.breadCrumb {margin-bottom: 15px;}
.newsdetail {
    padding: 32px 26px;
    background: #fff
}

.empty {height: 320px;display: flex;justify-content: center;align-items: center;flex-direction: column;text-align: center;    margin: 0 auto;}
.empty img {width: 160px;}
.empty span {font-size: 14px;color: #909399;}


.banner .title {
    position: absolute;
    left: 50px;
    bottom: 50px
}
.banner .title dt {
    width: 42px;
    height: 17px;
    font-size: 12px;
    color: #a3a3a3;
    line-height: 17px
}

.banner .title dd {
    height: 28px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    line-height: 28px;
    text-align: left
}

.info-list {min-height: 260px;padding: 15px;}
.info-item {display: none;}
.info-item:nth-child(1){display: block;}
.product-wrapper {display:flex;}
.product-wrapper .product-image {    overflow: hidden;    height: 400px;    flex: 1;    background: #fff;    position: relative}
.swiper-slide {text-align:center;}
.product-image img {max-height: 400px;width: auto;margin: 0 auto;}

.product-detail .product-wrapper .feature {
    width: 20%;
    padding: 24px;
    text-align: left;
    background: #f3f8ff;
    border: 1px solid #ddd;
    box-sizing: border-box;
}

.product-detail .product-wrapper .feature :only-of-type {    overflow: hidden}

.product-detail .product-wrapper .feature .title {
    font-size: 18px;
    font-weight: 800;
    color: #333;
    line-height: 20px;
    border-bottom: 2px solid #d5d5d5;
    padding-bottom: 10px
}

.product-detail .product-wrapper .feature .desc {
    padding-top: 12px;
    font-size: 14px;
    font-weight: 400;
    color: #666;
    line-height: 20px
}
.product-detail .product-wrapper .feature .desc * {
    font-size: 14px;
    font-weight: 400;
    color: #666;
    line-height: 20px
}
.product-image .swiper-button-next,.product-image .swiper-button-prev {
    border: none;
    outline: 0;
    padding: 0;
    margin: 0;
    height: 36px;
    width: 36px;
    cursor: pointer;
    transition: .3s;
    border-radius: 50%;
    background-color: rgba(31, 45, 61, .11);
    color: #fff;
    position: absolute;
    top: 50%;
    z-index: 10;
    transform: translateY(-50%);
    text-align: center;
    font-size: 12px;
    display: none;
}
.product-image .swiper-button-next:after,.product-image .swiper-button-prev:after {
    font-size: 12px;
    color: #fff;
}
.product-image:hover .swiper-button-next{
    display: flex;
}
.product-image:hover .swiper-button-prev{
    display: flex;
}
.info-wrapper {
    background: #fff;
    border: 1px solid #dcdfe6;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, .12), 0 0 6px 0 rgba(0, 0, 0, .04);
    margin-top: 20px;
}
.sub-nav {background-color: #f5f7fa;border-bottom: 1px solid #e4e7ed;overflow: hidden;}
.sub-nav span {
    transition: all .3s cubic-bezier(.645,.045,.355,1);
    border: 1px solid transparent;
    margin-top: -1px;
    color: #909399;
    padding: 0 20px;
    height: 40px;
    box-sizing: border-box;
    line-height: 40px;
    display: inline-block;
    list-style: none;
    font-size: 14px;
    font-weight: 500;
    color: #303133;
    position: relative;
    cursor: pointer;
}
.sub-nav span.active {
    color: #409eff;
    background-color: #fff;
    border-right-color: #dcdfe6;
    border-left-color: #dcdfe6;
}
.sub-nav span:hover {
    color: #409eff;
}




.product-detail .info-wrapper .video-list {
    display: flex;
    flex-wrap: wrap
}

.product-detail .info-wrapper .video-list .video-item {
    margin: 10px;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    width: calc(33% - 10px)
}

.product-detail .info-wrapper .video-list .video-item:nth-of-type(3n+0) {
    margin-right: 0
}

.product-detail .info-wrapper .video-list .video-item:nth-of-type(3n+1) {
    margin-left: 0
}

.product-detail .info-wrapper .video-list .video-item img {
    transition: .5s ease;
    height: 100%;
    width: 100%
}

.product-detail .info-wrapper .video-list .video-item>img:hover {
    transform: scale(1.5)
}


.product-detail .info-wrapper .video-list .video-item .info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    line-height: 60px;
    color: #fff;
    text-align: center;
    font-size: 20px;
    background: rgba(0,0,0,.4)
}