.custom-ui{
    background: linear-gradient(#f0f5f9, #e6edf5);
    padding: 20px;
    border-radius: 14px;
    line-height: 1.8;
    font-family: "思源宋体",serif;
}
.custom-ui h2{
    color: #2c3e50;
    border-left: 4px solid #6488b8;
    padding-left: 10px;
}
.custom-ui h3{
    color: #34495e;
    margin-top:15px;
}
.custom-ui p{
    color:#444;
    font-size:15px;
    margin:8px 0;
}