.control-box {
    width: 1320px;
    height: 200px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    background: transparent;
}

.control-box ul {
    list-style: none;
    position: relative;
}

.control-box ul li {
    position: absolute;
    top: 75px;
    cursor: pointer;
}

.prev {
    left: 0;
}

.next {
    right: 0;
}

.bigbox {
    overflow: hidden;
    width: 1316px; /*宽度必须为显示盒子的倍数，不然会除不尽，出现切换到后面一片空白的状况*/
    height: 190px;
    margin: 0 auto;
    margin-top: 30px;
}

#switcher {
    height: 190px;
    left: 0px;
}

.content_1.content_2 {
    width: 100%;
    float: left;
}

.box {
    transition: all .7s ease 0s;
    height: 190px;
    float: left;
    border-radius: 10px;
    border: 1px solid #dddddd;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 5px;
    background: white;
}

.box:hover {
    opacity: 0.5;
}
.box div{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 155px;
}

.box img {
    max-width: 155px;
    max-height: 135px;
}

.box a {
    color: black;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    align-items: center;
}

.box a p {
    margin-bottom: 0;
    line-height: 50px;
    white-space: nowrap;
}

.shadow {
    width: 215px;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.45);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000, endColorstr=#66000000);
    color: white;
    font-size: 14px;
}

.shadow a {
    display: inline-block;
    width: 195px;
    height: 60px;
    color: white;
    text-decoration: none;
    margin: auto;
}

.carousel-caption {
    position: absolute;
    background-color: #555;
    opacity: 0.8;
    z-index: 1;
    width: 215px;
    bottom: 0px;
    padding-top: 0px;
    height: 42px;
    padding-bottom: 0px;
    color: #fff;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}