.top-main {
  height: 5rem;
  width: 100%;
  padding: 0 10rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #b33446;
  transition: all 0.5s;
  z-index: 123;
}
.top-main .logo img {
  height: 2.5rem;
  margin-right: 1.25rem;
}
.top-main #btn {
  display: none;
}
.top-main .navs {
  display: flex;
}
.top-main .navs a {
  text-decoration: none;
}
.top-main .navs li {
  font-size: 1rem;
  font-family: 'Source Han Sans CN';
  color: #fff;
  margin: 0.625rem;
  line-height: 5rem;
  cursor: pointer;
}
.top-main .navs li:hover {
  position: relative;
  font-weight: bold;
}
.top-main .navs li:hover::before {
  position: absolute;
  top: 0;
  width: 100%;
  content: '';
  border-top: 0.1875rem solid #fff;
}
.top-main .navs .active {
  position: relative;
  font-weight: bold;
}
.top-main .navs .active::before {
  position: absolute;
  top: 0;
  width: 100%;
  content: '';
  border-top: 0.1875rem solid #fff;
}
.top-main2 {
  background-color: #349eb3 !important;
}
.top-main3 {
  background-color: #fff !important;
}
.top-main3 .navs li {
  color: #000;
}
.top-main3 .navs li:hover {
  color: #19c186;
}
.top-main3 .navs li:hover::before {
  border-top: 0.1875rem solid #19c186;
}
.top-main3 .navs .active {
  color: #19c186;
}
.top-main3 .navs .active::before {
  border-top: 0.1875rem solid #19c186;
}
.footer {
  width: 100%;
  background-color: #303133;
  color: #fff;
}
.footer .main {
  display: flex;
  justify-content: space-around;
  padding: 3.75rem 0;
}
.footer .main .left {
  font-family: 'Source Han Sans CN';
}
.footer .main .left h3 {
  font-size: 1.25rem;
  font-weight: bold;
}
.footer .main .left .img {
  width: 7.5rem;
  margin-top: 3.125rem;
}
.footer .main .left .img img {
  width: 100%;
}
.footer .main .left .img p {
  margin-top: 0.625rem;
  font-size: 0.75rem;
  opacity: 0.6;
  text-align: center;
}
.footer .main .center {
  font-family: 'Source Han Sans CN';

}
.footer .main .center h4 {
  font-size: 1.2rem;
  opacity: 0.4;
}
.footer .main .center p {
  margin-top: 1.5625rem;
    font-size: 1rem;
}
.footer .main .center a {
  text-decoration: none;
  color: #fff;
}
.footer .main .right {
  font-family: 'Source Han Sans CN';
  font-size: 0.6rem;
}
.footer .main .right p {
  margin-bottom: 25px;
}
.footer .main .right p img {
  vertical-align: middle;
  width: 1.25rem;
  margin-right: 0.625rem;
}
.footer .main .right p .tel {
  padding-left: 1.875rem;
  font-size: 1.2rem;
  font-weight: bold;
}
.footer .beian {
  text-align: center;
  line-height: 2.5rem;
}
.footer .beian span {
  font-size: 0.75rem;
  font-family: 'Segoe UI';
  opacity: 0.6;
}
.contentbg img {
  width: 100%;
  display: block;
}
@media (min-width: 1400px) {
  html {
    font-size: 16px;
  }
}
@media (min-width: 1024px) and (max-width: 1400px) {
  html {
    font-size: 13px;
  }
  .top-main {
    padding: 0 4rem;
  }
}
@media (min-width: 768px) and (max-width: 1024px) {
  html {
    font-size: 10px;
  }
  .top-main {
    padding: 0 3rem;
  }
}
@media (min-width: 576px) and (max-width: 768px) {
  html {
    font-size: 8px;
  }
  .top-main {
    padding: 0 3rem;
  }
}
@media screen and (max-width: 576px) {
  html {
    font-size: 10px;
  }
  body {
    width: 100%;
    overflow-x: hidden;
  }
  .top-main {
    padding: 5px 10px;
    height: 13.3333vw;
    position: relative;
    z-index: 123;
  }
  .top-main .logo img {
    height: 6.4vw;
  }
  .top-main #btn {
    width: 6.4vw;
    height: 6.4vw;
    background: url(../img/menu.png) no-repeat;
    background-size: 100%;
    display: block;
  }
  .top-main .btn2 {
    background: url(../img/menu2.png) no-repeat !important;
    background-size: 100% !important;
  }
  .top-main .navs {
    display: block;
    position: fixed;
    width: 100%;
    background-color: #b33446;
    top: 13.3333vw;
    right: -100%;
    text-align: center;
    transition: all 1s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  }
  .top-main .navs li:hover::before {
    border-top: 0 solid #fff;
  }
  .top-main .navs .active {
    position: relative;
    font-weight: bold;
  }
  .top-main .navs .active::before {
    border-top: 0px solid #fff;
  }
  .top-main .navs .active::after {
    position: absolute;
    bottom: 0px;
    left: 0;
    width: 100%;
    content: '';
    border-top: 1px solid #fff;
  }
  .top-main .navs2 {
    background-color: #349eb3;
  }
  .top-main .navs3 {
    background-color: #fff;
  }
  .top-main .navs3 .active {
    position: relative;
    font-weight: bold;
  }
  .top-main .navs3 .active::before {
    border-top: 0px solid #19c186;
  }
  .top-main .navs3 .active::after {
    position: absolute;
    bottom: 0px;
    left: 0;
    width: 100%;
    content: '';
    border-top: 1px solid #19c186;
  }
  .footer {
    padding-bottom: 2vw;
  }
  .footer .main {
    display: block;
    padding: 5vw;
  }
  .footer .main .left {
    text-align: center;
  }
  .footer .main .left .img {
    display: inline-block;
    margin-top: 2.6667vw;
  }
  .footer .main .center {
    display: none;
  }
  .footer .main .right {
    margin-top: 6.6667vw;
  }
  .footer .main .right p {
    margin-bottom: 3vw;
  }
  .footer .main .right p img {
    width: 2.6667vw;
  }
}