.tioamu{
    width: 218px;
    height: 28px;
    box-shadow: 2px 2px 7px rgb(0, 0, 0,.2);
    border-radius:10px;
    margin: 34px auto;
}
.tioamu li{
    position: relative;
    float: left;
    width: auto;
}
li{
    list-style:none;
    line-height: 17px;
}
.tioamu ul li{
    float: left;
    padding-left: 34px;
    margin-top: 6px;
    font-size: 14px;
}
.tioamu ul li a{
    color: #4d4d4d;
    text-decoration: none;
    font-size: 100%;
    padding: 3px 14px;
}
.tioamu ul li a:hover{
    color: rgb(87, 87, 255);
    background-color: #dbdbdb;
    border-radius: 5px;
}
.second{
    width: 78%;
    height: 1515px;
    margin: 20px auto;
    background-color: #F0F0F0;
    border-radius:50px;
}
.second_1{
    width: 71%;
    height: 47px;
    float: left;
    margin-top: 28px;
    margin-left: 14.5%;
    border-bottom: 1.5px solid rgba(0, 0, 0); 
}
.second_1 h3{
    margin-top: 5px;
    text-align: center;
    /* font-weight: bold;   */
}
.second_2{
    width: 61%;
    height: 1325px;
    margin-top: 40px;
    margin-left: 20%;
    float: left;
}
.you{
    width: 44%;
    float: right;
}
.zuo{
    width: 44%;
    float: left;
}
.zuo_1{
    height: 612px;
}
.you_1{
    height: 762px;
}
.you_2{
    height: 144px;
    margin-top: 11.5%;
}
.zuo_2{
    margin-top: 11.5%;
    height: 630px;
}
.zuo_3{
    width: 44%;
    float: left;
    height: 186px;
    margin-top: 11.5%;
}
.you_3{
    height: 292px;
    margin-top: 25%;
}
.you_2_2{
    width: 100%;
    height: 327px;
    float: left;
}
.you_2_3{
    width: 100%;
    height: 186px;
    margin-top: 10%;
    float: left;
}
.second p{
    margin-left: 27px;
    font-size: 13px;
    text-align: left;
    line-height: 33px;
}
.you_1_1{
    width: 100%;
    height: 504px;
}
.you_1_2{
    width: 100%;
    margin-top: 12%;
    height: 406px;
}
.you_4{
    height: 109px;
    margin-top: -5%;
}