/* ====== AI家AI户 — 图标系统 ====== */

/* 基础图标 */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  vertical-align: middle;
}
.icon svg {
  width: 100%;
  height: 100%;
}

/* 尺寸 */
.icon-sm  { width: 14px; height: 14px; }
.icon-md  { width: 18px; height: 18px; }
.icon-lg  { width: 24px; height: 24px; }
.icon-xl  { width: 32px; height: 32px; }
.icon-2xl { width: 40px; height: 40px; }

/* 颜色变体 */
.icon-default  { color: #6b7280; }
.icon-primary  { color: #3b82f6; }
.icon-success  { color: #10b981; }
.icon-warning  { color: #f59e0b; }
.icon-danger   { color: #ef4444; }
.icon-muted    { color: #9ca3af; }
.icon-white    { color: #fff; }
.icon-inherit  { color: inherit; }

/* 导航Logo */
.nav-logo .icon,
.drawer-logo .icon {
  margin-right: 6px;
}

/* 移动端底部Tab图标 */
.mobile-tab .icon,
.tab-icon {
  display: block;
  margin: 0 auto 2px;
}

/* 品类卡片图标 */
.cat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #eff6ff;
  color: #3b82f6;
  margin-bottom: 12px;
}

/* 场景选择器图标 */
.scenario-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-right: 8px;
}

/* 热门卡片图标 */
.hot-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

/* 搜索框图标 */
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #9ca3af;
  pointer-events: none;
}

/* 收藏按钮 */
.fav-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: transparent;
  color: #6b7280;
  cursor: pointer;
  transition: all .15s;
  font-size: 13px;
  line-height: 1;
}
.fav-btn:hover { 
  border-color: #f59e0b; 
  color: #f59e0b;
  background: #fffbeb;
}
.fav-btn.faved { 
  border-color: #f59e0b; 
  color: #f59e0b;
  background: #fffbeb;
}
.fav-btn.faved:hover {
  border-color: #d97706;
  color: #d97706;
}

/* 订阅按钮 */
.sub-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  background: #3b82f6;
  color: #fff;
  font-weight: 500;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all .15s;
}
.sub-btn:hover { background: #2563eb; }
.sub-btn .icon { color: #fff; }

/* 对比表格勾叉 */
.compare-check { color: #10b981; }
.compare-cross { color: #ef4444; }