.slider_box {
    width: 700px;
    height: 300px;
}
.slider_panel{ 
    width: 700px;
    height: 300px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
.slider_panel_item {
    -webkit-box-flex: 2;
        -ms-flex: 2;
            flex: 2;
}
.slider_panel img {
    width: 100%;
    height: 100%;
}
.slider_intro {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    position: static;
    padding-top: 0;
    width: unset;
    height: unset;
    overflow: auto;
}
.slider_intro_content {
    line-height: 19px;
}
.slider_nav,.slider_nav_mask {
    display:none;
}

.slider_box a.prev, .slider_box a.next {
    margin-top: 110px;
}

@media (max-width: 760px), (max-device-width: 1024px) and (min-device-width: 768px) {
    .slider_box,.slider_panel {
        width: 300px;
        display:block;
    }
    .slider_panel img {
        height: 150px;
    }
}