.brief_box {
  margin: 100px 0;
}

.brief .l span p {
  text-indent: 2rem;
  line-height: 40px;
}

.brief .l {
  flex-direction: column;
  width: 45%;
}

.brief .r {
  width: 40%;
}

.brief .r img {
  display: block;
  max-width: 100%;
}

.bg_box {
  background-image: url(../image/about/36f7b783e0f9999c1c05efd55b919b8.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.content_box {
  padding: 100px 0 120px 0;
}

.content dl {
  line-height: 40px;
}

.bannercontent .swiper-slide img {
  display: block;
  max-width: 100%;
}

.swiper-containercontent {
  overflow: hidden;
}

.bannercontent .swiper-slide p {
  margin: 40px 20px 0 0 !important;
  text-align: center;
}

.bannercontent {
  margin: 0 0 60px 0;
  padding: 0 60px 60px 60px;
  box-sizing: border-box;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.content .dlm {
  margin: 0 0 60px 0 !important;
}

.content_box {
  background-image: url(../image/about/da7acfbbf22de9f85b6ca75314be684.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.bannercontent {
  position: relative;
}

.swiper-button-prevcontent,
.swiper-button-nextcontent {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  color: #3381F7;
  box-shadow: 2px 2px 2px #3381F7;
  border-radius: 50px;
}

.swiper-button-prevcontent:hover,
.swiper-button-nextcontent:hover {
  background: #3381F7;
  color: #fff;
  transition: all 0.6s;
}

.swiper-button-prevcontent {
  position: absolute;
  top: 40%;
  left: 0%;
  transform: translate(-50%, -50%);
}

.swiper-button-nextcontent {
  position: absolute;
  top: 40%;
  right: -2.2%;
  transform: translate(-50%, -50%);
}

.content dl dt {
  margin: 0 0 15px 0;
}

@media screen and (max-width: 1680px) {
  .brief .l h4 {
    font-size: 32px;
  }

  .brief .l span {
    font-size: 14px;
  }

  .brief .l span p {
    line-height: 35px;
  }

  .brief_box {
    margin: 90px 0;
  }

  .content_box {
    padding: 90px 0 110px 0;
  }

  .bannercontent {
    margin: 0 0 50px 0;
    padding: 0 50px 50px 50px;
  }

  .bannercontent .swiper-slide p {
    margin: 30px 20px 0 0 !important;
    font-size: 14px;
  }

  .content dl {
    line-height: 35px;
  }

  .content .dlm {
    margin: 0 0 50px 0 !important;
  }
}

@media screen and (max-width: 1600px) {
  .brief .l h4 {
    font-size: 28px;
  }

  .brief .l span p {
    line-height: 30px;
  }

  .brief_box {
    margin: 80px 0;
  }

  .content_box {
    padding: 80px 0 100px 0;
  }

  /* 
  .bannercontent {
    margin: 0 0 40px 0;
    padding: 0 40px 40px 40px;
  } */

  .bannercontent .swiper-slide p {
    margin: 20px 20px 0 0 !important;
  }

  .content dl {
    line-height: 30px;
  }

  .content .dlm {
    margin: 0 0 40px 0 !important;
  }
}

@media screen and (max-width: 1440px) {
  .brief .l h4 {
    font-size: 26px;
  }

  .brief .l span p {
    line-height: 25px;
  }

  .brief_box {
    margin: 70px 0;
  }

  .content_box {
    padding: 70px 0 90px 0;
  }

  /* .bannercontent {
    margin: 0 0 30px 0;
    padding: 0 30px 30px 30px;
  } */

  .content dl {
    line-height: 25px;
  }

  .content .dlm {
    margin: 0 0 30px 0 !important;
  }
}

@media screen and (max-width: 1366px) {
  .brief .l h4 {
    font-size: 24px;
  }

  .brief .l span p {
    line-height: 20px;
  }

  .brief_box {
    margin: 60px 0;
  }

  .content_box {
    padding: 60px 0 80px 0;
  }

  /* .bannercontent {
    margin: 0 0 20px 0;
    padding: 0 20px 20px 20px;
  } */

  .content .dlm {
    margin: 0 0 20px 0 !important;
  }

  .swiper-button-nextcontent {
    right: -5.2%;
  }
}

@media screen and (max-width: 1280px) {
  .brief .l h4 {
    font-size: 22px;
  }

  .brief_box {
    margin: 50px 0;
  }

  .content_box {
    padding: 50px 0 70px 0;
  }

  .content .dlm {
    margin: 0 0 15px 0 !important;
  }
}

@media screen and (max-width: 1024px) {
  .brief .l h4 {
    font-size: 20px;
  }

  .brief_box {
    margin: 40px 0;
  }

  .content_box {
    padding: 40px 0 60px 0;
  }
}

@media screen and (max-width: 980px) {
  .brief .l h4 {
    font-size: 18px;
  }

  .brief .l,
  .brief .r {
    width: 100%;
  }

  .brief {
    flex-wrap: wrap;
  }

  .brief .r img {
    margin: 0 auto;
  }

  .brief .l span {
    display: block;
    margin: 15px 0;
  }

  .brief .l span p {
    line-height: 1.5;
  }

  .brief_box {
    margin: 30px 0;
  }

  .content_box {
    padding: 30px 0 50px 0;
  }

  .content dl {
    line-height: 1.5;
  }

  .swiper-button-prevcontent,
  .swiper-button-nextcontent {
    display: none;
  }


  .bannercontent {
    margin: 0 0 40px 0;
    padding: 0 40px 40px 40px;
  }
}

@media screen and (max-width: 768px) {
  .brief .l h4 {
    font-size: 16px;
  }

  .brief .l span p {
    line-height: 1.3;
  }

  .brief_box {
    margin: 20px 0;
  }

  .content_box {
    padding: 20px 0 40px 0;
  }

  .content dl {
    line-height: 1.3;
  }

  .bannercontent {
    margin: 0 0 30px 0;
    padding: 0 30px 30px 30px;
  }
}

@media screen and (max-width: 640px) {
  .content_box {
    padding: 15px 0 30px 0;
  }

  .bannercontent {
    margin: 0 0 20px 0;
    padding: 0 20px 20px 20px;
  }
}

@media screen and (max-width: 375px) {
  .content_box {
    padding: 15px 0 20px 0;
  }
}