* {
  padding: 0;
  margin: 0;
}
li {
  list-style: none;
}
a {
  text-decoration: none;
}
img {
  max-width: 100%;
}
.clear::after {
  content: "";
  display: block;
  clear: both;
}
video {
  width: 100%;
}
.setwidth {
  max-width: 95%;
  width: 1200px;
  margin: 0 auto;
}
.title img{
  display: inline-block;
}

.ltjj,.mtbd,.zbjb,.pthd{
  padding-top: 80px;
  padding-bottom: 50px;
  position: relative;
}
.ltjjtxt,.moreline,.pthdcontent{
  margin-top: 50px;
}
.c_ctxt{
  margin-top: 30px;
  min-height: 230px;
}
.tomore{
  color: #3499ef;
}

.titlebox{
  position: relative;
  text-align: center;
  margin-bottom: 50px;
}
#videoname{
  width: 100%;
  text-align: center;
  font-size: 40px;
  color: #fff;
  line-height: 100px;
  height: 100px;
  background-image: url(/2025xlhlt/title_bg.png);
  background-size: cover;
}
.ltjjSwiperBox{
  position: relative;
}
.slideCon{
  width: 90%;
  margin: 0 auto;
  overflow: hidden;
}
.slideCon img{
  width: 100%;
  height: 135px;
  display: block;
}
.lunbo_btn{
  background: none;
  font-size: 30px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  color: #1846d0;
  cursor: pointer;
  margin-top: 0;
}
.btn_l{
  right: auto;
  left: -40px;
}
.btn_r{
  left: auto;
  right: -40px;
}


.headerimg{
  text-align: center;
}
.headerimg img{
  width: 100%;
  max-width: 1920px;
}
.swiper-slide .slideTxt p{
  background-image: url(/2025xlhlt/title_bg.png);
  background-size: 100% 100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  width: 100%;
  color: #fff;
  line-height: 3;
  font-size: 16px;
  padding-left: 10px;
  box-sizing: border-box;
}
.ltjjtopimg,.lshgtopimg{
  margin-bottom: 10px;
}
.ltjjtxt{
  line-height: 1.5;
}


.block1.container {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}
.block1 .swiper-container {
  flex: 1;
  height: auto;
}
.block1 .swiper-slide img {
  width: 100%;
  height: 100%;
  display: block;
}
.block1 .list-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;

}

.block1 .list-container ul {
  list-style: none;
  padding: 0 20px;
  margin: 0;
  position: relative;
}
.block1 .list-container ul::before,.block1 .list-container ul::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 20px;
  left: -1px;
  background-repeat: no-repeat;
  background-size: contain;
}
.block1 .list-container ul li {
  display: flex;
  align-items: center;
  padding: 17.7px 0;
  border-bottom: 1px dashed #dddddd;
}
.block1 .list-container ul li:last-child{
  border-bottom:none;
}
.block1 .list-container ul li img {
  width: 10px;
  height: 10px;
  margin-right: 10px;
}
.block1 .list-container ul li a {
  text-decoration: none;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-grow: 1; 
  font-size: 16px;
}
.block1 .h3{
  position: absolute;
  left: 0;
  bottom: 0;
  background: url(/2025xlhlt/title_bg.png) no-repeat;
  background-size: cover;
  width: 100%;
  color: #fff;
  font-size: 16px;
  line-height: 40px;
}
.block1 .h3 p{
  padding-left: 5%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 70%;
}
.block1 .swiper-pagination{
  width: unset;
  left: unset;
  right:10px;
}
.block1 .swiper-pagination-bullet{
  border: none;
  background: #fff;
  opacity: .5;
}
.block1 .swiper-pagination-bullet-active{
  background: #fff;
  opacity: 1;
}

.mtbd{
  background-image: url(/2025xlhlt/bg_mtbd.png);
  background-position: bottom;
}
.zbjb{
  padding: 60px 0;
  background-image: url(/2025xlhlt/bg_zbjb.png);
  background-position: bottom;
}
.zbjbli{
  float: left;
  border-radius: 20px;
  width: 32%;
  margin-right: 1.9%;
  background: #fff;
  margin-bottom: 5%;
  box-sizing: border-box;
  padding: 5% 4%;
}
.zbjbli:nth-child(3n){
  margin-right: 0;
}
.zbjbli:nth-child(3n+1){
  clear: both;
}
.zbjbli .img_box{
  text-align: center;
}
.zbjbli .img_box img{
  max-width: 60%;
}
.zbjbli .name{
  text-align: center;
  color: #4289c8;
  font-size: 30px;
}
.zbjbli .txt{
  margin-top: 5%;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}
.zbjbli i{
  display: block;
  width: 100%;
  height: 10px;
  background-image: url(/2025xlhlt/icon_zmjb.png);
  background-position: center;
  background-repeat: no-repeat;
}

.headerul {
  display: flex;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}
.headerli{
  width: calc(33.333% - 16px); /* 3列均分，扣除间距 */
  margin: 8px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 30px;
  color: #4289c8;
  background-color: #e5f2fa;
  box-sizing: border-box;
  cursor: pointer;
  font-size: 20px;
}
.headerli.active{
  background: linear-gradient(to right, #1b73e3, #4eafe5);
  color: #fff;
}
.headerli:nth-child(3n){
  margin-right: 0;
}
.headerli:nth-child(3n+1){
  clear: both;
}
.contentli{
  display: none;
}
.contentli.active{
  display: block;
}
.c_head{
  color: #287de0;
  font-size: 30px;
}
.ltjj::before,.ltjj::after,.pthd::after{
  content: '';
  width: 13%;
  height: 25%;
  position: absolute;
  background-size: contain;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 1;
}
.setwidth{
  position: relative;
  z-index: 2;
}
.ltjj::before{
  top: 3%;
  right: 0;
  background-image: url(/2025xlhlt/bg_top_rightpng.png);
}
.ltjj::after{
  bottom: -6.3%;
  left: 0;
  background-image: url(/2025xlhlt/bg_top_left.png);
}
.pthd::after{
  bottom: 0;
  left: 0;
  background-image: url(/2025xlhlt/bg_bottom.png);
}