/* 业务单据专用目录：跟随页面滚动，不影响左侧导航和其他页面。 */
#documents { --documents-nav-offset: 130px; }
.cs-erp .documents-nav {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid #dbe5d9;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 5px 20px #173e2912;
}
.documents-nav-heading { flex-shrink: 0; display: grid; gap: 2px; }
.documents-nav-heading strong { font-size: 14px; }
.documents-nav-heading span { color: var(--muted); font-size: 11px; }
.documents-nav-links { display: flex; flex: 1; flex-wrap: wrap; gap: 6px; min-width: 0; }
.cs-erp .documents-nav a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  color: #526d59;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
}
/* 显式保留 hidden：无权限或搜索时隐藏的审批区块不出现在目录里。 */
.cs-erp .documents-nav a[hidden] { display: none; }
.cs-erp .documents-nav a:hover { background: #edf4e9; color: #265d40; }
.cs-erp .documents-nav a[aria-current="location"] { background: #254f40; color: #fff; }
.cs-erp .documents-nav .documents-nav-top { flex-shrink: 0; padding: 9px 0 9px 12px; border-left: 1px solid var(--line); border-radius: 0; }
/* 按目录实际高度留出空间，换行或浏览器缩放后也不会挡住标题。 */
#documents > .panel { scroll-margin-top: var(--documents-nav-offset); }
#documents > .panel h2:focus { outline: none; }
@media (max-width: 900px) {
  .cs-erp .documents-nav { flex-wrap: wrap; gap: 8px; padding: 12px; top: 8px; }
  .documents-nav-heading { display: flex; align-items: baseline; gap: 8px; flex: 1; }
  .documents-nav-links { order: 3; flex-basis: 100%; }
  .cs-erp .documents-nav a { padding: 8px 10px; }
}
@media (max-width: 600px) {
  /* 窄屏横向滑动目录，避免目录占满屏幕而挤掉单据。 */
  .documents-nav-links { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .documents-nav-links a { flex-shrink: 0; }
}
@media print {
  .cs-erp .documents-nav { display: none; }
}