.container {
  margin: 0 auto;
  width: 100%;
  max-width: 1920px;
}
header {
  width: 100%;
  position: relative;
  z-index: 1;
}
.header-wap-bg {
  display: none;
}
/* 底部样式 */
.footer {
  background-color: #1578af;
  text-align: center;
  padding: 35px 0;
  font-size: 16px;
  color: #fff;
}
/* 导航栏 样式 */
.nav {
  width: 100%;
  background: #1d97df;
}
.nav ul {
  width: 90%;
  overflow: hidden;
  text-align: center;
  margin: 0 auto;
  font-size: 0;
  letter-spacing: -4px;
}
.nav li {
  display: inline-block;
  *display: inline;
  *zoom: 1;
  letter-spacing: normal;
  text-align: center;
}
.nav a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 20px 30px;
}
.nav h3 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
}
/* 主体样式 */
.content {
  width: 100%;
}
.item1 {
  width: 70%;
  margin: 80px auto;
}
.item-title {
  text-align: center;
  margin-bottom: 40px;
}
.item-title img {
  max-width: 100%;
  height: auto;
}
.item1 ul {
  list-style: none;
  padding: 0;
  margin: 0 -10px;
  overflow: hidden;
}
.item1 li {
  float: left;
  width: 33.33%;
  padding: 0 10px;
  box-sizing: border-box;
  position: relative;
  *zoom: 1;
}
.item1 li a {
  display: block;
}
.item1 li img {
  width: 100%;
  height: auto;
  display: block;
}
.item1 li p {
  position: absolute;
  bottom: 0;
  left: 10px;
  right: 10px;
  margin: 0;
  padding: 20px 15px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
}
.item2 {
  width: 70%;
  margin: 80px auto;
  overflow: hidden;
  zoom: 1;
}
.item2 .i-slider1 {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
.item2 .i-slider1 .sliderInner {
  position: relative;
  overflow: hidden;
}
.item2 .i-slider1 .sliderInner ul {
  width: 100%;
}
.item2 .i-slider1 .sliderInner,
.item2 .i-slider1 .sliderInner li {
  width: 100%;
  height: 343px;
  overflow: hidden;
}
.item2 .i-slider1 .sliderInner li {
  float: left;
}
.item2 .i-slider1 .img-box {
  float: left;
  overflow: hidden;
  margin-right: 50px;
}
.item2 .i-slider1 .img-box,
.item2 .i-slider1 .img-box img {
  display: block;
  width: 600px;
  height: 343px;
}
.item2 .i-slider1 .list-text {
  overflow: hidden;
  padding-top: 20px;
}
.item2 .i-slider1 .list-tit {
  width: 100%;
  height: 72px;
  overflow: hidden;
  font-size: 24px;
  line-height: 36px;
  font-weight: 700;
}
.item2 .i-slider1 .list-tit a {
  display: block;
}
.item2 .i-slider1 .list-desc {
  color: #4b4b4b;
  font-size: 18px;
  line-height: 24px;
  margin-top: 15px;
}
.item2 .i-slider1 .slider-cur {
  position: absolute;
  top: 254px;
  left: 650px;
  z-index: 100;
}
.item2 .i-slider1 .swiper-pagination-switch {
  display: inline-block;
  width: 12px;
  height: 12px;
  font-size: 0;
  line-height: 0;
  border: 1px solid #777;
  border-radius: 50%;
  margin-right: 10px;
  cursor: pointer;
}
.item2 .i-slider1 .swiper-active-switch {
  border-color: #2998d5;
  background-color: #2998d5;
}

.item3 {
  width: 100%;
  position: relative;
}
.item3-bg {
  width: 100%;
  height: auto;
  display: block;
}

.item3-list {
  position: absolute;
  top: 16%;
  left: 15%;
  width: 70%;
  list-style: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
}
.item3-list li {
  float: left;
  width: 50%;
  height: 320px;
  overflow: hidden;
  padding-right: 15px;
  margin-bottom: 30px;
  box-sizing: border-box;
  position: relative;
  *zoom: 1;
}
.item3-list li a {
  display: block;
  width: 100%;
  height: 100%;
}
.item3-list li img {
  width: 100%;
  height: 100%;
  display: block;
}
.item3-list li p {
  position: absolute;
  top: 0;
  left: 0;
  right: 15px;
  bottom: 0;
  margin: 0;
  padding: 20px;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 16px;
  line-height: 1.6;
  text-align: center;
  padding-top: 150px;
  opacity: 0;
  filter: alpha(opacity=0);
  transition: opacity 0.3s ease;
  display: table;
  *position: relative;
}
.item3-list li p {
  display: table-cell;
  vertical-align: middle;
  *display: inline;
  *zoom: 1;
  text-align: center;
}
.item3-list li:hover p {
  opacity: 1;
  filter: alpha(opacity=100);
}

.item4 {
  width: 70%;
  margin: 80px auto;
}
.item4 ul {
  list-style: none;
  padding: 0;
  margin: 0 -15px;
  overflow: hidden;
}
.item4 li {
  float: left;
  width: 33.33%;
  padding: 0 15px;
  box-sizing: border-box;
}
.item4 li a {
  display: block;
  text-decoration: none;
  color: #333;
}
.item4 li img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 15px;
}
.item4 li p {
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}