body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.box {
  border: 2px solid #ccc; /* 设置边框 */
  box-shadow: 0px 0px 5px 2px rgba(255, 0, 0, 0.5), 0px 5px 5px 2px rgba(0, 0, 255, 0.5); /* 设置发光阴影 */
}


.container {
    background-color: #ffffff;
    width: 80%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

h1{
    text-align: center;
	ffont-family: Courier New, Courier, monospace;
	letter-spacing: 1px;
}
h2,h3 {
	letter-spacing: 1px;

}


.announcement {
    margin-top: 30px;
}

h3 {
    font-size: 24px;
    margin-top: 30px;
}

p {
  margin: 10px 0; /* 上下边距为10px，左右边距为0 */
  line-height: 2; /* 行高为1.5倍文字大小 */
  letter-spacing: 2px;
  word-wrap: break-word;
  font-size: 18px;
  font-weight: 400;
  color: #333333;
}