/* reset*/
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td{margin:0;padding:0}
fieldset,img{border:0}
:focus{outline:0}
address,caption,cite,code,dfn,em,strong,th,var,optgroup{font-style:normal;font-weight:normal}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal}
abbr,acronym{border:0;font-variant:normal}
input,button,textarea,select,optgroup,option{font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;}
code,kbd,samp,tt{font-size:100%}
input,button,textarea,select{*font-size:100%;vertical-align:middle;}
textarea{resize:none;}
ol,ul{list-style:none}
table{border-collapse:collapse;border-spacing:0}
img{vertical-align:top}
caption,th{text-align:left}
sup,sub{font-size:8px;vertical-align:baseline}
:link,:visited,ins{text-decoration:none}
blockquote,q{quotes:none}
blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}
body,textarea,pre,input{font:12px/1.6 tahoma,arial,sans-serif;}

a {outline: none;color:#666;text-decoration:none}
a:active {star:expression(this.onFocus=this.blur());}/*ie7*/
a:link,a:visited{color:#fff;text-decoration:none;}  /* 重置链接a标签 */
a:active,a:hover {text-decoration:none;}   /* 重置链接a标签的鼠标滑动效果 */
.logo_img{
	position: absolute;
	left:151px;
	top:80px;
}
body{
	display: flex;flex-direction: column;
}
.back_list{
	margin-top: 20px;
    text-align: right;
}
.back_list a{
	background: #017bb2;
    padding: 4px 18px;
    font-size: 14px;
    margin-top: 20px;
}