.w {
   width: 100%;
   max-width: 1340px;
   margin: 0 auto;
   padding: 0 20px;
   box-sizing: border-box;
}

body {
   position: relative;
}

.mr_t {
   margin-top: 4px;
}

.intelligent {
   display: none;
   position: absolute;
   right: 100px;
   top: 470px;
   width: 270px;
   height: 283px;
}

.intelligent img {
   width: 100%;
   height: 100%;
}

.header {
   background: url(../images/001sylbt.png) no-repeat;
   background-position: center center;
   background-size: cover;
   height: auto;
   padding-top: 20px;
}

.header .header_top {
   display: flex;
   justify-content: space-between;
   align-items: center;
}

.header .header_top .header_top_left {
   margin-top: 12px;
}

.header .header_top .header_top_left img {
   width: 448px;
   height: 100px;
}

.header .header_top .header_top_right {
   display: flex;
   flex-direction: column;
   align-items: end;
   gap: 30px;
}

.header .header_top .header_top_right>ul {
   display: flex;
   align-items: center;
}

.header .header_top .header_top_right>ul li {
   border-right: 1px solid #333333;
   padding: 0 20px;
}

.header .header_top .header_top_right>ul li img {
   vertical-align: middle;
}

.header .header_top .header_top_right>ul li a {
   font-size: 16px;
   line-height: 16px;
   color: #333333;
}

.header .header_top .header_top_right>ul li:hover a {
   color: #016bb5;
}

.header .header_top .header_top_right>ul li:last-child {
   border-right: 0;
}

.header .header_top .header_top_right>ul li:first-child {
   margin: 0;
}

.header .header_top .header_top_right .search {
   position: relative;
   width: 400px;
}

.header .header_top .header_top_right .search input {
   width: 100%;
   height: 43px;
   background: #fff;
   border: 1px solid #016bb5;
   border-radius: 22px;
   padding: 0 70px 0 20px;
   box-sizing: border-box;
}

.header .header_top .header_top_right .search .magnifier {
   border: 0;
   width: 62px;
   height: 43px;
   background: #016bb5;
   text-align: center;
   padding-top: 6px;
   box-sizing: border-box;
   position: absolute;
   top: 0;
   right: 0px;
   border-radius: 22px;
}

.header .header_top .header_top_right .search .magnifier img {
   width: 28px;
   height: 28px;
}

.header .header_top .header_top_right .search .magnifier:hover {
   background: #0a6ed1;
   cursor: pointer;
}

.header .header_bottom {
   margin: 0 auto;
   margin-top: 294px;
   height: 80px;
   background: url(../images/062dhbg.png) no-repeat;
   background-size: cover;
   background-position: center center;
   box-shadow: 0 4px 6px rgba(155, 200, 183, 0.2);
}

.header .header_bottom ul {
   display: flex;
   justify-content: center;
   align-items: center;
   height: 100%;
   flex-wrap: wrap;
   gap: 116px;
}

.header .header_bottom ul li {
   line-height: 80px;
   position: relative;
   flex-shrink: 0;
}

.header .header_bottom ul li a {
   font-size: 24px;
   color: #016bb5;
}

.header .header_bottom ul li:hover a {
   font-weight: bold;
}

.header .header_bottom ul li:hover ::after {
   content: "";
   display: block;
   width: calc(100% - 20px);
   height: 2px;
   background-color: #337ab7;
   position: absolute;
   bottom: 20px;
   left: 50%;
   transform: translateX(-50%);
}

.header .header_bottom ul .active a {
   font-weight: bold;
}

.header .header_bottom ul .active ::after {
   content: "";
   display: block;
   width: calc(100% - 20px);
   height: 2px;
   background-color: #337ab7;
   position: absolute;
   bottom: 20px;
   left: 50%;
   transform: translateX(-50%);
}

.footer {
   padding: 0px 0 26px;
   background: #016bb5;
   margin-top: 50px;
}

.footer .footer_top {
   display: flex;
   justify-content: space-between;
   position: relative;
}

.footer .footer_top>li {
   padding-top: 10px;
}

.footer .footer_top>li>a {
   cursor: pointer;
   display: block;
   background: #045b98;
   width: 312px;
   line-height: 54px;
   text-align: center;
   font-size: 16px;
   color: #ffffff;
}

.footer .footer_top>li span {
   font-size: 16px;
   color: #ffffff;
}

.footer .footer_top>li img {
   width: 10px;
   height: 10px;
   vertical-align: middle;
}

.footer .footer_top>li>ul {
   position: absolute;
   bottom: 64px;
   left: 0;
   z-index: 99;
   background: #045b98;
   width: 100%;
   padding: 30px;
   box-sizing: border-box;
   display: none;
   flex-wrap: wrap;
   align-items: center;
   gap: 40px;
}

.footer .footer_top>li>ul>li>a {
   color: #fff;
   font-size: 18px;
}

.footer .footer_top>.pull_down:hover {
   background: #045b98;
}

.footer .footer_top>.pull_down:hover>ul {
   display: flex;
}

.footer .footer_top>.pull_down:hover>ul>li a:hover {
   font-weight: bold;
}

.footer .footer_bottom {
   margin-top: 30px;
   display: flex;
   justify-content: space-between;
   align-items: center;
   flex-wrap: wrap;
   gap: 20px;
   padding: 0 20px;
}

.footer .footer_bottom .footer_bottm_one {
   display: flex;
   align-items: center;
   gap: 0 40px;
   border-right: 1px solid rgba(255, 255, 255, 0.5);
   padding-right: 60px;
}

.footer .footer_bottom .footer_bottm_one a {
   display: inline-block;
}

.footer .footer_bottom .footer_bottm_two {
   display: flex;
   justify-content: space-between;
   align-items: center;
   gap: 0px 50px;
   flex-wrap: wrap;
}

.footer .footer_bottom .footer_bottm_two ul li a {
   line-height: 30px;
   font-size: 16px;
   color: #fff;
}

.footer .footer_bottom .footer_bottm_two ul li a:hover {
   font-weight: bold;
}

.footer .footer_bottom .footer_bottm_two>p {
   line-height: 30px;
   font-size: 16px;
   color: #fff;
}

.footer .footer_bottom .footer_bottm_three {
   line-height: 30px;
   font-size: 16px;
   color: #fff;
}