* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size: 12px;
}
a {
  text-decoration:none;
  color: #333;
}
li {
  list-style: none;
}
html, body, .main-box {
  height: 100%;
  background: #fff;
  overflow: hidden;
}
.main-box .main-left{
  width: 260px;
  height: 100%;
  float: left;
  background-color: #fff;
  overflow-y: auto;
}
.main-right {
  width: 100%;
  height: 100%;
  padding: 30px;
  padding-left: 290px;
  background: #F8FEFD;
}
/* 左侧目录树 */
.main-left {
  background-image: url("../img/left-bg.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  position: relative;
  padding: 0 10px;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  /* padding-bottom: 75px; */
}
.logo-box {
  width: 223px;
  height: 48px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #cfd4de;
  position: fixed;
  background-color: #fff;
}
.logo-box img {
  width: 30px;
  height: 28px;
  margin-right: 10px;
}
.logo-box p {
  display: inline-block;
  line-height: 48px;
  font-size: 18px;
  font-family: "SourceHanSansCN-Normal, SourceHanSansCN";
  font-weight: 400;
  color: #163879;
}
.yb-nature {
  border-bottom: 1px solid #cfd4de;
  margin-top: 48px;
}
.yb-nature li {
  margin: 6px 0;
  font-size: 12px;
  color: #333;
  font-weight: 500;
  cursor: pointer;
}
.yb-bottom {
  /* position: absolute; */
  bottom: 0;
  height: 75px;
  width: 220px;
}
.yb-type {
  height: 40px;
  border-top: 1px solid #cfd4de;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.yb-type li {
  font-size: 12px;
  color: #333;
  font-weight: 400;
  padding: 3px 8px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  cursor: pointer;
}
.yb-type li img {
  width: 24px;
  height: 24px;
  margin-right: 4px;
}
.yb-type .active {
  background: rgba(64, 129, 255, .19);
}
.yb-info {
  border-top: 1px solid #cfd4de;
  height: 33px;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.yb-auth {
  color: #163879;
}
.yb-language {
  display: flex;
  align-items: center;
  color: #163879;
}
.yb-language [class|=switch] {
  margin: 0 4px;
}
.yb-language span {
  font-size: 12px;
  font-weight: 400;
}
.yb-language .active {
  font-weight: bold;
}
.yb-menu-item {
  padding: 9px 0;
  padding-left: 10px;
}
.yb-submenu-title {
  padding: 10px 0;
  cursor: pointer;
}
.yb-submenu-title span {
  font-size: 14px;
  font-weight: bold;
}
.is-opened .yb-submenu-title span {
  color: #4081FF;
}
.yb-submenu ul {
  display: none;
}
.yb-menu .is-opened ul {
  translate: all .2s;
  display: block;
}
.yb-tree {
  flex-grow: 1;
  height: calc(100% - 240px);
  overflow-y: auto;
}
.yb-menu-item {
  cursor: pointer;
}
.yb-menu a {
  text-decoration: none;
  color: #333;
}
iframe {
  width: 100%;
  height: 100%;
  background:rgba(255, 255, 255, 1);
  box-shadow:0px 5px 20px 0px rgba(121, 135, 161, 0.2);
  border-radius:5px;
  box-sizing: border-box;
  padding: 20px 30px;
}