/* ========================================
   响应式布局样式
   ======================================== */

/* 平板设备 (1024px - 1600px) */
@media screen and (max-width: 1600px) {
    .width {
        width: 1200px;
    }

    .top-md {
        width: 1200px;
    }

    .footer-main {
        max-width: 900px;
    }

    .ny-menu-2 {
        width: 1100px;
    }
}

/* 小屏平板 (768px - 1024px) */
@media screen and (max-width: 1024px) {
    .width {
        width: 95%;
        padding: 0 20px;
    }

    .top-md {
        width: 100%;
        padding: 0 20px;
    }

    /* 导航栏调整 */
    .nav-bg .mobile_nav>ul>li a {
        padding: 0 15px;
        font-size: 14px;
    }

    .top-tel p {
        font-size: 20px;
    }

    /* 页脚调整 */
    .footer-main {
        max-width: 100%;
        flex-wrap: wrap;
        gap: 30px;
    }

    .footer-list {
        order: 3;
        width: 100%;
    }

    .footer-icp {
        order: 4;
        width: 100%;
        margin-left: 0;
        text-align: center;
    }

    .ny-menu-2 {
        width: 100%;
        flex-wrap: wrap;
        gap: 15px;
    }

    .ny-menu-2 p {
        font-size: 14px;
    }
}

/* 手机设备 (最大 768px) */
@media screen and (max-width: 768px) {
    .width {
        width: 100%;
        padding: 0 15px;
    }

    /* 顶部导航 */
    .top-md {
        width: 100%;
        padding: 10px 15px;
        flex-direction: column;
        align-items: flex-start;
    }

    .logo {
        margin: 10px 0;
    }

    .logo img {
        width: 150px;
    }

    .nav-bg {
        width: 100%;
        margin-left: 0;
        margin-top: 10px;
    }

    .nav-bg .mobile_nav>ul {
        flex-direction: column;
        width: 100%;
    }

    .nav-bg .mobile_nav>ul>li {
        width: 100%;
        text-align: left;
    }

    .nav-bg .mobile_nav>ul>li a {
        padding: 10px 15px;
        display: block;
    }

    .top-tel {
        margin-top: 10px;
    }

    .top-tel p {
        font-size: 18px;
    }

    /* Banner */
    .slide_container {
        margin-top: 0;
    }

    /* 页脚顶部 */
    .footer-top .width {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px;
    }

    .footer-tnum {
        width: 100%;
        margin-bottom: 15px;
    }

    .footer-tnum ul {
        flex-direction: column;
    }

    .footer-tnum ul li {
        margin-right: 0;
        margin-bottom: 10px;
    }

    .footer-tel {
        margin-left: 0;
    }

    /* 页脚底部 */
    .footer-bg .width {
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 15px;
    }

    .footer-main {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .footer-logo {
        margin-bottom: 20px;
    }

    .footer-logo img {
        width: 150px;
    }

    .footer-list {
        width: 100%;
    }

    .footer-ewm {
        flex-direction: row;
        gap: 20px;
    }

    .footer-ewm img {
        width: 80px;
        height: 80px;
    }

    .footer-icp {
        width: 100%;
        margin-left: 0;
        margin-top: 20px;
        text-align: center;
    }

    /* 首页内容 */
    .ny-menu-2 {
        flex-direction: column;
        gap: 10px;
        padding: 20px 15px;
    }

    .ny-menu-2 p {
        font-size: 16px;
        text-align: center;
    }

    /* 产品列表 */
    #ShowImages {
        flex-direction: column;
    }

    #ShowImages .item {
        flex: 0 0 100%;
        margin-bottom: 20px;
    }

    #ShowImages .images_img a {
        height: 250px;
    }

    /* 新闻列表 */
    ul.newsList li {
        width: 100%;
        margin-bottom: 20px;
    }

    /* 留言表单 */
    .message-box {
        flex-direction: column;
        padding: 30px 15px;
    }

    .contact-form,
    .company-info {
        width: 100%;
    }

    .contact-form {
        margin-bottom: 30px;
    }

    .form-row {
        flex-direction: column;
    }

    .form-group {
        width: 100%;
        margin-bottom: 15px;
    }

    .qr-codes {
        margin-top: 30px;
    }

    .qr-item {
        margin-right: 30px;
    }

    .qr-item img {
        width: 90px;
        height: 90px;
    }
}

/* 小手机设备 (最大 480px) */
@media screen and (max-width: 480px) {
    .logo img {
        width: 120px;
    }

    .top-tel p {
        font-size: 16px;
    }

    .top-tel img {
        width: 20px;
    }

    .footer-logo img {
        width: 120px;
    }

    .footer-list ul li {
        font-size: 12px;
        line-height: 22px;
    }

    .footer-ewm {
        flex-direction: column;
        gap: 15px;
    }

    .footer-ewm img {
        width: 100px;
        height: 100px;
    }

    .footer-icp {
        font-size: 12px;
    }

    .ny-menu-2 p {
        font-size: 14px;
    }

    #ShowImages .images_img a {
        height: 200px;
    }

    .qr-item {
        margin-right: 20px;
    }

    .qr-item img {
        width: 80px;
        height: 80px;
    }

    .qr-item p {
        font-size: 11px;
    }
}