/* 移动端响应式样式 - 优化版 */
@media screen and (max-width: 768px) {
    /* 全局优化 */
    * {
        box-sizing: border-box;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    }

    html, body {
        overflow-x: hidden;
        width: 100%;
        -webkit-overflow-scrolling: touch;
    }

    body {
        font-size: 14px;
        line-height: 1.6;
        padding-top: 60px !important;
    }

    /* ========== 重新设计的顶部导航 ========== */
    #top {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: 60px !important;
        background: linear-gradient(135deg, #f08300 0%, #ff9f2e 100%) !important;
        box-shadow: 0 2px 15px rgba(0,0,0,0.15) !important;
        z-index: 9999 !important;
        margin: 0 auto;
    }

    #header {
        height: 60px !important;
        width: 100% !important;
        max-width: 1000px;
        margin: 0 auto;
        padding: 0 15px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    /* 确保 header 内容垂直居中 */
    #header > * {
        display: flex;
        align-items: center;
    }

    /* Logo 区域 */
    a.logo {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        display: flex;
        align-items: center;
        margin: 0;
        float: none !important;
        z-index: 10001;
        padding: 5px 0;
    }

    a.logo img {
        max-width: 120px;
        max-height: 45px;
        height: auto;
        width: auto;
        object-fit: contain;
    }

    /* 移动端菜单按钮 - 汉堡图标 */
    .mobile-menu-btn {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 44px;
        height: 44px;
        background: transparent;
        border: 2px solid rgba(255,255,255,0.5);
        border-radius: 8px;
        cursor: pointer;
        z-index: 10001;
        transition: all 0.3s ease;
        padding: 0;
    }

    .mobile-menu-btn.active {
        border-color: transparent;
        background: rgba(255,255,255,0.2);
    }

    .mobile-menu-btn span {
        display: block;
        width: 22px;
        height: 2.5px;
        background: #fff;
        border-radius: 2px;
        margin: 2.5px 0;
        transition: all 0.3s ease;
    }

    /* 汉堡图标动画 - 变 X */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(5px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-5px) rotate(-45deg);
    }

    /* 全屏菜单遮罩 */
    #menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 10000;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    #menu.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    /* 菜单内容区域 */
    .mobile-menu-content {
        position: fixed;
        top: 60px;
        right: -100%;
        bottom: 0;
        width: 80%;
        max-width: 320px;
        background: #fff;
        box-shadow: -5px 0 20px rgba(0,0,0,0.15);
        transition: right 0.3s ease;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        display: flex;
        flex-direction: column;
        z-index: 10001;
    }

    #menu.active .mobile-menu-content {
        right: 0;
    }

    /* 菜单头部 */
    .mobile-menu-header {
        background: linear-gradient(135deg, #f08300 0%, #ff9f2e 100%);
        padding: 25px 20px;
        color: #fff;
        flex-shrink: 0;
        min-height: 80px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .mobile-menu-header h3 {
        margin: 0;
        font-size: 20px;
        font-weight: bold;
        line-height: 1.3;
        letter-spacing: 1px;
    }

    .mobile-menu-header p {
        margin: 8px 0 0;
        font-size: 13px;
        opacity: 0.95;
        line-height: 1.4;
        letter-spacing: 0.5px;
    }

    /* 菜单列表 */
    ul.dropdown {
        background: #fff;
        padding: 0;
        margin: 0;
        flex: 1;
    }

    ul.dropdown li {
        position: relative;
    }

    ul.dropdown li.hasNav > a {
        padding-right: 40px !important;
    }

    /* 子菜单切换图标 */
    ul.dropdown li.hasNav > a .submenu-toggle {
        display: inline-block;
        width: 24px;
        height: 24px;
        line-height: 22px;
        text-align: center;
        background: #f5f5f5;
        border-radius: 4px;
        color: #999;
        font-size: 18px;
        font-weight: bold;
        margin-left: 10px;
        transition: all 0.2s;
    }
    
    ul.dropdown li.hasNav.open > a .submenu-toggle {
        background: #f08300;
        color: #fff;
    }

    ul.dropdown li a {
        display: block;
        padding: 16px 20px !important;
        margin-left: 0 !important;
        font-size: 15px !important;
        color: #333 !important;
        text-decoration: none;
        border-bottom: 1px solid #f5f5f5;
        transition: all 0.2s;
    }

    ul.dropdown li a:active {
        background: #fff8f0 !important;
    }
    
    /* 选中状态 */
    ul.dropdown li.selected > a {
        background: linear-gradient(135deg, #f08300 0%, #ff9f2e 100%) !important;
        color: #fff !important;
        font-weight: bold;
    }

    /* 二级菜单容器 */
    ul.dropdown ul {
        display: none;
        background: #fafafa !important;
        padding: 0 !important;
        margin: 0 !important;
        border-top: 1px solid #eee !important;
    }

    /* 二级菜单项 */
    ul.dropdown ul li {
        border-bottom: 1px solid #eee;
    }
    
    ul.dropdown ul li:last-child {
        border-bottom: none;
    }

    ul.dropdown ul li a {
        padding: 14px 20px 14px 50px !important;
        font-size: 14px !important;
        color: #555 !important;
        background: transparent !important;
        position: relative;
    }
    
    /* 二级菜单前的圆点 */
    ul.dropdown ul li a::before {
        content: '●';
        position: absolute;
        left: 28px;
        top: 50%;
        transform: translateY(-50%);
        color: #f08300;
        font-size: 12px;
    }

    ul.dropdown ul li a:active {
        background: #f0f0f0 !important;
        color: #f08300 !important;
    }
    
    ul.dropdown ul li a:hover {
        color: #f08300 !important;
    }
    
    /* 二级菜单选中状态 */
    ul.dropdown ul li.selected > a {
        background: #fff3e0 !important;
        color: #f08300 !important;
        font-weight: bold;
    }
    
    /* 菜单滚动条美化 */
    .mobile-menu-content::-webkit-scrollbar {
        width: 6px;
    }

    .mobile-menu-content::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    .mobile-menu-content::-webkit-scrollbar-thumb {
        background: #c1c1c1;
        border-radius: 3px;
    }

    .mobile-menu-content::-webkit-scrollbar-thumb:hover {
        background: #a8a8a8;
    }
    
    /* 菜单项点击反馈 */
    ul.dropdown li a {
        -webkit-tap-highlight-color: rgba(240, 131, 0, 0.2);
    }
    
    /* 菜单关闭按钮（可选） */
    .mobile-menu-close {
        display: none;
    }
    
    /* 404 页面优化 */
    .header {
        padding: 10px 0 !important;
    }
    
    .header-content {
        padding: 0 15px !important;
    }
    
    .logo svg {
        height: 40px !important;
    }
    
    .logo-text {
        font-size: 16px !important;
        margin-left: 10px;
    }
    
    .error-code {
        font-size: 100px !important;
    }
    
    .error-title {
        font-size: 24px !important;
    }
    
    .error-message {
        font-size: 14px !important;
    }
    
    .back-btn {
        padding: 12px 30px !important;
        font-size: 14px !important;
    }
    
    .error-container {
        padding: 30px 15px !important;
    }

    #menu_232 ul {
        width: 100% !important;
        left: auto !important;
        padding: 0 !important;
    }
    
    #menu_232 ul li {
        float: none !important;
        padding: 10px 20px !important;
    }
    
    /* Banner 优化 */
    #banner {
        height: 280px !important;
        margin: 0;
        padding: 0;
        width: 100%;
        overflow: hidden;
    }

    .swiper-container,
    .swiper-wrapper,
    .swiper-slide {
        height: 280px !important;
    }

    /* 覆盖内联样式的 550px 高度 */
    .swiper-slide a[style*="height:550px"],
    .swiper-slide a {
        height: 280px !important;
        width: 100% !important;
        display: block !important;
    }
    
    /* Banner 背景图片适配 */
    .swiper-slide {
        background-size: cover !important;
        background-position: center top !important;
    }
    
    /* 移除顶部占位高度 */
    div[style*="height:90px"] {
        height: 0 !important;
        margin: 0 !important;
    }
    
    /* 位置导航条 */
    .location {
        height: auto !important;
        line-height: 40px !important;
        padding: 0 15px;
        font-size: 13px;
    }
    
    .location-box {
        width: 100% !important;
        padding: 0;
    }
    
    /* 通用容器 */
    .center, #center, .location-box, .about-content,
    .blk_29, .index_service_ul, .tade_ul,
    .service_index ul, .footer, .copyright p {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    /* 内容区域布局优化 */
    .about-content {
        display: block;
        margin: 20px 0;
        padding: 0 15px;
    }
    
    .about-left, .about-right {
        width: 100% !important;
        float: none !important;
    }
    
    .about-left {
        margin-bottom: 20px;
    }
    
    /* 标题优化 */
    .about-title {
        margin-bottom: 20px;
        padding-bottom: 12px;
    }
    
    .about-title h2 {
        font-size: 20px !important;
    }
    
    .about-title p {
        font-size: 12px !important;
        margin-top: 5px;
    }
    
    .web_h1 {
        font-size: 18px !important;
        padding: 15px 0;
    }
    
    .current_h1 h1 {
        font-size: 18px !important;
    }
    
    /* 内容文字优化 */
    .about-text {
        font-size: 14px !important;
        line-height: 1.8 !important;
    }
    
    .current_content {
        font-size: 14px !important;
        line-height: 1.8 !important;
        padding: 15px 0;
    }
    
    /* 图片自适应 */
    .h1_img {
        padding: 20px 0 !important;
    }
    
    .h1_img img {
        max-width: 100%;
        height: auto;
    }
    
    .content-image {
        margin: 20px 0 !important;
    }
    
    .content-image img {
        max-width: 100%;
        height: auto;
    }
    
    .image-caption {
        font-size: 12px;
        color: #999;
        text-align: center;
        margin-top: 8px;
    }
    
    /* 服务列表优化 */
    .index_service_ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .index_service_ul li {
        float: none !important;
        width: calc(50% - 10px) !important;
        padding: 15px !important;
        margin: 0 !important;
        background: #f8f8f8;
        border-radius: 8px;
    }
    
    .index_service_ul li i {
        width: 50px !important;
        height: 50px !important;
        background-size: 40px !important;
        margin-bottom: 8px;
    }
    
    .index_service_ul li p a {
        font-size: 14px !important;
    }
    
    /* 案例展示优化 */
    .blk_29 {
        height: auto !important;
        position: relative;
    }
    
    .blk_29 .box {
        width: 100% !important;
        float: none !important;
        padding-right: 0 !important;
        margin-bottom: 15px;
    }
    
    .blk_29 .box img {
        max-width: 100%;
        height: auto;
    }
    
    .blk_29 a {
        font-size: 14px !important;
        padding: 8px 0;
    }
    
    #LeftArr, #RightArr {
        display: none !important;
    }
    
    /* 流程图片优化 */
    .tade_ul {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    
    .tade_ul li {
        width: 100% !important;
        float: none !important;
        margin: 0 !important;
    }
    
    .tade_ul li img {
        max-width: 100%;
        height: auto;
    }
    
    .tade_ul li p {
        font-size: 14px !important;
        padding: 8px 10px;
    }
    
    .tade_ul li p a {
        font-size: 16px !important;
    }
    
    /* 服务索引优化 */
    .service_index {
        padding: 30px 0 !important;
        margin-top: 50px !important;
    }
    
    .service_index h2 {
        font-size: 20px !important;
        font-weight: normal;
        padding: 0 15px;
    }
    
    .service_index ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    
    .service_index li {
        float: none !important;
        width: calc(50% - 10px) !important;
        padding: 20px 10px !important;
    }
    
    .service_index li i {
        width: 80px !important;
        height: 80px !important;
        background-size: contain !important;
    }
    
    .service_index li b {
        font-size: 16px !important;
        padding: 10px 0 8px;
    }
    
    .service_index li font {
        font-size: 13px !important;
    }
    
    .service_index li.icon3,
    .service_index li.icon2 {
        margin: 0 !important;
    }
    
    /* 统计数据块 */
    .stats-box, .stat-item {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stats-item {
        padding: 15px 10px !important;
    }
    
    .stats-item .num {
        font-size: 24px !important;
    }
    
    .stats-item .label {
        font-size: 12px !important;
    }
    
    /* 特性列表 */
    .feature-box {
        padding: 20px !important;
        margin: 20px 0;
    }
    
    .feature-box h4 {
        font-size: 16px !important;
        margin-bottom: 15px;
    }
    
    .feature-list {
        display: block;
    }
    
    .feature-list li {
        width: 100% !important;
        float: none !important;
        margin: 8px 0 !important;
        padding: 12px;
        font-size: 13px !important;
    }
    
    /* 联系页面优化 */
    .contact-grid {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-info, .contact-form {
        padding: 20px 15px !important;
    }
    
    .contact-info h4, .contact-form h4 {
        font-size: 16px !important;
    }
    
    .info-item {
        flex-direction: column;
        padding: 12px;
    }
    
    .info-item .icon {
        margin-bottom: 8px;
    }
    
    .info-item .label {
        font-size: 12px !important;
    }
    
    .info-item .value {
        font-size: 14px !important;
    }
    
    .branch-list {
        grid-template-columns: 1fr !important;
    }
    
    .branch-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    /* 表单优化 */
    .form-group {
        margin: 12px 0;
    }
    
    .form-group label {
        font-size: 13px !important;
        margin-bottom: 6px;
    }
    
    .form-group input,
    .form-group textarea {
        width: 100% !important;
        padding: 12px !important;
        font-size: 14px !important;
    }
    
    .form-submit {
        text-align: center !important;
    }
    
    .form-submit button {
        width: 100%;
        padding: 14px !important;
        font-size: 16px !important;
    }
    
    /* 页脚优化 */
    #footer {
        background-size: cover;
        padding-top: 20px;
    }
    
    .footer {
        padding: 0 15px;
    }
    
    .fmenu, .form_right {
        width: 100% !important;
        float: none !important;
        border: none !important;
        margin-top: 20px !important;
        padding: 0 !important;
    }
    
    .fmenu {
        text-align: center;
        border-bottom: 1px solid #ddd;
        padding-bottom: 20px;
    }
    
    .fmenu p {
        text-align: center;
        padding: 8px 0;
    }
    
    .fmenu p a {
        font-size: 13px !important;
    }
    
    .fmenu p span {
        margin: 0 5px;
    }
    
    .fmenu p font {
        background: none !important;
        padding-left: 0 !important;
        display: block;
        margin: 5px 0;
        text-align: center;
        font-size: 13px !important;
    }

    .footer-qr {
        max-width: 120px;
        height: auto;
        display: block;
        margin: 10px auto;
    }

    .footer-content {
        text-align: center;
        margin-top: 15px;
    }

    .site_name strong {
        display: block;
        font-size: 14px !important;
        margin-bottom: 8px;
        color: #333;
    }

    .site_name span {
        display: block;
        font-size: 12px !important;
        color: #999;
    }

    .contact_info {
        margin-top: 10px;
    }

    .contact_info font {
        display: block;
        font-size: 13px !important;
        margin: 5px 0;
        text-align: center;
    }

    .form_right {
        border-left: none !important;
        border-top: 1px solid #ddd;
        padding-top: 20px !important;
        margin-top: 20px !important;
    }

    .form_right h4 {
        font-size: 16px !important;
        margin-bottom: 15px;
        text-align: center;
    }

    .form_right p {
        margin: 10px 0;
        text-align: left;
    }

    .form_right p label {
        display: block;
        margin-bottom: 5px;
        font-size: 13px !important;
        color: #333;
    }

    .form_right p input[type='text'] {
        width: 100% !important;
        padding: 10px !important;
        font-size: 14px !important;
        box-sizing: border-box;
    }

    .form_right p #submit,
    .form_right input[type="submit"] {
        width: 100%;
        padding: 12px 20px !important;
        margin-top: 10px;
        font-size: 15px !important;
        border-radius: 25px;
        background: linear-gradient(135deg, #f08300 0%, #ff9f2e 100%);
    }

    /* 友情链接 */
    .flink {
        padding: 20px 15px !important;
        text-align: center;
    }

    .flink span {
        display: block;
        margin-bottom: 15px;
    }

    .flink span img {
        max-width: 100%;
        height: auto;
    }

    .flink a {
        display: inline-block;
        margin: 5px;
        padding: 3px;
        border: 1px solid #eee;
        border-radius: 4px;
    }

    .flink a img {
        height: 40px !important;
        width: auto;
    }

    /* 版权信息 */
    .copyright p {
        width: 100% !important;
        padding: 15px !important;
        text-align: center;
        line-height: 1.8;
        font-size: 12px !important;
    }

    .copyright p span {
        float: none;
        display: block;
    }

    .copyright p a {
        color: #666;
        text-decoration: none;
    }
    
    /* 新闻列表优化 */
    .ullist {
        display: flex;
        flex-direction: column;
    }
    
    .ullist li {
        width: 100% !important;
        float: none !important;
        margin-right: 0 !important;
        margin-bottom: 20px;
    }
    
    .ullist li img {
        max-width: 100%;
        height: auto;
        margin-bottom: 10px;
    }
    
    .ullist li a em {
        font-size: 15px !important;
        line-height: 1.4 !important;
    }
    
    .ullist li p.time {
        font-size: 12px !important;
        padding: 8px 0;
    }
    
    .ullist li p {
        font-size: 13px !important;
        line-height: 1.6 !important;
    }
    
    .news_list li {
        margin-bottom: 20px;
    }
    
    .news_list li img {
        width: 100% !important;
        height: auto;
        float: none;
        margin: 0 0 10px;
    }
    
    .news_list li span.time {
        position: relative !important;
        right: auto;
        top: auto;
        display: block;
        margin-top: 8px;
    }
    
    /* 证书查询快捷入口 */
    div[style*="background: #f08300"] {
        padding: 25px 15px !important;
        margin: 20px 0 !important;
    }
    
    div[style*="background: #f08300"] h2 {
        font-size: 20px !important;
        margin-bottom: 10px !important;
    }
    
    div[style*="background: #f08300"] p {
        font-size: 14px !important;
        margin-bottom: 15px !important;
    }
    
    .cert-query-btn {
        display: inline-block;
        background: #fff;
        color: #f08300;
        padding: 12px 35px;
        border-radius: 25px;
        font-size: 15px;
        font-weight: bold;
        text-decoration: none;
        transition: all 0.3s;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }
    
    .cert-query-btn:active {
        transform: scale(0.98);
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    /* 核心业务展示 */
    .services-section {
        padding: 40px 15px;
    }
    
    .services-container {
        max-width: 100%;
    }
    
    .section-title {
        text-align: center;
        margin-bottom: 30px;
    }
    
    .section-title h2 {
        font-size: 24px !important;
        color: #333;
        margin-bottom: 8px;
    }
    
    .section-title p {
        font-size: 13px !important;
        color: #999;
        text-transform: uppercase;
    }
    
    .services-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .service-card {
        background: #fff;
        border: 1px solid #eee;
        border-radius: 8px;
        padding: 20px 15px !important;
        text-align: center;
        transition: all 0.3s;
        text-decoration: none;
        display: block;
    }
    
    .service-card:active {
        transform: translateY(-3px);
        box-shadow: 0 5px 20px rgba(240,131,0,0.15);
        border-color: #f08300;
    }
    
    .service-icon {
        font-size: 40px;
        margin-bottom: 10px;
    }
    
    .service-card h3 {
        font-size: 15px !important;
        color: #333;
        margin: 10px 0 8px;
        font-weight: bold;
    }
    
    .service-card p {
        font-size: 12px !important;
        color: #666;
        line-height: 1.5;
        margin: 0;
    }
    
    /* 通知区域 */
    .notice_area {
        height: auto !important;
        padding: 12px 0;
    }
    
    #notice {
        width: 100% !important;
        height: auto !important;
        padding: 0 15px;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .notice-title {
        float: none;
        width: 100%;
        text-align: center;
        font-size: 14px;
        color: #fff;
        margin-bottom: 5px;
    }
    
    .notice-news {
        width: 100% !important;
        float: none;
    }
    
    .notice-faq {
        display: none !important;
    }
    
    /* 服务图标列表 */
    .index_service_ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        width: 100% !important;
        padding: 0 15px;
    }
    
    .index_service_ul li {
        width: calc(33.333% - 10px) !important;
        float: none !important;
        padding: 15px 10px !important;
        margin: 0 !important;
        background: #f8f8f8;
        border-radius: 8px;
        text-align: center;
    }
    
    .index_service_ul li i {
        width: 60px !important;
        height: 60px !important;
        background-size: 50px !important;
        margin: 0 auto 10px;
    }
    
    .index_service_ul li p a {
        font-size: 14px !important;
        color: #333;
        font-weight: bold;
    }
    
    /* 案例展示 */
    .index_case {
        padding: 30px 0 !important;
    }
    
    .blk_29 {
        width: 100% !important;
        height: auto !important;
        position: relative;
        padding: 0 15px;
    }
    
    .blk_29 .box {
        width: 100% !important;
        float: none !important;
        padding-right: 0 !important;
        margin-bottom: 0;
    }
    
    .blk_29 .box img {
        max-width: 100%;
        height: auto;
    }
    
    .blk_29 a {
        font-size: 14px !important;
        padding: 10px 0;
        display: block;
    }
    
    #LeftArr, #RightArr {
        display: none !important;
    }
    
    /* 图片标题优化 */
    .h1_img {
        padding: 20px 15px !important;
        text-align: center;
    }
    
    .h1_img img {
        max-width: 100%;
        height: auto;
    }
    
    /* 优势展示区 */
    .index_advange {
        padding: 20px 0 !important;
    }
    
    .index_advange img {
        max-width: 100%;
        height: auto;
    }
    
    /* 流程区 */
    .index_liucheng {
        padding: 20px 0 !important;
    }
    
    /* 行业展示 */
    .index_tade {
        padding: 30px 0 !important;
    }
    
    .tade_ul {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 100% !important;
        padding: 0 15px;
    }
    
    .tade_ul li {
        width: 100% !important;
        float: none !important;
        margin: 0 !important;
        text-align: center;
    }
    
    .tade_ul li img {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
    }
    
    .tade_ul li p {
        padding: 10px;
        font-size: 14px !important;
    }
    
    .tade_ul li p b a {
        font-size: 16px !important;
        color: #f29705;
        font-weight: bold;
    }
    
    /* 关于我们区域 */
    .index_about {
        padding: 30px 0 !important;
        margin-top: 0 !important;
        height: auto !important;
        background: #f8f9fa;
    }
    
    .index_about .h1_img {
        padding: 15px !important;
    }
    
    .index_about p[style*="line-height:80px"] {
        display: none;
    }
    
    /* 图片动画区域 */
    .cimgs {
        width: 100% !important;
        overflow: hidden;
        padding: 0 15px;
    }
    
    .cimgs img {
        max-width: 100%;
        height: auto;
        margin: 10px 0;
    }
    
    /* 页脚图片 */
    #footer .h1_img {
        padding: 15px !important;
    }
    
    #footer .h1_img img {
        max-width: 100%;
        height: auto;
    }
    
    /* 地图优化 */
    .map-box {
        padding: 15px !important;
    }
    
    .map-placeholder {
        height: 200px !important;
    }
    
    /* 未来愿景动画元素 */
    .weilai {
        height: auto !important;
        margin-top: 50px !important;
        background-size: cover;
    }
    
    .weilai p {
        height: auto !important;
        width: 100% !important;
        position: relative !important;
        overflow: visible !important;
    }
    
    .weilai .c1,
    .weilai .c2,
    .weilai .c3,
    .weilai .c4 {
        position: relative !important;
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        margin: 10px 0;
        background-size: contain !important;
        background-repeat: no-repeat !important;
    }
    
    /* 分页优化 */
    #pages {
        padding: 15px 10px;
    }
    
    #pages a, #pages span {
        padding: 6px 10px;
        margin: 0 3px;
        font-size: 13px;
    }
    
    /* 表格优化 */
    table {
        width: auto;
        font-size: 12px;
    }
    
    /* 按钮和链接优化 */
    a, button, input[type="submit"], input[type="button"] {
        min-height: 44px;
        touch-action: manipulation;
    }
    
    /* 隐藏不必要的元素 */
    .index_advange {
        padding: 15px 0 !important;
    }
    
    .index_advange img {
        max-width: 100%;
        height: auto;
    }
    
    .index_case {
        padding: 20px 0 !important;
    }
    
    .index_liucheng {
        padding: 15px 0 !important;
    }
    
    /* 服务卡片 */
    .services-section {
        padding: 0 15px;
    }
    
    .services-container {
        width: 100%;
    }
    
    .section-title h2 {
        font-size: 20px !important;
    }
    
    .section-title p {
        font-size: 12px !important;
    }
    
    .services-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .service-card {
        padding: 15px 10px !important;
    }
    
    .service-icon {
        font-size: 30px !important;
    }
    
    .service-card h3 {
        font-size: 14px !important;
        margin: 8px 0;
    }
    
    .service-card p {
        font-size: 12px !important;
        line-height: 1.4;
    }
    
    /* 证书查询区域 */
    div[style*="background: #f08300"] {
        padding: 20px 15px !important;
        margin: 20px 0 !important;
    }
    
    div[style*="background: #f08300"] h2 {
        font-size: 18px !important;
    }
    
    div[style*="background: #f08300"] p {
        font-size: 13px !important;
    }
    
    /* 案例导航按钮 */
    .case-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .case-nav button {
        padding: 8px 16px !important;
        font-size: 13px !important;
    }
    
    /* 案例网格 */
    .case-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px;
    }
    
    .case-img {
        height: 120px !important;
    }
    
    .case-info h4 {
        font-size: 14px !important;
    }
    
    .case-info .service {
        font-size: 12px !important;
    }
    
    .case-info .time {
        font-size: 11px !important;
    }
    
    /* 服务卡片 */
    .service-card {
        padding: 15px !important;
        margin: 10px 0 !important;
    }
    
    .service-card h4 {
        font-size: 16px !important;
    }
    
    .service-card ul {
        padding-left: 15px;
    }
    
    .service-card li {
        font-size: 13px !important;
    }
    
    /* 流程步骤 */
    .process-steps {
        flex-wrap: wrap;
    }
    
    .step {
        min-width: 80px !important;
        padding: 10px 5px !important;
    }
    
    .step:not(:last-child):after {
        display: none;
    }
    
    /* 评价区块 */
    .testimonial-box {
        padding: 20px 15px !important;
    }
    
    .testimonial-item {
        padding: 15px !important;
    }
    
    .testimonial-author {
        font-size: 13px !important;
    }
    
    /* 价值区块 */
    .value-box {
        padding: 20px 15px !important;
    }
    
    .value-box p {
        font-size: 14px !important;
    }
    
    .value-box .highlight {
        font-size: 16px !important;
    }
    
    /* 内容区块标题 */
    .about-text h3 {
        font-size: 16px !important;
        margin: 20px 0 12px;
        padding-left: 10px;
    }
    
    /* 介绍区块 */
    .intro-box {
        padding: 15px !important;
        margin: 15px 0;
    }
    
    .intro-box p {
        font-size: 14px !important;
    }
    
    /* 侧边栏分类 */
    #left {
        width: 100% !important;
        float: none !important;
        margin: 0 0 20px 0 !important;
    }
    
    #right {
        width: 100% !important;
        float: none !important;
        margin: 0 !important;
    }
    
    .category_ul li {
        padding: 8px 0;
    }
    
    .category_ul li a {
        font-size: 14px !important;
    }
    
    /* 内页图片 */
    .current_content img {
        max-width: 100% !important;
        height: auto;
    }
    
    /* 友情链接 */
    .friendlink {
        padding: 15px 0 !important;
        text-align: center;
    }
    
    .friendlink label {
        display: block;
        line-height: 1.5 !important;
        margin-bottom: 10px;
    }
    
    .friendlink img {
        max-width: 100%;
        height: auto;
        margin: 5px;
    }
    
    .flink {
        padding: 15px 0 !important;
    }
    
    .flink a {
        margin: 5px;
        padding: 3px;
    }
    
    .flink a img {
        height: 35px !important;
    }
    
    /* 版权信息 */
    .copyright p {
        width: 100% !important;
        padding: 15px !important;
        text-align: center;
        line-height: 1.8;
    }
    
    .copyright p span {
        float: none;
        display: block;
    }
    
    /* 动画类禁用（移动端优化性能） */
    .a_down, .a_left, .a_right, .a_left10,
    .h1_img, .index_service_ul li, .tade_ul li,
    .cimgs img, .fmenu, .form_right {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* 小屏幕进一步优化 */
@media screen and (max-width: 480px) {
    body {
        font-size: 13px;
    }

    /* 顶部导航优化 */
    #top {
        height: 55px !important;
    }
    
    #header {
        height: 55px !important;
    }
    
    body {
        padding-top: 55px !important;
    }
    
    /* 菜单定位 */
    #menu {
        top: 55px !important;
    }
    
    .mobile-menu-content {
        top: 55px !important;
    }
    
    /* Logo 更小 */
    a.logo img {
        max-width: 100px;
        max-height: 40px;
    }
    
    /* 菜单按钮更小 */
    .mobile-menu-btn {
        width: 40px !important;
        height: 40px !important;
    }
    
    .mobile-menu-btn span {
        width: 18px !important;
        height: 2px !important;
    }
    
    /* 菜单内容 */
    .mobile-menu-content {
        width: 85% !important;
    }
    
    .mobile-menu-header {
        padding: 20px 15px !important;
        min-height: 70px !important;
    }
    
    .mobile-menu-header h3 {
        font-size: 18px !important;
    }
    
    .mobile-menu-header p {
        font-size: 12px !important;
        margin-top: 6px !important;
    }
    
    ul.dropdown li a {
        padding: 14px 18px !important;
        font-size: 14px !important;
    }
    
    ul.dropdown li.hasNav > a .submenu-toggle {
        width: 22px !important;
        height: 22px !important;
        line-height: 20px !important;
        font-size: 16px !important;
    }
    
    ul.dropdown ul li a {
        padding: 12px 18px 12px 45px !important;
        font-size: 13px !important;
    }
    
    ul.dropdown ul li a::before {
        left: 25px !important;
        font-size: 10px !important;
    }

    /* Banner 更小 */
    #banner {
        height: 220px !important;
    }

    .swiper-container,
    .swiper-wrapper,
    .swiper-slide {
        height: 220px !important;
    }

    /* 覆盖内联样式的 550px 高度 */
    .swiper-slide a[style*="height:550px"],
    .swiper-slide a {
        height: 220px !important;
        width: 100% !important;
    }

    /* 服务列表单列 */
    .index_service_ul li {
        width: 100% !important;
    }

    /* 服务索引单列 */
    .service_index li {
        width: 100% !important;
    }

    /* 统计数据单列 */
    .stats-box {
        grid-template-columns: 1fr !important;
    }

    /* 服务卡片单列 */
    .services-grid {
        grid-template-columns: 1fr !important;
    }
    
    .service-card {
        padding: 20px !important;
    }
    
    .service-icon {
        font-size: 35px !important;
    }
    
    /* 服务图标列表 - 小屏幕每行 2 个 */
    .index_service_ul li {
        width: calc(50% - 10px) !important;
    }
    
    /* 通知区域 */
    .notice-title {
        font-size: 13px !important;
    }

    /* 案例网格单列 */
    .case-grid {
        grid-template-columns: 1fr !important;
    }

    /* 特性列表 */
    .feature-list li {
        padding: 10px;
    }

    /* 联系信息 */
    .contact-info, .contact-form {
        padding: 15px 12px !important;
    }

    /* 页脚链接 */
    .fmenu p a {
        font-size: 12px !important;
    }
    
    /* 标题更小 */
    .about-title h2 {
        font-size: 18px !important;
    }

    .section-title h2 {
        font-size: 18px !important;
    }
    
    /* 新闻列表项优化 */
    .news-item {
        flex-direction: column !important;
        padding: 15px !important;
    }
    
    .news-item .img {
        width: 100% !important;
        height: 160px !important;
    }
    
    .news-item .date {
        font-size: 11px !important;
        padding: 4px 10px !important;
    }
    
    .news-item h4 {
        font-size: 15px !important;
    }
    
    .news-item p {
        font-size: 13px !important;
    }
    
    /* 分页优化 */
    .pagination span,
    .pagination a {
        padding: 6px 12px !important;
        font-size: 12px !important;
        margin: 2px !important;
    }
    
    /* 位置导航 */
    .location-box {
        font-size: 12px !important;
    }
    
    /* 侧边导航 */
    .about-nav li a {
        padding: 12px 15px !important;
        font-size: 14px !important;
    }
    
    /* 证书查询表单 */
    .query-form input,
    .query-form select,
    .query-form button {
        width: 100% !important;
        margin-bottom: 10px;
        padding: 12px !important;
        font-size: 14px !important;
    }
    
    /* 内页通用 */
    .about-banner {
        height: 150px !important;
        background-size: cover !important;
    }
    
    /* 新闻详情页优化 */
    .news-detail-title h1 {
        font-size: 18px !important;
        line-height: 1.4 !important;
    }
    
    .news-detail-meta {
        font-size: 12px !important;
    }
    
    .news-detail-meta span {
        margin: 0 8px;
    }
    
    .news-detail-content {
        font-size: 14px !important;
        line-height: 1.8 !important;
        padding: 0 10px;
    }
    
    .news-detail-content p {
        margin: 15px 0 !important;
        text-indent: 0 !important;
    }
    
    .news-detail-content h3 {
        font-size: 16px !important;
        margin: 20px 0 10px !important;
        padding-left: 10px;
    }
    
    .news-detail-content ul {
        padding-left: 20px;
    }
    
    .news-detail-content li {
        font-size: 14px !important;
    }
    
    .news-detail-image img {
        max-width: 100%;
        height: auto;
    }
    
    .news-back a {
        font-size: 13px !important;
        padding: 10px 0;
        display: inline-block;
    }
    
    .related-news {
        padding: 15px !important;
        margin-top: 20px !important;
    }
    
    .related-news h4 {
        font-size: 14px !important;
    }
    
    .related-news li a {
        font-size: 13px !important;
    }
    
    /* 页脚信息优化 */
    .footer-info {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center;
        gap: 15px !important;
        padding: 15px 0 !important;
    }
    
    .footer-qr {
        width: 100px !important;
        height: 100px !important;
    }
    
    .footer-content {
        text-align: center !important;
    }
    
    .site_name strong {
        font-size: 14px !important;
    }
    
    .site_name span {
        font-size: 12px !important;
    }
    
    .contact_info {
        gap: 5px !important;
    }
    
    .contact_info font {
        font-size: 13px !important;
    }
    
    /* 证书查询页面优化 */
    .query-page-wrapper {
        width: 100% !important;
        padding: 15px !important;
    }
    
    .search-card {
        padding: 20px 15px !important;
    }
    
    .search-card h1 {
        font-size: 18px !important;
    }
    
    .search-card .subtitle {
        font-size: 12px !important;
    }
    
    .search-box {
        flex-direction: column !important;
        gap: 10px;
    }
    
    .search-input {
        width: 100% !important;
        padding: 12px !important;
        font-size: 14px !important;
    }
    
    .search-btn {
        width: 100% !important;
        padding: 12px !important;
        font-size: 15px !important;
    }
    
    .search-tips {
        font-size: 11px !important;
    }
    
    .results-card {
        padding: 15px !important;
    }
    
    .results-header {
        flex-direction: column !important;
        gap: 10px;
        align-items: flex-start !important;
    }
    
    .results-title {
        font-size: 14px !important;
    }
    
    .results-count {
        font-size: 11px !important;
        padding: 3px 10px !important;
    }
    
    .result-actions {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .result-actions .action-btn {
        flex: 1;
        min-width: calc(50% - 4px);
        text-align: center;
        padding: 10px !important;
        font-size: 12px !important;
    }
    
    /* 证书查询表格 - 横向滚动 */
    .result-table {
        font-size: 13px !important;
        display: table !important;
        width: auto !important;
        min-width: 650px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        table-layout: auto !important;
    }

    .result-table thead,
    .result-table tbody,
    .result-table tr {
        display: table-row !important;
        width: 100%;
    }

    .result-table th,
    .result-table td {
        display: table-cell !important;
        width: auto !important;
        font-size: 13px !important;
        padding: 12px 10px !important;
        white-space: nowrap !important;
        text-align: left;
    }

    .result-table th {
        font-size: 14px !important;
        font-weight: bold;
    }
    
    .empty-state {
        padding: 30px 15px !important;
    }
    
    .empty-state .icon {
        font-size: 40px !important;
    }
    
    .empty-state p {
        font-size: 13px !important;
    }
    
    /* 内审员证书列表 */
    .cert-list {
        padding: 0 10px;
    }
    
    .cert-item {
        padding: 12px !important;
        margin-bottom: 10px;
    }
    
    .cert-item h4 {
        font-size: 14px !important;
    }
    
    .cert-item p {
        font-size: 12px !important;
    }
}

/* 打印样式 */
@media print {
    #top, #nav, #footer, .friendlink, .mobile-menu-btn {
        display: none !important;
    }
}