.acc-item.acc-item--opened .acc_title_pic {
  transform: rotate(-180deg);
}
.acc-item .acc_title_pic {
  transition: all 0.3s;
}
.acc-item .acc_title_body {
  display: none;
}
.acc-item .acc_title {
  cursor: pointer;
}
.toc-table {
  overflow: auto;
}
.toc-table::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
.toc-table::-webkit-scrollbar-track {
  background: #222222;
  border-radius: 9px;
}
.toc-table::-webkit-scrollbar-thumb {
  background: #AB966E;
  border-radius: 9px;
}
.toc-table::-webkit-scrollbar-thumb:hover {
  background: #AB966E;
}
.toc-table {
  padding-right: 20px;
}