.navs {
  position: fixed;
  top: 0;
  width: 100vw;
  height: 8.8rem;
  display: flex;
  z-index: 3;
  background: #fff;
  justify-content: center;
}
.navs .navs-box {
  width: 144rem;
  height: 100%;
  display: flex;
  align-items: center;
}
.navs .navs-box .logo {
  width:4.5rem;
  height: 4.5rem;
}
.navs .navs-box .link-box {
  position: relative;
  margin-left: 9rem;
  display: flex;
  align-items: center;
}
.navs .navs-box .link-box a {
  position: relative;
  color: #2e2e30;
  font-size: 1.6rem;
}
.navs .navs-box .link-box a:hover {
  color: #5155ff;
}
.navs .navs-box .link-box .under-line {
  position: absolute;
  width: 6.4rem;
  height: 0.2rem;
  background: #5155ff;
  bottom: -3.3rem;
}
.navs .navs-box .active {
  color: #5155ff !important;
  font-weight: bold;
}
.navs .navs-box .login-register-btn {
  margin-left: auto;
  width: 12.6rem;
  height: 4.4rem;
  background: #5155ff;
  border: 1px solid #5155ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 400;
  color: #ffffff;
  border-radius: 0.8rem;
  cursor: pointer;
}
.navs .navs-box .login-register-btn:hover {
  background: #484bf2;
}
.section-title {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.section-title span {
  margin: 0 1.6rem;
  height: 5.6rem;
  font-size: 4rem;
  font-weight: bold;
  line-height: 5.6rem;
  color: #2e2e30;
}
.footer-box {
  width: 100%;
  height: 47.5rem;
}
.footer-box .company-info-box {
  width: 100%;
  height: 41.1rem;
  background: #2e2e30;
}
.footer-box .company-info-box .info-wrap {
  width: 144rem;
  height: 100%;
  margin: 0 auto;
  padding-top: 5.8rem;
}
.footer-box .company-info-box .info-wrap .logo-title {
  display: flex;
  align-items: center;
}
.footer-box .company-info-box .info-wrap .logo-title .logo {
  margin-left: 0.4rem;
  width: 4.5rem;
  height: 4.5rem;
}
.footer-box .company-info-box .info-wrap .logo-title .solgn {
  height: 3.6rem;
  line-height: 3.6rem;
  font-size: 2.4rem;
  font-weight: bold;
  color: #ffffff;
}
.footer-box .company-info-box .info-wrap .logo-title .divider {
  display: inline-block;
  width: 0.2rem;
  height: 4rem;
  background: #464648;
  margin: 0 2rem;
}
.footer-box .company-info-box .info-wrap .content-box {
  margin-top: 4rem;
  display: flex;
}
.footer-box .company-info-box .info-wrap .content-box .box .title {
  height: 2.2rem;
  font-size: 1.6rem;
  font-weight: bold;
  line-height: 2.2rem;
  color: #ffffff;
  margin-bottom: 2.4rem;
}
.footer-box .company-info-box .info-wrap .content-box .box .item {
  height: 2rem;
  font-size: 1.4rem;
  font-weight: 400;
  width: 100%;
  line-height: 2rem;
  color: #696a70;
  margin-bottom: 0.8rem;
  cursor: pointer;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.footer-box .company-info-box .info-wrap .content-box .box .item .contact {
  font-size: 2.4rem;
  font-weight: bold;
  color: #ffffff;
}
.footer-box .company-info-box .info-wrap .content-box .box1 {
  width: 19.3rem;
  flex-shrink: 0;
}
.footer-box .company-info-box .info-wrap .content-box .box2 {
  width: 16.5rem;
  flex-shrink: 0;
  margin-left: 10rem;
}
.footer-box .company-info-box .info-wrap .content-box .box3 {
  width: 42rem;
  flex-shrink: 0;
  margin-left: 10rem;
}
.footer-box .company-info-box .info-wrap .content-box .box4 {
  margin-left: 10rem;
}
.footer-box .company-info-box .info-wrap .content-box .box4 .qrcode-box {
  display: flex;
}
.footer-box .company-info-box .info-wrap .content-box .box4 .qrcode-box img {
  width: 12rem;
  height: 12rem;
}
.footer-box .company-info-box .info-wrap .content-box .box4 .qrcode-box .name {
  margin-top: 0.8rem;
  width: 100%;
  text-align: center;
  height: 2rem;
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 2rem;
  color: #ffffff;
}
.footer-box .copyright-box {
  width: 100%;
  height: 6.4rem;
  background: #3d3d40;
  display: flex;
  justify-content: center;
  font-size: 1.4rem;
  line-height: 6.4rem;
  font-weight: 400;
  color: #ffffff;
}
html::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
html::-webkit-scrollbar-thumb {
  background: #5155ff;
  background: #5155ff;
  border-radius: 5px;
  box-shadow: #5155ff;
}
html::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.25);
}

.back-top {
  width: 7.2rem;
  height: 7.2rem;
  background: #ffffff;
  box-shadow: 0 1rem 2rem rgba(46, 46, 48, 0.1);
  opacity: 1;
  border-radius: 2rem;
  position: fixed;
  z-index: 4;
  right: 5rem;
  bottom: 5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  cursor: pointer;
  padding:1rem 2rem;
  display: none;
}

.back-top .icon-back {
  width: 3.2rem;
  height: 3.2rem;
}

.back-top .tip {
  width: 100%;
  text-align: center;
  font-size: 1.4rem;
  font-weight: bold;
  color: #5155ff;
}