/* stylelint-disable at-rule-empty-line-before,at-rule-name-space-after,at-rule-no-unknown */
/* stylelint-disable no-duplicate-selectors */
/* stylelint-disable declaration-bang-space-before,no-duplicate-selectors */
/* stylelint-disable declaration-bang-space-before,no-duplicate-selectors */
.dt-back-top {
  font-family: "Helvetica Neue", Helvetica, Arial, "Monospaced Number", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Chinese Quote", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  margin: 0;
  padding: 0;
  list-style: none;
  z-index: 10;
  position: fixed;
  right: 100px;
  bottom: 50px;
  height: 40px;
  width: 40px;
  cursor: pointer;
}
.dt-back-top-content {
  height: 40px;
  width: 40px;
  border-radius: 20px;
  background-color: #505050;
  color: #fff;
  text-align: center;
  -webkit-transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  overflow: hidden;
}
.dt-back-top-content:hover {
  background-color: #333;
  -webkit-transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.dt-back-top-icon {
  margin: 12px auto;
  width: 14px;
  height: 16px;
  background: url(data:image/png;base64,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) 100%/100% no-repeat;
}
@media screen and (max-width: 768px) {
  .dt-back-top {
    right: 60px;
  }
}
@media screen and (max-width: 480px) {
  .dt-back-top {
    right: 20px;
  }
}
