.max1580 {
    max-width: 1610px;
    padding-left: 15px;
    padding-right: 15px;
    margin: 0 auto;
}

.flex {
    display: flex;
    display: -webkit-flex;
}

.wrap {
    flex-wrap: wrap
}

.j-space-between {
    justify-content: space-between
}

.j-flex-start {
    justify-content: flex-start
}

.home_news {
    position: relative;
    padding-top: 4.166vw;
    padding-bottom: 3.125vw;
}

.home-news-tit {
    margin-bottom: 2.60416vw;
}

.home-news-tit h3 {
    font-size: 2.2916vw;
    color: #333333;
    font-weight: bold;
    margin-bottom: 12px;
}

.home-news-tit p {
    font-size: 16px;
    color: #666666;
}

.home_news_top {
    position: relative;
}

.imgmax img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ntop_aa {
    width: calc(50% - 10px);
    position: relative;
}

.ntop_bb {
    position: relative;
    width: calc(50% - 10px);
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}

.ntop_bb_top {
    margin-bottom: 20px;
}

.ntop_bb_bom {
    position: relative;
}

.ntop_bb_bom .news-video {
    width: calc(50% - 10px);
    position: relative;
}

.news-video img.hhahgn {
    visibility: hidden;
    width: 100%;
}

.news-video video {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    -o-object-fit: fill;
    object-fit: fill;
}

.ntop_bb_bom .news-tj {
    width: calc(50% - 10px);
    background: #176fb6;
    position: relative;
}

.ntop_bb_bom .news-tj a {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    height: 100%;
    flex-direction: column;
    padding: 2.083vw;
    color: #fff;
}

.ntop_bb_bom .news-tj a .h-tim {
    font-family: "Arial";
    font-size: 16px;
    margin-bottom: 15px;
}

.ntop_bb_bom .news-tj a h3 {
    font-size: 17px;
    font-weight: bold;
    line-height: 1.7;
}


/* */

.news-video .play_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.news-video .play_overlay .play_btn {
    position: absolute;
    display: block;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    transform: translate(-50%, -50%);
}

.news-video .play_overlay .play_btn .icon {
    width: 100%;
    height: 100%;
    background: url(../images/v-pat.png) center/contain no-repeat;
}

.news-video .play_overlay .play_btn::before {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    content: '';
    z-index: -1;
    display: none;
}

.news-video .play_overlay .play_btn::after {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    content: '';
    z-index: -1;
    display: none;
}

.news-video .play_overlay .play_btn::before {
    animation: scale 2s ease-out infinite;
    background: #fff;
    opacity: 0.5;
    animation-delay: 0;
}

.news-video .play_overlay .play_btn::after {
    animation: scale2 2s ease-out infinite;
    background: #fff;
    opacity: 0.3;
    animation-delay: 0;
}

@keyframes scale {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: .9
    }
    100% {
        transform: translate(-50%, -50%) scale(4);
        opacity: 0;
    }
}

@keyframes scale2 {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: .9;
    }
    100% {
        transform: translate(-50%, -50%) scale(6);
        opacity: 0;
    }
}


/* home-news-list */

.home-news-list {
    overflow: hidden;
    position: relative;
    margin-top: 50px;
}

.home-news-list li {
    position: relative;
    /*width: calc(100%/4 - 30px);*/
    /*margin: 0 15px 1.5625vw 15px;*/
}

.home-news-list li a {
    display: block;
}

.home-news-list li a h3 {
    font-size: 18px;
    color: #333333;
    font-weight: bold;
    line-height: 1.5;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.home-news-list li a .h-tim {
    font-family: "Arial";
    font-size: 15px;
    color: #176fb6;
    font-weight: bold;
    margin-bottom: 25px;
    margin-top: 10px;
}

.home-news-list li a .h-summ {
    font-size: 15px;
    color: #888888;
    line-height: 1.7;
}

.home-news-list li:hover h3 {
    color: #176fb6;
}

.in-pro {
    padding:1rem 0 1rem;
    position: relative;
    background: url(../images/hanyan.png) no-repeat left bottom;
}
.in-pro h2{
    color:#333;
    font-weight: bold;
    font-size: 40px;
    line-height: 1.2;
    background: url(../images/list1.png) no-repeat;
    padding-left:35px;
}
.in-pro .intro{
    color:#666;
    font-size: 16px;
    margin:1.5vw 0 4.5vw;
    line-height: 1.875;
}
.pro-left{
    width: 31%;
    padding-top: 9px;
}
.hot-search .tit{
  color:#333;
  font-size: 20px;
  line-height: 2;
}
.pro-cate {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 340px;
    padding-top: 0.35rem;
}
.pro-cate li{
    width: calc(50% - 10px);
    text-align: center;
    margin-bottom: 0.2rem;
}
.pro-cate li a{
    display: block;
    padding:0 5px;
    color:#666;
    font-size: 16px;
    line-height: 2.75;
    border: 1px solid #eee;
    border-top-right-radius: 22px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.pro-cate li a:hover{
    background: #176fb6;
    border-color: #176fb6;
    color:#fff;
}
.pro-list{
    position: absolute;
    right:0;
    top:1rem;
    width:60%;
}
.pro-list .pro-item{
    position: relative;
}
.pro-list .pro-item a{
    display: block;
    position: relative;
    padding-top:4.63rem;
}
.pro-list .pro-item a:after{
    position: absolute;
    left:0;
    bottom: 0;
    width:100%;
    height: 50%;
    content:"";
    background-image: -webkit-gradient(linear, bottom left, bottom right, from(rgba(0, 0, 0, 0.54)), to(transparent));
   background-image: -webkit-linear-gradient(bottom, rgba(0, 0, 0, 0.54), transparent);
   background-image: linear-gradient(to top, rgba(0, 0, 0, 0.54), transparent);
   z-index: 1;
}
.pro-list .owl-carousel .owl-item img{
    position: absolute;
    width: 100%;
    height: 100%;
    left:0;
    top:0;
    transition: all 0.5s;
}

.pro-list h3{
    position: absolute;
    width: 100%;
    color:#fff;
    font-size: 24px;
    line-height: 2;
    left:0;
    bottom:0.4rem;
    font-weight: normal;
    padding:0 0.3rem;
    z-index: 9;
    transition: all 0.3s;
}
.pro-list h3:after{
    position: absolute;
    width: 20px;
    height: 20px;
    right:0.3rem;
    top:50%;
    margin-top:-10px;
    content:"";
    background: url(../images/more1.png) no-repeat center;
}
.pro-list .tit{
    position: absolute;
    width: 100%;
    background:#176fb6;
    color:#fff;

    left:0;
    bottom:-185px;
    padding: 20px 0.3rem 30px;
    transition: all 0.5s;

}
.pro-list .tit .s-tit{
   font-size: 24px;
   line-height: 1.5;
   text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.pro-list .tit .s-intro{
   font-size: 14px;
   line-height:23px;
   margin:10px 0 25px;
   overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.pro-list .tit span{
    display: inline-block;
    width:21px;
    height: 6px;
    background: url(../images/list3.png) no-repeat;
    vertical-align: top;
}


.bb4nr{
    margin-top: 4.5vw;
}
.bb4bd{}
.bb4bd li{}
.bb4bd li .img{
    overflow: hidden;
}
.bb4bd li .img img{
    width: 100%;
}
.bb4wz{
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}
.bb4jj{
    width: 46%;
    margin-top: 10vw;
}
.bb4jj h2{
    font-size: 36px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 35px;
    letter-spacing: 0px;
    color: #ffffff;
}
.bb4jj h3{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 32px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-top: 35px;
}
.bb4jj h4{
    width: 144px;
    height: 48px;
    border-radius: 24px;
    border: solid 1px #ffffff;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 48px;
    letter-spacing: 0px;
    color: #ffffff;
    text-align: center;
    backdrop-filter: blur(5px);
    background: rgba(255, 255, 255, 0.15);
    margin-top: 5vw;
}

.bb4jj h4:hover{
    background-color: #0a2777;
    border: solid 1px #0a2777;
    color: #fff;
}



.bb4hd{
    position: absolute;
    bottom: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.18);
    z-index: 99;
}
.bb4hdfl{}
.bb4hdfl li{
    text-align: center;
}
.bb4hdfl li .img{
    height: 45px;
    line-height: 45px;
    margin-top: 29px;
}
.bb4hdfl li .img img{
    max-height: 45px;
}
.bb4hdfl li h2{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 20px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-top: 17px;
    margin-bottom: 25px;
}

.bb4hdfl li.swiper-slide-thumb-active{
    background-color: #0a2777;
}

@media(min-width: 992px){
    .pro-list .owl-carousel .owl-item:hover img{
        margin-top:-185px;
    }
    .pro-list .owl-carousel .owl-item:hover .tit{
        bottom: 0;
    }
    .pro-list .owl-carousel .owl-item:hover h3{
        opacity: 0;
        bottom:1rem;
    }
    .pro-list  .owl-item:hover .pro-item a:after{
        background: none;
    }


}

@media (max-width:768px) {
    .home_news {
        padding: 40px 0;
    }
    .home-news-tit {
        margin-bottom: 25px;
    }
    .home-news-tit h3 {
        font-size: 24px;
    }

    .home_news_top>div {
        width: 100%!important;
        display: block;
    }

    .ntop_bb_bom>div {
        width: 100%!important;
    }
    .ntop_aa {
        margin-bottom: 30px;
    }
    .ntop_bb_bom .news-tj {
        margin-top: 20px;
    }
    .ntop_bb_bom .news-tj a {
        padding: 30px;
    }

    .pro-left{
        width: 100%;
        margin-bottom: 20px;
    }
    .pro-list{
      position: static;
      width: 100%;
      padding: 0 10px;
    }
    .pro-list .pro-item a{
        padding:0;
    }
    .pro-list .owl-carousel .owl-item img{
        position: static;
    }

    .in-pro{
        padding:5vh 0;
    }
    .in-pro h2{
        font-size: 24px;
    }
    .pro-list h3{
        font-size: 16px;
    }
    .pro-list h3:after{
        background-size:15px auto;
    }
    .in-pro .intro{
        font-size:15px;
        margin:10px 0;
    }

    .bb4x{
        margin-top: 35px;
    }
    .bb4wz{position: relative;background: none;}
     .bb4bd li .img img{
    }   
    .bb4hd{
        position: relative;
        background: rgba(0, 0, 0, 0.5);
    }
        
    .bb4bt h2{font-size: 28px;}
    .bb4bt h3{font-size: 14px;line-height: 27px;margin-top: 5px;}

    .bb4hdfl li .img{ height: 40px;  line-height: 40px;   margin-top: 20px;}
    .bb4hdfl li .img img{ 
        max-height: 35px;
    }
    .bb4hdfl li h2{
        font-size: 14px; 
        margin-top: 14px;
        margin-bottom: 15px;
    }

    .bb4jj h2{font-size: 26px;line-height: 26px;color: #333;}
    .bb4jj h3{font-size: 14px;margi;margin-top: 14px;color: #333;}
    .bb4jj{width: 100%;padding: 25px 0 35px;margin-top: 0;}
    .bb4jj h4{
        margin-top: 25px;
        background: rgba(0, 0, 0, 0.5);
        height: 43px;
        line-height: 41px;
    }

    .std-h1 {
        font-size: 16px;
    }

    .ys-ban-text .std-text1 {
        font-size: 12px;
    }

    .home-indus::before {
        height: 109px;
    }
}