/* ========================================================================
 *  Admin Web prototype — RuoYi-Cloud-Plus style
 *  Reference: ruoyi-ui (Vue 3 + Element Plus)
 *  - Dark sidebar (200px) with light hover on items
 *  - Fixed top header (50px), white background, thin bottom border
 *  - Tags View bar below header
 *  - Page background #f5f7fb
 *  - Element Plus blue #409EFF as primary
 * ====================================================================== */

/* ============ RuoYi color overrides (apply to admin pages only) ============ */
.admin-app {
  /* Sidebar (dark) — RuoYi */
  --menu-bg: #1f2d3d;
  --menu-color: #d3dce6;            /* brighter for stronger contrast on dark bg */
  --menu-active-text: #ffffff;
  --menu-hover: #001528;
  --sub-menu-bg: #1a2538;
  --sub-menu-hover: #001528;
  --sub-menu-active-text: #f4f4f5;

  /* Element Plus tokens */
  --el-color-primary: #409EFF;
  --el-color-primary-light-3: #79bbff;
  --el-color-primary-light-5: #a0cfff;
  --el-color-primary-light-7: #c6e2ff;
  --el-color-primary-light-8: #d9ecff;
  --el-color-primary-light-9: #ecf5ff;
  --el-color-primary-dark-2: #337ecc;

  --el-color-success: #67c23a;
  --el-color-success-light-9: #f0f9eb;
  --el-color-warning: #e6a23c;
  --el-color-warning-light-9: #fdf6ec;
  --el-color-danger: #f56c6c;
  --el-color-danger-light-9: #fef0f0;
  --el-color-info: #909399;
  --el-color-info-light-9: #f4f4f5;

  --el-bg-color: #ffffff;
  --el-bg-color-page: #f5f7fb;
  --el-bg-color-overlay: #ffffff;
  --el-fill-color-light: #f5f7fa;
  --el-fill-color-lighter: #fafafa;
  --el-fill-color-blank: #ffffff;

  --el-text-color-primary: #303133;
  --el-text-color-regular: #606266;
  --el-text-color-secondary: #909399;
  --el-text-color-placeholder: #a8abb2;
  --el-text-color-disabled: #c0c4cc;

  --el-border-color: #dcdfe6;
  --el-border-color-light: #e4e7ed;
  --el-border-color-lighter: #ebeef5;
  --el-border-color-extra-light: #f2f6fc;

  --el-border-radius-base: 4px;
  --el-border-radius-small: 2px;

  --table-header-bg: #f8f8f9;
  --table-header-text: #515a6e;

  --header-h: 50px;
  --sidebar-w: 200px;
  --sidebar-collapsed-w: 64px;
  --tags-view-h: 34px;
}

/* ============ Base reset overrides ============ */
.admin-app, .admin-app * {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang TC", "PingFang SC", "Hiragino Sans GB",
               "Microsoft JhengHei", "Microsoft YaHei", Arial, sans-serif;
}
/* Apply text color scope-by-scope so the dark sidebar keeps its light text */
.admin-app .admin-header,
.admin-app .admin-header *,
.admin-app .tags-view,
.admin-app .tags-view *,
.admin-app .admin-main,
.admin-app .admin-main * {
  color: var(--el-text-color-primary);
}

.admin-app {
  min-height: 100vh;
  background: var(--el-bg-color-page);
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) var(--tags-view-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar tagsview"
    "sidebar main";
  transition: grid-template-columns 0.28s cubic-bezier(.4, 0, .2, 1);
}
body[data-sidebar="collapsed"] .admin-app { grid-template-columns: var(--sidebar-collapsed-w) 1fr; }

/* ============ Sidebar (RuoYi dark) ============ */
.admin-sidebar {
  grid-area: sidebar;
  background: var(--menu-bg);
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.1);
  color: var(--menu-color);
  transition: width 0.28s cubic-bezier(.4, 0, .2, 1);
}
.admin-sidebar * { color: inherit; }
.admin-brand {
  height: var(--header-h);
  display: flex; align-items: center;
  gap: 8px;
  padding: 0 14px;
  color: #ffffff;
  flex-shrink: 0;
  background: #2a3a4f;
}
.admin-brand * { color: #ffffff; }
.admin-brand-logo {
  width: 30px; height: 30px;
  border-radius: 6px;
  background: var(--el-color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 14px;
}
.admin-brand-text {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap; overflow: hidden;
  letter-spacing: 0.02em;
  max-width: 160px;
  opacity: 1;
  transition: max-width 0.22s ease, opacity 0.18s ease;
}
body[data-sidebar="collapsed"] .admin-brand-text {
  max-width: 0;
  opacity: 0;
  pointer-events: none;
}

.admin-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}
.admin-nav::-webkit-scrollbar { width: 4px; }
.admin-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.admin-nav-group { padding: 4px 0; }
.admin-nav-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  font-size: 11px;
  color: #8492a6 !important;
  padding: 10px 18px 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  max-height: 32px;
  opacity: 1;
  transition: max-height 0.22s ease, padding 0.22s ease, opacity 0.18s ease, color 0.15s ease;
  background: transparent;
  border: none;
  text-align: left;
}
.admin-nav-group-title.clickable { cursor: pointer; user-select: none; }
.admin-nav-group-title.clickable:hover { color: #cfd8e3 !important; }
.admin-nav-group-title .chevron {
  width: 12px; height: 12px;
  color: inherit;
  transition: transform 0.22s ease;
  flex-shrink: 0;
}
.admin-nav-group-title.open .chevron { transform: rotate(0deg); }
.admin-nav-group-title:not(.open) .chevron { transform: rotate(-90deg); }

/* Collapsible items wrapper */
.admin-nav-group-items {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.28s cubic-bezier(.4, 0, .2, 1);
  overflow: hidden;
}
.admin-nav-group-items > * { min-height: 0; }
.admin-nav-group.closed .admin-nav-group-items {
  grid-template-rows: 0fr;
}
.admin-nav-group-items-inner { overflow: hidden; }
body[data-sidebar="collapsed"] .admin-nav-group-title {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  pointer-events: none;
}
/* Collapsed sidebar: always show items even if group is "closed" */
body[data-sidebar="collapsed"] .admin-nav-group.closed .admin-nav-group-items {
  grid-template-rows: 1fr;
}
/* 折疊態下，分組之間用一條極淡的分隔線替代分組標題 */
body[data-sidebar="collapsed"] .admin-nav-group + .admin-nav-group {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 6px;
  padding-top: 6px;
}

.admin-nav-item {
  display: flex; align-items: center;
  gap: 10px;
  height: 50px;
  padding: 0 18px;
  color: var(--menu-color) !important;
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.2s ease, color 0.2s ease;
  position: relative;
}
.admin-nav-item .text { color: var(--menu-color); }
.admin-nav-item:hover,
.admin-nav-item:hover .text { background: var(--menu-hover); color: var(--menu-active-text) !important; }
.admin-nav-item.active,
.admin-nav-item.active .text {
  color: var(--menu-active-text) !important;
  background: var(--el-color-primary);
}
.admin-nav-item .icon { width: 18px; height: 18px; flex-shrink: 0; stroke: currentColor; color: inherit; }
.admin-nav-item .text {
  white-space: nowrap; overflow: hidden;
  max-width: 200px;
  opacity: 1;
  transition: max-width 0.22s ease, opacity 0.18s ease;
}
body[data-sidebar="collapsed"] .admin-nav-item .text {
  max-width: 0;
  opacity: 0;
  pointer-events: none;
}
body[data-sidebar="collapsed"] .admin-nav-item {
  justify-content: center;
  padding: 0;
  gap: 0;
}
/* 折疊態下加大圖示，視覺更平衡 */
body[data-sidebar="collapsed"] .admin-nav-item .icon { width: 20px; height: 20px; }
/* hamburger 折疊態下旋轉 90° 作為視覺提示 */
body[data-sidebar="collapsed"] .hamburger svg {
  transform: rotate(90deg);
}
.hamburger svg { transition: transform 0.25s ease; }

/* ============ Header ============ */
.admin-header {
  grid-area: header;
  background: var(--el-bg-color);
  border-bottom: 1px solid var(--el-border-color-lighter);
  display: flex; align-items: center;
  padding: 0 16px;
  height: var(--header-h);
}
.admin-header-left {
  display: flex; align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.hamburger {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: none;
  cursor: pointer;
  color: var(--el-text-color-regular);
  border-radius: 4px;
}
.hamburger:hover { background: var(--el-fill-color-light); }
.hamburger svg { width: 20px; height: 20px; }

.admin-breadcrumb {
  display: flex; align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--el-text-color-secondary);
}
.admin-breadcrumb a { color: var(--el-text-color-secondary); text-decoration: none; }
.admin-breadcrumb a:hover { color: var(--el-color-primary); }
.admin-breadcrumb .sep { color: #c0c4cc; font-size: 12px; }
.admin-breadcrumb .current { color: var(--el-text-color-primary); }

.admin-header-actions { display: flex; align-items: center; gap: 4px; }
.admin-header-icon-btn {
  width: 36px; height: 36px;
  border-radius: 4px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--el-text-color-regular);
  background: transparent; border: none;
  cursor: pointer; position: relative;
}
.admin-header-icon-btn:hover { background: var(--el-fill-color-light); }
.admin-header-icon-btn svg { width: 18px; height: 18px; }
.admin-header-icon-btn .badge-dot {
  position: absolute; top: 8px; right: 8px;
  width: 8px; height: 8px;
  background: var(--el-color-danger);
  border-radius: 50%;
  border: 2px solid var(--el-bg-color);
}
.admin-user {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px; border-radius: 4px;
  cursor: pointer;
}
.admin-user:hover { background: var(--el-fill-color-light); }
.admin-user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--el-color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.admin-user-name { font-size: 13px; color: var(--el-text-color-primary); }

/* ============ Tags View (browser-like tabs) ============ */
.tags-view {
  grid-area: tagsview;
  background: var(--el-bg-color);
  border-bottom: 1px solid var(--el-border-color-lighter);
  padding: 4px 12px;
  display: flex; align-items: center;
  gap: 4px;
  overflow-x: auto;
  height: var(--tags-view-h);
  box-shadow: inset 0 -1px 0 var(--el-border-color-lighter);
}
.tags-view::-webkit-scrollbar { display: none; }
.tag-item {
  display: inline-flex; align-items: center;
  gap: 4px;
  padding: 3px 8px 3px 12px;
  background: var(--el-bg-color);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: 2px;
  font-size: 12px;
  color: var(--el-text-color-regular);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.tag-item:hover { color: var(--el-color-primary); border-color: var(--el-color-primary); }
.tag-item.active {
  background: var(--el-color-primary);
  color: #fff;
  border-color: var(--el-color-primary);
}
.tag-item.active::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%; background: #fff;
  margin-right: 4px;
}
.tag-item .close { font-size: 14px; line-height: 1; opacity: 0.5; padding: 0 2px; }
.tag-item .close:hover { opacity: 1; }
.tag-item.active .close { opacity: 0.8; }

/* ============ Main content ============ */
.admin-main {
  grid-area: main;
  overflow-y: auto;
  padding: 16px;
}

.admin-page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}
.admin-page-title {
  font-size: 16px; font-weight: 600;
  color: var(--el-text-color-primary);
  margin: 0;
}
.admin-page-subtitle {
  font-size: 12px; color: var(--el-text-color-secondary);
  margin-top: 2px;
}

/* ============ KPI cards (RuoYi-style mini-cards) ============ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.kpi-card {
  background: var(--el-bg-color);
  border-radius: 4px;
  padding: 16px 18px;
  border: 1px solid var(--el-border-color-lighter);
  display: flex; flex-direction: column;
}
.kpi-label {
  font-size: 13px; color: var(--el-text-color-secondary);
  margin-bottom: 8px;
}
.kpi-value {
  font-size: 24px; font-weight: 600;
  color: var(--el-text-color-primary);
  line-height: 1.2;
}
.kpi-trend { font-size: 12px; margin-top: 6px; }
.kpi-trend.up { color: var(--el-color-success); }
.kpi-trend.down { color: var(--el-color-danger); }

/* ============ Section card ============ */
.section-card {
  background: var(--el-bg-color);
  border-radius: 4px;
  border: 1px solid var(--el-border-color-lighter);
  margin-bottom: 16px;
  overflow: hidden;
}
.section-card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--el-border-color-lighter);
  display: flex; align-items: center; justify-content: space-between;
  min-height: 50px;
  background: var(--el-bg-color);
}
.section-card-title {
  font-size: 14px; font-weight: 500;
  color: var(--el-text-color-primary);
  position: relative;
  padding-left: 10px;
}
.section-card-title::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 14px;
  background: var(--el-color-primary);
  border-radius: 2px;
}
.section-card-body { padding: 16px; }
.section-card-body-flat { padding: 0; }

/* ============ Toolbar (search/filter bar) ============ */
.toolbar {
  display: flex; align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--el-bg-color);
  border-radius: 4px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  border: 1px solid var(--el-border-color-lighter);
}
.toolbar .input,
.toolbar .select,
.toolbar input[type="datetime-local"] {
  height: 32px;
  font-size: 13px;
}
.toolbar-right { margin-left: auto; display: flex; gap: 8px; }

/* ============ Form elements (Element Plus look) ============ */
.input, .textarea, .select {
  display: inline-block;
  width: 100%;
  height: 32px;
  padding: 0 11px;
  background: var(--el-bg-color);
  border: 1px solid var(--el-border-color);
  border-radius: var(--el-border-radius-base);
  font-size: 14px;
  color: var(--el-text-color-regular);
  transition: border-color 0.2s ease;
  line-height: 32px;
  box-sizing: border-box;
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--el-color-primary);
}
.textarea { height: auto; min-height: 80px; padding: 8px 11px; line-height: 1.5; resize: vertical; }
.label { display: block; font-size: 14px; color: var(--el-text-color-regular); margin-bottom: 6px; }
.help-text { font-size: 12px; color: var(--el-text-color-secondary); margin-top: 4px; }
.form-row { margin-bottom: 16px; }

/* ============ Buttons (Element Plus look) ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 0 14px;
  height: 32px;
  border: 1px solid var(--el-border-color);
  border-radius: var(--el-border-radius-base);
  font-size: 13px;
  font-weight: 400;
  background: var(--el-bg-color);
  color: var(--el-text-color-regular);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn:hover {
  color: var(--el-color-primary);
  border-color: var(--el-color-primary-light-7);
  background: var(--el-color-primary-light-9);
}
.btn-primary {
  background: var(--el-color-primary);
  color: #fff;
  border-color: var(--el-color-primary);
}
.btn-primary:hover {
  background: var(--el-color-primary-light-3);
  color: #fff;
  border-color: var(--el-color-primary-light-3);
}
.btn-success { background: var(--el-color-success); border-color: var(--el-color-success); color: #fff; }
.btn-success:hover { opacity: 0.85; color: #fff; border-color: var(--el-color-success); background: var(--el-color-success); }
.btn-warning { background: var(--el-color-warning); border-color: var(--el-color-warning); color: #fff; }
.btn-warning:hover { opacity: 0.85; color: #fff; }
.btn-danger { background: var(--el-color-danger); border-color: var(--el-color-danger); color: #fff; }
.btn-danger:hover { opacity: 0.85; color: #fff; }
.btn-secondary { /* alias for default */ background: var(--el-bg-color); }
.btn-text {
  background: transparent;
  border-color: transparent;
  padding: 0 8px;
  color: var(--el-color-primary);
}
.btn-text:hover {
  background: transparent;
  color: var(--el-color-primary-light-3);
  border-color: transparent;
}
.btn-sm { height: 26px; padding: 0 10px; font-size: 12px; }
.btn-lg { height: 40px; padding: 0 19px; font-size: 14px; }
.btn-block { width: 100%; }

/* ============ Badges (Element Plus tag style) ============ */
.badge {
  display: inline-flex; align-items: center;
  padding: 0 8px;
  height: 22px;
  border-radius: 2px;
  font-size: 12px;
  line-height: 22px;
  border: 1px solid;
}
.badge-primary { color: var(--el-color-primary); background: var(--el-color-primary-light-9); border-color: var(--el-color-primary-light-8); }
.badge-success { color: var(--el-color-success); background: var(--el-color-success-light-9); border-color: #c8e6a5; }
.badge-warning { color: var(--el-color-warning); background: var(--el-color-warning-light-9); border-color: #f3d19e; }
.badge-danger  { color: var(--el-color-danger);  background: var(--el-color-danger-light-9);  border-color: #fab6b6; }
.badge-info    { color: var(--el-color-info);    background: var(--el-color-info-light-9);    border-color: #dcdfe6; }
.badge-neutral { color: var(--el-text-color-regular); background: var(--el-fill-color-light); border-color: var(--el-border-color-lighter); }

/* ============ Table (Element Plus table look) ============ */
.tbl { width: 100%; border-collapse: collapse; background: var(--el-bg-color); font-size: 13px; }
.tbl thead th {
  background: var(--table-header-bg);
  border-bottom: 1px solid var(--el-border-color-lighter);
  color: var(--table-header-text);
  font-weight: 600;
  font-size: 13px;
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
}
.tbl tbody td {
  border-bottom: 1px solid var(--el-border-color-lighter);
  padding: 10px 12px;
  color: var(--el-text-color-regular);
}
.tbl tbody tr:hover { background: var(--el-fill-color-lighter); }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl-compact thead th, .tbl-compact tbody td { padding: 8px 12px; font-size: 12.5px; }

/* ============ Pagination ============ */
.pagination {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: var(--el-bg-color);
  font-size: 13px;
  color: var(--el-text-color-regular);
  border-top: 1px solid var(--el-border-color-lighter);
}
.pagination-pages { display: flex; gap: 4px; }
.pagination-pages button {
  min-width: 28px; height: 28px;
  border: 1px solid transparent;
  background: var(--el-fill-color-light);
  border-radius: 2px;
  color: var(--el-text-color-regular);
  cursor: pointer;
  font-size: 13px;
  padding: 0 6px;
}
.pagination-pages button:hover { color: var(--el-color-primary); }
.pagination-pages button.active {
  background: var(--el-color-primary);
  color: #fff;
}

/* ============ Modal ============ */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}
.modal {
  background: var(--el-bg-color);
  border-radius: 4px;
  width: 560px; max-width: 90vw; max-height: 80vh;
  display: flex; flex-direction: column;
  box-shadow: 0 12px 32px 4px rgba(0, 0, 0, 0.04), 0 8px 20px rgba(0, 0, 0, 0.08);
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--el-border-color-lighter);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 500; }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--el-border-color-lighter);
  display: flex; justify-content: flex-end; gap: 12px;
}

/* ============ Tag (small inline) ============ */
.tag {
  display: inline-flex; align-items: center;
  gap: 4px;
  padding: 0 6px;
  height: 22px;
  background: var(--el-color-primary-light-9);
  color: var(--el-color-primary);
  border: 1px solid var(--el-color-primary-light-8);
  border-radius: 2px;
  font-size: 12px;
  line-height: 22px;
}
.tags { display: flex; flex-wrap: wrap; gap: 4px; }

/* ============ Misc ============ */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-success { background: var(--el-color-success); }
.dot-warning { background: var(--el-color-warning); }
.dot-danger  { background: var(--el-color-danger); }

.u-flex { display: flex; }
.u-flex-col { display: flex; flex-direction: column; }
.u-items-center { align-items: center; }
.u-justify-between { justify-content: space-between; }
.u-justify-center { justify-content: center; }
.u-gap-1 { gap: 4px; }
.u-gap-2 { gap: 8px; }
.u-gap-3 { gap: 12px; }
.u-gap-4 { gap: 16px; }
.u-w-full { width: 100%; }
.u-text-center { text-align: center; }
.u-text-muted { color: var(--el-text-color-secondary); }
.u-text-faint { color: var(--el-text-color-placeholder); }
.u-text-sm { font-size: 12px; }
.u-text-xs { font-size: 11px; }
.u-text-lg { font-size: 16px; }
.u-text-xl { font-size: 18px; }
.u-font-bold { font-weight: 600; }

/* Alert / message-style boxes (kept for back-compat) */
.alert {
  display: flex; gap: 12px;
  padding: 8px 16px;
  border-radius: 4px;
  margin-bottom: 12px;
  border-left: 5px solid transparent;
  background: var(--el-color-info-light-9);
  color: var(--el-text-color-regular);
  align-items: center;
  font-size: 14px;
}
.alert-info    { background: var(--el-color-primary-light-9); border-left-color: var(--el-color-primary); color: var(--el-color-primary); }
.alert-warning { background: var(--el-color-warning-light-9); border-left-color: var(--el-color-warning); color: var(--el-color-warning); }
.alert-danger  { background: var(--el-color-danger-light-9);  border-left-color: var(--el-color-danger);  color: var(--el-color-danger); }
.alert-success { background: var(--el-color-success-light-9); border-left-color: var(--el-color-success); color: var(--el-color-success); }

/* Section heading (in body) */
.section-heading {
  font-size: 14px; font-weight: 500;
  color: var(--el-text-color-regular);
  margin: 16px 0 12px;
  padding-left: 8px;
  border-left: 3px solid var(--el-color-primary);
}
.section-heading:first-child { margin-top: 0; }