* {
  box-sizing: border-box;
}
html,
body {
  padding: 0;
  margin: 0;
  position: relative;
}
html{
  min-width: 1300px;
}

a{
  text-decoration: none;
}

body {
  background: url("../img/big_bg.jpg");
  background-repeat: no-repeat;
  background-position: center top;
}

.app {
  width: 1300px;
  margin: auto;
  padding: 0px 50px;
  padding-top: 600px;
  padding-bottom: 10px;
}

.swiper-container {
  width: 520px;
  height: 381px;
  background-color: #fff;
}
.swiper-wrapper {
  /* 通过改变animation-timing-function 制作弹性切换效果 */
  /*
  transition: 2s cubic-bezier(0.68, -0.4, 0.27, 1.34) 0.2s;
  */
}
.swiper-pagination-bullet-active {
  background: #fff !important;
}
.swiper-container .banner_box {
  position: relative;
  width: 100%;
  height: 100%;
}
.swiper-container .bgc_img1 {
  background: url("../img/middle_bg.jpg");
  background-size: cover;
}
.swiper-container .bgc_img2 {
  background: url("../img/small_bg1.jpg");
  background-size: cover;
}
.swiper-container .bgc_img3 {
  background: url("../img/small_bg2.jpg");
  background-size: cover;
}
.swiper-container .bgc_img4 {
  background: url("../img/small_bg5.jpg");
  background-size: cover;
}
.swiper-container .banner_box .banner_tips {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 48px;
  line-height: 48px;
  text-align: center;
  color: #fff;
  font-size: 18px;
  background-color: rgba(255, 0, 0, 0.5);
}

.frame_1 {
  width: 100%;
  border-radius: 10px;
  background-color: #fff;
  box-shadow: 0 0px 10px 5px rgba(162, 15, 17, 0.3);
  padding: 35px;
  padding-top: 10px;
}
.see_more{
  padding: 15px 0;
  text-align: center;
}
.see_more>div{
  float: right;
  margin-top: 8px;
}
.frame_1_box{
  display: flex;
  flex-flow: row nowrap;
  justify-content: flex-start;
  align-items: flex-start;
}
.frame_1 .frame_1_box> div:first-child {
  width: 520px;
  height: 380px;
}
.frame_1_box > .items {
  flex: 1;
  margin-left: 40px;
}
.frame_1_box > .items > .item:not(:first-child) {
  margin-top: 15px;
}
.frame_1_box > .items > .item > .title {
  font-size: 25px;
  font-weight: 500;
}
.frame_1_box > .items > .item > .summary {
  margin-top: 5px;
  font-size: 14px;
  line-height: 25px;
  color: #6f6f6f;
}
.frame_4,
.frame_2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-row-gap: 15px;
  grid-column-gap: 24px;
  margin-top: 60px;
}
.frame_4 h2,
.frame_2 h2 {
  font-size: 25px;
}

.small_item {
  display: flex;
  flex-flow: row nowrap;
  justify-content: flex-start;
  align-items: flex-start;
}
.small_item > div:first-child {
  width: 308px;
  height: 180px;
  position: relative;
  overflow: hidden;
}
.small_item > div:first-child:hover{
  cursor: pointer;
}
.small_item > div:first-child:hover .tips{
  padding: 40px 15px;
  background-color: rgba(0, 0, 0, 0.5);
}
.small_item > div:first-child .tips {
  display: none;
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 15px;
  transition: all 300ms ease;
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
  text-align: center;
  font-size: 14px;
  overflow:hidden; 
  text-overflow:ellipsis; 
  white-space:nowrap;
}
.small_item > .cont_small {
  flex: 1;
  margin-left: 30px;
  line-height: 25px;
  font-size: 14px;
  color: #6f6f6f;
}
.frame_5,
.frame_3 {
  margin-top: 50px;
}

.frame_5  img,
.frame_3  img {
  width: 100%;
}

.grid_col4{
  display: grid;
  grid-template-columns: repeat(4,1fr);
  grid-column-gap: 50px;
  margin-top: 30px;
  margin-bottom: 50px;
}
.grid_col4>div{
  width: 260px;
}

.grid_col4 img{
  width: 100%;
  height: 170px;
}

.grid_col4 .contnet{
  padding-top: 5px;
  line-height: 1.5;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  color: black;
}

.article_title{
  font-size: 16px;
  line-height: 36px;
}









      .clearfix:after {
    content: "\20";
    display: block;
    height: 0;
    clear: both;
}

.clearfix {
    *zoom: 1;
    _zoom: 1
}
/*  app foot */
.app_foot {
    position: relative;
    background-color: #be2b22;
    color: #fff;
    padding: 30px 0;
    font-size: 12px;
}


.app_foot .info {
    position: relative;
    width: 1200px;
    margin: auto;
    padding: 0 0 50px 0;
}

.app_foot .info .info_l {
    float: left;
}

.app_foot .info .info_r {
    float: right;
}

.app_foot .info .info_l > .logo {
    width: 80px;
}

.app_foot .info .info_l > div {
    float: left;
}

.app_foot .info .info_l > div.copyright {
    line-height: 20px;
    padding-left: 46px;
    margin-top: 4px;
}

.app_foot .info .info_l > div.copyright span {
    font-size: 14px;
    display: block;
    font-weight: 700;
    margin-bottom: -7px;
}

.app_foot .info .info_r div {
    margin-bottom: 10px;
}

.app_foot .info .info_r div a {
    color: #fff !important;
    margin-right: 30px;
}

.app_foot .info .info_r div a:hover {
    color: #fff !important;
}

.app_foot .info .info_r {
    padding: 5px 0 18px 0;
    line-height: 20px;
}

.foot_ba {
    position: absolute;
    bottom: 19px;
    left: 126px;
}

.foot_ba span {
    display: inline-block;
    height: 20px;
    line-height: 20px;
    float: left;

}

.foot_sm {
    position: absolute;
    bottom: 0px;
    left: 126px;
}





.zfwershida{
  padding: 20px 0;
}

.tjts > div{
  position: relative;
  width: 1200px;
  margin: auto;
  margin-top:30px;
}
.tjts .mySwiper{
  overflow: hidden;
}

.tjts .mySwiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 480px;
  /* object-fit: cover; */
}

.tjts .mySwiper  .contnet{
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: black;
}

.tjts .swiper-button-next{
  background: url(../img/right.png);
  width: 42px !important;
  height: 110px !important;
  border-radius: 3px;
  right: -50px !important;
}
.tjts .swiper-button-next:after{
  display: none;
}


.tjts .swiper-button-prev{
  background: url(../img/left.png);
  width: 42px !important;
  height: 110px !important;
  border-radius: 3px;
  left: -50px !important;
}
.tjts .swiper-button-prev:after{
  display: none;
}