html,
header,
body,
section,
header,
footer,
nav,
div,
ul,
li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
span,
b,
i,
p,
em,
a,
input,
button {
  margin: 0;
  padding: 0;
}
body {
  position: relative;
  background: #fff;
  background-size: cover;
  color: #333;
  font: 13px/1.5;
  font-family: "Microsoft Yahei", "PingFang SC", "WenQuanYi Micro Hei", Tahoma, Arial, Helvetica, STHeiti;
  word-break: break-all;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: none;
}
img {
  border: 0;
}
input,
img {
  vertical-align: middle;
}
ul,
li {
  list-style: none;
}
a,
img {
  -webkit-touch-callout: none;
}
a {
  color: #333;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-transition: all .3s;
          transition: all .3s;
}
b,
i,
em {
  font-style: normal;
  font-weight: 500;
}
input,
textarea {
  -webkit-appearance: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
  font-size: 15px;
}
.clearfix:after {
  content: " ";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.clearfix {
  zoom: 1;
}

.header-wrap {
  position: relative;
  z-index: 100;
  width: 100%;
  height: 80px;
  background: #fff;
}
.header {
  position: relative;
  min-width: 1440px;
  margin: 0 auto;
}
.logo {
  position: absolute;
  left: 50px;
  top: 0;
  width: 214px;
  height: 42px;
}
.logo img {
  display: block;
  padding: 18px 0 0;
  width: 214px;
  height: 42px;
}
.nav {
  text-align: center;
}
.nav li {
  position: relative;
  display: inline-block;
}
.nav li a {
  display: block;
  height: 80px;
  line-height: 80px;
  padding: 0 20px;
  font-size: 18px;
  font-weight: 600;
}
.nav li:hover a,
.nav .cur a {
  font-weight: 600;
  color: #1e50ae;
}

.footer {
  position: relative;
  min-width: 1440px;
  margin: 0 auto;
  background: rgb(242, 242, 242);
}
.footer-nav {
  padding: 10px 0;
  .logo {
    top: 10px;
  }
}
.footer-info {
  height: 60px;
  line-height: 60px;
  border-top: solid 1px rgb(215, 215, 215);
  font-size: 16px;
  text-align: center;
}
.footer-info span {
  padding: 0 20px;
}

.main {
  position: relative;
  width: 1440px;
  margin: 0 auto;
  overflow: hidden;
}
.main-news {
    width: 1100px;
}

.i-banner-wrap {
  position: relative;
  height: 632px;
}
.i-swiper-slide {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.i-swiper-slide::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .4);
}
.i-swiper-slide img {
  position: relative;
  width: 100%;
  height: 632px;
  object-fit: cover;
}
.i-banner-info {
  position: absolute;
  width: 100%;
  left: 50%;
  top: 50%;
  z-index: 10;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
}
.i-banner-info h4 {
  font-size: 100px;
  color: #fff;
  letter-spacing: 40px;
  text-indent: 40px;
}
.i-banner-info-cont h4 {
  font-size: 60px;
  letter-spacing: 0;
}
.i-banner-info p {
  font-size: 55px;
  color: #fff;
  letter-spacing: 50px;
  text-indent: 50px;
}
.i-banner-swiper-left {
  position: absolute;
  left: 40px;
  top: 50%;
  z-index: 100;
  width: 40px;
  height: 66px;
  margin-top: -33px;
}
.i-banner-swiper-right {
  position: absolute;
  right: 40px;
  top: 50%;
  z-index: 100;
  width: 40px;
  height: 66px;
  margin-top: -33px;
}
.i-banner-swiper-left img,
.i-banner-swiper-right img {
  display: block;
  cursor: pointer;
  width: 40px;
  height: 66px;
  opacity: 0.8;
}
.banner-second {
  position: relative;
}
.banner-second::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, .4);
}
.banner-second img {
  position: relative;
  width: 100%;
  height: 632px;
  object-fit: cover;
}

.i-info {
  text-align: center;
}
.i-info h6 {
  padding: 35px 0;
  font-size: 40px;
}
.i-info-slogn {
  line-height: 40px;
  font-size: 20px;
}
.i-info-logo {
  display: block;
  width: 214px;
  height: 42px;
  margin: 0 auto;
  padding: 45px 0;
}
.i-more-btn {
  display: block;
  width: 466px;
  height: 46px;
  line-height: 46px;
  margin: 0 auto 45px;
  border: solid 2px rgb(51, 51, 51);
  text-align: center;
  font-size: 25px;
}
.i-title {
  border-top: solid 2px rgb(215, 215, 215);
  padding: 40px 0;
  font-size: 36px;
  font-weight: 600;
}
.i-title-b {
  border-top: 0;
}
.i-more-btn-list {
  margin: 0 auto 50px;
}

.list {
  margin-right: -60px;
}
.list li {
  position: relative;
  float: left;
  width: 440px;
  height: 440px;
  margin: 0 0 50px 0;
  padding: 0 60px 0 0;
}
.list li a {
  display: block;
  overflow: hidden;
}
.list-cover {
  display: block;
  width: 440px;
  height: 440px;
  object-fit: cover;
  transition: all .3s ease-in-out;
}
.list li a:hover .list-cover {
  transform: scale(1.1);
}
.list-info {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 440px;
  padding: 15px;
  background: rgba(0, 0, 0, .6);
  color: #fff;
  box-sizing: border-box;
}
.list-info h6 {
  padding-bottom: 12px;
  font-size: 24px;
  font-weight: 600;
}
.list-info p {
  font-size: 18px;
}

.about-info {
  padding-bottom: 40px;
  text-align: left;
}
.about-info p {
  line-height: 28px;
  padding-bottom: 20px;
  font-size: 18px;
}
.about-info p:last-child {
  padding-bottom: 0;
}
.about-img img {
  display: block;
  width: 100%;
  margin: 0 0 50px 0;
}
.about-img-board {
  border: solid 2px #ccc;
}
.about-title {
  border-top: solid 2px rgb(215, 215, 215);
  padding: 40px 0;
  font-size: 36px;
  font-weight: 600;
  text-align: center;
}
.about-cooperate {
  margin: 0 -100px 50px 0;
}
.about-cooperate img {
  float: left;
  width: 200px;
  height: 200px;
  margin-right: 48px;
  object-fit: cover;
}
.about-cooperate .about-coop-last {
  width: 170px;
  height: 170px;
  padding-top: 15px;
}
.about-contact {
  width: 540px;
  margin: 0 auto;
  line-height: 50px;
  margin-bottom: 50px;
  font-size: 22px;
  text-align: left;
}

.about-title-b {
  border-top: 0;
}
.detail-img img {
  display: block;
  width: 100%;
  margin: 0 0 50px 0;
}
.detail-list-main {
  display: flex;
  margin-bottom: 50px;
}
.detail-list-img {
  float: left;
  width: 900px;
}
.detail-list-cont {
  display: flex;
  flex-direction: column;
  justify-content: center;
  float: right;
  width: 540px;
  height: 100%;
  padding-left: 30px;
  box-sizing: border-box;
}
.detail-list-cont h6 {
  padding-bottom: 40px;
  font-size: 20px;
  font-weight: 600;
}
.detail-list-cont p {
  line-height: 26px;
  font-size: 16px;
}
.detail-img-sml {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 -18px 50px 0;
}
.detail-img-sml img {
  display: block;
  float: left;
  width: 225px;
  height: 335px;
  margin: 0 18px 15px 0;
  object-fit: cover;
}
.detail-title {
  padding: 40px 0 0;
  font-size: 30px;
  font-weight: 600;
}
.detail-info {
  padding: 5px 0 30px;
  color: #999;
  font-size: 16px;
}
.detail-content {
  margin: 0 0 50px;
  word-wrap: break-word;
}
.detail-content * {
  max-width: 100% !important;
  box-sizing: border-box !important;
  -webkit-box-sizing: border-box !important;
  word-wrap: break-word !important;
}
.detail-content img {
    margin: 10px 0;
}

.nav-fix {
  display: none;
}
.hamburger {
  display: none;
}

@media (max-width: 800px) {
    body {
        padding-top: 50px;
    }
  .header-wrap {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 300;
    width: 100%;
    height: 50px;
  }
  .header {
    min-width: auto;
  }
  .logo {
    left: 20px;
  }
  .logo img {
    width: 150px;
    height: auto;
    padding: 10px 0 0;
  }
  .nav {
    display: none;
  }
  .main {
    width: 100%;
  }
  .main-news {
      width: 100%;
  }
  .i-info h6 {
    padding: 20px 0;
    font-size: 26px;
  }
  .i-info-slogn {
    padding: 0 15px;
    line-height: 24px;
    font-size: 16px;
  }
  .i-info-logo {
    width: 180px;
    height: auto;
    padding: 30px 0;
  }
  .i-more-btn {
    width: 70%;
    height: 40px;
    line-height: 40px;
    font-size: 18px;
  }
  .i-more-btn-list {
    margin: 0 auto 30px;
  }

  .i-banner-wrap {
    height: 300px;
  }
  .i-swiper-slide img {
    height: 300px;
  }
  .i-banner-swiper-left,
  .i-banner-swiper-right {
    display: none;
  }
  .i-banner-info h4 {
    margin: 0 30px;
    font-size: 36px;
    letter-spacing: 5px;
    text-indent: 5px;
  }
  .i-banner-info p {
    font-size: 26px;
    letter-spacing: 15px;
    text-indent: 15px;
  }

  .i-title {
    margin: 0 15px;
    padding: 15px 0;
    font-size: 24px;
    border-top: solid 1px rgb(215, 215, 215);
  }
  .list {
    margin: 0 15px;
  }
  .list-cover {
    width: 100%;
    height: 345px;
  }
  .list li {
    float: none;
    width: 100%;
    height: 345px;
    padding: 0;
    margin: 0 0 20px;
  }
  .list-info {
    width: 100%;
    padding: 10px;
  }
  .list-info h6 {
    font-size: 18px;
  }
  .list-info p {
    font-size: 14px;
  }

  .footer {
    min-width: auto;
  }
  .footer-nav {
    display: none;
  }
  .footer-info {
    height: auto;
    line-height: 30px;
    padding: 20px 0;
  }
  .footer-info span {
    display: block;
    text-align: left;
  }

  .banner-second img {
    height: 300px;
  }
  .about-info {
    padding: 0 15px;
  }
  .about-info p {
    font-size: 16px;
  }
  .about-img {
    margin: 20px 15px 0;
  }
  .about-img img {
    width: 100%;
    height: auto;
    margin: 0 0 30px;
  }
  .about-title {
    margin: 0 15px;
    padding: 20px 0;
    font-size: 24px;
    border-top: solid 1px rgb(215, 215, 215);
  }
  .about-cooperate {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 0 15px 30px;
  }
  .about-cooperate img {
    width: 46%;
    height: auto;
    margin: 0 0 20px;
  }
  .about-cooperate .about-coop-last {
    width: 46%;
    height: auto;
  }
  .about-contact {
    width: auto;
    margin: 0 15px 30px;
    line-height: 30px;
    font-size: 18px;
  }
  .detail-title {
    padding: 20px 15px 0;
    font-size: 20px;
  }
  .detail-info {
    padding: 5px 15px 0;
    font-size: 14px;
  }
  .detail-content {
    padding: 10px 15px 0;
  }
  .detail-img {
    margin: 0 15px 30px;
  }
  .detail-img img {
    margin-bottom: 30px;
  }
  .detail-img-sml {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 0 15px 30px;
  }
  .detail-img-sml img {
    width: 48%;
    height: auto;
    margin: 0 0 15px;
  }
  .detail-list-main {
    flex-direction: column;
    margin: 0 15px 30px;
  }
  .detail-list-img {
    float: none;
    width: 100%;
  }
  .detail-list-cont {
    width: 100%;
    padding: 20px 0 0;
  }
  .detail-list-cont h6 {
    padding-bottom: 10px;
    font-size: 18px;
    font-weight: 500;
  }
  .detail-list-cont p {
    line-height: 20px;
    font-size: 14px;
  }

  .hamburger {
    display: block;
    float: right;
    margin-top: -2px;
    position: relative;
    width: 40px;
    height: 30px;
    cursor: pointer;
    border: 5px solid transparent;
    margin: 5px 10px 0 0;
    z-index: 1;
  }

  .hamburger span {
    width: 100%;
    height: 2px;
    background: #0575bc;
    display: block;
    position: absolute;
    right: 0;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }

  .hamburger span.h-top {
    top: 0;
  }

  .hamburger span.h-bottom {
    bottom: 0;
    width: 27px;
  }

  .hamburger span.h-middle {
    top: 50%;
    margin-top: -1px;
    width: 25px;
  }

  .hamburger.h-active span {
    width: 100%;
  }

  .hamburger.h-active span.h-top {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 50%;
    margin-top: -1px;
  }

  .hamburger.h-active span.h-middle {
    -webkit-transform: translateX(-30px);
    transform: translateX(-30px);
    opacity: 0;
  }

  .hamburger.h-active span.h-bottom {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    bottom: 50%;
    margin-bottom: -1px;
  }

  .nav-fix {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 999;
    width: 250px;
    padding: 40px 10px;
    box-sizing: border-box;
    background: #fff;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
    transform: translateX(-280px);
    -webkit-transition: -webkit-transform 0.3s ease-in;
    -moz-transition: -moz-transform 0.3s ease-in;
    -o-transition: -o-transform 0.3s ease-in;
    transition: transform 0.3s ease-in;
  }
  .nav-fix-s {
    transform: translateX(0);
  }
  .nav-menu {
    padding: 20px 10px;
  }
  .nav-menu li {
    height: 40px;
    line-height: 40px;
  }
  .nav-menu li.cur {
    font-weight: 600;
    color: #1e50ae;
  }
  .nav-menu li a {
      display: block;
  }
}