hr{
    width: 90%;
    height: 1px;
    background-color: #000000;
}
.introduction{
    text-align: center;
    width: 90%;
    margin: 20px auto;
    background-color: #ecf0f3;
    padding: 20px 0px;
    border-radius: 30px;
}
.mainmembers{
    display: flex;
    flex-direction: column;
    text-align: center;
    width: 90%;
    margin: 20px auto;
    background-color: #ecf0f3;
    padding: 20px 0px;
    border-radius: 30px;
}
.mainmembers-main{
    margin-top: 20px;
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
}
.mainmembers-user{
    color: #000000;
    text-decoration: none;
    margin-left: 5%;
    margin-right: 5%;
}
.mainmembers-user-avatar{
    width: 60px;
    height: 60px;
}
.mainmembers-user-name{
    margin: 0px;
}
.mainmembers-all{
    width: fit-content;
    margin-top: 20px;
    color: #000000;
    text-decoration: none;
    margin-left: auto;
    margin-right: auto;
}
.mainmembers-all:hover{
    font-weight: bold;
}
.popularproducts{
    display: flex;
    flex-direction: column;
    text-align: center;
    width: 90%;
    margin: 20px auto;
    background-color: #ecf0f3;
    padding: 20px 0px;
    border-radius: 30px;
}
.popularproducts-main{
    margin-top: 20px;
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
}
.popularproducts-user{
    display: flex;
    color: #000000;
    text-decoration: none;
    margin-left: 8%;
    margin-right: 8%;
    justify-content: space-around;
    align-items: center;
}
.popularproducts-user-icon{
    width: 80px;
    height: 80px;
}
.popularproducts-user-info{
    width: 50%;
}
.popularproducts-user-name{
    margin: 0px 0px 10px 0px;
}
.popularproducts-user-description{
    margin: 0px;
}
.popularproducts-all{
    width: fit-content;
    margin-top: 20px;
    color: #000000;
    text-decoration: none;
    margin-left: auto;
    margin-right: auto;
}
.popularproducts-all:hover{
    font-weight: bold;
}
.articles{
    display: flex;
    flex-direction: column;
    text-align: center;
    width: 90%;
    margin: 20px auto;
    background-color: #ecf0f3;
    padding: 20px 0px;
    border-radius: 30px;
}
.articles iframe{
    width: 90%;
    height: 500px;
    margin-left: auto;
    margin-right: auto;
}
.articles-all{
    width: fit-content;
    margin-top: 20px;
    color: #000000;
    text-decoration: none;
    margin-left: auto;
    margin-right: auto;
}
.articles-all:hover{
    font-weight: bold;
}
/*AD*/
.ad{
    display: flex;
    position: absolute;
    z-index: 1;
    background-color: #808080CC;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
}
.adc{
    display: flex;
    position: absolute;
    z-index: 1;
    background-color: #808080CC;
    display: none;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
}
.ad-main{
    display: flex;
    flex-direction: column;
    width: 80%;
    height: 600px;
    background-color: #FFFFFF;
    border-radius: 30px;
    padding: 20px;
    justify-content: center;
    align-items: center;
}
.ad-main p{
    margin: 0px;
}
.ad-img{
    height: 65%;
    margin: 10px;
}
.ad-close{
    margin: 20px 0px 18px 0px;
    background-color: #D0D0D0;
    padding: 10px;
    border-radius: 12px;
}
.ad-close:hover{
    cursor: pointer;
}