.main {
    float: left;
    width: 348px;
    height: 300px;
    margin-left: 3px;
    margin-top: 12px;
}

.focus {
    position: relative;
    width: 368px;
    height: 300px;
    /* background-color: purple; */
    overflow: hidden;
}

.focus ul {
    position: absolute;
    top: 0;
    left: 0;
    width: 600%;
}

.focus ul li {
    float: left;
}

.circle {
    position: absolute;
    bottom: 10px;
    margin-left: 50px;
}

.circle li {
    float: left;
    width: 10px;
    height: 10px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    margin: 0 3px;
    border-radius: 50%;
    /* 鼠标经过显示小手 */
    cursor: pointer;
    list-style: none;
}

.current {
    background-color: #fff;
}