/* 左侧导航 / 工具列表：隐藏音乐创作（tools_id=1019） */
[data-tool-route="/music-creation"],
[data-tool-route*="/music-creation"],
a[href*="/music-creation"],
[href*="/music-creation"].tool-item,
.tool-item[data-tool-route="/music-creation"] {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}