.index_width{
    width:80%;
    height:100vh;
    margin-left: auto;
    margin-right: auto;
    padding-top: 80px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.banner_box{
    width:100%;
    height:100vh;
    overflow: hidden;
    position: relative;
}
.banner{
    width:100%;
    height:100%;
    position: absolute;
}
.banner::before{
    content:'';
    position: absolute;
    width:100%;
    height:100%;
    left:0;
    bottom:0;
    background-image: url(../images/banner_cover2.png);
    background-repeat: repeat-x;
    background-position: 0 bottom;
    transform-origin: center bottom;
    mix-blend-mode: multiply;
    z-index: 5;
    animation: waterWave2 12s linear infinite,lunbo2 12s linear infinite;
    /*animation: wave 2s linear infinite;
    */animation-fill-mode: forwards;
    backface-visibility: hidden;
    will-change: transform;
    animation-play-state: running;
  
    -webkit-animation: waterWave2 12s linear infinite,lunbo2 12s linear infinite;
}
/* .banner_cover */
.banner::after{
    content:'';
    position: absolute;
    width:100%;
    height:100%;
    left:0;
    bottom:0;
    background-image: url(../images/banner_cover.png);
    background-repeat: repeat-x;
    background-position: 0 bottom;
    transform-origin: center bottom;
    mix-blend-mode: multiply;
    z-index: 5;
    animation: waterWave2 12s linear infinite,lunbo2 12s linear infinite;
    /*animation: wave 2s linear infinite;
    */animation-fill-mode: forwards;
    backface-visibility: hidden;
    will-change: transform;
    animation-play-state: running;
  
    -webkit-animation: waterWave2 12s linear infinite,lunbo2 12s linear infinite;
}


/* .banner::after.waveDown {
    animation: waveDown 2s linear infinite;
    animation-play-state: paused;
}
.banner::after.waveUp {
    animation: waveUp 2s linear infinite;
    animation-play-state: paused;
} */





@keyframes waterWave2 {
    0% {
        transform: translateX(0)translateY(0)scale(1);
    }
    25% {
        transform: translateX(0)translateY(200px)scale(1.1);
        -webkit-transform: translateX(0)translateY(200px)scale(1.1);
        -moz-transform: translateX(0)translateY(200px)scale(1.1);
        -ms-transform: translateX(0)translateY(200px)scale(1.1);
        -o-transform: translateX(0)translateY(200px)scale(1.1);
}
    50% {
        transform: translateX(0)translateY(50px)scale(1.2);
        -webkit-transform: translateX(0)translateY(50px)scale(1.2);
        -moz-transform: translateX(0)translateY(50px)scale(1.2);
        -ms-transform: translateX(0)translateY(50px)scale(1.2);
        -o-transform: translateX(0)translateY(50px)scale(1.2);
}
    75% {
        transform: translateX(0)translateY(150px)scale(1.1);
        -webkit-transform: translateX(0)translateY(150px)scale(1.1);
        -moz-transform: translateX(0)translateY(150px)scale(1.1);
        -ms-transform: translateX(0)translateY(150px)scale(1.1);
        -o-transform: translateX(0)translateY(150px)scale(1.1);
}
    100% {
        transform: translateX(0)translateY(0)scale(1);
    }
}
@keyframes lunbo2 {
    0% {
        background-position:0 bottom
    }
    100% {
        background-position:7000px bottom
    }
}


.banner .swiper-wrapper{
    width:100% !important;
    height:100% !important;
}
/* .swiper,
.swiper-slide {
    box-sizing: border-box;
} */
.banner img{
    display: block;
    width:100%;
    height:100%;
    object-fit:cover;
}
.banner_box .banner_text{
    position: absolute;
    left:0;
    top:0;
    width:100%;
    height:100%;
    z-index: 6 !important;
}
.banner_box .banner_text li{
    width:100%;
    height:100%;
    font-size: 2vw;
    color:#fff;
    padding-top: 45vh;
    box-sizing: border-box;
    text-align: center;
    display: none;
    transition: all 0.2s ease;
}
.banner_box .banner_text li.on{
    display: block;
}
.banner_box .open{
    position: absolute;
    left:calc(50% - 32px);
    bottom:70px;
    width:64px;
    height:64px;
    z-index: 7 !important;
    animation: open 5s linear infinite;
}
@keyframes open{
    0%{
        transform: translateY(0px);
        opacity:0;
    }
    70%{
        transform: translateY(30px);
        opacity:1;
    }
    100%{
        transform: translateY(0px);
        opacity:0;
    }
}


/* product */
.product_bg{
    background: url(../images/product_bg.png) no-repeat;
    background-size: 100% 100%;
    background-position: top center;
    overflow: hidden;
}
.product_bg .dbt{
/** 文本1 */
margin-top: 80px;
padding: 30px 0;
font-size: 44px;
font-weight: 900;
line-height:60px;
color:#fff;
text-align: center;

}
.product.index_width{
    /* padding-top: 0px!important; */
    justify-content: start;
}
.product{
    margin-top: 20px; 
    background-color: #fff;
    padding: 70px 30px 0px 30px!important;   
    box-sizing: border-box;
    border-radius: 10px 10px 0px 0px    ;
    -webkit-border-radius: 10px 10px 0px 0px    ;
    -moz-border-radius: 10px 10px 0px 0px    ;
    -ms-border-radius: 10px 10px 0px 0px    ;
    -o-border-radius: 10px 10px 0px 0px    ;
} 
.product_search_box{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: end;
}
.product_search_box .tabs {
    display: flex;
    flex-direction: row;
    justify-content: start;
    align-items: center;
}

.product_search_box .tabs .item{
    font-size: 1.2vw;
    color:#000;
    line-height: 1;
    padding:10px 20px;
    box-sizing: border-box;
    border-radius: 4px;
    background: #F5F5F5; margin-right: 20px;
}
.product_search_box .tabs .item.open{
    background: #1465EF;
    color:#fff;
}
.product_search{
    position: absolute;
    /* top:calc(1vw - 1px); */
    right:0;
    width:48%;
}
.product_search p{
    font-size: 1.2vw;
    color:#000;
    line-height: 1;
    margin-bottom: 0.6vw;
}
.product_search .select_box select{
    float:left;
    width:calc(100% - 170px);
    height:2.5vw;
}
.product_search .select_box button{
    float:left;
    width:150px;
    height:2.5vw;
    border-radius: 6px;
    background: rgb(20, 101, 239);
    font-size: 16px;
    color:#fff;
    margin-left: 20px;
}
.product select{
    padding:0 15px;
    box-sizing: border-box;
    border:1px solid #545454;
    border-radius: 4px;
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.select_box{
    position: relative;

}
.select_box .form-control{
  border: 2px solid #1465EF;
  height: 2.5vw;
  width: 29vw;
  padding-left: 10px; font-size: 0.9vw;
  line-height: 2.5vw;
}

.py_top_search{
    display: flex;
    justify-content: end;
    align-items: center;
}
/* .product_search .select_box{
    position: relative;
} */
/* .product .select_box::after{
    position: absolute;
    top:1vw;
    right:190px;
    content:"";
    width:6px;
    height:6px;
    border-right: 2px solid rgb(20, 101, 239);
    border-bottom: 2px solid rgb(20, 101, 239);
    transform: rotate(45deg);
    z-index: 5;
} */

.index_tit{
    font-size: 2vw;
    font-weight: bold;
    line-height: 1;
    color:#39414D;
    position: relative;
    display: inline-block;
}
.index_tit::after{
    content:"";
    position: absolute;
    left:0;
    bottom:-0.8vw;
    /* width:12vw;
    height:2px;
    background-color: rgba(0,0,0,0.5); */
    /* width:100%; */
    width:8vw;
    height:5px;
    background-color: #1465EF;
}
/* .index_tit.product_tit::after{
    width:22%;
}
.index_tit.news_tit::after{
    width:30%;
} */
.product_list{
    width:100%;
    margin-top: 6vw;
    display: none;
}

.product_item{
    float:left;
    width:22%;
    /* height:20vw; */
    height:calc(15vw + 108px);
    border-radius: 10px;
    overflow: hidden;
    background: rgb(242, 242, 242);
}
.product_item:not(:last-child){
    margin-right: 4%;
}
.product_item a{
    padding-bottom: 10px;
    box-sizing: border-box;
}
.product_item .pic_box{
    width:100%;
    height:12vw;
    overflow: hidden;
}
.product_item .pic_box img{
    width:100%;
    height:100%;
    object-fit: cover;
    transition: all 0.4s ease;
}
.product_item .tit{
    height:3vw;
    line-height: 3vw;
    text-align: center;
    font-size: 1.1vw;
    color:#39414D;
    background:rgb(245, 243, 243);
    border-radius: 0 0 0px 0px;
    transition: all 0.4s ease;
    -webkit-border-radius: 0 0 0px 0px;
    -moz-border-radius: 0 0 0px 0px;
    -ms-border-radius: 0 0 0px 0px;
    -o-border-radius: 0 0 0px 0px;
}
.product_item .desc{
    height:82px;
    padding:10px 1vw 0;
    box-sizing: border-box;
    overflow:hidden;
}
.product_item .desc p{
    font-size: 16px;
    color:#808080;
    line-height: 1.5;
}
.product_item:hover .tit{
    color:#fff;
    background: rgb(20, 101, 239);
}
.product_item:hover .pic_box img{
    transform: scale(1.1);
}


.news{}
.news ul{
    margin-top: 2.5vw;
}
.news ul li{
    /* float:left;
    width:30%;
    height:14vw; */
    border-radius: 10px;
    /* border:1px solid rgba(20, 101, 239,0.5); */
    padding:1vw 1.5vw;
    box-sizing: border-box;
    transition: all 0.4s ease;
}

/* 基础重置 */
/* * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
  } */
  
  .news_ul{
    width: 100%;
  }
  .news ul li{
    overflow: hidden;
  }
  .news_ul .big_img_item{
    /* width: 700px;
    height: 660px; */
    float:left;
    width:46%;
    height:30vw;
    background-color: #F9F9F9;
    padding: 0px;
    float: left;
    overflow: hidden;
    position: relative;
  }
  .news_ul .big_img_item .imgs{
    /* width: 700px;
    height: 500px; */
    width:100%;
    height:22vw;
    overflow: hidden;
  }
  .news_ul .big_img_item img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s ease;
  }
  /* 图片 鼠标移动上去放大效果 */
  .news_ul .big_img_item img:hover{
    transform: scale(1.1);
  }    
.big_img_item .title{
    font-size: 24px;
    line-height: 1.2;
    color: #000;
    padding: 20px 0px 0px 20px;
    box-sizing: border-box;
}
.big_img_item .desc{
    font-size: 18px;
    line-height: 1.5;
    color: #808080;
    padding: 20px 0px 0px 20px;
    box-sizing: border-box;
}

.big_img_item .more_box{
    height: 0.6vw;
    line-height: 0.6vw;
    margin-top: 0.5vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    position: relative;
}

  .news_ul .small_item{
    float: right;
    width: 46%;
    margin-bottom: 20px;
    box-sizing: border-box;
    background-color: #F9F9F9;
  }


  /* 响应式调整 - 小屏幕下改为上下布局 */
  /* @media (max-width: 992px) {
    .clearfix {
      flex-direction: column;
    }
    
    .big_img_container, .small_items_container {
      width: 100%;
    }
    
    .big_img_container {
      margin-bottom: 20px;
    }
    
    .big_img_item, .small_item {
      height: 200px;
    }
    
    .small_items_container {
      flex-direction: row;
      flex-wrap: wrap;
    }
    
    .small_item {
      width: calc(50% - 10px);
      height: 200px;
      margin-bottom: 10px;
    }
  }
  
  @media (max-width: 576px) {
    .small_item {
      width: 100%;
    }
  } */

/* .news ul li:nth-child(1),.news ul li:nth-child(2),.news ul li:nth-child(3){
    margin-bottom: 2vw;
} */
/* .news ul li:not(:nth-child(3n)){
    margin-right: 5%;
} */

.news ul li .time{
    font-size: 12px;
    color:#000;
    height:1vw;
}
.news ul li .title{
    font-size: 1.2vw;
    color:#000;
    line-height: 1.2;
    height:2.2vw;
    display: flex;
    align-items: center;
}
.news ul li.small_item .more_box{
    /* height:0.6vw;
    line-height: 0.6vw; */
    height:12px;
    line-height: 12px;
    margin-top:0.5vw;
    position: relative;
}
.news ul li.big_img_item .more_box .more_icon{
    position: absolute;
    top:0;
    right:20px;
    height:1vw;
}
.news ul li.small_item .more_box .more_icon{
    position: absolute;
    top:0;
    right:0;
    height:1vw;
}
.news ul li .more_box .more_icon::before{
    content:"";
    width:12px;
    height:1px;
    background: #000;
    position: absolute;
    right:0px;
    /* top:calc(0.5vw - 1px); */
    top:5px;
    transition: all 0.4s ease;
}
.news ul li .more_box .more_icon::after{
    content:"";
    width:4px;
    height:4px;
    border-right: 1px solid #000;
    border-bottom: 1px solid #000;
    transform: rotate(-45deg);
    position: absolute;
    right:0;
    /* top:calc(0.5vw - 2.8px); */
    top:3px;
    transition: all 0.4s ease;
}
.news ul li .more{
    font-size: 12px;
    color:#000;
}
.news ul li:hover{
    /* border:1px solid rgba(20, 101, 239,1); */
    transform: translateY(-3px);
}
.news ul li:hover .time,
.news ul li:hover .title,
.news ul li:hover .more{
    color:rgba(20, 101, 239,1);
}
.news ul li:hover .more_box .more_icon::after{
    border-right: 1px solid rgba(20, 101, 239,1);
    border-bottom: 1px solid rgba(20, 101, 239,1);
}
.news ul li:hover .more_box .more_icon::before{
    background: rgba(20, 101, 239,1);
}

/* 首页领域 */
.ly_box{
  height: auto;
  padding: 80px 0;
  clear: both;
}
.ly_ul_box{
 margin-top: 100px;
}
.ly_ul_box li.ly_card{
    float:left;
    width:calc(25% - 18px);
}
.ly_ul_box li.ly_card:not(:last-child){
    margin-right: 24px;
}
.ly_ul_box li.ly_card .imgs{
    width:100%;
    height:18vw;
    border-radius: 8px;
    overflow: hidden;
}
.ly_ul_box li.ly_card .imgs img{
    width:100%;
    height:100%;
    object-fit: cover;
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -ms-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
}
.ly_ul_box li.ly_card .imgs img:hover{
    transform: scale(1.1);
}

/* 鼠标移动到图片上 慢慢的放大 */

.ly_ul_box li.ly_card .ly_card_tit{
    font-size: 20px;
    color:#39414D;
    line-height: 1.5;
    overflow: hidden;
    font-weight: bold;
    margin-top: 10px;
}
.ly_ul_box li.ly_card:hover .ly_card_tit{
    color:rgb(20, 101, 239);
}
.ly_ul_box li.ly_card .ly_card_desc{
    font-size: 14px;
    color:#808080;
    line-height: 1.5;
    height: 45px;
    width: 85%;
    overflow: hidden;
    margin-top: 10px;
}

.ly_ul_box li.ly_card .ly_card_tit{}


@media (max-width: 1768px){}
@media (max-width: 1680px){
    /* .product_search .select_box select{
        width:calc(100% - 170px);
    }
    .product_search .select_box button{
        width:150px;
        margin-left: 20px;
    } */
    /* .product .select_box::after{
        right:185px;
    } */
}
@media (max-width: 1600px){

}
@media (max-width: 1440px){
    .product_item .desc{
        font-size: 14px;
    }
}