* {
  padding: 0;
  margin: 0;
}
li {
  list-style: none;
}
a {
  text-decoration: none;
}
img {
  max-width: 100%;
}
.clear::after {
  content: "";
  display: block;
  clear: both;
}
.block{
  margin-bottom: 60px;
}
video {
  width: 100%;
}
.setwidth {
  max-width: 95%;
  /* width: 1520px; */
  width: 1440px;
  margin: 0 auto;
}
.title img{
  display: inline-block;
}
.content{
  max-width: 1920px;
  margin: 0 auto;
  margin-top: 40px
}

.nsgk,.cxns,.whns,.stns,.tzns,.fxns{
  margin-bottom: 90px;
}
.nsgk,.cxns{
  padding-top: 90px;
}
.cxns{
  padding-bottom: 90px;
}
.nsgk .title,.fxns .title{
  margin-bottom: 30px;
}
/* 外层容器：PC端三列等高，移动端堆叠 */
.main-container {
  display: flex;
  /* gap: 4.5%; */
  align-items: stretch; /* 强制子元素等高 */
  flex-wrap: wrap; /* 移动端自动换行 */
}
/* 左侧图片区 */
.nsgk_c .left-img-box {
  flex: 3.7;
  min-width: 300px; /* 移动端最小宽度 */
}
.nsgk_c .left-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
}
/* 中间内容区 */
.nsgk_c .middle-content-box {
  flex: 3.4;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* 按钮固定在底部 */
  margin: 0 3%;
}
.nsgk_c .content-item {
  display: none; /* 默认隐藏所有内容 */
}
.nsgk_c .content-item p{
  font-size: 20px;
  text-indent: 2em;
}
.nsgk_c .content-item p strong{
  font-weight: 400;
  text-indent: 2em;
  display: block;
}
.nsgk_c .content-item a{
  color: #0c4ed0;
  display: inline-block;
  text-indent: 0;
}
.nsgk_c .content-item.active {
  display: block; /* 激活的内容显示 */
}
/* 右侧按钮区（PC端单列，移动端同行） */
.nsgk_c .right-btn-group {
  flex: 1; /* PC端固定宽度 */
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-width: 200px; /* 移动端最小宽度 */
}
/* 右侧单个按钮样式 */
.nsgk_c .side-btn {
  color: #fff;
  border: none;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  cursor: pointer;
  flex: 1; /* 按钮在PC端占满列高度 */
}
.nsgk_c .side-btn img{
  max-height: 124px;
}
/* 中间内容区的标题 */
.nsgk_c .title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 15px;
  padding-bottom: 5px;
  border-bottom: 1px solid #eee;
}
/* 中间内容区的文本 */
.nsgk_c .content-wrapper {
  line-height: 1.8;
  color: #333;
  margin-bottom: 20px;
  text-indent: 2em;
}
/* 中间底部的标签按钮 */
.nsgk_c .tab-btn-group {
  display: flex;
  margin: 0 -5px;
  width: 100%;
}
.nsgk_c .tab-btn {
  flex: 1; 
  text-align: center; 
  padding: 8px 20px;
  border: none;
  border-radius: 20px;
  background-color: #9abcff;
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  font-weight: 600;
  margin: 0 5px;
}
.nsgk_c .tab-btn.active {
  background-color: #0c4ed0;
  color: #fff;
}


/* 创新南山 */
.cxns{
  background: url(/mlns2026/bg_cxns.png);
}

/* 整体容器：左右分栏 */
.cxns .container {
  display: flex;
  width: 100%;
  margin: 20px auto;
}
/* 左侧导航栏 */
.cxns .left-nav {
  width: 30%;
  padding-top: 10%;
}
.cxns .nav-item {
  height: 60px;
  line-height: 60px;
  text-align: left;
  font-size: 25px;
  color: #333;
  float: left;
  clear:both;
}
.cxns .nav-item.active, .cxns .nav-item:hover {
  color: #0c4ed0;
  font-size: 27px;
  font-weight: bold;
}
/* 右侧数据区：网格布局 */
.cxns .right-data {
  width: 70%;
  padding: 20px;
  display: none; /* 默认隐藏所有数据板块 */
  height: 600px;
}
.cxns .right-data.active {
  display: block; /* 激活的板块显示 */
}
.cxns .data-grid {
  display: flex;
  /* gap: 30px; */
  height: 300px;
  margin: 0 -15px; 
  margin-bottom: 20px;
}
/* 数据卡片样式 */
.cxns .data-card {
  background-color: #fff;
  border: 1px solid #e0efff;
  border-radius: 20px;
  padding: 20px;
  text-align: center;
  flex: 1;
  
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.44);
  margin: 0 15px; 
}
.cxns .card-icon {
  position: relative;
  max-width: 120px;
  margin: 0 auto 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.cxns .card-icon::after{
  content: '';
  width: 50%;
  height: 3px;
  background-color: #0c4ed0;
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
}
.cxns .card-title {
  font-size: 20px;
  line-height: 30px;
  height: 60px;
  color: #0c4ed0;
  margin-bottom: 8px;
}
.cxns .card-value {
  font-size: 27px;
  font-weight: bold;
  color: #0c4ed0;
}
/* 科技大事记 */
.kjdsj_lunbo{
  width: 100%;
}
.kjdsj_swiper-container{
  z-index: 1;
  height: 620px;
  padding: 20px 0;
}
.lunbo_box{
  position: relative;
}
.lunbo_box::after{
  content: '';
  height: 3px;
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 0;
  background: #064c87;
}
.slide_box{
  width: 90%;
  height: 100%;
  margin: 0 auto;
  position: relative;
}
.slide_c{
  width: 100%;
  position: absolute;
  bottom: 60%;
  
}
.slide_c2{
  top: 60%;
}
.slide_c::after{
  content: "";
  display: block;
  position: absolute;
  border: 15px solid transparent;
  left: 50%;
  transform: translateX(-50%);
}
.slide_c1::after{
  top: 100%;
  border-top-color: #e6edf3;
}
.slide_c2::after{
  bottom: 100%;
  border-bottom-color: #e6edf3;
}
.slide_txt{
  background: #e6edf3;
  border-radius: 5%;
  padding: 5%;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.44);
}
.lb_time{
  font-size: 30px;
  color: #064c87;
  line-height: 40px;
  font-weight: 600;
}
.lb_title a{
  font-size: 18px;
  font-weight: 600;
  line-height: 30px;
  color: #064c87;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  /* 溢出部分隐藏 */
  overflow: hidden;
  /* 可选：末尾显示省略号（-webkit-line-clamp 会自动加） */
  text-overflow: ellipsis;
  /* 防止文字换行异常 */
  word-break: break-all;
}
.lb_title a:hover{
  text-decoration: underline;
}
.lb_jj{
  font-size: 16px;
  line-height: 25px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  /* 溢出部分隐藏 */
  overflow: hidden;
  /* 可选：末尾显示省略号（-webkit-line-clamp 会自动加） */
  text-overflow: ellipsis;
  /* 防止文字换行异常 */
  word-break: break-all;
}
.lb_point{
  position: absolute;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #064c87;
  box-shadow: 0px 0px 10px #fff;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}
/* 科技大事记end */
/* 创新南山end */
/* 文化南山 */
/* 整体容器：左右分栏 */
.whns .container {
  display: flex;
  width: 100%;
  margin: 20px auto;
}
/* 左侧导航栏 */
.whns .left-nav {
  width: 24%;
  padding-top: 10%;
}
.whns .nav-item {
  height: 60px;
  line-height: 60px;
  text-align: left;
  font-size: 25px;
  color: #333;
  float: left;
  clear: both;
}
.whns .nav-item.active {
  color: #0c4ed0;
  font-size: 27px;
  font-weight: bold;
}
/* 右侧数据区：网格布局 */
.whns .right-data {
  width: 75%;
  /* padding: 20px; */
  display: none; /* 默认隐藏所有数据板块 */
  /* height: 700px; */
}
.whns .right-data.active {
  display: block; /* 激活的板块显示 */
}
.whns .right-data ul{
  overflow: hidden;
  height: 100%;
}
.listbox{
  float: left;
  overflow: hidden;
  /* height: 48%; */
  margin-bottom: 2%;
  margin-right: 2%;
  position: relative;
}
.listbox img{
  display: block;
  border-radius: 5%;
  overflow: hidden;
  width: 100%;
  height: 210px;
}
.whns .listbox img{
  height: 291px;
}
.listbox p{
  text-align: center;
  font-size: 20px;
  line-height: 2;
  color: #333333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#nsgs .listbox {
  width: 49%;
}
#nsgs .listbox:nth-child(2n){
  margin-right: 0;
}
#nsgs .listbox:nth-child(2n+1){
  clear: both;
}
#whcg .listbox,#wwbhdw .listbox,#tycg .listbox,#lyjq .listbox,#pphd .listbox,#special-zone .listbox{
  width: 32%;
}
#whcg .listbox:nth-child(3n),#wwbhdw .listbox:nth-child(3n),#tycg .listbox:nth-child(3n),#lyjq .listbox:nth-child(3n),#pphd .listbox:nth-child(3n),#special-zone .listbox:nth-child(3n){
  margin-right: 0;
}
#whcg .listbox:nth-child(3n+1),#wwbhdw .listbox:nth-child(3n+1),#tycg .listbox:nth-child(3n+1),#lyjq .listbox:nth-child(3n+1),#pphd .listbox:nth-child(3n+1),#special-zone .listbox:nth-child(3n+1){
  clear: both;
}

/* 国高鼠标悬停块 */
.poscon{
  position: absolute;
  width: 100%;
  height: 88%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.44);
  display: none
}
.posconbox{
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
}
.posconbox a{
  display: block;
  color: #fff;
  font-size: 40px;
  line-height: 2;
  text-align: center;
}
.posconbox a:hover{
  background: rgba(255,255,255,.3)
}
/* 文化南山 end*/
/* 生态南山 */

/* 整体容器：左右分栏 */
.stns{
  position: relative;
}
.stns_bg_box{
  position: relative;
}
.stnsbg{
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: all 0.5s linear;
}
.stnsbg.active{
  display: block;
  opacity: 1;
}
.stnsbox{
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.stnsbox .setwidth{
  position: relative;
  z-index: 1;
  height: 100%;
}
.stnsbox::before{
  content: '';
  width: 50%;
  height: 100%;
  position: absolute;
  left: 0 ;
  top: 0;
  background: linear-gradient(to right, rgba(12, 78, 208, .8), rgba(255, 255, 255, 0));
  z-index:0;
}
.stns .container {
  display: flex;
  width: 100%;
}
/* 左侧导航栏 */
.stns .left-nav {
  width: 24%;
  padding-top: 10%;

}
.stns .nav-item {
  height: 60px;
  line-height: 60px;
  text-align: left;
  font-size: 25px;
  color: #fff;
  float: left;
  clear: both;
}
.stns .nav-item.active{
  color: #fff;
  font-size: 30px;
  font-weight: bold;
}
/* 右侧数据区：网格布局 */
.stns_right_bg{
  position: absolute;
  right: 0;
  bottom: 5%;
  width: 30%;
  background: linear-gradient(to left, rgba(12, 78, 208, .9), rgba(255, 255, 255, 0));
  height: 30%;
}
.stns .right-data {
  padding: 40px 0;
  display: none; /* 默认隐藏所有数据板块 */
  position: absolute;
  right: 0;
  bottom: 5%;
}
.stns .right-data.active {
  display: block; /* 激活的板块显示 */
}
.stnscblock{
  margin-bottom: 0;
  text-align: center;
  width: 220px;
}
.stnscblock .cheader{
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.stnscblock .ccon{
  display: inline-block
}
.stnscblock .ccon a{
  display: inline-block;
  font-size: 16px;
  line-height: 40px;
  font-weight: 600;
  color: #0c4ed0;
  background: #fff;
  border-radius: 20px;
  text-align: center;
  margin-bottom: 10px;
  padding: 0 20px;
  transition: all 0.2s linear;
  
}
.stnscblock .ccon a:hover{
  color: #fff;
  background: #0c4ed0;
}
/* 生态南山end */

.tzns .title{
  text-align: center;
}
.tzns_top{
  display: block;
  background-image: url(/mlns2026/bg_tzns_top.png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  margin-bottom: 30px;
}
.tzns_top p{
  font-size: 50px;
  line-height: 210px;
  text-align: center;
  color: #fff;
  padding-top: 30px;
  font-weight: 600;
}
.tzns_c {
  float: left;
  width: 12%;
  margin-right: 1.3%;
  background-size: auto 100%;
  background-repeat: no-repeat;
  transition: all 0.5s linear;
}
.tzns_c1{
  background-image: url(/mlns2026/bg_tzns_c1.jpg);
}
.tzns_c2{
  background-image: url(/mlns2026/bg_tzns_c2.jpg);
}
.tzns_c3{/*待定*/
  background-image: url(/mlns2026/bg_tzns_c3.jpg);
}
.tzns_c4{
  background-image: url(/mlns2026/bg_tzns_c4.jpg);
}
.tzns_c:last-child{
  margin-right: 0;
}
.tzns_c.active{
  width: 60%;
}
.tzns_c_box{
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,.3);
  position: relative;
  overflow: hidden;
}
.tzns_c4 .tzns_c_box{
  background-color: rgba(0,0,0,.4);
}
.tzns_c_right{
  display: none;
}
.tzns_c.active .tzns_c_right{
  display: block;
}
.tzns_c_left,.tzns_c_right{
  float: left;
}
.tzns_c_left p{
  width: 20px; /* 仅容纳单个文字 */
  letter-spacing: 8px; /* 调整垂直间距 */
  font-size: 25px;
  font-weight: 600;
  /* 核心：内部文字居中 */
  text-align: center; /* 单个文字水平居中（视觉上垂直堆叠居中） */
  /* 可选：若需调整容器内文字垂直位置，可搭配 line-height 或 padding */
  line-height: 1.5; /* 增大行间距，优化视觉效果 */
  color: #fff;
  padding: 128px 80px;
}
.tzns_c_box ul{
  width: 570px;
  position: absolute;
  left: 180px;
  top: 0;
  padding: 80px 80px;
}
.tzns_c_box li{
  float: left;
  overflow: hidden;
  padding: 50px 30px;
  width: 49%;
  box-sizing: border-box;
  padding-right: 0;
}
.tzns_c_box li:nth-child(2n+1){
  clear: both;
}

.tzns_c_box li>div{
  float: left;
}
.tzns_c_box li img{
  height: 60px;
  margin-right: 10px;
}
.tzns_c_box li p{
  line-height: 30px;
  color: #fff;
}

.boder_right_bottom{
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
}
.boder_left_bottom{
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
}
.boder_l_r_b{
  border-left: 1px solid #fff;
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
}
.boder_right_top{
  border-right: 1px solid #fff;
  border-top: 1px solid #fff;
}
.boder_left_top{
  border-left: 1px solid #fff;
  border-top: 1px solid #fff;
}
.boder_l_r_t{
  border-left: 1px solid #fff;
  border-right: 1px solid #fff;
  border-top: 1px solid #fff;
}
.boder_bottom{
  border-bottom: 1px solid #fff;
}
.boder_right{
  border-right: 1px solid #fff;
}
.tzns_c_box li strong{
  font-size: 30px;
}
.tzns_bottom{
  margin-top: 30px;
}
.tzns_bottom>div{
  float: left;
  width: 49%;
}
.tzns_bottom img{
  width: 100%;
}
.tzns_b_l{
  margin-right: 1.9%;
}



.tzns_c2 .tzns_c_box li p{
  max-width: 100px;
}
.tzns_c2 .tzns_c_box li{
  padding: 35px 30px;
}
.addmargintop img{
  margin-top: 25px;
}
.tzns_c3 ul{
  padding: 115px 0;
  width: 650px;
}
.tzns_c3 .tzns_c_box li{
  width: 33%;
  padding: 20px 30px;
}
.tzns_c3 .tzns_c_box li:nth-child(2n+1){
  clear: none;
}
.tzns_c3 .tzns_c_box li:nth-child(3n+1){
  clear: both;
}
.tzns_c3 .tzns_c_box li>div{
  float: unset
}
.tzns_c3 .tzns_c_box{
  text-align: center
}
.tzns_c3 .tzns_c_box li img{
  margin-right: 0;
}
.tzns_c4 li{
  text-align: center;
  color: #fff;
  padding: 0;
  width: 45%;
}
.tzns_c4  .tzns_c_box li p.ewmtxt{
  text-align: left;
}
.ewmtitle{
  font-size: 20px;
  font-weight: 600;
  line-height: 30px;
  margin-bottom: 20px;
}
.ewmtxt{
  font-size: 16px;
}
.tzns_c4 ul{
  padding: 55px 35px;
}
.tzns_c4 li img{
  display: block;
  width: 80%;
  height: auto;
  margin: 0 auto;
}





.fxns .title{
  text-align: center;
}
.fxns_contain img{
  display: block;
  width: 100%;
}
.fxns_contain>div,.fxns_contain li{
  float: left;
}
.fxns_contain,.fxns_contain ul{
  overflow: hidden;
}
.fxns_left{
  width: 70.8%;
  margin-right: 1%;
}
.fxns_right{
  width: 27%;
}
.fxns_l_t li{
  width: 49.1%;
}
.fxns_l_t li:nth-child(1){
  margin-right: 1.5%;
}
.fxns_l_b {
  margin-top: 18px;
}
.fxns_l_b li{
  width: 32.2%;
  margin-right: 1.5%;
}
.fxns_l_b li:last-child{
  margin-right: 0
}
.fxns a{
  display: block;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.fxns_txt{
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(12, 78, 208, .4);
}
.fxns_txt p{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  color: #fff;
  font-size: 30px;
  font-weight: 600;
  text-align: center;
}



.swiper-pagination-bullet{
  width: 20px;
  height: 20px;
}
.swiper-container-horizontal>.swiper-pagination-bullets{
  bottom: -4px; 
}


.cxns .nav-item,.whns .nav-item,.stns .nav-item{
  cursor: default;
}
/* 移动端适配（屏幕宽度≤991px） */
@media (max-width: 991px) {
  .main-container {
      flex-direction: column; /* 三区块堆叠 */
  }
  .nsgk_c .right-btn-group {
      flex-direction: row; /* 右侧两个按钮同行 */
      flex: 1;
      min-width: auto;
  }
  .nsgk_c .side-btn {
      flex: 1; /* 按钮平分宽度 */
      justify-content: center;
  }
  .nsgk_c .left-img-box{
    text-align: center;
  }
  .cxns .nav-item.active, .cxns .nav-item:hover,.whns .nav-item.active{
    font-size: 1.4rem;
  }
  .cxns .left-nav,.whns .left-nav,.stns .left-nav{
    width: 100%;
  }
  .cxns .right-data,.whns .right-data{
    width: 100%;
    padding: 0;
    height: auto;
  }
  .whns .container,.cxns .container{
    flex-wrap: wrap;
  }
  .whns .nav-item,  .cxns .nav-item{
    clear: none;
    margin: 10px;
    font-size: 1rem;
  }
  .whns .listbox img,.cxns .listbox img{
    height: 150px;
  }
  .cxns .data-card{
    padding: 10px;
    flex: 1!important;
    margin: 0 5px;
    margin-bottom: 5px;
    min-width: 30%;
  }
  .cxns .data-grid{
    margin: 0 -5px;
    flex-wrap: wrap;
    height: auto;
  }
  .cxns .card-title{
    font-size: 16px;
    line-height: 1.5;
  }
  .whns .listbox,.cxns .listbox{
    width: 49%!important;
    margin-bottom: 2%!important;
    margin-right: 1%!important;
    clear: none!important;
  }
  .whns .listbox:nth-child(2n),.cxns .listbox:nth-child(2n){
    margin-right: 0!important;
  }
  .whns .listbox:nth-child(2n+1),.cxns .listbox:nth-child(2n+1){
    clear: both!important;
  }
  .stns{
    background: #4a7bdc;
  }
  .stns .title{
    margin-bottom: 0!important;
  }
  .stns_bg_box{
    position: absolute;
    z-index: 0;
    top: 0;
    left: 0;
  }
  .stnsbox{
    height: auto;
    position: relative;
  }
  .stns .left-nav{
    padding-top: 10px;
  }
  .stns .right-data{
    padding: 10px 0;
    margin-right: -2.5%;
    width: 100%;
    position: static;
    background: linear-gradient(to left, rgba(12, 78, 208, .8), rgba(255, 255, 255, 0))
  }
  .stns_right_bg{
    display: none;
  }
  .stnscblock{
    margin-bottom: 0;
    width: 100%;
  }

  .tzns_c{
    float: unset;
    width: 100%!important;
    margin-right: 0;
    margin-bottom: 10px;
  }
  .tzns_top p{
    font-size: 30px;
    line-height: 1.5;
  }
  .tzns_c_left p{
    padding: 128px 20px;
  }
  .tzns_c_box ul{
    position: static;
    float: right;
    width: 80%;
    padding:15% 0;
  }
  .tzns_c_box li p{
    font-size: 0.8rem;
    line-height: 1.5;
    height: 4em;
  }
  .ewmtitle{
    height: auto!important;
  }
  .tzns_c4 .tzns_c_box li p.ewmtxt{
    height: auto;
  }
  .tzns_c_box li{
    padding: 5% 5%!important;
  }
  .tzns_c_box li strong{
    font-size: 1.5rem;
  }
  .tzns_bottom{
    margin-top: 10px;
  }
  .tzns_bottom>div{
    width: 100%;
    margin-bottom: 10px;
  }
  .tzns_bottom>div *{
    height: auto!important;
  }
  .fxns_txt p{
    font-size: 1rem;
  }
  .fxns_l_b {
      margin-top: 2%;
  }

  .nsgk_c .tab-btn{
    font-size: 1rem;
  }
  .nsgk,.cxns,.whns,.stns,.tzns,.fxns{
    margin-bottom: 20px;
  }
  .nsgk,.cxns{
    padding-top: 20px;
  }
  .cxns{
    padding-bottom: 20px;
  }



  .nsgk .title img,.cxns .title img,.whns .title img,.tzns .title img,.fxns .title img{
    width: 50%;
    min-width: 100px;
  }
}