img {
    width: 100%;
    height: auto;
}
.index_content .w20{margin: 0 0.4rem;}
.index_content .btn {
    display: block;
    width: 68%;
    height: 0.76rem;
    line-height: 0.76rem;
    background: #00a7b0;
    color: #fff;
    font-size: 0.32rem;
    border-radius: 0.4rem;
    text-align: center;
    margin: 5% auto 0;
}

.index_content h2 {
    text-align: center;
    font-size: 0.42rem;
    color: #333;
    line-height: 1.5;
    padding: 10% 0 4%;
    font-weight: normal;
}

.over {
    overflow: hidden;
}

.pb {
    padding-bottom: 6%
}

.subject_activity {
    margin-bottom: 0;
    display: none !important;
}

#call_form, .top_activity, .swt_center {
    display: none !important;
}

.kv {
    position: relative;
    text-align: center;
}
.section2{padding: 3% 0 10%;}
.section3{background:#3b7aec; padding: 1% 0 10%;}
.section3 h2{color:#fff;}
.section3 ul li{width: 32%; float: left; margin-right: 2%; background:#fff; text-align: center;}
.section3 ul li:nth-child(3n){margin-right: 0;}
.section3 ul li p{font-size: 0.23rem; color:#333; line-height: 1.3; padding: 4% 0;}
.section3 ul li p span{display:block; font-size: 0.32rem; color:#3b7aec;}
@-webkit-keyframes showb {
    0%, 100%, 20%, 50%, 80% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    40% {
        -webkit-transform: scale(0.9);
        transform: scale(0.9);
    }
    60% {
        -webkit-transform: scale(0.9);
        transform: scale(0.9);
    }
}