@media screen and (max-width: 768px) {
  html {
    font-size: 16px !important;
  }
  body {
    font-size: 1rem !important;
  }
  .content,
  .content_big {
    padding: 0 20px;
  }
  .swiper_content {
    padding: 10px 20px;
  }
  .only_mobile {
    display: block;
  }
  body.fixed {
    padding-right: 0;
  }
  .gap {
    gap: 1rem;
  }
  .btn_line,
  .btn_w,
  .btn {
    font-size: 14px;
    padding: 11px 1.2rem;
    min-width: unset;
  }
  .btn_line {
    padding: 10px 20px;
  }
  .btn_more {
    font-size: 14px;
    gap: 8px;
  }
  .btn_more::after {
    width: 12px;
    height: 12px;
  }
  .swiper_btns {
    gap: 1rem;
  }
  .swiper_btns div {
    width: 40px;
    height: 40px;
  }
  .swiper_btns div::after {
    width: 10px;
    height: 10px;
  }
  .swiper_control {
    gap: 1rem;
    max-width: unset;
    width: 100%;
  }
  .swiper_control .pagination {
    font-size: 14px;
    gap: 10px;
  }
  .swiper_control div.swiper-pagination {
    width: 52px;
  }
  .swiper_control .process_pagination ul {
    gap: 12px;
  }
  .swiper_control .process_pagination li {
    font-size: 14px;
  }
  .swiper_control .process_pagination li.active {
    padding-right: 2.5rem;
  }
  .swiper_control .process_pagination li.active_line span::after {
    width: 2rem;
  }
  .swiper_control .process_pagination span::before,
  .swiper_control .process_pagination span::after {
    left: calc(100% + 10px);
  }
  .swiper_control .process_pagination span::before {
    width: 2rem;
  }
  .swiper_control div.swiper-scrollbar {
    width: 100%;
  }
  .swiper_control .swiper_btns {
    margin-left: auto;
  }
  .head.sm h2 {
    font-size: 20px;
    line-height: 1.5;
  }
  .head .subtitle,
  .head strong {
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: unset;
    word-spacing: unset;
    margin-top: 2px;
  }
  .head h1 {
    font-size: 25px;
    line-height: 1.5;
    letter-spacing: unset;
    word-spacing: unset;
  }
  .head h2 {
    font-size: 22px;
    line-height: 1.5;
    letter-spacing: unset;
    word-spacing: unset;
  }
  .head .desc,
  .head p {
    font-size: 0.9rem;
    line-height: 1.5rem;
    margin-top: 10px;
    letter-spacing: unset;
    word-spacing: unset;
    max-width: unset;
  }
  .head .btn_w,
  .head .btn_line,
  .head .btn {
    margin-top: 20px;
    font-size: 14px;
    margin-bottom: 0;
  }
  .head .btn {
    padding: 11px 20px;
  }
  .head .btn_line {
    padding: 10px 20px;
  }
  .head .btn_more {
    margin: 0;
  }
  .video_pop .pop_content {
    height: auto;
    width: 90vw;
  }
  header {
    width: 100%;
    left: 0;
    top: 0;
    transform: translate(0);
    position: sticky;
    background-color: #fff;
  }
  header .logo img {
    height: 32px;
  }
  header .btns {
    gap: 26px;
    min-height: 4rem;
  }
  header .phone {
    display: none;
    padding-left: 1.5rem;
  }
  header .phone::before {
    filter: contrast(0) brightness(0);
    width: 12px;
    height: 12px;
    top: 4px;
  }
  header .phone a {
    font-size: 0.9rem;
    color: #000;
  }
  header .lang {
    border: none;
    padding-left: 0;
    padding-top: 0;
  }
  header .lang ul {
    gap: 1rem;
  }
  header .lang li {
    font-size: 0.9rem;
  }
  header .left .slogen {
    display: none;
  }
  header .btn_menu {
    filter: unset;
  }
  footer .footer_main {
    padding: 3rem 0 4rem;
  }
  footer .footer_main .flex {
    gap: 0;
  }
  footer .slide_intro {
    order: -1;
    margin: 0;
    width: 100%;
    display: grid;
    align-items: unset;
    justify-content: unset;
  }
  footer .slide_intro .logo {
    max-width: 180px;
    margin: 0 auto;
  }
  footer .slide_intro .social {
    margin-top: 2rem;
    margin-bottom: 0;
    gap: 1rem;
    justify-content: space-around;
  }
  footer .slide_intro .social a, footer .slide_intro .social span {
    width: 2.8rem;
    height: 2.8rem;
  }
  footer .slide_link {
    width: 100%;
    padding-top: 20px;
    margin-bottom: 2rem;
  }
  footer .slide_link strong {
    font-size: 18px;
    margin-bottom: 20px;
  }
  footer .slide_link .menu {
    gap: 20px;
  }
  footer .slide_link .menu a {
    font-size: 1rem;
    padding: 0 0 8px;
  }
  footer .slide_link .menu a::after {
    width: 12px;
  }
  footer .slide_link .menu span {
    font-size: 0.9rem;
    margin-top: 10px;
  }
  footer .slide_obj:not(.slide_connect,.slide_link) {
    width: 100%;
  }
  footer .slide_obj:not(.slide_connect,.slide_link) strong {
    font-size: 1rem;
    line-height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 0 22px;
    position: relative;
    margin-bottom: 1rem;
  }
  footer .slide_obj:not(.slide_connect,.slide_link) strong::after {
    content: '';
    display: block;
    width: 12px;
    height: 12px;
    background: url(../img/arrow-down.svg) no-repeat center / contain;
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s;
    filter: contrast(0) brightness(2);
  }
  footer .slide_obj:not(.slide_connect,.slide_link).active strong::after {
    transform: translateY(-50%) rotate(180deg);
  }
  footer .slide_obj:not(.slide_connect,.slide_link) > div {
    display: none;
    padding: 0 1.2rem 1.2rem;
  }
  footer .slide_obj:not(.slide_connect,.slide_link) > div li {
    margin-bottom: 14px;
  }
  footer .slide_obj:not(.slide_connect,.slide_link) > div a {
    font-size: 14px;
    display: block;
    font-weight: normal;
  }
  footer .slide_obj:not(.slide_connect,.slide_link) > div p {
    font-size: 0.9rem;
    line-height: 1.5rem;
  }
  footer .slide_connect {
    width: 100%;
    padding-top: 20px;
  }
  footer .slide_connect strong {
    font-size: 18px;
    margin-bottom: 20px;
  }
  footer .slide_connect li {
    padding-left: 2rem;
    margin-bottom: 20px;
  }
  footer .slide_connect li::before {
    width: 14px;
    height: 14px;
    top: 5px;
  }
  footer .slide_connect li a {
    font-size: 1rem;
    letter-spacing: unset;
  }
  footer .slide_connect li .label {
    font-size: 14px;
    margin-top: 6px;
  }
  footer .slide_connect .email::before {
    top: 8px;
  }
  footer .copyright {
    padding: 20px 0;
  }
  footer .copyright .flex {
    gap: 2rem;
    flex-direction: column-reverse;
  }
  footer .copyright ul {
    gap: 1rem;
  }
  footer .copyright p {
    font-size: 13px;
  }
  footer .copyright a {
    font-size: 14px;
  }
  .footer_contact .head {
    padding: 3rem 0;
  }
  .footer_contact .title {
    font-size: 3.3rem;
    margin-bottom: -1rem;
  }
  .footer_contact .main {
    padding: 3rem 0;
  }
  .footer_contact .items > ul {
    grid-template-columns: 1fr;
    gap: 2rem 1rem;
    margin-left: -20px;
  }
  .footer_contact .items li {
    grid-template-columns: 2rem 1fr;
    gap: 12px;
    padding: 0 20px;
  }
  .footer_contact .items li:first-child {
    padding: 0 20px;
  }
  .footer_contact .items h3 {
    font-size: 18px;
  }
  .footer_contact .items p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 4px;
  }
  .connect_box .item {
    font-size: 12px;
    padding: 10px 1rem;
  }
  .connect_box .icon {
    width: 24px;
    height: 24px;
  }
  .connect_box .wechat .icon {
    width: 30px;
    height: 30px;
  }
  .connect_box .douyin .icon {
    width: 30px;
    height: 30px;
  }
  .section_brands {
    padding: 3rem 0;
  }
  .section_brands .head {
    max-width: unset;
  }
  .section_brands p::before {
    height: 20px;
    margin-bottom: 10px;
  }
  .section_brands .items {
    margin-top: 2rem;
  }
  .page_banner {
    padding: 0;
    margin-bottom: 0;
  }
  .page_banner::after {
    width: 100%;
  }
  .page_banner::before {
    display: none;
  }
  .page_banner .flex {
    min-height: unset;
    padding: 3rem 0 4rem;
  }
  .page_banner .head {
    padding: 0;
  }
  .page_banner p {
    padding-left: 1rem;
  }
  .page_banner p::before {
    height: 100%;
    top: 0;
  }
  .page_style {
    padding: 3rem 0;
    overflow: hidden;
  }
  .page_style .page_style_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .page_style .page_style_swiper .img span {
    font-size: 2rem;
  }
  .page_style .page_style_swiper .info {
    margin-top: 1.2rem;
  }
  .page_style .page_style_swiper h3 {
    font-size: 18px;
  }
  .page_style .page_style_swiper p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .page_style .swiper_control {
    margin-top: 2rem;
  }
  .page_news {
    padding: 3rem 0;
    overflow: hidden;
  }
  .page_news .flex {
    gap: 20px 1rem;
  }
  .page_news .page_news_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .page_news .swiper_control {
    margin-top: 3rem;
  }
  .page_argument {
    overflow: hidden;
    padding: 3rem 0;
  }
  .page_argument .items {
    margin-top: 2rem;
  }
  .page_argument .items ul {
    grid-template-columns: 1fr;
    gap: 2rem 1rem;
  }
  .page_argument .items .item {
    padding: 0;
  }
  .page_argument .items .item h3 {
    font-size: 18px;
    padding-left: 2rem;
  }
  .page_argument .items .item h3::before {
    width: 20px;
    height: 20px;
    top: 6px;
  }
  .page_argument .items .item p {
    padding-left: 2rem;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .page_argument .items .item.sm h3 {
    font-size: 18px;
  }
  .page_argument .items .img_item {
    order: -1;
    margin-right: 2rem;
    margin-bottom: 2rem;
  }
  .brand_list {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .news_list .info {
    margin-top: 1rem;
  }
  .news_list .info .metas {
    font-size: 14px;
    gap: 1rem;
    padding-bottom: 10px;
  }
  .news_list .info .metas .tag {
    font-size: 15px;
    padding-left: 1rem;
  }
  .news_list .info .metas .tag::before {
    width: 8px;
    height: 8px;
    top: 8px;
  }
  .news_list .info h3 {
    font-size: 18px;
    line-height: 1.5;
    margin-top: 10px;
  }
  .watermark {
    font-size: 4.1rem;
  }
  .product_list .info {
    margin-top: 1rem;
  }
  .product_list h3 {
    font-size: 18px;
  }
  .product_list strong {
    font-size: 0.9rem;
    margin-top: 8px;
  }
  .home_banner .home_banner_swiper .swiper-slide {
    padding: 0;
  }
  .home_banner .home_banner_swiper .swiper-slide::after {
    width: 100%;
    background-image: unset;
    background-color: #000;
  }
  .home_banner .home_banner_bg_swiper .swiper-slide::after {
    width: 100%;
  }
  .home_banner .flex {
    min-height: unset;
    padding: 3rem 0 7rem;
  }
  .home_banner .head {
    padding: 0;
  }
  .home_banner .title {
    font-size: 25px;
    line-height: 1.5;
    letter-spacing: unset;
  }
  .home_banner .title span {
    font-size: 2rem;
  }
  .home_banner .desc {
    padding-left: 1rem;
  }
  .home_banner .desc::before {
    height: 1.2rem;
    top: 2px;
  }
  .home_banner .swiper_control {
    bottom: 1.2rem;
    padding: 0 20px;
  }
  .home_banner .swiper_btns {
    gap: 1rem;
  }
  .home_category {
    padding: 4rem 0;
    margin-bottom: 1rem;
  }
  .home_category .head p {
    font-size: 0.9rem;
    margin-top: 10px;
  }
  .home_category .list {
    margin-top: 2rem;
  }
  .home_category .list > ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .home_category .category_item .info {
    padding: 1.2rem 20px;
  }
  .home_category .category_item h3 {
    font-size: 18px;
  }
  .home_category .category_item p {
    font-size: 0.9rem;
  }
  .home_category .watermark {
    font-size: 4.1rem;
    top: 3rem;
  }
  .home_about {
    padding: 3rem 0;
  }
  .home_about .head .img {
    width: 100%;
    padding-bottom: 81.6%;
  }
  .home_about .info {
    max-width: unset;
    padding: 0;
  }
  .home_about h2 {
    margin-bottom: 0;
  }
  .home_about strong {
    margin-bottom: 0;
  }
  .home_about h3 {
    font-size: 18px;
    margin-bottom: 0;
    margin-top: 10px;
  }
  .home_about p {
    margin-bottom: 0;
  }
  .home_about .expert {
    margin-top: 2rem;
  }
  .home_about .expert .img {
    width: 100%;
    margin-right: 0;
    padding-bottom: 58.17556%;
  }
  .home_about .intro {
    gap: 1rem;
  }
  .home_about .intro::before {
    height: 2rem;
    margin-right: 0;
  }
  .home_about .intro span {
    font-size: 3rem;
  }
  .home_about .intro .label {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 6px;
    transform: translateY(0);
  }
  .home_intro {
    overflow: hidden;
    padding: 3rem 0;
  }
  .home_intro .home_intro_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .home_intro .home_intro_swiper .info {
    bottom: 1rem;
    padding: 0 20px;
    max-height: 94px;
  }
  .home_intro .home_intro_swiper .info span {
    font-size: 2rem;
    margin-bottom: -1rem;
  }
  .home_intro .home_intro_swiper .info h3 {
    font-size: 18px;
  }
  .home_intro .home_intro_swiper .info p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 4px;
  }
  .home_intro .swiper_btns {
    display: none;
  }
  .home_showroom {
    padding: 3rem 0;
  }
  .home_showroom .home_showroom_swiper {
    width: 100%;
  }
  .home_showroom .flex {
    gap: 2rem 1rem;
  }
  .home_showroom .left {
    max-width: unset;
  }
  .home_showroom .items {
    margin-top: 2rem;
  }
  .home_showroom .items .item {
    padding: 1rem 0;
    gap: 0 1rem;
  }
  .home_showroom .items .item.active {
    padding-bottom: 1rem;
  }
  .home_showroom .items .item::before {
    width: 20px;
    height: 20px;
    margin-top: 4px;
  }
  .home_showroom .items h3 {
    font-size: 18px;
  }
  .home_showroom .items p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .home_statistics {
    padding: 3rem 0;
  }
  .home_statistics .nums {
    margin-top: 2rem;
  }
  .home_statistics .nums > ul {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .home_statistics .nums li {
    padding: 2rem 20px;
  }
  .home_statistics .nums i {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1.2rem;
  }
  .home_statistics .nums span {
    font-size: 2rem;
  }
  .home_statistics .nums .label {
    font-size: 0.9rem;
    margin-top: 4px;
  }
  .home_services {
    padding: 3rem 0 0;
    margin-bottom: 1rem;
  }
  .home_services .head {
    display: block;
  }
  .home_services .desc {
    max-width: unset;
  }
  .home_services .flex {
    gap: 2rem 1rem;
  }
  .home_services .main {
    margin-top: 2rem;
    padding: 3rem 0;
  }
  .home_services .main::before {
    right: 0;
  }
  .home_services .left {
    width: 100%;
    max-width: unset;
    padding-top: 0;
  }
  .home_services .pagination {
    font-size: 14px;
  }
  .home_services .pagination .current {
    font-size: 16px;
  }
  .home_services .home_services_intro_swiper {
    margin-top: 2rem;
  }
  .home_services .home_services_intro_swiper h3 {
    font-size: 18px;
  }
  .home_services .home_services_intro_swiper h3::after {
    width: 24px;
    margin-top: 10px;
  }
  .home_services .home_services_intro_swiper p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .home_services .home_services_intro_swiper .btn_line {
    margin-top: 20px;
  }
  .home_services .imgs {
    width: 100%;
  }
  .home_services .right {
    width: 100%;
    margin-right: 0;
  }
  .home_services .home_services_title_swiper {
    max-height: 300px;
  }
  .home_services .home_services_title_swiper .swiper-slide {
    font-size: 16px;
    gap: 1rem;
    padding: 1rem 0;
  }
  .home_services .home_services_title_swiper .swiper-slide span {
    font-size: 14px;
  }
  .home_services .home_services_title_swiper .swiper-slide::after {
    right: 0;
  }
  .home_cases {
    padding: 4rem 0 5rem;
    margin: 1rem 0;
  }
  .home_cases .home_cases_swiper {
    margin-top: 2rem;
  }
  .home_cases .home_cases_swiper a {
    gap: 1.2rem 2rem;
  }
  .home_cases .home_cases_swiper .img {
    width: 100%;
    padding-bottom: 73.82%;
  }
  .home_cases .home_cases_swiper .info {
    max-width: unset;
    font-size: 0.9rem;
    line-height: 1.5;
    padding-bottom: 0;
  }
  .home_cases .home_cases_swiper .info strong {
    font-size: 14px;
    padding-left: 1.2rem;
    padding-bottom: 8px;
  }
  .home_cases .home_cases_swiper .info strong::before {
    width: 4px;
    height: 4px;
    top: 10px;
  }
  .home_cases .home_cases_swiper .info h3 {
    font-size: 18px;
    margin-top: 10px;
  }
  .home_cases .home_cases_swiper .info p {
    margin-top: 10px;
  }
  .home_cases .home_cases_swiper .info span {
    margin-top: 20px;
  }
  .home_cases .swiper_control {
    margin-top: 2rem;
  }
  .about_intro {
    padding: 3rem 0;
  }
  .about_intro .flex {
    display: block;
  }
  .about_intro .desc {
    max-width: unset;
    width: 100%;
  }
  .about_intro h3 {
    font-size: 18px;
    margin-bottom: 0;
    margin-top: 10px;
  }
  .about_intro p {
    margin-bottom: 0;
  }
  .about_intro .img {
    margin-top: 2rem;
  }
  .about_culture {
    padding: 3rem 0 5rem;
  }
  .about_culture .left {
    padding: 0;
  }
  .about_culture .items {
    margin-top: 20px;
  }
  .about_culture .item::before {
    display: none;
  }
  .about_culture .item.active {
    margin-bottom: 0;
  }
  .about_culture .item h3 {
    font-size: 18px;
    padding: 8px 0;
  }
  .about_culture .item h3 span {
    font-size: 0.9rem;
    padding-bottom: 3px;
  }
  .about_culture .item .desc {
    font-size: 0.9rem;
    line-height: 1.5;
    padding-bottom: 10px;
    padding-top: 0;
  }
  .about_culture .about_culture_swiper {
    width: 100%;
  }
  .about_history {
    padding: 4rem 0 2rem;
    overflow: hidden;
    margin-bottom: 1rem;
  }
  .about_history .about_history_swiper {
    margin-top: 3rem;
    overflow: unset;
  }
  .about_history .about_history_swiper::after {
    top: 44px;
    width: 100vw;
    left: -20px;
  }
  .about_history .about_history_swiper .date {
    font-size: 18px;
  }
  .about_history .about_history_swiper i {
    width: 1rem;
    height: 1rem;
    margin-top: 10px;
  }
  .about_history .about_history_swiper .desc {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .about_history .swiper_control {
    margin-top: 3rem;
  }
  .about_history .swiper_control div.swiper-pagination {
    width: 100px;
  }
  .about_history .scroll_tip {
    font-size: 0.9rem;
    gap: 10px;
  }
  .about_history .scroll_tip i {
    width: 12px;
    height: 20px;
  }
  .about_certificate {
    padding: 3rem 0;
  }
  .about_certificate .about_certificate_swiper {
    margin-top: 2rem;
  }
  .about_certificate .about_certificate_swiper .swiper-slide {
    margin: 0;
  }
  .about_certificate .about_certificate_swiper .active .title {
    margin-top: 1rem;
  }
  .about_certificate .about_certificate_swiper .title {
    font-size: 14px;
    margin-top: 1rem;
  }
  .about_certificate .swiper_btns div {
    width: 2rem;
    height: 2rem;
    justify-content: flex-start;
  }
  .about_certificate .swiper_btns div::after {
    width: 12px;
    height: 12px;
  }
  .about_certificate .swiper_btns .btn_next {
    justify-content: flex-end;
  }
  .about_showroom {
    padding: 3rem 0;
  }
  .about_showroom .about_showroom_swiper {
    width: 100%;
    order: 2;
  }
  .about_showroom .flex {
    gap: 2rem 1.2rem;
  }
  .about_showroom .head {
    margin-top: 0;
  }
  .about_showroom .items {
    margin-top: 20px;
  }
  .about_showroom .item .title {
    font-size: 16px;
    padding: 10px 0 10px 1.5rem;
  }
  .about_showroom .item .title::before {
    width: 16px;
    height: 16px;
    top: 14px;
  }
  .about_showroom .item .address {
    font-size: 0.9rem;
    padding-left: 1.5rem;
    padding-bottom: 1rem;
    margin-top: 0;
  }
  .about_market {
    padding: 3rem 0;
  }
  .about_market .left {
    padding: 0;
  }
  .about_market .head {
    max-width: unset;
  }
  .about_market .img {
    width: calc(100vw - 16px);
    margin: 0 -12px;
  }
  .about_market .nums {
    margin-top: 1rem;
  }
  .about_market .nums > ul {
    gap: 0 1rem;
  }
  .about_market .nums li {
    padding: 1rem 0;
  }
  .about_market .nums span {
    font-size: 1.5rem;
  }
  .about_market .nums .label {
    font-size: 0.9rem;
    margin-top: 4px;
  }
  .about_market .nums .tip {
    font-size: 13px;
    margin-top: 1rem;
  }
  .brands_banner {
    padding: 2rem 0;
    margin-bottom: 1rem;
  }
  .brands_banner .flex {
    flex-direction: column-reverse;
    gap: 2rem 1rem;
  }
  .brands_banner .brands_banner_img_swiper {
    width: 100%;
    margin: 0;
  }
  .brands_banner .brands_banner_img_swiper .imgs > ul {
    gap: 10px;
  }
  .brands_banner .left {
    width: 100%;
    padding: 0;
  }
  .brands_banner .title {
    font-size: 25px;
  }
  .brands_banner .title em {
    transform: translate(0);
  }
  .brands_banner .title span {
    font-size: 28px;
  }
  .brands_banner .desc {
    padding-left: 1rem;
  }
  .brands_banner .desc::before {
    height: 100%;
    top: 0;
  }
  .brands_banner .img {
    margin-top: 0;
  }
  .brands_banner .swiper_control {
    margin-top: 3rem;
    max-width: unset;
  }
  .brands_banner .swiper_control .swiper_btns {
    margin-left: unset;
  }
  .brands_main {
    padding: 3rem 0;
    overflow: hidden;
  }
  .brands_main.first {
    padding-top: 3rem;
  }
  .brands_main .brands_main_swiper {
    margin-top: 2rem;
    overflow: unset;
  }
  .brands_main .item .info {
    grid-template-columns: 3rem 1fr;
    gap: 1rem;
    padding: 1rem 20px;
  }
  .brands_main .item h3 {
    font-size: 18px;
    margin-top: 0;
  }
  .brands_main .item p {
    font-size: 0.9rem;
    letter-spacing: unset;
    margin-top: 4px;
  }
  .brands_main .swiper_control {
    margin-top: 2rem;
  }
  .brands_wrap {
    padding: 2rem 0;
  }
  .brands_exclusive {
    padding: 3rem 0 2rem;
  }
  .brands_exclusive .flex {
    gap: 2rem;
  }
  .brands_exclusive .head {
    max-width: unset;
    padding: 0;
  }
  .brands_exclusive .img {
    width: 100%;
  }
  .cases_banner {
    padding: 3rem 0 2rem;
  }
  .cases_banner .watermark {
    font-size: 4.1rem;
  }
  .cases_banner .head {
    max-width: unset;
  }
  .cases_banner p {
    padding-left: 1rem;
  }
  .cases_banner p::before {
    height: 100%;
    top: 0;
  }
  .cases_banner .cases_banner_swiper {
    width: 100%;
    overflow: unset;
    margin: 0;
  }
  .cases_nav {
    padding: 2rem 0 1rem;
  }
  .cases_nav .nav_list {
    gap: 1.2rem;
    flex-wrap: nowrap;
    width: calc(100% + 40px);
    padding: 0 20px;
    margin: 0 -20px;
    justify-content: unset;
    overflow-x: auto;
  }
  .cases_nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .cases_nav .nav_item {
    font-size: 14px;
    padding: 12px 0;
    white-space: nowrap;
  }
  .cases_main {
    padding: 2rem 0 3rem;
  }
  .cases_main .list > ul {
    gap: 2rem;
  }
  .cases_main .case_list li:nth-child(even) a {
    grid-template-columns: 1fr;
  }
  .cases_main .case_list li:nth-child(even) .img {
    order: unset;
  }
  .cases_main .case_list a {
    grid-template-columns: 1fr;
  }
  .cases_main .case_list .info {
    padding: 1rem 20px 2rem;
  }
  .cases_main .case_list .info span {
    grid-template-columns: 7px 1fr;
    gap: 7px;
    font-size: 14px;
  }
  .cases_main .case_list .info strong {
    font-size: 18px;
    margin-top: 10px;
    padding-bottom: 10px;
  }
  .cases_main .case_list .info p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .cases_main .case_list .info .btn_line {
    margin-top: 20px;
  }
  .cases_main p.center:has(.btn_line) {
    margin-top: 3rem;
    min-height: 43px;
  }
  .case_banner {
    padding: 0 0 3rem;
  }
  .case_banner .flex {
    flex-direction: column-reverse;
  }
  .case_banner .img {
    width: 100vw;
    margin: 0 -20px 1rem;
  }
  .case_banner h1 {
    margin-top: 1rem;
  }
  .case_banner .left {
    max-width: unset;
    padding: 0;
    width: 100%;
  }
  .case_banner .head span {
    font-size: 14px;
    gap: 6px;
    padding-bottom: 10px;
    grid-template-columns: 5px 1fr;
  }
  .case_banner .nums {
    margin-top: 2rem;
  }
  .case_banner .nums ul {
    gap: 2rem 1rem;
    grid-template-columns: 1fr 1fr;
  }
  .case_banner .nums ul::before {
    display: none;
  }
  .case_banner .nums li {
    padding: 0;
  }
  .case_banner .nums span {
    font-size: 2rem;
  }
  .case_banner .nums .label {
    font-size: 0.9rem;
    max-width: 100px;
    margin-left: 12px;
  }
  .case_nav .nav_list {
    gap: 1.2rem;
    flex-wrap: nowrap;
    width: calc(100% + 40px);
    padding: 0 20px;
    margin: 0 -20px;
    justify-content: unset;
    overflow-x: auto;
  }
  .case_nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .case_nav .nav_item {
    font-size: 14px;
    padding: 14px 0;
    white-space: nowrap;
  }
  .case_about {
    padding: 3rem 0 2rem;
  }
  .case_about table {
    margin-top: 1.2rem;
  }
  .case_about table td {
    font-size: 0.9rem;
    padding: 12px 0;
  }
  .case_back {
    padding: 3rem 0 2rem;
  }
  .case_desc {
    padding: 1rem 0 2rem;
  }
  .case_desc .items > div {
    grid-template-columns: 1fr;
    gap: 3rem 1rem;
  }
  .case_desc .item strong {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 0;
  }
  .case_desc .item p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0;
    margin-top: 10px;
  }
  .case_desc .item .info {
    margin-top: 1rem;
  }
  .case_desc .col-1 {
    gap: 1rem;
    grid-column: unset;
  }
  .case_desc .col-1 .info {
    max-width: unset;
    margin-top: 0;
  }
  .case_desc .col-1 .img {
    width: 100%;
  }
  .case_install {
    padding: 3rem 0;
  }
  .case_install .imgs {
    margin-top: 2rem;
  }
  .case_install .imgs > div {
    gap: 1rem;
  }
  .case_contact {
    padding: 3rem 0;
  }
  .case_contact .flex {
    display: block;
  }
  .case_contact h2 {
    font-size: 20px;
  }
  .case_contact strong {
    grid-template-columns: 7px 1fr;
    gap: 7px;
    font-size: 16px;
  }
  .case_contact .head {
    max-width: unset;
    margin-top: 1rem;
  }
  .case_related {
    padding: 3rem 0;
    margin: 1rem 0;
  }
  .case_related .case_related_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .case_related .case_related_swiper strong {
    grid-template-columns: 6px 1fr;
    gap: 7px;
    padding: 1rem 0 10px;
    font-size: 14px;
  }
  .case_related .case_related_swiper h3 {
    font-size: 18px;
    margin-top: 10px;
  }
  .case_related .swiper_control {
    margin-top: 2rem;
  }
  .chairs_banner {
    overflow: hidden;
    padding: 2rem 0 4rem;
    margin-bottom: 1rem;
  }
  .chairs_banner .flex {
    flex-direction: column-reverse;
    align-items: unset;
  }
  .chairs_banner .head {
    max-width: unset;
    padding: 0;
  }
  .chairs_banner .head span {
    font-size: 22px;
    line-height: 1.5;
    padding-top: 1rem;
    margin-top: 1rem;
  }
  .chairs_banner .head span::before {
    width: 100%;
  }
  .chairs_banner .img {
    width: 100%;
    padding-bottom: 100%;
    margin: 0 auto;
  }
  .chairs_banner .watermark {
    font-size: 4.1rem;
    bottom: 0;
    line-height: 0.72;
  }
  .chairs_comfort {
    padding: 3rem 0;
    overflow: hidden;
  }
  .chairs_comfort .chairs_comfort_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .chairs_comfort .chairs_comfort_swiper .info {
    margin-top: 1rem;
  }
  .chairs_comfort .chairs_comfort_swiper .info h3 {
    font-size: 18px;
  }
  .chairs_comfort .chairs_comfort_swiper .info p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .chairs_comfort .swiper_control {
    margin-top: 3rem;
  }
  .chairs_brand {
    padding: 3rem 0;
    overflow: hidden;
  }
  .chairs_brand .chairs_brand_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .chairs_brand .chairs_brand_swiper .img {
    width: 100%;
    padding-bottom: 59.079%;
  }
  .chairs_brand .chairs_brand_swiper .info {
    max-width: unset;
    padding: 0;
  }
  .chairs_brand .chairs_brand_swiper h3 {
    font-size: 18px;
  }
  .chairs_brand .chairs_brand_swiper strong {
    font-size: 16px;
    margin-top: 10px;
  }
  .chairs_brand .chairs_brand_swiper p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .chairs_brand .chairs_brand_swiper .btn_line {
    margin-top: 20px;
  }
  .chairs_brand .swiper_control {
    margin-top: 2rem;
  }
  .chairs_brand .swiper_content {
    overflow: unset;
    padding: 0 20px;
  }
  .chairs_brand .inner {
    margin-top: 20px;
    padding: 20px 0;
  }
  .chairs_main {
    padding: 3rem 0;
  }
  .chairs_main .nav_list {
    gap: 1.2rem;
    flex-wrap: nowrap;
    width: calc(100% + 40px);
    padding: 0 20px;
    margin: 20px -20px 0;
    justify-content: unset;
    overflow-x: auto;
  }
  .chairs_main .nav_list li {
    flex: 1 0 120px;
  }
  .chairs_main .nav_list::-webkit-scrollbar {
    display: none;
  }
  .chairs_main .nav_list .nav_item {
    font-size: 14px;
    padding: 12px 0;
  }
  .chairs_main .filter_mobile {
    display: flex;
    font-size: 16px;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
  }
  .chairs_main .filter_mobile .filter_btn {
    display: block;
    width: 22px;
    height: 22px;
    cursor: pointer;
    transition: all 0.3s;
    background: url(../img/mobile-menu/nav-btn.svg) no-repeat center / contain;
  }
  .chairs_main .filter {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    transition: all 0.3s;
    margin: 0;
  }
  .chairs_main .filter.active {
    pointer-events: all;
  }
  .chairs_main .filter.active .close {
    opacity: 1;
  }
  .chairs_main .filter.active .con {
    opacity: 1;
    transform: translate(0);
  }
  .chairs_main .filter .close {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    transition: all 0.3s;
    opacity: 0;
  }
  .chairs_main .filter .con {
    position: absolute;
    left: 0;
    top: 0;
    width: min(300px, 80vw);
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    box-shadow: rgba(0 0 0/10%) 0 0 24px;
    transition: all 0.3s;
    opacity: 0;
    transform: translateX(-100%);
  }
  .chairs_main .filter .con .close_box {
    padding: 32px 20px 20px;
    border-bottom: 1px solid #eee;
    text-align: right;
  }
  .chairs_main .filter .con .close_box .close {
    display: inline-block;
    width: 15px;
    height: 15px;
    filter: brightness(0);
    background: url('../img/mobile-menu/close.svg') no-repeat center / contain;
    cursor: pointer;
    transition: all 0.3s;
  }
  .chairs_main .filter .con .close_box .close:hover {
    transform: rotate(180deg);
  }
  .chairs_main .filter .con .close_box + div {
    flex: 1;
    overflow: auto;
  }
  .chairs_main .filter .con .close_box + div::-webkit-scrollbar {
    width: 5px;
  }
  .chairs_main .filter .con .close_box + div::-webkit-scrollbar-thumb {
    background: #888888;
    border-radius: 10px;
  }
  .chairs_main .filter .con .filters {
    display: block;
    padding: 2rem 20px;
  }
  .chairs_main .filter .con .filter_item {
    margin-bottom: 20px;
  }
  .chairs_main .filter .con .filter_item.active .select_menu {
    padding: 16px 24px;
  }
  .chairs_main .filter .con .filter_item:last-child {
    margin-bottom: 0;
  }
  .chairs_main .filter .con .filter_item .select_toggle {
    min-width: unset;
    width: 100%;
    font-size: 14px;
    padding: 14px 20px;
  }
  .chairs_main .filter .con .filter_item .select_toggle::after {
    width: 10px;
    height: 10px;
  }
  .chairs_main .filter .con .filter_item .select_menu {
    position: static;
    padding: 16px 20px;
    box-shadow: none;
    display: none;
    opacity: 1;
    pointer-events: all;
    transition: none;
    transform: translate(0);
    min-width: unset;
    margin-top: 1rem;
    border-radius: 0;
  }
  .chairs_main .filter .con .filter_item .search {
    min-width: unset;
    margin-bottom: 1rem;
  }
  .chairs_main .filter .con .filter_item .search form {
    grid-template-columns: 1fr 25px;
  }
  .chairs_main .filter .con .filter_item .search form input[type=text] {
    font-size: 14px;
    padding: 14px 20px;
  }
  .chairs_main .filter .con .filter_item .filter_menu li {
    font-size: 14px;
    padding-left: 1.5rem;
    margin-bottom: 10px;
  }
  .chairs_main .filter .con .filter_item .filter_menu li::before {
    width: 12px;
    height: 12px;
    top: 4px;
  }
  .chairs_main .filter .con .sort_item .title {
    display: block;
    margin: 2rem 0 10px;
  }
  .chairs_main .list {
    margin-top: 2rem;
  }
  .chairs_main .list > ul {
    grid-template-columns: 1fr;
    gap: 2rem 1rem;
  }
  .chairs_main .list .info {
    margin-top: 1rem;
  }
  .chairs_main .list strong {
    margin-top: 8px;
  }
  .chairs_main p.center:has(.btn_line) {
    margin-top: 3rem;
    min-height: 43px;
  }
  .news_top {
    padding: 3rem 0;
    overflow: hidden;
  }
  .news_top .head p {
    font-size: 0.9rem;
    margin-top: 10px;
    padding-left: 1rem;
  }
  .news_top .head p::before {
    height: 100%;
    top: 0;
  }
  .news_top .news_top_swiper {
    overflow: unset;
    margin-top: 2rem;
  }
  .news_top .swiper_btns {
    display: none;
    position: static;
    width: 100%;
    padding: 0 20px;
    margin-top: 2rem;
    justify-content: flex-end;
    max-width: unset;
    transform: translate(0);
  }
  .news_main {
    padding: 3rem 0;
  }
  .news_main .select {
    width: 100%;
    max-width: 240px;
    margin-top: 0;
  }
  .news_main .select select {
    font-size: 14px;
    padding: 14px 20px;
    padding-right: 3rem;
    background-size: 8px;
    background-position: right 1rem center;
  }
  .news_main .list {
    margin-top: 2rem;
  }
  .news_main .list > ul {
    grid-template-columns: 1fr;
    gap: 3rem 1rem;
  }
  .news_main .news_main .news_list .info {
    margin-top: 1rem;
  }
  .news_main p.center:has(.btn_line) {
    margin-top: 3rem;
    min-height: 43px;
  }
  .products_banner {
    margin-bottom: 1rem;
  }
  .products_banner .flex {
    min-height: 310px;
    padding: 3rem 0 4rem;
  }
  .products_banner p {
    max-width: unset;
  }
  .products_banner .watermark {
    font-size: 4.1rem;
  }
  .products_section {
    padding: 3rem 0;
  }
  .products_section .inner {
    width: calc(100% - 40px);
  }
  .products_section .flex {
    display: block;
  }
  .products_section .left {
    width: 100%;
    min-width: unset;
    position: unset;
    top: unset;
  }
  .products_section .list {
    max-width: unset;
    padding: 0;
    margin-top: 2rem;
  }
  .products_section .list > ul {
    grid-template-columns: 1fr;
    gap: 2.5rem 1rem;
  }
  .products_section .head {
    gap: 1rem;
  }
  .products_section .head .reset {
    font-size: 0.9rem;
  }
  .products_section .head .pd-filter_btn {
    display: block;
    width: 22px;
    height: 22px;
    cursor: pointer;
    transition: all 0.3s;
    background: url(../img/mobile-menu/nav-btn.svg) no-repeat center / contain;
    margin-right: auto;
  }
  .products_section .products_sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    transition: all 0.3s;
    margin: 0;
  }
  .products_section .products_sidebar.active {
    pointer-events: all;
  }
  .products_section .products_sidebar.active .close {
    opacity: 1;
  }
  .products_section .products_sidebar.active .con {
    opacity: 1;
    transform: translate(0);
  }
  .products_section .products_sidebar .close {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    transition: all 0.3s;
    opacity: 0;
  }
  .products_section .products_sidebar .con {
    position: absolute;
    left: 0;
    top: 0;
    width: min(300px, 80vw);
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    box-shadow: rgba(0 0 0/10%) 0 0 24px;
    transition: all 0.3s;
    opacity: 0;
    transform: translateX(-100%);
  }
  .products_section .products_sidebar .con .close_box {
    padding: 32px 20px 20px;
    border-bottom: 1px solid #eee;
    text-align: right;
  }
  .products_section .products_sidebar .con .close_box .close {
    display: inline-block;
    width: 15px;
    height: 15px;
    filter: brightness(0);
    background: url('../img/mobile-menu/close.svg') no-repeat center / contain;
    cursor: pointer;
    transition: all 0.3s;
  }
  .products_section .products_sidebar .con .close_box .close:hover {
    transform: rotate(180deg);
  }
  .products_section .products_sidebar .con .close_box + div {
    flex: 1;
    overflow: auto;
    padding: 2rem 20px;
  }
  .products_section .products_sidebar .con .close_box + div::-webkit-scrollbar {
    width: 5px;
  }
  .products_section .products_sidebar .con .close_box + div::-webkit-scrollbar-thumb {
    background: #888888;
    border-radius: 10px;
  }
  .products_section .products_sidebar .con .title {
    font-size: 16px;
    padding: 16px 0;
  }
  .products_section .products_sidebar .con .title::after {
    width: 12px;
    height: 12px;
  }
  .products_section .products_sidebar .con .terms {
    padding-bottom: 1.2rem;
  }
  .products_section .products_sidebar .con .terms li {
    margin-bottom: 10px;
  }
  .products_section .products_sidebar .con .terms .term {
    font-size: 0.9rem;
    padding-left: 2rem;
  }
  .products_section .products_sidebar .con .terms .term::before {
    width: 12px;
    height: 12px;
    top: 5px;
  }
  .products_section .products_sidebar .con .load_more {
    font-size: 0.9rem;
    gap: 10px;
    padding: 12px 0 0 0;
  }
  .products_section .products_sidebar .con .load_more::after {
    width: 10px;
    height: 10px;
  }
  .products_section p.center:has(.btn_line) {
    margin-top: 3rem;
    min-height: 43px;
  }
  .products_perform {
    margin: 1rem 0;
  }
  .products_perform .swiper_control {
    padding: 0 20px;
    bottom: 1rem;
  }
  .solution_intro {
    padding: 4rem 0 3rem;
  }
  .solution_intro .flex {
    gap: 2rem 1rem;
  }
  .solution_intro h2 {
    margin-bottom: 0;
  }
  .solution_intro strong {
    margin-bottom: 0;
  }
  .solution_intro .img {
    width: 100%;
    margin: 0;
  }
  .solution_process {
    padding: 4rem 0;
    margin: 1rem 0;
  }
  .solution_process .items {
    width: 100%;
    max-width: unset;
    padding: 0;
    margin-top: 2rem;
  }
  .solution_process .items::after {
    display: none;
  }
  .solution_process .items > ul {
    display: flex;
    width: calc(100% + 40px);
    padding: 0 20px;
    margin: 0 -20px;
    gap: 1.2rem;
    overflow-x: auto;
  }
  .solution_process .items > ul::-webkit-scrollbar {
    display: none;
  }
  .solution_process .item {
    flex: 1 0 160px;
  }
  .solution_process .item::after {
    display: block;
    top: 1rem;
    left: 80%;
    height: 10px;
    width: 50%;
  }
  .solution_process .item:last-child::after {
    display: none;
  }
  .solution_process .item .icon {
    width: 3rem;
    height: 3rem;
  }
  .solution_process .item h3 {
    font-size: 18px;
    margin-top: 1rem;
  }
  .solution_process .item p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .solution_display {
    padding: 3rem 0;
  }
  .solution_display .main {
    margin-top: 10px;
  }
  .solution_display .title {
    padding-bottom: 1rem;
    display: block;
  }
  .solution_display .desc {
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: unset;
    margin-top: 0;
  }
  .solution_display .info {
    margin-top: 10px;
  }
  .solution_display .info strong {
    font-size: 16px;
    margin-bottom: 4px;
  }
  .solution_display .info span {
    font-size: 0.9rem;
  }
  .solution_display .info .area {
    font-size: 2rem;
  }
  .solution_display .imgs {
    margin-top: 1.5rem;
  }
  .solution_display .imgs .img {
    margin-bottom: 1rem;
  }
  .serve_nav {
    padding: 1.2rem 0;
  }
  .serve_nav .nav_list {
    flex-wrap: nowrap;
    width: calc(100% + 40px);
    margin: 0 -20px;
    padding: 0 20px;
    justify-content: unset;
    overflow-x: auto;
    gap: 1.2rem;
  }
  .serve_nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .serve_nav .nav_item {
    font-size: 14px;
    padding: 12px 20px;
    min-width: 120px;
  }
  .serve_product {
    padding: 4rem 0;
    margin-bottom: 1rem;
  }
  .serve_product .list {
    margin-top: 2rem;
  }
  .serve_product .list ul {
    grid-template-columns: 1fr;
    gap: 2.5rem 1rem;
  }
  .serve_product .item h3 {
    font-size: 18px;
    left: 10px;
    bottom: 10px;
  }
  .serve_product .item .desc {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 1rem;
  }
  .serve_system {
    padding: 3rem 0;
  }
  .serve_system .head {
    max-width: unset;
    padding: 0;
  }
  .serve_system .img {
    width: 100%;
  }
  .serve_system .items {
    margin-top: 2rem;
  }
  .serve_system .items ul {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .serve_system .items li {
    padding: 1.2rem 20px 1.5rem;
  }
  .serve_system .items i {
    width: 2.5rem;
    height: 2.5rem;
  }
  .serve_system .items .info {
    margin-top: 1rem;
  }
  .serve_system .items h3 {
    font-size: 18px;
  }
  .serve_system .items p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .faq_intro {
    padding: 4rem 0;
    margin-bottom: 1rem;
  }
  .faq_intro .flex {
    display: block;
  }
  .faq_intro strong::after {
    width: 32px;
    margin-top: 1rem;
  }
  .faq_intro .desc p {
    margin-top: 10px;
  }
  .faq_intro .desc ul {
    margin-top: 1rem;
    padding: 0 0 1rem;
    gap: 1rem;
  }
  .faq_intro .desc ul li {
    font-size: 1rem;
  }
  .faq_intro .img {
    margin-top: 2rem;
  }
  .faq_intro .info {
    margin-top: 2rem;
  }
  .faq_intro .info h3 {
    font-size: 18px;
  }
  .faq_intro .info p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .faq_main {
    padding: 3rem 0;
  }
  .faq_main .flex {
    display: block;
  }
  .faq_main .left {
    max-width: unset;
    padding: 0;
  }
  .faq_main .nav_list {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: calc(100% + 40px);
    margin: 20px -20px 0;
    padding: 0 20px;
    overflow-x: auto;
  }
  .faq_main .nav_list::-webkit-scrollbar {
    display: none;
  }
  .faq_main .nav_list .nav_item {
    font-size: 16px;
    margin-bottom: 0;
    white-space: nowrap;
  }
  .faq_main .left p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 20px;
  }
  .faq_main .btn_line {
    margin-top: 20px;
  }
  .faq_main .list {
    max-width: unset;
    margin-top: 1.2rem;
  }
  .faq_main .faq .question {
    font-size: 1rem;
    padding: 12px 0;
    grid-template-columns: 1fr 12px;
    gap: 1rem;
  }
  .faq_main .faq .answer {
    font-size: 0.9rem;
    line-height: 1.5;
    padding-bottom: 1.2rem;
    margin-top: 0;
  }
  .faq_main p.right:has(.btn_more) {
    margin-top: 2rem;
    min-height: 21px;
  }
  .product_show {
    padding: 20px 0 4rem;
  }
  .product_show .flex {
    gap: 2rem;
  }
  .product_show .left {
    width: 100%;
    max-width: 444px;
    margin: 0 auto;
  }
  .product_show .swiper-bottom {
    margin-top: 1rem;
  }
  .product_show .swiper-bottom .swiper-prev,
  .product_show .swiper-bottom .swiper-next {
    width: 6px;
    height: 12px;
  }
  .product_show .right {
    max-width: unset;
    font-size: 0.9rem;
    padding: 0;
  }
  .product_show .right strong {
    font-size: 15px;
  }
  .product_show .right h1 {
    font-size: 25px;
    margin-top: 8px;
  }
  .product_show .right p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 1rem;
  }
  .product_show .right p::before {
    width: 12px;
    height: 12px;
    margin-bottom: 10px;
  }
  .product_show .right .colors {
    margin-top: 20px;
  }
  .product_show .right .colors ul {
    gap: 1rem;
  }
  .product_show .right .colors li {
    width: 16px;
    height: 16px;
  }
  .product_show .right .info {
    margin-top: 20px;
  }
  .product_show .right .info td {
    font-size: 0.9rem;
    padding: 12px 0;
  }
  .product_show .right .btn_w {
    margin-top: 20px;
    font-size: 14px;
    padding: 11px 20px;
  }
  .product_show .right .param {
    margin-top: 20px;
  }
  .product_show .right .param li {
    grid-template-columns: 22px 1fr;
    gap: 12px;
    margin-bottom: 10px;
  }
  .product_nav .nav_list {
    justify-content: unset;
    gap: 2rem;
    flex-wrap: nowrap;
    width: calc(1005 + 40px);
    padding: 0 20px;
    margin: 0 -20px;
    overflow-x: auto;
  }
  .product_nav .nav_list::-webkit-scrollbar {
    display: none;
  }
  .product_nav .nav_list .nav_item {
    font-size: 16px;
    padding: 14px 0;
    white-space: nowrap;
  }
  .product_nav .nav_list .nav_item::after {
    bottom: 0;
  }
  .product_desc1 {
    padding: 4rem 0 3rem;
  }
  .product_desc1 .head {
    max-width: unset;
    padding: 0;
  }
  .product_desc1 .img {
    width: 100%;
  }
  .product_desc2 {
    padding: 2rem 0;
  }
  .product_desc2 .head {
    padding: 0;
    max-width: unset;
  }
  .product_desc2 .imgs {
    width: 100%;
  }
  .product_desc2 .imgs > div {
    gap: 1rem;
  }
  .product_colors {
    padding: 3rem 0;
  }
  .product_colors .items {
    margin-top: 2rem;
  }
  .product_colors .items > div {
    gap: 2rem 1rem;
  }
  .product_colors .item .title {
    grid-template-columns: 1rem 1fr;
    gap: 12px;
    font-size: 16px;
  }
  .product_colors .item .img {
    margin-top: 1.2rem;
  }
  .product_detail {
    padding: 3rem 0;
    overflow: hidden;
  }
  .product_detail .product_detail_swiper {
    margin-top: 2rem;
    overflow: unset;
  }
  .product_detail .product_detail_swiper h3 {
    font-size: 18px;
    margin-top: 1rem;
  }
  .product_detail .swiper_control {
    margin-top: 2rem;
  }
  .product_size {
    padding: 3rem 0;
  }
  .product_size .flex {
    margin-top: 2rem;
  }
  .product_size .img {
    width: 100%;
  }
  .product_size .main {
    padding: 0;
  }
  .product_size table td {
    font-size: 0.9rem;
    padding: 12px 0;
  }
  .product_faqs {
    padding: 3rem 0;
  }
  .product_faqs .head {
    padding: 0;
  }
  .product_faqs .faqs {
    width: 100%;
  }
  .product_faqs .faq .question {
    font-size: 16px;
    grid-template-columns: 1fr 12px;
    gap: 1rem;
    padding: 12px 0;
  }
  .product_faqs .faq .answer {
    font-size: 0.9rem;
    line-height: 1.5;
    padding-right: 1rem;
    padding-bottom: 1.2rem;
    padding-top: 0px;
  }
  .product_recommend {
    padding: 3rem 0 2rem;
    overflow: hidden;
  }
  .product_recommend .btn_more {
    margin-top: 0;
  }
  .product_recommend .product_recommend_swiper {
    margin-top: 2rem;
    overflow: unset;
  }
  .product_recommend .swiper_control {
    margin-top: 2rem;
  }
  .chair_desc {
    padding: 3rem 0;
  }
  .chair_desc .chair_desc_swiper .img {
    width: 100%;
    padding-bottom: 66.26%;
  }
  .chair_desc .chair_desc_swiper .info {
    max-width: unset;
  }
  .chair_desc .chair_desc_swiper strong {
    font-size: 18px;
    line-height: 1.5;
  }
  .chair_desc .chair_desc_swiper p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
  }
  .chair_desc .swiper_control {
    margin-top: 2rem;
  }
  .contact_main {
    padding: 3rem 0;
  }
  .contact_main .form {
    gap: 1rem;
    margin-top: 20px;
  }
  .contact_main .form .col2 {
    width: 100%;
  }
  .contact_main .form input, .contact_main .form select, .contact_main .form textarea {
    font-size: 14px;
    padding: 12px 0;
  }
  .contact_main .form textarea {
    height: 120px;
  }
  .contact_main .form .btn {
    padding: 12px 2rem;
  }

  /*** global css ***/
  .wpcf7 form.wpcf7-form .wpcf7-not-valid-tip {
    font-size: 12px;
    margin-top: 5px;
  }
  .wpcf7 form.wpcf7-form .wpcf7-response-output {
    font-size: 14px;
    line-height: 1.5;
  }
  .quote_modal .btn {
    padding: 12px 2rem;
  }
  /*** global css ***/

  section.home_statistics .nums span {
    font-size: 2rem;
  }
  .post_section{
    padding-top: 2rem;
    padding-bottom: 0;
  }
  .post_section .head ul i{
    width: 20px;
    min-width: 20px;
    font-size: 1rem;
  }
  .post_section .gap{
    margin-top: 2rem;
    gap: 2rem;
  }
  .post_section .postdetail h2{
    font-size: 1.5rem;
    margin-right: 3rem;
    margin-bottom: 1rem;
    line-height: 1.5rem;
  }
  .post_section .postdetail p{
    font-size: 0.9rem;
    line-height: 1.5rem;
    margin-bottom: 1rem;
  }
  .post_section .postdetail h3{
    font-size: 1.2rem;
    margin: 1rem 0;
  }
  .post_section .postdetail{
    padding-bottom: 1rem;
  }
  .post_section .metas .tags strong{
    font-size: 1rem;
  }
  .post_section .metas .tags{
    gap: 1rem;
  }
  .post_section .metas .tags ul li{
    font-size: 1rem;
    line-height: 1.5rem;
    padding: 0.5rem 1rem;
  }
  .post_section .search_box form input[type=text]{
    font-size: 1rem;
    padding: 0.5rem 0.9rem;

  }
  .post_section .search_box form input[type=submit] {
    background: url(../img/icon-search.svg) no-repeat center left 3.5rem / 1rem;
  }
  .post_section .slide_obj strong{
    font-size: 1.5rem;
  }
  .post_section .slide_category ul a{
    font-size: 1rem;
  }
  .post_section .slide_category ul{
    margin-top: 1.5rem;
  }
  .post_section .slide_article ul .title{
    font-size: 0.9rem;
    line-height: 1.5rem;
  }
  .post_section .slide_article ul .metas{
    font-size: 1rem;
  }
  .post_section .slide_article ul .metas{
    grid-template-columns: 1rem 1fr;
  }
  .post_section .slide_article ul{
    margin-top: 1.5rem;
  }
  .post_section .slide_article ul li{
    margin-bottom: 1rem;
  }
}
@media (min-width: 640px) and (max-width: 768px) {
  .only_mobile {
    display: block;
  }
  body.fixed {
    padding-right: 0;
  }
  .btn_line,
  .btn_w,
  .btn_more {
    font-size: 16px;
  }
  .head.sm h2 {
    font-size: 24px;
  }
  .head .subtitle,
  .head strong {
    font-size: 15px;
  }
  .head h1 {
    font-size: 34px;
    line-height: 1.5;
  }
  .head h2 {
    font-size: 28px;
    line-height: 1.5;
  }
  .head .desc,
  .head p {
    font-size: 16px;
    line-height: 1.5;
    margin-top: 12px;
  }
  .head .btn_line,
  .head .btn_w,
  .head .btn_more {
    font-size: 16px;
  }
  .video_pop .pop_content {
    height: auto;
    width: 90vw;
  }
  header .phone {
    display: block;
    padding: 12px 20px;
  }
  header .phone a {
    color: #fff;
  }
  .watermark {
    font-size: 7rem;
  }
  .footer_contact .title {
    font-size: 5rem;
  }
  .footer_contact .items > ul {
    grid-template-columns: 1fr 1fr;
  }
  .brand_list {
    grid-template-columns: repeat(4, 1fr);
  }
  .home_banner .title {
    font-size: 34px;
  }
  .home_category .head p {
    font-size: 16px;
  }
  .home_category .list > ul {
    grid-template-columns: repeat(3, 1fr);
  }
  .home_category .watermark {
    font-size: 7rem;
  }
  .home_about .head .img {
    width: 56.16667%;
    padding-bottom: 45.85%;
  }
  .home_about .expert .img {
    width: 48.416667%;
    padding-bottom: 28.1%;
    margin-right: 5%;
  }
  .home_showroom .home_showroom_swiper {
    width: 51.8333%;
  }
  .home_statistics .nums > ul {
    grid-template-columns: repeat(3, 1fr);
  }
  .home_services .imgs {
    width: 60%;
  }
  .home_services .right {
    width: 30%;
  }
  .home_services .home_services_title_swiper {
    max-height: 463px;
  }
  .home_services .main {
    padding-bottom: 4rem;
  }
  .home_cases .home_cases_swiper .img {
    width: 50%;
    padding-bottom: 37.6%;
  }
  .brands_exclusive .img {
    width: 48%;
  }
  .products_section .list > ul {
    grid-template-columns: 1fr 1fr;
  }
  .products_perform .swiper_control {
    bottom: 2rem;
  }
  .product_nav .nav_list {
    justify-content: center;
  }
  .product_desc1 .img {
    width: 48%;
  }
  .product_desc2 .imgs {
    width: 69%;
  }
  .product_colors .item .title {
    font-size: 18px;
    grid-template-columns: 1.2rem 1fr;
  }
  .product_size .img {
    width: 48%;
  }
  .page_banner .flex {
    padding-bottom: 5rem;
  }
  .about_culture {
    padding-bottom: 5rem;
  }
  .about_culture .about_culture_swiper {
    width: 65.75%;
  }
  .about_culture .item::before {
    display: block;
  }
  .about_culture .item.active::before {
    width: 120%;
  }
  .about_showroom .about_showroom_swiper {
    width: 50%;
    order: unset;
  }
  .solution_intro .img {
    width: 48%;
  }
  .solution_process {
    padding-bottom: 5rem;
  }
  .solution_cases {
    padding-bottom: 5rem;
  }
  .case_desc .items > div {
    grid-template-columns: 1fr 1fr;
  }
  .case_desc .col-1 {
    grid-column: span 2;
  }
  .case_desc .col-1 .img {
    width: calc(50% - 0.5rem);
  }
  .cases_banner .cases_banner_swiper {
    width: 60%;
    margin-right: -20px;
    overflow: hidden;
  }
  .cases_main .case_list a {
    grid-template-columns: 50% 1fr;
  }
  .cases_main .case_list li:nth-child(even) a {
    grid-template-columns: 1fr 50%;
  }
  .cases_main .case_list li:nth-child(even) a .img {
    order: 2;
  }
  .chairs_banner .img {
    width: 55%;
    padding-bottom: 55%;
  }
  .chairs_main .list > ul {
    grid-template-columns: 1fr 1fr;
  }
  .page_argument .items ul {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .news_main .list > ul {
    grid-template-columns: 1fr 1fr;
  }
  .serve_product .list ul {
    grid-template-columns: 1fr 1fr;
  }
  .serve_system .img {
    width: 48%;
  }
  .serve_system .items ul {
    grid-template-columns: repeat(3, 1fr);
  }
  .chair_desc .chair_desc_swiper .img {
    width: 68.416667%;
    padding-bottom: 45.3%;
  }
  .news_top .swiper_btns {
    display: flex;
  }
  section.home_statistics .nums span {
    font-size: 1.6rem;
  }


}