.banner{
  margin-top: 90px;
  height: 240px;
  background: url(/img/case/case.jpg);
  background-position: center;
  background-repeat: no-repeat;  
}
.banner .title{
  text-align: center;
  line-height: 240px;
}
.banner span{
  color: #fff;
  font-size: 40px;
}
.trial{
  width: 600px;
  margin-top: 90px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.form{
  margin-top: 30px;
}
form{
  display: flex;
  flex-direction: column;
}
form input,form select{
  height: 45px;
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 45px;
  border: 1px solid #b4b4b4;
  outline: none;
}
input:-webkit-autofill { box-shadow: 0 0 0px 1000px white inset !important;}
#welcome{
  height: 45px;
  margin-top: 30px;
  font-size: 24px;
  color: #fff;
  background-color: #003399;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
#result{
  display: none;
  margin-top: 30px;
  height: 45px;
  font-size: 24px;
  color: #fff;
  background-color: #003399;
  border: none;
  border-radius: 6px;
}