@charset 'UTF-8';
.box_top_bnr {
    height: 290px;
    padding: 5px;
    background-color: #333;
    overflow: hidden;
    box-sizing: border-box;
}
.box_top_bnr .main_view,
.box_top_bnr .sub_thumb {
    height: 280px;
    overflow: hidden;
}
.box_top_bnr .main_view {
    float: left;
    width: 635px;
}
.box_top_bnr .sub_thumb {
    position: relative;
    float: right;
    width: 150px;
}
.box_top_bnr .elm {
    text-align: center;
    background-color: #555;
    overflow: hidden;
}
.box_top_bnr .banner {
    max-width: 100%;
    max-height: 100%;
}
.box_top_bnr .sub_thumb .elm:not(:first-child) {
    margin-top: 5px;
}
.box_top_bnr .sub_thumb .elm {
    height: 66px;
    opacity: 0.5;
    transition: opacity 0.2s linear;
}
.box_top_bnr .sub_thumb .banner {
    cursor: pointer;
}
.box_top_bnr .sub_thumb .elm.active,
.box_top_bnr .sub_thumb .elm:hover {
    opacity: 1;
}
.box_top_bnr .btn_nav {
    position: absolute;
    right: 0;
    left: 0;
    z-index: 1000;
    width: 32px;
    height: 18px;
    font-size: 10px;
    line-height: 18px;
    color: #fff;
    text-align: center;
    margin: auto;
    background-color: #333;
    cursor: pointer;
    outline: none;
}
.box_top_bnr .btn_nav.prev {
    top: -5px;
    border-radius: 0 0 30px 30px;
}
.box_top_bnr .btn_nav.next {
    bottom: -5px;
    border-radius: 30px 30px 0 0;
}
/* swiper */
.js_swiper_top_bnr_sub {
    position: absolute;
    width: 100%;
    transition: transform 0.3s ease;
}