/* 响应式设计 */

/* 大屏幕 (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
    
    .hall-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 36px;
    }
}

/* 中等屏幕 (1200px - 1399px) */
@media (max-width: 1399px) {
    .dashboard-grid {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 20px;
    }
    
    .hall-title {
        font-size: 32px;
    }
    
    .trading-hall-3d {
        padding: 30px;
    }
}

/* 平板横屏 (992px - 1199px) */
@media (max-width: 1199px) {
    .container {
        padding: 0 15px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .main-panel {
        min-height: 400px;
    }
    
    .data-sidebar,
    .action-sidebar {
        min-height: auto;
    }
    
    .market-ticker {
        gap: 16px;
    }
    
    .ticker-item {
        font-size: 13px;
    }
    
    .live-stats {
        gap: 16px;
    }
    
    .stat-item {
        font-size: 13px;
    }
    
    .function-tiles {
        gap: 16px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 24px;
        /* 确保瀑布流在不同屏幕尺寸下稳定 */
        transform: none !important;
        will-change: auto;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .phone-frame {
        width: 200px;
        height: 400px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 16px;
    }
}

/* 平板竖屏 (768px - 991px) */
@media (max-width: 991px) {
    .main-content {
        margin-top: 140px;
    }
    
    .hero-dashboard {
        padding: 40px 0;
    }
    
    .navbar {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .brand-section {
        order: -1;
        flex: 1 1 100%;
        margin-bottom: 16px;
    }
    
    .brand-title {
        font-size: 18px;
    }
    
    .market-ticker {
        flex: 1;
        justify-content: flex-start;
    }
    
    .live-stats {
        flex: 1;
        justify-content: flex-end;
    }
    
    .function-tiles {
        justify-content: center;
        padding: 16px 0;
    }
    
    .hall-title {
        font-size: 28px;
    }
    
    .hall-subtitle {
        font-size: 16px;
    }
    
    .trading-hall-3d {
        padding: 24px;
    }
    
    .orderbook-preview {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .card-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .user-selector {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .panel-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: center;
        padding: 0 20px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd) .timeline-year::after,
    .timeline-item:nth-child(even) .timeline-year::after {
        display: none;
    }
    
    .timeline-content {
        max-width: 100%;
    }
    
    .trust-badges {
        gap: 20px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        /* 确保用户评价网格在移动端稳定 */
        transform: none !important;
        will-change: auto;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .cta-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .progress-indicator {
        max-width: 100%;
    }
}

/* 手机横屏 (576px - 767px) */
@media (max-width: 767px) {
    .main-content {
        margin-top: 160px;
    }
    
    .navbar {
        position: relative;
    }
    
    .mobile-menu-btn {
        display: flex;
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .market-ticker,
    .live-stats {
        display: none;
    }
    
    .function-tiles {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(13, 27, 54, 0.98);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255, 107, 0, 0.2);
        flex-direction: column;
        padding: 20px;
        z-index: 1000;
    }
    
    .function-tiles.active {
        display: flex;
    }
    
    .brand-title {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .hall-title {
        font-size: 24px;
    }
    
    .hall-subtitle {
        font-size: 14px;
    }
    
    .trading-hall-3d {
        padding: 20px;
    }
    
    .pair-header {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .pair-name {
        font-size: 16px;
    }
    
    .pair-price {
        font-size: 20px;
    }
    
    .advantages-section,
    .personalized-section,
    .app-download-section,
    .trust-timeline,
    .testimonials-section {
        padding: 60px 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card {
        padding: 20px;
        /* 确保瀑布流卡片稳定 */
        transform: translateZ(0) !important;
        will-change: transform;
        backface-visibility: hidden;
    }
    
    .card-icon img {
        width: 48px;
        height: 48px;
    }
    
    .card-title {
        font-size: 18px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    .user-selector {
        gap: 12px;
    }
    
    .selector-option {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .feature-item {
        padding: 30px 20px;
    }
    
    .feature-item img {
        width: 48px;
        height: 48px;
    }
    
    .feature-item h3 {
        font-size: 18px;
    }
    
    .platform-buttons {
        gap: 12px;
    }
    
    .platform-btn {
        padding: 16px 20px;
        gap: 16px;
    }
    
    .platform-btn img {
        width: 40px;
        height: 40px;
    }
    
    .btn-content h4 {
        font-size: 16px;
    }
    
    .qr-code {
        width: 100px;
        height: 100px;
    }
    
    .download-features {
        flex-direction: column;
        gap: 12px;
    }
    
    .timeline {
        margin-bottom: 40px;
    }
    
    .timeline::before {
        left: 16px;
    }
    
    .timeline-item {
        margin-bottom: 40px;
        padding-left: 40px;
        text-align: left;
    }
    
    .timeline-year {
        font-size: 14px;
        padding: 6px 12px;
        margin-bottom: 16px;
    }
    
    .timeline-content h3 {
        font-size: 18px;
    }
    
    .badge-item {
        padding: 16px;
    }
    
    .badge-item img {
        width: 48px;
        height: 48px;
    }
    
    .testimonial-card {
        padding: 30px 20px;
    }
    
    .user-avatar {
        width: 60px;
        height: 60px;
    }
    
    .user-name {
        font-size: 16px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        /* 确保友情链接网格在移动端稳定 */
        transform: none !important;
        will-change: auto;
    }
    
    .partner-link {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-section h3 {
        font-size: 16px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }
    
    .quick-register-btn,
    .skip-tutorial-btn {
        width: 100%;
        padding: 14px 24px;
    }
}

/* 小屏手机 (480px - 575px) */
@media (max-width: 575px) {
    .container {
        padding: 0 12px;
    }
    
    .main-content {
        margin-top: 140px;
    }
    
    .hero-dashboard {
        padding: 30px 0;
    }
    
    .glass-panel {
        padding: 16px;
        border-radius: 12px;
    }
    
    .brand-title {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 20px;
        margin-bottom: 40px;
    }
    
    .hall-title {
        font-size: 20px;
    }
    
    .trading-hall-3d {
        padding: 16px;
    }
    
    .trading-pair-display {
        padding: 16px;
    }
    
    .orderbook-side {
        padding: 8px;
    }
    
    .order-row {
        font-size: 12px;
    }
    
    .sidebar-title {
        font-size: 16px;
        margin-bottom: 16px;
    }
    
    .coin-item {
        padding: 6px 8px;
        font-size: 13px;
    }
    
    .ratio-display,
    .index-gauge {
        padding: 12px;
    }
    
    .gauge-value {
        font-size: 24px;
    }
    
    .primary-cta {
        padding: 14px 20px;
    }
    
    .cta-text {
        font-size: 16px;
    }
    
    .cta-bonus {
        font-size: 13px;
    }
    
    .download-badge {
        padding: 10px 12px;
        gap: 8px;
        font-size: 13px;
    }
    
    .download-badge img {
        width: 20px;
        height: 20px;
    }
    
    .online-traders {
        padding: 12px;
    }
    
    .traders-count .count {
        font-size: 20px;
    }
    
    .advantages-section,
    .personalized-section,
    .app-download-section,
    .trust-timeline,
    .testimonials-section {
        padding: 40px 0;
    }
    
    .advantage-card {
        padding: 16px;
        /* 小屏幕优化：防止瀑布流滚动异常 */
        transform: translateZ(0) !important;
        will-change: auto;
        backface-visibility: hidden;
    }
    
    .card-icon img {
        width: 40px;
        height: 40px;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .stat-label {
        font-size: 11px;
    }
    
    .selector-option {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .selector-option input[type="radio"] {
        width: 16px;
        height: 16px;
    }
    
    .feature-item {
        padding: 24px 16px;
    }
    
    .feature-item img {
        width: 40px;
        height: 40px;
    }
    
    .feature-item h3 {
        font-size: 16px;
    }
    
    .feature-item p {
        font-size: 14px;
    }
    
    .feature-link {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .phone-frame {
        width: 180px;
        height: 360px;
        padding: 16px;
    }
    
    .download-options h3 {
        font-size: 20px;
        margin-bottom: 24px;
    }
    
    .platform-btn {
        padding: 12px 16px;
        gap: 12px;
    }
    
    .platform-btn img {
        width: 36px;
        height: 36px;
    }
    
    .btn-content h4 {
        font-size: 14px;
    }
    
    .btn-content p {
        font-size: 12px;
    }
    
    .qr-section {
        padding: 16px;
    }
    
    .qr-code {
        width: 80px;
        height: 80px;
    }
    
    .timeline-item {
        padding-left: 32px;
    }
    
    .timeline::before {
        left: 12px;
    }
    
    .timeline-year {
        font-size: 12px;
        padding: 4px 8px;
    }
    
    .timeline-content h3 {
        font-size: 16px;
    }
    
    .timeline-content p {
        font-size: 14px;
    }
    
    .badge-item {
        padding: 12px;
    }
    
    .badge-item img {
        width: 40px;
        height: 40px;
    }
    
    .badge-item span {
        font-size: 12px;
    }
    
    .testimonial-card {
        padding: 24px 16px;
    }
    
    .user-avatar {
        width: 50px;
        height: 50px;
    }
    
    .user-name {
        font-size: 14px;
    }
    
    .user-role {
        font-size: 12px;
    }
    
    .testimonial-text {
        font-size: 14px;
    }
    
    .partners-section {
        padding: 40px 0;
    }
    
    .partners-grid {
        gap: 8px;
    }
    
    .partner-link {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .bottom-cta-bar {
        padding: 12px 0;
    }
    
    .progress-text {
        font-size: 12px;
    }
    
    .quick-register-btn,
    .skip-tutorial-btn {
        padding: 12px 20px;
        font-size: 13px;
    }
    
    .footer {
        padding: 30px 0 16px;
    }
    
    .footer-section h3 {
        font-size: 14px;
        margin-bottom: 16px;
    }
    
    .footer-section p,
    .footer-section ul li a {
        font-size: 13px;
    }
    
    .license-badges img {
        height: 30px;
    }
    
    .copyright {
        font-size: 12px;
    }
}

/* 超小屏手机 (最大479px) */
@media (max-width: 479px) {
    .container {
        padding: 0 10px;
    }
    
    .glass-panel {
        padding: 12px;
        border-radius: 8px;
    }
    
    .section-title {
        font-size: 18px;
        margin-bottom: 30px;
    }
    
    .hall-title {
        font-size: 18px;
    }
    
    .hall-subtitle {
        font-size: 13px;
    }
    
    .trading-hall-3d {
        padding: 12px;
    }
    
    .pair-name {
        font-size: 14px;
    }
    
    .pair-price {
        font-size: 18px;
    }
    
    .primary-cta {
        padding: 12px 16px;
    }
    
    .cta-text {
        font-size: 14px;
    }
    
    .cta-bonus {
        font-size: 12px;
    }
    
    .advantage-card,
    .feature-item,
    .testimonial-card {
        padding: 12px;
    }
    
    .card-icon img,
    .feature-item img {
        width: 36px;
        height: 36px;
    }
    
    .card-title,
    .feature-item h3 {
        font-size: 14px;
    }
    
    .stat-value {
        font-size: 16px;
    }
    
    .phone-frame {
        width: 160px;
        height: 320px;
        padding: 12px;
    }
    
    .platform-btn {
        padding: 10px 12px;
        gap: 10px;
    }
    
    .platform-btn img {
        width: 32px;
        height: 32px;
    }
    
    .btn-content h4 {
        font-size: 13px;
    }
    
    .btn-content p {
        font-size: 11px;
    }
    
    .qr-code {
        width: 70px;
        height: 70px;
    }
    
    .timeline-item {
        padding-left: 28px;
        margin-bottom: 30px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .badge-item img {
        width: 36px;
        height: 36px;
    }
    
    .user-avatar {
        width: 40px;
        height: 40px;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-section h3 {
        font-size: 13px;
    }
    
    .footer-section p,
    .footer-section ul li a {
        font-size: 12px;
    }
}

/* 高度适配 */
@media (max-height: 600px) {
    .main-content {
        margin-top: 100px;
    }
    
    .hero-dashboard {
        padding: 20px 0;
    }
    
    .main-panel {
        min-height: 300px;
    }
    
    .advantages-section,
    .personalized-section,
    .app-download-section,
    .trust-timeline,
    .testimonials-section {
        padding: 40px 0;
    }
}

/* 横屏模式 */
@media (orientation: landscape) and (max-height: 500px) {
    .main-content {
        margin-top: 80px;
    }
    
    .hero-dashboard {
        padding: 20px 0;
    }
    
    .hall-title {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .advantages-section,
    .personalized-section,
    .app-download-section,
    .trust-timeline,
    .testimonials-section {
        padding: 30px 0;
    }
}

/* 打印样式 */
@media print {
    .header-terminal,
    .bottom-cta-bar,
    .mobile-menu-btn,
    .function-tiles,
    .primary-cta,
    .download-badges,
    .platform-buttons,
    .cta-buttons {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .glass-panel {
        background: #ffffff;
        color: #000000;
        border: 1px solid #cccccc;
    }
    
    body {
        background: #ffffff;
        color: #000000;
    }
    
    .section-title,
    .hall-title,
    .card-title {
        color: #000000;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .glass-panel {
        background: rgba(255, 255, 255, 0.15);
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .tile,
    .download-badge,
    .platform-btn,
    .partner-link {
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .primary-cta,
    .quick-register-btn {
        border: 2px solid #ffffff;
    }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .pulse-effect {
        animation: none;
    }
    
    .progress-fill {
        animation: none;
    }
}

/* 深色主题优化 */
@media (prefers-color-scheme: dark) {
    /* 已经是深色主题，保持现有样式 */
}

/* 浅色主题适配 */
@media (prefers-color-scheme: light) {
    body {
        background: #f8f9fa;
        color: #333333;
    }
    
    .glass-panel {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid rgba(0, 0, 0, 0.1);
        color: #333333;
    }
    
    .header-terminal {
        background: rgba(255, 255, 255, 0.95);
        color: #333333;
    }
    
    .bottom-cta-bar {
        background: rgba(255, 255, 255, 0.95);
        color: #333333;
    }
} 

/* 平台介绍区域响应式 */
@media (max-width: 1024px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .intro-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regulatory-badges {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .platform-intro-section {
        padding: 60px 0;
    }
    
    .intro-main {
        padding: 30px 20px;
    }
    
    .intro-title {
        font-size: 1.5rem;
    }
    
    .intro-highlights {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .regulatory-info {
        padding: 25px 20px;
    }
    
    .regulatory-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .regulatory-item img {
        width: 35px;
        height: 35px;
    }
}

/* 常见问题响应式 */
@media (max-width: 1024px) {
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .faq-section {
        padding: 60px 0;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .faq-item {
        padding: 20px;
    }
    
    .faq-question {
        font-size: 1rem;
    }
    
    .faq-answer {
        font-size: 0.9rem;
    }
}

/* 用户统计响应式 */
@media (max-width: 1024px) {
    .user-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .user-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 30px 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .user-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
}

/* APP下载区域响应式增强 */
@media (max-width: 768px) {
    .app-advantages {
        margin-top: 25px;
        padding: 20px;
    }
    
    .app-advantages h4 {
        font-size: 1rem;
    }
    
    .app-advantages li {
        font-size: 0.9rem;
        padding: 6px 0;
    }
    
    .download-description p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .app-advantages ul {
        margin: 0;
    }
    
    .app-advantages li {
        font-size: 0.85rem;
        padding: 5px 0;
        padding-left: 18px;
    }
}

/* 页脚响应式增强 */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    .footer-section:last-child {
        grid-column: span 3;
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .footer-section:last-child {
        grid-column: span 2;
    }
    
    .footer-stats {
        justify-content: center;
        gap: 10px;
    }
    
    .footer-downloads {
        gap: 12px;
    }
    
    .footer-download-btn {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .footer-keywords {
        padding-top: 15px;
        margin-top: 15px;
    }
    
    .keywords-note {
        font-size: 0.8rem;
        text-align: center;
    }
    
    .compliance-text {
        font-size: 0.85rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-section:last-child {
        grid-column: span 1;
    }
    
    .footer-stats {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    
    .footer-stats span {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    .risk-warning {
        font-size: 0.75rem;
        padding: 12px;
    }
    
    .keywords-note {
        font-size: 0.75rem;
    }
}

/* 优势卡片响应式增强 */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .advantages-section {
        padding: 60px 0;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .card-icon {
        width: 70px;
        height: 70px;
        margin: 0 auto 15px;
    }
    
    .card-icon img {
        width: 35px;
        height: 35px;
    }
    
    .card-title {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .card-stats {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .card-description {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 15px;
    }
    
    .card-highlight {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .advantage-card {
        padding: 20px 15px;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 12px;
    }
    
    .card-icon img {
        width: 30px;
        height: 30px;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    .stat-value {
        font-size: 1.2rem;
    }
    
    .card-description {
        font-size: 0.85rem;
    }
}

/* 用户评价卡片响应式增强 */
@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonial-card {
        padding: 25px 20px;
    }
    
    .user-name {
        font-size: 1rem;
    }
    
    .user-role {
        font-size: 0.85rem;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .verified-badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .testimonial-card {
        padding: 20px 15px;
    }
    
    .user-avatar img {
        width: 50px;
        height: 50px;
    }
    
    .testimonial-text {
        font-size: 0.85rem;
    }
    
    .rating {
        font-size: 0.9rem;
    }
    
    .rating-text {
        font-size: 0.8rem;
    }
}

/* 通用响应式改进 */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
    
    .section-description {
        font-size: 1rem;
        margin: 0 auto 40px;
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }
    
    .section-description {
        font-size: 0.9rem;
        line-height: 1.5;
        margin: 0 auto 30px;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* 玻璃态效果响应式优化 */
@media (max-width: 768px) {
    .glass-panel {
        backdrop-filter: blur(8px);
        border-radius: 15px;
    }
}

@media (max-width: 480px) {
    .glass-panel {
        backdrop-filter: blur(6px);
        border-radius: 12px;
    }
} 

/* 底部行动栏响应式 */
@media (max-width: 768px) {
    .bottom-cta-bar {
        padding: 12px 0;
        z-index: 1000;
    }
    
    .cta-content {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .progress-indicator {
        max-width: 100%;
        order: 2;
    }
    
    .cta-buttons {
        order: 1;
        justify-content: center;
    }
    
    .quick-register-btn,
    .skip-tutorial-btn {
        padding: 10px 20px;
        font-size: 13px;
        flex: 1;
        min-width: 120px;
    }
    
    /* 页脚在移动端的适配 */
    .footer {
        padding: 40px 0 100px; /* 移动端底部padding */
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .compliance-info {
        min-width: auto;
        order: 2;
    }
    
    .copyright {
        min-width: auto;
        text-align: center;
        order: 1;
    }
    
    .license-badges {
        justify-content: center;
        margin-bottom: 15px;
    }
    
    .license-badges img {
        height: 35px;
    }
}

@media (max-width: 480px) {
    .bottom-cta-bar {
        padding: 10px 0;
    }
    
    .cta-buttons {
        gap: 10px;
    }
    
    .quick-register-btn,
    .skip-tutorial-btn {
        padding: 8px 16px;
        font-size: 12px;
        min-width: 100px;
    }
    
    .progress-text {
        font-size: 12px;
    }
    
    .progress-bar {
        height: 3px;
    }
    
    /* 页脚在小屏幕上的适配 */
    .footer {
        padding: 30px 0 90px;
    }
    
    .license-badges {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .license-badges img {
        height: 30px;
    }
    
    .copyright {
        font-size: 12px;
    }
    
    .risk-warning {
        font-size: 11px;
        padding: 10px;
        margin-top: 10px;
    }
}

/* 修复头部导航的z-index层级 */
@media (max-width: 768px) {
    .header-terminal {
        z-index: 1001; /* 确保头部导航在底部行动栏之上 */
    }
    
    .mobile-menu-btn {
        z-index: 1002;
    }
}

/* 防止内容与固定元素重叠 */
@media (max-width: 768px) {
    .main-content {
        margin-bottom: 20px; /* 为底部行动栏留出空间 */
    }
    
    section:last-child {
        margin-bottom: 20px;
    }
}

/* 滚动时的性能优化 */
@media (max-width: 768px) {
    .glass-panel {
        backdrop-filter: blur(8px); /* 减少移动端的模糊效果以提升性能 */
        will-change: transform; /* 优化动画性能 */
    }
    
    .advantage-card:hover,
    .testimonial-card:hover,
    .faq-item:hover {
        transform: none; /* 移动端禁用hover变换以避免意外触发 */
    }
}

@media (max-width: 480px) {
    .glass-panel {
        backdrop-filter: blur(6px);
    }
    
    /* 简化动画以提升性能 */
    .animate-slide-up,
    .animate-slide-right,
    .animate-slide-left {
        animation: none;
    }
    
    .progress-fill {
        animation-duration: 30s; /* 缩短动画时间 */
    }
}