.banner_box {
    width: 100%;
    height: calc(60px + 25rem);
    background: url(../images/xwzx.jpg) no-repeat;
    background-size: cover;
    position: relative;
}

.banner {
    max-width: 1420px;
    width: 85%;
    height: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;

}

.banner_nav_box {
    width: 100%;
    border-bottom: 1px #ffffff48 solid;
    position: absolute;
    top: 0;
    height: calc(10px + 2rem);
    display: flex;
    flex-direction: column;
    justify-content: center;

}

.banner_nav {
    max-width: 1420px;
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0.5rem;
}

.banner_nav div {

    font-family: PINGFANG;
    font-weight: 300;
    font-size: calc(6px + 0.5rem);
    color: #FFFFFF;

}

.banner_text {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: calc(1px + 0.5rem);
}

.banner_text div:nth-of-type(1) {

    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 1.5rem);
    color: #FEFEFE;
}

.banner_text div:nth-of-type(2) {

    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 1rem);
    color: #FEFEFE;
}

.nav_box {
    width: 100%;

    height: calc(20px + 3rem);
    background: #FFFFFF;
    box-shadow: 0px 4px 6px 0px rgba(3, 15, 53, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nav {
    max-width: 1420px;
    width: 85%;
    height: 100%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
   
}

.nav .navItem {
    height: 100%;
    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 0.5rem);
    color: #333333;
    display: flex;
    align-items: center;
}
.nav .navItem:hover{
    color: #D21010;
}
.nav a{
    position: relative;
}
.nav a:hover .nav_line{
    width: 100%;
    transition: .5s;
}
.nav_line{
    width: 0;
    height: 1px;
    background-color: #D21010;
    position: absolute;
    bottom: 0;
    left: 0;
}
.nav a {
    height: 100%;
}

.nav_box .nav .active{
    color: #D21010;
    border-bottom: 1px #D21010 solid;
  }


.news_read_box{
    width: 100%;
    padding-bottom: calc(2px + 5rem);
}

.news_read{
    max-width: 1420px;
    width: 85%;
    margin: auto;
    overflow: hidden;
}

.news_read_detail{
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: calc(32px + 5rem);
   
    
}
.news_read_detail_left{
    width: 68.5%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: calc(1px + 0.5rem);
}

.news_title{

font-family: PINGFANG;
font-weight: 400;
font-size: calc(6px + 1.5rem);
color: #0C0C0C;
text-align: center;
margin-bottom: calc(10px + 1rem);
}
.news_time_visit {
display: flex;
justify-content: center;
align-items: center;
gap: calc(19px + 2rem);
}
.news_time_visit div img{
    width: calc(6px + 0.5rem);
}
.news_time_visit div:nth-of-type(2) img{
    width: calc(2px + 1rem);
}
.news_time_visit div{

font-family: PINGFANG;
font-weight: 400;
font-size: calc(6px + 0.5rem);
color: #30333B;
opacity: 0.5;
display: flex;
justify-content: flex-start;
align-items: center;
gap: 0.25rem;
}
.news_intro{

font-family: PINGFANG;
font-weight: 300;
font-size: calc(8px + 0.5rem);
color: #666666;
line-height: calc(22px + 1rem);
text-align: justify;
border-top: 1px #E8E8E8 solid;
border-bottom: 1px #E8E8E8 solid;
padding-top: calc(5px + 2rem);
}

.news_intro img{
    width: calc(170px + 20rem);
    height: calc(130px + 10rem);
    object-fit: cover;
    margin: auto;
    margin-top: calc(1px + 2.5rem);
    position: relative;
   
}
.news_intro p{
    padding-bottom: calc(5px + 0.5rem);
    text-align: justify;
}

.news_prev_next{
    margin-top: calc(2px + 2rem);
}

.news_prev_next div{
    
font-family: PINGFANG;
font-weight: 400;
font-size: calc(10px + 0.5rem);
color: #252525;
line-height: calc(10px + 1.5rem);
}
.news_prev_next div:hover{
    color: #D21010;
}

.return_list{
    width: calc(20px + 7rem);
line-height: calc(11px + 2rem);
background: #FFFFFF;
border: 1px solid #DDDDDD;
font-family: PINGFANG;
font-weight: 400;
font-size: calc(6px + 0.5rem);
color: #333333;
text-align: center;
display: flex;
justify-content: center;
align-items: center;
gap: calc(5px + 0.25rem);
margin-top: calc(6px + 1.5rem);
}
.return_list span{
    font-family: 黑体;
}
.return_list:hover{
    color: #D21010;
    border: 1px #D21010 solid;
}
.news_read_detail_right{
    width: 25.35%;
}
.news_hot_title{
    width: 100%;
font-family: PINGFANG;
font-weight: bold;
font-size: calc(4px + 1rem);
color: #30333B;
}
.news_hot_list{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(3px + 2rem);
    margin-top: calc(6px + 2rem);
}
.news_hot_news{
    padding-top: calc(10px + 1.5rem);
    border-top: 1px #30333b46 solid;
}
.news_hot_news_title{
   
    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(10px + 0.5rem);
    color: #333333;
}
.news_hot_news_time{
   
    font-family: PINGFANG;
    font-weight: 400;
    font-size: calc(6px + 0.5rem);
    color: #666666;
    padding-top: calc(1px + 1rem);

}
.news_hot_news:hover div{
    color: #D21010;
}

@media (max-width: 1100px) {
    .banner_nav_box{
        display:none
    }

    .nav_box{
        display: none;
    }
    .news_read_detail{
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
    .news_read_detail_left{
        width: 100%;
    }
    .news_read_detail_right{
        width: 100%;
    }
    .news_title{
        font-size: calc(10px + 1rem);
    }
    .news_intro{
        font-size: calc(9px +1rem);
    }
    .news_hot_title{
        font-size: calc(12px + 1rem);
    }
    .news_prev_next{
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        gap: calc(5px + 0.5rem);
    }
    .return_list{
        width: calc(50px + 5rem) ;
    }
}