/* 中间主题 */
.main {
  width: 100%;
  background: #f8f8f8;
}
.main-center {
  width: 1500px;
  margin: 0 auto;
}
.main-title {
  width: 100%;
  height: 60px;
  line-height: 60px;
  text-align: center;
  background-color: #fff;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}
.main-questions {
  margin-top: 30px;
  width: 100%;
}
.main-questions form {
  width: 100%;
}
.main-questions-title {
  height: 54px;
  width: 100%;
  line-height: 54px;
  padding-left: 30px;
  box-sizing: border-box;
  background-color: #F1F2F7;
  user-select: none;
}
.main-questions-select {
  height: 54px;
  width: 100%;
  display: flex;
  align-items: center;
  background: #FFFFFF;
}
.main-questions-option {
  flex: 1 0 auto;
  padding-left: 70px;
  box-sizing: border-box;
  cursor: pointer;
}
.main-questions-option.option-active {
  color: #CC5656;
  font-weight: 500;
} 


/* 页脚 */
.footer {
  width: 100%;
  height: 80px;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer-center {
  font-size: 20px;
  color: #333333;
}

.backtop {
  background-color: #9a9ca3;
  width: 50px;
  height: 50px;
  position: fixed;
  top: 787px;
  right: 150px;
  cursor: pointer;
}