/* ==================== 移动端专属优化样式 ==================== */

.nav-menu.active {
    transform: translateX(0) !important;
    opacity: 1 !important;
    display: flex !important;
}

/* ==================== 平板和手机基础优化 (最大宽度 1024px) ==================== */
@media (max-width: 1024px) {
    /* 优化网格布局为更合理的列数 */
    .quick-guide,
    .advantages-grid,
    .stats-row,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .tech-circle {
        width: 280px;
        height: 280px;
    }
    
    /* 在1024px以下也显示汉堡菜单按钮 */
    .mobile-toggle {
        display: block !important;
        background: none !important;
        border: none !important;
        cursor: pointer !important;
        padding: 0.75rem !important;
        min-width: 48px !important;
        min-height: 48px !important;
        z-index: 999999999 !important;
        position: relative !important;
    }
    
    .mobile-toggle span {
        display: block !important;
        width: 26px !important;
        height: 3px !important;
        background: var(--tech-blue) !important;
        border-radius: 2px !important;
        margin: 5px 0 !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    
    /* 在1024px以下隐藏导航菜单 */
    .nav-menu {
        display: none !important;
    }
    
    /* 确保header在移动端也有足够高的z-index */
    .header {
        z-index: 999999999 !important;
    }
}

/* ==================== 手机端优化 (最大宽度 768px) ==================== */
@media (max-width: 768px) {
    /* ==================== 基础优化 ==================== */
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    body {
        font-size: 15px;
        line-height: 1.6;
    }
    
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    /* ==================== Header 优化 ==================== */
    .header {
        height: 70px;
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    }
    
    .header .container {
        padding: 0 1rem;
        height: 70px;
    }
    
    .logo-icon-img {
        height: 40px;
    }
    
    .company-name {
        font-size: 1rem;
    }
    
    /* 汉堡菜单按钮优化 - 更大更易触控 */
    .mobile-toggle {
        display: block !important;
        padding: 0.75rem !important;
        z-index: 999999999 !important;
        min-width: 48px !important;
        min-height: 48px !important;
        cursor: pointer !important;
        background: none !important;
        border: none !important;
    }
    
    .mobile-toggle span {
        width: 26px !important;
        height: 3px !important;
        background: var(--tech-blue) !important;
        border-radius: 2px !important;
        margin: 5px 0 !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        display: block !important;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg) !important;
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0 !important;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg) !important;
    }
    
    /* 导航菜单优化 - 全屏覆盖式 */
    .nav-menu {
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: rgba(13, 13, 26, 0.98) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        flex-direction: column !important;
        padding: 2rem 1.5rem !important;
        gap: 1rem !important;
        transform: translateX(-100%) !important;
        opacity: 0 !important;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        overflow-y: auto !important;
        border-top: 1px solid rgba(0, 212, 255, 0.1) !important;
        z-index: 999999998 !important;
    }
    
    .nav-menu.active {
        transform: translateX(0) !important;
        opacity: 1 !important;
    }
    
    /* 确保header在移动端有足够高的z-index */
    .header {
        z-index: 2500 !important;
    }
    
    .nav-menu a {
        font-size: 1.125rem;
        padding: 1.25rem 1.5rem;
        border-radius: 16px;
        background: rgba(0, 212, 255, 0.05);
        transition: all 0.3s ease;
        min-height: 56px;
        display: flex;
        align-items: center;
        text-decoration: none;
        color: var(--text-light);
    }
    
    .nav-menu a::after {
        display: none;
    }
    
    .nav-menu a:hover,
    .nav-menu a.active {
        background: rgba(0, 212, 255, 0.15);
        color: var(--tech-blue);
        text-shadow: 0 0 10px var(--tech-blue-glow);
    }
    
    /* ==================== Banner 优化 ==================== */
    .banner {
        padding-top: 70px;
        min-height: 85vh;
    }
    
    .banner-item {
        padding: 2rem 1rem;
    }
    
    .banner-content {
        gap: 1.5rem;
        padding: 1rem 0;
    }
    
    .banner-text h1 {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    .banner-text p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        color: var(--text-muted);
    }
    
    .banner-buttons {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
        min-height: 52px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }
    
    .tech-circle {
        width: 180px;
        height: 180px;
    }
    
    .banner-dots {
        bottom: 1.5rem;
        gap: 0.5rem;
    }
    
    .banner-dot {
        width: 10px;
        height: 10px;
    }
    
    /* ==================== 通用 Section 优化 ==================== */
    .section {
        padding: 3rem 1rem;
    }
    
    .section-header {
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 0.75rem;
        color: var(--text-light);
    }
    
    .section-header p {
        font-size: 1rem;
        line-height: 1.6;
        color: var(--text-muted);
        max-width: 600px;
        margin: 0 auto;
    }
    
    /* ==================== 卡片样式优化 ==================== */
    .quick-guide-card,
    .product-card,
    .advantage-card,
    .industry-card,
    .case-card,
    .card,
    .contact-card,
    .about-main,
    .contact-form-wrapper {
        border-radius: 20px !important;
        padding: 1.5rem !important;
        margin-bottom: 1rem !important;
        background: var(--secondary-dark);
        border: 1px solid var(--border-color);
        transition: all 0.3s ease;
    }
    
    .quick-guide-card::before {
        height: 3px;
        border-radius: 0 0 3px 3px;
    }
    
    .quick-guide-card:hover,
    .product-card:hover,
    .advantage-card:hover,
    .industry-card:hover,
    .case-card:hover,
    .card:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }
    
    .guide-icon,
    .adv-icon,
    .industry-icon,
    .card-icon {
        font-size: 2.5rem !important;
        margin-bottom: 0.75rem;
    }
    
    .product-badge {
        border-radius: 20px;
        padding: 0.35rem 0.875rem;
        font-size: 0.8125rem;
        background: var(--tech-blue);
        color: var(--primary-dark);
    }
    
    .case-industry {
        border-radius: 20px;
        padding: 0.35rem 0.875rem;
        font-size: 0.8125rem;
    }
    
    /* ==================== 网格布局优化 ==================== */
    .quick-guide,
    .advantages-grid,
    .stats-row,
    .footer-grid,
    .grid-4,
    .industry-grid,
    .case-grid,
    .grid-3 {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    /* ==================== 统计数字优化 ==================== */
    .stat-number {
        font-size: 2.5rem;
        font-weight: 700;
    }
    
    .stat-label {
        font-size: 1rem;
        color: var(--text-muted);
    }
    
    /* ==================== Footer 优化 ==================== */
    .footer {
        padding: 3rem 1rem 2rem;
    }
    
    .footer-grid {
        gap: 2rem;
    }
    
    .footer-brand .footer-logo {
        justify-content: center;
    }
    
    .footer h3 {
        font-size: 1.125rem;
        margin-bottom: 1rem;
        color: var(--text-light);
    }
    
    .footer a {
        font-size: 0.9375rem;
        color: var(--text-muted);
        text-decoration: none;
        padding: 0.5rem 0;
        display: block;
        transition: color 0.3s ease;
    }
    
    .footer a:hover {
        color: var(--tech-blue);
    }
    
    .footer p {
        font-size: 0.9375rem;
        line-height: 1.7;
        color: var(--text-muted);
    }
    
    /* ==================== Modal 弹窗优化 ==================== */
    .modal {
        width: 94%;
        max-width: 500px;
        padding: 1.75rem;
        border-radius: 20px;
        max-height: 90vh;
        overflow-y: auto;
        background: var(--secondary-dark);
        border: 1px solid var(--border-color);
    }
    
    .modal-close {
        position: absolute;
        top: 0.75rem;
        right: 0.75rem;
        font-size: 1.75rem;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        min-height: 40px;
        background: transparent;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        border-radius: 50%;
        transition: all 0.3s ease;
    }
    
    .modal-close:hover {
        color: var(--tech-blue);
        background: rgba(0, 212, 255, 0.1);
    }
    
    .modal h2 {
        font-size: 1.5rem;
        padding-right: 2.5rem;
        margin-bottom: 1.25rem;
        color: var(--text-light);
    }
    
    /* ==================== 表单优化 ==================== */
    .form-group {
        margin-bottom: 1.25rem;
    }
    
    .form-group label {
        font-size: 0.9375rem;
        margin-bottom: 0.5rem;
        display: block;
        color: var(--text-light);
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.875rem 1rem;
        border-radius: 12px;
        font-size: 16px;
        min-height: 48px;
        width: 100%;
        background: var(--primary-dark);
        border: 1px solid var(--border-color);
        color: var(--text-light);
        transition: all 0.3s ease;
    }
    
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        outline: none;
        border-color: var(--tech-blue);
        box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
    }
    
    .form-group textarea {
        min-height: 120px;
        resize: vertical;
    }
    
    /* ==================== 按钮优化 - 更大更易触控 ==================== */
    .btn {
        padding: 0.875rem 1.5rem;
        border-radius: 12px;
        font-size: 1rem;
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
        border: none;
    }
    
    .btn-sm {
        padding: 0.625rem 1.125rem;
        font-size: 0.9375rem;
        min-height: 40px;
    }
    
    .btn-lg {
        padding: 1rem 1.75rem;
        font-size: 1.0625rem;
        min-height: 52px;
    }
    
    .btn-primary {
        background: var(--tech-blue);
        color: var(--primary-dark);
    }
    
    .btn-primary:hover {
        background: #00b8e6;
        box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
    }
    
    .btn-outline-primary {
        background: transparent;
        border: 2px solid var(--tech-blue);
        color: var(--tech-blue);
    }
    
    .btn-outline-primary:hover {
        background: var(--tech-blue);
        color: var(--primary-dark);
    }
    
    /* 案例筛选按钮优化 */
    .case-filters {
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 2rem;
    }
    
    .case-filter-btn {
        padding: 0.625rem 1.25rem;
        border-radius: 20px;
        font-size: 0.9rem;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        cursor: pointer;
        background: transparent;
        border: 1px solid var(--border-color);
        color: var(--text-light);
        transition: all 0.3s ease;
    }
    
    .case-filter-btn:hover,
    .case-filter-btn.active {
        background: var(--tech-blue);
        color: var(--primary-dark);
        border-color: var(--tech-blue);
    }
    
    /* ==================== Page Hero 优化 ==================== */
    .page-hero {
        padding: 100px 1rem 50px;
        text-align: center;
    }
    
    .page-hero h1 {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 0.75rem;
        color: var(--text-light);
    }
    
    .page-hero p {
        font-size: 1rem;
        line-height: 1.6;
        color: var(--text-muted);
    }
    
    /* ==================== 滚动到顶部按钮优化 ==================== */
    .scroll-top {
        width: 48px;
        height: 48px;
        bottom: 1.5rem;
        right: 1.5rem;
        border-radius: 50%;
        background: var(--tech-blue);
        color: var(--primary-dark);
        box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
        cursor: pointer;
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .scroll-top:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
    }
    
    /* ==================== 图片优化 ==================== */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    .card-image,
    .product-image,
    .case-image {
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: 12px;
        margin-bottom: 1rem;
    }
    
    /* ==================== 成功案例详情弹窗优化 ==================== */
    .case-detail-modal {
        width: 96%;
        max-height: 88vh;
        padding: 1.5rem;
        border-radius: 20px;
        overflow-y: auto;
    }
    
    .case-detail-modal .modal-close {
        top: 0.75rem;
        right: 0.75rem;
        font-size: 1.75rem;
    }
    
    .case-detail-modal h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
        padding-right: 2.5rem;
        color: var(--text-light);
    }
    
    .case-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }
    
    .case-meta span {
        padding: 0.35rem 0.875rem;
        border-radius: 20px;
        font-size: 0.8125rem;
        background: rgba(0, 212, 255, 0.1);
        color: var(--tech-blue);
    }
    
    .case-content {
        font-size: 0.9375rem;
        line-height: 1.7;
        color: var(--text-light);
    }
    
    /* ==================== 新闻列表优化 ==================== */
    .news-item {
        padding: 1.5rem;
        margin-bottom: 1rem;
        border-radius: 16px;
        background: var(--secondary-dark);
        border: 1px solid var(--border-color);
        transition: all 0.3s ease;
    }
    
    .news-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }
    
    .news-item h3 {
        font-size: 1.125rem;
        line-height: 1.4;
        margin-bottom: 0.75rem;
        color: var(--text-light);
    }
    
    .news-item p {
        font-size: 0.9375rem;
        line-height: 1.6;
        color: var(--text-muted);
    }
    
    .news-date {
        font-size: 0.8125rem;
        margin-top: 0.75rem;
        color: var(--text-muted);
    }
    
    /* ==================== 产品列表优化 ==================== */
    .product-card h3 {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
        color: var(--text-light);
    }
    
    .product-card p {
        font-size: 0.9375rem;
        line-height: 1.6;
        margin-bottom: 1rem;
        color: var(--text-muted);
    }
    
    .product-features {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-top: 1rem;
    }
    
    .product-features span {
        padding: 0.35rem 0.75rem;
        border-radius: 20px;
        font-size: 0.8125rem;
        background: rgba(0, 212, 255, 0.1);
        color: var(--tech-blue);
    }
    
    /* ==================== 案例列表优化 ==================== */
    .case-card h3 {
        font-size: 1.125rem;
        margin-bottom: 0.75rem;
        color: var(--text-light);
    }
    
    .case-card p {
        font-size: 0.9375rem;
        line-height: 1.6;
        color: var(--text-muted);
    }
    
    /* ==================== 行业方案优化 ==================== */
    .industry-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem;
    }
    
    .industry-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }
    
    .industry-info h3 {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
        color: var(--tech-blue);
    }
    
    .industry-pain,
    .industry-solution {
        font-size: 0.9375rem;
        line-height: 1.6;
        margin-bottom: 0.5rem;
    }
    
    .industry-pain {
        color: #ff6b6b;
    }
    
    .industry-solution {
        color: var(--text-muted);
    }
    
    /* ==================== 联系我们优化 ==================== */
    .contact-info-item {
        padding: 1.25rem;
        margin-bottom: 1rem;
        border-radius: 16px;
        background: var(--secondary-dark);
        border: 1px solid var(--border-color);
    }
    
    .contact-info-item h3 {
        font-size: 1.0625rem;
        margin-bottom: 0.5rem;
        color: var(--text-light);
    }
    
    .contact-info-item p {
        font-size: 0.9375rem;
        line-height: 1.6;
        color: var(--text-muted);
    }
    
    /* ==================== 关于我们优化 ==================== */
    .about-content {
        padding: 1.5rem 0;
    }
    
    .about-content h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
        color: var(--text-light);
    }
    
    .about-content p {
        font-size: 0.9375rem;
        line-height: 1.7;
        margin-bottom: 1rem;
        color: var(--text-muted);
    }
    
    /* ==================== 行业详情弹窗优化 ==================== */
    .industry-detail-modal {
        width: 96%;
        max-height: 88vh;
        padding: 1.5rem;
        border-radius: 20px;
        overflow-y: auto;
    }
    
    .industry-detail-modal h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
        color: var(--text-light);
    }
    
    .industry-detail-modal h3 {
        font-size: 1.125rem;
        margin-top: 1.25rem;
        margin-bottom: 0.75rem;
        color: var(--tech-blue);
    }
    
    .industry-detail-modal p {
        font-size: 0.9375rem;
        line-height: 1.7;
        margin-bottom: 1rem;
        color: var(--text-muted);
    }
    
    /* ==================== 表格优化 ==================== */
    table {
        font-size: 0.875rem;
        width: 100%;
        border-collapse: collapse;
    }
    
    th, td {
        padding: 0.75rem 0.5rem;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }
    
    th {
        background: var(--secondary-dark);
        color: var(--text-light);
        font-weight: 600;
    }
    
    td {
        color: var(--text-muted);
    }
    
    /* ==================== 间距和留白优化 ==================== */
    .mb-1 { margin-bottom: 0.5rem; }
    .mb-2 { margin-bottom: 1rem; }
    .mb-3 { margin-bottom: 1.5rem; }
    .mb-4 { margin-bottom: 2rem; }
    
    .mt-1 { margin-top: 0.5rem; }
    .mt-2 { margin-top: 1rem; }
    .mt-3 { margin-top: 1.5rem; }
    .mt-4 { margin-top: 2rem; }
    
    .py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
    .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
    .py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
    .py-4 { padding-top: 2rem; padding-bottom: 2rem; }
    
    .px-1 { padding-left: 0.5rem; padding-right: 0.5rem; }
    .px-2 { padding-left: 1rem; padding-right: 1rem; }
    .px-3 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .px-4 { padding-left: 2rem; padding-right: 2rem; }
}

/* ==================== 小屏手机优化 (最大宽度 480px) ==================== */
@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    .container {
        padding: 0 0.875rem;
    }
    
    /* Header */
    .header .container {
        padding: 0 0.875rem;
    }
    
    .logo-icon-img {
        height: 36px;
    }
    
    .company-name {
        font-size: 0.9375rem;
    }
    
    /* Banner */
    .banner-text h1 {
        font-size: 1.5rem;
    }
    
    .banner-text p {
        font-size: 0.9375rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
        min-height: 48px;
    }
    
    .tech-circle {
        width: 160px;
        height: 160px;
    }
    
    /* Section */
    .section {
        padding: 2.5rem 0.875rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .section-header p {
        font-size: 0.9375rem;
    }
    
    /* 卡片 */
    .quick-guide-card,
    .product-card,
    .advantage-card,
    .industry-card,
    .case-card,
    .card,
    .contact-card,
    .about-main,
    .contact-form-wrapper {
        padding: 1.25rem !important;
        border-radius: 16px !important;
    }
    
    .guide-icon,
    .adv-icon,
    .industry-icon,
    .card-icon {
        font-size: 2rem !important;
    }
    
    /* 统计 */
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.9375rem;
    }
    
    /* Footer */
    .footer {
        padding: 2.5rem 0.875rem 1.5rem;
    }
    
    .footer h3 {
        font-size: 1rem;
    }
    
    .footer a,
    .footer p {
        font-size: 0.875rem;
    }
    
    /* Modal */
    .modal {
        width: 96%;
        padding: 1.5rem;
        border-radius: 16px;
    }
    
    .modal h2 {
        font-size: 1.375rem;
    }
    
    /* 表单 */
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.75rem 0.875rem;
        font-size: 15px;
        min-height: 44px;
    }
    
    .form-group textarea {
        min-height: 100px;
    }
    
    /* 按钮 */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
        min-height: 44px;
    }
    
    .btn-sm {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        min-height: 36px;
    }
    
    .btn-lg {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
        min-height: 48px;
    }
    
    /* 案例筛选 */
    .case-filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
        min-height: 40px;
    }
    
    /* Page Hero */
    .page-hero {
        padding: 90px 0.875rem 40px;
    }
    
    .page-hero h1 {
        font-size: 1.75rem;
    }
    
    .page-hero p {
        font-size: 0.9375rem;
    }
    
    /* 滚动到顶部 */
    .scroll-top {
        width: 44px;
        height: 44px;
        bottom: 1rem;
        right: 1rem;
    }
    
    /* 新闻列表 */
    .news-item {
        padding: 1.25rem;
        margin-bottom: 0.875rem;
    }
    
    .news-item h3 {
        font-size: 1rem;
    }
    
    .news-item p {
        font-size: 0.875rem;
    }
    
    /* 产品 */
    .product-card h3 {
        font-size: 1.125rem;
    }
    
    .product-card p {
        font-size: 0.875rem;
    }
    
    /* 案例 */
    .case-card h3 {
        font-size: 1rem;
    }
    
    .case-card p {
        font-size: 0.875rem;
    }
    
    /* 行业详情 */
    .industry-detail-modal {
        padding: 1.25rem;
    }
    
    .industry-detail-modal h2 {
        font-size: 1.375rem;
    }
    
    .industry-detail-modal h3 {
        font-size: 1rem;
    }
    
    .industry-detail-modal p {
        font-size: 0.875rem;
    }
    
    /* 成功案例详情 */
    .case-detail-modal {
        padding: 1.25rem;
    }
    
    .case-detail-modal h2 {
        font-size: 1.375rem;
    }
    
    .case-meta span {
        font-size: 0.75rem;
        padding: 0.25rem 0.75rem;
    }
    
    .case-content {
        font-size: 0.875rem;
    }
}

/* ==================== 超小屏手机优化 (最大宽度 375px) ==================== */
@media (max-width: 375px) {
    body {
        font-size: 13px;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .header .container {
        padding: 0 0.75rem;
    }
    
    .logo-icon-img {
        height: 32px;
    }
    
    .company-name {
        font-size: 0.875rem;
    }
    
    .banner-text h1 {
        font-size: 1.375rem;
    }
    
    .section {
        padding: 2rem 0.75rem;
    }
    
    .section-header h2 {
        font-size: 1.375rem;
    }
    
    .quick-guide-card,
    .product-card,
    .advantage-card,
    .industry-card,
    .case-card,
    .card,
    .contact-card,
    .about-main,
    .contact-form-wrapper {
        padding: 1rem !important;
        border-radius: 12px !important;
    }
    
    .footer {
        padding: 2rem 0.75rem 1.25rem;
    }
    
    .modal {
        width: 98%;
        padding: 1.25rem;
        border-radius: 12px;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
        min-height: 40px;
    }
    
    .btn-lg {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        min-height: 44px;
    }
}