footer a:hover {
  color: #ff5e10 !important;
}
footer .copyright a {
  color: #fff;
  font-size: 14px;
  vertical-align: middle;
}
footer .copyright a:hover {
  color: #ff5e10;
}
footer .copyright img {
  width: 30px;
  height: auto;
  vertical-align: middle;
}
footer .connect p {
  line-height: 2rem;
  color: #7f7f7f;
}
footer .connect p .iconfont {
  color: #fff;
  padding: 0.4rem;
  border-radius: 50%;
  background-color: #ff5e10;
  margin-right: 0.5rem;
  font-size: 12px;
}
footer .connect a {
  position: relative;
}
footer .connect a .QR {
  display: none;
  position: absolute;
  bottom: calc(100% + 20px);
  left: 50%;
  transform: translate(-50%, 0);
  background-color: #bfbfbf;
  padding: 10px;
  border-radius: 4px;
}
footer .connect a .QR .iconfont {
  position: absolute;
  font-size: 14px;
  bottom: -10px;
  left: 50%;
  transform: translate(-50%, 0);
  color: #bfbfbf;
}
footer .connect a:hover .QR {
  display: block;
}
footer .connect a > .iconfont {
  display: inline-block;
  color: #2d2d2d;
  padding: 0.4rem;
  border-radius: 4px;
  line-height: 26px;
  width: 26px;
  padding: 0;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.7);
  margin-right: 0.5rem;
  font-size: 16px;
}
footer .knowledge {
  border-top: 1px solid #3f3f3f;
  display: block;
  width: 100%;
}
footer .knowledge ul {
  text-align: left;
}
footer .knowledge li {
  display: inline-block;
}
footer .knowledge li a {
  color: #7f7f7f;
}
footer .knowledge li:first-child a {
  color: #fff;
}
footer .knowledge li + li {
  margin-left: 30px;
}
footer ul {
  vertical-align: top;
  display: inline-block;
  text-align: center;
}
footer ul li {
  line-height: 2rem;
}
footer ul li a {
  color: #7f7f7f;
}
footer ul li:first-child a {
  color: #fff;
}
@media (max-width: 960px) {
  footer .ul_box {
    display: none !important;
  }
}