body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{margin:0;padding:0}table{border-collapse:collapse;border-spacing:0}fieldset,img{border:0}address,caption,cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:400}ol,ul{list-style:none}caption,th{text-align:left}h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:400}abbr,acronym{border:0;font-variant:normal}sup{vertical-align:text-top}sub{vertical-align:text-bottom}q:before,q:after{content:''}input,textarea,select{font-family:inherit;font-size:inherit;font-weight:inherit;*font-size:100%}legend{color:#000}.clearfix{clear:both;zoom:1}.clearfix:after{clear:both;content:'';display:block;height:0;visibility:hidden}

.head{ height: 100%; width: 100%;position: absolute;}
.content{ max-width:720px; margin-left:auto; margin-right:auto; background-image:url(../img/01.jpg); min-height:850px;height:100%;background-size:100% 100%;}
.logo{ margin-left:20px; padding-top:20px;}
.head .p_t{ position:absolute; top:0px; left:50%; margin-left:-10px; z-index:999;}
.b_f{ width:295px; height:295px; margin-left:auto; margin-right:auto; position:relative; margin-top:30px;}
.b_f .wp{ position:absolute; top:50%; left:50%; margin-left:-147.5px; margin-top:-147.5px;}
.b_f .wp .moddle{display: flex;}
.b_f .b_t{ position:absolute; top:50%; left:50%; margin-left:-28px; margin-top:-28px;}
.w_w{ max-width:300px; text-align:center; margin-left:auto; margin-right:auto; margin-top:20px;}
.w_x{ max-width:300px; text-align:center; margin-left:auto; margin-right:auto; margin-top:20px;}
.w_w p{ color:#999; font-weight:PingFangSC-Regular; font-size:18px;}
.w_w span{ color:#999; font-weight:PingFangSC-Regular; font-size:14px;}
.w_x p{ color:#ffffff; font-weight:PingFangSC-Regular; font-size:18px;}
.w_x span{ color:#ffffff; font-weight:PingFangSC-Regular; font-size:14px;}
.btn{ width:100%; height:60px; text-align:center; position:fixed; bottom:0px;}
.btn a{ width:172px; height:40px;line-height:40px; color:#FFF; background-color:#438EFF; margin-left:auto; margin-right:auto; border-radius:20px; position:fixed; bottom:20px; left:50%; margin-left:-86px;text-decoration:none;}