* {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
}

html{
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body{
  width: 100%;
  height: 100%;
  background-image:linear-gradient(to right, #fff 5px, transparent 1px), linear-gradient(#e3e7f0 1px, transparent 1px);
  background-size: 14px 48px;
  overflow: hidden;
}

.top{
  width: 100%;
  height: auto;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden;
}

.bottom{
  width: 100%;
  height: auto;
  position: absolute;
  bottom: 0px;
  right: 0;
  z-index: -1;
  overflow: hidden;
}

.footer{
  width: 100%;
  height: auto;
  font-size: 14px;
  line-height: 18px;
  color: #0d809b;
  text-align: center;
  position: absolute;
  bottom: 275px;
  z-index: -1;
  overflow: hidden;
}

.main{
  width: 100%;
  height: 100%;
  overflow: hidden;
  overflow-y: auto;
}

.logo{
  width: 100%;
  height: auto;
  margin: 90px 0 30px 0;
  padding: 0 10%;
  overflow: hidden;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.form{
  display: none;
  width: 100%;
  height: auto;
  overflow: hidden;
}
.form select, .form input{
  display: block;
  float: left;
  width: 70%;
  height: 48px;
  font-size: 16px;
  line-height: 48px;
  color: #333;
  text-align: center;
  background: #fff;
  -webkit-appearance: none; /* 去掉ios默认输入框自带样式 */
  box-shadow: 0px 0px 0px 6px rgba(0, 0, 0, 0.1);
  -webkit-box-shadow: 0px 0px 0px 6px rgba(0, 0, 0, 0.1);
  border-radius: 27px;
  border:none;
  margin: 15px 15%;
  cursor: pointer;
  overflow: hidden;
}

.answer{
  display: none;
  width: 100%;
  height: auto;
  overflow: hidden;
}
.answer .head{
  width: 100%;
  height: 64px;
  background: rgba(17,166,206,1);
  position: relative;
  overflow: hidden;
}
.answer .head .head_numder{
  width: 100%;
  height: 64px;
  font-size: 20px;
  line-height: 64px;
  color: #fff;
  text-align: center;
}
.answer .head .head_time{
  width: auto;
  height: 30px;
  font-size: 14px;
  line-height: 30px;
  color: #fff;
  text-align: center;
  background: rgba(255,255,255, 0.1);
  border-radius: 15px;
  padding: 0 15px;
  position: absolute;
  top: 17px;
  left: 30px;
}
.answer .head .head_right{
  width: auto;
  height: 30px;
  font-size: 14px;
  line-height: 30px;
  color: #fff;
  text-align: center;
  background: rgba(255,255,255, 0.1);
  border-radius: 15px;
  padding: 0 15px;
  position: absolute;
  top: 17px;
  right: 30px;
}
.answer .problems{
  width: 100%;
  height: auto;
  padding: 30px;
  font-size: 16px;
  line-height: 30px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
}
.answer .option{
  width: 100%;
  height: auto;
  overflow: hidden;
}
.answer .option .option_item{
  display: block;
  float: left;
  width: 70%;
  height: auto;
  min-height: 24px;
  font-size: 16px;
  line-height: 24px;
  color: #333;
  text-align: center;
  background: #fff;
  -webkit-appearance: none; /* 去掉ios默认输入框自带样式 */
  box-shadow: 0px 0px 0px 6px rgba(0, 0, 0, 0.1);
  -webkit-box-shadow: 0px 0px 0px 6px rgba(0, 0, 0, 0.1);
  border-radius: 36px;
  border:none;
  margin: 15px 15%;
  padding: 12px 15px;
  cursor: pointer;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
}
.answer .option .option_item.action{
  background: #0d809b;
  color: #fff;
}

.tips{
  display: none;
  width: 100%;
  height: auto;
  overflow: hidden;
}
.tips .icon_success{
  width: 100%;
  height: 140px;
  background: url("../images/icon_success.png") center no-repeat;
  background-size: auto 80%;
  overflow: hidden;
}
.tips .icon_fail{
  width: 100%;
  height: 140px;
  background: url("../images/icon_fail.png") center no-repeat;
  background-size: auto 80%;
  overflow: hidden;
}
.tips .title{
  width: 100%;
  height: 48px;
  font-size: 24px;
  line-height: 48px;
  color: #0d809b;
  text-align: center;
  overflow: hidden;
}

.btn{
  display: block;
  float: left;
  width: 70%;
  height: 54px;
  font-size: 20px;
  line-height: 54px;
  color: #fff;
  text-align: center;
  background: #11a6ce;
  -webkit-appearance: none; /* 去掉ios默认输入框自带样式 */
  box-shadow: 0px 0px 0px 6px rgba(0, 0, 0, 0.1);
  -webkit-box-shadow: 0px 0px 0px 6px rgba(0, 0, 0, 0.1);
  border-radius: 27px;
  border: none;
  margin: 30px 15%;
  cursor: pointer;
  overflow: hidden;
}
#btn_pre{
  background: rgba(17,166,206,0.5);
}