/* ============================================================================
   智慧景区解决方案页（Home/SmartTourismIndex.cshtml）移动端专项优化
   ============================================================================ */

/* 超小屏优化（< 640px）*/
@media (max-width: 639px) {
    /* Hero区域优化 */
    .hero-section {
        min-height: auto;
        padding: 60px 0;
    }

    .hero-text h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-text h1 span {
        font-size: clamp(2.25rem, 9vw, 3.5rem);
    }

    .hero-text p {
        font-size: 1rem;
        margin-bottom: 24px;
    }

    /* 3D Dashboard - 移动端简化 */
    .hero-visual {
        height: 350px;
        perspective: 1500px;
    }

    .dashboard-layers {
        width: 100%;
        max-width: 400px;
        height: 350px;
        transform: rotateX(5deg) rotateY(-10deg);
    }

    .db-layer {
        height: 200px;
        padding: 16px;
    }

    .iot-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    /* 痛点网格 */
    .pain-points-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 解决方案架构 */
    .four-centers-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .middle-platform-grid {
        grid-template-columns: 1fr;
    }

    .hardware-scroll-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    /* 功能展示 */
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .fs-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* KPI网格 */
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .kpi-num {
        font-size: 1.5rem;
    }

    /* 时间线 */
    .timeline {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* 生态系统 */
    .ecosystem-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* 安全网格 */
    .security-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* 2024趋势 */
    .hw-card-modern,
    [style*="grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))"] {
        grid-template-columns: 1fr;
    }

    /* 成功案例 */
    [style*="grid-template-columns: repeat(auto-fit, minmax(320px, 1fr))"] {
        grid-template-columns: 1fr;
    }

    /* 按钮优化 */
    .hero-btns {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }

    .btn-glow {
        width: 100%;
        padding: 14px 24px;
        font-size: 1rem;
    }

    /* Section padding */
    .section-padding {
        padding: 50px 0;
    }

    /* Container */
    .container-custom {
        padding: 0 16px;
    }

    /* Pill标签 */
    .pill-grid {
        gap: 8px;
    }

    .pill {
        font-size: 0.85rem;
        padding: 8px 12px;
    }
}

/* 小屏优化（640px - 767px）*/
@media (min-width: 640px) and (max-width: 767px) {
    .pain-points-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .four-centers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

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

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

    .hero-visual {
        height: 400px;
    }
}

/* 平板优化（768px - 1023px）*/
@media (min-width: 768px) and (max-width: 1023px) {
    .hardware-scroll-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .feature-showcase {
        gap: 40px;
    }

    .ecosystem-grid {
        gap: 30px;
    }
}

/* 横屏优化（所有移动设备，orientation: landscape）*/
@media (max-width: 1024px) and (orientation: landscape) {
    .hero-section {
        padding: 40px 0;
    }

    .hero-text h1 {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
    }

    .hero-text h1 span {
        font-size: clamp(1.75rem, 5vw, 3rem);
    }

    .hero-visual {
        height: 300px;
    }

    .section-padding {
        padding: 40px 0;
    }

    .kpi-num {
        font-size: 1.5rem;
    }
}

/* 触摸设备优化（所有移动设备）*/
@media (hover: none) and (pointer: coarse) {
    /* 增大触摸目标 */
    .btn-glow,
    .tab-btn,
    .center-card,
    .faq-q {
        min-height: 48px;
        min-width: 48px;
    }

    /* 移除hover效果 */
    .pain-card:hover,
    .center-card:hover,
    .kpi-card:hover,
    .tl-step:hover,
    .eco-card:hover,
    .sec-card:hover,
    [style*="transform='translateY(-"],
    [style*="transform='translateY(0)'] {
        transform: none;
    }

    /* 使用active状态 */
    .pain-card:active,
    .center-card:active,
    .kpi-card:active {
        transform: translateY(-3px);
    }

    /* 3D Dashboard禁用3D变换（移动端性能）*/
    .dashboard-layers {
        transform: none;
        animation: none;
    }

    .db-layer {
        transform: none;
    }

    /* 禁用hover悬停效果 */
    .hero-visual:hover .db-layer.top,
    .hero-visual:hover .db-layer.middle,
    .hero-visual:hover .db-layer.bottom {
        transform: none;
        opacity: 1;
        filter: none;
    }
}

/* 低性能设备优化（减少动画）*/
@media (prefers-reduced-motion: reduce) {
    .aurora-bg,
    .float-dashboard,
    .animate-in,
    .animate-pulse {
        animation: none !important;
    }

    .data-flow-viz,
    .db-layer {
        transition: none;
    }

    .pain-card,
    .center-card,
    .kpi-card,
    .tl-step,
    .hw-card-modern {
        transition: none;
    }
}

/* FAQ移动端优化 */
@media (max-width: 767px) {
    .faq-q {
        font-size: 1rem;
        padding: 16px;
    }

    .faq-a {
        font-size: 0.95rem;
        padding: 16px;
    }

    .faq-wrap {
        max-width: 100%;
        padding: 0 16px;
    }
}

/* Tab controls移动端优化 */
@media (max-width: 767px) {
    .tab-controls {
        gap: 8px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
        flex: 1;
        text-align: center;
    }

    .tab-btn svg {
        margin-right: 4px;
    }
}

@media (max-width: 480px) {
    .tab-controls {
        flex-wrap: wrap;
    }

    .tab-btn {
        flex: 0 0 auto;
        min-width: calc(50% - 8px);
    }
}

/* CTA Footer移动端优化 */
@media (max-width: 767px) {
    .cta-footer {
        padding: 60px 16px;
        border-radius: 20px;
    }

    .cta-footer h2 {
        font-size: 2rem;
        margin-bottom: 16px;
    }

    .cta-footer p {
        font-size: 1rem;
        margin-bottom: 32px;
    }

    .cta-bg-circle {
        width: 300px;
        height: 300px;
        top: -80px;
        right: -80px;
    }
}

@media (max-width: 480px) {
    .cta-footer {
        padding: 48px 12px;
    }

    .cta-footer h2 {
        font-size: 1.75rem;
    }

    .cta-footer .cta-footer > div > div {
        flex-direction: column;
        gap: 12px;
    }

    .cta-footer a.btn-glow {
        width: 100%;
        margin-left: 0;
    }
}

/* 优化滚动条美化 */
@media (max-width: 767px) {
    .hardware-scroll-grid {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: #cbd5e1 #f1f5f9;
    }

    .hardware-scroll-grid::-webkit-scrollbar {
        width: 4px;
        height: 4px;
    }

    .hardware-scroll-grid::-webkit-scrollbar-track {
        background: #f1f5f9;
    }

    .hardware-scroll-grid::-webkit-scrollbar-thumb {
        background: #cbd5e1;
        border-radius: 2px;
    }

    .hardware-scroll-grid::-webkit-scrollbar-thumb:hover {
        background: #94a3b8;
    }
}

/* 图片优化 - 移动端加载性能 */
@media (max-width: 767px) {
    .fs-image-wrapper img,
    [src^="https://images.unsplash.com"] {
        max-width: 100%;
        height: auto;
    }

    [style*="height: 180px"] {
        min-height: 200px;
    }
}

/* 数字孪生景区卡片 */
@media (max-width: 639px) {
    [style*="grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))"] {
        grid-template-columns: 1fr;
    }

    [style*="display: grid; gap: 30px;"] {
        gap: 20px;
    }

    [style*="padding: 30px;"] {
        padding: 20px;
    }

    [style*="width: 60px; height: 60px;"] {
        width: 50px;
        height: 50px;
    }

    [style*="font-size: 1.5rem;"] {
        font-size: 1.25rem;
    }

    [style*="margin-bottom: 12px;"] {
        margin-bottom: 10px;
    }

    [style*="margin-bottom: 15px;"] {
        margin-bottom: 12px;
    }

    .pill-grid {
        flex-wrap: wrap;
    }

    .pill {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
}

/* 案例卡片 */
@media (max-width: 639px) {
    [style*="height: 180px;"] {
        min-height: 200px;
    }

    [style*="font-size: 1.25rem;"] {
        font-size: 1.1rem;
    }

    [style*="font-size: 0.95rem;"] {
        font-size: 0.9rem;
    }

    [style*="display: flex; gap: 20px;"] {
        flex-direction: column;
        gap: 12px;
    }
}

/* Section header优化 */
@media (max-width: 767px) {
    .section-header {
        padding: 0 16px;
        margin-bottom: 40px;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .section-tag {
        font-size: 0.85rem;
        padding: 4px 12px;
        margin-bottom: 12px;
    }
}

/* 字体加载优化（FOIT防止）*/
.font-loading .hero-text h1,
.font-loading .section-title,
.font-loading .kpi-num {
    font-family: system-ui, -apple-system, sans-serif;
}

/* 高对比度模式（辅助功能）*/
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000FF;
        --text-main: #000000;
        --text-secondary: #1a1a1a;
        --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .kpi-num {
        color: #000000;
        -webkit-text-fill-color: initial;
        text-fill-color: initial;
    }

    .text-gradient {
        -webkit-text-fill-color: initial;
        text-fill-color: initial;
    }
}

/* 深色模式准备（可扩展）*/
@media (prefers-color-scheme: dark) {
    /* 深色模式样式可以在这里添加 */
}

/* 骨架屏加载 */
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 优化动画性能 */
.pain-card,
.center-card,
.kpi-card,
.tl-step,
.hw-card-modern,
.faq-item {
    will-change: transform;
    backface-visibility: hidden;
}

/* 硬件列表移动端优化 */
@media (max-width: 767px) {
    .hardware-grid-modern {
        gap: 20px;
    }

    .hw-list {
        padding-left: 14px;
    }

    .hw-list li {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 8px;
    }
}

/* CTA按钮容器优化 */
@media (max-width: 767px) {
    .cta-footer > div {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .cta-footer h2 {
        font-size: 1.75rem;
    }
}