/*==========  Mobile First Method  ==========*/
/* Custom, iPhone Retina */
/* Extra Small Devices, Phones */
/* Small Devices, Tablets */
/* Medium Devices, Desktops */
/* Large Devices, Wide Screens */
/*==========  Non-Mobile First Method  ==========*/
/* Large Devices, Wide Screens */
@media only screen and (max-width: 1200px) {
  html {
    font-size: 60%;
  }
}

/* Small Devices, Tablets */
@media only screen and (max-width: 820px) {
  .mobile_show {
    display: block !important;
  }
  .pc_show {
    display: none;
  }
  html {
    font-size: 58%;
  }
  header .right__con {
    display: none;
  }
  .index__kv__section .kv_in__con {
    height: auto;
  }
  .index__kv__section .kv_in__con h3 {
    font-size: 30px;
  }
  .index__kv__section .kv_in__con p {
    font-size: 20px;
  }
  .index_section, .page_section {
    padding: 40px 0;
  }
  h3.page_title {
    font-size: 3.2rem;
    padding-bottom: 20px;
  }
  .pro_list li p {
    font-size: 14px;
    top: 20px;
  }
  .index_aboutus__section {
    padding: 60px 0 200px;
  }
  .index_aboutus__section .left_con {
    width: 100%;
  }
  .index_aboutus__section .right_con {
    width: 100%;
    padding-top: 50px;
  }
  .index_aboutus__section .right_con li {
    width: calc(100% / 4);
  }
  .index_aboutus__section .right_con li h3 strong {
    font-size: 30px;
  }
  .index_aboutus__section .right_con li .ico {
    height: 60px;
    margin-bottom: 10px;
  }
  .contactus__section {
    padding: 40px 0;
  }
  .about_section_1 .txt_con {
    width: 100%;
    padding: 0 0 30px 0;
  }
  .about_section_1 .img_con {
    width: 100%;
  }
  .about_section_2 .flex li {
    width: calc(50% - 20px * 1 / 2);
    margin: 0 20px 20px 0 !important;
  }
  .about_section_2 .flex li:nth-child(2n) {
    margin-right: 0 !important;
  }
  .about_section_5 .img_txt_con {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 0 15px;
  }
  .about_section_5 .img_txt_con .img_con {
    width: 100%;
    order: -1;
    position: static !important;
  }
  .about_section_5 .img_txt_con .txt_con {
    width: 100%;
    position: static !important;
  }
  .about_section_6 .zs_list li {
    width: calc(50% - 20px * 1 / 2);
    margin: 0 20px 20px 0 !important;
  }
  .about_section_6 .zs_list li:nth-child(2n) {
    margin-right: 0 !important;
  }
  .pro_list_page__list li {
    width: calc(100% / 3 - 30px * 2 / 3);
    margin: 0 30px 30px 0;
  }
  .form__section h3.page_title {
    font-size: 24px;
  }
  .pro_details__section .txt_con h3.d_title {
    font-size: 32px;
  }
  .contactus_section_1 ul.flex li .ico {
    height: 50px;
  }
  .contactus_section_1 ul.flex li h3 {
    font-size: 20px;
  }
  .contactus_section_1 ul.flex li {
    padding: 20px;
  }
  .ser_1 .img_con {
    padding: 40px 40px;
  }
  .ser_1 .img_con h3 {
    font-size: 3.2rem;
  }
  .ser_2 .img_con .txt_con {
    width: 100%;
    margin: 0 0 30px 0 !important;
  }
  .ser_5 .slider_ul li {
    width: 100% !important;
    margin-bottom: 20px;
  }
  .ser_5 .slider_ul li div.flex .txt_con {
    display: block !important;
  }
  .ser_wcqxff_2 p.page_title , .ser_wcqxff_4 p.page_title{
    margin-top: 0;
  }

  .ser_wcqxff_2 div.flex .img_con, .ser_wcqxff_2 div.flex .txt_con{
    width: 100%;
  }
  .ser_wcqxff_2 div.flex .txt_con{
    padding:20px;
  }

  .ser_wcqxff_3 dl.flex dd h3{
    font-size: 24px;
  }

  .ser_wcqxff_4 .img_con{
    padding:50px 0 100px
  }

  .csff_1 div.flex .txt_con{
    width: 100%;
    padding:0 0 30px 0;
  }
  .csff_1 div.flex .img_con{
    width: 100%;
  }

  .csff_2 p.page_title , .csff_3 p.page_title ,.csff_4 p.page_title ,.csff_5 p.page_title ,.csff_6 p.page_title,
  .csff_7 p.page_title ,.csff_8 p.page_title{
    margin-top: 0;
  }

  .csff_3 .img{
    width: 400px;
  }

  .csff_4{
    padding:40px;
    margin-top: 40px;
  }

  .csff_4 .img_con{
    width: 100px;
  }

  .csff_4 .txt_con{
    width: calc(100% - 100px);
    padding-left: 30px;
  }
  
}

/* Extra Small Devices, Phones */
@media only screen and (max-width: 480px) {
  html {
    font-size: 52%;
  }
  h3.page_title {
    font-size: 2rem;
  }
  .pro_list li {
    width: calc(100% / 2 - 20px * 1 / 2);
    margin: 0 20px 20px 0 !important;
  }
  .pro_list li:nth-child(2n) {
    margin-right: 0 !important;
  }
  .index_aboutus__section .left_con h3 {
    font-size: 2rem;
  }
  .index_aboutus__section {
    padding: 40px 0 160px;
  }
  .index_aboutus__section .right_con li {
    width: 50%;
    text-align: center;
  }
  .index_aboutus__section .right_con li .ico {
    margin: 0 auto 5px;
  }
  .index_aboutus__section .right_con li p {
    padding-bottom: 10px;
  }
  .index_cust__section .scroll_out ul li {
    width: 120px;
  }
  footer .top__con .logo {
    height: 20px;
  }
  footer .top__con ul.flex {
    width: 75%;
  }
  footer .top__con ul.flex li {
    padding-bottom: 5px;
  }
  footer .top__con ul.flex li span {
    font-size: 12px;
  }
  footer .footer_list li {
    width: 33%;
    margin-bottom: 20px;
    display: none;
  }
  footer .footer_list li:last-child {
    display: block;
    width: 50%;
  }
  footer .footer_list {
    padding-bottom: 20px;
  }
  header .logo {
    height: 30px;
  }
  header {
    padding: 15px 0;
  }
  .mobile_nav__btn {
    font-size: 20px;
  }
  .mobile_pop_nav__body ul li a {
    font-size: 16px;
  }
  .mobile_pop_nav__body ul li .sub_nav_con_list li {
    width: 100%;
    margin: 0;
  }
  .mobile_pop_nav__body {
    padding-top: 80px;
  }
  .inner_kv__section {
    height: 200px;
  }
  .inner_kv__section .in_txt__con h3 {
    font-size: 24px;
    font-weight: 700;
  }
  h3.page_title.blank {
    padding-bottom: 20px;
  }
  h3.page_title.blank::after {
    bottom: 0;
  }
  .about_section_2 .flex li {
    width: 100%;
    margin: 0 0 20px 0 !important;
  }
  .about_section_3 .img_con {
    height: 150px;
  }
  .about_section_3 .img_con img {
    height: 100%;
    object-fit: cover;
  }
  .about_section_3 .img_con .txt_con h3 {
    font-size: 18px;
  }
  .about_section_3 .img_con .txt_con p {
    font-size: 14px;
  }
  .about_section_4 .hisotry__con {
    padding: 0 20px;
  }
  .about_section_6 .s6_line {
    font-size: 13px;
    line-height: 1.5;
  }
  .about_section_6 .zs_list li {
    width: 100%;
    margin: 0 0 20px 0 !important;
  }
  .inner_page__out {
    padding-top: 60px;
  }
  .pro_list_page__list li {
    width: calc(100% / 2 - 20px * 2 / 3);
    margin: 0 20px 20px 0 !important;
  }
  .pro_list_page__list li:nth-child(2n) {
    margin-right: 0 !important;
  }
  .pro_details__section .out_flex .img_con {
    width: 100%;
    position: static;
    margin-bottom: 30px;
  }
  .pro_details__section .txt_con {
    width: 100%;
    padding: 0;
  }
  .pro_details__section .txt_con .tips {
    margin-bottom: 20px;
  }
  .pro_details__section .txt_con h3.d_title {
    font-size: 24px;
  }
  .pro_details__section .txt_con h4.d_title {
    font-size: 18px;
  }
  .form__section {
    padding: 40px 0;
  }
  .form__section h6.page_title {
    padding-bottom: 10px;
  }
  .form__section .txt_con {
    width: 100%;
    padding-bottom: 20px;
  }
  .form__section .form_con {
    width: 100%;
  }
  .index_page__out {
    padding-top: 60px;
  }
  .index__kv__section .kv_in__con h3 {
    font-size: 16px;
    padding-bottom: 10px;
  }
  .index__kv__section .kv_in__con p {
    font-size: 14px;
    padding-bottom: 20px;
  }
  .com_btn {
    padding: 10px 10px;
  }
  .swiper-pagination span {
    width: 20px;
  }
  .contactus_section_1 ul.flex li {
    width: 100%;
    margin: 0 0 20px 0;
  }
  .contactus_section_2 ul.flex li.w_3, .contactus_section_2 ul.flex li {
    width: 100% !important;
    margin: 0 0 20px 0 !important;
  }
  .ser_1 .img_con h3 {
    font-size: 2rem;
  }
  .ser_1 .img_con p {
    font-size: 14px;
  }
  .ser_2 dl.flex dd {
    width: 100%;
    margin: 0 0 30px 0 !important;
  }
  .ser_2 .img_con .txt_con {
    align-items: flex-start;
  }
  .img_list_1 dd {
    width: 100%;
    margin: 0 0 30px 0 !important;
  }
  .ser_4 div.flex .img_con {
    width: 100%;
    margin: 0 0 30px 0;
  }
  .ser_4 div.flex .txt_con {
    width: 100%;
    margin: 0;
  }
  .ser_5 .slider_ul li div.flex .img_con {
    width: 100px;
    padding: 0 10px;
  }
  .ser_5 .slider_ul li div.flex .txt_con {
    width: calc(100% - 100px);
  }
  .ser_5 .slider_ul li div.flex .img_con p {
    font-size: 14px;
  }
  .ser_5 .slider_ul li div.flex .txt_con h3 {
    font-size: 16px;
  }

  .ser_1.wcqxff .img_con{
    padding:40px 20px;
  }

  .ser_1.wcqxff .img_con p{
    line-height: 2;
  }

  .ser_1.wcqxff .img_con .blank{
    margin-top: 40px;
  }

  .ser_wcqxff_3 dl.flex dd{
    width: 100%;
    margin:0 0 30px 0;
  }

  .pop_content .zs__con{
    width: 75vw;
    height: auto;
  }

  .pop_content .zs__con img{
    height: auto ;
    width: 100%;
  }

  .csff_list{
    gap:10px;
  }

  .csff_list li p{
    font-size: 12px;
  }

  .csff_4{
    width: 90%;
    padding:20px;
  }

  .csff_4 .img_con{
    width: 100%;
  }

  .csff_4 .img_con img{
    width: 50%;
    margin:0 auto;
  }

  .csff_4 .txt_con{
    width: 100%;
    padding:30px 0 0 ;
  }

  .csff_list.s_2{
    gap:10px;
    padding:0;
  }

  .csff_3 .img{
    width: 80%;
  }

  .csff_1 div.flex{
    padding:30px;
  }

}

/* Custom, iPhone Retina */