/* reset */
body {
  font-family: 微软雅黑, Microsoft YaHei, Arial, Helvetica, sans-serif;
  background-color: transparent;
  margin: 0px;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  font-family: 微软雅黑, Microsoft YaHei, Arial, Helvetica, sans-serif;
  letter-spacing: 1px;
}

/* help class */
.div-center { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.absolute { position: absolute; }
.relative { position: relative; }
.fixed { position: fixed; }
.pos.top { top: 0px; }
.pos.bottom { bottom: 0px; }
.pos.right{ right: 0px; }
.pos.left { left: 0px; }
.max-width-640 { max-width: 640px; }
.width-full { width: 100%; }
.height-full { height: 100%; }
.pull-right { float: right; }
.pull-left { float: left; }
.block { display: block; }
.inline-block { display: inline-block; }
.v-middle { vertical-align: middle; }
.clearfix { clear: both }
.full-bg-cover {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
.full-bg-contain {
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.text-xs{font-size:10px;}.text-sm{font-size:13px;}.text-md{font-size:16px;}.text-lg{font-size:19px;}.text-xl{font-size:22px;}.m-none{margin:0!important;}.m-auto{margin:0 auto!important;}.m-xs{margin:5px!important;}.m-sm{margin:10px!important;}.m-md{margin:15px!important;}.m-lg{margin:20px!important;}.m-xl{margin:25px!important;}.m-xlg{margin:30px!important;}.mt-none{margin-top:0!important;}.mt-xs{margin-top:5px!important;}.mt-sm{margin-top:10px!important;}.mt-md{margin-top:15px!important;}.mt-lg{margin-top:20px!important;}.mt-xl{margin-top:25px!important;}.mt-xlg{margin-top:30px!important;}.mb-none{margin-bottom:0!important;}.mb-xs{margin-bottom:5px!important;}.mb-sm{margin-bottom:10px!important;}.mb-md{margin-bottom:15px!important;}.mb-lg{margin-bottom:20px!important;}.mb-xl{margin-bottom:25px!important;}.mb-xlg{margin-bottom:30px!important;}.mr-none{margin-left:0!important;margin-right:0!important;}.ml-xs{margin-left:5px!important;}.ml-sm{margin-left:10px!important;}.ml-md{margin-left:15px!important;}.ml-lg{margin-left:20px!important;}.ml-xl{margin-left:25px!important;}.ml-xlg{margin-left:30px!important;}.mr-xs{margin-right:5px!important;}.mr-sm{margin-right:10px!important;}.mr-md{margin-right:15px!important;}.mr-lg{margin-right:20px!important;}.mr-xl{margin-right:25px!important;}.mr-xlg{margin-right:30px!important;}.p-none{padding:0!important;}.p-xs{padding:5px!important;}.p-sm{padding:10px!important;}.p-md{padding:15px!important;}.p-lg{padding:20px!important;}.p-xl{padding:25px!important;}.p-xlg{padding:30px!important;}.pt-none{padding-top:0!important;}.pt-xs{padding-top:5px!important;}.pt-sm{padding-top:10px!important;}.pt-md{padding-top:15px!important;}.pt-lg{padding-top:20px!important;}.pt-xl{padding-top:25px!important;}.pt-xlg{padding-top:30px!important;}.pb-none{padding-bottom:0!important;}.pb-xs{padding-bottom:5px!important;}.pb-sm{padding-bottom:10px!important;}.pb-md{padding-bottom:15px!important;}.pb-lg{padding-bottom:20px!important;}.pb-xl{padding-bottom:25px!important;}.pb-xlg{padding-bottom:30px!important;}.pr-none{padding-left:0!important;padding-right:0!important;}.pl-xs{padding-left:5px!important;}.pl-sm{padding-left:10px!important;}.pl-md{padding-left:15px!important;}.pl-lg{padding-left:20px!important;}.pl-xl{padding-left:25px!important;}.pl-xlg{padding-left:30px!important;}.pr-xs{padding-right:5px!important;}.pr-sm{padding-right:10px!important;}.pr-md{padding-right:15px!important;}.pr-lg{padding-right:20px!important;}.pr-xl{padding-right:25px!important;}.pr-xlg{padding-right: 30px!important;}

/* loading */
.spinner {
  position: absolute;
  padding: 8px 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  text-align: center;
  font-size: 10px;
  cursor: not-allowed;
}
.spinner > div {
  background-color: white;
  height: 100%;
  width: 6px;
  display: inline-block;
  -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
  animation: stretchdelay 1.2s infinite ease-in-out;
}
.spinner .rect2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}
.spinner .rect3 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}
.spinner .rect4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}
.spinner .rect5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}
@-webkit-keyframes stretchdelay {
  0%, 40%, 100% { -webkit-transform: scaleY(0.4) }
  20% { -webkit-transform: scaleY(1.0) }
}
@keyframes stretchdelay {
  0%, 40%, 100% {
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }  20% {
    transform: scaleY(1.0);
    -webkit-transform: scaleY(1.0);
  }
}