/*改变了颜色和加粗的样式*/
.swiper-button-next {
  transform: translateX(100%);
  right: -30px;
  height: 40px;
  width: 40px;
  border-radius: 100%;
  border: 2px solid #4077b3;
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
}

/*Swiper原样式 */
/*改变了颜色和加粗的样式*/
.swiper-button-prev {
  transform: translateX(-100%);
  left: -30px;
  height: 40px;
  width: 40px;
  border-radius: 100%;
  border: 2px solid #4077b3;
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
  opacity: 1;
}

.swiper-button-next:after,
.swiper-button-prev:after {
  font-size: 16px;
  font-weight: bold;
  color: #4077b3;
}

.overview-section1 {
  width: 100%;
  height: auto;
}

.overview-slide {
  width: 100%;
}

.overview-section1-imgcon {
  width: 100%;
  height: 100%;
  /* position: relative; */
  /* overflow: hidden; */
}

.overview-section1-imgcon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.overview-section1 {
  position: relative;
  font-size: 0;
}

.overview-section1 img {
  width: 100%;
}
/* -----------------section2 ----------------- */
.overview-section2 {
  background-image: url(../images/overview/bg1.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.overview-section2 .overview-box {
  padding-top: 58px;
  padding-bottom: 108px;
}
.overview-title {
  font-weight: 400;
  font-size: 38px;
  color: #282d3e;
  line-height: 55px;
  text-align: left;
}

.overview-subtitle {
  height: 17px;
  margin: 10px 0px 23px 0;
  font-weight: 400;
  font-size: 12px;
  color: #9196a1;
  line-height: 17px;
  text-align: left;
}

.overview-trititle {
  height: 26px;
  font-weight: 700;
  font-size: 18px;
  color: #626875;
  line-height: 26px;
}

.overview-top {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 0 60px;
  padding-bottom: 100px;
}
.overview-wrap-count {
  color: #626875;
  font-weight: 600;
}
.overview-top-l {
  width: 50%;
  font-weight: 500;
  font-size: 14px;
  color: #626875;
  line-height: 20px;
  text-align: left;
  padding-right: 60px;
}

.overview-top-lt {
  margin-bottom: 50px;
}
.overview-top-lt:last-child {
  margin: 0;
}

.overview-top-l p {
  font-weight: 500;
  font-size: 16px;
  color: #626875;
  line-height: 28px;
  text-align: left;
  text-align: justify;
}

.overview-top-l .overview-top-l-title {
  font-weight: 700;
  font-size: 24px;
  color: #1b2e78;
  /* color: #626875; */
  line-height: 46px;
  text-align: left;
  margin-bottom: 10px;
}

.overview-top-r {
  width: 50%;
  font-weight: 500;
  font-size: 14px;
  color: #626875;
  line-height: 20px;
}
.overview-top-r img {
  width: 100%;
}
/* -----------------section3 ----------------- */
.overview-section3-box {
  width: 100%;
  background: url(../images/overview/395.png) center no-repeat;
  background-size: cover;
  position: relative;
  padding: 80px 0;
}

.overview-section3-con {
  padding-left: 50%;
  padding-right: 60px;
}

.overview-section3-con1 {
  font-weight: 530;
  font-size: 38px;
  color: #ffffff;
  line-height: 68px;
  text-align: left;
  margin-bottom: 20px;
}

.overview-section3-con2 {
  font-weight: 500;
  font-size: 16px;
  color: #f5f7ff;
  line-height: 30px;
  text-align: left;
  text-align: justify;
}

/* -----------------section4 ----------------- */
.overview-section4 {
  padding-top: 93px;
  background: url(../images/overview/4022.png) center no-repeat;
  background-size: auto;
  background-position: bottom center;
  padding-bottom: 80px;
  margin-bottom: 60px;
}
.overview-section4-top {
  padding-top: 0;
}

.overview-zz {
  font-family: Source Han Sans, Source Han Sans;
  font-style: normal;
  text-transform: none;
  padding: 82px 93px 0 93px;
}

.overview-title {
  font-weight: 400;
  font-size: 38px;
  color: #282d3e;
  line-height: 55px;
}

.overview-subtitle {
  height: 17px;
  margin: 10px 0px 23px 0;
  font-weight: 400;
  font-size: 12px;
  color: #9196a1;
  line-height: 17px;
  text-align: left;
}

.overview-zizhi {
  position: relative;
  width: 100%;
  padding-top: 100px;
}

.overview-suil {
  position: absolute;
  top: -50px;
  left: 0;
}

.overview-suir {
  position: absolute;
  top: -50px;
  right: 0;
}

.overview-items {
  width: 70%;
  margin: 0 auto;
  position: relative;
}

.overview-prevbtn {
  width: 35px !important;
  height: 35px !important;
  left: -5% !important;
  background: rgb(196, 207, 223);
  /* border-radius: 50% !important; */
  top: 50% !important;
}

.overview-nextbtn {
  width: 35px !important;
  height: 35px !important;
  right: -5% !important;
  background: rgb(196, 207, 223);
  top: 50% !important;
}
.swiper-container {
  width: 100%;
  overflow: hidden;
  /* padding-top: 50px; */
  /* padding-bottom: 50px; */
}
.swiper-slide {
  background-position: center;
  background-size: cover;
  width: 274px;
  height: auto;
}

@media screen and (max-width: 1200px) {
  .overview-section2 .overview-box {
    padding-top: 30px;
    padding-bottom: 10px;
  }
  .overview-title {
    font-size: 22px;
    font-weight: 550;
    line-height: 26px;
  }
  /* -----------------section2 ----------------- */
  .overview-box {
    padding: 15px 10px 0px 10px;
    display: block;
  }

  .overview-top {
    display: block;
    height: auto;
    padding-bottom: 30px;
    padding: 0;
  }

  .overview-top-l {
    width: 100%;
    padding: 8px;
  }

  .overview-top-r {
    width: 100%;
  }

  .overview-top-l .overview-top-l-title {
    font-weight: 520;
    font-size: 20px;
    line-height: 24px;
  }
  .overview-top-lt {
    margin-bottom: 10px;
  }
  .overview-top-l p {
    font-size: 14px;
  }
  /* -----------------section3 ----------------- */
  .overview-section3-box {
    padding: 30px 0;
  }
  .overview-section3-con {
    width: 100%;
    padding: 0 10px;
  }

  .overview-section3-con1 {
    font-size: 20px;
    line-height: 32px;
    margin-bottom: 10px;
  }
  .overview-section3-con2 {
    font-size: 14px;
    line-height: 24px;
  }
  .overview-top-r {
    padding: 0 10px;
    margin-top: 10px;
  }
  /* -----------------section4 ----------------- */
  .overview-suir,
  .overview-suil {
    display: none;
  }
  .overview-zizhi {
    padding-top: 30px;
  }
  .overview-section4 {
    padding-top: 30px;
    padding-bottom: 30px;
            background-size: 100%;
  }
  .overview-title1 {
    margin-bottom: 0;
  }
  .overview-zz {
    padding: 30px 10px;
  }
  .overview-section4-top {
    margin-top: 0;
    margin-bottom: 0;
    padding: 0 10px;
  }
  .overview-items {
    width: calc(100% - 20px);
  }
  .swiper-slide {
    width: 50%;
    height: auto;
  }

  .tabImg {
    width: 100px !important;
    height: 150px !important;
  }

  .overview-prevbtn {
    width: 35px !important;
    height: 35px !important;
    left: 1% !important;
    background: rgb(196, 207, 223);
    top: 20% !important;
  }

  .overview-nextbtn {
    width: 35px !important;
    height: 35px !important;
    right: 5% !important;
    background: rgb(196, 207, 223);
    top: 20% !important;
  }

  .main-box {
    left: -130% !important;
  }
  .swiper-button-prev {
    transform: none;
    left: 10px;
    margin-top: 0;
  }
  .swiper-button-next {
    transform: none;
    right: 10px;
    margin-top: 0;
  }
  .overview-section2 {
    padding-bottom: 20px;
  }
}