* {
  padding: 0;
  margin: 0;
}

html,
body {
  width: 100%;
  min-height: 100vh;
}

.main {
  width: 100%;
  height: 100%;
  background-color: #bfd1f7;
  margin: 0px;
  background-image: url(../images/bg.jpg);
  background-position: top center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  padding-bottom: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title_box {
  width: 90%;
  margin-top: 110vw;
}

.title_box .img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.body_box {
  margin-top: 15px;
  width: 90%;
  background-color: #f7f7f7;
  border-radius: 10px;
  padding-top: 10px;
  padding-bottom: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.body_box .input_box {
  width: 70%;
  margin-top: 20px;
}

.body_box .input_box .input_style {
  width: 98%;
  height: 40px;
  border: none;
  font-size: 1rem;
  display: inline-block;
  text-indent: 10px;
  background-color: #cacaca;
  border-radius: 5px;
  text-align: center;
  outline: none;
}

.body_box .submit_btn {
  margin-top: 20px;
  width: 70%;
  margin-bottom: 10px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 1rem;
  font-weight: 400;
  color: #fff;
  background-color: #fd4a7f;
  border-radius: 5px;
}

.body_tips {
  width: 90%;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  color: #000;
}

.body_tips .protocol {
  color: #0606d8;
  text-decoration: underline;
}