.main {
  width: 75%;
  max-width: 1440px;
  position: relative;
  margin: 0 auto;
}

.header {
  position: fixed;
  z-index: 100;
  width: 100%;
  height: 120px;
  transition: all 0.3s;
}

.header .main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header .logo {
  width: 72px;
}

.header .logo img {
  width: 100%;
}

.header .logo img.logo01 {
  display: block;
}

.header .logo img.logo02 {
  display: none;
}

.header .right {
  display: flex;
  align-items: center;
  height: 100%;
}

.header .right .nav {
  height: 100%;
}

.header .right .nav .item {
  font-size: 18px;
  font-weight: bold;
  color: #fff;
  margin-right: 50px;
  line-height: 120px;
  height: 100%;
  display: inline-block;
}

.header .right .nav .item span {
  position: relative;
}

.header .right .nav .item.active {
  color: #08a3ae;
}

.header .right .nav .item.active span:before {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: #08a3ae;
  left: 0;
  bottom: -10px;
}

.header .right .search {
  width: 40px;
  height: 40px;
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url("../img/10.png");
  cursor: pointer;
  display: block;
}

.header.header-fix {
  background-color: #fff;
  transition: all 0.3s;
}

.header.header-fix .logo img.logo01 {
  display: none;
}

.header.header-fix .logo img.logo02 {
  display: block;
}

.header.header-fix .right .nav .item {
  color: #333;
}

.product-nav {
  padding: 35px 0 25px;
  background-color: #f8f8f8;
}

.product-nav .main {
  display: flex;
  align-items: flex-start;
}

.product-nav .item {
  width: calc(100%/4);
  text-align: center;
}

.product-nav .item img {
  height: 100px;
}

.product-nav .item .img01 {
  display: inline-block;
}

.product-nav .item .img02 {
  display: none;
}

.product-nav .item .desc {
  font-size: 14px;
  line-height: 20px;
  margin-top: 20px;
}

.product-nav .item.active .img01 {
  display: none;
}

.product-nav .item.active .img02 {
  display: inline-block;
}

.product-nav .item.active .desc {
  color: #08a3ae;
}

.com-more {
  width: 148px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  color: #fff;
  font-size: 14px;
  background-color: #08a3ae;
  display: block;
}

.inner-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.inner-banner .second-box {
  background-color: rgba(245, 245, 245, 0.5);
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.08);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  z-index: 10;
  bottom: 0;
  width: 100%;
}

.inner-banner .second-box .item {
  width: 200px;
  height: 100%;
  font-size: 16px;
  background-color: transparent;
  color: #fff;
  text-align: center;
  line-height: 60px;
}

.inner-banner .second-box .item.active {
  background-color: #08a3ae;
}

.inner-banner img {
  width: 100%;
  opacity: 0;
}

.inner-banner .title-box {
  color: #fff;
  position: absolute;
  text-align: center;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.inner-banner .title-box .cn {
  font-size: 60px;
  line-height: 60px;
  color: #fff;
}

.inner-banner .title-box .line {
  width: 66px;
  height: 4px;
  background-color: #fff;
  margin: 40px auto 30px;
}

.inner-banner .title-box .en {
  font-family: 'Dinb';
  font-size: 30px;
  line-height: 30px;
}

.com-title {
  text-align: center;
}

.com-title .cn {
  font-size: 36px;
  line-height: 36px;
  font-weight: bold;
}

.com-title .en {
  font-size: 24px;
  line-height: 24px;
  color: #999;
  margin-top: 10px;
}

.pro-nav {
  height: 60px;
  background-color: #f8f8f8;
  display: flex;
  align-items: center;
}

.pro-nav .item {
  width: 25%;
  height: 100%;
  line-height: 60px;
  font-size: 18px;
  text-align: center;
  cursor: pointer;
}

.pro-nav .item.active {
  color: #08a3ae;
  border-bottom: 2px solid #08a3ae;
}

.pages-box {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pages-box .item {
  width: 32px;
  height: 30px;
  background-color: #f8f8f8;
  font-size: 14px;
  color: #999;
  line-height: 30px;
  text-align: center;
  display: block;
  margin-right: 8px;
}

.pages-box .item.prev, .pages-box .item.next {
  width: 66px;
}

.pages-box .item.active {
  background-color: #08a3ae;
  color: #fff;
}

.pages-detail {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 40px;
}

.pages-detail .item {
  display: block;
  width: 40%;
}

.pages-detail .item.next {
  text-align: right;
}

.pages-detail .com-more {
  position: absolute;
  top: 30px;
  left: calc(50% - 74px);
}

.m-header, .m-cover {
  display: none;
}

.footer .foot-top {
  background-color: #353535;
  padding: 48px 0;
}

.footer .foot-top .tops {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer .foot-top .tops .nav {
  display: flex;
  align-items: center;
}

.footer .foot-top .tops .nav .item {
  font-size: 18px;
  line-height: 18px;
  color: #fff;
  margin-right: 100px;
  display: inline-block;
}

.footer .foot-top .tops .nav .item:last-of-type {
  margin-right: 0;
}

.footer .foot-top .tops .totop {
  width: 40px;
  height: 40px;
  background-image: url("../img/top.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100%;
  cursor: pointer;
}

.footer .foot-top .bottoms {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 40px;
}

.footer .foot-top .bottoms .left-box {
  display: flex;
}

.footer .foot-top .bottoms .left-box .logo {
  width: 126px;
}

.footer .foot-top .bottoms .left-box .logo img {
  width: 100%;
}

.footer .foot-top .bottoms .left-box .info-box {
  margin-left: 50px;
  padding-top: 10px;
}

.footer .foot-top .bottoms .left-box .info-box .title {
  font-size: 20px;
  line-height: 20px;
  font-weight: bold;
  margin-bottom: 20px;
  color: #fff;
}

.footer .foot-top .bottoms .left-box .info-box .items {
  display: flex;
}

.footer .foot-top .bottoms .left-box .info-box .items .left {
  padding-right: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.footer .foot-top .bottoms .left-box .info-box .items .right {
  padding-left: 20px;
}

.footer .foot-top .bottoms .left-box .info-box .items .item {
  font-size: 14px;
  line-height: 28px;
  color: rgba(255, 255, 255, 0.8);
}

.footer .foot-top .bottoms .right-box .online-tel {
  color: #fff;
  font-size: 16px;
  line-height: 30px;
}

.footer .foot-top .bottoms .right-box .online-tel span {
  font-size: 36px;
  display: inline-block;
  margin-left: 6px;
  font-family: 'Dinb';
}

.footer .foot-top .bottoms .right-box .message-box-foot {
  height: 40px;
  display: flex;
  align-items: center;
  margin-top: 40px;
}

.footer .foot-top .bottoms .right-box .message-box-foot input {
  width: 390px;
  height: 100%;
  border: 1px solid #9A9A9A;
  border-radius: 4px 0 0 4px;
  padding-left: 20px;
  background-color: transparent;
  font-size: 14px;
  border-right: 0;
  color: #fff;
}

.footer .foot-top .bottoms .right-box .message-box-foot .msg-btn {
  width: 96px;
  height: 100%;
  line-height: 40px;
  color: #fff;
  text-align: center;
  font-size: 16px;
  background-color: #08a3ae;
  border: 0;
}

.footer .foot-bottom {
  background-color: #4A4A4A;
  padding: 20px 0;
}

.footer .foot-bottom .main {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer .foot-bottom .main .left {
  display: flex;
  align-items: center;
}

.footer .foot-bottom .main .right {
  display: flex;
  align-items: center;
}

.footer .foot-bottom .main .item {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
}

.footer .foot-bottom .main .item img {
  margin-right: 6px;
}

@-webkit-keyframes circle_right {
  0% {
    -webkit-transform: rotate(-135deg);
  }
  50%, 100% {
    -webkit-transform: rotate(45deg);
  }
}

@-webkit-keyframes circle_left {
  0%, 50% {
    -webkit-transform: rotate(-135deg);
  }
  100% {
    -webkit-transform: rotate(45deg);
  }
}