/* product */
.product_box {
  box-sizing: border-box;
  background-image: url(../image/index/产品背景\ \(3\).png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.product .l {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 5% 30px 5%;
  width: 40%;
  background-image: url(../image/index/矩形\ 6\ 拷贝.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  height: 760px;
}

.bannerproduct .swiper-slide {
    flex-wrap: wrap !important;
}
.product .l ul li::before {
  content: " ";
  display: inline-block;
  margin: 0 10px 0 0;
  width: 14px;
  height: 14px;
  background: #FFFFFF;
  border-radius: 50%;
}

/* .arrowbtn_box {
  margin: -50px 0 0 30px;
} */

.product .r {
  padding: 60px 15% 30px 0;
  width: 60%;
  height: 760px;
}

.product .l ul li {
  display: flex;
  align-items: center;
  margin: 0 0 60px 0;
  color: #fff;
  cursor: pointer;
}

.product .l .more {
  display: block;
  padding: 20px 0;
  width: 50%;
  color: #fff !important;
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid #FFFFFF;
}

.product .r .p_box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: 400px;
}

.product .r .p_box img {
  display: block;
  width: 50%;
  /* height: auto; */
}

.product .r .text_box {
  padding: 40px 0;
  width: 100%;
  box-sizing: border-box;
}



.product .r .p_box,
.product .r .text_box {
    width: 100%;
    text-align: center;
}


.product .r .text_box a {
    
    border: 1px solid rgba(0,0,0,0);
  color: #3381F7!important;
}

.product .r .text_box a:hover {
    border: 1px solid #3381F7;
    transition: all 0.6s;
}

.todetails {
  display: block;
  margin: 15px auto;
  padding: 20px 0;
  width: 45%;
  box-sizing: border-box;
  text-align: center;
  background-color: #fff;
}

.bannerproduct {
  overflow: hidden;
}

.swiper-button-prevproduct,
.swiper-button-nextproduct {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 20px;
  width: 70px;
  height: 70px;
  color: #3381F7;
  background-color: #fff;
  border: 1px solid #fff;
  border-radius: 50%;
}

.swiper-button-prevproduct:hover, .swiper-button-nextproduct:hover {
        border: 1px solid #3381F7;
    transition: all 0.6s;
}

.product_act {
  color: #3381F7!important;
}

.product_act::before {
  background: #3381F7!important;
}

.bannerproduct {
  display: none;
}

.bannerproduct_act {
  display: block;
}

/* application_industry */
.application_industry_box {
  padding: 120px 0 150px 0;
  background-image: url(../image/index/应用行业背景.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.application_industry .titbox {
  margin: 0 0 100px 0;
}

.bannerapp .l {
  width: 45%;
}

.bannerapp .l img {
  display: block;
  width: 100%;
}

.bannerapp .r {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 80px 120px;
  width: 55%;
  box-sizing: border-box;
  background-color: #fff;
}

.bannerapp .r span {
  line-height: 40px;
}

.bannerapp .r a {
  display: block;
}

.bannerapp .r a i {
  margin: 0 0 0 20px;
}

.bannerapp:hover .r a i {
  margin: 0 0 0 40px;
  transition: all 0.6s;
}

.swiper-button-prevapp,
.swiper-button-nextapp {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  color: #3381F7;
  background: #FFFFFF;
  border-radius: 50%;
  box-shadow: 2px 2px 2px #3381F7;
}

.bannerapp .swiper-containerapp {
  overflow: hidden;
}

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

.bannerapp {
  position: relative;
}

.swiper-button-prevapp {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.swiper-button-nextapp {
  position: absolute;
  top: 50%;
  right: -6%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

/* aboutus_box */

.titarrowbox {
  width: 60px;
  height: 60px;
  color: #3381F7!important;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
}

.titarrowbox:hover {
        border: 1px solid #3381F7;
    transition: all 0.6s;
}

.aboutus .top .l {
  width: 20%;
}

.aboutus .top .l {
  flex-direction: column;
}

.aboutus .top .l img {
  display: block;
  width: 100%;
}

.aboutus .top .r {
  padding: 0 0 0 10%;
  width: 70%;
  border-left: 1px solid rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.aboutus_box {
  padding: 120px 0;
  box-sizing: border-box;
}

.aboutus .top .r span p {
  text-indent: 2rem;
  line-height: 40px;
}

/* .aboutus .top {
  margin: 0 0 100px 0;
} */

.bannerabout img {
  display: block;
  max-width: 70%;
}

.bannerabout .swiper-slide-active {
  margin: 0 30px 0 0;
}

.bannerabout .swiper-slide-active img {
  min-width: 100%;
}

.bannerabout .swiper-slide {
  display: flex;
  align-items: end;
  justify-content: center;
  height: 200px;
}

.customers ul {
  flex-wrap: wrap;
}

.customers ul li {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 60px 0;
  padding: 15px 30px;
  width: calc(100%/5.5);
  box-sizing: border-box;
  background: #FFFFFF;
  border-radius: 10px;
      border: 5px solid rgba(0,0,0,0);
  overflow: hidden;
}

.customers ul li:hover {
    border: 5px solid #3381F7;
}

.customers ul li img {
  display: block;
  max-width: 100%;
}

.customers ul li a {
    overflow: hidden;
}

.customers ul li a:hover img {
     transform: scale(1.1);
     
    transition: all 0.6s;
}

.customers_box {
  padding: 120px 0;
  box-sizing: border-box;
  background-image: url(../image/index/客户背景\ \(1\).png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.customers .titbox {
  color: #fff;
  text-align: center;
}

.customers .titbox h4 {
  font-weight: bold;
  color: #fff;
}

.customers .titbox h5 {
  margin: 30px 0 60px 0;
  font-weight: bold;
  color: #fff;
}

.customers .morebtn {
  display: block;
  margin: 0 auto;
  padding: 25px 50px;
  width: 20%;
  text-align: center;
  box-sizing: border-box;
  color: #fff !important;
  border: 1px solid #fff;
  border-radius: 10px;
}

.customers .morebtn:hover {
    background-color: #fff;
    color: #3381F7!important;
    transition: all 0.6s;
}

/* news_box */
.news_box {
  padding: 120px 0;
  box-sizing: border-box;
}

.news .titbox .l {
  flex-direction: column;
}

.news .titbox .l img {
  display: block;
  width: 100%;
}

.news .titbox .r ul li {
  margin: 25px 0 0 0;
  padding: 20px 30px;
  cursor: pointer;
}

.news_act {
  color: #fff;
  background: #3381F7;
  border-radius: 50px;
}

.news .titbox .r {
  text-align: right;
}

.content_box .l {
  width: 50%;
}

.content_box .l .p_box {
  padding: 50px 100px;
  box-sizing: border-box;
  border-radius: 10px;
  box-shadow: 2px 2px 2px 3px rgba(0, 0, 0, 0.1);
}

.content_box .l .p_box img {
  display: block;
  max-width: 100%;
}

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

.content_box .l {
  width: 50%;
}

.content_box .r {
  width: 45%;
}

.content_box .r ul li a .time_box {
  margin: 0 60px 0 0;
  text-align: center;
}

.content_box .r ul li a {
  display: block;
  padding: 45px 0 45px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.content_box {
  display: none !important;
}

.news_content_act {
  display: flex !important;
}

/* leave_word_box */
.leave_word_box {
  padding: 100px 0;
  box-sizing: border-box;
  background-image: url(../image/index/留言背景\ \(1\).png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.leave_word h4 {
  margin: 0 0 60px 0;
  color: #fff;
  font-weight: bold;
}

.leave_word form input {
  padding: 20px 40px;
  box-sizing: border-box;
  border: none;
  outline: none;
  border-radius: 10px;
}

.leave_word form input:nth-child(1),
.leave_word form input:nth-child(2) {
  width: 20%;
}

.leave_word form input:nth-child(3) {
  width: 35%;
}

.leave_word form button {
  width: 20%;
  color: #fff;
  border: none;
  outline: none;
  background: #3381F7;
  border-radius: 10px;
}

.banner .swiper-slide {
  position: relative;
}

.banner .swiper-slide .banner_textbox {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  width: 100%;
  height: 100%;
}

.bz {
  position: relative;
  margin: 80px 0 100px 0;
  text-align: center;
  line-height: 60px;
}

.bz::before {
  position: absolute;
  top: 50%;
  left: -20%;
  transform: translate(-50%, -50%);
  content: " ";
  display: inline-block;
  width: 60px;
  height: 2px;
  background: #FFFFFF;
}

.bz::after {
  position: absolute;
  top: 50%;
  right: -35%;
  transform: translate(-50%, -50%);
  content: " ";
  display: inline-block;
  width: 60px;
  height: 2px;
  background: #FFFFFF;
}

.banner .swiper-slide .banner_textbox ul {
  padding: 40px 100px !important;
  width: 60%;
  border: 2px solid #FFFFFF;
  border-radius: 50px;
  box-sizing: border-box;
}

.banner .swiper-slide .banner_textbox ul li::before {
  content: " ";
  display: inline-block;
  margin: 0 10px 0 0;
  width: 16px;
  height: 16px;
  background: #FFFFFF;
  border-radius: 50%;
}

.banner .swiper-slide .banner_textbox ul li {
  display: flex;
  align-items: center;
}

h3 {
  color: #3381F7;
  font-size: 36px;
  font-family: 'Alibaba';
}

.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 {
  font-weight: bold !important;
}

.titbox  h4 {
  font-family: 'Alibaba';
}

.arrowbtn_box  {
  justify-content: center !important;
}

@font-face {
  font-family: 'Alibaba';
  src: url('./fonts/Alibaba-PuHuiTi-Medium.ttf') format('truetype');
}


@media screen and (max-width: 1680px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 60px;
  }

  .bz {
    margin: 70px 0 90px 0;
    line-height: 50px;
  }

  .bz p {
    font-size: 28px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 30px 90px !important;
    font-size: 20px;
  }

  /* product */
  .product .l {
    padding: 130px 0 130px 15%;
  }

  .product .l ul li {
    margin: 0 0 50px 0;
  }

  .product .l .more {
    padding: 15px 0;
    font-size: 22px;
  }

  .product .r {
    padding: 130px 15% 130px 0;
  }

  .product .r .text_box {
    padding: 30px 0;
  }

  .product .r .text_box h4 {
    font-size: 22px;
  }

  .todetails {
    /*margin: 50px 0 0 0;*/
    padding: 15px 0;
    font-size: 14px;
  }

  .swiper-button-prevproduct,
  .swiper-button-nextproduct {
    width: 60px;
    height: 60px;
  }

  .product .l ul {
    font-size: 16px;
  }

  /* application_industry */
  .application_industry_box {
    padding: 110px 0 140px 0;
  }

  .application_industry .titbox {
    margin: 0 0 90px 0;
  }

  .application_industry .titbox h4 {
    font-size: 28px;
  }

  .application_industry .titbox a {
    font-size: 22px;
  }

  .bannerapp .r {
    padding: 70px 110px;
  }

  .bannerapp .r h4 {
    font-size: 20px;
  }

  .bannerapp .r span {
    font-size: 14px;
    line-height: 35px;
  }

  .bannerapp .r a {
    font-size: 14px !important;
  }

  /* aboutus */
  .aboutus_box {
    padding: 110px 0;
  }

  /* .aboutus .top {
    margin: 0 0 90px 0;
  } */

  .aboutus .top .l img {
    margin: 0 0 15px 0;
  }

  .aboutus .top h4 {
    font-size: 22px;
  }

  .aboutus .top .r span p {
    line-height: 35px;
    font-size: 14px;
  }

  /* customers */
  .customers_box {
    padding: 110px 0;
  }

  .customers .titbox h4 {
    font-size: 28px;
  }

  .customers .titbox h5 {
    margin: 20px 0 50px 0;
    font-size: 28px;
  }

  .customers ul li {
    margin: 0 0 50px 0;
    padding: 15px 20px;
  }

  .customers .morebtn {
    padding: 15px 40px;
  }

  /* news */
  .news_box {
    padding: 110px 0;
  }

  .news .titbox .l h4 {
    font-size: 28px;
  }

  .news .titbox .r a {
    font-size: 22px;
  }

  .news .titbox .r ul li {
    margin: 15px 0 0 0;
    padding: 15px 20px;
  }

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

  .content_box .l .p_box {
    padding: 40px 90px;
  }

  .content_box .r ul li a {
    padding: 35px 0;
  }

  .news .titbox .r ul {
    font-size: 16px;
  }

  .content_box .r ul li a .time_box {
    margin: 0 50px 0 0;
  }

  .content_box .r ul li a .time_box h4 {
    font-size: 22px;
  }

  .content_box .r ul li a .time_box p {
    font-size: 14px;
  }

  .content_box .r ul li a .text_box span {
    font-size: 14px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 90px 0;
  }

  .leave_word h4 {
    margin: 0 0 50px 0;
    font-size: 28px;
  }

  .leave_word form input {
    padding: 15px 30px;
  }
}

@media screen and (min-width: 1660px) and (max-width: 1920px) {

  /* banner (1920-1660) */
  .banner .swiper-slide .banner_textbox h4 {
    font-size: 56px;
  }

  .banner .swiper-slide .banner_textbox .bz {
    margin: 50px 0 65px 0;
    line-height: 44px;
  }

  .banner .swiper-slide .banner_textbox .bz p {
    font-size: 24px;
  }

  .banner .swiper-slide .banner_textbox ul {
    width: 56%;
    padding: 24px 72px !important;
    font-size: 18px;
  }
}

@media screen and (max-width: 1600px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 50px;
  }

  .bz {
    margin: 60px 0 80px 0;
    line-height: 40px;
  }

  .bz p {
    font-size: 26px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 20px 80px !important;
    font-size: 18px;
  }

  /* product */
  .product .l {
    padding: 120px 0 120px 15%;
  }

  .product .l ul li {
    margin: 0 0 40px 0;
  }

  .product .l .more {
    font-size: 20px;
  }

  .product .r {
    padding: 120px 15% 120px 0;
  }

  .product .r .text_box {
    padding: 20px 0;
  }

  .product .r .text_box h4 {
    font-size: 20px;
  }

  /*.todetails {*/
  /*  margin: 40px 0 0 0;*/
  /*}*/

  .swiper-button-prevproduct,
  .swiper-button-nextproduct {
    width: 50px;
    height: 50px;
  }

  /* application_industry */
  .application_industry_box {
    padding: 100px 0 130px 0;
  }

  .application_industry .titbox {
    margin: 0 0 80px 0;
  }

  .application_industry .titbox h4 {
    font-size: 26px;
  }

  .application_industry .titbox a {
    font-size: 20px;
  }

  .bannerapp .r {
    padding: 60px 100px;
  }

  .bannerapp .r h4 {
    font-size: 18px;
  }

  .bannerapp .r span {
    line-height: 30px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 100px 0;
  }

  /* .aboutus .top {
    margin: 0 0 80px 0;
  } */

  .aboutus .top h4 {
    font-size: 20px;
  }

  .aboutus .top .r span p {
    line-height: 30px;
  }

  /* customers */
  .customers_box {
    padding: 100px 0;
  }

  .customers .titbox h4 {
    font-size: 26px;
  }

  .customers .titbox h5 {
    margin: 15px 0 40px 0;
    font-size: 26px;
  }

  .customers ul li {
    margin: 0 0 40px 0;
    padding: 15px;
  }

  .customers .morebtn {
    padding: 15px 30px;
  }

  /* news */
  .news_box {
    padding: 100px 0;
  }

  .news .titbox .l h4 {
    font-size: 26px;
  }

  .news .titbox .r a {
    font-size: 20px;
  }

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

  .content_box .l .p_box {
    padding: 30px 80px;
  }

  .content_box .r ul li a {
    padding: 25px 0;
  }

  .content_box .r ul li a .time_box {
    margin: 0 40px 0 0;
  }

  .content_box .r ul li a .time_box h4 {
    font-size: 20px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 80px 0;
  }

  .leave_word h4 {
    margin: 0 0 40px 0;
    font-size: 26px;
  }

  .leave_word form input {
    padding: 15px 20px;
  }
}

@media screen and (max-width: 1440px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 40px;
  }

  .bz {
    margin: 50px 0 70px 0;
    line-height: 35px;
  }

  .bz p {
    font-size: 24px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px 70px !important;
    font-size: 16px;
  }

  /* product */
  .product .l {
    padding: 110px 0 110px 15%;
  }

  .product .l ul li {
    margin: 0 0 30px 0;
  }

  .product .l .more {
    font-size: 18px;
  }

  .product .r {
    padding: 110px 15% 110px 0;
  }

  .product .r .text_box {
    padding: 15px 0;
  }

  .product .r .text_box h4 {
    font-size: 18px;
  }

  /*.todetails {*/
  /*  margin: 30px 0 0 0;*/
  /*}*/

  /* application_industry */
  .application_industry_box {
    padding: 90px 0 120px 0;
  }

  .application_industry .titbox {
    margin: 0 0 70px 0;
  }

  .application_industry .titbox h4 {
    font-size: 24px;
  }

  .application_industry .titbox a {
    font-size: 18px;
  }

  .bannerapp .r {
    padding: 50px 90px;
  }

  .bannerapp .r h4 {
    font-size: 16px;
  }

  .bannerapp .r span {
    line-height: 25px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 90px 0;
  }

  /* .aboutus .top {
    margin: 0 0 70px 0;
  } */

  .aboutus .top h4 {
    font-size: 18px;
  }

  .aboutus .top .r span p {
    line-height: 25px;
  }

  /* customers */
  .customers_box {
    padding: 90px 0;
  }

  .customers .titbox h4 {
    font-size: 24px;
  }

  .customers .titbox h5 {
    margin: 15px 0 30px 0;
    font-size: 24px;
  }

  .customers ul li {
    margin: 0 0 30px 0;
  }

  .customers .morebtn {
    padding: 15px 20px;
  }

  /* news */
  .news_box {
    padding: 90px 0;
  }

  .news .titbox .l h4 {
    font-size: 24px;
  }

  .news .titbox .r a {
    font-size: 18px;
  }

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

  .content_box .l .p_box {
    padding: 20px 70px;
  }

  .content_box .r ul li a {
    padding: 15px 0;
  }

  .content_box .r ul li a .time_box {
    margin: 0 30px 0 0;
  }

  .content_box .r ul li a .time_box h4 {
    font-size: 18px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 70px 0;
  }

  .leave_word h4 {
    margin: 0 0 30px 0;
    font-size: 24px;
  }
}

@media screen and (max-width: 1366px) {

  
  .product .l,
  .product .r {
    padding: 30px !important;
    height: 650px;
  }


  /* banner */
  .banner_textbox h4 {
    font-size: 30px;
  }

  .bz {
    margin: 40px 0 60px 0;
    line-height: 30px;
  }

  .bz p {
    font-size: 22px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px 60px !important;
    font-size: 14px;
  }

  /* product */
  .product .l {
    padding: 100px 0 100px 15%;
  }

  .product .l ul li {
    margin: 0 0 20px 0;
  }

  .product .l .more {
    font-size: 16px;
  }

  .product .r {
    padding: 100px 15% 100px 0;
  }

  .product .r .text_box h4 {
    font-size: 16px;
  }

  /*.todetails {*/
  /*  margin: 20px 0 0 0;*/
  /*}*/

  /* application_industry */
  .application_industry_box {
    padding: 80px 0 110px 0;
  }

  .application_industry .titbox {
    margin: 0 0 60px 0;
  }

  .application_industry .titbox h4 {
    font-size: 22px;
  }

  .application_industry .titbox a {
    font-size: 16px;
  }

  .bannerapp .r {
    padding: 40px 80px;
  }

  .bannerapp .r span {
    line-height: 20px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 80px 0;
  }

  /* .aboutus .top {
    margin: 0 0 60px 0;
  } */

  .aboutus .top h4 {
    font-size: 16px;
  }

  .aboutus .top .r span p {
    line-height: 20px;
  }

  /* customers */
  .customers_box {
    padding: 80px 0;
  }

  .customers .titbox h4 {
    font-size: 22px;
  }

  .customers .titbox h5 {
    margin: 15px 0 20px 0;
    font-size: 22px;
  }

  .customers ul li {
    margin: 0 0 20px 0;
  }

  /* news */
  .news_box {
    padding: 80px 0;
  }

  .news .titbox .l h4 {
    font-size: 22px;
  }

  .news .titbox .r a {
    font-size: 16px;
  }

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

  .content_box .l .p_box {
    padding: 15px 60px;
  }

  .content_box .r ul li a .time_box {
    margin: 0 20px 0 0;
  }

  .content_box .r ul li a .time_box h4 {
    font-size: 16px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 60px 0;
  }

  .leave_word h4 {
    margin: 0 0 20px 0;
    font-size: 22px;
  }
}

@media screen and (max-width: 1280px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 28px;
  }

  .bz {
    margin: 30px 0 50px 0;
    line-height: 25px;
  }

  .bz p {
    font-size: 20px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px 50px !important;
  }

  /* product */
  .product .l {
    padding: 90px 0 90px 15%;
  }

  .product .l ul li {
    margin: 0 0 15px 0;
  }

  .product .r {
    padding: 90px 15% 90px 0;
  }

  /*.todetails {*/
  /*  margin: 15px 0 0 0;*/
  /*}*/

  /* application_industry */
  .application_industry_box {
    padding: 70px 0 100px 0;
  }

  .application_industry .titbox {
    margin: 0 0 50px 0;
  }

  .application_industry .titbox h4 {
    font-size: 20px;
  }

  .application_industry .titbox a {
    font-size: 14px;
  }

  .bannerapp .r {
    padding: 30px 70px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 70px 0;
  }

  /* .aboutus .top {
    margin: 0 0 50px 0;
  } */

  .aboutus .top h4 {
    font-size: 16px;
  }

  /* customers */
  .customers_box {
    padding: 70px 0;
  }

  .customers .titbox h4 {
    font-size: 20px;
  }

  .customers .titbox h5 {
    font-size: 20px;
  }

  .customers ul li {
    margin: 0 0 15px 0;
  }

  /* news */
  .news_box {
    padding: 70px 0;
  }

  .news .titbox .l h4 {
    font-size: 20px;
  }

  .content_box .l .p_box {
    padding: 15px 50px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 50px 0;
  }

  .leave_word h4 {
    margin: 0 0 15px 0;
    font-size: 20px;
  }
}

@media screen and (max-width: 1024px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 26px;
  }

  .bz {
    margin: 20px 0 40px 0;
    line-height: 20px;
  }

  .bz p {
    font-size: 18px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px 40px !important;
  }

  /* product */
  .product .l {
    padding: 80px 0 80px 15%;
  }

  .product .r {
    padding: 80px 15% 80px 0;
  }

  /* application_industry */
  .application_industry_box {
    padding: 60px 0 90px 0;
  }

  .application_industry .titbox {
    margin: 0 0 40px 0;
  }

  .application_industry .titbox h4 {
    font-size: 18px;
  }

  .bannerapp .r {
    padding: 20px 60px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 60px 0;
  }

  /* .aboutus .top {
    margin: 0 0 40px 0;
  } */

  /* customers */
  .customers_box {
    padding: 60px 0;
  }

  .customers .titbox h4 {
    font-size: 18px;
  }

  .customers .titbox h5 {
    font-size: 18px;
  }

  /* news */
  .news_box {
    padding: 60px 0;
  }

  .news .titbox .l h4 {
    font-size: 18px;
  }

  .content_box .l .p_box {
    padding: 15px 40px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 40px 0;
  }

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

@media screen and (max-width: 980px) {

  .product .l,
  .product .r {
    height: auto;
  }

  .product .l ul li {
    width: 100% !important;
}

  /* banner */
  .banner_textbox h4 {
    font-size: 24px;
  }

  .bz {
    margin: 15px 0 30px 0;
    line-height: 1.5;
  }

  .bz p {
    font-size: 16px;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px 30px !important;
  }

  .banner .swiper-slide .banner_textbox ul li::before {
    width: 8px;
    height: 8px;
  }

  .bz::before,
  .bz::after {
    display: none;
  }

  /* product */
  .product .l {
    padding: 30px 15%;
  }

  .product .r {
    padding: 30px 15%;
  }

  .product .l {
    width: 100%;
  }

  .product .r {
    width: 100%;
  }

  .product {
    flex-wrap: wrap;
  }

  .product .l ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .product .l ul li {
    width: 30%;
  }

  .product .l .more {
    margin: 15px 0 0 0;
    width: 30%;
  }

  .product .l ul li::before {
    margin: 0 5px 0 0;
  }

  /* application_industry */
  .application_industry_box {
    padding: 50px 0 80px 0;
  }

  .application_industry .titbox {
    margin: 0 0 30px 0;
  }

  .application_industry .titbox h4 {
    font-size: 16px;
  }

  .bannerapp .r {
    padding: 15px 50px;
  }

  .swiper-button-prevapp,
  .swiper-button-nextapp {
    display: none;
  }

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

  .bannerapp .swiper-slide {
    flex-wrap: wrap;
  }

  .bannerapp .r span {
    display: block;
    margin: 15px 0;
  }

  /* aboutus */
  .aboutus_box {
    padding: 50px 0;
  }

  /* .aboutus .top {
    margin: 0 0 30px 0;
  } */

  .aboutus .top .r span p {
    line-height: 1.5;
  }

  .aboutus .top .l,
  .aboutus .top .r {
    width: 100%;
  }

  .aboutus .top {
    flex-wrap: wrap;
  }

  .aboutus .top .l img {
    margin: 0 auto;
    width: 20%;
  }

  .aboutus .top .r {
    padding: 0 !important;
    border: none !important;
  }

  /* customers */
  .customers_box {
    padding: 50px 0;
  }

  .customers .titbox h4 {
    font-size: 16px;
  }

  .customers .titbox h5 {
    font-size: 16px;
  }

  /* .customers ul li {
      width: calc(100%/4.5);
    } */

  /* news */
  .news_box {
    padding: 50px 0;
  }

  .news .titbox .l h4 {
    font-size: 16px;
  }

  .content_box .l .p_box {
    padding: 15px 30px;
  }

  .news .titbox .l,
  .news .titbox .r {
    width: 100%;
  }

  .news .titbox {
    flex-wrap: wrap;
  }

  .news .titbox .l img {
    margin: 0 auto;
    width: 20%;
  }

  .news .titbox .r ul {
    justify-content: space-around !important;
  }

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

  .content_box {
    flex-wrap: wrap;
  }

  .titarrowbox {
    width: 40px;
    height: 40px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 30px 0;
  }

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

    .leave_word form input:nth-child(1),
    .leave_word form input:nth-child(2) {
      width: 49%;
    }

        .leave_word form input:nth-child(3) {
          margin: 15px 0;
          width: 100%;
        }

        .leave_word form {
          flex-wrap: wrap;
        }

                .leave_word form button {
                  margin: 0 auto;
                  padding: 15px 0;
                  width: 100%;
                }
}

@media screen and (max-width: 768px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 22px;
  }

  .bz {
    margin: 15px 0 20px 0;
    line-height: 1.3;
  }

  /* .bz p {
    font-size: 14px;
  } */

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px 20px !important;
  }

  .nav .l {
    width: 15%;
  }

  /* product */
  .product .l {
    padding: 20px 15%;
  }

  .product .r {
    padding: 20px 15%;
  }

  /* application_industry */
  .application_industry_box {
    padding: 40px 0 70px 0;
  }

  .application_industry .titbox {
    margin: 0 0 20px 0;
  }

  .bannerapp .r {
    padding: 15px 40px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 40px 0;
  }

  /* .aboutus .top {
    margin: 0 0 20px 0;
  } */

  .aboutus .top .r span p {
    line-height: 1.3;
  }

  /* customers */
  .customers_box {
    padding: 40px 0;
  }

  .customers .morebtn {
    width: 30%;
  }

  /* news */
  .news_box {
    padding: 40px 0;
  }

  .content_box .l .p_box {
    padding: 15px 20px;
  }

  /* leave_word */
  .leave_word_box {
    padding: 20px 0;
  }
}

@media screen and (max-width: 640px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 20px;
  }

  .bz {
    margin: 15px 0;
  }

  .banner .swiper-slide .banner_textbox ul {
    padding: 15px !important;
  }

  .banner .swiper-slide .banner_textbox ul {
    display: none !important;
  }

  .banner .swiper-slide .banner_textbox {
    top: 20%;
  }

  .product .l ul li {
    width: 50%;
  }

  .todetails {
    width: 55%;
  }

  /* application_industry */
  .application_industry_box {
    padding: 30px 0 60px 0;
  }

  .application_industry .titbox {
    margin: 0 0 15px 0;
  }

  .bannerapp .r {
    padding: 15px 30px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 30px 0;
  }

  /* .aboutus .top {
    margin: 0 0 15px 0;
  } */

  /* customers */
  .customers_box {
    padding: 30px 0;
  }

  .customers .morebtn {
    width: 35%;
  }

  /* news */
  .news_box {
    padding: 30px 0;
  }
}

@media screen and (max-width: 375px) {

  /* banner */
  .banner_textbox h4 {
    font-size: 18px;
  }

  /* application_industry */
  .application_industry_box {
    padding: 20px 0 50px 0;
  }

  .bannerapp .r {
    padding: 15px 20px;
  }

  /* aboutus */
  .aboutus_box {
    padding: 20px 0;
  }

  .aboutus .top .l img {
    width: 30%;
  }

  /* customers */
  .customers_box {
    padding: 20px 0;
  }

  /* news */
  .news_box {
    padding: 20px 0;
  }

  .news .titbox .l img {
    width: 30%;
  }
}