#product-model {
    width: 100%;
    height: 1055px;
    background: url('../img2/model_bg.png');
    background-size: 100% 100%;
    position: relative;
}

.mask {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 5;
    display: none;
}

.mask .mask-wrapper {
    width: 960px;
    height: 496px;
    position: fixed;
}
.mask .mask-wrapper .video-wrapper{
    width: 100%;
    height: 100%;
    position: relative;
}
.mask .mask-wrapper .video-wrapper .video-img-wrapper img {
    width: 960px;
    height: 496x;
    cursor: pointer;
}

.mask .mask-wrapper .video-wrapper .video-close-img {
    width: 45px;
    height: 45px;
    position: absolute;
    top: -90px;
    right: -90px;
    cursor: pointer;
}

.watch-video-wrapper {
    width: 280px;
    height: 110px;
    position: absolute;
    top: 580px;
    left: 460px;
    z-index: 4;
}

.watch-video-wrapper .watch-text {
    width: 150px;
    height: 30px;
    font-size: 30px;
    color: #FFF;
    overflow: hidden;
}

.watch-video-wrapper .watch-btn {
    width: 130px;
    height: 44px;
    line-height: 44px;
    color: #FF9934;
    background: #FFFFFF;
    border-radius: 22px;
    text-align: center;
    cursor: pointer;
    margin: 35px auto 0;
}

.watch-video-wrapper .watch-btn:hover {
    background: #FF9934;
    color: #FFF;
}

.prodect-model-wrapper {
    width: 1200px;
    height: 1055px;
    margin: 0 auto;
    position: relative;
}

.prodect-model-wrapper .product-model-img {
    width: 1000px;
    height: 758px;
    margin: 0 auto;
    position: absolute;
    bottom: 110px;
    left: 100px;
    z-index: 3
}

.prodect-model-wrapper .product-model-img img {
    display: none
}

.prodect-model-wrapper .product-model-img .show-model {
    display: block;
}

.prodect-model-wrapper .operate-wrapper {
    width: 722px;
    height: 237px;
    background: url('../img2/line.png');
    background-size: 100% 100%;
    position: absolute;
    bottom: 90px;
    left: 239px;
}

.arrow-wrapper {
    height: 50px;
    position: relative;
    top: 94px;
}

.arrow-wrapper .left-arrow {
    position: absolute;
    left: -25px;
    bottom: 0;
    z-index: 4
}

.arrow-wrapper .left-arrow img {
    cursor: pointer;
}

.arrow-wrapper .right-arrow {
    position: absolute;
    right: -25px;
    bottom: 0;
    z-index: 4
}

.arrow-wrapper .right-arrow img {
    cursor: pointer;
}

.product-list {
    width: 1200px;
    height: 720px;
    margin: 0 auto;
}

.product-list .left-title-list {
    float: left;
    width: 152px;
    height: 550px;
    position: relative;
}

.product-list .left-title-list .title-list-wrapper {
    width: 100%;
    position: absolute;
    bottom: 20px;
    left: 0;
    color: #303036;
}

.product-list .left-title-list li {
    height: 60px;
    line-height: 60px;
    text-align: center;
}

.product-list .right-model-list {
    float: left;
}

.product-list .right-model-list .model-item {
    float: left;
    width: 260px;
    height: 550px;
    border: 1px solid transparent;
    position: relative;
}

.product-list .right-model-list .model-active {
    border: 1px solid #ffbc46;
}

.product-list .right-model-list .model-item:hover {
    border: 1px solid #ffbc46;
}

.product-list .right-model-list .model-item:hover .model-text {
    font-weight: 600;
    color: #FFF;
}

.product-list .right-model-list .model-item .model-text {
    width: 100%;
    font-size: 20px;
    color: #A5A7B0;
    text-align: center;
    position: absolute;
    top: -40px;
    left: 0;
}

.product-list .right-model-list .model-item .model-text-active {
    font-weight: 600;
    color: #FFF;
}

.product-list .right-model-list .model-item .model-img-wrapper {
    text-align: center;
    margin-top: 20px;
}

.product-list .right-model-list .model-item .title-list-wrapper {
    width: 100%;
    position: absolute;
    bottom: 20px;
    left: 0;
    color: #303036;
}

.product-list .right-model-list .model-item .title-list-wrapper li {
    height: 60px;
    line-height: 60px;
    text-align: center;
}