/* ============================================================
   样式重置 
   ============================================================ */
*{box-sizing:border-box;}
body,p,ul,ol,li,dl,dt,dd,h1,h2,h3,h4,h5,h6,form,fieldset,legend,input,select,textarea,button,th,td{margin:0;padding:0;}
h1,h2,h3,h4,h5,h6{font-size:100%; font-weight:300;}
ul,dl,ol{list-style:none;}
img,fieldset,input[type="submit"]{border:0 none;}
img{display:inline-block;overflow:hidden;vertical-align:top;}
em{font-style:normal;}
strong{font-weight:normal;}
table{border-collapse:collapse;border-spacing:0;}
button,input{cursor:pointer;border:0 none;-webkit-appearance: none;appearance:none;}
textarea{word-wrap:break-word;resize:none;}  /* word-wrap for opera, resize for webkit */
menu{margin:0;padding:0;}
body{max-width: 800px;margin: 0 auto;-webkit-user-select:none;-webkit-text-size-adjust:none!important;font-family: "Helvetica Neue", Helvetica, STHeiTi, sans-serif; background:#fff; color:#333;}
input[type="number"]{-webkit-user-select:text;}
a,button,input,img{-webkit-touch-callout:none;}/* 1.ios 长按时不触发系统的菜单 2.禁止长按时下载图片 */
input,select,textarea{outline:none;}
/* 去除android4.0以下 a/button/input标签被点击时产生的边框 因为边框引起了不少bug */
a,button,input,select,li{-webkit-tap-highlight-color:rgba(0,0,0,0);}
/* Android4.0下不识别选择器-webkit-transform-3d 使用它可做Android4.0下版本兼容 */
@media all and (-webkit-transform-3d){
/* android4.0+ ios4+ 恢复按钮被点击时产生的效果 */
/*a,button,input{-webkit-tap-highlight-color:rgba(130,130,130,.52);}*/
a,button,input,select{-webkit-tap-highlight-color:rgba(0,0,0,0);}
} 
a{text-decoration:none;} 
/*弹性盒子*/
.flex{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;} 
.flex-v{-webkit-box-orient:vertical;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;} 
.flex-1{-webkit-box-flex:1;-webkit-flex:1;-ms-flex:1;flex:1;} 
.flex-align-center{-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;} 
.flex-pack-center{-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;} 
.flex-pack-justify{-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;}
.flex-space-around{-webkit-justify-content:space-around;justify-content:space-around;}

.hor-view{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-webkit-flex-direction:row;flex-direction:row}
.ver-view{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column}
.hor-gap{width:1px;height:100%;line-height:0}
.ver-gap{height:1px;width:100%;line-height:0}
.clearfix:after,.clearfix:before {content:"."; display:block; height:0; visibility:hidden; clear:both; }
.clearfix { *zoom: 1; }
::-moz-placeholder { color: #cecece; font-size:0.56rem;}
::-webkit-input-placeholder { color:#cecece;  font-size: 0.56rem;}
:-ms-input-placeholder { color:#cecece;  font-size: 0.56rem;}

html{font-size:50px}
@media screen and (min-width:320px){html{font-size:21.33px}}
@media screen and (min-width:360px){html{font-size:24px}}
@media screen and (min-width:375px){html{font-size:25px}}
@media screen and (min-width:384px){html{font-size:25.6px}}
@media screen and (min-width:400px){html{font-size:27px}}
@media screen and (min-width:414px){html{font-size:27px}}
@media screen and (min-width:424px){html{font-size:28.27px}}
@media screen and (min-width:480px){html{font-size:32px}}
@media screen and (min-width:540px){html{font-size:36px}}
@media screen and (min-width:720px){html{font-size:48px}}
@media screen and (min-width:750px){html{font-size:50px}}