#sec1 .sec1_slide .img1{background: url(../img/sub2/7/image1.jpg)no-repeat 50% 50%;background-size: cover;}
#sec1 .sec1_slide .img2{background: url(../img/sub2/7/image2.jpg)no-repeat 50% 50%;background-size: cover;}
#sec1 .sec1_slide .img3{background: url(../img/sub2/7/image3.jpg)no-repeat 50% 50%;background-size: cover;}
#sec1 .sec1_slide .img4{background: url(../img/sub2/7/image4.jpg)no-repeat 50% 50%;background-size: cover;}
#sec1 .sec1_slide .img5{background: url(../img/sub2/7/image5.jpg)no-repeat 50% 50%;background-size: cover;}
#sec1 .sec1_slide .img6{background: url(../img/sub2/7/image6.jpg)no-repeat 50% 50%;background-size: cover;}
#sec1 .sec1_slide .img7{background: url(../img/sub2/7/image7.jpg)no-repeat 50% 50%;background-size: cover;}

#sec2 .sec2_in .room_box .room_img{flex: 3;height:540px;border-radius: 5px;box-sizing: border-box;background: url(../img/sub2/7/image4.jpg)no-repeat 50% 50%;background-size: cover;}