.case_details_content img {
  display: block;
  margin: 80px 0 0 0;
  width: 50%;
}

.case_details .name_time {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case_details_content p {
  margin: 59px 0 38px 0;
}

.case_details {
  margin: 100px 0 120px 0;
}

/* case_introduce */
.case_introduce {
  display: flex;
  justify-content: space-between;
}

.case_introduce .l {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 100px 0 30px 0;
  width: 45%;
}

.case_introduce .l h4 {
  color: #0A2F66;
}

.case_introduce .l h4::after {
  content: "";
  display: block;
  margin: 40px 0 0 0;
  width: 100px;
  height: 6px;
  background: #0A2F66;
  border-radius: 3px;
}

.case_introduce .l img {
  position: relative;
  left: -25%;
  display: block;
  width: 170%;
}

.case_introduce .r {
  position: relative;
  width: 30%;
}

.case_introduce .r img {
  display: block;
  width: 100%;
}

.case_introduce .r .case_productpbox {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 80px 30px;
  background-color: #fff;
  box-sizing: border-box;
  box-shadow: 0px 0px 30px rgb(0, 0, 0, 0.3);
}

/* classics_case */
.classics_case_box {
  margin: 100px 0 120px 0;
}

.classics_case_title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 60px 0;
}

.swiper-containerclassics {
  overflow: hidden;
}

.swiper-containerclassics ul li a .text_box {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 20px 0 20px 40px;
  width: 60%;
  border-top-right-radius: 50px;
  background-color: rgba(36, 107, 179, 0.4);
}

.swiper-containerclassics ul li {
  width: 30%;
}

.swiper-containerclassics ul {
  display: flex;
  justify-content: space-between;
}

.swiper-containerclassics ul li a {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
}

.swiper-containerclassics ul li a h4 {
  color: #fff;
  font-size: 20px;
}

.swiper-containerclassics ul li a img {
  display: block;
  width: 100%;
}

.swiper-containerclassics ul li a:hover img {
  transform: scale(1.1);
  transition: 0.6s;
}

@media screen and (max-width: 1680px) {
  .case_details {
    margin: 90px 0 90px 0;
  }

  .case_details .name_time h4 {
    font-size: 32px;
  }

  .case_details .name_time h5 {
    font-size: 24px;
  }

  .case_details_content p {
    margin: 50px 0 30px 0;
    font-size: 24px;
  }

  .case_details_content span {
    font-size: 18px;
  }

  .case_details_content img {
    margin: 70px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 32px;
  }

  .case_introduce .l h4::after {
    margin: 35px 0 0 0;
  }

  .case_introduce .l span {
    font-size: 18px;
  }

  .case_introduce .l {
    padding: 90px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 70px 30px;
  }

  /* classics_case */
  .classics_case_box {
    margin: 90px 0 90px 0;
  }

  .classics_case_title {
    margin: 0 0 50px 0;
  }

  .classics_case_title h4 {
    font-size: 32px;
  }

  .classics_case_title a {
    font-size: 24px;
  }

  .swiper-containerclassics ul li a h4 {
    font-size: 18px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 35px;
  }
}

@media screen and (max-width: 1600px) {
  .case_details {
    margin: 80px 0 80px 0;
  }

  .case_details .name_time h4 {
    font-size: 28px;
  }

  .case_details .name_time h5 {
    font-size: 22px;
  }

  .case_details_content p {
    margin: 40px 0 25px 0;
    font-size: 22px;
  }

  .case_details_content span {
    font-size: 16px;
  }

  .case_details_content img {
    margin: 60px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 28px;
  }

  .case_introduce .l h4::after {
    margin: 30px 0 0 0;
  }

  .case_introduce .l span {
    font-size: 16px;
  }

  .case_introduce .l {
    padding: 80px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 60px 30px;
  }

  /* classics_case */
  .classics_case_box {
    margin: 80px 0 80px 0;
  }

  .classics_case_title {
    margin: 0 0 40px 0;
  }

  .classics_case_title h4 {
    font-size: 28px;
  }

  .classics_case_title a {
    font-size: 22px;
  }

  .swiper-containerclassics ul li a h4 {
    font-size: 16px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 35px;
  }
}

@media screen and (max-width: 1440px) {
  .case_details {
    margin: 70px 0 70px 0;
  }

  .case_details .name_time h4 {
    font-size: 26px;
  }

  .case_details .name_time h5 {
    font-size: 20px;
  }

  .case_details_content p {
    margin: 30px 0 20px 0;
    font-size: 20px;
  }

  .case_details_content span {
    font-size: 14px;
  }

  .case_details_content img {
    margin: 50px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 26px;
  }

  .case_introduce .l h4::after {
    margin: 25px 0 0 0;
  }

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

  .case_introduce .l {
    padding: 70px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 50px 30px;
  }

  /* classics_case */
  .classics_case_box {
    margin: 70px 0 70px 0;
  }

  .classics_case_title {
    margin: 0 0 30px 0;
  }

  .classics_case_title h4 {
    font-size: 26px;
  }

  .classics_case_title a {
    font-size: 20px;
  }

  .swiper-containerclassics ul li a h4 {
    font-size: 16px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 35px;
  }
}

@media screen and (max-width: 1366px) {
  .case_details {
    margin: 60px 0 60px 0;
  }

  .case_details .name_time h4 {
    font-size: 24px;
  }

  .case_details .name_time h5 {
    font-size: 18px;
  }

  .case_details_content p {
    margin: 25px 0 20px 0;
    font-size: 18px;
  }

  .case_details_content img {
    margin: 40px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 24px;
  }

  .case_introduce .l h4::after {
    margin: 20px 0 0 0;
  }

  .case_introduce .l {
    padding: 60px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 40px 30px;
  }

  /* classics_case */
  .classics_case_box {
    margin: 60px 0 60px 0;
  }

  .classics_case_title {
    margin: 0 0 20px 0;
  }

  .classics_case_title h4 {
    font-size: 24px;
  }

  .classics_case_title a {
    font-size: 18px;
  }

  .swiper-containerclassics ul li a h4 {
    font-size: 14px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 35px;
  }
}

@media screen and (max-width: 1280px) {
  .case_details {
    margin: 50px 0 50px 0;
  }

  .case_details .name_time h4 {
    font-size: 22px;
  }

  .case_details .name_time h5 {
    font-size: 16px;
  }

  .case_details_content p {
    margin: 20px 0 20px 0;
    font-size: 16px;
  }

  .case_details_content img {
    margin: 30px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 22px;
  }

  .case_introduce .l h4::after {
    margin: 15px 0 0 0;
  }

  .case_introduce .l {
    padding: 50px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 30px 30px;
  }

  /* classics_case */
  .classics_case_box {
    margin: 50px 0 50px 0;
  }

  .classics_case_title {
    margin: 0 0 15px 0;
  }

  .classics_case_title h4 {
    font-size: 22px;
  }

  .classics_case_title a {
    font-size: 16px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 30px;
  }
}

@media screen and (max-width: 1024px) {
  .case_details {
    margin: 40px 0 40px 0;
  }

  .case_details .name_time h4 {
    font-size: 20px;
  }

  .case_details .name_time h5 {
    font-size: 14px;
  }

  .case_details_content p {
    margin: 20px 0 20px 0;
    font-size: 14px;
  }

  .case_details_content img {
    margin: 20px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 20px;
  }

  .case_introduce .l {
    padding: 40px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 20px 20px;
  }

  .case_introduce .l h4::after {
    margin: 15px 0 15px 0;
  }

  /* classics_case */
  .classics_case_box {
    margin: 40px 0 40px 0;
  }

  .classics_case_title h4 {
    font-size: 20px;
  }

  .classics_case_title a {
    font-size: 14px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 25px;
  }
}

@media screen and (max-width: 980px) {
  .case_details {
    margin: 40px 0 40px 0;
  }

  .case_details .name_time h4 {
    font-size: 18px;
  }

  .case_details_content p {
    margin: 10px 0 10px 0;
    font-size: 14px;
  }

  .case_details_content img {
    margin: 20px 0 0 0;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 18px;
  }

  .case_introduce .l {
    padding: 30px 0 30px 0;
  }

  .case_introduce .r .case_productpbox {
    padding: 15px 15px;
  }

  .case_introduce {
    flex-wrap: wrap;
  }

  .case_introduce .l {
    /* margin: 0 auto; */
    width: 100%;
  }

  .case_introduce .l img {
    left: 0;
    margin: 10px 0 0 0;
    width: 100%;
  }

  .case_introduce .r {
    margin: 0 auto;
    width: 41%;
  }

  /* classics_case */
  .classics_case_box {
    margin: 30px 0 30px 0;
  }

  .classics_case_title h4 {
    font-size: 18px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 20px;
  }
}

@media screen and (max-width: 768px) {
  .case_details {
    margin: 30px 0 30px 0;
  }

  .case_details .name_time h4 {
    font-size: 16px;
  }

  /* case_introduce */
  .case_introduce .l h4 {
    font-size: 16px;
  }

  .case_introduce .l {
    padding: 20px 0 20px 0;
  }

  .case_introduce .l span {
    font-size: 14px;
    line-height: 1.5;
  }

  /* classics_case */
  .classics_case_box {
    margin: 20px 0 20px 0;
  }

  .classics_case_title h4 {
    font-size: 16px;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 15px 0 15px 15px;
  }

  .swiper-containerclassics ul li a .text_box {
    width: 80%;
  }
}

@media screen and (max-width: 640px) {
  .swiper-containerclassics ul li a .text_box {
    width: 100%;
  }

  .swiper-containerclassics ul li a .text_box {
    padding: 0;
    border-top-right-radius: 0;
  }

  .swiper-containerclassics ul li a h4 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 10em;
  }
}

@media screen and (max-width: 375px) {
  .swiper-containerclassics ul li a h4 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 7em;
  }
}