.i_banner {
    position: relative;
    height: 340px;
}

.i_banner_img {
    width: 100%;
    position: static;
    height: 100%;
    margin-left: 0;
}
.mobile-title{
    position: absolute;
    bottom: 202px;
    left: 50%;
    transform: translateX(-50%);
    width: 190px;
    height: 50px;
    border-radius: 25px;
    font-size: 40px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    line-height: 50px;
}
.mobile-desc{
    position: absolute;
    bottom: 132px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 50px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    line-height: 50px;
    text-align: center;
}
.i_banner_btn {
    position: absolute;
    bottom: 72px;
    left: 50%;
    transform: translateX(-50%);
    width: 190px;
    height: 50px;
    background: rgba(255, 255, 255, 1);
    border-radius: 25px;
    font-size: 18px;
    font-weight: bold;
    color: #6974FF;
    line-height: 50px;
}

.i_banner_btn:hover {
    color: #fff;
    background: -o-linear-gradient(144deg, rgba(142, 107, 255, 1), rgba(80, 134, 255, 1));
    background: linear-gradient(-54deg, rgba(142, 107, 255, 1), rgba(80, 134, 255, 1))
}
.home{
    background: url("../images/port/home.png");
}
.search{
    background: url("../images/port/search.png");
}
.detail{
    background: url("../images/port/detail.png");
}
.pt-100{
    padding-top: 100px;
}
.box-mb-89{
    margin-bottom: 89px;
}
.color-21{
    color: #212121;
}
.color-999{
    color: #999;
}
.phone_blue{
    padding-top: 43px;
    background:none;
    width: 274px;
    height: 599px;
}
.w-470{
    width: 470px;
}
.list_3 .search-item{
    height: 220px;
    width: 220px;
}
.h_150{
    height: 150px;
}
.phone_blue .img{
    display: none;
}
.phone_blue .default-show{
    display: block;
}
.mobile-sticky{
    margin-top: 43px;
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
}
.mobile-placeholder::after{
    content: " ";
    display: block;
    width: 274px;
    height: 599px;
}
.item_li .icon{
    width: 80px;
    height: 80px;
}
.bg-gray{
    background: #F9F9FB;
}
#home{
    margin: 0 auto;
    width: 1200px;
}
.w-1200{
    margin: 0 auto;
    width: 1200px;
}