.floor-title{margin-top:6rem;text-align: center;font-size: 2.6rem;}
.floor-sub-title{margin-top:.4rem;font-size: 1.6rem;color: #e0e0e0;text-align: center;}
.floor-img-main-box{max-width:120rem;margin:4rem auto 3rem;}
.left-box{padding:0 2rem 0 1.5%;width:50%;}
.right-box{padding:0 1.5% 0 2rem;width:50%;}
.floor-img-list-box{margin-bottom: 3rem;}
.floor-img-box{overflow:hidden;}
.floor-img-box img{transition: all .3s linear;}
.floor-img-box img:hover{transform: scale(1.2);}
.floor-img-text-box{position: relative;}
.floor-img-text{font-size: 2.4rem;color:#3f3a39;font-weight: 500;margin-top: 4.5rem;}
.floor-img-icon{position: absolute;left:4rem;top:-6.5rem;width:.4rem;height: 5.4rem;background-color: #3f3a39;}
.floor-img-nav{position: absolute;right: 0;bottom: 0;display: block;color: #646160;font-size: 1.6rem;transition: all .4s linear;}
.floor-img-nav:hover{color: #111;}
.floor-video-box{overflow: hidden;cursor: pointer;}
.floor-video-box img{transition: all .4s linear;width:100%;} 
.floor-video-box img:hover{transform: scale(1.2);} 


.floor-group-img-main-box{max-width: 120rem;margin:0 auto;}
.floor-list-group-box{width:33.3%;padding:0 1.5%;display: block;margin-top: 4rem;text-align: center;}
.floor-group-box{overflow: hidden;}
.floor-group-box img{transition: all .4s linear;}
.floor-group-box img:hover{transform: scale(1.2);}
.floor-group-title{font-size: 2rem;color: #3f3a39;margin-top:2rem;}
.floor-group-sub-title{font-size: 1.4rem;color: #646160;margin-top: 1rem;display: block;}
.floor-group-sub-title:hover{color:#111;}
.empower-img{padding-left:11%;margin:4rem 0 3rem;}

.video-mtk-box{display: none;background: rgba(0,0,0,.9);position: fixed;width: 100%;height: 100%;left: 0;top: 0;z-index: 2;}
.mtk-video{display: block;max-width: 100%;position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);z-index: 3;}