/*头部导航*/
#title_line_four{
    display: block;
    bottom:  0;
    width: 100%;
    height: 5px;
    background-color: white;
}
.main{
    width: 100%;
    height: 700px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(244, 247, 255);
}
.text{
    width: 80%;
    height: 80%;
    margin: auto;
    padding-bottom: 10%;
    border-radius: 10px;
    border: 1px solid rgb(105, 135, 137);
}
.text_p{
    margin-top: 30px;
    margin-left: 30px;
}
.text p{
    margin-left: 10px;
    margin-top: 10px;
}