/**
 * 响应式适配
 */

/* 确保导航栏设置只在桌面端生效 */
@media (min-width: 769px) {
    /* 导航栏对齐方式（仅桌面端） */
    .main-navigation[data-nav-align="left"] .nav-menu {
        justify-content: flex-start;
    }
    
    .main-navigation[data-nav-align="center"] .nav-menu {
        justify-content: center;
        margin: 0 auto;
    }
    
    .main-navigation[data-nav-align="right"] .nav-menu {
        justify-content: flex-end;
    }
    
    /* 导航栏间距（仅桌面端） */
    .main-navigation .nav-menu {
        gap: var(--nav-spacing, 30px);
    }
}

@media (max-width: 1024px) {
    .business-grid,
    .news-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* 桌面端导航栏在移动端隐藏 */
    .main-navigation {
        display: none !important;
    }
    
    /* 移动端菜单按钮显示 */
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    /* 移动端菜单样式 - 优雅的侧边栏设计 */
    .main-navigation,
    .mobile-navigation {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        width: 320px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%) !important;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15) !important;
        z-index: 1000 !important;
        display: none !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        padding-top: 70px !important;
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.4s ease !important;
        transform: translateX(100%) !important;
        opacity: 0 !important;
        flex-grow: 0 !important;
        justify-content: flex-start !important;
        align-items: flex-start !important;
    }
    
    .main-navigation.active,
    .mobile-navigation.active {
        display: block !important;
        transform: translateX(0) !important;
        opacity: 1 !important;
        animation: slideInRight 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    }
    
    @keyframes slideInRight {
        0% {
            transform: translateX(100%);
            opacity: 0;
        }
        60% {
            transform: translateX(-5px);
        }
        100% {
            transform: translateX(0);
            opacity: 1;
        }
    }
    
    /* 移动端菜单背景遮罩 */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 999;
        display: none;
        opacity: 0;
        transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .mobile-menu-overlay.active {
        display: block;
        opacity: 1;
        animation: fadeInOverlay 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    @keyframes fadeInOverlay {
        from { 
            opacity: 0;
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
        }
        to { 
            opacity: 1;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }
    }
    
    /* 移动端菜单容器样式 - 优雅设计 */
    .main-navigation .nav-menu,
    .main-navigation.active .nav-menu,
    .mobile-navigation .mobile-nav-menu,
    .mobile-navigation.active .mobile-nav-menu {
        flex-direction: column !important;
        gap: 8px !important;
        padding: 20px !important;
        width: 100% !important;
        max-width: 100% !important;
        justify-content: flex-start !important;
        align-items: stretch !important;
        margin: 0 !important;
        list-style: none !important;
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 移动端菜单项样式 - 基础样式 */
    .main-navigation .nav-menu li,
    .mobile-navigation .mobile-nav-menu li {
        width: 100% !important;
        margin: 0 0 8px 0 !important;
        padding: 0 !important;
        display: block !important;
        border-radius: 8px !important;
        overflow: hidden !important;
    }
    
    /* 菜单激活时，菜单项应用动画 */
    .main-navigation.active .nav-menu li,
    .mobile-navigation.active .mobile-nav-menu li {
        opacity: 0;
        transform: translateX(20px);
        animation: slideInMenuItem 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    }
    
    /* 菜单项依次进入动画 */
    .main-navigation.active .nav-menu li:nth-child(1),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(1) {
        animation-delay: 0.1s;
    }
    
    .main-navigation.active .nav-menu li:nth-child(2),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(2) {
        animation-delay: 0.15s;
    }
    
    .main-navigation.active .nav-menu li:nth-child(3),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(3) {
        animation-delay: 0.2s;
    }
    
    .main-navigation.active .nav-menu li:nth-child(4),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(4) {
        animation-delay: 0.25s;
    }
    
    .main-navigation.active .nav-menu li:nth-child(5),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(5) {
        animation-delay: 0.3s;
    }
    
    .main-navigation.active .nav-menu li:nth-child(6),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(6) {
        animation-delay: 0.35s;
    }
    
    .main-navigation.active .nav-menu li:nth-child(n+7),
    .mobile-navigation.active .mobile-nav-menu li:nth-child(n+7) {
        animation-delay: 0.4s;
    }
    
    @keyframes slideInMenuItem {
        from {
            opacity: 0;
            transform: translateX(20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    /* 移动端菜单链接样式 - 现代化设计 */
    .main-navigation .nav-menu a,
    .main-navigation.active .nav-menu a,
    .mobile-navigation .mobile-nav-menu a,
    .mobile-navigation.active .mobile-nav-menu a {
        color: #333333 !important;
        padding: 16px 20px !important;
        display: block !important;
        font-size: 16px !important;
        font-weight: 500 !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        width: 100% !important;
        text-align: left !important;
        border: none !important;
        margin: 0 !important;
        background: transparent !important;
        border-radius: 8px !important;
        position: relative !important;
        -webkit-tap-highlight-color: transparent;
    }
    
    .main-navigation .nav-menu a:active,
    .main-navigation.active .nav-menu a:active,
    .mobile-navigation .mobile-nav-menu a:active,
    .mobile-navigation.active .mobile-nav-menu a:active {
        transform: scale(0.98) translateX(2px);
        background: linear-gradient(90deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.1) 100%) !important;
    }
    
    .main-navigation .nav-menu a::before,
    .main-navigation.active .nav-menu a::before,
    .mobile-navigation .mobile-nav-menu a::before,
    .mobile-navigation.active .mobile-nav-menu a::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: #d4af37;
        transform: scaleY(0);
        transition: transform 0.3s ease;
        border-radius: 0 4px 4px 0;
    }
    
    .main-navigation .nav-menu a:hover,
    .main-navigation.active .nav-menu a:hover,
    .mobile-navigation .mobile-nav-menu a:hover,
    .mobile-navigation.active .mobile-nav-menu a:hover {
        background: linear-gradient(90deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%) !important;
        color: #d4af37 !important;
        padding-left: 24px !important;
        transform: translateX(4px) !important;
    }
    
    .main-navigation .nav-menu a:hover::before,
    .main-navigation.active .nav-menu a:hover::before,
    .mobile-navigation .mobile-nav-menu a:hover::before,
    .mobile-navigation.active .mobile-nav-menu a:hover::before {
        transform: scaleY(1);
    }
    
    /* 当前页面菜单项高亮 */
    .main-navigation .nav-menu .current-menu-item > a,
    .main-navigation.active .nav-menu .current-menu-item > a,
    .mobile-navigation .mobile-nav-menu .current-menu-item > a,
    .mobile-navigation.active .mobile-nav-menu .current-menu-item > a {
        background: linear-gradient(90deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.08) 100%) !important;
        color: #d4af37 !important;
        font-weight: 600 !important;
    }
    
    .main-navigation .nav-menu .current-menu-item > a::before,
    .main-navigation.active .nav-menu .current-menu-item > a::before,
    .mobile-navigation .mobile-nav-menu .current-menu-item > a::before,
    .mobile-navigation.active .mobile-nav-menu .current-menu-item > a::before {
        transform: scaleY(1);
    }
    
    /* 移动端菜单对齐方式重置 - 强制覆盖 */
    .main-navigation .nav-menu-center,
    .main-navigation.active .nav-menu-center,
    .main-navigation .nav-menu-left,
    .main-navigation.active .nav-menu-left,
    .mobile-navigation .mobile-nav-menu,
    .mobile-navigation.active .mobile-nav-menu {
        justify-content: flex-start !important;
        align-items: stretch !important;
        margin: 0 !important;
        flex-direction: column !important;
    }
    
    /* 子菜单样式 - 移动端专用 */
    .main-navigation .nav-menu .sub-menu,
    .main-navigation.active .nav-menu .sub-menu,
    .mobile-navigation .mobile-nav-menu .sub-menu,
    .mobile-navigation.active .mobile-nav-menu .sub-menu {
        display: none !important;
        background: rgba(248, 249, 250, 0.8) !important;
        margin: 8px 0 0 0 !important;
        padding: 8px 0 !important;
        list-style: none !important;
        position: static !important;
        width: 100% !important;
        flex-direction: column !important;
        border-radius: 8px !important;
    }
    
    .main-navigation .nav-menu li.menu-item-has-children > a::after,
    .mobile-navigation .mobile-nav-menu li.menu-item-has-children > a::after {
        content: '▼';
        float: right;
        font-size: 12px;
        transition: transform 0.3s ease;
    }
    
    .main-navigation .nav-menu li.menu-item-has-children.active > a::after,
    .mobile-navigation .mobile-nav-menu li.menu-item-has-children.active > a::after {
        transform: rotate(180deg);
    }
    
    .main-navigation .nav-menu li.menu-item-has-children.active > .sub-menu,
    .main-navigation.active .nav-menu li.menu-item-has-children.active > .sub-menu,
    .mobile-navigation .mobile-nav-menu li.menu-item-has-children.active > .sub-menu,
    .mobile-navigation.active .mobile-nav-menu li.menu-item-has-children.active > .sub-menu {
        display: block !important;
    }
    
    .main-navigation .nav-menu .sub-menu a,
    .main-navigation.active .nav-menu .sub-menu a,
    .mobile-navigation .mobile-nav-menu .sub-menu a,
    .mobile-navigation.active .mobile-nav-menu .sub-menu a {
        padding-left: 36px !important;
        font-size: 15px !important;
        color: #666666 !important;
        font-weight: 400 !important;
    }
    
    .main-navigation .nav-menu .sub-menu a:hover,
    .main-navigation.active .nav-menu .sub-menu a:hover,
    .mobile-navigation .mobile-nav-menu .sub-menu a:hover,
    .mobile-navigation.active .mobile-nav-menu .sub-menu a:hover {
        color: #d4af37 !important;
        background: rgba(212, 175, 55, 0.08) !important;
    }
    
    .main-navigation .nav-menu .sub-menu .sub-menu a,
    .main-navigation.active .nav-menu .sub-menu .sub-menu a,
    .mobile-navigation .mobile-nav-menu .sub-menu .sub-menu a,
    .mobile-navigation.active .mobile-nav-menu .sub-menu .sub-menu a {
        padding-left: 52px !important;
        font-size: 14px !important;
    }
    
    /* 防止菜单打开时页面滚动 */
    body.menu-open {
        overflow: hidden;
    }
    
    /* 移动端菜单按钮激活状态 - 流畅的X动画 */
    .mobile-menu-toggle.active {
        transform: scale(1.05);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
        background: var(--primary-color);
        box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
        width: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
        background: var(--primary-color);
        box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
    }
    
    /* 移动端头部样式调整 */
    .header-main {
        position: relative;
        z-index: 1002;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 32px;
    }
    
    .slide-content p {
        font-size: 16px;
    }
    
    .business-grid,
    .cases-grid,
    .news-list {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .contact-layout {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-slider {
        height: 300px;
    }
    
    .slide-content h2 {
        font-size: 24px;
    }
    
    .slide-content p {
        font-size: 14px;
    }
    
    .slider-controls button {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    /* 小屏幕移动端菜单优化 */
    .main-navigation .nav-menu a,
    .main-navigation.active .nav-menu a,
    .mobile-navigation .mobile-nav-menu a,
    .mobile-navigation.active .mobile-nav-menu a {
        font-size: 15px !important;
        padding: 12px 15px !important;
    }
    
    .mobile-menu-toggle {
        padding: 6px;
    }
    
    .mobile-menu-toggle span {
        width: 22px;
        height: 2.5px;
    }
}

/* Hero Banner响应式 */
@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    

    
    .partners-slider {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-banner {
        height: 70vh;
        min-height: 500px;
    }
    
    .hero-text h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    

    
    .partners-slider {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 50px;
    }
    
    .timeline-year,
    .timeline-content {
        flex: 1;
        padding: 10px 0;
        text-align: left !important;
    }
    
    .timeline-item::after {
        left: 20px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 14px;
    }
    

    
    .partners-slider {
        grid-template-columns: repeat(2, 1fr);
    }
    

}

/* Logo响应式 */
@media (max-width: 768px) {
    .logo img,
    .custom-logo {
        max-height: 40px;
    }
    
    .site-title {
        font-size: 18px;
    }
    
    .logo-link {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .site-title {
        display: none; /* 移动端只显示Logo */
    }
}