html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,figure,table,caption,th,td,form,fieldset,legend,input,button,textarea,menu{margin:0;padding:0;}
header,footer,section,article,aside,nav,hgroup,address,figure,figcaption,menu,details{display:block;}
table{border-collapse:collapse;border-spacing:0;}
caption,th{text-align:left;font-weight:normal;}
html,body,fieldset,img,iframe,abbr{border:0;}
i,cite,em,var,address,dfn{font-style:normal;}
[hidefocus],summary{outline:0;}
li{list-style:none;}
h1,h2,h3,h4,h5,h6,small{font-size:100%;}
sup,sub{font-size:83%;}
pre,code,kbd,samp{font-family:inherit;}
q:before,q:after{content:none;}
textarea{overflow:auto;resize:none;}
label,summary{cursor:default;}
a,button{cursor:pointer;}
h1,h2,h3,h4,h5,h6,em,strong,b{font-weight:bold;}
del,ins,u,s,a,a:hover{text-decoration:none;}
body,textarea,input,button,select,keygen,legend{font:12px/1.14 arial,\5b8b\4f53;color:#333;outline:0;}
body {font-family:"Microsoft YaHei",微软雅黑,"Microsoft JhengHei",华文细黑,STHeiti,MingLiu;} 
a,a:hover{color:#fff;}

.fl{ float: left; }

.background{ width:100%; }
.main{ position: absolute; left: 40%; top: 50%; transform: translate(-40%, -50%); color:#000; }
.main .iphone6{ margin-right:75px  }
.main .content{ margin-top:140px; }
.main h2{ font-size: 45px; font-weight:normal;}
.main h3{ font-size: 16px; font-weight:normal;}
.main text{ font-size: 16px; font-weight:normal;}
.main p{ margin:15px 0 15px 0; line-height:22px; font-size: 13px;}
.main .item{ float:left; text-align: center;}
.main .android{ margin-left:55px; }
.main h3{ padding:12px; border-bottom:2px solid rgb(255,255,255); margin:0 3px;}
.main .icon{ margin:5px 0 25px 0;  }
.main em{ width:0; height:0; border-left:5px solid transparent;  border-right:5px solid transparent; border-top:5px solid rgb(255,255,255); display:inline-block;}

.footer{ color:#fff;   width:100%; background:rgba(000,000,000,0.7);  filter:Alpha(opacity=70); *zoom:1;}
.footer p{  text-align: center; font-size:14px; margin:25px 0; line-height:30px;  }
.footer .company{ margin-right: 40px; }

.jumbotron { margin-bottom:0px; }
.jumbotron h2{ font-size:35px;  font-weight:normal; }
.jumbotron .item{ display: inline-block; margin:50px 5px 0 5px; }
.jumbotron img{ display: block; margin-bottom:30px;}
.text-center{ line-height:20px;  }