.nav ul li {
    font-size: 20px;
    width: 200px;
    font-weight: 600;
    padding-bottom: 10px;
    text-align: center;
    margin-left: 0px;
}
.sy_n1 {
  width: 103%;
  float: left;
  margin-left: -1.5%;
  margin-bottom: 20px;
}

.sy_n1 li {
  width: 22%;
  float: left;
  margin: 0 1.5% 30px 1.5%;
}

.sy_n1 li a {
  display: block;
  width: 100%;
  background-color: #f8f8f8;
  position: relative;
}

.sy_n1 li a::before {
  position: absolute;
  width: 100%;
  height: 100%;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.sy_n1 li a:hover::before {
  bottom: -20px;
  right: -20px;
}

.sy_n1 li a .img_content {
  height: 217px;
}

.sy_n1 li a .text_content {
  padding: 15px 20px;
  background-color: #970513;
}

.sy_n1 li a .text_content .bt {
  font-size: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  height: 90px;
  line-height: 30px;
  white-space: inherit;
  display: table-cell;
  vertical-align: middle;
}
.sy_n1 li a .text_content p {
  margin-bottom: 15px;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  height: 72px;
  line-height: 24px;
  white-space: inherit;
  color: #666;
}

.sy_n1 li a .text_content .sTime {
    font-size: 16px;
}
.img_content {
    width: 100%;
    overflow: hidden;
}
.img_content img {
    width: 100%;
    min-height: 100%;
}
.sy_n1 li a:hover {
    color: #fff;
}
.sy_n1 li a {
    color: #fff;
    outline: none;
    text-decoration: none;
}
.ind_name{
  font-size: 20px;
}
.Under_red{
  margin: auto;
}
.sliderbox li{
  width: 33%;
  margin-right: 0px;
}
.sy_n2 li a {
    width: 100%;
    height: 168px;
    position: relative;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: #fff;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    text-align: center;
}
.sy_n2 li a h4{
    position: absolute;
    font-size: 18px;
}
.foot{
  background-color: #970513;
}
.foot p{
  color: #fff;
}
.foot h6{
  color: #fff;
  font-size: 11px;
}
.teachs{
    width: 140px;
}
.right_li{
    width:750px;
}