/* 顶部logo开始 */
.logo {
    height: 103px;
    line-height: 124px;
}

/* 顶部logo结束 */

/* 顶部导航栏1开始 */
.top-nav1 {
    height: 48px;
    background-color: #2babe8;
}

.top-nav1 a {
    float: left;
    width: 124px;
    height: 48px;
    color: #fff;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    line-height: 48px;
}

.top-nav1 a:hover {
    background-color: #48cbff;
}

.top-nav1 .default {
    background-color: #48cbff;
}

.top-nav1 a:last-child {
    float: right;
    width: 150px;
    font-weight: 400;
}

/* 顶部导航栏1结束 */

/* 顶部导航栏2开始 */
.top-nav2 {
    height: 52px;
    background-color: #fff;
    border-bottom: 2px solid #f0f0f0;
}

.top-nav2 a {
    float: left;
    width: 124px;
    height: 22px;
    color: #777;
    font-size: 16px;
    text-align: center;
    line-height: 22px;
    margin-top: calc((52px - 22px) / 2);
}

.top-nav2 .second {
    display: inline-block;
    border-left: 1px solid #eaeaea;
    border-right: 1px solid #eaeaea;
}

.top-nav2 a:last-child {
    color: #2babe8;
    font-weight: 700;
}

.top-nav2 a:hover {
    color: #2babe8;
}

/* 顶部导航栏2结束 */

/* 中心内容开始 */
.central-content {
    position: relative;
    height: 870px;
    background-color: #f6f6f6;
    overflow: hidden;
}

.central-content span {
    display: block;
    color: #999;
    font-size: 16px;
    margin-top: 42px;
    margin-bottom: 46px;
}

.central-content div {
    width: 1000px;
    height: 310px;
}

.central-content div a {
    display: inline-block;
    width: 154px;
    height: 67px;
    font-size: 16px;
    text-align: center;
    line-height: 67px;
    background-color: #fff;
    margin-bottom: 14px;
    margin-right: 11px;
}

.central-content div a:nth-child(6),
.central-content div a:nth-child(12),
.central-content div a:nth-child(18) {
    margin-right: 0;
}

.central-content div a:hover {
    color: #2babe8;
    font-weight: 700;
}

.central-content p {
    position: absolute;
    bottom: 75px;
    left: calc((1519.2px - 453px) / 2);
    color: #999;
}

/* 中心内容结束 */