body {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  margin: 0;
  height: 100vh;
  position: relative !important;
  overflow: hidden;
  word-break: keep-all;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif !important;
}
body .left {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 300px;
  background-color: #0e0e0e;
  border-right: 1px solid rgb(106, 106, 106);
  overflow-y: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer 10+ */
}
body .left::-webkit-scrollbar {
  display: none; /* WebKit */
}
body .left ul.nav {
  list-style: none;
  margin: 0;
  padding: 0;
}
body .left ul.nav li.item {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  border-bottom: 1px solid rgb(106, 106, 106);
}
body .left ul.nav li.item .title {
  display: block;
  color: #ececec;
  padding: 10px 10px 2px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
}
body .left ul.nav li.item .link {
  color: #ececec;
  padding: 2px 10px 10px;
  font-size: 15px;
  word-break: break-all;
  opacity: 0.3;
}
body .left ul.nav li.item a {
  color: transparent;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
body .left ul.nav li.item a.active {
  background-color: rgba(255, 255, 255, 0.1);
}
body .left .text-wrap {
  padding: 10px;
  color: #ececec;
  white-space: pre-line;
  height: 100%;
  overflow-y: auto;
}
body .left .text-wrap p {
  margin-top: 0;
  font-size: 15px;
  line-height: 1.5em;
}
body .content {
  width: calc(100vw - 300px - 1px);
  height: 100vh !important;
}
body .content iframe {
  width: 100%;
  height: 100%;
}
body .content .loading-bar {
  width: 100px;
  height: 100px;
  position: absolute;
  top: 50%;
  right: calc(50% - 300px);
  z-index: 999;
  background-color: red;
  transform: translate(-50%, -50%);
}