html,
body {
    background-color: #ebebeb;
    font-family: "PingFangSC-Regular","冬青黑体", "微软雅黑", "Microsoft YaHei", Arial, "Helvetica";
    font-size: 20px;
}
@media (max-width: 440px) {
    html， body {
        font-size: 18px;
    }
}
.container {
    width: 100%;
    max-width: 768px;
    margin: 0 auto;
}
.container .main {
    padding: 1rem 0 2rem;
    margin-bottom: 10px;
    background-color: #ffffff;
}
.container .main:first-child{
    padding: 0 0 2rem;
}
.container .main:last-child {
    margin-bottom: 0;
}
.container img {
    width: 100%;
}
.container .content {
    padding: 0 18px;
}
.container:last-child{
    padding-bottom: 2rem;
}
.container .content .content-img {
    padding: 30px 0 0;
}
.container .content .content-title {
    font-size: 1.2rem;
    line-height: 2rem;
    padding: 1rem 0;
    font-weight: bold;
}
.container .content .content-text {
    font-size: .87rem;
    line-height: 1.5rem;
    padding: .5rem 0;
}
.container .content .content-text-center {
    text-align: center;
    font-size: .7rem;
    color: rgb(51,51,51);
    margin-top: -1rem;
    padding: 0 0 .8rem;
}
.container .content .content-bold{
    font-weight: 600;
    padding: .8rem 0 0;
    margin-bottom: -.2rem;
}
.container .container-img {
    padding: 1.6rem 0 1rem;
}
.container .container-video {
    padding: 1.6rem 0 ;
}