#container::after {
  content: "";
  display: block;
  clear: both;
}
* {
  margin: 0px;
  padding: 0px;
}
#intro {
  padding: 20px;
}
#container {
  width: 1400px;
  margin: 0px auto;
}
/*页首*/
header {
  height: 50px;
  padding:20px 10px 10px 10px;
  border-bottom: 4px #000000  solid;
}

header a{
	text-decoration: none;
	color:black;
}

header a:hover {
  text-decoration: underline; /* 鼠标悬停时添加下划线 */
  color: blue; 
}

header div{
  float: right;
  margin-right: -70px;
}
.user{
  display: flex;
  align-items: center;
}
.user img {
  width: 45px; /* 用户图片宽度 */
  height: 45px; /* 用户图片高度 */
  margin-left : 0px; /* 图片与文本之间的间距 */
}

/*logo图片*/
header img{
  float: left;
  width: 140px;
  height: 50px;
  margin-right: 60px;
  margin-top: 5px;
}

nav{
  float:left;
}

nav ul li{
  list-style-type: none;
  float: left;
  height: 33px;
  line-height: 50px;
  margin: 0px 55px;
}

ul li a{
  text-decoration: none; /* 默认没有下划线 */
  color: black; 
  font-family: "幼圆";
  font-size: 18px;
  font-weight: bold;
}

ul li a:hover {
  text-decoration: underline; /* 鼠标悬停时添加下划线 */
  color: blue; /* 可以设置鼠标悬停时的文字颜色 */
}
/*内容*/

body {
    font-family: 'Arial', sans-serif;
    
    color: #333;
}

.event img{
    width: 300px;
	height：100px；
    transition: transform 0.3s ease;
}

.event img:hover {
    transform: scale(1.05);
}

.event-title {
    font-size: 24px;
    color: #333;
    border-bottom: 1px solid #ccc;
    margin-bottom: 10px;
}

.event-date {
    font-size: 18px;
    color: #555;
    margin-bottom: 5px;
}

.event-description {
    font-size: 16px;
    color: #666;
}

.btn {
    display: inline-block;
    font-size: 16px;
    color: #fff;
    background-color: #006699;
    padding: 10px 20px;
    text-align: center;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #004a73;
}

.container div h3{
	  color: gray; 
  font-family: "幼圆";
  font-size: 24px;
  line-height: 1.6;
}

.container div p{
  color: gray; 
  font-family: "幼圆";
  font-size: 18px;
  line-height: 1.5;
}


/* 页脚样式 */
footer {
  background-color: #333; /* 页脚背景颜色 */
  color: white; /* 文字颜色 */
  text-align: center; /* 文字居中 */
  margin-top: 50px;
}