/* ====================================================================
现代化移动端响应式样式 - 前台页面移动端优化
======================================================================= 

主要特性：
1. 现代化响应式设计
2. 触摸友好的交互体验
3. 性能优化的动画效果
4. 无障碍访问支持
5. 深色模式适配
6. 高对比度模式支持

版本：2.0
更新日期：2024年
======================================================================= */

/* ====== 1. 基础移动端设置 ====== */

/* 移动端基础优化 */
@media (max-width: 768px) {    /* 基础字体和间距优化 */
    html {
        font-size: 16px !important;
        -webkit-text-size-adjust: 100% !important;
        -ms-text-size-adjust: 100% !important;
        scroll-behavior: smooth !important;
    
    
    body {
        font-size: 16px !important;
        line-height: 1.6 !important;
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
        padding-top: 70px !important;
        overflow-x: hidden !important;
        -webkit-font-smoothing: antialiased !important;
        -moz-osx-font-smoothing: grayscale !important;
    
    
    /* 容器优化 */
    .container {
        padding-left: 20px !important;
        padding-right: 20px !important;
        max-width: 100% !important;
    }
    
    /* 通用间距优化 */
    .padding {
        padding: 60px 0 !important;
    }
    
    /* 标题字体优化 */
    .heading-primary {
        font-size: 2.5rem !important;
        line-height: 1.2 !important;
        margin-bottom: 1.5rem !important;
        font-weight: 700 !important;
        letter-spacing: -0.5px !important;
    }
    
    .heading-secondary {
        font-size: 2rem !important;
        line-height: 1.3 !important;
        margin: 1.5rem 0 !important;
        font-weight: 600 !important;
    }
    
    .heading-tertiary {
        font-size: 1.5rem !important;
        line-height: 1.4 !important;
        font-weight: 600 !important;
    }
    
    /* 段落优化 */
    p {
        font-size: 16px !important;
        line-height: 1.7 !important;
        margin: 1rem 0 !important;
        color: #4a5568 !important;
    }
    
    /* 图片优化 */
    img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    /* 链接优化 */
    a {
        text-decoration: none !important;
        transition: all 0.3s ease !important;
    }
    
    /* 按钮基础样式 */
    .btn, .button {
        display: inline-block !important;
        padding: 12px 24px !important;
        border-radius: 8px !important;
        font-weight: 600 !important;
        text-align: center !important;
        cursor: pointer !important;
        transition: all 0.3s ease !important;
        border: none !important;
        outline: none !important;
        min-height: 44px !important; /* 触摸友好 */
        min-width: 44px !important;
    }
}

/* ====== 2. 现代化导航栏 ====== */
@media (max-width: 991px) {
    .navbar {
        padding: 15px 20px !important;
        min-height: 70px !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        -webkit-backdrop-filter: blur(20px) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
        z-index: 1050 !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-brand {
        padding: 0 !important;
        margin-right: 0 !important;
        display: flex !important;
        align-items: center !important;
    }
    
    .brand-text {
        font-size: 20px !important;
        font-weight: 700 !important;
        color: #2d3748 !important;
    }
    
    /* 移动端中英文标题样式 */
    .brand-text-container {
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 1px !important;
        max-width: 240px !important;
    }
    
    .brand-text-chinese {
        font-size: 18px !important;
        font-weight: 700 !important;
        color: #2d3748 !important;
        line-height: 1.1 !important;
    }
    
    .brand-text-english {
        font-size: 12px !important;
        font-weight: 500 !important;
        color: #718096 !important;
        line-height: 1.1 !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }
    
    /* 移动端英文显示在第一行时的样式调整 */
    .brand-text-container .brand-text-english:first-child {
        font-size: 18px !important;
        font-weight: 700 !important;
        color: #2d3748 !important;
    }
    
    .brand-text-container .brand-text-chinese:last-child {
        font-size: 12px !important;
        font-weight: 500 !important;
        color: #718096 !important;
    }
    
    .brand-icon {
        font-size: 24px !important;
        margin-right: 10px !important;
        color: #4299e1 !important;
    }
    
    /* 汉堡菜单按钮 */
    .navbar-toggler {
        border: none !important;
        padding: 8px !important;
        border-radius: 8px !important;
        background: transparent !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-toggler:focus {
        outline: none !important;
        box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.3) !important;
    }
    
    .navbar-toggler-icon {
        width: 24px !important;
        height: 2px !important;
        background: #2d3748 !important;
        position: relative !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after {
        content: '' !important;
        position: absolute !important;
        width: 24px !important;
        height: 2px !important;
        background: #2d3748 !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-toggler-icon::before {
        top: -8px !important;
    }
    
    .navbar-toggler-icon::after {
        bottom: -8px !important;
    }
    
    /* 导航菜单 */
    .navbar-collapse {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        width: 100% !important;
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(20px) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
        border-radius: 0 0 16px 16px !important;
        padding: 20px !important;
        transform: translateY(-10px) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-collapse.show {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
        transition: all 0.2s ease-out !important;
    }
    
    .navbar-nav {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .navbar-nav .nav-item {
        margin: 8px 0 !important;
        border-radius: 8px !important;
        transition: all 0.3s ease !important;
    }
    
    .navbar-nav .nav-item:hover {
        background: rgba(66, 153, 225, 0.1) !important;
    }
    
    .navbar-nav .nav-link {
        padding: 12px 16px !important;
        font-size: 16px !important;
        font-weight: 500 !important;
        color: #2d3748 !important;
        border-radius: 8px !important;
        transition: all 0.3s ease !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        color: #4299e1 !important;
        background: rgba(66, 153, 225, 0.15) !important;
        transform: translateX(8px) !important;
    }
    
    /* 语言切换 */
    .language-switch {
        margin-top: 16px !important;
        padding: 12px 16px !important;
        background: rgba(66, 153, 225, 0.1) !important;
        border-radius: 8px !important;
        color: #4299e1 !important;
        font-weight: 500 !important;
        text-align: center !important;
        transition: all 0.3s ease !important;
    }
    
    .language-switch:hover {
        background: rgba(66, 153, 225, 0.2) !important;
        transform: translateY(-2px) !important;
    }
}

/* ====== 电脑端导航栏样式 ====== */
@media (min-width: 992px) {
    /* 在电脑端隐藏汉堡菜单按钮 */
    .navbar-toggler {
        display: none !important;
    }
    
    /* 确保导航菜单在电脑端正常显示 */
    .navbar-collapse {
        display: flex !important;
        position: static !important;
        width: auto !important;
        background: transparent !important;
        backdrop-filter: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        padding: 0 !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .navbar-nav {
        flex-direction: row !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .navbar-nav .nav-item {
        margin: 0 8px !important;
    }
    
    .navbar-nav .nav-link {
        padding: 8px 16px !important;
        color: #2d3748 !important;
        font-weight: 500 !important;
        transition: all 0.3s ease !important;
        border-radius: 8px !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        color: #4299e1 !important;
        background: rgba(66, 153, 225, 0.1) !important;
        transform: none !important;
    }
    
    /* 语言切换按钮在电脑端的样式 */
    .language-switch {
        margin: 0 8px 0 0 !important;
        padding: 8px 16px !important;
        background: transparent !important;
        border-radius: 8px !important;
        color: #2d3748 !important;
        font-weight: 500 !important;
        transition: all 0.3s ease !important;
    }
    
    .language-switch:hover {
        background: rgba(66, 153, 225, 0.1) !important;
        color: #4299e1 !important;
        transform: none !important;
    }
}

/* ====== 3. 首页Banner重构 ====== */
@media (max-width: 768px) {
    .home {
        position: relative !important;
    }
    
    /* 简洁Banner容器 - 设置固定高度240px */
    .slideWiz {
        height: 240px !important; /* 修改div高度为固定值 */
        position: relative !important;
        overflow: hidden !important;
        width: 100% !important;
    }
    
    /* 图片自适应容器 */
    .slideWiz img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        object-position: center !important;
    }
    
    /* 简化文本内容 - 仅保留必要信息 */
    .slideWiz .detail-content {
        position: absolute !important;
        bottom: 0 !important;
        left: 0 !important;
        width: 100% !important;
        padding: 15px !important;
        background: linear-gradient(transparent, rgba(0,0,0,0.7)) !important;
        color: white !important;
    }
    
    .slideWiz .detail-title {
        font-size: 1.5rem !important;
        margin-bottom: 8px !important;
        text-shadow: 0 1px 2px rgba(0,0,0,0.5) !important;
    }
    
    .slideWiz .detail-desc {
        font-size: 0.9rem !important;
        margin-bottom: 10px !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
    }
    
    /* 极简按钮样式 */
    .slideWiz .btn {
        display: inline-block !important;
        padding: 6px 12px !important;
        background: #4299e1 !important;
        color: white !important;
        border-radius: 3px !important;
        font-size: 12px !important;
        text-decoration: none !important;
    }
    
    /* 移除所有动画和交互效果 */
    .half-circle-next,
    .half-circle-prev,
    .slideWiz .btn:hover {
        display: none !important;
    }
}

/* ====== 4. 关于我们部分优化 ====== */
@media (max-width: 768px) {
    .about {
        padding: 60px 0 !important;
    }
    }

    /* ====== 4. 关于我们部分优化 ====== */
    @media (max-width: 768px) {
        .about {
            padding: 60px 0 !important;
        }
    
        .about .about-content {
            margin-bottom: 40px !important;
        }
    }
    
    .about .hr-title h2 {
        font-size: 2.5rem !important;
        font-weight: 700 !important;
        margin-bottom: 20px !important;
        color: #2d3748 !important;
        text-align: center !important;
    }
    
    .about .about-content h3 {
        font-size: 1.5rem !important;
        font-weight: 600 !important;
        margin-bottom: 20px !important;
        color: #4a5568 !important;
    }
    
    .about .about-content p {
        font-size: 16px !important;
        line-height: 1.7 !important;
        color: #718096 !important;
        margin-bottom: 20px !important;
    }
    
    .about .col-lg-6.order-first.order-lg-last {
        margin-bottom: 30px !important;
    }
    
    .about img {
        width: 100% !important;
        border-radius: 16px !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
        transition: all 0.3s ease !important;
    }
    
    .about img:hover {
        transform: translateY(-5px) !important;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
    }
    
    .about .button.btn-hover {
        background: linear-gradient(135deg, #4299e1, #3182ce) !important;
        color: white !important;
        padding: 14px 28px !important;
        border-radius: 50px !important;
        font-weight: 600 !important;
        font-size: 16px !important;
        border: none !important;
        cursor: pointer !important;
        transition: all 0.3s ease !important;
        box-shadow: 0 4px 15px rgba(66, 153, 225, 0.4) !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    .about .button.btn-hover:hover {
        transform: translateY(-3px) !important;
        box-shadow: 0 8px 25px rgba(66, 153, 225, 0.6) !important;
    }
}

/* ====== 5. 关于我们列表优化 ====== */
@media (max-width: 768px) {
    .about-list {
        padding: 60px 0 !important;
        background: #f7fafc !important;
    }
    
    .about-list .text-center h2 {
        font-size: 2.5rem !important;
        font-weight: 700 !important;
        margin-bottom: 20px !important;
        color: #2d3748 !important;
    }
    
    .about-list .text-center h2 span {
        color: #4299e1 !important;
    }
    
    .about-list .text-center p {
        font-size: 16px !important;
        line-height: 1.7 !important;
        color: #718096 !important;
        margin-bottom: 50px !important;
    }
    
    .about-list .about-item {
        margin-bottom: 30px !important;
        background: white !important;
        border-radius: 16px !important;
        padding: 30px 20px !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
        transition: all 0.3s ease !important;
        text-align: center !important;
    }
    
    .about-list .about-item:hover {
        transform: translateY(-10px) !important;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
    }
    
    .about-list .about-item .text-center {
        position: relative !important;
        padding-bottom: 20px !important;
    }
    
    .about-list .about-item .text-center::before {
        content: '' !important;
        position: absolute !important;
        bottom: 0 !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 60px !important;
        height: 3px !important;
        background: linear-gradient(90deg, #4299e1, #3182ce) !important;
        border-radius: 2px !important;
        transition: width 0.3s ease !important;
    }
    
    .about-list .about-item:hover .text-center::before {
        width: 80px !important;
    }
    
    .about-list .about-item .icon {
        width: 80px !important;
        height: 80px !important;
        background: linear-gradient(135deg, #4299e1, #3182ce) !important;
        border-radius: 50% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        margin: 0 auto 20px !important;
        font-size: 32px !important;
        color: white !important;
        transition: all 0.3s ease !important;
    }
    
    .about-list .about-item:hover .icon {
        transform: scale(1.1) rotate(5deg) !important;
    }
    
    .about-list .about-item h5 {
        font-size: 1.3rem !important;
        font-weight: 600 !important;
        margin-bottom: 10px !important;
        color: #2d3748 !important;
    }
    
    .about-list .about-item h6 {
        font-size: 1rem !important;
        font-weight: 500 !important;
        color: #4299e1 !important;
        margin-bottom: 15px !important;
    }
    
    .about-list .about-item p {
        font-size: 15px !important;
        line-height: 1.7 !important;
        color: #718096 !important;
        margin: 0 !important;
    }
}

/* ====== 6. 服务部分优化 ====== */
@media (max-width: 768px) {
    .services {
        padding: 60px 0 !important;
    }
    
    .services h2 {
        font-size: 2.5rem !important;
        font-weight: 700 !important;
        margin-bottom: 20px !important;
        color: #2d3748 !important;
        text-align: center !important;
    }
    
    .services .content-box {
        background: white !important;
        border-radius: 16px !important;
        padding: 30px 20px !important;
        margin-bottom: 30px !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
        transition: all 0.3s ease !important;
        text-align: center !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    .services .content-box::before {
        content: '' !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 4px !important;
        background: linear-gradient(90deg, #4299e1, #3182ce) !important;
        transform: scaleX(0) !important;
        transition: transform 0.2s ease !important;
    }
    
    .services .content-box:hover {
        transform: translateY(-10px) !important;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
    }
    
    .services .content-box:hover::before {
        transform: scaleX(1) !important;
    }
    
    .services .content-box h4 {
        font-size: 1.3rem !important;
        font-weight: 600 !important;
        margin-bottom: 15px !important;
        color: #2d3748 !important;
    }
    
    .services .content-box p {
        font-size: 14px !important;
        line-height: 1.6 !important;
        color: #718096 !important;
        margin: 0 !important;
    }
}

/* ====== 7. 动画效果 ====== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ====== 8. 小屏幕优化 ====== */
@media (max-width: 480px) {
    .heading-primary {
        font-size: 2rem !important;
    }
    
    .heading-secondary {
        font-size: 1.5rem !important;
    }
    
    .container {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    
    .padding {
        padding: 40px 0 !important;
    }
    
    .slideWiz .detail-title,
    .slideWiz .detail-content h1 {
        font-size: 2rem !important;
    }
    
    .slideWiz .detail-desc,
    .slideWiz .detail-content p {
        font-size: 1rem !important;
    }
    
    .slideWiz .btn,
    .slideWiz .detail-content .btn {
        padding: 12px 24px !important;
        font-size: 14px !important;
    }
    
    .about-list .about-item .text-center {
        padding: 20px 15px !important;
    }
    
    .services .content-box {
        padding: 25px 15px !important;
    }
}

/* ====== 9. 横屏模式优化 ====== */
@media (max-width: 768px) and (orientation: landscape) {
    .home {
        min-height: 100vh !important;
    }
    
    .slideWiz {
        height: 100vh !important;
    }
    
    .slideWiz .detail-box,
    .slideWiz .detail-content {
        top: 45% !important;
    }
    
    .slideWiz .detail-title,
    .slideWiz .detail-content h1 {
        font-size: 2rem !important;
        margin-bottom: 15px !important;
    }
    
    .slideWiz .detail-desc,
    .slideWiz .detail-content p {
        font-size: 1rem !important;
        margin-bottom: 20px !important;
    }
    
    .slideWiz .btn,
    .slideWiz .detail-content .btn {
        padding: 10px 20px !important;
        font-size: 14px !important;
    }
    
    .padding {
        padding: 40px 0 !important;
    }
}

/* ====== 10. 触摸设备优化 ====== */
@media (hover: none) and (pointer: coarse) {
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus {
        background: rgba(66, 153, 225, 0.1) !important;
    }
    
    .slideWiz .btn:hover,
    .slideWiz .detail-content .btn:hover {
        transform: none !important;
        background: rgba(255, 255, 255, 0.3) !important;
    }
    
    .half-circle-next:hover,
    .half-circle-prev:hover {
        transform: translateY(-50%) !important;
    }
    
    .about-list .about-item:hover .icon {
        transform: none !important;
    }
}

/* ====== 11. 深色模式支持 ====== */
@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(26, 32, 44, 0.95) !important;
    }
    
    .navbar-nav .nav-link {
        color: #e2e8f0 !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        color: #63b3ed !important;
    }
    
    .brand-text {
        color: #e2e8f0 !important;
    }
}

/* ====== 12. 高对比度模式支持 ====== */
@media (prefers-contrast: high) {
    .slideWiz .detail-box,
    .slideWiz .detail-content {
        background: rgba(0, 0, 0, 0.8) !important;
        padding: 30px !important;
        border-radius: 8px !important;
    }
    
    .slideWiz .detail-title,
    .slideWiz .detail-content h1 {
        color: #ffffff !important;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8) !important;
    }
    
    .slideWiz .detail-desc,
    .slideWiz .detail-content p {
        color: #ffffff !important;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8) !important;
    }
}

/* ====== 13. 性能优化 ====== */
.performance-optimized {
    will-change: transform !important;
    transform: translateZ(0) !important;
    backface-visibility: hidden !important;
    contain: layout paint size !important;
}

/* ====== 14. 无障碍访问优化 ====== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ====== 15. 焦点样式优化 ====== */
.btn:focus,
.button:focus,
.navbar-toggler:focus,
.nav-link:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid #4299e1 !important;
    outline-offset: 3px !important;
    transition: outline-color 0.2s ease !important;
}

/* ====== 16. 加载状态优化 ====== */
.loading {
    opacity: 0.7 !important;
    pointer-events: none !important;
}

.loading::after {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    width: 20px !important;
    height: 20px !important;
    margin: -10px 0 0 -10px !important;
    border: 2px solid #4299e1 !important;
    border-top: 2px solid transparent !important;
    border-radius: 50% !important;
    animation: spin 1s linear infinite !important;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ====== 17. 错误状态样式 ====== */
.error {
    border: 2px solid #e53e3e !important;
    background: rgba(229, 62, 62, 0.1) !important;
}

.error-message {
    color: #e53e3e !important;
    font-size: 14px !important;
    margin-top: 5px !important;
}

/* ====== 18. 成功状态样式 ====== */
.success {
    border: 2px solid #38a169 !important;
    background: rgba(56, 161, 105, 0.1) !important;
}

.success-message {
    color: #38a169 !important;
    font-size: 14px !important;
    margin-top: 5px !important;
}

/* ====== 19. 工具类 ====== */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }
.mt-4 { margin-top: 2rem !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.5rem !important; }
.p-2 { padding: 1rem !important; }
.p-3 { padding: 1.5rem !important; }
.p-4 { padding: 2rem !important; }

.hidden { display: none !important; }
.visible { display: block !important; }

.rounded { border-radius: 8px !important; }
.rounded-lg { border-radius: 16px !important; }
.rounded-full { border-radius: 50% !important; }

.shadow { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important; }
.shadow-lg { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important; }

/* ====== 20. 响应式工具类 ====== */
@media (max-width: 768px) {
    .d-mobile-none { display: none !important; }
    .d-mobile-block { display: block !important; }
    .d-mobile-flex { display: flex !important; }
}

@media (min-width: 769px) {
        .d-desktop-none { display: none !important; }
        .d-desktop-block { display: block !important; }
        .d-desktop-flex { display: flex !important; }
    }
    
    @media (max-width: 768px) {
        #home {
            display: none;
        }