview-close:hover {
  color: #fff;
  border-color: rgba(96, 165, 250, 0.48);
  background: rgba(30, 41, 59, 0.96);
}

.archive-image-preview-name {
  max-width: 100%;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-editor-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: rgba(2, 6, 23, 0.64);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.archive-editor-dialog {
  width: min(600px, 92vw);
  max-height: min(680px, calc(100vh - 64px));
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.98), rgba(17, 24, 39, 0.99));
  border: 1px solid rgba(148, 163, 184, 0.20);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 90px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.04);
}

.archive-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.10);
  flex-shrink: 0;
}

.archive-editor-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.archive-editor-header h3 {
  color: var(--text-primary);
  font-size: 1rem;
  margin: 0;
}

.archive-editor-operator {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.18);
  color: #6ee7b7;
}

.archive-editor-close-btn {
  color: var(--text-secondary);
  font-size: 1.35rem;
  line-height: 1;
  padding: 4px;
}

.archive-editor-close-btn:hover {
  color: var(--text-primary);
}

.archive-editor-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.10);
  flex-shrink: 0;
}

.archive-editor-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: none;
}

.archive-editor-body::-webkit-scrollbar {
  display: none;
}

.archive-editor-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.archive-editor-label {
  font-size: 0.71875rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.archive-editor-body input,
.archive-editor-body textarea {
  width: 100%;
}

.archive-editor-body textarea {
  min-height: 70px;
  resize: vertical;
}

.archive-editor-time-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.archive-editor-time-row input {
  flex: 1;
  min-width: 0;
}

.archive-editor-now-btn {
  flex-shrink: 0;
  padding: 9px 16px;
  border-radius: 9px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(59, 130, 246, 0.10);
  border: 1px solid rgba(96, 165, 250, 0.20);
  color: #93c5fd;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.archive-editor-now-btn:hover {
  background: rgba(59, 130, 246, 0.20);
  border-color: rgba(96, 165, 250, 0.38);
  color: #bfdbfe;
}

.archive-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.archive-type-option {
  padding: 11px 8px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  background: rgba(30, 41, 59, 0.68);
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: #cbd5e1;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.archive-type-option:hover {
  border-color: rgba(96, 165, 250, 0.40);
  background: rgba(37, 99, 235, 0.10);
  color: #e2e8f0;
}

.archive-type-option.selected {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.45), rgba(14, 165, 233, 0.28));
  border-color: rgba(96, 165, 250, 0.55);
  color: #fff;
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.28), inset 0 1px 0 rgba(255,255,255,0.06);
}

.archive-attachment-editor {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px dashed rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.24);
}

.archive-attachment-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.archive-attachment-editor-header strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.archive-attachment-editor-header span {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 2px;
}

.archive-file-button {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.archive-file-button input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.archive-attachment-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.archive-attachment-empty {
  color: var(--text-muted);
  font-size: 0.8125rem;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.28);
}

.archive-attachment-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: rgba(30, 41, 59, 0.64);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.archive-attachment-main {
  min-width: 0;
}

.archive-attachment-name {
  display: block;
  max-width: 520px;
  color: var(--text-primary);
  font-size: 0.8125rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-attachment-meta {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 2px;
}

.archive-attachment-item button {
  color: #fca5a5;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.10);
}

#archiveFormError {
  margin-right: auto;
  color: #fca5a5;
  font-size: 0.8125rem;
}

@media (max-width: 768px) {
  .archive-summary-row,
  .ota-current-card,
  .ota-current-grid {
    grid-template-columns: 1fr;
  }
  .archive-actions,
  .archive-search-input {
    width: 100%;
  }
}

/* ---------- SCADA ---------- */
.scada-container {
  display: flex;
  gap: var(--space-lg);
  height: 100%;
  min-height: 400px;
  margin-top: 12px;
}

.scada-left {
  flex: 3;
  min-width: 0;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
}

.scada-left .scada-svg-wrapper {
  flex: 1;
  width: 100%;
  height: 100%;
}

.scada-right {
  flex: 2;
  min-width: 320px;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  overflow: hidden;
  min-height: 0;
}

.scada-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.scada-panel .panel-title {
  flex-shrink: 0;
}

.scada-panel .realtime-props {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.scada-subtabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-sm);
  flex-shrink: 0;
}

.scada-subtab-btn {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.scada-subtab-btn:hover {
  color: var(--text-primary);
}

.scada-subtab-btn.active {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
}

.scada-subtab-panel {
  display: none;
  flex: 1;
  min-height: 0;
}

.scada-subtab-panel.active {
  display: block;
}

.scada-panel .service-cards {
  flex-shrink: 0;
}

.scada-panel .exec-log {
  flex-shrink: 0;
}

.panel-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

/* ---------- 子Tab ---------- */
.model-subtabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 1px solid var(--border-color);
  margin-top: 12px;
  margin-bottom: var(--space-lg);
  padding: 0 var(--space-md);
}

.subtab-btn {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.subtab-btn:hover {
  color: var(--text-primary);
}

.subtab-btn.active {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
}

.subtab-panel {
  display: none;
}

.subtab-panel.active {
  display: block;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .scada-container {
    flex-direction: column;
    height: auto;
  }
  .scada-left {
    min-height: 400px;
  }
  .scada-right {
    flex: none;
    max-width: none;
  }
  .detail-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .detail-header {
    margin-left: calc(var(--space-lg) * -1);
    margin-right: calc(var(--space-lg) * -1);
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .detail-title-glow {
    font-size: 1.5rem;
  }
  .info-card {
    min-width: 120px;
    padding: var(--space-sm) var(--space-md);
  }
}

@media (max-width: 640px) {
  .detail-info-grid {
    grid-template-columns: 1fr;
  }
  .info-table-label {
    width: 110px;
    font-size: 0.8125rem;
  }
  .info-table-value {
    font-size: 0.8125rem;
  }
  .detail-header {
    margin-left: calc(var(--space-md) * -1);
    margin-right: calc(var(--space-md) * -1);
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}

/* ============================================================
   线路侧栏 (Line Sidebar)
   ============================================================ */
.list-layout {
  display: flex;
  flex: 1;
  min-height: 0;
}

.line-sidebar {
  width: 180px;
  min-width: 180px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.7) 100%);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 10px;
  overflow-y: auto;
  overflow-x: hidden;
}

.line-sidebar::-webkit-scrollbar {
  width: 3px;
}

.line-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

.line-sidebar-header {
  padding: 6px 8px 14px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(148, 163, 184, 0.45);
  font-weight: 500;
}

/* 单条线路行 */
.line-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  margin-bottom: 3px;
  background: transparent;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.line-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.line-item.active {
  background: var(--line-bg, rgba(34, 211, 238, 0.06));
  border-color: var(--line-border, rgba(34, 211, 238, 0.12));
}

/* 线路编号方块 */
.line-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-border, rgba(255, 255, 255, 0.1));
  background: var(--line-bg-light, rgba(255, 255, 255, 0.05));
  flex-shrink: 0;
  position: relative;
  transition: all 0.2s ease;
}

.line-item.active .line-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--line-gradient, linear-gradient(135deg, #22d3ee, #06b6d4));
  border-color: transparent;
  box-shadow: var(--line-glow, 0 4px 16px rgba(34, 211, 238, 0.35)), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.line-badge-num {
  font-weight: 700;
  font-size: 12px;
  color: var(--line-color, #94a3b8);
  transition: all 0.2s ease;
}

.line-item.active .line-badge-num {
  font-weight: 800;
  font-size: 13px;
  color: #0a0e1a;
}

/* 选中态右下角指示点 */
.line-badge-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-color, #22d3ee);
  box-shadow: 0 0 6px var(--line-color, rgba(34, 211, 238, 0.8));
  border: 2px solid var(--bg-primary);
  opacity: 0;
  transform: scale(0);
  transition: all 0.2s ease;
}

.line-item.active .line-badge-dot {
  opacity: 1;
  transform: scale(1);
}

/* 线路文字信息 */
.line-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.line-name {
  font-weight: 500;
  color: rgba(226, 232, 240, 0.65);
  font-size: 12px;
  transition: all 0.2s ease;
}

.line-item.active .line-name {
  font-weight: 600;
  color: #e2e8f0;
  font-size: 13px;
}

.line-subtitle {
  font-size: 10px;
  color: rgba(148, 163, 184, 0.35);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.2s ease;
}

.line-item.active .line-subtitle {
  color: rgba(148, 163, 184, 0.5);
}

/* 列表主内容区 */
.list-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.list-main .page-container {
  height: auto;
  min-height: 100%;
}

/* ============================================================
   站点横向选择器 (Station Selector)
   ============================================================ */
.station-selector {
  position: relative;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 8px 8px;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
}

.station-scroll-container {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  overflow-y: visible;
  padding: 0 4px;
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  scrollbar-width: none;
  position: relative;
}

.station-scroll-container::-webkit-scrollbar {
  display: none;
}

/* 渐变遮罩 — sticky 伪元素在滚动区两侧 */
.station-scroll-container::before,
.station-scroll-container::after {
  content: '';
  position: sticky;
  top: 0;
  width: 36px;
  flex-shrink: 0;
  z-index: 2;
  pointer-events: none;
}

.station-scroll-container::before {
  left: 0;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.95), transparent);
  margin-right: -36px;
}

.station-scroll-container::after {
  right: 0;
  background: linear-gradient(to left, rgba(15, 23, 42, 0.95), transparent);
  margin-left: -36px;
}

/* 箭头按钮 */
.station-arrow-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #94a3b8;
  flex-shrink: 0;
  transition: all 0.2s ease;
  margin: 0 10px;
  z-index: 3;
}

.station-arrow-btn:hover {
  color: #e2e8f0;
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.3);
}

.station-arrow-btn:active {
  transform: scale(0.9);
}

.station-arrow-btn.disabled {
  opacity: 0.25;
  pointer-events: none;
}

/* 单个站点项 */
.station-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.station-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #475569;
  transition: color 0.2s ease;
}

.station-icon {
  display: block;
}

/* 选中态 — 普通站和换乘站统一用线路色 */
.station-item.active .station-dot {
  color: var(--station-color, #22d3ee);
}

/* 普通站选中加发光 */
.station-item:not(.interchange).active .station-dot {
  filter: drop-shadow(0 0 5px var(--station-color, rgba(34, 211, 238, 0.6)));
}

/* 换乘站选中加光晕 */
.station-item.interchange.active .station-dot {
  filter: drop-shadow(0 0 5px var(--station-color, rgba(34, 211, 238, 0.5)));
}

/* 站点间连线 */
.station-line {
  height: 1.5px;
  min-width: 28px;
  background: rgba(255, 255, 255, 0.18);
  align-self: flex-start;
  margin-top: 10px;
  flex-shrink: 0;
}

.station-name {
  font-size: 14px;
  color: #64748b;
  white-space: nowrap;
  margin-top: 5px;
  transition: all 0.2s ease;
}

.station-item.active .station-name {
  color: #e2e8f0;
  font-weight: 600;
}

/* 响应式：小屏隐藏侧栏 */
@media (max-width: 768px) {
  .line-sidebar {
    display: none;
  }

  .station-scroll-container {
    padding: 0 40px;
  }

  .station-item {
    min-width: 52px;
  }

  .station-line {
    min-width: 20px;
  }
}

@media (max-width: 640px) {
  .station-selector {
    padding: 12px 0 8px;
  }

  .station-item {
    min-width: 44px;
  }

  .station-line {
    min-width: 14px;
  }

  .station-name {
    font-size: 12px;
  }
}