body {
  width: 100vw;
  height: 100vh;
  background: linear-gradient(45deg, #120a33, #071c9c, #0548ca, #06c4d4);
}
.login_box {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  min-width: 300px;
  padding: 40px 50px;
  box-sizing: border-box;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  transition: 0.3s;
  box-shadow: 0 16px 20px 0 rgba(0, 0, 0, 0.2);
  text-align: center;
}
.login_box h2 {
  margin-bottom: 30px;
}
.login_box .input_info {
  -webkit-appearance: none;
  background-color: #fff;
  background-image: none;
  border-radius: 12px;
  border: 1px solid #dcdfe6;
  box-sizing: border-box;
  color: #606266;
  height: 40px;
  line-height: 40px;
  outline: 0;
  width: 100%;
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  transition: 0.3s;
}
.login_box .input_info i {
  display: block;
  position: absolute;
  z-index: 10;
  left: 10px;
  font-size: 20px;
}
.login_box .input_info input {
  box-sizing: border-box;
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  padding-left: 40px;
  padding-right: 20px;
  outline: none;
  border: none;
  color: #333;
}
.login_box .code_info {
  height: 40px;
  line-height: 40px;
  outline: 0;
  width: 100%;
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  transition: 0.3s;
}
.login_box .code_info input {
  display: block;
  -webkit-appearance: none;
  background-color: #fff;
  background-image: none;
  border-radius: 12px;
  border: 1px solid #dcdfe6;
  box-sizing: border-box;
  height: 40px;
  line-height: 40px;
  outline: 0;
  padding: 0 20px;
  width: 70%;
  outline: none;
  color: #333;
  transition: 0.3s;
}
.login_box .code_info .code_box {
  width: 35%;
  height: 40px;
  line-height: 40px;
  background: #409eff;
  color: #fff;
  border-radius: 12px;
  cursor: pointer;
  font-size: 12px;
}
.login_box .input_info:hover {
  border: 1px solid #409eff;
}
.login_box .code_info:hover input {
  border: 1px solid #409eff;
}
.login_box .submit_btn {
  display: inline-block;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  outline: 0;
  margin: 0;
  font-weight: 500;
  padding: 12px 20px;
  font-size: 14px;
  border-radius: 12px;
  width: 100%;
  color: #fff;
  /* background: #409eff; */
  background-color: #409eff;
  border-color: #409eff;

}
@media (max-width: 980px) {
  .login_box {
    width: 400px;
    min-width: 300px;
    padding: 40px 50px;
  }
}
@media (max-width: 768px) {
  .login_box {
    width: 90%;
    padding: 20px;
    top: 50%;
    transform: translate(-50%, -50%);
  }
}