main {
  width: 100%;
  padding-top: 104px;
}
main > .container {
  min-height: 750px;
  background-color: #fff;
  margin-bottom: 50px;
  padding: 50px 0;
  position: relative;
  align-items: flex-start;
}
main > .container .cover {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #Fff;
  width: 100%;
  height: 100%;
  z-index: 99;
  display: none;
}
main > .container .cover .tips {
  width: 100%;
  height: 100%;
  font-size: 36px;
  color: #055CFF;
}
main > .container .cover .tips .iconfont {
  font-size: 36px;
}
main > .container .left_navs {
  width: 280px;
  min-height: 750px;
  box-sizing: border-box;
  padding: 0 30px 0 55px;
  position: relative;
}
main > .container .left_navs .left_modle {
  position: absolute;
  top: 0;
  left: 0;
  margin: auto;
  background-color: #ffffff;
  width: 250px;
  height: 100%;
  z-index: 99;
}
main > .container .left_navs .left_modle .tips {
  width: 100%;
  height: 100%;
  font-size: 36px;
  color: #055CFF;
}
main > .container .left_navs .left_modle .tips .iconfont {
  font-size: 36px;
}
main > .container .left_navs .navList .item {
  margin-bottom: 30px;
}
main > .container .left_navs .navList .item .title {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  position: relative;
  width: 100%;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}
main > .container .left_navs .navList .item .title i {
  font-size: 12px;
  margin-left: 10px;
  transform: rotate(180deg);
  transition: all 0.3s;
}
main > .container .left_navs .navList .item .title.active {
  color: #5990F0;
}
main > .container .left_navs .navList .item .title.active i {
  transform: rotate(0);
}
main > .container .left_navs .navList .item .title.active::before {
  width: 45px;
  height: 5px;
  background-color: #5990F0;
  transition: all 0.3s;
}
main > .container .left_navs .navList .item .title::before {
  content: "";
  width: 23px;
  height: 3px;
  background: #CCCCCC;
  position: absolute;
  top: 0;
  bottom: 0;
  left: -55px;
  margin: auto;
  transition: all 0.3s;
}
main > .container .left_navs .navList .item .help_list {
  display: none;
}
main > .container .left_navs .navList .item .help_list li {
  line-height: 30px;
  overflow: hidden;
  width: 100%;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 20px;
  box-sizing: border-box;
}
main > .container .left_navs .navList .item .help_list li.active a {
  color: #2673DD;
}
main > .container .left_navs .navList .item .help_list li a {
  font-size: 14px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #999999;
}
main > .container .left_navs .navList .item .title.active + .help_list {
  display: block;
}
main > .container .help_content {
  width: 920px;
  box-sizing: border-box;
  min-height: 750px;
  position: relative;
  padding: 30px 50px;
  box-shadow: 0px 3px 10px 1px rgba(0, 0, 0, 0.16);
}
main > .container .help_content .right_modle {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #Fff;
  width: 100%;
  height: 100%;
  z-index: 99;
}
main > .container .help_content .right_modle .tips {
  width: 100%;
  height: 100%;
  font-size: 36px;
  color: #055CFF;
}
main > .container .help_content .right_modle .tips .iconfont {
  font-size: 36px;
}
main > .container .help_content .help_title {
  font-size: 36px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #000000;
  line-height: 1.5em;
  margin-bottom: 30px;
}
main > .container .help_content .help_words {
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  line-height: 24px;
  overflow: hidden;
}
main > .container .help_content .help_words img {
  max-width: 100% !important;
}