* {
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
  font-family: 微软雅黑;
}
ul,
li {
  list-style: none;
}
a:link,
a:visited,
a:visited,
a:hover,
a:active {
  text-decoration: none;
  color: inherit;
}
input,
select,
option,
textarea {
  outline: none;
  resize: none;
  -webkit-appearance: none;
}
.clr::after {
  content: '';
  display: block;
  clear: both;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.w1200 {
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 1440px) {
  .w1400 {
    width: 1200px;
  }
}
@media (max-width: 1250px) {
  .w1400 {
    width: 970px;
  }
}
@media (max-width: 992px) {
  .w1400 {
    width: 750px;
  }
}
@media (max-width: 768px) {
  .w1400 {
    width: 92%;
  }
}
.mt60 {
  margin-top: 60px;
}
.ml30 {
  margin-left: 30px;
}
/* ******************************* */
/* ******************************* */
.header {
  background-image: url();
}
.header .w1200 {
  height: 130px;
  position: relative;
}
.header .w1200 .nav_btn {
  display: none;
  float: right;
  width: 35px;
  height: 35px;
  background: url(../img/nav_icon.png) no-repeat;
  background-size: cover;
  margin-left: 50px;
}
.header .w1200 .logo {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.header .w1200 .header_right {
  width: 430px;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}
.header .w1200 .header_right .header_links {
  width: 430px;
  float: right;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
}
.header .w1200 .header_right .header_links li {
  font-size: 12px;
  color: #666666;
}
.header .w1200 .header_right .search {
  float: right;
  width: 278px;
  height: 35px;
}
.header .w1200 .header_right .search .search_val {
  float: left;
  width: calc(100% - 65px);
  height: 35px;
  line-height: 35px;
  border: 1px solid #999;
  color: #999;
  padding-left: 35px;
  background-image: url(../img/search.png);
  background-repeat: no-repeat;
  background-position: 8px 9px;
}
.header .w1200 .header_right .search .search_val::-webkit-input-placeholder {
  color: #999;
}
.header .w1200 .header_right .search .search_val::-moz-input-placeholder {
  color: #999;
}
.header .w1200 .header_right .search .search_val::-ms-input-placeholder {
  color: #999;
}
.header .w1200 .header_right .search .submit {
  float: left;
  background-color: #003f6b;
  height: 35px;
  width: 65px;
  border: none;
  color: #fff;
}
/* ******************************* */
/* ******************************* */
.nav {
  background-color: #003e6a;
}
.nav .wp_nav {
  width: 1200px;
  margin: 0 auto;
}
.nav .wp_nav > .nav-item {
  float: left;
  width: calc(99.9% / 7);
  height: 45px;
  position: relative;
}
.nav .wp_nav > .nav-item > a {
  display: block;
  height: 45px;
  line-height: 45px;
  text-align: center;
  font-size: 16px;
  color: #fff;
}
.nav .wp_nav > .nav-item > .sub-nav {
  width: 100%;
  background: #ffffff;
  position: absolute;
  top: 45px;
  box-shadow: 0px 0px 8px 1px rgba(50, 50, 50, 0.14);
  opacity: 0;
  z-index: 99;
}
.nav .wp_nav > .nav-item > .sub-nav > .nav-item {
  position: relative;
}
.nav .wp_nav > .nav-item > .sub-nav > .nav-item a {
  display: block;
  height: 0px;
  overflow: hidden;
  line-height: 40px;
  font-size: 14px;
  color: #000000;
  text-align: center;
  transition: height 0.3s;
}
/* ******************************* */
/* ******************************* */
.footer {
  background-color: #003e6a;
}
.footer div.w1200 {
  height: 240px;
  position: relative;
}
.footer div.w1200 .logo {
  position: absolute;
  left: 0;
  top: 34px;
}
.footer div.w1200 .about {
  width: 735px;
  position: absolute;
  left: 0;
  top: 130px;
  font-size: 14px;
  line-height: 22px;
  color: #fff;
}
.footer div.w1200 .links {
  width: 240px;
  display: flex;
  justify-content: space-between;
  position: absolute;
  right: 0;
  top: 45px;
}
.footer div.w1200 .links .link_item .item_icon {
  display: block;
  width: 80px;
  height: 80px;
  background-color: #ffffff;
  margin: 0 auto;
}
.footer div.w1200 .links .link_item span {
  display: block;
  text-align: center;
  font-size: 14px;
  color: #ffffff;
  margin-top: 10px;
}
/* ******************************* */
/* ******************************* */
@media (max-width: 992px) {
  .nav .wp_nav {
    width: 750px;
  }
}
@media (max-width: 768px) {
  .nav .wp_nav {
    width: 100%;
  }
}
@media (min-width: 768px) {
  .wp_nav > .nav-item:hover > a {
    color: #0095ff;
    background: #002d4d;
  }
  .wp_nav > .nav-item:hover > .sub-nav {
    opacity: 1;
  }
  .wp_nav > .nav-item:hover > .sub-nav > .nav-item > a {
    height: 40px;
  }
  .wp_nav > .nav-item > .sub-nav > .nav-item:hover > a {
    background: #003e6a;
    color: #fff;
  }
}
@media (max-width: 992px) {
  .header .w1400 {
    height: auto;
    padding: 25px 0;
  }
  .header .w1400 .logo {
    position: static;
    transform: none;
    display: block;
    margin: 0 auto;
  }
  .header .w1400 .header_right {
    display: inline-block;
    position: static;
    margin-left: 50%;
    margin-top: 20px;
    transform: translateX(-50%);
  }
}
@media (max-width: 768px) {
  .header .w1400 .logo,
  .footer .w1400 .logo,
  .header .w1400 .header_right {
    width: 100%;
  }
  .header .w1400 .header_right {
    margin-left: 0;
    transform: translateX(0%);
  }
  .header .w1400 .header_right .search {
    width: calc(100% - 85px);
  }
  .header .w1400 .nav_btn {
    display: block;
  }
  .nav {
    position: absolute;
    z-index: 9999;
    width: 100vw;
    right: 0;
  }
  .nav .wp_nav > .nav-item {
    width: 100%;
    float: initial;
    height: auto;
    position: relative;
  }
  .nav .wp_nav > .nav-item > .sub-nav {
    width: 100%;
    background: #0871bb;
    position: initial;
  }
}