.jo_con .con .tab .top{
    padding: 1.07vw 2.375vw;
    display: flex;
    justify-content: space-between;
    line-height: 24px;
    color: #FFFFFF;
    font-family: hb;
    background: url(../img/tab_bj.jpg);
    background-size: 100% 100%;
    margin-bottom: 1.4vw;
}
.jo_con .con .tab .top .li:first-child {
    width: 25%;
}
.f_18 {
    font-size: 18px;
}
.jo_con .con .tab .list .li {
    margin-bottom: 1.3vw;
}
.jo_con .con .tab .list .li.on {
    border: 1px solid #EAEDF0;
    box-shadow: 0 0 3px 0 #ccc;
}
.jo_con .con .tab .list .li .name {
    padding:1.07vw 2.375vw;
    background-color: #717171;
    color: #fff;
    display: flex;
    justify-content: space-between;
}
.jo_con .con .tab .list .li .name .h:first-child {
    width: 26%;
}
.more{height: 1%;}
.more:hover{
    background: #DF1523;
}
.box{font-weight: 400;line-height: 30px;}
.f_16 {
    font-size: 16px;
}
.jo_con .con .tab .list .li .name .h1 {
    cursor: pointer;
    transition: all 0.5s;
}
.jo_con .con .tab .list .li .con1{
    padding: 3.645vw 1.375vw;
    display: flex;
    justify-content: space-between;
}
.f_16 {
    font-size: 16px;
}
.jo_con .con .tab .list .li .con1s {
    display: none;
}
.jo_con .jo3 {
    padding: 8vw 0 21.875vw 0;
    /*background: url(https://www.leadlaser.cn/static/img/jo3_bj.png) no-repeat center bottom;*/
    background-size: 100% auto;
    position: relative;
    z-index: 2;
}
.jo_con .jo3 .tit {
    text-align: center;
}
.jo_con .jo3 .tit .cn {
    font-family: hb;
    line-height: 56px;
    color: #333333;
}
.f_42 {
    font-size: 42px;
}
.jo_con .jo3 .tit .solid {
    position: relative;
    width: 160px;
    height: 1px;
    margin: 10px auto;
    margin-top: 14px;
    background-color: rgba(15, 85, 214, 0.35);
}
.jo_con .jo3 .tit .solid:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 4px;
    /*background: url(https://www.leadlaser.cn/static/img/tit_solid.png);*/
    background-size: 100% 100%;
}
.jo_con .jo3 .tit .en {
    font-family: cg;
    color: #B4B4B4;
    line-height: 24px;
    margin-bottom: 3.8vw;
    text-transform: uppercase;
}
.jo_con .jo3 .btn_cs {
    margin: 0 auto;
}
.btn_cs1 {
    border-color: rgba(15, 85, 214, 0.3);
}
.btn_cs {
    position: relative;
    width: 188px;
    height: 50px;
    display: flex;
    justify-content: center;
    line-height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    z-index: 2;
}
.f_16 {
    font-size: 16px;
}
.btn_cs span:nth-child(1) {
    position: absolute;
    top: -1px;
    left: -1px;
    height: calc(100% + 2px);
    overflow: hidden;
}
.btn_cs span {
    width: 10%;
    transition: all 0.5s;
}
.btn_cs span:nth-child(2) {
    position: absolute;
    top: -1px;
    right: -1px;
    height: calc(100% + 2px);
    overflow: hidden;
}
.btn_cs span:nth-child(1):after {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 188px;
    height: 50px;
    border-radius: 25px;
    /*background: url(https://www.leadlaser.cn/static/img/1x/quan1.png);*/
    background-size: 100% 100%;
}
.btn_cs span:nth-child(2):after {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    width: 188px;
    height: 50px;
    /*background: url(https://www.leadlaser.cn/static/img/1x/quan1.png);*/
    background-size: 100% 100%;
    border-radius: 25px;
}
.btn_cs1>div {
    color: #0F55D6;
    /*background-image: url(https://www.leadlaser.cn/static/img/more_l.png);*/
}
.btn_cs>div {
    padding-right: 24px;
    /*background: url(https://www.leadlaser.cn/static/img/more.png) no-repeat right center;*/
    transition: all 0.5s;
}
.btn_cs:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 25px;
    /*background: url(https://www.leadlaser.cn/static/img/1x/yuan1.png);*/
    background-size: 100% 100%;
    z-index: -1;
    opacity: 0;
    transition: all 0.5s 0.2s;
}
.jo_con .jo3 .p_txt {
    position: absolute;
    top: 28vh;
    left: 50%;
    margin-left: -23.255vw;
    z-index: -1;
    width: 46.51vw;
    transition: all 0.1s;
    max-width: 893px;
}
.list_about_four{padding: 6.25rem 0 0;}
.list_about_four .container{margin-bottom: 2%;}
@media screen and (max-width: 1024px) {
    .f_18 {
        font-size: 14px;
    }
    .f_16 {
        font-size: 12px;
    }
    .jo_con .con .tab .list .li .name .h1{
        margin-bottom: 0;
        line-height: 26px;
    }
    .jo_con .con .tab .list .li .con1 {
        display: block;
    }
}