/* ========================================
   响应式断点设计
   从大屏到手机的适配
   ======================================== */

/* 超大屏幕 (1400px 及以上) - 大桌面显示器 */
@media (min-width: 1400px) {
    html body * {}

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}

/* 大屏幕 (1366px 及以下) - 标准桌面 */
@media (max-width: 1366px) {
    html body * {}

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    html body * {}

    html body * {}

    .products_caps .caps_head_left {
    flex: 0 0 30rem;
}
}

/* 中等屏幕 (1280px 及以下) - 小桌面/大笔记本 */
@media (max-width: 1280px) {
    html {
        font-size: 8px;
    }

    html body * {}

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}

/* 小屏幕 (1024px 及以下) - 标准笔记本/平板横屏 */
@media (max-width: 1024px) {
    html body * {}

    html body * {}

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    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    .site_banner_1 .text-content h2 {
    font-size: 3.3rem !important;
}

    html body * {}

    .site_banner_1.site_banner_1_2 .text-content {
    padding: 0 50px;
}
}

@media (max-width: 768px) {
    .yyx-hero-title {
        font-size: 4rem !important;
        line-height: 4.8rem !important;
    }

    .yyx-section-title {
        /* font-size: 3.2rem !important; */
    }

    .yyx-hero-subtitle {
        font-size: 18px !important;
    }

    .yyx-text-large {
        font-size: 1.8rem !important;
        line-height: 3rem !important;
    }

    .yyx-text-medium {
        font-size: 1.6rem !important;
        margin: 20px auto !important;
    }

    .yyx-logo-text {
        font-size: 4.8rem !important;
    }

    html {
        font-size: 62.5%;
    }

    body .site_banner_1 .text-content h1 {
        font-size: 28px !important;
        line-height: 2;
    }

    body .products_title_area h2 {
        font-size: 22px !important;
    }

    body .site-header {
        height: 7rem !important;
        padding: .0rem 2rem !important;
    }

    body .logo-text {
        font-size: 2.8rem !important;
    }

    .header-container {
        padding: 0;
    }

    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 0 !important;
    }

    .contact-button {
        display: none;
    }

    .banner_content {
        padding: 30px 10px;
    }

    .banner_content .container {
        flex-direction: column;
        text-align: center;
        padding: 4rem 2rem;
        max-width: none;
    }

    .site_banner_1 .text-content {
        flex: 0 0 auto;
        padding-left: .0rem;
        margin-bottom: 3rem;
    }

html body .site_banner_1.site_banner_1_2.site_banner_1_3 h2 {display: none;}

    .site_banner_1 .text-content h1 {
        font-size: 2.5rem;
    }

    .site_banner_1 .text-content h2 {
        font-size: 15px !important;
    }

    .banner_image {
        flex: 0 0 auto;
    }

    .banner_image img {
        max-width: 60%;
    }

    .home_products {
        padding: 45px 20px;
    }

    .products_header_section {
        flex-direction: column;
        gap: 3rem;
        margin-bottom: 0;
    }

    .products_title_area h2 {
        font-size: 2.5rem;
    }

    .products_controls {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
        margin-bottom: 0;
    }

    .products_navigation {
        align-self: flex-end;
    }

    .products_slider .slick-slide .product_card,
    .product_card {
        padding: 2.5rem;
        flex: 0 0 28rem !important;
        width: 28rem !important;
        height: 35rem !important;
    }

    .product_card h3 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
        padding-bottom: 1.5rem;
    }

    .product_card h3::after {
        width: 5rem;
    }

    .product_card p {
        font-size: 0.85rem;
    }

    .product_card_arrow {
        width: 3.5rem;
        height: 3.5rem;
        top: 2.5rem;
        right: 2.5rem;
    }

    .product_card_arrow svg {
        width: 1.8rem;
        height: 1.8rem;
    }

    .product_card_image {
        height: 12rem;
    }

    .product_card_image img {
        height: 15rem;
        bottom: -3rem;
    }

    .products_slider_container {
        margin-left: auto;
    }

    .agency_brand {
        padding: 1rem 2rem 5rem;
    }

    .agency_brand_content {
        display: block;
        gap: 5rem;
    }

    .agency_brand_left {
        width: 100%;
        margin-bottom: 20px;
    }

    .agency_brand_left h2 {
        font-size: 22px !important;
        margin-bottom: 2rem;
    }

    .agency_brand_left p {
        font-size: 1rem;
        margin-bottom: 4rem;
        max-width: 100%;
    }

    .brand_logos_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        max-width: 100%;
        display: flex;
        width: auto;
        overflow-x: scroll;
        white-space: nowrap;
        padding: 0 0 30px;
    }

    .brand_logo {
        padding: 1.5rem;
        min-height: 6rem;
        height: 70px;
        display: inline-flex;
        width: 130px;
        margin-top: 20px;
    }

    .brand_logo img {
        max-height: 4rem;
        min-width: 20vw;
    }

    .agency_brand_right {
        min-height: 0;
        height: auto;
    }

    .brand_card {
        padding: 3rem 2.5rem;
        position: relative;
        width: 100%;
        height: auto;
        min-height: 0;
    }

    .about_yuyixin {
        padding: 35px 15px 30px;
        background: url("../images/bg1.jpg") center top / 380% no-repeat;
    }

    .about_header {
        margin-bottom: 20px;
    }

    .about_header h2 {
        font-size: 22px !important;
    }

    .about_header h3 {
        font-size: 16px !important;
        font-weight: bold;
    }

    .about_header p {
        font-size: 0.95rem;
        margin-bottom: 3rem;
    }

    .about_images {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 5rem;
    }

    .about_image img {
        height: 20rem;
    }

    .about_stats {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .stat_number {
        font-size: 2.5rem;
    }

    .brand_card h3 {
        font-size: 20px !important;
        font-weight: bold !important;
    }

    .brand_card>p {
        font-size: 0.95rem;
        margin-bottom: 2.5rem;
    }

    .brand_features li {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }

    .brand_read_more {
        padding: 1rem 2rem;
        font-size: 0.85rem;
    }

    .why_choose_content {
        flex-direction: column;
        gap: 4rem;
    }

    .why_choose_left {
        flex: 0 0 auto;
        text-align: center;
    }

    .why_site_card_1s {
        grid-template-columns: 1fr;
    }

    .site_card_1 {
        padding: 30px 20px 20px;
        height: auto;
    }

.card_icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
}

.site_card_1 h3 {
    margin: 0 auto 10px;
    font-weight: bold;
}

.card_icon img {
    width: 32px;
    height: 32px !important;
    max-width: 32px !important;
    max-height: 32px !important;
}

    .site_card_1:nth-child(2) {
        margin-top: .0rem;
    }

    .news_update {
        padding: 45px 15px 10px;
    }

.news_update .btn_mobile_1 {
    margin: 0 auto;
    color: #333;
    border-color: #333;
    fill: #333;
}

.news_update .btn_mobile_1.news_item_read_more {
    border: 1px solid #333 !important;
    border-radius: 50px;
}

.news_update .btn_mobile_1 * {
    fill: #333;
}

.news_update::before {
    opacity: 0;
}

    .news_header {
        flex-direction: column;
        gap: 7px;
        text-align: center;
        margin-bottom: 30px;
    }

    .news_list_grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 0;
    }

    .news_header h2 {
        font-size: 3.2rem;
        color: #333;
    }

    .news_slider_container {
        padding: 0;
    }

.news_slider .slick-slide {
    margin-right: 8px;
}

    .news_nav {
        display: none;
    }

    .news_content {
        padding: 10px 0;
    }

    .news_content h3 {
        font-size: 1.7rem;
        line-height: 1.4;
    }

    .news_slider .slick-dots {
        bottom: -5rem;
    }

    .news_slider .slick-dots li button {
        width: 1.2rem;
        height: 1.2rem;
    }

    .contact_cta {
        padding: 30px 10px 40px;
        margin: 30px 20px 20px;
    }

    .contact_cta_content {
        flex-direction: column;
        text-align: center;
        padding: .0rem 2rem;
        gap: 3rem;
    }

    .contact_cta_title {
        font-size: 3.2rem;
    }

    .contact_cta_subtitle {
        font-size: 1.6rem;
    }

    .search-page .search_hero {
        padding: 6rem .0rem 4rem;
        margin-top: 6rem;
    }

    .search-page .search_hero_title {
        font-size: 3.6rem;
    }

    .search-page .search_hero_subtitle {
        font-size: 1.6rem;
        margin-bottom: 3rem;
    }

    .search-page .search_input_group {
        flex-direction: column;
        border-radius: 1.2rem;
    }

    .search-page .search_input {
        padding: 1.8rem 2.4rem;
        font-size: 1.6rem;
    }

    .search-page .search_submit_btn {
        padding: 1.8rem 2.4rem;
        border-radius: .0rem .0rem 1.2rem 1.2rem;
    }

    .search-page .search_results_grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .search-page .search_results_count {
        font-size: 2.4rem;
    }

    .search-page .search_pagination {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .search-page .no_results_actions {
        flex-direction: column;
        align-items: center;
    }

    .search-page .btn_browse_products,
    .search-page .btn_contact_support {
        width: 100%;
        max-width: 30rem;
        text-align: center;
    }

    .footer {
        padding: 30px 15px 30px;
        margin-top: 20px;
    }

    .footer_content {
        flex-direction: column;
        padding: 0;
        gap: 20px;
        display: block;
    }

    .footer_brand {
        text-align: center;
        min-width: auto;
    }

    .footer_social {
        justify-content: flex-start;
        margin-bottom: 20px;
    }

    .footer_links {
        flex-direction: column;
        gap: 3rem;
    }

    .footer_column {
        text-align: center;
        display: none;
    }

.footer_column:last-child {
    display: block;
    min-width: 0;
    max-width: none;
    width: 100%;
}

    .contact_info {
        align-items: center;
    }

    .contact_item {
        justify-content: center;
        text-align: center;
    }

    .copyright_content {
        flex-direction: column;
        gap: 0.8rem;
        padding: .0rem 2rem;
        /* text-align: center; */
        text-align: left;
        display: block;
        font-size: 12px;
    }

    .copyright_left p,
    .copyright_right p {
        font-size: 1.2rem;
    }

    .products_list .product_params {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }

    .products_list .param_item {
        flex: 0 0 auto;
    }

    .products_list .param_value {
        font-size: 1.4rem;
    }

    .products_list .param_name {
        font-size: 1.1rem;
    }

    .products_hero {
        height: 40rem;
        margin-top: 8rem;
    }

    .hero_title {
        font-size: 3.5rem;
    }

    .hero_subtitle {
        font-size: 2rem;
    }

    .hero_description {
        font-size: 1.6rem;
    }

    .products_main {
        padding: 10px 0;
    }

    .products_navigation {
        flex-direction: row;
        gap: 3rem;
        margin: 0 auto;
        width: 100%;
        display: none;
    }

    .nav_links {
        justify-content: center;
    }

    .products_grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .products_slider .slick-slide {
        max-width: none;
        margin: 0 15px;
        width: auto !important;
        height: 70vw !important;
        padding-bottom: 30px !important;
    }

    .pagination_controls {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta_title {
        font-size: 2.5rem;
    }

    .cta_subtitle {
        font-size: 1.6rem;
    }

    .product_specs_banner {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .tabs_navigation {
        flex-direction: column;
    }

    .tab_btn {
        padding: 1.5rem 2rem;
        text-align: left;
    }

    .product_details_section,
    .related_products_section,
    .inquiry_section {
        padding: 2rem;
    }

    .related_products_grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form_row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .news_detail_content {
        padding: 6rem .0rem;
    }

    .news_main_content {
        padding: 3rem 2rem;
    }

    .news_grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact_cta_content {
        flex-direction: column;
        text-align: center;
        gap: 10px;
        /* padding-bottom: 20px; */
    }

    .contact_cta_title {
        font-size: 2.4rem;
    }

    .news_article_content {
        padding: 6rem .0rem;
    }

    .article_main {
        padding: 3rem 2rem;
    }

    .article_title {
        font-size: 2.4rem;
    }

    .article_featured_image {
        height: 25rem;
    }

    .article_navigation {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .next_article {
        text-align: left;
    }

    .sidebar_widget {
        padding: 2.5rem 2rem;
    }

    .product_detail_banner {
        padding: 4rem .0rem;
        margin-top: 8rem;
    }

    .product_detail_banner .container {
        padding: 4rem 2rem;
        margin: .0rem 1rem;
    }

    .product_banner_content {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .product_detail_banner .product_specs_banner {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .product_detail_banner .spec_item {
        align-items: center;
    }

    .product_banner_right {
        flex: 0 0 auto;
    }

    .product_image_main img {
        max-height: 20rem;
    }

    .contact-page .get_in_touch_section {
        padding: 6rem .0rem;
        margin-top: 3rem;
    }

    .contact-page .get_in_touch_title {
        font-size: 2.8rem;
    }

    .contact-page .get_in_touch_subtitle {
        font-size: 1.6rem;
        margin-bottom: 4rem;
    }

    .contact-page .contact_info_row {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .contact-page .contact_info_item {
        padding: 1.5rem 2rem;
    }

    .contact-page .contact_text {
        font-size: 1.6rem;
    }

    .contact-page .offices_row {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-page .office_card {
        padding: 3rem 2rem;
    }

    .contact-page .office_title {
        font-size: 2rem;
    }

    .contact-page .office_address {
        font-size: 1.4rem;
    }

    .get_in_touch_section {
        padding: 6rem .0rem;
        margin-top: 3rem;
    }

    .get_in_touch_title {
        font-size: 2.8rem;
    }

    .get_in_touch_subtitle {
        font-size: 1.6rem;
        margin-bottom: 4rem;
    }

    .contact_info_row {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .contact_info_item {
        padding: 1.5rem 2rem;
    }

    .contact_text {
        font-size: 1.6rem;
    }

    .offices_row {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .office_card {
        padding: 3rem 2rem;
    }

    .office_title {
        font-size: 2rem;
    }

    .office_address {
        font-size: 1.4rem;
    }

    .products_modal_content {
        width: 95%;
        max-width: none;
        margin: 2rem;
        border-radius: 1.5rem;
    }

    .products_modal_close {
        top: 1.5rem;
        right: 1.5rem;
        width: 3.5rem;
        height: 3.5rem;
        font-size: 40px !important;
    }

    .products_message_container {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .products_message_left {
        height: 25rem;
        order: 1;
    }

    .products_message_right {
        padding: 3rem 2.5rem;
        order: 2;
        /* overflow-y: scroll; */
    }

    .products_form_input,
    .products_form_textarea {
        padding: 1.5rem 1.8rem;
        font-size: 1.5rem;
    }

    .products_submit_btn {
        padding: 1.6rem 3rem;
        font-size: 1.5rem;
    }

    .message-page .page_title {
        font-size: 3rem;
    }

    .message-page .page_subtitle {
        font-size: 1.6rem;
    }

    .message_form_container {
        padding: .0rem 1rem;
    }

    .page_header_content {
        padding: .0rem 1rem;
    }

    .form_row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .form_group {
        padding: 1rem 1.2rem;
    }

    .form_row_submit {
        flex-direction: column;
        gap: 2rem;
        align-items: stretch;
    }

    .captcha_container {
        flex-direction: column;
        align-items: flex-start;
    }

    .captcha_input {
        width: 100%;
    }

    .captcha_image {
        width: 100%;
        max-width: 20rem;
    }

    .btn_submit {
        width: 100%;
        padding: 1.6rem;
    }

    .product_selection_header {
        padding: 1rem 1.5rem;
    }

    .product_table thead th {
        padding: 1.5rem;
        font-size: 1.3rem;
    }

    .product_image_cell,
    .product_name_cell,
    .product_actions_cell {
        padding: 1.5rem;
    }

    .product_image_cell {
        width: 8rem;
    }

    .product_actions_cell {
        width: 10rem;
    }

    .product_icon {
        width: 4rem;
        height: 4rem;
    }

    .product_icon img {
        width: 2.5rem;
        height: 2.5rem;
    }

    .product_name {
        font-size: 1.4rem;
    }

    .message-page .main_nav {
        display: none;
    }

    .message-page .logo a {
        font-size: 2rem;
    }

    .message-page .footer_content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .message-page .footer_bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .breadcrumb_nav {
        justify-content: flex-start;
        font-size: 1.3rem;
        flex-wrap: wrap;
    }

    body.product-detail-page .nav_buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav_btn {
        margin: 0.2rem;
        border-radius: 0.6rem !important;
        padding: 5px 8px;
    }

    body.product-detail-page .section_header {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    body.product-detail-page .related_products_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    body.product-detail-page .form_row {
        grid-template-columns: 1fr;
    }

    body.product-detail-page .inquiry_form {
        padding: 3rem 2rem;
    }

    .news-list-page .news_list_container {
        padding: 3rem .0rem;
    }

    .news-list-page .news_grid_section {
        padding: 3rem 2rem;
    }

    .news-list-page .featured_news_content {
        padding: 3rem 2rem;
    }

    .news-list-page .featured_news_title {
        font-size: 2rem;
    }

    .news-list-page .news_grid_list {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .news-list-page .news_breadcrumb {
        text-align: left;
    }

    .brand_logo_float {
        float: none;
        margin: 2rem auto 3rem;
        max-width: 100%;
        width: auto;
        display: block;
        height: auto;
        padding: 30px;
    }

    .brand_text_flow {
        text-align: left;
    }

    .brand_text_flow p {
        text-indent: .0rem;
    }

    .brand_intro_content {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .other_brands .slick-arrow {
        width: 4rem;
        height: 4rem;
    }

    .other_brands .slick-prev {
        left: -2rem;
    }

    .other_brands .slick-next {
        right: -2rem;
    }

    .other_brands .slick-arrow svg {
        width: 1.8rem;
        height: 1.8rem;
    }

    .detail_related_products_section {
        padding: 25px 0px;
        margin: 10px auto;
    }

    .detail_related_products_section .section_header {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
        margin-bottom: 3rem;
    }

    .detail_related_products_section .section_title {
        font-size: 2.4rem;
    }

    .detail_related_products_carousel .slick-arrow {
        width: 4rem;
        height: 4rem;
    }

    .detail_related_products_carousel .slick-prev {
        left: -1rem;
    }

    .detail_related_products_carousel .slick-next {
        right: -1rem;
    }

    .detail_related_products_carousel .product_image {
        height: 16rem;
    }

    .detail_related_products_carousel .product_info {
        padding: 1.5rem;
    }

    .detail_related_products_carousel .product_title {
        font-size: 1.4rem;
    }

    .detail_related_products_carousel .product_specs {
        font-size: 1.3rem;
    }

    .article_detail_section {
        padding: 4.0rem .0rem;
    }

    .article_title {
        font-size: 2.8rem;
    }

    .article_meta,
    .article_info {
        flex-direction: column;
        gap: 1.0rem;
    }

    .image_grid {
        grid-template-columns: 1fr;
    }

    .navigation_wrapper {
        grid-template-columns: 1fr;
        gap: 2.0rem;
    }

    .nav_item {
        padding: 2.0rem;
    }

    .components_title {
        font-size: 2.8rem;
    }

    .article_content_wrapper {
        padding: 0;
    }

    .prev_item,
    .next_item {
        text-align: center;
        padding: 0;
        text-align: left;
        margin-bottom: 10px;
        padding: 0 10px;
    }

.prev_item *, .next_item * {
    font-size: 14px;
}

    body {
        padding: 70px 0 0;
    }

    .pconly {
        display: none;
    }

    .mobileonly {
        display: unset;
    }

    .footer_column .contact_info {
        gap: 1.5rem;
        align-items: flex-start;
        margin-top: 20px;
    }

    .footer_column .contact_info .contact_item {
        gap: 1.0rem;
        flex: 1;
        max-width: none;
        /* width: 20px; */
    }

.footer_column .contact_info .contact_item:first-child {
    /* width: 18px; */
    /* height: 18px; */
    /* flex: 1; */
}

    .footer_column .contact_info .contact_icon {
        width: auto;
        height: 14px !important;
        margin: 0;
    }

.footer_column .contact_item:nth-child(3) .contact_icon {
    height: 12px !important;
    margin-top: 4px;
}

    .footer_column .contact_info .contact_text {
        font-size: 1.3rem;
        text-align: left;
    }

    .product_card_mobile {}

    .product_card_mobile * {}

    .product_card_mobile .product_card_image_mobile {
        width: 30vw;
        height: 30vw;
        margin: 10px auto;
    }

    .product_card_mobile .product_card_content_mobile {
        background: radial-gradient(circle at 0% 0%, rgb(17, 84, 183) 0%, rgb(22, 104, 224) 100%), rgb(12, 83, 188);
        padding: 20px;
        border-radius: 20px;
    }

    .product_card_mobile .p-sinfo {
        font-size: 14px !important;
        color: #fff;
        text-align: center;
        height: 80px;
    }

    .product_card_mobile * {
        text-decoration: none;
        text-align: center;
    }

    .product_card_mobile h3 {
        font-size: 17px !important;
        color: #fff;
        height: 50px;
        margin-top: 30px;
    }

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    html body * {}

    .news-list-page .featured_news_section {
    margin-bottom: 40px;
}

    .news_image {
    height: auto;
}

    .brands_slider .brand_slide img {
    margin: 10px auto;
}

    .brands_slider .brand_slide {
    box-shadow: none !important;
    border: 1px solid #ddd;
}

    .brands_slider_container {
    padding: 20px 0 30px;
}

    #home_page_b_1.site_banner_1 .slider {
    min-height: 0;
    margin-bottom: 0;
}

    #home_page_b_1.site_banner_1 .banner_content {
    min-height: 130vw;
}

    .site_banner_1 .banner_content {}

    .article_navigation_section {
    padding: 20px 0;
}

    .site_banner_1 {
        margin: 0 -15px;
    }

    .mobile-menu-toggle span {
        margin: 2.7px 0;
        width: 22px;
        height: 2px;
    }

    .site_banner_1 .slick-center .text-content .read-more {
        margin: 0 auto;
        padding: 10px 25px;
        font-size: 12px !important;
    }

    .site_banner_1 .banner_image {
        max-width: 50vw;
    }

    .site_banner_1 .text-content p {
        margin-bottom: 20px !important;
        font-size: 12px !important;
    }

    /* 手机版字体优化 - 最小14px，最大22px */
    body {
        font-size: 16px !important;
        line-height: 1.5 !important;
    }

.message-page {
    background: #fff;
}

    /* 标题字体控制 - 严格限制在22px以内 */
    h1 {
        font-size: 22px !important;
        line-height: 1.3 !important;
        margin-bottom: 15px !important;
    }

    /* 特殊大标题也要限制 */
    .site_banner_1 h1,
    .banner h1,
    .hero h1 {
        font-size: 22px !important;
        line-height: 1.3 !important;
    }

    h2 {
        font-size: 20px !important;
        line-height: 1.3 !important;
        margin-bottom: 12px !important;
    }

    h3 {
        font-size: 18px !important;
        line-height: 1.4 !important;
        margin-bottom: 10px !important;
    }

    h4,
    h5,
    h6 {
        font-size: 16px !important;
        line-height: 1.4 !important;
        margin-bottom: 8px !important;
    }

    /* 段落和正文 */
    p {
        font-size: 15px !important;
        line-height: 1.6 !important;
        margin-bottom: 12px !important;
    }

    /* 小字体 */
    small,
    .small {
        font-size: 14px !important;
        line-height: 1.5 !important;
    }

    /* 导航字体 */
    nav a,
    .nav-link {
        font-size: 16px !important;
        padding: 12px 15px !important;
    }

    /* 按钮字体 */
    button,
    .btn,
    input[type="submit"] {
        font-size: 16px !important;
        padding: 12px 20px !important;
        border-radius: 6px !important;
    }

    /* 表单字体 */
    input,
    textarea,
    select {
        font-size: 16px !important;
        /* 防止iOS缩放 */
        padding: 12px 15px !important;
        border-radius: 6px !important;
    }

    /* 链接字体 - 严格控制大小 */
    a {
        font-size: 16px !important;
        line-height: 1.5 !important;
    }

    /* 特殊链接也要限制 */
    .site_banner_1 a,
    .banner a,
    .hero a {
        font-size: 16px !important;
        line-height: 1.5 !important;
    }

    /* Logo链接特殊处理 */
    .logo a,
    .brand a {
        font-size: 25px !important;
        line-height: 1.3 !important;
    }

    /* 列表字体 */
    li {
        font-size: 15px !important;
        line-height: 1.6 !important;
    }

    /* 容器和布局优化 */
    .container {
        padding: 0 15px !important;
        max-width: 100% !important;
    }

    /* 表单优化 */
    .form_row {
        flex-direction: column !important;
        margin-bottom: 15px !important;
    }

    .form_col {
        width: 100% !important;
        margin-bottom: 10px !important;
    }

    /* 卡片布局 */
    .card_grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    /* 图片响应式 */
    img {
        max-width: 100% !important;
        height: auto !important;
    }

    /* 表格响应式 */
    table {
        font-size: 14px !important;
        overflow-x: auto !important;
        display: block !important;
        white-space: nowrap !important;
    }

    /* 间距调整 */
    .section_padding {
        padding: 40px 0 !important;
    }

    .margin_bottom {
        margin-bottom: 20px !important;
    }

    /* 文本对齐 */
    .text_center_mobile {
        text-align: center !important;
    }

    /* 隐藏/显示元素 */
    .hide_mobile {
        display: none !important;
    }

    .show_mobile {
        display: block !important;
    }

    .article_content {
    margin: 0 auto 0;
}

    .brand_text_flow p {
    text-align: left;
}

    .brands_slider .slick-list {
    padding: 20px 0 0;
}

    .brands_slider .theimg {
    height: auto;
    padding: 30px;
    align-items: center;
}

    .other_brands {
    padding: 30px 0 0;
}

    .product_series {
    padding: 30px 4px;
}

    .brand_introduction {
    padding: 10px 10px 30px;
}

    .product-detail-page .nav_btn:nth-child(2) {
    display: none !important;
}

.product_spec_mobile * {}

    .subbtn {
    padding: 30px 0 10px;
}

.product_spec_mobile .btn-download {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    color: #333;
    font-size: 14px;
}

    .breadcrumb_nav span:not(:last-child) {}
.product-detail-page .breadcrumb_nav span:last-child{
    min-width: 100%;
}
.site_card_1:hover::before, .g_card_1:hover::before {
    display: none;
}

    .pagination {
    margin: 20px auto 10px;
}

    .pagination_nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    padding: 0;
}

    .breadcrumb_nav * {
    color: #333 !important;
    font-size: 14px !important;
}


    .sidebar_section {
    padding: 0;
    background: transparent;
}

    .env_gallery .env_grid {
    margin: 30px auto 0;
}

    .env_gallery .center_sub {
}

    .env_gallery {
    padding: 50px 15px 40px;
}

    .products_caps .more_1 {
    display: none;
}

    .products_caps .site_card_1 {
    margin-bottom: 14px;
    padding: 30px 20px 15px;
}

    .products_caps .caps_cards {
    display: block;
    margin: 20px auto;
}

    .products_caps .caps_head {
    display: block;
}

    .products_caps {
    padding: 50px 20px 50px;
}

    .about_intro .intro_media {
    MARGIN-BOTTOM: 20px;
}

    .about_intro {
    padding: 40px 10px 30px;
}

    .about_intro .intro_copy {
    max-width: 100%;
}

    .about_intro .intro_head {
    display: block;
    margin-bottom: 0;
}

    .site_banner_1.site_banner_1_2 .text-content {
    padding: 0;
    display: block;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

html body .site_banner_1.site_banner_1_2.site_banner_1_3 .text-content {
    margin-top: 0;
}
 html body .site_banner_1.site_banner_1_2.site_banner_1_3 .btn-download{
    DISPLAY: NONE;
}
     html body .site_banner_1.site_banner_1_2.site_banner_1_3 h1{
    text-align: left;
    padding-left: 10px;
    font-size: 17px !important;
    line-height: 1.8 !important;
}
     .site_banner_1.site_banner_1_2 .text-content .read-more{
    font-size: 14px !important;
    margin-top: 12px;
}
     .site_banner_1.site_banner_1_2 .text-content h2+p{
    display: none;
}
     .site_banner_1.site_banner_1_2 .text-content h2{
    padding: 0 15px;
    line-height: 1.5 !important;
}
     .site_banner_1.site_banner_1_2 .text-content h1{
    margin: 0 0 0 !important;
    font-size: 22px !important;
    font-weight: bold;
}
    
    .site_banner_1_2 .banner-img img {
    height: 48vw !important;
}

    .site_banner_1_2 {
    padding: 0 15px 0;
    margin: 0;
}

    .social_icon_img {
    width: auto !important;
    height: 14px !important;
}

    .footer_logo h2 {
    text-align: left;
    display: none;
}

    .why_choose_yuyixin {
    padding: 35px 15px 60px;
}

    .stat_icon {
    width: 32px;
    height: 32px;
    margin-right: 3px;
}

    .stat_label {
    margin: 0 auto;
    font-size: 16px;
}

    .about_image {
    max-width: 60vw;
    margin: 0 auto !important;
}

    .brand_features {
    margin-bottom: 0;
}

    .btn_mobile_1 {
    font-size: 13px !important;
    font-weight: 600 !important;
    font-family: 'Montserrat';
    border-width: 1px !important;
    padding: 10px 15px !important;
    margin-top: 20px !important;
    margin-bottom: 20px !important;
    height: auto !important;
    min-height: 20px !important;
}

    .home-page .site_banner_1 .slick-slide {
    margin: 0 6px;
}

    html body .products_slider.slick-slider {
        display: block;
    }
}

@media (max-width: 480px) {
    .contact_cta_title {
        font-size: 2.8rem;
    }

    .contact_cta_subtitle {
        font-size: 1.6rem;
    }

    .btn_contact_cta {
        padding: 10px 25px;
        font-size: 13px !important;
    }

    .search-page .search_hero_title {
        font-size: 2.8rem;
    }

    .search-page .search_hero_subtitle {
        font-size: 1.4rem;
    }

    .search-page .search_input {
        padding: 1.6rem 2rem;
        font-size: 1.4rem;
    }

    .search-page .search_submit_btn {
        padding: 1.6rem 2rem;
        font-size: 1.4rem;
    }

    .search-page .search_result_content {
        padding: 2rem;
    }

    .search-page .search_result_title {
        font-size: 1.6rem;
    }

    .search-page .search_suggestions_tags {
        gap: 0.8rem;
    }

    .search-page .search_tag {
        font-size: 1.2rem;
        padding: 0.6rem 1.2rem;
    }

    .footer_links {
        gap: 2rem;
    }

    .footer_title {
        font-size: 14px !important;
        margin-bottom: 1.6rem;
        text-align: left;
        display: none;
    }

    .footer_link {
        font-size: 1.3rem;
    }

    .contact_item {
        font-size: 1.3rem;
    }

    .footer_copyright {
        padding: 1.6rem .0rem;
    }

    .copyright_left p,
    .copyright_right p {
        font-size: 12px !important;
    }

    .news_sidebar {
        padding: 2rem;
    }

    .sidebar_tabs {
        flex-direction: row;
        gap: 0.5rem;
    }

    .tab_btn {
        flex: 1 1 0%;
        text-align: center;
        padding: 1rem 1.5rem;
        font-size: 1.3rem;
    }

    .featured_news_item {
        flex-direction: row;
        gap: 1.5rem;
    }

    .featured_news_image {
        width: 12rem;
        height: 8rem;
        flex-shrink: 0;
    }

    .featured_news_content h4 {
        font-size: 1.4rem;
    }

    .featured_news_content p {
        font-size: 1.3rem;
    }

    .article_meta {
        flex-direction: column;
        gap: 1rem;
    }

    .article_info {
        flex-direction: column;
        gap: 1rem;
    }

    .article_content {
        font-size: 1.5rem;
    }

    .article_lead {
        font-size: 1.6rem;
        padding: 1.5rem;
    }

    .article_content h3 {
        font-size: 2rem;
    }

    .article_tags {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .related_news_item {
        flex-direction: column;
        gap: 1rem;
    }

    .related_news_image {
        width: 100%;
        height: 12rem;
    }

    .products_modal_content {
        width: 98%;
        margin: 1rem;
        max-height: 80vh;
        overflow-y: scroll;
    }

    .products_message_right {
        padding: 2rem 1.5rem;
    }

    .products_form_input,
    .products_form_textarea {
        padding: 1.2rem 1.5rem;
        font-size: 1.4rem;
    }

    .breadcrumb_nav {
        font-size: 1.2rem;
        gap: 0.6rem;
    }

    body.product-detail-page .section_title {
        font-size: 2.4rem;
    }

    body.product-detail-page .product_description p {
        font-size: 1.4rem;
    }

    body.product-detail-page .related_products_grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    body.product-detail-page .related_product_item {
        padding: 2.5rem 1.5rem;
    }

    body.product-detail-page .product_image {
        height: 8rem;
        margin-bottom: 2rem;
    }

    body.product-detail-page .product_image img {
        max-width: 6rem;
        max-height: 6rem;
    }

    .news-list-page .news_tabs {
        flex-direction: column;
        gap: .0rem;
    }

    .news-list-page .news_tab_btn:first-child {
        border-radius: 0.8rem 0.8rem .0rem .0rem;
    }

    .news-list-page .news_tab_btn:last-child {
        border-radius: .0rem .0rem 0.8rem 0.8rem;
    }

    .news-list-page .featured_news_title {
        font-size: 1.8rem;
    }

    .news-list-page .featured_news_description {
        font-size: 1.4rem;
    }

    .other_brands .slick-arrow {
        width: 3.5rem;
        height: 3.5rem;
    }

    .other_brands .slick-prev {
        left: -1.75rem;
    }

    .other_brands .slick-next {
        right: -1.75rem;
    }

    .other_brands .slick-arrow svg {
        width: 1.6rem;
        height: 1.6rem;
    }

    .detail_related_products_section .section_title {
        font-size: 2rem;
    }

    .detail_related_products_carousel .slick-arrow {
        display: none !important;
    }

    .detail_related_products_carousel .product_image {
        height: 14rem;
    }

    .products_slider_mobile {
        padding: 0;
        padding-top: 30px;
        margin: 0 -15px;
    }

    .products_slider_mobile .slick-slide {
        padding: 4px;
    }

    .products_slider_mobile .slick-slide .product_card_mobile a {
        padding: 16px;
    }

    .products_slider_mobile .slick-slide .product_card_mobile {
        border-radius: 18px;
    }

    .products_slider_mobile .yyx-card-title {
        font-size: 14px;
        min-height: 34px;
        margin-bottom: 10px;
        font-weight: 800;
    }

    .products_slider_mobile .yyx-text {
        font-size: 12px;
        -webkit-line-clamp: 2;
        margin-bottom: 14px;
        line-height: 1.5;
    }

    .products_slider_mobile .product_card img {
        height: 80px;
        border-radius: 14px;
    }

    /* 调整间距保持现代感 */
    .products_slider_mobile.slick-initialized .slick-slide {
        width: calc(50% - 4px) !important;
        margin: 0 2px;
    }

    .products_slider_mobile .slick-track {
        margin-left: -2px;
        margin-right: -2px;
    }

    /* 导航点适配小屏 */
    .products_slider_mobile .slick-dots {
        bottom: -45px;
    }

    .products_slider_mobile .slick-dots li button:before {
        width: 6px;
        height: 6px;
    }
}