.container {
  width: 1200px;
  margin: 0 auto;
}
.flexible {
  display: flex;
}
.logo_wrapper {
  height: 44px;
}
.logo_img {
  height: 44px;
  margin-right: 10px;
}
.text_logo {
  line-height: 100%;
  color: #485273;
  /* color: #2b578d; */
  text-align: start;
}
.text_btm {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3px 0;
}
.text_cn {
  font-size: 17px;
  letter-spacing: 2px;
  color: #fff;
}
.text_en {
  font-size: 12px;
  color: #fff;
}
.header_wrapper {
  display: flex;
  float: left;
  width: 30%;
  margin-top: 8px;
}
.header_container {
  background: rgb(53, 88, 135);
}
header {
  height: 60px;
  background: rgb(53, 88, 135);
  margin: 0 auto;
  width: 1200px;
  position: relative;
}
.nav {
  float: left;
  height: 60px;
  background: rgb(53, 88, 135);
}
.nav>li {
  float: left;
  text-align: center;
  height: 60px;
  margin-right: 30px;
}

.nav>li>a {
  font-size: 20px;
  color: #fff;
  padding: 0 20px;
  display: block;
  height: 60px;
  line-height: 60px;
}
.nav>li>a:hover {
  background: #d0e0e3;
  color: #000;
}
.float_prod {
  position: absolute;
  width: 100%;
  top: 60px;
  left: 0;
  height: 300px;
  background: #071733;
  visibility: hidden;
}
.prod_main:hover .float_prod {
  visibility: visible;
}
.prod_title:hover .float_prod {
  display: block !important;
  overflow: hidden;
  justify-content: space-around;
}
.float_prod_wrapper {
  padding-top: 20px;
  width: 1000px;
  display: flex;
  margin: 0 auto;
  justify-content: space-around;
}

.float_prod .float_prod_wrapper ul {
  float: left;
  display: flex;
  flex-direction: column;
}
.float_prod .float_prod_wrapper ul li a {
  font-size: 14px;
  color:#aaa;
  display: inline-block;
  height: 40px;
  line-height: 40px;
  padding: 0 10px;
}
.float_prod .float_prod_wrapper ul li a:hover {
  font-size: 14px;
  background-color: #d0e0e3;
  color: #000;
  
}

.float_prod_wrapper .main_title {
  color: #fff;
  font-weight: 500;
  font-family: PingFangSC-Medium,Microsoft YaHei;
  cursor: text;
  line-height: 22px;
  font-size: 16px;
  margin-bottom: 20px;
}
.banner_wrapper img {
  width: 1200px;
  height: 400px;
}

.intro_1, .intro_2 {
  font-size: 17px;
  font-family: "Microsoft YaHei";
  text-indent: 2em;
  line-height: 30px;
}

.left_intro {
  float: left;
  width: 730px;
  margin-right: 60px;
}
.right_intro {
  float: left;
  width: 410px;
  padding-top: 50px;
}
.intro_wrapper {
  margin-top: 80px;
  height: 400px;
}
.intro_title {
  font-size: 24px;
  position: relative;
  top: -10px;
}
.btm_line {
  display: inline-block;
  width: 36px;
  border: 1px solid #556ede;
  margin-bottom: 20px;
}
.left_intro_top {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.intro_title {
  margin-bottom: 10px;
}
.banner_container {
  background-color: rgb(16, 52, 84);
}
footer {
  height: 100px;
  background-color: rgb(53, 88, 135);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
footer p {
  text-align: center;
  color: white;
  font-size: 14px;
  height: 20px;
}
.intro_item {
  display: flex;
}
.company_intro, .intro_item li {
  display: flex;
  flex-direction: column;
}
.intro_item li {
  width: 33.33%;
}
.intro_item li span {
  text-align: center;
}
.intro_item li img {
  width: 68px;
  margin: 20px auto;
}
.company_intro {
  align-items: center;
  margin-top: 50px;
}
.intro_item_d {
  margin: 20px 0;
}