body {
  font-family: "Lato", sans-serif;
        background-size: cover;
        background-repeat: no-repeat;
	    background-attachment: fixed;
}

.sidebar {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #fbfcfc;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidebar a {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 25px;
  color: #818181;
  display: block;
  transition: 0.3s;
  text-align:center;
  margin-bottom: 10px;
}

.sidebar a:hover {
  color: #f1f1f1;
}

.sidebar .closebtn {
  position: absolute;
  top: 0;
  font-size: 36px;
  margin-left: 0px;
}

.openbtn {
  font-size: 20px;
  cursor: pointer;
  background-color: #00c1ff;
  color: white;
  padding: 10px 15px;
  border: none;
}
.openbtn:hover {
  color:black;
}

#main {
  transition: margin-left .5s;
  padding-right:10px;
  display:flex;
  align-items:center;
}

/* 在高度小于 450px 的较小屏幕上，更改 sidenav 的样式（更少的填充和更小的字体大小）*/
@media screen and (max-height: 450px) {
  .sidebar {padding-top: 15px;}
  .sidebar a {font-size: 18px;}
}
#title{
	font-size:40px;
	height:51px;
	display:flex;
	background-color:#00C1FF;
	text-align:center;
	position:fixed;
	top: 0;
	width:100%;
}
.desktop-style .image-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center; /* 使文本居中 */
  justify-content: center; /* 水平居中 */
}

.desktop-style .image-container img {
  display: block; /* 让图片以块级元素的形式显示 */
  margin: 0 auto; /* 图片水平居中 */
}

.desktop-style .image-container .button {
  display: inline-block; /* 按钮以行内块级元素显示 */
  padding: 10px 20px; /* 调整按钮的内边距 */
  background-color: #0097ff; /* 可根据需要自定义按钮的背景颜色 */
  color: #ffffff; /* 可根据需要自定义按钮的文字颜色 */
  text-decoration: none; /* 去除按钮的下划线效果 */
  border-radius: 35px; /* 可根据需要自定义按钮的圆角效果 */
  text-align:center;
  position: absolute; /* 绝对定位 */
  bottom: 0; /* 底部对齐 */
  margin-bottom: 22%; /* 距离底部的间距 */
  font-size:25px;
  filter:alpha(opacity=705);
  opacity:0.75; 
  width:160px;
}
.mobile-style .image-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center; /* 使文本居中 */
  justify-content: center; /* 水平居中 */
}

.mobile-style .image-container img {
  display: block; /* 让图片以块级元素的形式显示 */
  margin: 0 auto; /* 图片水平居中 */
}

.mobile-style .image-container .button {
  display: inline-block; /* 按钮以行内块级元素显示 */
  padding: 10px 20px; /* 调整按钮的内边距 */
  background-color: #0097ff; /* 可根据需要自定义按钮的背景颜色 */
  color: #ffffff; /* 可根据需要自定义按钮的文字颜色 */
  text-decoration: none; /* 去除按钮的下划线效果 */
  border-radius: 35px; /* 可根据需要自定义按钮的圆角效果 */
  text-align:center;
  position: absolute; /* 绝对定位 */
  bottom: 0; /* 底部对齐 */
  margin-bottom: 700px; /* 距离底部的间距 */
  font-size:25px;
  filter:alpha(opacity=75);
  opacity:0.75; 
  width:160px;
}
.desktop-style .mainfo {
	display:flex;
}
.desktop-style #h {
	text-align:center;
	color:DodgerBlue;
	width:30%;
	margin-left:10%;
	margin-right:10%;
}
.desktop-style #p {
	color:#9AE5FF;
	font-size:20px;
}
.mobile-style .mainfo {
	display:flex;
}
.mobile-style #h {
	text-align:center;
	color:DodgerBlue;
	padding:20px;
}
.mobile-style #p {
	color:#9AE5FF;
	font-size:20px;
}











/*info.html*/
#infotitle {
	background-color:#AFC7FF;
	width:100%;
	text-align:center;
	margin-top:51px;
	font-size:33px;
	color:white;
	filter:alpha(opacity=66);
	opacity:0.66;
	margin-top:0;
}
.cnt {
  display: flex;
  align-items: center;
  margin-top:0;
}

.image-cnt img {
  width: 200px;
  height: auto;
  margin-top:0;
}

.text-cnt {
  margin-left: 20px;
  font-size:30px;
  margin-top:0;
}

.img h2,a,p {
  color: #333;
  text-decoration: none;
  margin-top:0;
}
.element {
   transition: opacity 0.5s ease; /* 添加过渡效果以使透明度变化平滑 */
}


#nxfs{
	background-color:#F6F9FF;
    border-radius: 35px;
	width:50%;
	margin-left:25%;
    filter:alpha(opacity=50);
    opacity:0.70; 
}
#nxfss{
	border-radius:30px;
	text-align:center;
	background-color:#EBEBEC;
	font-size:17px;
}

.desktop-style #joinus {
	background-image:url('https://w.crystalneko.online/images/f8.png');
	background-attachment:fixed;
	width:100%;
	text-align:center;
	font-size:33px;
	color:white;
	margin-top:0;
	height:180px;
}
.desktop-style #joinusb {
background-color:DodgerBlue;
filter:alpha(opacity=66);
opacity:0.66;
border-radius: 35px;
font-size:30px;
margin-top:60px;
width:15%;
}
.mobile-style #joinus {
	background-image:url('https://w.crystalneko.online/images/f9.png');
	background-attachment:fixed;
	width:100%;
	text-align:center;
	font-size:33px;
	color:white;
	margin-top:0;
	height:100px;
}
.mobile-style #joinusb {
background-color:DodgerBlue;
filter:alpha(opacity=66);
opacity:0.66;
border-radius: 35px;
font-size:20px;
margin-top:30px;
width:30%;
}

#resourceButton{
  border: none;
  text-align: center;
  opacity: 0.8;
  font-size: 30px;
  width: 35%;
  margin-left: 30%;
  margin-right: 30%;
  margin-top: 5px;
}