.box-2019 {
    position: relative;
    max-height: 400px;
    overflow: hidden;
}

.box-2019 .pro-2019 {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    top: 0;
    left: 0;
    font-size: 0;
}

.box-2019 .playbox {
    display: flex;
}

.teni-tec .col-sm-6 {
    margin-bottom: 20px;
}

.teni-tec .col-sm-6 .summary {
    margin-top: 5px;
}

.teni-tec img {
    max-width: 110px;
    float: left;
    margin-right: 20px;
}

.bg-ffffff80 {
    background: #f5f5f5;
    border-radius: 5px;
}

.teni-tec .bg-ffffff80 {
    padding: 10px;
}

.teni-tec h4 {
    margin-top: 0;
}

.teni-tec .summary {
    line-height: 1.4;
}

.expand-more a {
    color: #c62922;
}

.md-container {
    max-width: 1200px;
}

.pointbox {
    position: relative;
    display: inline-block;
}


.pointbox .pointa,
.pointa2 {
    position: absolute;
    display: inline-block;

    opacity: 0;
}

.pointbox .pointimg {
    max-width: 100%;
}

.expand-more a {
    margin-top: 31px;
    display: inline-block;
}

.platform-item{
    border:1px solid #dddddd;
    padding: 40px 30px;
}

.about_index {
    height: 200px;
}
.carousel {
    position: relative;
    height: 312px;
    margin-bottom: 20px;
}
.video_box2 {
    width: 100%;
    position: absolute;
    z-index: 99;
    overflow: hidden;
    top: 50%;
    transform: translateY(-50%);
}
.video_box_big{
    width: 80%;
    margin: 0 auto;
}
.platform-2 .platform-2img img{
    width: 600px;
    margin: 0 auto;
    display: block;
    margin-bottom: 30px;
}
.platform-2 p{
    font-size: 15px;
}
.platform-2 h4{
    font-size: 20px;
    font-weight: bold;
}
.platform-2 h5{
    font-size: 18px;

}
.online-cont img{
    max-width: 850px;
}
@media (max-width:767px) {
    .online-cont img{
        max-width: 100%;
    }
    .video_box_big{
        width: 100%;

    }
    .platform-item{
        margin-bottom: 30px;
    }
    .carousel{
        height: 220px;
    }
    .about_index {
        height: 160px;
    }
    .video_box {
        margin-top: 30px;
    }
    .video-content p{
        font-size: 16px!important;
        margin: 20px 0 30px ;
    }
    .defense p{
        font-size: 14px;
    }
}

@media (max-width:991px) {}

@media (min-width:992px) {
    .about_index p {
        margin-bottom: 20px;
    }

    .pointbox .pointimg {
        width: 900px;
        height: auto;
    }

    .pointbox .pointa {
        width: 98px;
        height: 310px;
    }

    .pointbox .pointa.p1 {
        left: 215px;
        top: 118px;
    }

    .pointbox .pointa.p2 {
        left: 394px;
        top: 118px;
    }

    .pointbox .pointa.p3 {
        left: 572px;
        top: 118px;
    }

    .pointbox .pointa.p4 {
        width: 646px;
        height: 61px;
        left: 120px;
        top: 433px;
    }

    .pointbox .pointa.p5 {
        width: 761px;
        height: 61px;
        left: 61px;
        top: 501px;
    }

    .pointbox .pointa2 {
        line-height: 20px;
    }

    .pointbox .s1 {
        left: 380px;
        top: 94px;
    }

    .pointbox .s2 {
        left: 380px;
        top: 116px;
    }

    .pointbox .s3 {
        left: 380px;
        top: 138px;
    }

    .pointbox .s4 {
        left: 35px;
        top: 265px;
    }

    .pointbox .s5 {
        left: 35px;
        top: 286px;
    }

    .pointbox .s6 {
        left: 377px;
        top: 208px;
        height: 49px;
        width: 153px;
    }

    .pointbox .s7 {
        left: 123px;
        top: 349px;
    }

    .pointbox .s8 {
        left: 123px;
        top: 370px;
    }

    .pointbox .s9 {
        left: 123px;
        top: 391px;
    }

    .pointbox .s10 {
        left: 123px;
        top: 412px;
    }

    .pointbox .s11 {
        left: 141px;
        top: 485px;
    }

    .pointbox .s12 {
        left: 680px;
        top: 264px;
    }

    .pointbox .s13 {
        left: 680px;
        top: 286px;
    }

    .pointbox .s14 {
        left: 499px;
        top: 408px;
    }

    .pointbox .s15 {
        left: 499px;
        top: 429px;
    }

    .pointbox .s101 {
        left: 374px;
        top: 60px;
        font-size: 18px;
    }

    .pointbox .s201 {
        left: 14px;
        top: 209px;
        font-size: 18px;
    }

    .pointbox .s301 {
        left: 107px;
        top: 324px;
        font-size: 18px;
    }

    .pointbox .s401 {
        left: 480px;
        top: 384px;
        font-size: 18px;
    }

    .pointbox .s501 {
        left: 660px;
        top: 241px;
        font-size: 18px;
    }
}

@media (min-width:1600px) {
    .about_index p {
        margin-bottom: 24px;
    }

    .pointbox .pointimg {
        width: 1000px;
    }

    .pointbox .pointa {
        width: 106px;
        height: 341px;
    }

    .pointbox .pointa.p1 {
        left: 240px;
        top: 132px;
    }

    .pointbox .pointa.p2 {
        left: 439px;
        top: 132px;
    }

    .pointbox .pointa.p3 {
        left: 637px;
        top: 132px;
    }

    .pointbox .pointa.p4 {
        left: 134px;
        top: 482px;
        width: 715px;
        height: 67px;
    }

    .pointbox .pointa.p5 {
        left: 70px;
        top: 554px;
        width: 844px;
        height: 70px;
    }

    .pointbox .pointa2 {
        padding-right: 10px;
        line-height: 20px;
    }

    .pointbox .s1 {
        left: 423px;
        top: 105px;
    }

    .pointbox .s2 {
        left: 423px;
        top: 128px;
    }

    .pointbox .s3 {
        left: 423px;
        top: 155px;
    }

    .pointbox .s4 {
        left: 42px;
        top: 227px;
    }

    .pointbox .s5 {
        left: 42px;
        top: 245px;
    }

    .pointbox .s6 {
        left: 425px;
        top: 234px;
    }

    .pointbox .s7 {
        left: 141px;
        top: 386px;
    }

    .pointbox .s8 {
        left: 141px;
        top: 412px;
    }

    .pointbox .s9 {
        left: 141px;
        top: 437px;
    }

    .pointbox .s10 {
        left: 141px;
        top: 460px;
    }

    .pointbox .s11 {
        left: 141px;
        top: 485px;
    }

    .pointbox .s12 {
        left: 756px;
        top: 293px;
    }

    .pointbox .s13 {
        left: 756px;
        top: 318px;
    }

    .pointbox .s14 {
        left: 550px;
        top: 455px;
    }

    .pointbox .s15 {
        left: 550px;
        top: 481px;
    }

    .pointbox .s101 {
        left: 412px;
        top: 75px;
        font-size: 20px;
    }

    .pointbox .s201 {
        left: 14px;
        top: 270px;
        font-size: 20px;
    }

    .pointbox .s301 {
        left: 115px;
        top: 363px;
        font-size: 20px;
    }

    .pointbox .s401 {
        left: 529px;
        top: 429px;
        font-size: 20px;
    }

    .pointbox .s501 {
        left: 732px;
        top: 269px;
        font-size: 20px;
    }
}

.index_title {
    margin-bottom: 60px;
}

.order {
    order: 1;
}

.about_index a {}

.f5f5f5 {
    padding: 1px 0;
}

.container>.index_title h2 a {
    position: relative;
}