*{
    margin:0;
    padding:0;
    box-sizing: border-box;
    list-style-type: none;
}
body {
    font-family: "Microsoft YaHei";
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
a:hover {
    text-decoration:underline;
}
img{
    border:none;
}
ul, li {
    list-style: none;
    padding: 0;
    margin: 0;
	  text-decoration: none;
}
a, a:hover, a:active, a:visited, a:focus {
  text-decoration: none;
}
a {
    text-decoration: none;
    color: inherit;
    outline: none;
}
input {
  /* 移除所有默认外观 */
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  
  /* 移除默认边框和背景 */
  border: none;
  background: none;
  
  /* 移除默认轮廓线 */
  outline: none;
  
  /* 移除默认内边距（移动端常见） */
  padding: 0;
  
  /* 移除默认字体样式 */
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  
  /* 移除默认圆角（特别是iOS） */
  border-radius: 0;
  }
body{
    font-size:16px;
    font-family:'Microsoft YaHei';
	background-color:#fff;
}
.clear{
    clear:both;
}
.wrap{
    width:1400px;
    margin:0 auto;
}
/* 单行省略 */
.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 学会header */
.banner{
	width:100%;
	height:320px;
	background:url("../img/banner.png") no-repeat center;
	background-size:cover;
	position:relative;
}
.banner:before{
	content:"";
	position:absolute;
	inset:0;
	background:linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.35));
}

.banner_inner{
	position:absolute;
	left:50%;
	top:50%;
	transform:translate(-50%,-50%);
	text-align:center;
	color:#fff;
	width:1200px;
	padding:0 20px;
}

.xh_header_tab{
	background:#c32626;
	height:50px;
	line-height:50px;
}

.xh_header_tab .nav{
	display:flex;
	justify-content:center;
	gap:56px;
}

.xh_header_tab .nav li{position:relative;}
.xh_header_tab .nav li{
	font-size:14px;
	color:#fff;
	display:inline-block;
	padding:0 4px;
}

.xh_header_tab .nav li.active:after{
	content:"";
	position:absolute;
	left:50%;
	transform:translateX(-50%);
	bottom:0;
	width:70px;
	height:8px;
	background:#fff;
	border-radius:4px;
}


/* footer */
.footer{background:#3c3a3a;color:#cfcfcf;margin-top: 100px;}
.footer .wrap{padding:26px 0;}
.footer_cols{width: 800px; margin: auto;}
.footer_cols{display:flex;gap:40px;align-items:flex-start;}
.footer_col{width:240px;display:flex;flex-direction:column;gap:10px;}
.footer_title{color:#fff;font-size:14px;margin-bottom:4px;}
.footer_col a{color:#cfcfcf;font-size:12px;}
.footer_col a:hover{color:#fff;}
.footer_qr{margin-left:auto;text-align:center;}
.qr{width:110px;height:110px;background:#d1d1d1;border:1px solid #eee;margin:0 auto;color:#444;display:flex;align-items:center;justify-content:center;font-size:12px;}
.qr_txt{margin-top:8px;font-size:12px;}
.footer_bar{background:#2e2c2c;color:#aaa;text-align:center;font-size:12px;line-height:40px;height:40px;}
.footer_list{
	width: 815px;
	font-weight: 400;
	font-size: 14px;
	color: #FFFFFF;
	line-height: 24px;
	margin: auto;
	margin-top: 30px;
}
.footer_list p{
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
}
.footer_list p span{
	padding: 0 5px;
	box-sizing: border-box;
}