* {
  margin: 0;
  padding: 0;
}

.top_content {
  border-bottom: 2px dotted #ccc;
  margin: 0 0 30px 0;
}

.artt_title {
  padding: 10px 0;
  margin: 0;
  text-align: center;
  line-height: 1.48;
}

.user_bar {
  text-align: right;
  font-size: 20px;
  color: #355e92;
  margin-right: 10px;
  margin-bottom: 10px;
  cursor: pointer;
}

.user_bar:hover {
  text-decoration: underline;
}

.input-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.input-row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
}

.input-row label {
  font-size: 18px;
  height: 60px;
  width: 150px;
  text-align: right;
  margin-right: 20px;
  margin-bottom: 0;
  line-height: 60px;
}

.input-row label span {
  color: red;
  margin-right: 5px;
}

.input-row div {
  width: 350px;
}

.input-row div input:nth-child(1) {
  width: 100%;
  height: 40px;
  line-height: 40px;
  border: 1px solid rgba(235, 237, 239, 1);
  transition: 0.4s;
  text-indent: 8px;
  box-sizing: border-box;
  background-color: #f8f8f8;
}

.input-row div select:nth-child(1) {
  width: 100%;
  height: 40px;
  line-height: 40px;
  border: 1px solid rgba(235, 237, 239, 1);
  transition: 0.4s;
  text-indent: 3px;
  box-sizing: border-box;
  background-color: #f8f8f8;
}

.input-row div textarea:nth-child(1) {
  width: 100%;
  height: 120px;
  max-width: 350px;
  min-width: 350px;
  min-height: 60px;

  border: 1px solid rgba(235, 237, 239, 1);
  transition: 0.4s;
  text-indent: 8px;
  box-sizing: border-box;
  background-color: #f8f8f8;
}

.button-row {
  text-align: center;
}

.button-row button {
  background-color: #355e92;
  height: 50px;
  width: 200px;
  color: #fff;
  border-radius: 10px;
  font-size: 18px;
  margin-top: 30px;
}

.button-row button:hover {
  color: #fff;
  background-color: #355d92d5;
}

.button-row button:focus {
  color: #fff;
  border: none;
}

/* 加载动画 */
.loading {
  display: none;
  background: rgba(255, 255, 255, 0.7);
  position: fixed;
  z-index: 100;
  width: 100%;
  height: 100vh;
}

.spinner {
  margin: 0 auto;
  margin-top: calc(50vh - 30px);
  width: 50px !important;
  height: 60px !important;
  font-size: 10px;
  display: flex;
  justify-content: space-evenly;
}

.spinner > div {
  background-color: #4e97ff;
  height: 100%;
  width: 6px;
  display: inline-block;
  -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
  animation: stretchdelay 1.2s infinite ease-in-out;
}

.spinner .rect2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}

.spinner .rect3 {
  -webkit-animation-delay: -1s;
  animation-delay: -1s;
}

.spinner .rect4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}

.spinner .rect5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}

@-webkit-keyframes stretchdelay {
  0%,
  40%,
  100% {
    -webkit-transform: scaleY(0.4);
  }

  20% {
    -webkit-transform: scaleY(1);
  }
}

@keyframes stretchdelay {
  0%,
  40%,
  100% {
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }

  20% {
    transform: scaleY(1);
    -webkit-transform: scaleY(1);
  }
}