* {
  margin: 0;
  padding: 0;}
a {
  text-decoration: none;}
.text-over-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2; /* 限制为两行 */
  -webkit-box-orient: vertical;
  overflow: hidden; /* 隐藏超出部分 */
  text-overflow: ellipsis; /* 超出部分用省略号表示 */
  white-space: normal;}

/* 基础样式 */
.text-over-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3; /* 限制为三行 */
  -webkit-box-orient: vertical;
  overflow: hidden; /* 隐藏超出部分 */
  text-overflow: ellipsis; /* 超出部分用省略号表示 */
  white-space: normal; /* 允许换行 */
  line-height: 1.5em; /* 根据实际行高调整 */
  max-height: 4.5em; /* 行数 * 行高 */
  position: relative;}
.text-over-4 {
  display: -webkit-box;
  -webkit-line-clamp: 4; /* 限制为四行 */
  -webkit-box-orient: vertical;
  overflow: hidden; /* 隐藏超出部分 */
  text-overflow: ellipsis; /* 超出部分用省略号表示 */
  white-space: normal; /* 允许换行 */
  line-height: 1.5em; /* 根据实际行高调整 */
  max-height: 6em; /* 行数 * 行高 */
  position: relative;}

/* IE 兼容 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  .text-over-3 {
    display: block;
    line-height: 1.5em; /* 根据实际行高调整 */
    max-height: 4.5em; /* 行数 * 行高 */
    overflow: hidden;
    position: relative;}

  .text-over-4 {
    display: block;
    line-height: 1.5em; /* 根据实际行高调整 */
    max-height: 5em; /* 行数 * 行高 */
    overflow: hidden;
    position: relative;}
}
/* 头部 */
.header {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;}
.school-logo {
  margin-right: 17px;}
.header-center {
  width: 100%;
  max-width: 1920px;
  min-width: 1800px;
  border-top: 7px solid #9a0000;
  display: flex;
  position: absolute;
  z-index: 10;
  height: 183px;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(117, 69, 169, 0) 100%
  );
  justify-content: center;}
.header-top {
  position: fixed;
  z-index: 999;
  box-sizing: border-box;
  transition: 0.36s;
  min-width: 1764px;
  top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 180px;
  padding-right: 15px;
  padding-bottom: 80px;}

.header-active {
  width: 100%;
  max-width: 100%;
  position: fixed;
  top: 0;
  height: 110px;
  box-sizing: border-box;
  background: #9a0000;
  z-index: 999;
  left: 0;}
.header-active .header-top {
  top: 19px;
  height: 70px;
  padding-bottom: 0;}
.logo {
  display: flex;}
.banner img {
  min-width: 1800px;
  width: 100%;
  max-width: 1920px;}
.banner {
  width: 100%;
  position: relative;
  min-width: 1800px;
  overflow: hidden;
  margin: 0 auto;
  max-width: 1920px;}
.nav-list {
  width: 960px;
  display: flex;
  justify-content: space-between;}
.nav-item {
  font-family: Source Han Sans CN;
  font-size: 18px;
  font-weight: 500;
  color: #ffffff;}
.nav-list-item {
  position: relative;
  height: 110px;
  line-height: 110px;}
.nav-list-item .sub a {
  display: block;
  text-align: center;
  line-height: 3.5;
  transition: 0.6s;
  font-size: 15px;
  color: #666;}
.nav-list-item .sub a:hover {
  background: #9b171a;
  color: #fff;}
.nav-list-item .sub {
  position: absolute;
  top: 100%;
  background: rgba(255, 255, 255, 0.95);
  width: 160px;
  left: 50%;
  margin-left: -80px;
  z-index: 10000;
  transform: translateY(20px);
  visibility: hidden;
  filter: alpha(opacity = 0);
  -moz-opacity: 0;
  -khtml-opacity: 0;
  opacity: 0;
  transition: 0.5s;}
.nav-list-item:hover .sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(1px);}
.nav-list-item:hover .nav-item {
  color: #9b171a;}
.header-active .nav-list-item:hover .nav-item {
  color: #e5cb99;}
/* 列表页 */
.list-content {
  min-width: 1800px;
  min-height: 400px;}
.list-content-center {
  width: 1600px;
  margin: 57px auto;
  justify-content: space-between;
  display: flex;}
.list-nav {
  display: block;
  width: 325px;
  height: 130px;
  position: relative;
  color: #fff;
  font-family: Source Han Sans CN;
  font-size: 30px;
  font-weight: bold;
  text-align: center;
  line-height: 130px;
  background: url(../../images/listnavbg.png), #9b171a;}
.list-nav::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  display: inline-block;
  width: 243px;
  height: 48px;
  background: url(../../images/shanshui.png);}
.list-nav-item {
  border-left: 3px solid transparent;
  width: 325px;
  height: 78px;
  display: block;
  text-align: center;
  box-sizing: border-box;
  line-height: 78px;
  font-family: PingFang SC;
  font-size: 24px;
  background: #f5f5f5;
  color: rgba(0, 0, 0, 0.8);}
.list-nav-active {
  color: #9a0000;
  background: #dfdfdf;
  border-left: 3px solid #9b171a;}
.list-nav-item:hover {
  color: #9a0000;
  background: #dfdfdf;
  border-left: 3px solid #9b171a;}
.content-right {
  width: 1200px;}
.content-right-top {
  height: 48px;
  line-height: 48px;
  box-sizing: border-box;
  padding-left: 57px;
  margin-bottom: 41px;
  font-family: PingFang SC;
  background: url(../../images/listposition.png) no-repeat 23px center,
    #f2f2f2;}
.content-top-fir {
  margin-right: 6px;
  color: rgba(0, 0, 0, 0.8);}
.content-top-sec {
  margin-right: 6px;
  margin-left: 5px;
  color: rgba(0, 0, 0, 0.8);}
.content-top-thi {
  color: #9b171a;}
.content-right-content {
  display: flex;
  justify-content: space-between;}
.content-title {
  width: 480px;
  height: 48px;
  line-height: 48px;
  box-sizing: border-box;
  padding-left: 44px;
  background: #9a0000;
  font-family: PingFang SC;
  font-size: 20px;
  color: #ffffff;
  position: relative;}
.content-title::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  display: inline-block;
  width: 243px;
  height: 48px;
  background: url(../../images/shanshui.png);}
.content-dang-content {
  padding: 25px 17px 33px 43px;
  box-sizing: border-box;
  width: 480px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;}
.content-tuan-content {
  padding: 25px 17px 33px 43px;
  width: 480px;
  box-sizing: border-box;}
.content-zheng-content {
  padding: 25px 17px 33px 43px;
  width: 480px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;}
.content-dang-item,
.content-tuan-item,
.content-zheng-item {
  margin-bottom: 22px;
  font-size: 16px;
  min-width: 208px;
  font-family: PingFang SC;
  color: rgba(0, 0, 0, 0.8);}
/* 底部 */
footer {
  width: 100%;
  min-width: 1800px;
  background: url(../../images/footerbg.png) no-repeat center, #9b171a;}
.footer-center {
  width: 1400px;
  margin: 0 auto;}
.footer-top {
  padding: 49px 0 15px;
  border-bottom: 1px solid rgba(216, 216, 216, 0.4);
  display: flex;
  justify-content: space-between;}
.footer-left-title {
  font-family: Source Han Sans CN;
  font-size: 22px;
  font-weight: bold;
  line-height: 32px;
  color: #ffffff;
  position: relative;
  margin-bottom: 36px;}
.footer-left-title::after {
  content: "";
  display: inline-block;
  width: 115px;
  height: 1px;
  position: absolute;
  top: 17px;
  left: 99px;
  background: rgba(216, 216, 216, 0.4);}
.footer-address {
  margin-right: 5px;}
.footer-left-content p {
  font-family: PingFang SC;
  font-size: 13px;
  line-height: 28px;
  color: #ffffff;}
.footer-middle {
  position: relative;
  top: 34px;
  left: 96px;}
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  bottom: 5px;}
.footer-right span {
  font-family: PingFang SC;
  font-size: 14px;
  line-height: 32px;
  color: #ffffff;
  position: relative;
  top: 6px;}
.footer-bottom {
  font-family: PingFang SC;
  font-size: 14px;
  line-height: 56px;
  height: 56px;
  text-align: center;
  color: #ffffff;}