html {
  max-width: 1920px !important;
  margin: 0 auto;
  ;
}

.contains {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

header {
  width: 100%;
  height: 65px;
  line-height: 65px;
  background: url(../img/index_01.png) center;
}

.logo {
  width: 210px;
  height: 65px;
  float: left;
  background: url(../img/bt_logo_02.png);
}

header .contains {
  background: url(../img/hd2_02.png);
  background-size: 100% 100%;
}

header h2 {
  width: 590px;
  height: 65px;
  text-align: center;
  font-size: 24px;
  color: #fff;
  font-weight: normal;
  float: left;
}

header p {

  position: relative;
  width: 200px;
  height: 65px;
  float: right;
  text-align: center;
  font-size: 14px;
  color: #fff;
}



header p img {
  width: 20px;
  height: 17px;
  vertical-align: middle;
}

nav {
  width: 100%;
  height: 57px;
}

.nav_list {
  width: 100%;
  height: 57px;
  line-height: 57px;
  text-align: center;
  font-size: 18px;
  color: #3f4245;
}
.nav_list li>a{
  color: #3f4245;
}
.nav_list>li {
  width: 12.5%;
  height: 57px;
  float: left;
  cursor: pointer;
  position: relative;
}

.nav_list>li:hover {
  color: #ff8d5b;
}
.nav_list>li:hover >a{
  color: #ff8d5b;
}
.nav_list>li:hover>.nav_2_box {
  display: block;
}

.nav_list>li img {
  width: 26px;
  height: 28px;
  vertical-align: middle;
  object-fit: none;
}

.nav_2_box {
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 53px;
  display: none;
  z-index: 10;
}

.nav_2 {
  margin: 0 auto;
  padding-top: 15px;
  width: 114px;
  padding-bottom: 20px;
  border-bottom-left-radius: 36px;
  border-bottom-right-radius: 36px;
  background: rgba(255, 255, 255, 0.95);
  position: relative;
  border-top: 4px solid #ff8d5b;
}

.nav_2::after {
  position: absolute;
  content: '';
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 3px solid #ff8d5b;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 0;
}

.nav_2>li a {
  display: block;
  width: 100%;
  text-align: center;
  height: 30px;
  line-height: 30px;
  font-size: 16px;
  color: #5a5d60;
}

footer {
  margin-top: 100px;
  width: 100%;
  height: 348px;
  background: url(../img/abot_16.png) center;
}

.ft_logo {
  width: 190px;
  height: 348px;
  float: left;
  background: url(../img/bt_logo_05.png);
}

.ft_cont {
  width: 1010px;
  height: 283px;
  padding-top: 65px;
  float: left;
}

.ft_nav li {
  width: 80px;
  float: left;
  margin-right: 80px;
  text-align: center;
}

.ft_nav h3 {
  font-size: 14px;
  color: #fff;
}

.ft_nav a {
  display: block;
  color: #8bb0c1;
  font-size: 14px;
  margin-top: 30px;
}
.ft_nav{
  float: left;
}
.ft_tel{
  height: 180px;
  width: 367px;
  float: left;
  border-left: 1px solid #065f86;

}
.ft_tel h3{
  font-size: 14px;
  margin-left: 60px;
  margin-bottom: 30px;
  color: #fff;
}
.ft_msg li{
  width: 90px;
  float: left;
  margin-left: 30px;

}
.ft_ico{
  width: 44px;
  height: 44px;
  margin: 0 auto;
  background: #0b6086;
  border-radius: 50%;
}
.ft_ico img{
  width: 24px;
  height: 24px;
  margin-top: 10px;
  margin-left: 10px;
}
.ft_msg p{
  text-align:center;
  font-size: 14px;
  color: #c7dae2;
  margin-top: 12px;
}
.ft_zx{
  width: 160px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  background: #ff8d5b;
  color: #fff;
  font-weight: bold;
  border-radius: 18px;
  display: block;
  font-size: 14px;
  margin-left: 30px;
  margin-top: 25px;
  float: left;
}
.ft_tele{
  width: 154px;
  height: 34px;
  line-height: 34px;
  text-align: center;
  color: #fff;
  border-radius: 18px;
  border: 1px solid #fff;
  font-size: 14px;
  margin-left: 19px;
  margin-top: 25px;
  float: left;
}
.ft_beian{
  border-top: 1px solid #065f86;
  height: 60px;
  line-height: 60px;
  font-size: 12px;
  color: #387692;
  margin-top: 7px;
}
.ft_beian a{
    color: #387692;
}
.ft_beian span{
  margin-left: 60px;
}
.ft_beian span img{
  vertical-align: middle;
}