/* ==========================================
   山西有闲田科技有限责任公司官网 - 响应式样式
   版本：1.0.0
   创建日期：2025-02-03
   ========================================== */

/* ==================== 平板端 (768-1199px) ==================== */
@media screen and (max-width: 1199px) {
    /* 字体调整 */
    body {
        font-size: 15px;
    }
    
    /* Banner高度 */
    .banner {
        height: 650px;
    }
    
    .banner-title {
        font-size: 36px;
    }
    
    .banner-subtitle {
        font-size: 20px;
    }
    
    .banner-slogan {
        font-size: 16px;
    }
    
    .banner-btn {
        padding: 14px 50px;
        font-size: 16px;
    }
    
    /* 标题调整 */
    .section-title,
    .section-title-center {
        font-size: 24px;
    }
    
    .card-title,
    .advantage-title,
    .member-name {
        font-size: 18px;
    }
    
    /* 导航栏 */
    .navbar {
        height: 80px;
    }
    
    .nav-center .nav-menu {
        gap: 25px;
    }
    
    .nav-center .nav-menu .nav-link {
        font-size: 14px;
    }
    
    /* 公司简介 */
    .company-intro,
    .core-business,
    .solutions,
    .service-process,
    .case-studies,
    .brand-advantages,
    .qualifications,
    .team-intro,
    .partners,
    .media-news,
    .csr,
    .contact-us {
        padding: 80px 0;
    }
    
    /* 核心业务 - 2列布局 */
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .business-card {
        padding: 25px 15px;
    }
    
    .card-icon i {
        font-size: 42px;
    }
    
    /* 品牌优势 - 2列布局 */
    .advantages-grid {
        gap: 30px;
    }
    
    .advantage-item {
        padding: 25px;
    }
    
    /* 团队介绍 - 2列布局 */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    /* 解决方案 - 2列布局 */
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* 服务流程 */
    .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 典型案例 */
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 合作伙伴 */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    /* 媒体报道 */
    .media-list {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 社会责任 */
    .csr-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 资质合规 */
    .license-display-img {
        height: 350px;
    }
    
    /* 联系我们 */
    .contact-content {
        gap: 40px;
    }
}

/* ==================== 移动端 (≤767px) ==================== */
@media screen and (max-width: 767px) {
    /* 基础调整 */
    body {
        font-size: 14px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* 导航栏 */
    .navbar {
        height: 70px;
    }
    
    .nav-center .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--primary-blue);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 40px;
        gap: 0;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-center .nav-menu.active {
        left: 0;
    }
    
    .nav-center .nav-menu li {
        width: 100%;
    }
    
    .nav-center .nav-menu .nav-link {
        display: block;
        padding: 20px 30px;
        font-size: 16px;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-center .nav-menu .nav-link::after {
        display: none;
    }
    
    .nav-right .hamburger {
        display: flex;
    }
    
    .nav-right .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .nav-right .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-right .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }

    /* 移动端下拉菜单改为内嵌展示 */
    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: rgba(0, 0, 0, 0.08);
        border: none;
        box-shadow: none;
        padding: 0;
    }

    .nav-dropdown .dropdown-link {
        padding: 14px 30px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 15px;
    }
    
    /* Banner */
    .banner {
        height: 450px;
    }
    
    .banner-title {
        font-size: 28px;
        letter-spacing: 1px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .banner-slogan {
        font-size: 14px;
        margin-bottom: 30px;
    }
    
    .banner-btn {
        padding: 12px 40px;
        font-size: 16px;
    }
    
    /* 各模块通用调整 */
    .company-intro,
    .core-business,
    .solutions,
    .service-process,
    .case-studies,
    .brand-advantages,
    .qualifications,
    .team-intro,
    .partners,
    .media-news,
    .csr,
    .contact-us {
        padding: 60px 0;
    }
    
    /* 标题 */
    .section-title,
    .section-title-center {
        font-size: 22px;
    }
    
    .title-line {
        width: 50px;
        height: 2px;
    }
    
    /* 公司简介 - 上下排列 */
    .intro-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .intro-left,
    .intro-right {
        flex: 1;
    }
    
    .intro-text p {
        font-size: 14px;
    }
    
    .intro-img {
        height: 250px;
    }
    
    .license-img {
        height: 180px;
    }
    
    .intro-tags {
        gap: 15px;
    }
    
    .intro-tags .tag {
        padding: 8px 15px;
        font-size: 13px;
    }
    
    /* 核心业务 - 单列布局 */
    .business-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .business-card {
        padding: 25px 20px;
    }
    
    .card-icon i {
        font-size: 40px;
    }
    
    .card-title {
        font-size: 18px;
    }
    
    .card-desc {
        font-size: 14px;
    }
    
    /* 品牌优势 - 单列布局 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 解决方案 - 单列布局 */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 服务流程 - 单列布局 */
    .process-steps {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* 典型案例 - 单列布局 */
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-item {
        padding: 20px;
        flex-direction: column;
        text-align: center;
    }
    
    .advantage-icon {
        margin: 0 auto 15px;
        width: 60px;
        height: 60px;
    }
    
    .advantage-title {
        font-size: 18px;
    }
    
    .advantage-desc {
        font-size: 14px;
    }
    
    /* 资质合规 - 上下排列 */
    .qualifications-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .qual-left,
    .qual-right {
        flex: 1;
    }
    
    .license-display-img {
        height: 400px;
    }
    
    /* 团队介绍 - 单列布局 */
    .team-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* 合作伙伴 - 单列布局 */
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .partners-header {
        gap: 20px;
    }

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

    .partner-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    /* 网站地图 */
    .sitemap-grid {
        grid-template-columns: 1fr;
    }

    /* 媒体报道 - 单列布局 */
    .media-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* 社会责任 - 单列布局 */
    .csr-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .team-card {
        padding: 25px 20px;
    }
    
    .member-name {
        font-size: 18px;
    }
    
    /* 联系我们 - 上下排列 */
    .contact-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .contact-left,
    .contact-right {
        flex: 1;
    }
    
    .contact-item {
        gap: 15px;
    }
    
    .contact-icon {
        width: 45px;
        height: 45px;
    }
    
    .contact-icon i {
        font-size: 20px;
    }
    
    .contact-text h4 {
        font-size: 15px;
    }
    
    .contact-text p {
        font-size: 14px;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .form-title {
        font-size: 18px;
        margin-bottom: 25px;
    }
    
    .form-input,
    .form-textarea {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    .form-submit {
        padding: 12px 0;
        font-size: 16px;
        min-height: 44px;
    }
    
    /* 页脚 */
    .site-footer {
        padding: 60px 0 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-left,
    .footer-center,
    .footer-right {
        flex: 1;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-slogan {
        font-size: 16px;
    }
    
    .footer-name {
        font-size: 15px;
    }
    
    .footer-icp {
        font-size: 13px;
    }
    
    .footer-notice {
        font-size: 13px;
    }
    
    .footer-copyright {
        font-size: 13px;
    }
    
    .footer-links {
        padding-top: 20px;
    }
    
    .footer-links a {
        font-size: 13px;
    }
    
    /* 回到顶部按钮 */
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 18px;
    }
    
    /* 成功提示 */
    .success-message {
        padding: 25px 40px;
        font-size: 16px;
    }
    
    .success-message i {
        font-size: 20px;
    }
}

/* ==================== 小屏手机 (≤480px) ==================== */
@media screen and (max-width: 480px) {
    /* Banner */
    .banner {
        height: 400px;
    }
    
    .banner-title {
        font-size: 24px;
        padding: 0 10px;
    }
    
    .banner-subtitle {
        font-size: 14px;
        padding: 0 10px;
    }
    
    .banner-slogan {
        font-size: 13px;
        padding: 0 10px;
    }
    
    .banner-btn {
        padding: 10px 30px;
        font-size: 15px;
    }
    
    /* 标题 */
    .section-title,
    .section-title-center {
        font-size: 20px;
    }
    
    /* 公司简介 */
    .intro-text p {
        font-size: 13px;
    }
    
    .intro-img {
        height: 200px;
    }
    
    .license-img {
        height: 150px;
    }
    
    /* 核心业务 */
    .business-card {
        padding: 20px 15px;
    }
    
    .card-icon i {
        font-size: 36px;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .card-desc {
        font-size: 13px;
    }
    
    /* 资质合规 */
    .license-display-img {
        height: 350px;
    }
    
    .compliance-card {
        padding: 20px;
    }
    
    .compliance-title {
        font-size: 18px;
    }
    
    /* 联系表单 */
    .contact-form {
        padding: 20px 15px;
    }
    
    .form-title {
        font-size: 16px;
    }
    
    /* 团队卡片 */
    .avatar-img {
        width: 100px;
        height: 100px;
    }
    
    .member-name {
        font-size: 16px;
    }
    
    .member-position {
        font-size: 13px;
    }
    
    .member-duty {
        font-size: 13px;
    }
}

/* ==================== 大屏 (≥1400px) ==================== */
@media screen and (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .banner-title {
        font-size: 48px;
    }
    
    .banner-subtitle {
        font-size: 26px;
    }
    
    .banner-slogan {
        font-size: 20px;
    }
    
    .section-title,
    .section-title-center {
        font-size: 32px;
    }
    
    .business-card,
    .team-card {
        padding: 40px 25px;
    }
    
    .advantage-item {
        padding: 35px;
    }
}

/* ==================== 打印样式 ==================== */
@media print {
    .navbar,
    .banner,
    .contact-us,
    .back-to-top {
        display: none !important;
    }
    
    body {
        font-size: 12px;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .company-intro,
    .core-business,
    .solutions,
    .service-process,
    .case-studies,
    .brand-advantages,
    .qualifications,
    .team-intro,
    .partners,
    .media-news,
    .csr {
        padding: 30px 0;
        page-break-inside: avoid;
    }
    
    .business-grid,
    .team-grid,
    .advantages-grid,
    .solutions-grid,
    .process-steps,
    .cases-grid,
    .partners-grid,
    .media-list,
    .csr-grid {
        page-break-inside: avoid;
    }
    
    .site-footer {
        background-color: #f8f9fa;
        color: #333;
    }
}