/* banner */
.a_banner {
    margin-top: 72px!important;
    background-size: cover!important;
}

/* fl */
.catalog {
    padding: 0 146px;
    background: #ffffff;
    height: 54px;
    overflow: hidden;
}
.catalog_ul li {
    float: left;
    margin: 0 20px;
}
.catalog_ul li a {
    display: block;
    transition: all 0.5s ease 0s;
    height: 54px;
    line-height: 54px;
    font-size: 16px;
    padding: 0 18px;
    position: relative;
}
.catalog_ul li a:hover, .catalog_ul li a.for {
    color: #0063b2;
    transition: all 0.5s ease 0s;
    font-weight: bold;
}
.catalog_ul li a:after {
    content: '';
    transition: all 0.5s ease 0s;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    background: #0063b2;
    width: 0;
}
.catalog_ul li a:hover:after, .catalog_ul li a.for:after {
    width: 100%;
    transition: all 0.5s ease 0s;
}

.innerball {
    background: url(../images/bj.jpg) center top no-repeat;
    padding: 36px 146px 80px;
}
.begin .innerball {
    padding: 36px 40px 80px;
}
.series_ul {
    padding: 12px 0 48px 0;
}
.series_ul li {
    float: left;
    margin-right: 16px;
}
.series_ul li a {
    display: block;
    width: 188px;
    height: 50px;
    transition: all 0.5s ease 0s;
    line-height: 50px;
    text-align: center;
    font-size: 16px;
    background: #e4e4e4;
}
.series_ul li a:hover, .series_ul li a.on {
    transition: all 0.5s ease 0s;
    color: #fff;
    background: #0063b2;
}
.pro_ul {
    margin-left: -50px;
}
.pro_ul li {
    float: left;
    width: 33.3%;
    padding: 0 0 32px 50px;
    box-sizing: border-box;
}
.pro_ul li a {
    display: block;
    background: #fff;
    box-shadow: 0 0 10px #efeff0;
}
.pro_img {
    width: 100%;
    height: auto;
    display: block;
    overflow: hidden;
}
.pro_img img {
    width: auto;
    height: auto;
    max-width: 100%;
    transition: all 1s ease 0s;
}
.pro_div {
    padding: 0 50px;
}
.pro_tit {
    display: block;
    overflow: hidden;
    transition: all 0.5s ease 0s;
    font-size: 24px;
    font-weight: bold;
    height: 72px;
    line-height: 72px;
}
.pro_zi {
    height: 87px;
    line-height: 29px;
    overflow: hidden;
    font-size: 14px;
    color: #666666;
}
.pro_see {
    height: 66px;
    line-height: 66px;
    overflow: hidden;
    display: block;
    font-size: 14px;
    color: #0063b2;
}