h3{
    font-size: 12px;
    font-weight: bold;
    text-align: center;
}
body{
    padding: 25px;
}
body,button, input, select, textarea,h1 ,h2, h3, h4, h5, h6,p { font-family: "SimSun ";}
.service {
    width: 1200px;
    background: #FFFFFF;
    border: 1px solid #DDE5F0;
    box-shadow: 0px 8px 15px 0px rgba(108, 107, 106, 0.5);
    border-radius: 26px;
    margin: 0 auto;
    padding: 20px
}
p{
    font-family: 宋体;
    font-size: 16px;
}
span{
    font-size: 16px;
    font-weight: bold;
    text-align: center;
}