/* 响应式设计样式 v2.4.0 */

/* 基础布局：默认1列（适用于所有设备） */
@media (max-width: 1000px) {
    .news-cards,
    .team-cards,
    .projects,
    .process {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .appointment-container {
        flex-direction: column;
        gap: var(--spacing-xl);
        margin: var(--spacing-xl) auto;
        padding: 0 var(--spacing-sm);
        max-width: calc(100vw - 2 * var(--spacing-sm));
        width: 100%;
        box-sizing: border-box;
    }
    
    .appointment-benefits,
    .appointment-form {
        padding: var(--spacing-lg) var(--spacing-md);
        width: 100%;
        max-width: 320px;
        box-sizing: border-box;
        margin: 0 auto;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        max-width: 100%;
    }
    
    .submit-btn {
        width: 100%;
        max-width: 100%;
    }
    
    /* 移动端基础样式 */
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        margin-bottom: var(--spacing-xl);
    }
    
    .section-title h2 {
        margin-bottom: var(--spacing-sm);
        font-size: 1.75rem;
    }
    
    .section-title p {
        margin: var(--spacing-md) auto 0;
        font-size: 0.95rem;
    }
    
    /* 容器移动端优化 */
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* 英雄区域移动端优化 */
    .hero {
        padding: 60px 0 60px;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        gap: 2rem;
        width: 100%;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-description {
        font-size: 0.8rem;
        margin-bottom: 2rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
        white-space: normal;
    }
    
    .hero-actions {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 1rem;
        flex-wrap: wrap;
        width: 100%;
        margin: 0 auto;
    }
    
    .primary-btn,
    .secondary-btn {
        padding: 0.8rem 2rem;
        font-size: 0.85rem;
        max-width: 200px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    .hero-stats {
        flex-direction: row;
        justify-content: space-around;
        gap: 1rem;
        flex-wrap: wrap;
        max-width: 100%;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
        flex: 1;
        min-width: 0;
        max-width: 120px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    /* 导航栏移动端样式 */
    .desktop-only {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: flex !important;
    }
    
    .nav-controls {
        gap: 10px;
    }
    
    .theme-toggle-btn {
        width: 32px;
        height: 32px;
    }
    
    /* 移动端导航菜单响应式优化 - 屏幕右上方位置 */
    .mobile-nav {
        top: 80px;                    /* 屏幕右上方位置 */
        right: 20px;                  /* 距离屏幕右边缘20px */
        left: auto;
        width: 140px;                 /* 缩小宽度 */
        max-width: none;              /* 移除最大宽度限制 */
        border-radius: 6px;           /* 适合移动端的圆角 */
    }
    
    /* 联系信息移动端样式 */
    .contact-info {
        flex-direction: column;
        gap: 6px;
    }
    
    .social-contact {
        gap: var(--spacing-xl);
    }
    

    
    /* 客服按钮移动端适配 */
    .service-button {
        width: 50px;
        height: 50px;
        font-size: 1.1rem !important;
        right: var(--spacing-md);
    }

    .service-button:hover .service-button-icon {
        color: #f0f8ff;
        text-shadow: 0 0 8px rgba(240, 248, 255, 0.6);
        transform: none !important;
    }
    
    /* 移动端苹果风格下的浮动按钮图标hover效果 */
    .theme-apple .service-button:hover .service-button-icon {
        color: #f8f9fa;
        text-shadow: 0 0 6px rgba(248, 249, 250, 0.5);
    }

    
    .customer-service-card {
        right: 80px;
        top: calc(83.33% - 220px);
        min-width: 180px;
        padding: var(--spacing-lg);
    }
    
    /* 新闻详情模态框移动端全屏优化 */
    .news-detail-content {
        margin: 0;
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        border-radius: 0;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 2000;
    }
    
    .news-detail-header {
        border-radius: 0;
        padding: 20px;
    }
    
    .news-detail-body {
        padding: 20px;
        height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .news-detail-close {
        /* 使用与 .close 相同的样式，无需额外调整 */
    }
    
    .news-detail-item {
        margin-bottom: 20px;
        padding: 15px;
    }
    
    /* 移动端CTA区域底部留白 */
    .cta {
        padding-bottom: 50px;
    }
    
    /* 模态框移动端优化 */
    .modal-content {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin: auto;
        padding: var(--spacing-lg);
        max-width: 350px;
        border-radius: var(--border-radius-lg);
    }
}

/* 平板竖屏: 481px-768px */
@media (min-width: 481px) and (max-width: 1000px) {
    /* 英雄区域平板优化 */
    .hero {
        padding: 50px 0 50px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        gap: 2.5rem;
        width: 100%;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-description {
        font-size: 0.8rem;
        margin-bottom: 2rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
        white-space: normal;
    }
    
    .hero-stats {
        flex-direction: row;
        justify-content: center;
        gap: 1.5rem;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .stat-item {
        padding: 1.5rem 1.5rem;
        min-width: 0;
        flex: 1;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title h2 {
        margin-bottom: var(--spacing-sm);
        font-size: 1.75rem;
    }
    
    .section-title p {
        margin: var(--spacing-md) auto 0;
        font-size: 0.95rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* 桌面端：1001px以上 - 2列布局 */
@media (min-width: 1001px) {
    .news-cards,
    .team-cards,
    .projects,
    .process {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
    
    .appointment-container {
        display: flex !important;
        flex-direction: row !important;
        gap: 40px !important;
        align-items: flex-start !important;
        justify-content: center !important;
        max-width: 1200px !important;
    }
    
    .appointment-benefits,
    .appointment-form {
        flex: 1;
        max-width: 390px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 90%;
        max-width: 350px;
    }
    
    .submit-btn {
        width: 90%;
        max-width: 350px;
    }
    
    /* 桌面端：隐藏汉堡菜单和移动端导航 */
    .mobile-menu-btn {
        display: none !important;
    }
    
    .mobile-nav {
        display: none !important;
    }
    
    /* 桌面端：英雄区域居中优化 */
    .hero {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 70px 0 80px;
    }
    
    .hero-content {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        max-width: 1200px;
        width: 100%;
    }
    
    .hero-actions {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        flex-wrap: wrap;
        width: 100%;
        margin: 0 auto;
    }
    
    .primary-btn,
    .secondary-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    /* 弹窗卡片位置与移动端保持一致 */
    .customer-service-card {
        right: 80px !important;
        top: calc(83.33% - 220px) !important;
        min-width: 180px !important;
        padding: var(--spacing-lg) !important;
    }
    
    /* 桌面端：导航栏布局 */
    .navbar {
        position: relative !important;
        display: flex !important;
        align-items: center !important;
        padding: var(--spacing-lg) 0 !important;
        justify-content: flex-start !important; /* 覆盖基础CSS的 space-between */
    }
    
    .navbar .container {
        display: flex !important;
        align-items: center !important;
        position: relative !important;
        width: 100% !important;
        justify-content: flex-start !important;
    }
    
    .navbar .logo {
        position: absolute !important;
        left: 0 !important;
        z-index: 10 !important;
        flex-shrink: 0 !important;
    }
    
    .nav-content {
        flex: 1 !important;
        display: flex !important;
        justify-content: flex-end !important;
        align-items: center !important;
        margin-right: 120px !important; /* 为 nav-controls 预留空间 */
    }
    
    .navbar .nav-controls {
        position: absolute !important;
        right: 0 !important;
        z-index: 10 !important;
        flex-shrink: 0 !important;
    }
    
    .nav-links {
        display: flex !important;
        list-style: none;
        gap: 30px;
        margin: 0;
        padding: 0;
        align-items: center;
    }
    
    .nav-links a {
        color: var(--secondary);
        text-decoration: none;
        font-weight: 500;
        font-size: 1.1rem;
        transition: var(--transition-normal);
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--border-radius-md);
        white-space: nowrap;
    }
    
    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-2px);
    }
}

/* 超小屏幕优化: 360px以下 */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* 英雄区域超小屏幕优化 */
    .hero {
        padding: 50px 0 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.4;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-description {
        font-size: 0.8rem;
        margin-bottom: 1.5rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-word;
        white-space: normal;
    }
    
    .hero-actions {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: row; /* 平板端使用水平布局 */
        gap: 1rem;
        width: 100%;
        margin: 0 auto;
    }
    
    .primary-btn,
    .secondary-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        max-width: 200px;
    }
    
    .primary-btn,
    .secondary-btn {
        width: 100%;
        max-width: 280px;
        padding: 0.8rem 1.5rem;
        font-size: 0.85rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }
    
    /* 超小屏幕下移动端导航进一步优化 - 屏幕右上方位置 */
    .mobile-nav {
        top: 70px;                    /* 超小屏幕下位置调整 */
        right: 15px;                  /* 距离屏幕右边缘15px */
        left: auto;
        width: 120px;                 /* 超小屏幕宽度 */
        max-width: none;              /* 移除最大宽度限制 */
        border-radius: 4px;           /* 更小的圆角 */
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .stat-item {
        padding: 1.2rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
}

/* 联系我们模块内版权声明卡片移动端适配 */
@media (max-width: 768px) {
    .copyright-card {
        margin: 30px auto 20px auto;
        padding: 20px 15px;
        border-radius: 10px;
    }
    
    .brand-slogan {
        font-size: 0.99rem;
    }
    
    .copyright-info {
        font-size: 0.7rem;
        color: #444;
    }
    
    .contact-row {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .contact-text {
        font-size: 0.7rem;
        white-space: normal;
    }
    
    .contact-text i {
        margin-right: 4px;
        font-size: 0.8rem;
    }
    
    .version-text {
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .copyright-card {
        margin: 25px auto 15px auto;
        padding: 18px 12px;
        border-radius: 8px;
    }
    
    .brand-slogan {
        font-size: 0.935rem;
    }
    
    .copyright-info {
        font-size: 0.7rem;
    }
    
    .contact-text {
        font-size: 0.65rem;
    }
    
    .contact-text i {
        font-size: 0.75rem;
    }
    
    .version-text {
        font-size: 0.6rem;
    }
}