ul,ol {
    list-style: none;
}

.slider {
    position: relative;
    height: 300px;
    width: 100%;
    overflow: hidden;
}

.slider ul {
    position: relative;
    width: 3000px;
    height: 100%;
    margin: 0;
    padding: 0
}

.slider ul li {
    float: left;
    width: 540px;
    height: 100%;
    position: relative
}

.slider ul li img {
    width: 100%;
    height: 100%;
}

.slider ul li .title {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 40px;
    line-height: 40px;
    overflow: hidden;
    padding-left: 10px;
    background-color: rgba(5,5,5,0.5);
    color: white;
    box-sizing: border-box;
}

.slider .nav {
    text-align: center;
    position: absolute;
    right: 10px;
    bottom: 10px;
    font-size: 12px;
    line-height: 18px;
}

.slider .nav span {
    -webkit-user-select: none;
    user-select: none;
    float: left;
    cursor: pointer;
    border-radius: 9px;
    display: inline-block;
    width: 18px;
    height: 18px;
    background: rgba(0,0,0,0.7);
    margin-left: 2px;
    color: #fff;
    opacity: 0.5;
}

.slider .nav span.active {
    opacity: 1;
}<!--ecms sync check [sync_thread_id="3bcee7cc5a424330844ab778a62d31c1" sync_date="2021-12-15 22:44:11" check_sum="3bcee7cc5a424330844ab778a62d31c1]-->