.banner {
    width: 1190px;
    overflow: hidden;
    position: relative;
    left: 50%;
    margin-left: -595px;
    top: 0;
    z-index: 1;
    box-sizing: border-box;
}

.banner ul {
    width: 20000px;
}

.banner ul li {
    float: left;
}

.prev11 {
    color: #e4e3e3;
    transition: all .3s ease-in;
    font-size: 20px;
    width: 44px;
    background: rgba(0, 0, 0, 0.1);
    padding-top: 20px;
    padding-left: 1px;
    box-sizing: border-box;
    cursor: pointer;
    text-align: center;
    height: 70px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.next11 {
    color: #e4e3e3;
    transition: all .3s ease-in;
    font-size: 20px;
    width: 44px;
    background: rgba(0, 0, 0, 0.1);
    padding-top: 20px;
    padding-left: 1px;
    box-sizing: border-box;
    cursor: pointer;
    text-align: center;
    height: 70px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.prev11:hover {
    color: #FFFFFF;
    background: rgba(0, 0, 0, 0.5);
}

.next11:hover {
    color: #FFFFFF;
    background: rgba(0, 0, 0, 0.5);
}

.num {
    position: absolute;
    bottom: 20px;
    left: 50%
}

.num li {
    float: left;
    margin-right: 10px;
    width: 12px;
    cursor: pointer;
    transition: all .3s ease-in;
    height: 12px;
    border-radius: 50%;
    background-color: #FFFFFF;
    box-sizing: border-box;
    border: 4px solid #705629;
}

.num li:hover {
    border: 2px solid #705629;
}

.num .active {
    background-color: transparent;
    border: 2px solid #FFFFFF;
}

.num .active:hover {
    background-color: transparent;
    border: 2px solid #FFFFFF;
}