.banner_wrap {
  height: 11.52rem;
  background-repeat: no-repeat;
  background-position: 50%;
  background-size: 100% 100%;
  background-image: url(../image/customer_story_banner.png);
  position: relative;
}
.banner_wrap .title_wrap {
  position: absolute;
  top: 50%;
  left: 20%;
  transform: translateY(-50%);
  
}
.banner_wrap .title_wrap .title {
  line-height: 1.56rem;
  font-size: 1.12rem;
  color: #fff;
  letter-spacing: 0;
  font-weight: 500;
  margin-bottom: 0.16rem;
}
.banner_wrap .title_wrap .desc {
  line-height: 0.5rem;
  font-size: 0.36rem;
  color: #fff;
  letter-spacing: 0;
  font-weight: 400;
}

.story_case_wrap {
  background: #f5f6fa;
  padding-bottom: 1.3rem;
}
.story_case_wrap .story_main_title {
  font-size: 0.8rem;
  color: #111f2c;
  letter-spacing: 0;
  text-align: center;
  font-weight: 500;
  padding: 1.6rem 0 0.8rem;
}
.story_case_wrap .story_main_title span {
  color: #07f;
}
.story_case_wrap .story_container_title {
  font-size: 0.5rem;
  display: flex;
  margin: 0.4rem 0;
  align-items: center;
}
.story_case_wrap .story_container_title::before {
  content: "";
  display: block;
  background: #4c6fff;
  width: 4px;
  height: 24px;
  border-radius: 0 9px 9px 0;
  margin-right: 6px;
}
.story_case_wrap .story_container {
  width: 24rem;
  margin: 0 auto;
}
.story_case_wrap .story_container .cases {
  margin-bottom: -0.48rem
}
.story_case_wrap .story_container .cases a {
  margin-right: 0.42rem;
}
.story_case_wrap .story_container .cases .case_item {
  display: inline-block;
  vertical-align: top;
  width: 7.52rem;
  height: 9.04rem;
  background: #fff;
  box-shadow: 0 0.08rem 0.24rem 0 rgba(48, 49, 51, .08);
  border-radius: 0.08rem;
  margin-bottom: 0.72rem;
  overflow: hidden;
  position: relative;
  transition: transform .2s, -webkit-transform .2s, -moz-transform .2s;
  cursor: pointer;
}
.story_case_wrap .story_container .cases a:nth-child(3n) {
  margin-right: 0;
}
.story_case_wrap .story_container .cases .case_item:hover {
  transform: translateY(-8px);
}
.story_case_wrap .story_container .cases .case_item .case_cover {
  width: 100%;
  height: 4.24rem;
  position: relative;
}
.story_case_wrap .story_container .cases .case_item .case_name {
  padding: 0.3rem 0.48rem 0.32rem;
  line-height: 0.56rem;
  font-size: 0.4rem;
  color: #111f2c;
  letter-spacing: 0;
  font-weight: 500;
  margin-bottom: 0;
}
.story_case_wrap .story_container .cases .case_item .case_desc {
  line-height: 0.44rem;
  font-size: 0.32rem;
  color: rgba(17, 31, 44, .7);
  letter-spacing: 0;
  text-align: justify;
  font-weight: 400;
  padding: 0 0.48rem;
  margin: 0;
}

.banner_wrap .mask {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.2);
  display: none;
}

@media (max-width: 980px) {
  .banner_wrap {
    background-image: url(../image/mobile/customer_story_banner.png);
    height: 106.667vw;
  }
  .banner_wrap .mask {
    display: block;
  }
  .story_case_wrap .story_main_title {
    font-size: 6.4vw;
    padding: 9.6vw 6vw 0 6vw;
  }
  .story_case_wrap .story_container_title {
    font-size: 5.2vw;
  }
  .story_case_wrap .story_container .cases{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .story_case_wrap .story_container .cases a {
    width: 90%;
  }
  .story_case_wrap .story_container .cases .case_item {
    width: 100%;
  }
  .story_case_wrap .story_container {
    width: 100%;
  }

  .banner_wrap .title_wrap .title {
    font-size: 1rem;
  }
  .banner_wrap .title_wrap {
    left: 10%;
    right: 10%;
  }
  .banner_wrap .title_wrap .desc {
    font-size: 0.34rem;
  }
  .banner_wrap .title_wrap .desc_2 {
    font-size: 0.42rem;
  }
}