.about-selection {
  border: 1px solid #d7dde2;
  width: 282px;
  margin-right: 104px;
  margin-bottom: auto;
  margin-top: 72px;
}
.about-selection a {
  padding: 18px 100px;
  color: #000;
  border-top: 1px solid #d7dde2;
  position: relative;
  font-size: 18px;
  line-height: 25px;
  white-space: nowrap;
}
.about-selection a:before {
  content: "";
  position: absolute;
  background-color: #4e5652;
  width: 4px;
  height: 4px;
  display: inline-block;
  top: 30px;
  margin-left: -15px;
}
.about-selection a:first-child {
  border-top: none;
  border-radius: 10px 10px 0 0;
}
.about-selection a:last-child {
  border-radius: 0 0 10px 10px;
}
.about-selection a:hover {
  text-decoration: none;
}
.about-selection a:hover:before {
  background-color: #F7FAFF;
}
.about-selection a.selected {
  background-color: #F7FAFF;
}
.about-selection a.selected:before {
  background-color: #F7FAFF;
}
.about-selection.qqxb {
  border: none;
  width: 207px;
  box-shadow: 0px 5px 22px 4px rgba(191, 214, 237, 0.3);
  border-radius: 10px;
  position: relative;
}
.about-selection.qqxb a {
  font-size: 16px;
  font-weight: 500;
  padding: 19px 50px;
  color: #000;
  border-top: none;
  padding-left: 78px;
  background-color: #fff;
}
.about-selection.qqxb a.selected {
  background-color: #F7FAFF;
}
.about-selection.qqxb a:before {
  background-repeat: no-repeat;
  background-color: transparent;
  display: inline-block;
  left: 60px;
}
.about-selection.qqxb a.about-us:before {
  background-image: url("https://static.qinqinxiaobao.com/flb-mp/img/official-site-2026/about/a3.png");
  width: 24px;
  height: 24px;
  background-size: 24px;
  top: 20px;
}
.about-selection.qqxb a.company-hrstory:before {
  background-image: url("https://static.qinqinxiaobao.com/flb-mp/img/official-site-2026/about/a4.png");
  width: 24px;
  height: 24px;
  background-size: 24px;
  top: 19px;
}
.about-selection.qqxb a.company-qualification:before {
  background-image: url("https://static.qinqinxiaobao.com/flb-mp/img/official-site-2026/about/a5.png");
  width: 24px;
  height: 24px;
  background-size: 24px;
  top: 19px;
}
.about-selection.qqxb a.contact-us:before {
  background-image: url("https://static.qinqinxiaobao.com/flb-mp/img/official-site-2026/about/a6.png");
  width: 24px;
  height: 33px;
  background-size: 24px 23px;
  top: 19px;
}
@media only screen and (min-device-width: 640px) and (max-device-width: 1000px) {
  .about-selection {
    margin-right: 54px;
  }
}