.introduction_title {
  overflow: hidden;
  margin: 32px auto 0;
}
.introduction_title li {
  display: inline-block;
  width: 219px;
  padding-bottom: 26px;
  /* font-size: 22px; */
  line-height: 36px;
}
.introduction_title li img {
  width: 38px;
  margin-right: 18px;
}
.introduction_title .on {
  border-bottom: 4px solid #e10033;
  color: #e10033;
}
.introduction_title .on a {
  color: #e10033;
}
.introduction_new_content li {
  display: none;
}
.introduction_new_content li:nth-child(1) {
  display: block;
}
.product_details h5 {
  margin-bottom: 31px;
}
.product_details p {
  color: #797f86;
  margin-bottom: 30px;
  line-height: 1.5;
}
.product_details span {
  display: block;
  width: 157px;
  height: 38px;
  text-align: center;
  line-height: 38px;
  color: #fff;
  background: #e10033;
  margin-top: 60px;
  cursor: pointer;
  transition: all 0.5s;
}
.product_details span:hover {
  background-color: #b81c25;
}
.product_details {
  background: #f5f7f9;
  padding: 128px 0 180px;
}
.product_add {
  overflow: hidden;
}

/* 产品特性 */

.product_peculiarity_box {
  color: #fff;
}
.product_peculiarity_box .product_peculiarity_box_h5 {
  text-align: center;
  margin: 100px 0 90px;
}
.product_peculiarity_box ul {
  overflow: hidden;
}
.product_peculiarity_box li {
  height: 328px;
}
.product_peculiarity_box li:last-child {
  border-right: 0;
}
.product_peculiarity {
  position: relative;
}
.product_peculiarity_box {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
}
.productBg {
  height: 100%;
}
.product_peculiarity_box img {
  display: block;
  height: 92px;
  margin: 0 auto;
}
.product_peculiarity_box ul li h5 {
  margin: 47px 0 27px;
  text-align: center;
}
.product_peculiarity_box ul li p {
  margin: 0 55px 0 66px;
  line-height: 25px;
  text-align: justify;
}
.introduction_title a {
  display: block;
  height: 100%;
  color: #000;
}
/* 功能列表 */
.details_function_list {
  overflow: hidden;
}
.details_function_list h5 {
  margin: 118px 0 63px;
  text-align: center;
}
.details_function_list div {
  width: 315px;
  height: 103px;
  text-align: center;
  line-height: 102px;
  background: #dde6ed;
  border-bottom: 1px solid #fff;
}
.details_function_list li {
  overflow: hidden;
}
.details_function_list p {
  font-size: 18px;
  vertical-align: middle;
  border: 1px solid #dadfe3;
  position: relative;
  float: right;
  width: calc(100% - 315px);
  box-sizing: border-box;
}
.details_function_list p span {
  display: block;
  margin: auto 80px;
  color: #7a8087;
  line-height: 25px;
}
/* 典型部署 */
.details_deploy {
}
.details_deploy h5 {
  text-align: center;
  margin: 100px 0 60px;
}
.details_deploy img {
  display: block;
  margin-bottom: 106px;
}

@media screen and (min-width: 1440px) {
  .area {
    width: 1440px;
    margin: 0 auto;
  }
  .introduction_title {
    width: 1156px;
  }
  .product_bg img {
    margin-top: 47px;
  }
  .product_add .product_content,
  .product_add .product_bg {
    float: left;
    width: 49%;
  }
  /* 产品特性 */
  .product_peculiarity {
    position: relative;
    height: 660px;
  }
  .product_peculiarity .productBg {
    width: 100%;
  }
  .product_peculiarity_box li {
    float: left;
    width: 355px;
    border-right: 1px solid #5c6f9e;
  }
  .introduction_title li {
    padding-right: 66px;
  }
  .details_function_list p {
    width: 1120px;
  }
  .details_function_list div,
  .details_function_list p {
    float: left;
  }
  .details_function_list p {
    height: 102px;
  }
  .details_function_list p span {
    position: absolute;
    top: 50%;
    padding: 10px 0;
    transform: translate(0, -50%);
  }
  .introduction_title li img {
    margin-left: 75px;
  }
}
@media screen and (min-width: 1024px) and (max-width: 1440px) {
  .area {
    width: 100%;
  }
  .product_add .product_content,
  .product_add .product_bg {
    float: left;
    width: 49%;
  }
  .product_bg img {
    width: 85%;
  }
  .product_bg img {
    margin-top: 47px;
  }
  .introduction_title li {
    float: left;
    width: 25%;
  }
  .product_peculiarity_box li {
    float: left;
    width: 24%;
    border-right: 1px solid #5c6f9e;
  }
  .productBg {
    width: 100%;
    height: 660px;
  }
  .details_function_list div {
    width: 30%;
  }
  .details_function_list p {
    width: 69%;
  }
  .details_function_list p span {
    height: 70px;
  }
  .details_function_list div,
  .details_function_list p {
    float: left;
  }
  .details_function_list p {
    height: 102px;
  }
  .details_function_list p span {
    position: absolute;
    top: 0;
    bottom: 0;
  }
  .introduction_title li img {
    margin-left: 75px;
  }
}
@media screen and (max-width: 1024px) {
  .product_add {
    margin: 0 2em;
  }
  .product_bg img {
    width: 100%;
  }
  .product_bg {
    margin-bottom: 30px;
  }
  /* 产品特性 */
  .product_peculiarity {
    overflow: hidden;
    height: 1600px;
  }
  .product_peculiarity_box li {
    border-top: 1px solid #5c6f9e;
    padding-top: 24px;
    margin-top: 20px;
  }
  .introduction_title li {
    margin-bottom: 10px;
  }
  .details_function_list div {
    width: 100%;
  }
  .details_function_list p {
    width: 100%;
    box-sizing: border-box;
  }
  .details_function_list p span {
    margin: 10px 80px;
  }
  .details_deploy img {
    width: 100%;
  }
  .details_function_list p span {
    margin: 10px 29px;
  }
  .introduction_title li {
    display: block;
    margin: 0 auto;
    padding: 0 0 26px;
    width: 25%;
    float: left;
    text-align: center;
  }
  .product_details {
    padding: 40px 0 60px;
  }
  .product_peculiarity_box .product_peculiarity_box_h5 {
    margin: 40px 0 30px;
  }
  .details_function_list h5 {
    margin: 40px 0 30px;
  }
  .details_deploy h5 {
    margin: 40px 0 30px;
  }
  .details_function_list div {
    height: 70px;
    line-height: 70px;
  }
  /* #product_list {
        margin: 0;
    } */
}
@media screen and (max-width: 768px) {
  .introduction_title li img {
    display: none;
  }
  .introduction_title li {
    padding-bottom: 10px;
  }
}