.page-im-index div {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.page-im-index {
    background: #fff;
    position: relative;
}

.im-box {
    position: relative;
    z-index: 2;
    padding-top: 90px;
}

.m-warp {
    width: 1200px;
    margin: 0 auto;
}

.im-banner {
    height: 430px;
    background: url(../images/im_social/im_banner.jpg) no-repeat center top;
    margin: 0 auto;
    min-width: 1200px;
    display: block;
}


/* .im-banner img {
  display: block;
  width: 100%;
} */

.title-box {
    font-size: 35px;
    line-height: 37px;
    font-weight: bold;
    color: #434343;
    text-align: center;
}

.title-box .line-box {
    width: 60px;
    height: 8px;
    background: url(../images/im_social/im_titie_line.png) no-repeat center;
    margin: 17px auto 0;
}

.lr-ctruct {
    display: inline-block
}

.func-box {
    padding-bottom: 124px;
}

.func-con {
    padding-top: 54px;
    font-size: 0;
}

.func-box .pic-box {
    width: 727px;
    height: 470px;
    vertical-align: bottom;
}

.func-box .pic-box img {
    width: 100%;
    height: 100%;
    display: block;
}

.func-box .intro-box {
    width: 470px;
}

.func-box .item-box {
    position: relative;
    padding: 0 0 39px 64px;
}

.func-box .item-box:last-child {
    padding-bottom: 0;
}

.func-box .item-box .icon-box {
    position: absolute;
    left: 0;
    top: 10px;
    width: 50px;
    height: 50px;
}

.func-box .item-box .icon-box img {
    width: 100%;
    height: 100%;
}

.func-box .item-box .tit-box {
    padding: 10px 0 8px;
    font-size: 26px;
    line-height: 54px;
    color: #2751e7;
}

.func-box .item-box .msc-box {
    font-size: 20px;
    line-height: 28px;
    color: #434343;
}

.platform-box {
    padding-top: 110px;
    color: #434343;
    text-align: center;
}

.platform-box .intro-box {
    font-size: 29px;
    line-height: 31px;
    padding: 21px 0 81px;
}

.platform-list {
    font-size: 0;
    margin: 0 55px -79px;
}

.platform-list .item-box {
    display: inline-block;
    text-align: center;
    width: 33.3%;
    margin-bottom: 79px;
}

.platform-list .item-box .icon-box {
    width: 105px;
    height: 105px;
    margin: 0 auto;
}

.platform-list .item-box .icon-box img {
    width: 100%;
    height: 100%;
    display: block;
}

.platform-list .item-box .tit-box {
    padding-top: 35px;
    font-size: 26px;
    line-height: 28px;
}

.footer-box {
    background: url(../images/im_social/im_footer.png) no-repeat center;
    height: 360px;
    text-align: center;
    color: #fff;
    padding-top: 81px;
    margin-top: 107px;
    display: block;
}

.footer-box .tit-box {
    font-size: 44px;
    line-height: 54px;
    padding-bottom: 32px;
    font-weight: bold;
}

.footer-box .button-box {
    width: 516px;
    height: 127px;
    background: url(../images/im/im_footer_button.png) no-repeat center;
    margin: 0 auto;
    position: relative;
}

.footer-box .button-box .button-con {
    position: absolute;
    top: 16px;
    left: 0;
    right: 0;
    width: 278px;
    height: 52px;
    margin: 0 auto;
}

.bg1-box {
    position: absolute;
    z-index: 1;
    pointer-events: none;
    top: 68%;
    width: 100%;
    left: 0;
    height: 644px;
    background: url(../images/im/im_bg_left.png) no-repeat;
}

.bg2-box {
    position: absolute;
    z-index: 1;
    pointer-events: none;
    top: 52%;
    right: 0;
    width: 100%;
    height: 507px;
    background: url(../images/im/im_bg_right.png) no-repeat right;
}

@media(max-width:1920px) {
    .bg1-box {
        background: url(../images/im/im_bg_left.png) no-repeat 50% 0px;
    }
    .bg2-box {
        background: url(../images/im/im_bg_right.png) no-repeat 50% 50%;
    }
}