.container {
  width: 100%;
  min-width: 320px;
  max-width: 1920px;
  margin: 0 auto;
  position: relative;
}

.header_box {
  width: 100%;
  height: 120px;
  border-top: 5px solid #035cac;
  box-sizing: border-box;
}

.header_box .header {
  width: 100%;
  max-width: 1200px;
  height: 120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header_box .header .logo {
  width: 414px;
}

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

.header_box .header .nav li {
  display: inline-block;
  margin: 0 20px;
}

.header_box .header .nav li a {
  font-size: 16px;
  color: #333;
  position: relative;
}

.header_box .header .nav li:hover a, .header_box .header .nav li.active a {
  color: #035cac;
  padding-bottom: 5px;
  border-bottom: 2px solid #035cac;
}

.header_box .header .tel {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  background: rgba(255, 153, 102, 0.1);
  border-radius: 50px;
  padding-right: 10px;
}

.header_box .header .tel .icon {
  width: 38px;
  height: 38px;
}

.header_box .header .tel a {
  font-size: 18px;
  color: #333;
  padding-left: 5px;
}

.m_header {
  width: 100%;
  height: 60px;
  background: #fff;
  display: none;
  padding: 0 20px;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}

.m_header .m_box {
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.m_header .m_box .logo {
  width: 120px;
}

.m_header .m_box .logo img {
  width: 100%;
}

.m_header .m_box .menus {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.m_header .m_box .menus .tel {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  background: rgba(255, 153, 102, 0.1);
  border-radius: 50px;
  padding-right: 10px;
  margin-right: 10px;
}

.m_header .m_box .menus .tel .icon {
  width: 38px;
  height: 38px;
}

.m_header .m_box .menus .tel a {
  font-size: 18px;
  color: #333;
  padding-left: 5px;
}

.m_header .m_box .menus .menubtn {
  width: 24px;
  height: 24px;
  cursor: pointer;
  position: relative;
}

.m_header .m_box .menus .menubtn i {
  width: 21px;
  height: 3px;
  background: #035cac;
  position: absolute;
  -webkit-transition: .5s;
  -moz-transition: .5s;
  -o-transition: .5s;
  transition: .5s;
  border-radius: 2px;
  display: block;
}

.m_header .m_box .menus .menubtn i:nth-child(1) {
  top: 4px;
  -webkit-transform-origin: left bottom;
  -moz-transform-origin: left bottom;
  -ms-transform-origin: left bottom;
  -o-transform-origin: left bottom;
  transform-origin: left bottom;
}

.m_header .m_box .menus .menubtn i:nth-child(2) {
  top: 11px;
}

.m_header .m_box .menus .menubtn i:nth-child(3) {
  top: 18px;
  -webkit-transform-origin: left top;
  -moz-transform-origin: left top;
  -ms-transform-origin: left top;
  -o-transform-origin: left top;
  transform-origin: left top;
}

.m_header .m_box .menus .menubtn.on i:nth-child(1) {
  -webkit-transform: rotate(40deg);
  -moz-transform: rotate(40deg);
  -ms-transform: rotate(45d40degeg);
  -o-transform: rotate(40deg);
  transform: rotate(40deg);
}

.m_header .m_box .menus .menubtn.on i:nth-child(2) {
  opacity: 0;
}

.m_header .m_box .menus .menubtn.on i:nth-child(3) {
  -webkit-transform: rotate(-40deg);
  -moz-transform: rotate(-40deg);
  -ms-transform: rotate(-40deg);
  -o-transform: rotate(-40deg);
  transform: rotate(-40deg);
}

.m_header .m_nav {
  width: 400px;
  max-width: 60%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
  position: fixed;
  top: 0;
  left: -100%;
  z-index: 99;
  overflow-y: auto;
  padding: 20px 0;
}

.m_header .m_nav > li {
  line-height: 40px;
  border-bottom: 1px solid #363636;
}

.m_header .m_nav > li a {
  display: block;
  text-align: left;
  font-size: 14px;
  color: #fff;
  padding: 0 20px;
  box-sizing: border-box;
  position: relative;
}

.m_header .m_nav > li.active a {
  color: #035cac;
}

.banner {
  width: 100%;
}

.banner img {
  width: 100%;
}

.banner .swiper-pagination {
  background-color: rgba(0, 0, 0, 0.5);
  padding: 20px 10px;
  box-sizing: border-box;
  bottom: 0;
}

.banner .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 50%;
  background: #888c8f;
  opacity: 1;
}

.banner .swiper-pagination-bullet-active {
  opacity: 1;
  background: #fff;
}

.product_title {
  text-align: center;
}

.product_title h2 {
  font-size: 38px;
  color: #035cac;
  font-weight: bold;
  margin-bottom: 10px;
}

.product_title span {
  font-size: 16px;
  color: #333;
}

.index_about {
  width: 100%;
  background: url("../images/about_bg.png") no-repeat;
  background-size: 100% 100%;
  padding: 70px 0;
}

.index_about .about {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.index_about .about .about_title {
  width: 100%;
  height: 68px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: url("../images/about_tit.png") no-repeat;
  background-size: 486px 68px;
}

.index_about .about .about_title h2 {
  font-size: 38px;
  color: #035cac;
  font-weight: bold;
}

.index_about .about .about_title a {
  font-size: 14px;
  color: #333;
}

.index_about .about .about_content {
  margin-top: 30px;
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: wrap;
}

.index_about .about .about_content .text {
  width: 100%;
  max-width: 600px;
  background: #fff;
  padding: 30px 30px;
  box-sizing: border-box;
}

.index_about .about .about_content .text h3 {
  font-size: 24px;
  color: #035cac;
  display: inline-block;
  margin-bottom: 20px;
  position: relative;
}

.index_about .about .about_content .text h3:after {
  content: '';
  width: 30px;
  height: 3px;
  background: #035cac;
  position: absolute;
  right: -35px;
  top: 50%;
  transform: translate(0, -50%);
}

.index_about .about .about_content .text p {
  font-size: 16px;
  color: #333;
  line-height: 2;
  margin: 20px 0;
}

.index_about .about .about_content .pic {
  width: 100%;
  max-width: 600px;
}

.index_about .about .about_content .pic img {
  width: 100%;
}

.index_product {
  padding: 40px 0;
}

.index_product .product {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.index_product .product .product_list {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}

.index_product .product .product_list li {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border: 1px solid #e5e5e5;
  text-align: center;
  transition: all .3s ease;
}

.index_product .product .product_list li a {
  display: block;
  padding: 30px 30px;
  box-sizing: border-box;
}

.index_product .product .product_list li .pic {
  width: 270px;
  height: 232px;
  margin: 0 auto;
}

.index_product .product .product_list li .pic img {
  width: 100%;
}

.index_product .product .product_list li span {
  font-size: 20px;
  color: #333;
  font-weight: bold;
  display: block;
  margin-top: 10px;
  transition: all .3s ease;
}

.index_product .product .product_list li p {
  font-size: 14px;
  color: #666;
  text-overflow: ellipsis;
  overflow: hidden;
  text-wrap: nowrap;
  margin: 10px 0;
}

.index_product .product .product_list li em {
  font-size: 14px;
  color: #035cac;
  text-decoration: underline;
}

.index_product .product .product_list li:hover {
  transform: scale(1.02);
  border: 3px solid #035cac;
  box-shadow: 0 0 12px rgba(204, 204, 204, 0.75);
}

.index_product .product .product_list li:hover span {
  font-size: 24px;
  color: #035cac;
}

.index_product .product .product_list li:hover p {
  color: #035cac;
}

.index_advantage {
  width: 100%;
  background: url("../images/advantage_bg.png") no-repeat center;
  background-size: 100% 100%;
  padding: 70px 0;
}

.index_advantage .advantage {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.index_advantage .advantage .product_title h2 {
  color: #fff;
}

.index_advantage .advantage .product_title span {
  color: #fff;
}

.index_advantage .advantage .advantage_list {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}

.index_advantage .advantage .advantage_list li {
  width: 100%;
  max-width: 300px;
  text-align: center;
  margin-bottom: 20px;
}

.index_advantage .advantage .advantage_list li .pic {
  width: 96px;
  height: 108px;
  margin: 0 auto;
}

.index_advantage .advantage .advantage_list li .pic img {
  width: 100%;
}

.index_advantage .advantage .advantage_list li span {
  font-size: 24px;
  color: #fff;
  display: block;
  margin-top: 20px;
}

.index_advantage .advantage .advantage_list li p {
  font-size: 14px;
  color: #fff;
  line-height: 2;
  margin-top: 20px;
}

.index_area {
  padding: 40px 0;
}

.index_area .area {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.index_area .area .area_list {
  margin-top: 40px;
}

.index_area .area .area_list .item {
  width: 238px;
  height: 413px;
  margin: 0 auto;
  position: relative;
  cursor: pointer;
}

.index_area .area .area_list .item img {
  width: 100%;
}

.index_area .area .area_list .item .text {
  position: absolute;
  width: 100%;
  height: 65px;
  background: rgba(255, 255, 255, 0.84);
  left: 0;
  bottom: 0;
  padding: 0 30px;
  box-sizing: border-box;
}

.index_area .area .area_list .item .text .tit {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 65px;
}

.index_area .area .area_list .item .text .tit h2 {
  font-size: 20px;
  color: #333;
  font-weight: bold;
}

.index_area .area .area_list .item .text .tit .icon {
  width: 18px;
  height: 10px;
}

.index_area .area .area_list .item .text p {
  font-size: 14px;
  color: #333;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  overflow: hidden;
  text-overflow: ellipsis;
}

.index_area .area .area_list .item:hover .text {
  height: 220px;
  border-bottom: 4px solid #1668b2;
}

.index_area .area .area_list .item:hover .text .tit h2 {
  color: #035cac;
}

.index_area .area .area_list .item:hover .text .tit .icon {
  display: none;
}

.index_contact {
  padding: 40px 0;
  background: #f7f7f7;
}

.index_contact .contact {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.index_contact .contact .contact_list {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}

.index_contact .contact .contact_list li {
  width: 100%;
  max-width: 300px;
  text-align: center;
  margin-bottom: 20px;
}

.index_contact .contact .contact_list li .pic {
  width: 67px;
  height: 67px;
  margin: 0 auto;
}

.index_contact .contact .contact_list li .pic img {
  width: 100%;
}

.index_contact .contact .contact_list li span {
  font-size: 14px;
  color: #999;
  display: block;
  margin-top: 20px;
}

.index_contact .contact .contact_list li p {
  font-size: 20px;
  color: #333;
  margin-top: 20px;
}

.footer_box {
  width: 100%;
  padding: 30px 0;
  background: #09275a;
}

.footer_box .footer {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.footer_box .footer .nav {
  margin-bottom: 10px;
}

.footer_box .footer .nav li {
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 10px;
}

.footer_box .footer .nav li a {
  font-size: 14px;
  color: #fff;
}

.footer_box .footer .copyright p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.27);
}

.go_back {
  width: 50px;
  height: 50px;
  position: fixed;
  right: 50px;
  bottom: 30px;
  z-index: 999;
  cursor: pointer;
  display: none;
}

.go_back img {
  width: 100%;
}

@media screen and (max-width: 1199px) {
  .header_box {
    display: none;
  }
  .m_header {
    display: block;
  }
  .banner {
    margin-top: 60px;
  }
  .product_title h2 {
    font-size: 24px;
  }
  .index_about {
    padding: 40px 0;
  }
  .index_about .about .about_title {
    background-size: 243px 34px;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .index_about .about .about_title h2 {
    font-size: 24px;
  }
  .index_about .about .about_content .text {
    max-width: 100%;
  }
  .index_about .about .about_content .text h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .index_about .about .about_content .pic {
    max-width: 100%;
  }
  .index_product .product .product_list li {
    max-width: 320px;
  }
}