html{
  font-size: 16px;
}
body{
  width: 100%;
  overflow-x: hidden;
}
body ul,
body ol{
  margin: 0;
}
body h4{
  margin: 0;
}
.navbar {
  border-radius: 0px;
  border: none;
  transition: all 0.4s ease-in-out;
}
.br {
  display: none;
}
.navbar-nav > li > a {
  line-height: 50px;
  font-size: 14px;
}
.nav > li > a {
  padding: 10px 22px;
}
/* .navbar-toggle .icon-bar {
  display: block;
  width: 30px;
  height: 7px;
  border-radius: 1px;
} */
.nav .open > a,
.nav .open > a:hover,
.nav .open > a:focus {
  background-color: #273c74;
  border-color: transparent;
}
.dropdown-menu {
  background-color: #273c74;
}
a:hover {
  text-decoration: none;
  cursor: pointer;
}
header .navbar-toggle {
  padding: 7px;
  margin-top: 20px;
  border: solid #fff 1px;
}

header .navbar-toggle span {
  border-bottom: 1px #fff solid;
}
header .header-top .btn-default {
  width: 100%;
  background: #1e69a5;
  color: #fff;
  cursor: pointer;
  border-color: #1e69a5 !important;
}

.fbwh {
  padding-top: 65px;
}
.fbwh img {
  width: 100%;
  height: inherit;
}

a:hover {
  text-decoration: none;
}

header .header-top {
  background: #3884c0;
}

header .header-top p {
  color: #fff;
  margin-bottom: 0;
  font-size: 15px;
  line-height: 43px;
}

header .header-top form .form-group {
  position: relative;
}

header .header-top form .form-group i {
  position: absolute;
  top: 8px;
  right: 11px;
  color: #05aec7;
  font-size: 16px;
}
/*导航*/
.navbar-form {
  margin-top: 5px;
  margin-bottom: 0;
  border: none;
}
header .navbar {
  margin-bottom: 0;
  /* background: rgba(255, 255, 255, 0.1); */
  background-color: #273c74;
  /* transition: all .23s ease; */
}
header .navbar.fixed{
  background-color: #273c74;
}
header .cn {
  font-family: MicrosoftYaHei;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 25px;
  letter-spacing: 0px;
  color: #9bd1ff;
}

header nav .nav li a {
	color: #fefefe;
	position: relative;
}
header nav .nav>li>a::after{
  content: "";
	width: 28px;
	height: 2px;
	background: #fff;
	position: absolute;
	margin-left: -14px;
	left: 50%;
	bottom: 18px;
	transform: translate3d(0px, 0px, 0px);
	opacity: 0;
	transition: all .23s ease;
}
header nav .nav li:last-child a:hover::after{
	opacity: 0;
}
header nav .nav li a:hover::after{
	opacity: 1;
}
header nav .nav li a:hover,
.nav > li > a:focus {
  background-color: transparent;
}

.dropdown-menu-ol>li>a{
  padding: 12px 10px;
  display: block;
  text-align: center;
  transition: all .23s ease;
  border-radius: 4px;
}
.dropdown-menu-ol{
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: block;
  min-width: 160px;
  padding: 5px;
  margin: 2px 0 0;
  font-size: 14px;
  text-align: left;
  list-style: none;
  background-color: #273c74;
  border-radius: 4px;
  -webkit-box-shadow: 0 6px 12px rgba(0,0,0,.175);
  box-shadow: 0 6px 12px rgba(0,0,0,.175);
  opacity: 0;
  visibility: hidden;
  transition: all .23s ease-in-out;
}
header nav .nav li:hover .dropdown-menu-ol{
  opacity: 1;
  visibility: visible;
}
header nav .nav .dropdown-menu-ol a:hover{
  background-color: #fff;
  color: #273c74;
}

.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus {
  color: #fff;
  text-decoration: none;
  transform: translate3d(10px, 0px, 0px);
  background-color: transparent !important;
}
header nav .logo {
	display: flex;
	align-items: center;
	height: 70px;
}
header nav .logo img{
	height: auto;
}
header nav .nav>.active>a::after{
	opacity: 1;

}
.activedropdown {
  background-color: rgba(255, 255, 255, 0.1);
}

/**首页内容样式**/
ul {
  padding: 0px;
}
li {
  list-style: none;
}


.ft{
	background: #252C43;
}
.fb{
	padding-top: 10px;
	text-align: center;
	background-color: #3b4256;
}
.fb p {
  font-family: MicrosoftYaHei;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 32px;
  letter-spacing: 0px;
  color: #ffffff;
}

/*/ 大屏幕 /*/
@media (min-width: 1200px) {
  .navbar {
    border-radius: 0px;
    border: none;
  }
}
@media screen and (max-width: 768px){
  header nav .nav li a::after{
    display: none;
  }
  .nav>li.active a{
    background-color: rgba(255, 255, 255, 0.4);
  }
  header nav .logo img{
    margin-left: 10px;
    width: 124px;
  }
}
/*/ 平板电脑和小屏电脑之间的分辨率 /*/
@media (min-width: 768px) and (max-width: 991px) {
  .navbar-fixed-top .navbar-collapse,
  .navbar-fixed-bottom .navbar-collapse {
    max-height: unset;
  }
  header nav .logo {
    /* padding-top: 4%; */
  }
  .navbar {
    border-radius: 0px;
    border: none;
  }
  .left {
    display: none;
  }
  .right_bot li {
    width: 32%;
  }
  .cn {
    display: none;
  }
  .navbar-nav > li:last-child {
    display: none;
  }
  .product-scroll-pic .thumb-contain .thumb {
    width: 90%;
    height: 70px !important;
  }
  .inner img {
    margin-left: 35px;
  }
  .product-short h2:first-child {
    font-size: 22px;
  }
  .product-short h2 {
    font-size: 20px;
  }
  .product-short p {
    font-size: 12px;
    margin-top: 20px;
  }
  .pd_nav {
    margin-top: 50px;
  }
  .parameter img {
    width: 80%;
  }
  .top img {
    width: 30%;
    height: 40%;
    margin-bottom: 6px;
  }
  .bot img {
    width: 60%;
  }
  .patent img {
    width: 30%;
  }
  .pro_detail h1 {
    font-size: 35px;
    margin-bottom: 49px;
    margin-top: 39px;
  }
}

/*/ 横向放置的手机和竖向放置的平板之间的分辨率 /*/
@media (max-width: 767px) {
  .navbar-fixed-top .navbar-collapse,
  .navbar-fixed-bottom .navbar-collapse {
    max-height: unset;
  }
  .navbar-nav > li > a {
    line-height: 30px;
  }
  header nav .nav li a:hover,
  .nav > li > a:focus,
  .active,
  .activedropdown {
    background-color: transparent !important;
  }
  .caret {
    float: right;
    margin-top: 15px;
  }
  .dropdown-menu li {
    padding-left: 10px;
  }
  header nav .logo {
    /* padding-top: 4%; */
  }
  .navbar {
    border-radius: 0px;
    border: none;
  }
  .left {
    display: none;
  }
  .right_bot p {
    font-size: 13px;
  }
  .right_bot li {
    width: 49%;
  }
  .product-scroll-pic .thumb-contain .thumb {
    width: 90%;
    height: 70px !important;
  }
  .inner img {
    margin-left: 35px;
  }
  .product-short h2:first-child {
    font-size: 22px;
  }
  .product-short h2 {
    font-size: 20px;
  }
  .product-short p {
    font-size: 12px;
    margin-top: 20px;
  }
  .pd_nav {
    margin-top: 50px;
  }
  .parameter img {
    width: 80%;
  }
  .top img {
    width: 100%;
    height: 40%;
    margin-bottom: 6px;
  }
  .bot img {
    width: 60%;
  }
  .patent img {
    width: 30%;
  }
  .pro_detail h1 {
    font-size: 35px;
    margin-bottom: 49px;
    margin-top: 39px;
  }


}
/*/ 横向放置的手机及分辨率更小的设备 /*/
@media (max-width: 480px) {
  .navbar-fixed-top .navbar-collapse,
  .navbar-fixed-bottom .navbar-collapse {
    max-height: unset;
  }

  header nav .nav li a:hover,
  .nav > li > a:focus,
  .active,
  .activedropdown {
    background-color: transparent !important;
  }
  .caret {
    float: right;
    margin-top: 15px;
  }
  .navbar-nav > li > a {
    line-height: 30px;
  }
  .dropdown-menu li {
    padding-left: 10px;
  }
  .br {
    display: block;
  }
  .navbar {
    border-radius: 0px;
    border: none;
  }
  .left {
    display: none;
  }
  .right_bot p {
    font-size: 12px;
  }
  .product-scroll-pic .thumb-contain {
    display: none;
  }
  .product-scroll-pic .big-pic {
    width: 170%;
    float: none;
  }
  /* .swiper-container {
    overflow: auto;
  } */
  .product-short {
    width: 80%;
  }
  .product-short h2 {
    font-size: 15px;
  }
  .product-short p {
    font-size: 15px;
    margin-top: 20px;
  }
  .product-scroll-pic {
    width: 50%;
  }
  .pro_detail h1 {
    font-size: 25px;
    line-height: 0px;
    margin-bottom: 50px;
    margin-top: 35px;
  }
}