.mb5 {
    margin-bottom: 5px;
}

.mb10 {
    margin-bottom: 10px;
}

.mb15 {
    margin-bottom: 15px;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}



.mainWp .container {
    max-width: 375px;
    text-align: center;
}



.main-content {
    text-align: left;
    margin: 0 auto;
}

.section1 {
    display: inherit;
    position: relative;
    /*
    background-image: url(../images/dianbao/section1Bg.jpg);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center top;
*/
    width: 100%;
    min-height: 486px;
}

.section1D {
    display: none;
}


.section1 .section1Bg {
    position: absolute;
    top: 0px;
    left: 50%;
    margin-left: -172px;
    width: 345px;
    height: auto;
}

.section1 .section1Boy {
    position: absolute;
    top: 250px;
    left: 50%;
    margin-left: -102px;
    width: 224px;

    animation: bounce 1s ease-in-out infinite;
    animation-delay: 1.6s;

}

.section2 {
    display: inherit;
    text-align: center;
}

.section2D {
    display: none;
}

.section2 .section2Title {
    width: 345px;
    height: auto;
    margin-bottom: 10px;
}

.section2 .section2_1,
.section2 .section2_2,
.section2 .section2_3,
.section2 .section2_4 {
    width: 345px;
    height: auto;
    margin-bottom: 15px;
}


.section3 {
    text-align: center;
    display: inherit;
    margin-bottom: 60px;
}

.section3D {
    display: none;
}



.section3 .section3Title {
    width: 203px;
    height: auto;
    margin: 0 auto;
    margin-bottom: 15px;

}

.section3 .boy {
    margin-bottom: 15px;
}






.section4 {
    margin-bottom: 60px;
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
}

.section4 .col-lg-4,
.section4 .col-xs-12 {
    float: none;
}

.section4 a .boy {
    display: none;
}


.section4 .boyM {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    border-radius: 30px;
    background-color: #fff;
    margin-bottom: 30px;
    overflow: hidden;
    cursor: pointer;
}

.section4 .boyM img {
    border-radius: 30px;
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(78, 187, 193, 0.75);
}

.section4 .boyM .moreArea {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background-color: rgba(78, 187, 193, 0.75);
    z-index: 1;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    transition: transform 1s ease, opacity 1s ease;
}

.section4 .boyM.active .moreArea {
    transform: translate(-50%, -50%) scale(5);
    opacity: 1;
}

.section4 .boyM .moreText {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 1.2em;
    font-weight: bold;
    z-index: 2;
    opacity: 0;
    transition: opacity 1s ease;
}

.section4 .boyM.active .moreText {
    opacity: 1;
}