.content {
  width: 100%;
  background: url(../img/home_bg.jpg) no-repeat;
  background-size: 100%;
  margin-bottom: 8.75rem;
  transition: all 0.5s;
}
.content .top-main {
  height: 5rem;
  padding: 0 10rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.content .top-main .logo img {
  height: 2.5rem;
  margin-right: 2.5rem;
}
.content .top-main .tel img {
  vertical-align: middle;
  width: 1.25rem;
  margin-right: 0.3125rem;
}
.content .top-main .tel span {
  font-family: 'Source Han Sans CN';
  font-size: 0.875rem;
  color: #303133;
}
.content .about {
  width: 80.25rem;
  margin: 3.125rem auto 0;
  display: flex;
  justify-content: space-between;
}
.content .about .title p:nth-child(1) {
  font-family: 'Source Han Sans CN';
  font-size: 1.375rem;
  color: #5a7399;
}
.content .about .title p:nth-child(2) {
  margin-top: 1.25rem;
  font-family: 'Arial';
  color: #021f4d;
  font-size: 5.5rem;
  font-weight: bold;
}
.content .about .main {
  width: 44rem;
}
.content .about .main .tit {
  position: relative;
  padding-left: 3.75rem;
}
.content .about .main .tit::before {
  content: '';
  position: absolute;
  left: 0;
  top: 24%;
  width: 3.125rem;
  border: 1px solid #19c186;
}
.content .about .main .tit p:nth-child(1) {
  font-size: 1.75rem;
  color: #19c186;
  font-family: 'Source Han Sans CN';
  font-weight: bold;
}
.content .about .main .tit p:nth-child(2) {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  font-family: 'Arial';
  color: #5a7399;
}
.content .about .main .text {
  margin-top: 1.25rem;
}
.content .about .main .text p {
  font-family: 'Source Han Sans CN';
  font-size: 1rem;
  color: #021f4d;
  line-height: 1.375rem;
}
.content .actives {
  width: 87.5rem;
  display: flex;
  justify-content: center;
  margin: 60px auto 0;
}
.content .actives a {
  text-decoration: none;
  color: #000;
}
.content .actives .act-li {
  width: 27.5rem;
  height: 25rem;
  border-radius: 0.625rem;
  box-shadow: 0 0px 0.625rem #ccc;
  background-color: #fff;
  padding: 1.25rem;
  margin: 1.25rem;
  cursor: pointer;
}
.content .actives .act-li:hover {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.32);
}
.content .actives .act-li img {
  border-radius: 0.3125rem;
  width: 100%;
}
.content .actives .act-li .text {
  font-family: 'Source Han Sans CN';
  font-size: 1.5rem;
  line-height: 5rem;
  text-align: center;
  font-weight: bold;
}
.bottom-main {
  width: 100%;
  background-color: #303133;
  text-align: center;
  line-height: 2.5rem;
}
.bottom-main span {
  font-size: 0.75rem;
  font-family: 'Segoe UI';
  color: #fff;
  opacity: 0.6;
}
.menu {
  width: 50px;
  background-color: #fff;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.16);
  border-radius: 4px 0 0 4px;
  position: fixed;
  right: 0;
  bottom: 10%;
}
.menu .menu-li {
  text-align: center;
  padding: 0 0.9375rem;
}
.menu .menu-li:nth-child(1) img {
  border-bottom: 1px solid #c0c4cc;
}
.menu .menu-li:nth-child(2) img {
  border-bottom: 1px solid #c0c4cc;
}
.menu .menu-li:hover {
  background-color: #eee;
}
.menu .menu-li img {
  width: 1.25rem;
  padding-top: 15px;
  padding-bottom: 15px;
}

@media screen and (max-width: 750px) {
.content {
  width: 100%;
  background: url(../img/home_bg.jpg) no-repeat;
  background-size: contain;
  margin-bottom: 10rem;
}
.content .top-main {
  height: 15rem;
  padding: 2.5rem;
  display: block;
}
.content .top-main .logo {
  height: 100%;
}
.content .top-main .logo img {
  height: 100%;
  margin-right: 5rem;
}
.content .top-main .tel img {
  width: 5rem;
  margin-right: 1rem;
}
.content .top-main .tel{
  margin-top: 3rem;
}
.content .top-main .tel span {
  font-size: 5rem;
}
.content .about {
  width: 100%;
  margin: 0 auto;
  display: block;
  padding-top: 100px;
}
.content .about .title p:nth-child(1) {
  font-size: 10rem;
  text-align: center;
  margin-top: 30rem;
}
.content .about .title p:nth-child(2) {
  margin-top: 5rem;
  font-size: 5rem;
  text-align: center;
}
.content .about .main {
  width: 100%;
}
.content .about .main .tit {
  padding-left: 0;
  text-align: center;
}
.content .about .main .tit::before{
  display: none;
}
.content .about .main .tit p:nth-child(1) {
  font-size: 6rem;
  margin-top: 5rem;
}
.content .about .main .tit p:nth-child(2) {
  margin-top: 1rem;
  font-size: 5rem;
}
.content .about .main .text {
  margin-top: 10rem;
  padding: 0 5rem;
}
.content .about .main .text p {
  font-size: 5rem;
  line-height: 8rem;
}

.menu .menu-li img {
  width: 6rem;
  padding-top: 10px;
  padding-bottom: 10px;
}
.content .actives {
  width: 100%;
  display: block;
  padding: 0 5rem;
}
.content .actives .act-li {
  width: 100%;
  height: auto;
  border-radius: 1rem;
  padding: 5rem 5rem 0;
  margin: 0 0 10rem;
}
.content .actives .act-li img {
  border-radius: 1rem;
  width: 100%;
}
.content .actives .act-li .text {
  font-size: 5rem;
  line-height: 10rem;
}
.bottom-main {
  line-height: 5rem;
  padding: 5rem 4rem;
}
.bottom-main span {
  font-size: 4rem;
}



}