body {
    font-family: 'Times New Roman', Times, serif;
    margin: 0;
    padding: 20px;
    line-height: 1.6;
    color: #333;
}
header {
    text-align: center;
    padding: 20px;
    border-bottom: 2px solid #333;
}
header h1 {
    margin: 0;
}
address {
    font-style: normal; /* 常用的设置是 italic */
}
main {
    margin-top: 20px;
}
section {
    margin-top: 20px;
}
.title {
    color: #333;
    font-size: 1.5em;
    border-bottom: 2px solid #333;
    padding-bottom: 5px;
    margin-bottom: 10px;
}
.blue {
    color: #0056b3;
}
ul {
    list-style-type: disc;
    padding-left: 20px;
}
p {
    margin: 5px 0;
}
footer {
    text-align: center;
    margin-top: 20px;
    padding: 10px 0;
    border-top: 2px solid #333;
}