/* 响应式设计样式 */
@media (max-width: 1200px) {
    .container {
        max-width: 992px;
    }
    
    .banner-content h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 768px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-list {
        gap: 20px;
    }
    
    .banner-content h2 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }+
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .access-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 576px;
        padding: 0 15px;
    }
    
    .header .container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: #333;
    }
    
    .banner {
        padding: 60px 0;
    }
    
    .carousel-container {
        height: 400px;
    }
    
    .carousel-slide .slide-content {
        padding: 30px;
    }
    
    .carousel-slide .slide-content h2 {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }
    
    .carousel-slide .slide-content p {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }
    
    .banner-content h2 {
        font-size: 2rem;
    }
    
    .banner-content p {
        font-size: 1.1rem;
    }
    
    .banner-actions {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .services,
    .quick-access,
    .news {
        padding: 60px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .access-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .news-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-info {
        flex-direction: column;
        gap: 12px;
    }
    
    .footer-company {
        font-size: 0.95rem;
    }
    
    .footer-link,
    .footer-copyright,
    .footer-filing {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .header .container {
        padding: 10px 15px;
    }
    
    .mobile-menu-btn {
        font-size: 1.3rem;
        padding: 8px;
    }
    
    .banner {
        padding: 30px 0;
        min-height: 50vh;
    }
    
    .carousel-container {
        height: 300px;
    }
    
    .carousel-slide .slide-content {
        padding: 20px;
    }
    
    .carousel-slide .slide-content h2 {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }
    
    .carousel-slide .slide-content p {
        font-size: 0.95rem;
        margin-bottom: 15px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .carousel-controls {
        bottom: 15px;
    }
    
    .carousel-prev,
    .carousel-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .carousel-indicators {
        bottom: 20px;
    }
    
    .carousel-indicator {
        width: 8px;
        height: 8px;
        margin: 0 4px;
    }
    
    .carousel-progress {
        bottom: 10px;
        left: 20px;
        right: 20px;
        height: 3px;
    }
    
    .banner-content h2 {
        font-size: 1.6rem;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .banner-content p {
        font-size: 0.95rem;
        line-height: 1.5;
        margin-bottom: 25px;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
    
    .services,
    .quick-access,
    .news {
        padding: 30px 0;
    }
    
    .service-card {
        padding: 25px 15px;
        margin-bottom: 15px;
    }
    
    .service-icon {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .service-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .access-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .access-item {
        padding: 20px 15px;
        min-height: 80px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        cursor: pointer;
    }
    
    .access-icon {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .access-item span {
        font-size: 0.9rem;
        font-weight: 500;
    }
    
    .news-item {
        padding: 18px;
        margin-bottom: 15px;
    }
    
    .news-date {
        font-size: 0.8rem;
        margin-bottom: 8px;
    }
    
    .news-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .news-summary {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-login {
        padding: 12px 24px;
        font-size: 14px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .banner-actions {
        gap: 12px;
    }
    
    .footer {
        padding: 25px 0;
    }
    
    .footer .container {
        gap: 14px;
    }
    
    .footer-info {
        gap: 10px;
    }
    
    .footer-company {
        font-size: 0.9rem;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 6px;
    }
    
    .footer-link,
    .footer-copyright,
    .footer-filing {
        font-size: 0.8rem;
    }
    
    .footer-divider {
        display: none;
    }
}

/* 超小屏幕设备优化 */
@media (max-width: 375px) {
    .container {
        padding: 0 12px;
    }
    
    .banner-content h2 {
        font-size: 1.4rem;
    }
    
    .banner-content p {
        font-size: 0.9rem;
    }
    
    .service-card {
        padding: 20px 12px;
    }
    
    .access-item {
        padding: 18px 12px;
        min-height: 70px;
    }
    
    .access-icon {
        font-size: 1.6rem;
    }
    
    .news-item {
        padding: 15px;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-login {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* 横屏手机优化 */
@media (max-width: 576px) and (orientation: landscape) {
    .banner {
        min-height: 60vh;
        padding: 20px 0;
    }
    
    .carousel-container {
        height: 250px;
    }
    
    .carousel-slide .slide-content {
        padding: 20px;
    }
    
    .carousel-slide .slide-content h2 {
        font-size: 1.4rem;
    }
    
    .carousel-slide .slide-content p {
        -webkit-line-clamp: 2;
    }
    
    .banner-content h2 {
        font-size: 1.4rem;
    }
    
    .services-grid,
    .access-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}

/* 移动端菜单样式 */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    height: 100vh;
    background: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    z-index: 2000;
    padding: 60px 20px 20px;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu .nav-list {
    flex-direction: column;
    gap: 15px;
}

.mobile-menu .nav-list a {
    display: block;
    padding: 12px 15px;
    border-radius: 6px;
    font-size: 1.1rem;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    display: none;
}

.menu-overlay.active {
    display: block;
}

.mobile-menu-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 15px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

/* 平板设备优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .access-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 高分辨率屏幕优化 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .banner-actions {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .container {
        max-width: none;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #ffffff;
        --card-bg: #2d2d2d;
        --border-color: #404040;
    }
    
    body {
        background-color: var(--bg-color);
        color: var(--text-color);
    }
    
    .header {
        background: var(--card-bg);
    }
    
    .service-card,
    .access-item,
    .news-item {
        background: var(--card-bg);
        border-color: var(--border-color);
    }
    
    .quick-access {
        background: var(--bg-color);
    }
    
    .nav-list a {
        color: var(--text-color);
    }
    
    .service-card p,
    .news-summary {
        color: #cccccc;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .service-card:hover,
    .access-item:hover,
    .news-item:hover {
        transform: none;
    }
    
    .btn-primary:hover,
    .btn-secondary:hover,
    .btn-login:hover {
        transform: none;
    }
    
    /* 触摸设备专用样式 */
    .service-card,
    .access-item,
    .news-item {
        -webkit-tap-highlight-color: transparent;
        cursor: pointer;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-login {
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.3);
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
}

/* 移动端触摸优化 */
@media (max-width: 768px) {
    /* 确保触摸目标最小尺寸 */
    .nav-list a,
    .access-item,
    .btn-primary,
    .btn-secondary,
    .btn-login,
    .carousel-prev,
    .carousel-next,
    .carousel-indicator {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .carousel-indicator {
        min-height: 12px;
        min-width: 12px;
    }
    
    /* 移除默认触摸高亮 */
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 按钮触摸反馈 */
    .btn-primary:active,
    .btn-secondary:active,
    .btn-login:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* 卡片触摸反馈 */
    .service-card:active,
    .access-item:active,
    .news-item:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* 轮播图控制按钮触摸反馈 */
    .carousel-prev:active,
    .carousel-next:active {
        transform: scale(0.9);
        transition: transform 0.1s ease;
    }
    
    /* 改善滚动性能 */
    .container {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 轮播图触摸滑动优化 */
    .carousel-container {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
        touch-action: pan-y;
    }
    
    .carousel-slide {
        -webkit-user-drag: none;
        -khtml-user-drag: none;
        -moz-user-drag: none;
        -o-user-drag: none;
        user-drag: none;
    }
}

/* 高DPI屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .service-icon,
    .access-icon {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 防止缩放 */
@media (max-width: 576px) {
    input,
    select,
    textarea {
        font-size: 16px; /* 防止iOS缩放 */
    }
}

/* 安全区域支持（iPhone X及以上） */
@supports (padding: max(0px)) {
    .container {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
    
    .header .container {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
}

/* 减少动画（适用于偏好减少动画的用户） */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}