.wraper {
  width: 100vw;
  height: 100vh;
  position: relative;
}
.wraper-bg {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
.wraper-bg img {
  display: block;
  width: 100%;
  height: 100%;
}
.marsk {
  width: 100%;
  height: 100%;
  position: absolute;
  background-color: rgba(0, 0, 0, 0.08);
  top: 0;
  left: 0;
  z-index: 2;
}
.star {
  width: 3px;
  height: 3px;
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  top: 10%;
  left: 10%;
  z-index: 3;
  box-shadow: 0 0px 13px 7px #fff;
  animation: lightStar 3s linear infinite;
}
@keyframes lightStar {
  0% {opacity: 0;}
  50% {opacity: 1;}
  100% {opacity: 0;}
}
.login-box {
  width: 400px;
  overflow: hidden;
  position: absolute;
  top: 18%;
  left: 50%;
  margin: 0 0 0 -200px;
  z-index: 3;
}
.login-logo {
  width: 80px;
  height: 80px;
  border-radius: 50px;
  background-color: #fff;
  margin: 0 auto;
  margin-bottom: 20px;
  overflow: hidden;
}
.login-logo img {
  display: block;
  transform: scale(1.2);
  width: 100%;
  height: 100%;
}
.login-form {
  width: 100%;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
}
.form-title {
  width: 100%;
  height: 30px;
  font-size: 18px;
  line-height: 30px;
  text-align: center;
  color: #fff;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 输入框 */
.form-item {
  width: 100%;
  height: 40px;
  background-color: #fff;
  margin-top: 20px;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
  border-radius: 20px;
  transition: box-shadow .6s ease-in-out;
}
.form-item.is-focus {
  box-shadow: 0 2px 15px 0 #00BCD4;
}
.icon-img {
  width: 20px;
  height: 20px;
  position: absolute;
  bottom: 10px;
  left: 20px;
  overflow: hidden;
}
.icon-img img {
  display: block;
  width: 100%;
  height: 100%;
}
.form-item input {
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
  box-sizing: border-box;
  background-color: transparent;
  padding: 5px 20px 5px 56px;
  font-size: 15px;
}
.yzm-input {
  padding: 5px 110px 5px 56px !important;
}
.code-img {
  width: 100px;
  height: 40px;
  box-sizing: border-box;
  padding: 5px;
  position: absolute;
  top: 0px;
  right: 0px;
  cursor: pointer;
}
.code-img img {
  display: block;
  width: 100%;
  height: 100%;
}
.submit {
  width: 100%;
  height: 40px;
  box-sizing: border-box;
  margin-top: 40px;
  border: 1px solid rgba(0, 0, 0, 0.5);
  border-radius: 20px;
  background-color: rgba(0, 0, 0, 0.7);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: border .4s ease-in-out;
}
.submit span {
  width: 100%;
  height: 100%;
  font-size: 16px;
  color: #fff;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform .4s ease-in-out;
}
.submit span.en-text {
  transform: translateY(-40px)
}
.submit.is-hover {
  border: 1px solid #fff;
}
.submit.is-hover span.en-text {
  transform: translateY(0)
}
.submit.is-hover span.cn-text {
  transform: translateY(40px)
}
/* 底部 */
.foot-copyRight {
  width: 100%;
  height: 30px;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 14px;
  color: #fff;
}