/* IE浏览器样式 */
.container {
  margin: 0 auto;
  width: 100%;
  max-width: 1920px;
}
/* 头部 */
.header {
  width: 100%;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.header-bg {
  width: 100%;
  height: auto;
  display: block;
}
.header-bg img {
  width: 100%;
  height: auto;
}

.header-bg-wap{
  display:none;
}

.header-title1 {
  position: absolute;
  top: 15%;
  left: 22%;
  width: 23%;
  height: auto;
  display: block;
  z-index: 4;
}

.header-title1 img {
  width: 100%;
  display: block;
}
.header-title2 {
  position: absolute;
  top: 52%;
  left: 22%;
  width: 20%;
  height: auto;
  display: block;
  z-index: 4;
}
.header-title2 img {
  width: 100%;
  display: block;
}
.header-title3 {
  position: absolute;
  top: 59%;
  left: 22%;
  width: 38%;
  height: auto;
  display: block;
  z-index: 4;
}
.header-title3 img {
  width: 100%;
  display: block;
}
/* 尾部 */
.footer {
  width: 100%;
  background: #1578af;
  padding: 20px;
  font-size: 16px;
  line-height: 24px;
  color: #fff;
  text-align: center;
}
/* 内容样式 */
.content {
  width: 75%;
  margin: 0 auto;
}

.item-title {
  width: 45%;
  margin: 0 auto;
  margin-bottom: 30px;
}

.item-title img {
  width: 100%;
  display: block;
  vertical-align: middle;
}

.item1, .item2, .item3 {
  width: 100%;
  margin: 30px auto 0px auto;
  overflow: hidden;
  zoom: 1;
}

.item3 {
  margin-bottom: 30px;
}

.item1 .i-slider1 {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
.item1 .i-slider1 .sliderInner {
  position: relative;
  overflow: hidden;
}
.item1 .i-slider1 .sliderInner ul {
  width: 100%;
  height:auto !important
}
.item1 .i-slider1 .sliderInner,
.item1 .i-slider1 .sliderInner li {
  width: 100%;
  height: 343px;
  overflow: hidden;
}
.item1 .i-slider1 .sliderInner li {
  float: left;
  box-sizing: border-box;
  padding: 1px;
}
.item1 .i-slider1 .img-box {
  float: left;
  overflow: hidden;
  margin-right: 50px;
   max-width: 50%;
}
.item1 .i-slider1 .img-box,
.item1 .i-slider1 .img-box img {
  display: block;
  width: 600px;
  height: 343px;
}
.item1 .i-slider1 .list-text {
  overflow: hidden;
  padding-top: 5%;
}
.item1 .i-slider1 .list-tit {
  width: 100%;
  height: auto;
  overflow: hidden;
  font-size: 24px;
  line-height: 36px;
  font-weight: 700;
}
.item1 .i-slider1 .list-tit a {
  display: block;
}
.item1 .i-slider1 .list-desc {
  color: #4b4b4b;
  font-size: 18px;
  line-height: 24px;
  margin-top: 15px;
  
}
.item1 .i-slider1 .slider-cur {
  position: absolute;
  top: 254px;
  left: 650px;
  z-index: 100;
}
.item1 .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;
}
.item1 .i-slider1 .swiper-active-switch {
  border-color: #2998d5;
  background-color: #2998d5;
}

/* item3样式 */
.item3 .i-slider3 {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
.item3 .i-slider3 .sliderInner {
  position: relative;
  overflow: hidden;
}
.item3 .i-slider3 .sliderInner ul {
  width: 100%;
}
.item3 .i-slider3 .sliderInner,
.item3 .i-slider3 .sliderInner li {
  width: 100%;
  height: 343px;
  overflow: hidden;
}
.item3 .i-slider3 {
  position: relative;
  padding: 0 80px;
  width: 100%;
}
.item3 .i-slider3 .sliderInner li {
  float: left;
  box-sizing: border-box;
  padding: 1px;
}
.item3 .i-slider3 .img-box {
  float: left;
  overflow: hidden;
  margin-right: 50px;
  max-width: 50%;
}
.item3 .i-slider3 .img-box,
.item3 .i-slider3 .img-box img {
  display: block;
  width: 600px;
  height: 343px;
}
.item3 .i-slider3 .list-text {
  overflow: hidden;
  padding-top: 10%;
}
.item3 .i-slider3 .list-tit {
  width: 100%;
  height: auto;
  overflow: hidden;
  font-size: 24px;
  line-height: 36px;
  font-weight: 700;
}
.item3 .i-slider3 .list-tit a {
  display: block;
}
.item3 .i-slider3 .list-desc {
  color: #4b4b4b;
  font-size: 18px;
  line-height: 24px;
  margin-top: 15px;
}
.item3 .i-slider3 .swiper-button-prev,
.item3 .i-slider3 .swiper-button-next {
  position: absolute;
  top: 50%;
  width: 60px;
  height: 60px;
  margin-top: -30px;
  cursor: pointer;
  z-index: 100;
  background-size: 100% 100%;
  opacity: 0.8;
  transition: opacity 0.3s;
}
.item3 .i-slider3 .swiper-button-prev:hover,
.item3 .i-slider3 .swiper-button-next:hover {
  opacity: 1;
}
.item3 .i-slider3 .swiper-button-prev {
  background-image: url(../images/left.png);
  left: 0;
}
.item3 .i-slider3 .swiper-button-next {
  background-image: url(../images/right.png);
  right: 0;
}

/* item2 轮播图 - item4-carousel 样式 */
.item2 .item-content {
  position: relative;
  width: 100%;
}

.item4-carousel-wrapper {
  width: 90%;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

.item4-carousel-container {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.item4-carousel-track {
  width: 100%;
  white-space: nowrap;
  font-size: 0;
  /* margin: 0 -10px; */
}

.item4-carousel-slide {
  display: inline-block;
  width: 33.334%;
  white-space: normal;
  vertical-align: top;
  position: relative;
  overflow: hidden;
  font-size: 16px;
  padding: 0 10px;
}

.item4-carousel-slide .img-box {
  width: 100%;
  height: 500px;
}

.item4-carousel-slide .img-box a {
  display: block;
  width: 100%;
  height: 500px;
  padding-bottom: 56.25%;
  overflow: hidden;
  position: relative;
  box-sizing: content-box;
}

.item4-carousel-slide .img-box img {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.item4-carousel-slide .slide-caption {
  position: absolute;
  bottom: 0;
  left: 10px;
  right: 10px;
  background: #000;
  background: rgba(0, 0, 0, 0.6);
  padding: 20px 15px;
  z-index: 10;
  pointer-events: none;
}

.item4-carousel-slide .slide-caption p {
  color: #fff;
  font-size: 16px;
  line-height: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: wrap;
}

/* 左右箭头 */
.item4-carousel-prev,
.item4-carousel-next {
  position: absolute;
  top: 50%;
  width: 60px;
  height: 60px;
  margin-top: -30px;
  cursor: pointer;
  z-index: 100;
  background-size: 100% 100%;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.item4-carousel-prev:hover,
.item4-carousel-next:hover {
  opacity: 1;
}

.item4-carousel-prev {
  left: 0;
  background-image: url(../images/left.png);
}

.item4-carousel-next {
  right: 0;
  background-image: url(../images/right.png);
}


/* ========== Loader 动画样式 ========== */
.item-title {
  position: relative;
  align-items: center;
}

.item-title .loader {
  width: 78px;
  height: 78px;
  position: absolute;
  left: -70px;
  flex-shrink: 0;
  margin-left: 20px;
}

.item-title .loader:after {
  content: '';
  width: 100%;
  height: 100%;
  background: url('../images/jump.png') no-repeat center center;
  background-size: contain;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}