.content-contain {
  width: 1200px;
  margin: auto;
}
.layui-breadcrumb {
  display: flex;
  height: 60px;
  align-items: center;
}
.content-contain .content {
  display: flex;
  justify-content: space-between;
}
.left-navigation {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.left-navigation .nav-item {
  width: 200px;
  height: 50px;
  color: #333;
  background-color: #fbfcfe;
  display: flex;
  align-items: center;
  justify-content: center;
}
.left-navigation .nav-title {
  background-color: #f8faff;
}
.left-navigation .nav-selected {
  color: #fff;
  background-color: #3b8cff;
}
.left-navigation .nav-content:hover {
  transition: all 0.5s;
  color: #fff;
  background-color: #3b8cff;
}
.content .right-content {
  background-color: #fff;
}
.right-content .top-content {
  position: relative;
}
.top-content .content-text {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
}