.box{
    overflow:hidden;
}
/* 内容样式 */
.content {
  width: 100%;
  overflow: hidden;
}
.title {
  width: 100%;
  height: 38vw;
  background: url('../images/product/header.png') no-repeat;
  background-size: 100% 100%;
  display: flex;
  justify-content: center;
  align-items: center;
    font-size: 48px;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 44px;
    text-shadow: 0px 2px 25px rgba(0, 0, 0, 0.28);
}

section nav {
  width: calc(100% - 248px);
  height: 6.25vw;
  background-color: #fff;
  margin: auto;
  display: flex;
  justify-content: center;
  margin-top: -76px;
  box-shadow: 0px 2px 25px rgba(0, 0, 0, 0.28);
}
section nav a {
  width: 100%;
  height: 6.25vw;
  text-align: center;
  line-height: 6.25vw;
  font-weight: 600;
  color: #666666;
  font-size: 18px;
  background-color: #fff;
  cursor: pointer;
}

section nav a:hover,
.active {
  color: #fff;
  background-color: #f4a200;
}

.default {
  width: calc(100% - 248px);
  overflow: hidden;
  margin: auto;
  margin-top: 4.5vw;;
}

.default h2 {
  font-weight: 600;
  color: #333333;
  line-height: 50px;
  font-size: 36px;
}

.default h5 {
  line-height: 50px;
  font-size: 14px;
  color: #333333;
}

.default p {
  width: 80px;
  height: 2px;
  background: #f4a200;
  margin-top: 24px;
}

.default ul {
  margin-top: 60px;
  display: flex;
  justify-content: space-between;
  overflow: hidden;
  margin-bottom: 40px;
}
.default ul li {
  width: 30%;
  overflow: hidden;
}
.default ul li img {
  width: 100%;
}
.default ul li h6 {
  height: 120px;
  padding: 28px 20px;
  color: #666666;
  font-size: 18px;
  box-sizing: border-box;
  text-align: center;
}

.enterprise {
  margin-bottom: 0;
}
.enterprise ul li img {
  width: 100%;
}
.enterprise ul li {
  overflow: hidden;
}
.enterprise ul li h3 {
  font-size: 24px;
  font-weight: 600;
  color: #333333;
  line-height: 36px;
  margin-top: 17px;
  margin-left: 12px;
}
.enterprise ul li h5 {
  font-size: 18px;
  color: #333333;
  margin-left: 12px;
  line-height: 36px;
}

.domain {
  margin-top: 20px !important;
}
.domainUl{
  width: calc(100% - 200px);
  margin: auto;
  margin-top: 60px;
  display: list-item;
}

.domainUl li {
  width: 100%;
  height: 420px;
  margin-bottom: 28px;
}
.domainUl li img {
  float: left;
  width: 43%!important;
}
.domainUl li div {
  margin-top: 100px;
  float: right;
  width: 43%;
}
.domainUl li:nth-child(even) img {
  float: right;
}
.domainUl li:nth-child(even) div {
  float: left;
}
.domainUl li h4 {
  font-weight: 600;
  color: #222222;
  line-height: 33px;
  font-size: 24px;
}

.domainUl li h5,
.domainUl li p {
  font-size: 18px;
  color: #666666;
  line-height: 32px;
  margin-top: 10px;
  width: 100%;
  height: auto;
}
.domainUl li p span {
  color: #f4a200;
}

.li_content p {
  background-color: #f000 !important ;
}

.contenter {
  height: 500px;
}
/* 底部样式 */
footer {
  width: 100vw;
  height: 583px;
  background-color: #000;
  display: flex;
  justify-content: center;
}

.footer {
  width: calc(100% - 248px);
  height: 100%;
  display: flex;
  justify-content: space-between;
  padding-top: 80px;
  box-sizing: border-box;
  position: relative;
}
.footer_icon {
  width: 78px;
  height: 53px;
}

.footer_weibo,
.footer_vx {
  width: 52px;
  height: 52px;
}
.footer_ul {
  overflow: hidden;
}

.footer_ul h5 {
  font-weight: 400;
  color: #9f9f9f;
  line-height: 17px;
  font-size: 12px;
}
.footer_ul ul {
  margin-top: 20px;
}
.footer_ul ul li {
  font-weight: 400;
  line-height: 20px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 24px;
}
.footer_ul ul li a {
  color: #fff;
}

.footer_ul h4 {
  color: #fff;
  margin-top: 14px;
}

.footer_ul_box .footer_ul {
  margin-bottom: 42px;
}

.footer_connect {
  width: 135px;
  display: flex;
  justify-content: space-between;
}

select {
  width: 120px;
  height: 32px;
  text-align: center;
  padding: 0 15px;
  box-sizing: border-box;
  background-color: #333;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  font-size: 12px;
  border: none;
}

.bottom_layer {
  text-align: center;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  font-size: 12px;
  position: absolute;
  bottom: 28px;
  left: 50%;
  margin-left: -200px;
}