* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  font: Arial, Microsoft YaHei;
}
.indexPage {
  height: 100vh;
}
.indexPage-content {
  width: 1000px;
  height: calc(100% - 87px - 248px);
  min-height: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
.indexPage-content-leftNav {
  width: 216px;
  height: 100%;
  background-color: #f3f3f3;
  display: flex;
  flex-direction: column;
}
.indexPage-content-leftNav-list {
  margin-bottom: 1px;
  width: 100%;
  height: 67px;
  border-bottom: 1px solid #e4e4e4;
  color: #666;
  font-size: 15px;
  background-color: #f3f3f3;
  position: relative;
  padding-left: 30px;
  line-height: 67px;
}
.indexPage-content-leftNav-list::before {
  position: absolute;
  left: 0;
  top: 0;
  content: "";
  background-color: #0274d4;
  width: 6px;
  height: 69px;
  display: none;
}
.indexPage-content-leftNav-list::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  border: 7px solid transparent;
  border-left-color: #666666;
}
.indexPage-content-leftNav-list:hover {
  background-color: #fff;
  color: #337ab7;
}
.indexPage-content-leftNav-list:hover::before {
  display: block;
}
.indexPage-content-leftNav-list:hover::after {
  border-left-color: #337ab7;
}
.indexPage-content-leftNav .active-leftNav {
  background-color: #fff;
  color: #337ab7;
}
.indexPage-content-leftNav .active-leftNav::before {
  display: block;
}
.indexPage-content-leftNav .active-leftNav::after {
  border-left-color: #666666;
}
.indexPage-content-center {
  height: 100%;
  flex: 1;
}