.main-container {
    position: relative;
}

.header-bg {
    width: 7.5rem;
    height: 4.10rem;
    position: absolute;
}

.header-bg img {
    display: block;
    width: 100%;
}

.guide-menus {
    height: 1rem;
    display: flex;
    display: -webkit-flex;
    align-items: flex-end;
    justify-content: space-around;

    margin-bottom: .10rem;
}

.guide-menus .menu {
    display: block;
    font-size: .32rem;
    color: #ffffff;
}


.guide-menus .menu .active-bar {
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    display: none;
}

.guide-menus .menu .title {
    margin-bottom: .10rem;
}



.guide-menus .menu.active .active-bar {
    display: block;
}

.banner {
    width: 7.0rem;
    height: 3rem;
    margin: 0 auto;
}

.banner img {
    display: block;
    width: 100%;
}

.play_video_btn:before {
    position: absolute;
    top: 50%;
    transform: translate(-50%,-50%);
    left: 50%;
    color: #fff;
    /*flex: auto;*/
    display: block;
    width: 0.8rem;
    height: 0.8rem;
    content:" ";
    background-image: url('../../img/video_play_white.png') ;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-background-size: 0.8rem;
    background-size: 0.8rem;
}