body {
  min-width: 1200px;
}
.main {
  width: 100%;
  background: #fff;
}
.main .main_c {
  width: 1200px;
  margin: 0 auto;
}
.main .main_c .top {
  width: 1200px;
  height: 85px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main .main_c .top .top_left .navigation-bread {
  font-size: 14px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  line-height: 16px;
}
.main .main_c .top .top_left .navigation-bread span {
  font-size: 14px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  line-height: 16px;
}
.main .main_c .top .top_left .navigation-bread .navigation-cur {
  color: #6280DFFF;
  cursor: default;
}
.main .main_c .top .top_left .navigation-bread a + a:before {
  content: "> ";
  color: #666666;
}
.main .main_c .top .top_right {
  display: flex;
}
.main .main_c .top .top_right .margin_left {
  margin-left: 20px;
}
.main .main_c .top .top_right .btn {
  width: 152px;
  height: 49px;
  background: #6280DF;
  box-shadow: 0px 0px 10px 1px rgba(0, 95, 250, 0.5);
  border-radius: 5px 5px 5px 5px;
  opacity: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-family: PingFang SC-Bold, PingFang SC;
  font-weight: bold;
  color: #F5F5F5;
  cursor: pointer;
}
.main .main_c .adv {
  width: 1200px;
  height: 131px;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  display: block;
  cursor: pointer;
}
.main .main_c .adv img {
  width: 1200px;
  height: 120px;
}
.main .main_c .notice_top {
  width: 1200px;
  height: 47px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 30px;
}
.main .main_c .notice_top .notice_top_left {
  width: 518px;
  height: 47px;
  background: linear-gradient(92deg, #617FDF 0%, rgba(97, 127, 223, 0) 100%);
  border-radius: 2px 2px 2px 2px;
  opacity: 1;
  display: flex;
  align-items: center;
}
.main .main_c .notice_top .notice_top_left span {
  font-size: 28px;
  font-family: PingFang SC-Bold, PingFang SC;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 33px;
  padding-left: 18px;
}
.main .main_c .notice_top .more {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  cursor: pointer;
}
.main .main_c .notice_top .more i {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
}
.main .main_c .notice_top .more:hover {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  cursor: pointer;
  text-decoration: underline;
}
.main .main_c .notice_top .more:hover i {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  text-decoration: underline;
}
.main .main_c .notice_con {
  width: 1200px;
  height: 432px;
}
.main .main_c .notice_con ul {
  width: 1168px;
  height: 432px;
  float: right;
}
.main .main_c .notice_con ul li:last-child {
  border: none;
}
.main .main_c .notice_con ul li {
  width: 1168px;
  height: 84px;
  opacity: 1;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main .main_c .notice_con ul li a {
  width: 863px;
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.main .main_c .notice_con ul li span {
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #666666;
  line-height: 23px;
}
.main .main_c .notice_con ul li:hover {
  width: 1168px;
  height: 84px;
  opacity: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main .main_c .notice_con ul li:hover a::before {
  position: absolute;
  content: "";
  margin-left: -31px;
  margin-top: 0px;
  z-index: 5;
  width: 20px;
  height: 20px;
  background: url(../images/dian.jpg) no-repeat left;
}
.main .main_c .notice_con ul li:hover a {
  width: 863px;
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #6280DFFF;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.main .main_c .notice_con ul li:hover span {
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #6280DFFF;
  line-height: 23px;
}
.main .main_c .course_con {
  display: flex;
  flex-wrap: wrap;
}
.main .main_c .course_con .sub:nth-child(4n) {
  margin-right: 0px;
}
.main .main_c .course_con .sub:hover {
  cursor: pointer;
}
.main .main_c .course_con .sub:hover .title {
  width: 270px;
  height: 25px;
  font-size: 16px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #6280DFFF;
  margin-top: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.main .main_c .course_con .sub {
  float: left;
  margin-right: 40px;
  margin-top: 36px;
}
.main .main_c .course_con .sub .top {
  width: 270px;
  height: 160px;
  box-shadow: 0px 0px 10px 1px rgba(0, 95, 250, 0.5);
  border-radius: 2px 12px 2px 12px;
  opacity: 1;
}
.main .main_c .course_con .sub .top img {
  width: 270px;
  height: 160px;
  border-radius: 2px 12px 2px 12px;
}
.main .main_c .course_con .sub .title {
  width: 270px;
  height: 25px;
  font-size: 16px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  margin-top: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.margin_0 {
  margin-top: 0px !important;
}
.dhyin {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: block;
}
.txt-cut {
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  word-break: break-all;
}