* {
  font-family: 'PingFang SC',Arial,"Microsoft YaHei UI","Microsoft YaHei",serif;
  margin: 0;
  padding: 0;
}

input {
  outline: none;
}

body {
  margin: 0 auto;
  padding: 0;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: #000;
}

li {
  list-style: none;
  color: #3D3D3D;
}
header {
  height: 240px;
  margin: 0 auto;
  background-image: url('../images2511/top_bg.jpg');
  background-size:cover;
}

header .header_wrap {
  width: 1320px;
  height: 240px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.search_img{
  width: 24px;
  margin-left: 10px;
  cursor: pointer;
}

header .header_wrap .header_logo a{
  display: flex;
  justify-items: center;
  align-items: center;
  vertical-align: middle;
}


nav {
    margin: 0 auto;
    background-color: #005BAC;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav .wrap {
    max-width: 1320px;
    height: 55px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0;
    list-style: none;
}

nav .wrap li {
    flex: 1;
    height: 55px;
    line-height: 55px;
    text-align: center;
    position: relative;
    margin: 0;
    padding: 0;
}

nav .wrap li .nav_fir {
    display: block;
    height: 100%;
    transition: background-color 0.3s ease;
}

nav .wrap li .nav_fir a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 0 10px;
    font-size: 22px;
    font-weight: bold;
    transition: color 0.3s ease, background-color 0.3s ease;
}


nav .wrap li:hover .nav_fir {
    background-color: #fff;
}

nav .wrap li:hover .nav_fir a {
    color: #036fcd;
}

nav .wrap li .nav_sec {
    position: absolute;
    background-color: #023a6c;
    display: none;
    z-index: 99;
    padding: 10px 0;
    min-width: 128px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    border-radius: 0 0 4px 4px;
}


nav .wrap li .nav_sec ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav .wrap li .nav_sec li {
    display: block;
    height: auto;
    line-height: normal;
    width: 100%;
}

nav .wrap li .nav_sec li a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    white-space: nowrap;
    transition: background-color 0.3s ease;
}


nav .wrap li .nav_sec li:hover a {
    background-color: #036fcd;
}


nav .wrap li:hover .nav_sec {
    display: block;
    animation: fadeIn 0.3s ease;
}
.pop_box_bg {
  position: absolute;
  right: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
  cursor: pointer;
}
.pop_box {
  position: fixed;
  right: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 999999;
  display: none;
}
.pop_box.on {
  display: block;
}
.pop_box_bg .close {
  width: 40px;
  height: 40px;
  position: absolute;
  right: 6%;
  top: 10%;
  background: url(../images2511/close.png) center / contain;
}
.ser {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  max-width: calc(100% - 4rem);
  width: 40rem;
  height: 4rem;
}
.search {
  width: 100%;
  height: 100%;
  background: #fff;
  position: absolute;
  right: 0;
  z-index: 999;
}
.search input.notxt {
  position: absolute;
  width: calc(100% - 12rem);
  height: 100%;
  color: #666;
  left: 0rem;
  top: 0;
  padding: 0;
  margin: 0rem;
  outline: none;
  font-size: 16px;
  z-index: 3;
  padding: 0 0 0 2rem;
  background: transparent;
  border: 0;
  box-sizing: border-box;
  font-family: inherit;
}
.search input.notxt1 {
  position: absolute;
  width: 8rem;
  height: 100%;
  border: none;
  background: none;
  right: 0;
  cursor: pointer;
  z-index: 3;
  font-size: 0;
  bottom: 0;
  background: url(../images2511/search_2.png) center no-repeat #000;
  box-sizing: border-box;
}
.search input.notxt1 {
  background-image: url(../images2511/search_2.png);
  background-color: #004b8d;
  background-size: 1.8rem;
}

@media (max-width: 768px) {
    nav .wrap {
        flex-wrap: wrap;
        height: auto;
    }
    nav .wrap li {
        flex-basis: 50%;
    }
}

footer {
  margin: 0 auto;
  font-size: 16px;
  background-color: #005BAC;
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: bottom center;
}
footer .link{
  margin-top: 30px;
}
footer .link,
footer .link span,
footer .link a
{
  color: #f1f1f1;
  display: inline-block;
}
footer .link a{
  margin-right: 15px;
  line-height: 29px;
}
  
footer div{
 color: #f1f1f1;
}
footer .wrap {
  width: 1320px;
  margin: 0 auto;
  display: flex; 
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer_logo img{
  height: 35px;
  margin-top: 20px;
}
.detail{
  width: 100%;
  font-size: 15px;
  margin-top: 13px;
  line-height: 28px;
  margin-bottom: 40px;
}