/* 手机版*/

body {
  padding: 70px 0 57px;
  position: relative;
  overflow-x: hidden;
  background: #333;
}

.m-top {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 70px;
  padding: 0 10px;
  background: #fff;
  box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.1);
}

.m-logo {
  display: block;
}

.m-logo img {
  height: 40px;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(
    to right,
    rgba(24, 24, 120, 1),
    rgba(0, 147, 220, 1)
  );
}
.nav-btn img {
  width: 18px;
}

header {
  display: none;
  position: fixed;
  z-index: 66;
  top: 70px;
  left: 0;
  z-index: 99;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}
.logo {
  display: none;
}
header ul {
  position: relative;
  padding-bottom: 50px;
  background: rgba(0, 0, 0, 0.8);
}
header ul::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 49px;
  background: url(../images/m_nav_top.png) no-repeat center center;
}

header li {
  padding: 0 20px;
  border-bottom: 1px solid #696969;
}
header .lev {
  display: none;
}
header li a {
  display: block;
  font: 400 16px/48px "微软雅黑";
  color: #fff;
  background: url(../images/m_nav_arrow.png) no-repeat right center;
}
header li:nth-child(1) a {
  background: none;
}
.nav-b {
  opacity: 0;
}

.wrapper {
  position: relative;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background: #fff;
}

.nav-tel {
  display: none;
}
@media (min-width: 1200px) {
  body {
    padding: 0;
  }
  .m-top {
    display: none;
  }
  header {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: auto;
    padding: 0;
    overflow: visible;
    padding: 0 2vw;
    background: rgba(0, 70, 144, 1);
    transition: all 0.5s ease;
    box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.1);
  }
  .logo {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99;
    width: 480px;
  }
  .logo img {
    width: 100%;
  }
  .nav ul {
    display: flex;
    padding: 0;
    background: none;
  }
  .nav ul::after {
    display: none;
  }
  .nav ul li {
    padding: 0 1vw;
    border: 0;
  }
  .nav ul li > a {
    display: block;
    position: relative;
    padding: 0 0.25vw;
    font-size: 16px;
    line-height: 90px;
    text-align: center;
    overflow: hidden;
    background: url(../images/nav_line.jpg) no-repeat center bottom/0 2px;
    transition: background 0.5s ease;
  }
  .nav-t {
    display: block;
    position: relative;
    left: 0;
    top: 0;
    transition: 0.5s ease;
  }
  .nav-b {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 100%;
    width: 100%;
    height: 100%;
    opacity: 1;
    transition: 0.5s ease;
  }
  .nav ul a:hover {
    color: #fff;
    background-size: 100% 2px;
  }
  .nav ul li > a:hover .nav-t {
    transform: translate3d(0, -100%, 0);
  }
  .nav ul li > a:hover .nav-b {
    top: 0;
  }

  /* 二级 */
  .lev {
    display: none;
    position: fixed;
    z-index: -1;
    left: 0;
    top: 90px;
    width: 100%;
    height: 360px;
    overflow: hidden;
    background: url(../images/lev_bg.jpg) no-repeat center bottom/cover;
    border-top: 1px solid #efefef;
    opacity: 0;
    transition: 0.5s ease;
  }
  .lev-box {
    display: flex;
    justify-content: space-between;
    width: 64vw;
    min-width: 960px;
    min-height: 1024px;
    margin: 0 auto;
    padding: 45px 0;
  }
  .lev-left {
      width: 45%;
    min-width: 490px;
  }
  .lev-name {
    padding: 20px 0;
    font-weight: bold;
    font-size: 18px;
    line-height: 1.1;
    color: #333;
  }
  .lev-ul {
    display: flex;
    flex-wrap: wrap;
  }
  .lev-ul a {
    display: block;
    width: 235px;
    margin: 0 10px 10px 0;
    padding: 0 15px;
    color: #000;
    border: 1px #efefef solid;
    border-radius: 8px 0;
    transition: 0.3s;
  }
 .nav ul li:nth-child(3)  .lev-ul a{

  }
  .lev-ul a span {
    display: block;
    padding-left: 8px;
    font-size: 14px;
    line-height: 36px;
    text-align: left;
    background: url(../images/nav_square.jpg) no-repeat 0 center;
  }
  .nav ul .lev-ul a:hover {
    color: #d50a1d;
    border-color: #d50a1d;
    transform: translate3d(6px, 0, 0);
  }

  .lev-right {
     width: 45%;
    max-width: 455px;
  }
  .lev-right img {
    width: 100%;
    transition-duration: 0.5s;
  }
  .nav ul li:hover .lev {
    display: block;
    z-index: 1000;
    opacity: 1;
  }

  .nav-tel {
    position: relative;
    display: flex;
    align-items: center;
    width: 180px;
    margin-left: 90px;
    padding: 0 10px;
    font-size: 14px;
    line-height: 36px;
    color: #fff;
    background: #004690;
    border-radius: 5px;
    transition: 0.5s ease;
  }
  .nav-tel i {
    display: block;
    padding-right: 10px;
  }

  header.active .lev {
    top: 80px;
  }
  header.active .nav ul li > a {
    line-height: 80px;
  }
  header.active .nav-tel {
    background: linear-gradient(to right, #171c7b, #018ed9);
  }
}
@media (min-width: 1420px) {
  .logo {
    width: 600px;
  }
}

/* .public */
.public {
  padding: 10px;
  background: linear-gradient(to right, #004690, rgba(0, 147, 220, 1));
}

.public-main {
  padding: 20px 0;
}

.public-nav {
  display: none;
}

.public-ewm {
  display: flex;
}

.public-ewm-img {
  width: 110px;
  text-align: center;
}
.public-ewm-img img {
  width: 106px;
}
.public-ewm-font {
  padding-left: 10px;
  color: #fff;
}
.public-ewm-font1 {
  padding: 10px 0;
  font-size: 16px;
  line-height: 20px;
}
.public-ewm-font2 {
  font-size: 14px;
  line-height: 1.4;
  color: #f0f0f0;
}
.public-ewm-font3 {
  margin: 15px 0 0;
  font-size: 14px;
  line-height: 2;
  color: #f0f0f0;
}

.public-info {
  margin: 20px 0 10px;
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
}

footer {
  display: flex;
  flex-wrap: wrap;
  padding: 10px 0;
  border-top: solid 1px rgba(255, 255, 255, 0.2);
}
.foot-left {
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  line-height: 1.8;
  color: #fff;
}
.foot-left a {
  color: #fff;
}
.foot-right {
  font-size: 14px;
  line-height: 2.2;
  color: #fff;
}

.fixed {
  position: fixed;
  z-index: 60;
  right: 0;
  bottom: 0;
  width: 100%;
}
.fixed ul {
  display: flex;
  background: #f14702;
}
.fixed li {
  width: 33.3%;
  height: 57px;
  line-height: 27px;
  text-align: center;
  transition: 0.5s;
}
.fixed li a {
  display: block;
  height: 100%;
  padding: 30px 0 0;
  font-size: 12px;
  color: #fff;
}
.fixed li:nth-child(1) a {
  background: url(../images/fix_img1.jpg) no-repeat 65% 0;
}
.fixed li:nth-child(2) a {
  background: url(../images/fix_img2.jpg) no-repeat 65% 0;
}
.fixed li:nth-child(3) a:nth-child(1) {
  background: url(../images/fix_img3.png) no-repeat 65% 0;
}
.fixed li:nth-child(4) {
  display: none;
}
.fixed .fixed-tel {
  display: none;
}
.fixed li a {
  display: block;
}

.top {
  display: none;
}
@media (min-width: 1200px) {
  .public {
    padding: 30px 0;
    background: linear-gradient(to right, #004690, rgba(0, 147, 220, 1));
  }

  .public-main {
    display: flex;
    justify-content: space-between;
    width: 94%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 60px 0 30px;
  }

  .public-nav {
    display: flex;
    width: 66.7755%;
    border-right: solid 1px rgba(255, 255, 255, 0.2);
  }
  .public-li {
    width: 20%;
  }
  .public-li-name {
    position: relative;
  }
  .public-li-name::after {
    content: "";
    position: absolute;
    left: 72px;
    top: 18px;
    width: 10px;
    height: 5px;
    background: url(../images/public_s.png) no-repeat center 0;
    opacity: 0.5;
  }

  .public-li-name a {
    display: block;
    font-size: 16px;
    line-height: 40px;
    color: #fff;
    transition: 0.5s;
  }
  .public-li-name:hover::after {
    opacity: 1;
  }

  .public-nav ul a {
    display: block;
    font-size: 14px;
    line-height: 30px;
    color: rgba(255, 255, 255, 0.8);
  }

  .public-nav ul a:hover {
    color: #fff;
  }

  .public-right {
    width: 28.224499999999995%;
  }

  .public-ewm {
    display: flex;
  }

  .public-ewm-img {
    width: 160px;
    text-align: center;
  }
  .public-ewm-img img {
    width: 106px;
  }
  .public-ewm-font {
    color: #fff;
    text-align: center;
  }
  .public-ewm-font1 {
    padding: 10px 0;
    font-size: 16px;
    line-height: 20px;
  }
  .public-ewm-font2 {
    font-size: 14px;
    line-height: 1.4;
    color: #f0f0f0;
  }
  .public-ewm-font3 {
    margin: 15px 0 0;
    font-size: 14px;
    line-height: 2;
    color: #f0f0f0;
  }

  .public-info {
    margin: 20px 0 10px;
    font-size: 14px;
    line-height: 1.5;
    color: #fff;
  }

  footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 94%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 30px 0 0;
    border-top: solid 1px rgba(255, 255, 255, 0.2);
  }
  .foot-left {
    display: flex;
    font-size: 14px;
    line-height: 2.2;
    color: #fff;
  }
  .foot-left p {
    padding-right: 5px;
  }
  .foot-left a {
    color: #fff;
  }
  .foot-right {
    font-size: 14px;
    line-height: 2.2;
    color: #fff;
  }

  .fixed {
    position: fixed;
    z-index: 60;
    right: -10px;
    top: 50%;
    bottom: auto;
    width: 87px;
    transform: translate3d(0, -50%, 0);
  }
  .fixed ul {
    display: block;
    background: none;
  }
  .fixed li {
    display: flex;
    position: relative;
    left: 0;
    width: 100%;
    height: 57px;
    overflow: hidden;
    margin-bottom: 1px;
    line-height: 27px;
    text-align: center;
    transition: 0.5s;
  }
  .fixed li a {
    display: block;
    width: 87px;
    height: 100%;
    padding: 30px 0 0;
    font-size: 12px;
    color: #fff;
  }
  .fixed li:nth-child(1) a {
    background: url(../images/fix_img1.jpg) no-repeat 0 0;
  }
  .fixed li:nth-child(2) a {
    background: url(../images/fix_img2.jpg) no-repeat 0 0;
  }
  .fixed li:nth-child(3) {
    width: 300px;
  }
  .fixed li:nth-child(3) a:nth-child(1) {
    background: url(../images/fix_img3.png) no-repeat 0 0;
  }
  .fixed .fixed-tel {
    display: block;
    z-index: 1;
    width: 184px;
    height: 57px;
    padding: 0;
    font-size: 24px;
    line-height: 57px;
    color: #fff;
    background: #f14702;
  }
  .fixed li:nth-child(4) {
    display: block;
  }
  .fixed li:nth-child(4) p {
    width: 87px;
    height: 100%;
    padding: 30px 0 0;
    font-size: 12px;
    color: #fff;
    background: url(../images/fix_img4.png) no-repeat 0 0;
    cursor: pointer;
  }

  .fixed li:hover {
    left: -10px;
  }
  .fixed li:nth-child(3):hover {
    left: -194px;
  }

  .top {
    display: block;
    position: fixed;
    z-index: 68;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: #da3323 url(../images/top.png) no-repeat center center/26px;
    border-radius: 50%;
    transition: 0.3s;
    cursor: pointer;
  }
}