/* ============================================================
   云界光年 GEO 平台 - 组件与布局补充样式
   补齐三端共用的 Bootstrap 风格类 + A/C 端布局 + 响应式 + C 端美化
   （app.css 仅含基础按钮/卡片/表格/标准 .layout 体系，此处补充其余）
   依赖 app.css 的 :root 变量
   ============================================================ */

/* ============ A 端布局（侧边栏 + 顶栏） ============ */
.sidebar-brand {
  display: flex; align-items: center; gap: 10px; height: var(--header-h);
  padding: 0 18px; color: #fff; font-size: 15px; font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06); flex-shrink: 0;
}
.sidebar-brand .brand-icon {
  width: 32px; height: 32px; border-radius: 9px; background: var(--brand-grad-2);
  display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0;
}
/* 贴牌品牌 logo 图片（B端侧边栏 + C端白标侧边栏通用） */
.sidebar .logo .logo-mark .brand-img,
.sidebar-brand .brand-icon .brand-img { width: 100%; height: 100%; border-radius: 9px; object-fit: cover; display: block; }
/* 品牌设置：Logo 上传预览 */
.brand-edit { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.brand-prev { width: 56px; height: 56px; border-radius: 10px; border: 1px dashed var(--border); background: #f8fafc; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; color: var(--text-3); overflow: hidden; }
img.brand-prev { object-fit: contain; }
.sidebar-subtitle { padding: 4px 18px 10px; font-size: 11px; color: #64748b; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 2px; }

.main-content {
  margin-left: var(--sidebar-w); min-height: 100vh; display: flex;
  flex-direction: column; background: var(--bg);
}
.main-content .page-content { padding: 24px; flex: 1; }
.topbar {
  height: var(--header-h); background: #fff; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px; padding: 0 24px;
  position: sticky; top: 0; z-index: 50;
}
.topbar-title { font-size: 17px; font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45); z-index: 99; }

/* ============================================================
   A / B 端 AI 科幻风背景（深色深空底 + 浮层白卡 + 漂移光晕）
   A 端：.a-layout > .sidebar + .main-content
   B 端：.layout > .sidebar + .main
   ============================================================ */

/* 侧边栏：深蓝→青渐变（A/B 共用 .sidebar） */
.sidebar {
  background: linear-gradient(180deg, #0e1f42 0%, #142a55 55%, #0b3346 100%);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.28);
}

/* A 端内容区：网格 + 双色径向光晕（深空底） */
.a-layout .main-content {
  position: relative;
  background:
    linear-gradient(rgba(120, 170, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.05) 1px, transparent 1px),
    radial-gradient(ellipse 70% 55% at 0% 0%, rgba(43, 111, 243, 0.20), transparent 55%),
    radial-gradient(ellipse 65% 50% at 100% 100%, rgba(0, 198, 200, 0.14), transparent 55%),
    linear-gradient(160deg, #0a1730 0%, #0f2350 45%, #0b3a4a 100%);
  background-size: 46px 46px, 46px 46px, 100% 100%, 100% 100%, 100% 100%;
}
/* B 端内容区：同款科幻底 */
.layout .main {
  position: relative;
  background:
    linear-gradient(rgba(120, 170, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.05) 1px, transparent 1px),
    radial-gradient(ellipse 70% 55% at 0% 0%, rgba(43, 111, 243, 0.20), transparent 55%),
    radial-gradient(ellipse 65% 50% at 100% 100%, rgba(0, 198, 200, 0.14), transparent 55%),
    linear-gradient(160deg, #0a1730 0%, #0f2350 45%, #0b3a4a 100%);
  background-size: 46px 46px, 46px 46px, 100% 100%, 100% 100%, 100% 100%;
}

/* 漂移光晕（缓慢移动，营造"活"的科技感） */
.a-layout .main-content::before,
.layout .main::before {
  content: ''; position: absolute; width: 620px; height: 620px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 111, 243, 0.18), transparent 70%);
  top: -160px; right: -120px; filter: blur(40px); z-index: 0; pointer-events: none;
  animation: abGlow 15s ease-in-out infinite;
}
@keyframes abGlow { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-46px, 46px); } }

/* 让内容浮在光晕之上 */
.a-layout .page-content,
.layout .main-body { position: relative; z-index: 1; }

/* 直接落在深色底上的文字提亮（卡片内仍是深字，保持可读） */
.a-layout .page-content .page-header h2,
.layout .main-body .page-header h2 { color: #eaf1fb; }
.a-layout .page-content .page-header p,
.layout .main-body .page-header p { color: #9fb3d1; }
.a-layout .page-content .empty-state,
.layout .main-body .empty-state { color: #93a7c4; }
.a-layout .page-content .empty-state .empty-icon,
.layout .main-body .empty-state .empty-icon { opacity: 0.4; }
.a-layout .page-content .toolbar,
.layout .main-body .toolbar { color: #cdd9ec; }

/* 浮层白卡在深底上的层次与描边微光 */
.a-layout .card,
.layout .main-body .card {
  border-color: rgba(255, 255, 255, 0.10);
  box-shadow: 0 8px 28px rgba(3, 10, 25, 0.35);
}
/* 统计卡顶部霓虹条 */
.a-layout .stat-card::before,
.layout .main-body .stat-card::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--brand-grad); border-radius: var(--radius) var(--radius) 0 0;
}

/* ============================================================
   C 端 AI 科技风布局（参考截图风格）
   顶栏横向导航 + 左侧分组侧边栏 + 面包屑 + 科技感背景
   ============================================================ */

/* ---- C端整体容器 ---- */
.c-layout {
  min-height: 100vh;
  background:
    /* 网格底纹 */
    linear-gradient(rgba(43,111,243,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,111,243,0.03) 1px, transparent 1px),
    /* 渐变背景 */
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(43,111,243,0.07), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 100%, rgba(0,198,200,0.05), transparent 55%),
    linear-gradient(180deg, #f6f9fc 0%, #f0f4f9 40%, #f6f9fc 100%);
  background-size: 48px 48px, 48px 48px, 100% 100%, 100% 100%, 100% 100%;
}

/* ---- 顶栏（横向导航） ---- */
.c-topbar {
  display: flex; align-items: center;
  height: 58px; padding: 0 20px;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(43,111,243,0.08);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 8px rgba(15,23,42,0.04);
}
.c-brand {
  display: flex; align-items: center; gap: 9px;
  font-size: 16px; font-weight: 700; color: var(--text);
  white-space: nowrap; flex-shrink: 0;
}
.c-brand .brand-icon {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--brand-grad-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: #fff; flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(43,111,243,0.25);
}
/* C端顶栏 Logo 图片：填满 brand-icon 容器 */
.c-brand .brand-icon .brand-img {
  width: 100%; height: 100%; border-radius: 9px;
  object-fit: cover; display: block;
}
.c-nav {
  display: flex; align-items: center; gap: 2px;
  flex: 1; overflow-x: auto; scrollbar-width: none; margin-left: 16px;
  -webkit-scrollbar { display: none; }
}
.c-nav::-webkit-scrollbar { display: none; }
.c-nav-item {
  padding: 7px 14px; border-radius: 8px;
  font-size: 13.5px; color: var(--text-2);
  cursor: pointer; white-space: nowrap; transition: all 0.2s;
  font-weight: 500; position: relative;
}
.c-nav-item:hover {
  background: rgba(43,111,243,0.06); color: var(--primary);
}
.c-nav-item.active {
  background: rgba(43,111,243,0.1); color: var(--primary);
  font-weight: 600;
}
.c-nav-item.active::after {
  content: ''; position: absolute; bottom: -1px; left: 16px; right: 16px;
  height: 2.5px; border-radius: 2px; background: var(--brand-grad);
}
.c-user {
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap; margin-left: 12px; flex-shrink: 0;
}
.c-user .user-label { font-size: 12.5px; color: var(--text-2); }
.c-user .user-name { font-size: 13px; font-weight: 600; color: var(--text); }

/* ---- 主体区域（侧边栏 + 内容） ---- */
.c-body-wrap {
  display: flex; flex: 1; min-height: calc(100vh - 58px);
}

/* ---- 左侧边栏（分组折叠） ---- */
.c-sidebar {
  width: 208px; flex-shrink: 0;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-right: 1px solid rgba(43,111,243,0.07);
  display: flex; flex-direction: column;
  overflow-y: auto; scrollbar-width: thin;
}
.c-sidebar::-webkit-scrollbar { width: 4px; }
.c-sidebar::-webkit-scrollbar-thumb { background: rgba(43,111,243,0.15); border-radius: 2px; }

/* 侧栏分组标题 */
.c-sb-group {
  padding: 12px 16px 6px;
  font-size: 11.5px; font-weight: 700;
  color: var(--text-3); text-transform: uppercase;
  letter-spacing: 0.8px;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none;
  transition: color 0.2s;
}
.c-sb-group:hover { color: var(--primary); }
.c-sb-group .sb-arrow {
  font-size: 10px; transition: transform 0.25s;
  opacity: 0.5;
}
.c-sb-group.collapsed .sb-arrow { transform: rotate(-90deg); }

/* 侧栏菜单项 */
.c-sb-items { overflow: hidden; transition: max-height 0.3s ease; }
.c-sb-items.collapsed { max-height: 0 !important; }
.c-sb-item {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 16px 9px 22px;
  font-size: 13.5px; color: var(--text-2);
  cursor: pointer; transition: all 0.18s;
  border-left: 3px solid transparent;
  position: relative;
}
.c-sb-item:hover {
  background: rgba(43,111,243,0.05); color: var(--text);
}
.c-sb-item.active {
  background: rgba(43,111,243,0.08);
  color: var(--primary); font-weight: 600;
  border-left-color: var(--primary);
}
.c-sb-item .sb-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.c-sb-item .sb-badge {
  margin-left: auto; font-size: 10.5px;
  padding: 1px 7px; border-radius: 8px;
  background: rgba(245,158,11,0.12); color: #b45309;
  font-weight: 600;
}

/* 侧栏底部 */
.c-sb-foot {
  margin-top: auto; padding: 12px 16px;
  border-top: 1px solid rgba(43,111,243,0.06);
  font-size: 10.5px; color: var(--text-3);
  text-align: center;
}

/* ---- 右侧内容区 ---- */
.c-main {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column;
}

/* 面包屑 */
.c-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 24px 0;
  font-size: 13px; color: var(--text-3);
}
.c-breadcrumb .bc-sep { opacity: 0.4; }
.c-breadcrumb .bc-current { color: var(--text); font-weight: 600; }
.c-breadcrumb a { color: var(--primary); }
.c-breadcrumb a:hover { text-decoration: underline; }

/* 内容区 */
.c-body {
  padding: 8px 24px 32px; flex: 1;
}

/* ---- C端卡片增强 ---- */
.c-layout .card {
  border-radius: 14px;
  border: 1px solid rgba(43,111,243,0.08);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(4px);
  box-shadow: 0 1px 6px rgba(15,23,42,0.04);
  transition: box-shadow 0.25s, transform 0.2s;
}
.c-layout .card:hover {
  box-shadow: 0 6px 20px rgba(15,23,42,0.08);
}
.c-layout .card-header {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(43,111,243,0.06);
  font-weight: 600; font-size: 14.5px;
  background: rgba(43,111,243,0.02);
  border-radius: 14px 14px 0 0;
}
.c-layout .card-body { padding: 18px; }

/* ---- C端 Hero 区域 ---- */
.c-hero {
  background: var(--brand-grad);
  color: #fff; border-radius: 16px; padding: 28px 32px; margin-bottom: 20px;
  position: relative; overflow: hidden;
  box-shadow: 0 8px 28px rgba(43,111,243,0.2), 0 2px 8px rgba(0,198,200,0.12);
}
/* 科技光效装饰 */
.c-hero::before {
  content: ''; position: absolute;
  top: -50%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  animation: heroGlow 6s ease-in-out infinite alternate;
}
.c-hero::after {
  content: ''; position: absolute;
  bottom: -30%; left: -5%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0,198,200,0.12) 0%, transparent 70%);
  animation: heroGlow 8s ease-in-out infinite alternate-reverse;
}
@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  100% { transform: translate(15px, -10px) scale(1.15); opacity: 1; }
}
.c-hero h2 { font-size: 22px; font-weight: 700; position: relative; z-index: 1; }
.c-hero p { opacity: 0.92; margin-top: 6px; font-size: 14px; position: relative; z-index: 1; }

/* ---- C端统计卡 ---- */
.c-layout .stat-card {
  border: none; background: #fff;
  border-radius: 14px; padding: 18px;
  box-shadow: 0 2px 8px rgba(15,23,42,0.05);
  position: relative; overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.c-layout .stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; border-radius: 14px 14px 0 0;
  background: var(--brand-grad);
}
.c-layout .stat-card.c-green::before { background: linear-gradient(135deg, #22c55e, #16a34a); }
.c-layout .stat-card.c-orange::before { background: linear-gradient(135deg, #f59e0b, #ea580c); }
.c-layout .stat-card.c-red::before { background: linear-gradient(135deg, #ef4444, #dc2626); }
.c-layout .stat-card.c-purple::before { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.c-layout .stat-card.c-teal::before { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.c-layout .stat-card.c-indigo::before { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.c-layout .stat-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(15,23,42,0.1); }
.chart-wrap { position: relative; height: 280px; }

/* ---- C端快捷入口 ---- */
.c-layout .quick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.c-layout .quick-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1px solid rgba(43,111,243,0.08);
  border-radius: 12px; cursor: pointer;
  background: rgba(255,255,255,0.8);
  transition: all 0.22s;
}
.c-layout .quick-item:hover {
  border-color: rgba(43,111,243,0.2);
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(43,111,243,0.1);
}
.c-layout .quick-icon {
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--brand-grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(43,111,243,0.25);
}
.c-layout .quick-text { min-width: 0; }
.c-layout .quick-title { font-weight: 600; font-size: 14px; }
.c-layout .quick-sub { font-size: 12px; color: var(--text-3); }
.c-layout .quick-arrow { margin-left: auto; color: var(--text-3); font-size: 18px; }

/* ---- 页面标题增强 ---- */
.c-layout .page-header {
  margin-bottom: 18px;
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.c-layout .page-header h2 {
  font-size: 19px; font-weight: 700;
  background: linear-gradient(135deg, var(--text), #4b5563);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.c-layout .page-header .sub {
  font-size: 12.5px; color: var(--text-3);
  font-weight: 400;
}

/* ---- 移动端响应式 ---- */
@media (max-width: 1024px) {
  .c-sidebar { width: 180px; }
  .c-nav { margin-left: 8px; }
  .c-nav-item { padding: 7px 10px; font-size: 13px; }
}
@media (max-width: 768px) {
  .c-sidebar { display: none; }
  .c-body { padding: 12px 16px 24px; }
  .c-topbar { padding: 0 12px; }
  .c-brand span { display: none; } /* 只显示图标 */
  .c-user .user-label { display: none; }
  .col-md-4, .col-md-6, .col-md-8, .col-md-12 { width: 100%; }
  .form-row .form-group { min-width: 100%; }
  .c-hero { padding: 22px 18px; }
  .c-hero h2 { font-size: 19px; }
  .quick-grid { grid-template-columns: 1fr 1fr; }
  .page-header h2 { font-size: 17px; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .quick-grid { grid-template-columns: 1fr; }
  .btn-lg { padding: 10px 18px; font-size: 14px; }
}

/* ============ 通用组件（三端共用，此前无样式） ============ */
.form-group { margin-bottom: 16px; }
.form-group > label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--text); }
.form-group .hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.form-control {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; font-size: 14px; color: var(--text); font-family: inherit; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(43, 111, 243, 0.12); }
.form-control-sm { padding: 5px 10px; font-size: 13px; }
.form-control[type="file"] { padding: 6px; }
.form-row { display: flex; flex-wrap: wrap; gap: 12px; }
.form-row .form-group { flex: 1; min-width: 200px; margin-bottom: 16px; }

.row { display: flex; flex-wrap: wrap; margin: 0 -10px; }
.row > [class*="col-md-"] { padding: 0 10px; box-sizing: border-box; }
.col-md-4 { width: 33.3333%; } .col-md-6 { width: 50%; }
.col-md-8 { width: 66.6667%; } .col-md-12 { width: 100%; }

.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 15px; }
.card-body { padding: 18px; }
.card { transition: box-shadow 0.2s, transform 0.2s; }
.card:hover { box-shadow: var(--shadow-lg); }

.btn-secondary { background: #fff; border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-info { background: var(--info); border: 1px solid transparent; color: #fff; }
.btn-info:hover { color: #fff; opacity: 0.92; }
.btn-outline { background: #fff; border: 1px solid var(--border); color: var(--text-2); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; }
.btn-xs { padding: 3px 8px; font-size: 12px; border-radius: 6px; }

.page-header { margin-bottom: 20px; }
.page-header h2 { font-size: 20px; font-weight: 700; color: var(--text); }
.page-header p { color: var(--text-2); font-size: 13px; margin-top: 6px; line-height: 1.6; }

.text-muted { color: var(--text-2) !important; }
.text-red { color: var(--danger) !important; }
.text-green { color: var(--success) !important; }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.search-input { max-width: 280px; }

.stat-card .stat-num { font-size: 26px; font-weight: 700; }
.stat-card .stat-label { font-size: 13px; color: var(--text-2); margin-top: 4px; }

.list-item { padding: 12px 0; border-bottom: 1px solid #f1f5f9; }
.list-item:last-child { border-bottom: none; }
.list-title { font-weight: 600; font-size: 14px; margin-bottom: 2px; color: var(--text); }

/* 间距工具（与 app.css mt-8/mb-16 互补） */
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mb16 { margin-bottom: 16px; }

.table-sm td, .table-sm th { padding: 8px 12px; }

/* 标签颜色（代码用 "tag blue" 空格写法，app.css 只有 .tag-blue 连字符） */
.blue { color: var(--primary); } .green { color: var(--success); }
.red { color: var(--danger); } .orange { color: #b45309; } .gray { color: var(--text-2); }
.tag.blue { background: rgba(43, 111, 243, 0.1); color: var(--primary); }
.tag.green { background: rgba(22, 163, 74, 0.1); color: var(--success); }
.tag.red { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.tag.orange { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.tag.yellow { background: rgba(245, 158, 11, 0.12); color: #b45309; }
.tag.gray { background: #f1f5f9; color: var(--text-2); }

.avatar-circle {
  width: 32px; height: 32px; border-radius: 50%; background: var(--brand-grad);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 600; flex-shrink: 0;
}

.alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; line-height: 1.6; }
.alert-warning { background: rgba(245, 158, 11, 0.1); color: #b45309; border: 1px solid rgba(245, 158, 11, 0.25); }

.media-tab { display: flex; align-items: center; padding: 10px 16px; border: 1px solid var(--border); border-radius: 10px; cursor: pointer; background: #fff; font-size: 14px; color: var(--text); transition: all 0.2s; }
.media-tab.active { border-color: var(--primary); background: #eef4ff; box-shadow: 0 0 0 2px rgba(43, 111, 243, 0.12); }
.media-tab b { font-weight: 600; }

.tool-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.tool-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-grad); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; }

.article-detail { line-height: 1.8; color: #374151; font-size: 14px; }
.article-detail h3 { margin: 16px 0 8px; color: var(--text); }
.article-detail p { margin: 8px 0; }

/* 内容发布 Tab 切换 */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab {
  appearance: none; border: none; background: transparent; cursor: pointer;
  padding: 10px 18px; font-size: 14px; font-weight: 500; color: var(--text-2);
  border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color .2s, border-color .2s; font-family: inherit;
}
.tab:hover { color: var(--primary); }
.tab.on { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.pager { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.pager-ellipsis { color: var(--text-3); padding: 0 4px; }

/* ============ AI 诊断平台选择 ============ */
.plat-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.plat-chip {
  position: relative; display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 7px; border: 1.5px solid var(--border); border-radius: 12px;
  background: #fff; cursor: pointer; font-size: 14px; color: var(--text);
  transition: all 0.18s; user-select: none;
}
.plat-chip input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.plat-chip .plat-ic { width: 30px; height: 30px; border-radius: 8px; overflow: hidden; flex: none; display: block; box-shadow: 0 1px 3px rgba(0,0,0,.14); }
.plat-chip .plat-ic svg { display: block; width: 100%; height: 100%; }
.plat-chip .plat-check { position: absolute; top: -7px; right: -7px; width: 18px; height: 18px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 11px; line-height: 18px; text-align: center; display: none; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.plat-chip:not(.active) { opacity: .55; }
.plat-chip.active { border-color: var(--primary); background: #f5f9ff; box-shadow: 0 0 0 3px rgba(43,111,243,.1); }
.plat-chip.active .plat-check { display: block; }
@media (max-width: 480px) { .plat-chip { font-size: 13px; padding: 6px 12px 6px 6px; } .plat-chip .plat-ic { width: 26px; height: 26px; } }

/* ============ 网站账号档案（C端 AI官网SEO） ============ */
.site-acct-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.site-acct { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; background: #fff; }
.site-acct-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; gap: 8px; }
.site-acct-title { font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-acct-row { display: flex; align-items: flex-start; gap: 10px; padding: 4px 0; font-size: 13px; }
.site-acct-row .lbl { flex: none; width: 64px; color: var(--text-2); }
.site-acct-row .val { flex: 1; min-width: 0; word-break: break-all; color: var(--text); }
.site-acct-row .val a { color: var(--primary); text-decoration: none; }
.site-acct-row .val a:hover { text-decoration: underline; }
.site-acct-row .muted { color: var(--text-3); }

/* ============ 响应式 ============ */
/* A 端：移动端收起侧边栏，汉堡按钮唤出 */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; z-index: 101; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar.open + .sidebar-backdrop { display: block; }
  .topbar { padding: 0 16px; }
  .main-content .page-content { padding: 16px; }
}
/* 通用移动端补充 */
@media (max-width: 768px) {
  .col-md-4, .col-md-6, .col-md-8, .col-md-12 { width: 100%; }
  .form-row .form-group { min-width: 100%; }
  .page-header h2 { font-size: 18px; }
  .modal { max-width: 96vw; }
}
/* 超小屏 */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .topbar-title { font-size: 15px; }
  .btn-lg { padding: 10px 18px; font-size: 14px; }
}

/* ============================================================
   C 端品牌主题覆盖 · 青绿 #12BCA9
   仅作用于 .c-layout 作用域，统一品牌色 + 提升精致度，不影响 A/B 端
   ============================================================ */
.c-layout {
  --primary: #12BCA9;
  --brand: #12BCA9;
  --brand-2: #0d9488;
  --brand-grad: linear-gradient(135deg, #14b8a6 0%, #12BCA9 100%);
  --brand-grad-2: linear-gradient(135deg, #12BCA9 0%, #0ea5a4 100%);
  --info: #12BCA9;
  background:
    linear-gradient(rgba(18,188,169,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18,188,169,0.035) 1px, transparent 1px),
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(18,188,169,0.08), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 100%, rgba(20,184,166,0.05), transparent 55%),
    linear-gradient(180deg, #f4faf9 0%, #eef6f4 40%, #f4faf9 100%);
}

/* 顶栏 */
.c-topbar { border-bottom: 1px solid rgba(18,188,169,0.10); box-shadow: 0 1px 12px rgba(15,23,42,0.05); }
.c-brand .brand-icon { box-shadow: 0 2px 12px rgba(18,188,169,0.32); }
.c-nav-item:hover { background: rgba(18,188,169,0.07); color: var(--primary); }
.c-nav-item.active { background: rgba(18,188,169,0.12); color: var(--primary); }
.c-nav-item.active::after { background: var(--brand-grad); }

/* 侧边栏 */
.c-sidebar { border-right: 1px solid rgba(18,188,169,0.10); }
.c-sidebar::-webkit-scrollbar-thumb { background: rgba(18,188,169,0.18); }
.c-sb-group:hover { color: var(--primary); }
.c-sb-item:hover { background: rgba(18,188,169,0.06); color: var(--text); }
.c-sb-item.active { background: rgba(18,188,169,0.10); color: var(--primary); border-left-color: var(--primary); }
.c-sb-foot { border-top: 1px solid rgba(18,188,169,0.08); }

/* 面包屑 */
.c-breadcrumb a:hover { text-decoration: none; opacity: 0.8; }

/* 卡片增强 */
.c-layout .card {
  border: 1px solid rgba(18,188,169,0.12);
  border-radius: 16px;
  background: rgba(255,255,255,0.94);
  box-shadow: 0 2px 10px rgba(16,24,42,0.05), 0 1px 3px rgba(16,24,42,0.04);
  transition: box-shadow 0.25s, transform 0.2s;
}
.c-layout .card:hover { box-shadow: 0 10px 28px rgba(16,24,42,0.09); transform: translateY(-2px); }
.c-layout .card-header {
  padding: 16px 20px; border-bottom: 1px solid rgba(18,188,169,0.08);
  background: rgba(18,188,169,0.035); border-radius: 16px 16px 0 0; font-size: 15px;
}
.c-layout .card-body { padding: 20px; }

/* 页面标题 */
.c-layout .page-header { margin-bottom: 20px; }
.c-layout .page-header h2 {
  font-size: 20px; font-weight: 700;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* 统计卡 */
.c-layout .stat-card { border-radius: 16px; padding: 20px; box-shadow: 0 2px 10px rgba(16,24,42,0.05); }
.c-layout .stat-card.c-teal::before { background: var(--brand-grad); }
.c-layout .stat-card .icon { box-shadow: 0 4px 12px rgba(18,188,169,0.20); }
.c-layout .stat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(16,24,42,0.10); }

/* 快捷入口 */
.c-layout .quick-item {
  border: 1px solid rgba(18,188,169,0.12); border-radius: 14px;
  padding: 16px 18px; background: rgba(255,255,255,0.92);
}
.c-layout .quick-item:hover {
  border-color: rgba(18,188,169,0.28); background: #fff;
  transform: translateY(-3px); box-shadow: 0 8px 22px rgba(18,188,169,0.12);
}
.c-layout .quick-icon { box-shadow: 0 3px 12px rgba(18,188,169,0.30); }
.c-layout .quick-title { font-size: 14.5px; color: var(--text); }
.c-layout .quick-arrow { color: var(--primary); }

/* Hero */
.c-hero {
  background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
  box-shadow: 0 10px 30px rgba(18,188,169,0.25), 0 2px 10px rgba(13,148,136,0.15);
}

/* 列表项 */
.c-layout .list-item { padding: 14px 0; border-bottom: 1px solid #eef3f2; }
.c-layout .list-title { font-size: 14.5px; }

/* ---- 按钮（C端青绿体系 + 补齐缺失变体） ---- */
.c-layout .btn-primary:hover { color: #fff; opacity: 0.94; box-shadow: 0 6px 18px rgba(18,188,169,0.35); }
.c-layout .btn-secondary:hover,
.c-layout .btn-outline:hover,
.c-layout .btn-outline-secondary:hover { border-color: var(--primary); color: var(--primary); }
.c-layout .btn-outline-secondary { background: #fff; border: 1px solid var(--border); color: var(--text); }
.c-layout .btn-ghost:hover { background: rgba(18,188,169,0.08); }
.c-layout .btn-outline-danger { background: #fff; border: 1px solid #fca5a5; color: var(--danger); }
.c-layout .btn-outline-danger:hover { background: rgba(239,68,68,0.06); border-color: var(--danger); }
.c-layout .btn-danger:hover { color: #fff; opacity: 0.9; }

/* 表单 focus 青绿 */
.c-layout .form-control:focus,
.c-layout .input:focus,
.c-layout .select:focus,
.c-layout .textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(18,188,169,0.14);
}

/* Tabs / 媒体 tab / 平台 chip 青绿 */
.c-layout .tab.on { color: var(--primary); border-bottom-color: var(--primary); }
.c-layout .tab:hover { color: var(--primary); }
.c-layout .media-tab.active { border-color: var(--primary); background: rgba(18,188,169,0.07); box-shadow: 0 0 0 2px rgba(18,188,169,0.14); }
.c-layout .plat-chip.active { border-color: var(--primary); background: rgba(18,188,169,0.06); box-shadow: 0 0 0 3px rgba(18,188,169,0.10); }
.c-layout .plat-chip:not(.active) { opacity: 0.6; }
.c-layout .plat-chip .plat-check { background: var(--primary); }

/* 标签颜色（tag blue 在 C 端用青绿） */
.c-layout .tag.blue { background: rgba(18,188,169,0.12); color: #0d9488; }
.c-layout .tag.blue.ml8 { margin-left: 8px; }

/* 表格（C端） */
.c-layout table.table thead th { background: rgba(18,188,169,0.05); }
.c-layout .table tbody tr:hover { background: rgba(18,188,169,0.04); }
.c-layout .table tbody td { border-bottom: 1px solid #eef3f2; }

/* ============ 页面级排版增强（C端青绿，2026-08-15） ============ */
/* 列表项：hover 青绿左边条 + 浅底，提升层级感 */
.c-layout .list-item { transition: all .2s; border-radius: 8px; padding-left: 4px; }
.c-layout .list-item:hover { background: rgba(18,188,169,0.045); border-left: 3px solid var(--primary); padding-left: 12px; }
/* 产品关键词词库卡片：主信息 + 操作分栏，窄屏自动换行 */
.c-layout .pk-kw-item { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 14px 16px; border-bottom: 1px solid #eef3f2; }
.c-layout .pk-kw-main { min-width: 0; flex: 1 1 220px; }
.c-layout .pk-kw-name { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.c-layout .pk-kw-ops { display: flex; gap: 8px; flex-wrap: wrap; }
/* 诊断结果 JSON 块：青绿描边 */
.c-layout #analyze-result pre { background: #f4faf9; border: 1px solid rgba(18,188,169,0.15); font-size: 13px; }
/* 统计卡统一青绿描边 */
.c-layout .stat-card { border: 1px solid rgba(18,188,169,0.12); }
/* 标题预览弹窗参数网格：窄屏单列 */
@media (max-width: 600px) {
  .c-layout .modal-body [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
}