.clearfix::after {
  clear: both;
  content: ".";
  display: block;
  height: 0;
  visibility: hidden;
}

.clearfix {
  zoom: 1;
}
/*返回顶部+联系我们*/
#toTop {
  position: fixed;
  bottom: 35%;
  right: 3px;
  width: 48px;
  height: 50px;
  background: url(../img/index/top.png) no-repeat #fff 14px 19px;
  border-radius: 4px;
  box-shadow: 0px 2px 6px 0px rgba(0, 0, 0, 0.2);
  display: none;
}

#contactUs {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 143px;
  background: url(../img/index/contactUs.png) no-repeat;
  border-radius: 4px;
  padding: 54px 17px 15px;
}

#contactUs a {
  color: #181818;
  font-size: 14px;
  text-decoration: none;
}

#contact-details {
  width: 220px;
  height: 140px;
  background-color: #fff;
  padding: 20px 0 20px 20px;
  box-sizing: border-box;
  position: fixed;
  bottom: 0;
  left: 73px;
  border-radius: 4px;
  display: none;
  box-shadow: 0px 2px 6px 0px rgba(0, 0, 0, 0.2);
}

.after-img,
.pre-img {
  float: left;
  margin-right: 20px;
}

.after-text,
.pre-text {
  float: left;
}

.after-text .after-text1,
.pre-text .pre-text1 {
  font-size: 14px !important;
  color: #181818 !important;
  margin-bottom: 6px !important;
  margin-top: 0 !important;
}

.after-text .after-text1:hover,
.pre-text .pre-text1:hover {
  color: #0fc18a !important;
  cursor: pointer;
}

.after-text .after-text2 {
  font-size: 12px !important;
  font-weight: bold !important;
  color: #0fc18a !important;
  margin: 10px 0 30px 0 !important;
}

/*导航*/
.nav-menu {
  padding-top: 50px;
  width: 100%;
  height: 370px;
  background-color: #20232a;
  position: absolute;
  top: 64px;
  left: 0;
  box-sizing: border-box;
  display: none;
}

.nav-menu-content {
  width: 60%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.nav-menu li {
  margin-bottom: 14px;
}

.nav-menu a {
  color: #999;
  text-decoration: none;
}

.nav-menu a:hover {
  color: #10c18b;
}

.nav-mark {
  width: 33px;
  height: 14px;
  display: inline-block;
  margin-left: 8px;
  background-color: #f75130;
  color: #fff;
  font-size: 12px;
  font-weight: 400;
  line-height: 14px;
  text-align: center;
}

.nav-menu-solution .nav-menu-content {
  width: 40%;
}
.nav-title {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid #373940;
}

.nav-menu-product {
  height: 420px;
}

.nav-menu-box {
  margin-bottom: 30px;
}
.nav-active {
  color: #10c18b !important;
}
@media screen and (max-width: 1400px) {
  .nav-menu-solution .nav-menu-content {
    width: 70%;
  }
  .nav-menu-content {
    width: 95%;
  }
}
@media screen and (max-width: 1200px) {
  .nav-menu-solution .nav-menu-content {
    width: 80%;
  }
  .nav-menu-content {
    width: 95%;
  }
}
@media screen and (max-width: 768px) {
  .nav-menu-solution .nav-menu-content {
    display: block;
  }
  .nav-menu-content {
    display: block;
  }
}