.menutitlediv {
    height: 55px;
    width: 100%;
    background: #1e94de;
    text-align: center;
    position:relative;

}
.menuclass {
    width: 80%;
    margin: 0 auto;
    height: 100%;
}
.menutitlebgcolor {
    background-color:#007fcd;
}

.menutitle {
    display: inline-block;
    width: 10%;
    height: 100%;
    line-height: 55px;
    text-align: center;
}
    .menutitle a {
        color: #fff;
        /*font-family: '微软雅黑','Microsoft YaHei';*/
        font-size: 16px;
        display: block;
        width: 100%;
        height: 100%;
    }
.linediv {
    width: 1px;
    height: 10vh; 
    margin-top: 3vh;
    float: right;
    background: #bbbbbb;
}






.t_sypt1 {
    position: relative;
    z-index: 2;
}

.std_margin1 {
  position:absolute;
  bottom:-7vh; 
  left:25vw;
}

.ys_cont1440 {
    width: 50vw; 
    margin: 0 auto;
    max-width: 100%;
}
.d_b1head {
    background: #0041d7
}

.d_b1head {
    z-index: 3;
    position: relative;
    background: #0041d7;
    box-shadow: 0px 2px 16px rgb(15 42 54 / 10%), 0px 4px 50px rgb(15 42 54 / 10%);
    backdrop-filter: blur(32px);
    border-radius: 8px;
}
.ys_fadeup1 {
    animation: ysfadeInUp .5s ease-in-out both;
    animation-delay: .1s;
}

.t_sypt5ul, .d_b1headul, .t_b2pt3ul {
    display: flex;
    justify-content: space-evenly;
}

.clearfix {
    zoom: 1;
}
li, ol, ul {
    margin: 0;
    list-style-type: none;
}

.clearfix:before {
    display: table;
    content: " ";
}
.clearfix::after {
    display: block;
    clear: both;
    height: 0;
    content: ' ';
}

.d_b1headli {
    width: 25%; 
    text-align: center;
    transition: all 0.36s;
}

.fl {
    float: left;
    height:14vh;
}

.d_b1headli a {
    display: block;
    height: 100%;
}

.d_b1headli a {
    display: block; 
}
.d_b1headimg {
    margin: auto; 
    width: 30%;
    float: left;
    margin-top: 4vh;
    text-align:right;
}
.d_b1headcontent {
    margin: auto;
    width: 80%;
    float: left;
    margin-top: 3vh;
    text-align: left;
    padding-left: 8%;
}

.d_b1headtitle {
    margin-bottom: 5px;
    transition: all 0.36s;
    line-height: 45px;
}

    .d_b1headfont, .d_b1headtitle .std_title4 {
        transition: all 0.36s;
    }

.std_title4, .yxedr_active h4 {
    font-size: 35px;
    font-weight: bolder;
    color: white;
    font-family: 'alibbphbolder';
}

.std_word1, .std_word1 p, .yxedr_active p {
    color: white;
    font-size: 16px;
    line-height: 1.6;
}
  .d_b1headli:hover {
    background: #0041d7;
}



.productbottomdiv {
   padding-top:80px;
    width: 100%;
    top: 100px;
    color: white;
    font-size: 30px;
}

.productbottomhzzx {
    width: 30%;  
    text-align:center;
    display:flex;
    margin:auto;
}

.productbottomhzzxbtn {
  
}


.productbottomhzzxbtn img{
    width: 75%;
}