html, body {
        background: #fff; 
}
.swiper-container {
        height: 10rem;

}
.swiper-pagination-bullet-active {
        background: #00b095!important;
}
.video-first {
  width:100%
}
.swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction{
        bottom: 20px!important;
}
.title-itd {
    position: fixed;
    top: 10rem;
    width: 100%;
    height: 3rem; 
    background: #fff;
     z-index: 1000;  
}
.title-itd  span {
        float: left;
        width: 50%;
        height: 3rem;
        font-size: 1.2rem;
        color: #c9c9c9;
        text-align: center;
        line-height: 3rem;
        border-bottom: 4px solid rgba(0, 176, 149, 0.58); ;

}
.position-itd {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    height: 10rem;
    z-index: 1000;
}
.wrap-itd {
    margin-top: 15rem; 
}

.title-itd .an {
        color: #00b095;
        border-bottom: 4px solid #00b095;
}
.itd-main {
        display: none;
}
.itd-main .itd-model {
        position: relative;
        float: left;
        width: 50%;
}
.itd-main .itd-model:after {
        content: "";
        position: absolute;
        width: 60%;
        height: 53%;
        top: 2rem;
        left: 20%;
        background:  url("../images/play11.png") center center no-repeat;
        background-size: 3rem; 
        z-index: 100;
}
.itd-main .itd-model img {
        display: block;
        margin: 2rem auto 1rem;
        width: 60%;
}
.itd-main .itd-model ul {
        width: 80%;
        margin: 0 auto;`
}
.itd-main .itd-model ul li {
       
        white-space: nowrap;  
        overflow: hidden;  
        text-overflow: ellipsis; 
}
.itd-main  .itd-model ul li:nth-child(2){

        font-size: 0.8rem;
        color: #c9c9c9;
}
.itd-main.on {
        display: block;
}
.etails {
        font-size: 1.2rem;
        display: block;
        width: 90%;
        margin: 0.5rem auto;
        color: #00b095;
}
.etails-ul {
       width: 90%;
        margin: 0.5rem auto;  
}
.etails-ul li  {
        color: #c9c9c9;
}
.etails-ul li span {
        color: #000;
}
.etails-ul li:nth-child(1) {
        margin: 1rem 0;
}