.box {
            position: relative;
            width: 100%;
            height: 100%;
            margin: 0px auto;
            background-color: #fff;
            overflow: hidden;
        }
        
        /*.arrow_l,
        .arrow_r {
            display: none;
            width: 45px;
            height: 80px;
            text-align: center;
            line-height: 80px;
            text-decoration: none;
            font-size: 30px;
            color: black;
            background-color: rgba(0, 0, 0, .4);
            opacity: 0.5;
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1;
        }
        
        .arrow_l {
            left: 0;
        }
        
        .arrow_r {
            right: 0;
        }*/
        
        ol {
            position: absolute;
            bottom: 57px;
            left: 50%;
            margin-left: -219px;
            width: 440px;
            height: 6px;
        }
        
        ol li {
            float: left;
            width: 126px;
            height: 6px;
            background-color: #fff;
            margin-right:30px;
            border-radius: 100px 100px 100px 100px;
            cursor: pointer;
        }
        ol li:last-of-type{margin-right: 0;}
        ul.img {
            width: 100%;
           
        }
        
        ul.img li {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height:100%;
            opacity: 0;
            transition: all 0.6s;
        }
        
        ul.img li img {
            width: 100%;
            height: 100%;
            object-fit:cover;
        }
        
        ul.img .active {
            opacity: 1;
        }
        
        .current {
            background-color: #1E5294;
        }