.footer {
  background-color: #3f509f;
  padding: 50px 0;
  color: #fff;
}
.footer a {
  color: #fff;
}
.footer a:hover {
  color: var(--main-color);
}
.footer-title {
  color: var(--main-color);
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 30px;
}
.footer-title small {
  display: block;
  font-size: 12px;
  color: #fff;
  opacity: 0.2;
}
.footer-title:after {
  display: block;
  content: "";
  width: 25px;
  height: 1px;
  background-color: var(--main-color);
}
.footer-nav {
  float: left;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
  width: 270px;
  margin-right: 30px;
}
.footer-nav ul {
  overflow: hidden;
}
.footer-nav li {
  float: left;
  width: 50%;
}
.footer-nav li a {
  display: block;
  padding-right: 10px;
  line-height: 48px;
}
.footer-contact {
  float: left;
  width: 350px;
  padding-left: 60px;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
  padding-right: 60px;
}
.footer-contact li {
  font-size: 16px;
  padding: 13px 0 4px 32px;
  background: no-repeat 0 center;
}
.footer-contact li.i1 {
  background-image: url(../images/foot_icon1.png);
}
.footer-contact li.i2 {
  background-image: url(../images/foot_icon2.png);
}
.footer-contact li.i3 {
  background-image: url(../images/foot_icon3.png);
}
.footer-contact li.i4 {
  background-image: url(../images/foot_icon4.png);
}
.footer-ewm {
  float: right;
  width: 430px;
}
.footer-ewm ul {
  overflow: hidden;
}
.footer-ewm li {
  float: left;
  width: 33%;
}
.footer-ewm li .wrap {
  margin-left: 30px;
}
.footer-ewm li p {
  margin: 15px 0 0;
  padding-left: 32px;

  font-size: 16px;
}
.container {
  width: 1400px;
  margin: 0 auto;
}
.container_top {
  max-width: 1400px;
  margin: 0 auto;
}
.contact {
  margin-bottom: 20px;
}

:root {
  --bg-color: #003366;
  --main-color: #3399cc;
  --zt-color: #cccccc;
}
.beian {
  text-align: center;
  font-size: 13px;
  color: var(--zt-color);
  border-top: 1px solid var(--zt-color);
  padding-top: 20px;
  line-height: 30px;
}
.clearfix {
  zoom: 1;
}
.clearfix:before,
.clearfix:after {
  display: table;
  line-height: 0;
  content: "";
}
.clearfix:after {
  clear: both;
}

.mfooter {
  display: none;
  background: #3f509f;
  text-align: center;
  color: #ffffff;
  font-size: 13px;
  padding: 15px 0;
}

.web-header {
  overflow: hidden;
}
.web-header .topbar {
  line-height: 34px;
  font-size: 12px;
  color: #7c7c7c;
  background: #eeefef;
}
.web-header .topbar a {
  color: #7c7c7c;
}
.web-header .topbar a:hover {
  color: #d82634;
}
.web-header .topbar span {
  float: right;
}
.web-header .topbar span a {
  float: left;
  padding: 0 15px;
}
.web-header .logo {
  float: left;
  padding: 4px 25px 4px 0;
  border-right: 5px solid #e7e7e5;
  margin: 25px 0;
}
.web-header .logo img {
  display: block;
  height: 90px;
  width: auto;
}
.web-header .text {
  float: left;
  font-size: 22px;
  margin: 38px 0 38px 30px;
}
.web-header .text strong {
  display: block;
  font-size: 28px;
  color: var(--main-color);
}
.web-header .tel {
  float: right;
  margin-top: 45px;

  padding-left: 50px;
}
.web-header .tel strong {
  display: block;
  font-size: 34px;
  font-family: Impact;
  line-height: 1;
  margin-top: 5px;
  color: var(--main-color);
}

.web-nav {
  background-color: #1e49a5;
}
.web-nav ul {
  padding-left: 20px;
}
.web-nav li {
  float: left;
  position: relative;
  padding: 0 15px;
  margin-left: -20px !important;
  width: 160px !important;
}
.web-nav li:after {
  content: "";

  width: 20px;
  height: 66px;
  display: block;
  right: 0;
  position: absolute;
  top: 0;
}
.web-nav li a {
  display: block;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  padding: 0 23px;
  color: #fff;
  line-height: 66px;
  position: relative;
}
.web-nav li a:hover,
.web-nav li.active a {
  background-color: var(--main-color);
}
.web-nav li a:hover:before,
.web-nav li a:hover:after,
.web-nav li.active a:before,
.web-nav li.active a:after {
  content: "";
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
}
.web-nav li a:hover:before,
.web-nav li.active a:before {
  border-top: 66px solid transparent;
  border-right: 19px solid var(--main-color);
  left: -19px;
}
.web-nav li a:hover:after,
.web-nav li.active a:after {
  border-bottom: 66px solid transparent;
  border-left: 19px solid var(--main-color);
  right: -19px;
}
.web-nav .dropdown-box {
  padding: 0;
}
.web-nav .dropdown-box li {
  background: none;
  padding: 0;
  margin: 0;
}
.web-nav .dropdown-box li:after {
  display: none;
}
.web-nav .dropdown-box li a {
  color: #fff;
  padding: 6px 12px !important;
  line-height: 2;
  font-size: 14px;
  font-weight: normal;
  text-align: center !important; /* 新增：确保文字居中 */
  width: 100% !important; /* 新增：确保宽度占满 */
  box-sizing: border-box !important; /* 新增：确保内边距计算正确 */
}
.web-nav .dropdown-box li a:hover {
  color: #ffffff;
  background-color: #73c6f0;
}

.dropdown {
  position: relative;
}
.dropdown-box {
  position: absolute;
  left: 0px !important; /* 修改点1: 从7px改为0，添加!important */
  top: 100%;
  z-index: 10;
  background-color: var(--main-color);
  width: 170px;
  display: none;
  overflow: hidden;
  padding: 0;
}
.dropdown-box li {
  background: none;
  padding: 0;
  margin: 0 !important; /* 修改点2: 移除负边距，添加!important */
  border-top: 1px solid #fff;
  text-align: center;
  width: 100% !important; /* 修改点3: 确保宽度占满，添加!important */
  box-sizing: border-box !important; /* 新增：确保宽度计算正确 */
}
.dropdown-box li a {
  display: block;
  line-height: 40px;
  color: #333;
  padding: 6px 12px !important; /* 修改点4: 从padding-left:50px改为均匀内边距 */
  text-align: center !important; /* 新增：确保文字居中 */
  width: 100% !important; /* 新增：确保宽度占满 */
  box-sizing: border-box !important; /* 新增：确保内边距计算正确 */
}
.dropdown.open .dropdown-box {
  display: block;
}
.web-headerm {
  display: none;
}
@media screen and (max-width: 600px) {
  /*当屏幕尺寸小于600px时，应用下面的CSS样式*/
  .footer {
    display: none;
  }
  .mfooter {
    display: block;
  }
  .web-header {
    display: none;
  }
  .web-nav {
    display: none;
  }
  .web-headerm {
    display: block;
  }
}