/* ====================== CSS 变量系统 ====================== */
    :root {
        /* 品牌配色 */
        --primary-color: #5B57E7;
        --secondary-color: #000000;
        --third-color: #676767;
        --body_bg-color: #fff;
        --gradient-color-from: #A493FF;
        --gradient-color-center: #5B57E7;
        --gradient-color-to: #72BEF9;

        /* AI科技风格配色 */
        --primary-purple: #5B57E7;
        --primary-blue: #72BEF9;
        --primary-cyan: #06B6D4;
        --primary-pink: #EC4899;
        --accent-violet: #A493FF;
        --accent-indigo: #5B57E7;

        /* 渐变色 - 使用品牌渐变 */
        --grad-ai: linear-gradient(90deg, var(--gradient-color-from), var(--gradient-color-center), var(--gradient-color-to));
        --grad-tech: linear-gradient(135deg, #A493FF 0%, #5B57E7 50%, #72BEF9 100%);
        --grad-soft: linear-gradient(135deg, rgba(164, 147, 255, 0.05) 0%, rgba(114, 190, 249, 0.05) 100%);

        /* 背景 */
        --bg-primary: #FFFFFF;
        --bg-secondary: #F8FAFC;
        --bg-card: #FFFFFF;

        /* 文字 */
        --text-primary: #0F172A;
        --text-secondary: #475569;
        --text-muted: #94A3B8;

        /* 阴影 - 长投影风格 */
        --shadow-float: 0 20px 60px rgba(91, 87, 231, 0.15);
        --shadow-lift: 0 30px 80px rgba(114, 190, 249, 0.2);
        --shadow-card: 0 10px 40px rgba(91, 87, 231, 0.12);
        --shadow-hover: 0 40px 100px rgba(114, 190, 249, 0.25);

        /* 动画 */
        --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
        --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
        --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    }

    
    /* ====================== 低多边形背景 ====================== */
    .poly-bg {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -2;
        background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 50%, #F8FAFC 100%);
    }

    .poly-bg canvas {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0.4;
    }

    /* ====================== 装饰网格 ====================== */
    .grid-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        opacity: 0.03;
        background-image:
            linear-gradient(rgba(123, 97, 255, 0.1) 1px, transparent 1px),
            linear-gradient(90deg, rgba(123, 97, 255, 0.1) 1px, transparent 1px);
        background-size: 60px 60px;
        pointer-events: none;
    }

    /* ====================== 视差滚动动画 ====================== */
    .fade-in-up {
        opacity: 0;
        transform: translateY(60px);
        transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    }

    .fade-in-up.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .stagger-1 { transition-delay: 0s; }
    .stagger-2 { transition-delay: 0.1s; }
    .stagger-3 { transition-delay: 0.2s; }
    .stagger-4 { transition-delay: 0.3s; }
    .stagger-5 { transition-delay: 0.4s; }


    /* ====================== 容器 ====================== */
    .container {
        max-width: 1280px;
        margin: 0 auto;
    }

    /* ====================== Hero 区域 - 不对称布局 ====================== */
    .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        position: relative;
        overflow: hidden;
    }

    /* 背景装饰球 */
    .hero-orb {
        position: absolute;
        border-radius: 50%;
        filter: blur(100px);
        opacity: 0.3;
        z-index: 0;
        animation: float 20s ease-in-out infinite;
    }

    .orb-1 {
        top: 10%;
        left: 5%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(123, 97, 255, 0.4) 0%, transparent 70%);
    }

    .orb-2 {
        bottom: 15%;
        right: 10%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
        animation-delay: -10s;
    }

    @keyframes float {
        0%, 100% { transform: translate(0, 0) scale(1); }
        25% { transform: translate(20px, -30px) scale(1.1); }
        50% { transform: translate(-20px, 20px) scale(0.9); }
        75% { transform: translate(30px, 10px) scale(1.05); }
    }

    .hero-container {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: center;
    }

    /* 左侧内容 */
    .hero-content {
        max-width: 580px;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        background: linear-gradient(135deg, rgba(123, 97, 255, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
        border: 1px solid rgba(123, 97, 255, 0.2);
        border-radius: 50px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary-purple);
        margin-bottom: 28px;
        backdrop-filter: blur(10px);
    }

    .badge-icon {
        width: 20px;
        height: 20px;
        background: var(--grad-ai);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 12px;
    }

    .hero-title {
        font-size: 58px;
        font-weight: 800;
        line-height: 1.15;
        letter-spacing: -0.03em;
        margin-bottom: 24px;
        background: linear-gradient(135deg, #0F172A 0%, #475569 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-title .highlight {
        background: var(--grad-tech);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        position: relative;
    }

    .hero-subtitle {
        font-size: 18px;
        line-height: 1.8;
        color: var(--text-secondary);
        margin-bottom: 40px;
    }

    .hero-cta {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* 右侧视觉图 - 2.5D风格 */
    .hero-visual {
        position: relative;
        height: 600px;
    }

    .visual-card {
        position: absolute;
        background: white;
        border-radius: 20px;
        box-shadow: var(--shadow-float);
        padding: 24px;
        transition: all 0.4s var(--ease-out);
        border: 1px solid rgba(123, 97, 255, 0.1);
    }

    .visual-card:hover {
        box-shadow: var(--shadow-hover);
    }

    /* 主卡片 - 数据看板 - 重新设计 */
    .card-dashboard {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) rotate(-5deg);
        width: 420px;
        z-index: 3;
        background: linear-gradient(135deg, #FFFFFF 0%, #FAFBFF 100%);
        padding: 32px;
    }

    .dashboard-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 24px;
        padding-bottom: 16px;
        border-bottom: 1px solid rgba(164, 147, 255, 0.1);
    }

    .dashboard-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
    }

    .dashboard-status {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        background: linear-gradient(135deg, rgba(164, 147, 255, 0.1) 0%, rgba(114, 190, 249, 0.1) 100%);
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        color: var(--primary-color);
    }

    .status-dot {
        width: 6px;
        height: 6px;
        background: var(--grad-ai);
        border-radius: 50%;
        animation: pulse-dot 2s ease-in-out infinite;
    }

    @keyframes pulse-dot {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.6; transform: scale(1.3); }
    }

    .dashboard-metrics {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 20px;
    }

    .metric-item {
        background: linear-gradient(135deg, rgba(164, 147, 255, 0.08) 0%, rgba(114, 190, 249, 0.08) 100%);
        padding: 20px 16px;
        border-radius: 16px;
        border: 1px solid rgba(164, 147, 255, 0.15);
        position: relative;
        overflow: hidden;
    }

    .metric-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: var(--grad-ai);
        opacity: 0;
        transition: opacity 0.3s;
    }

    .metric-item:hover::before {
        opacity: 1;
    }

    .metric-value {
        font-size: 28px;
        font-weight: 800;
        background: var(--grad-ai);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        margin-bottom: 4px;
        line-height: 1.2;
    }

    .metric-label {
        font-size: 13px;
        color: var(--text-secondary);
        font-weight: 500;
    }

    .dashboard-chart {
        height: 140px;
        background: linear-gradient(180deg, rgba(164, 147, 255, 0.08) 0%, transparent 100%);
        border-radius: 16px;
        position: relative;
        overflow: hidden;
        padding: 16px;
    }

    .chart-label {
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 12px;
        font-weight: 600;
    }

    .chart-bars {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        height: 100%;
        gap: 8px;
    }

    .chart-bar {
        flex: 1;
        background: var(--grad-ai);
        border-radius: 6px 6px 0 0;
        animation: grow 2s var(--ease-out) infinite;
        position: relative;
        box-shadow: 0 -4px 12px rgba(164, 147, 255, 0.2);
    }

    .bar-1 { height: 35%; animation-delay: 0s; }
    .bar-2 { height: 58%; animation-delay: 0.15s; }
    .bar-3 { height: 75%; animation-delay: 0.3s; }
    .bar-4 { height: 52%; animation-delay: 0.45s; }
    .bar-5 { height: 88%; animation-delay: 0.6s; }
    .bar-6 { height: 68%; animation-delay: 0.75s; }

    @keyframes grow {
        0%, 100% { transform: scaleY(1); opacity: 0.85; }
        50% { transform: scaleY(1.08); opacity: 1; }
    }

    /* 装饰卡片 */
    .card-ai-icon {
        top: 10%;
        left: 5%;
        width: 100px;
        height: 100px;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #A493FF 0%, #5B57E7 100%);
        animation: pulse 3s ease-in-out infinite;
    }

    .card-ai-icon svg {
        width: 50px;
        height: 50px;
        color: white;
    }

    @keyframes pulse {
        0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(91, 87, 231, 0.4); }
        50% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(91, 87, 231, 0); }
    }

    .card-stats {
        bottom: 15%;
        right: 5%;
        width: 180px;
        z-index: 2;
        background: linear-gradient(135deg, #EC4899 0%, #A493FF 100%);
        color: white;
    }

    .stats-number {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 8px;
    }

    .stats-label {
        font-size: 13px;
        opacity: 0.9;
    }

    .card-badge {
        top: 20%;
        right: 15%;
        width: 140px;
        z-index: 1;
        background: linear-gradient(135deg, #72BEF9 0%, #5B57E7 100%);
        color: white;
        text-align: center;
        font-size: 14px;
        font-weight: 600;
    }

    /* 几何装饰 */
    .geo-shape {
        position: absolute;
        opacity: 0.6;
        animation: rotate-slow 30s linear infinite;
    }

    .shape-1 {
        top: 5%;
        right: 20%;
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, rgba(164, 147, 255, 0.2) 0%, transparent 100%);
        border-radius: 50%;
    }

    .shape-2 {
        bottom: 10%;
        left: 10%;
        width: 80px;
        height: 80px;
        background: linear-gradient(135deg, rgba(114, 190, 249, 0.15) 0%, transparent 100%);
        clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    }

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

    /* ====================== 按钮系统 ====================== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 16px 32px;
        font-size: 15px;
        font-weight: 600;
        border-radius: 12px;
        border: none;
        cursor: pointer;
        transition: all 0.3s var(--ease-smooth);
        position: relative;
        overflow: hidden;
    }

    .btn-primary {
        background-image: linear-gradient(90deg, var(--gradient-color-from), var(--gradient-color-center), var(--gradient-color-to));
        color: white;
        box-shadow: 0 10px 30px rgba(91, 87, 231, 0.3);
    }

    .btn-primary::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        transition: left 0.6s;
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 50px rgba(91, 87, 231, 0.4);
    }

    .btn-primary:hover::before {
        left: 100%;
    }

    .btn-secondary {
        background: white;
        color: var(--primary-color);
        border: 2px solid var(--primary-color);
        box-shadow: 0 4px 20px rgba(91, 87, 231, 0.15);
    }

    .btn-secondary:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(91, 87, 231, 0.3);
    }

    /* 鼠标滚轮提示 */
    .scroll-hint {
        position: absolute;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        color: var(--text-muted);
        font-size: 13px;
        animation: bounce 2s infinite;
    }

    .scroll-icon {
        width: 24px;
        height: 36px;
        border: 2px solid currentColor;
        border-radius: 12px;
        position: relative;
    }

    .scroll-icon::before {
        content: '';
        position: absolute;
        top: 6px;
        left: 50%;
        transform: translateX(-50%);
        width: 3px;
        height: 8px;
        background: currentColor;
        border-radius: 2px;
        animation: scroll-down 2s infinite;
    }

    @keyframes bounce {
        0%, 100% { transform: translateX(-50%) translateY(0); }
        50% { transform: translateX(-50%) translateY(10px); }
    }

    @keyframes scroll-down {
        0% { opacity: 1; transform: translateX(-50%) translateY(0); }
        100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
    }

    /* ====================== 章节标题 ====================== */
    .section {
        padding: 88px 0;
        position: relative;
    }

    .section-header {
        text-align: center;
        margin-bottom: 48px;
    }

    .section-tag {
        display: inline-block;
        padding: 8px 16px;
        background: var(--grad-soft);
        border: 1px solid rgba(123, 97, 255, 0.2);
        border-radius: 50px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary-purple);
        margin-bottom: 20px;
    }

    .section-title {
        font-size: 48px;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 16px;
        color: var(--text-primary);
    }

    .section-subtitle {
        font-size: 18px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 680px;
        margin: 0 auto;
    }

    /* ====================== AI营销全景图 - 手风琴式折叠 ====================== */
    .panorama-section {
        background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
        overflow: hidden;
    }

    .panorama-grid {
        display: flex;
        gap: 16px;
        width: 100%;
        height: 320px;
        border-radius: 0;
        overflow: visible;
        padding: 0;
    }

    /* 手风琴卡片 - 默认折叠状态为紫色 */
    .panorama-card {
        flex: 1;
        min-width: 200px;
        background: linear-gradient(180deg, #9B7EFF 0%, #7B61FF 100%);
        position: relative;
        transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        cursor: pointer;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 40px 32px;
        border-radius: 24px;
        box-shadow: none;
    }

    /* 折叠状态统一紫色 - 提高优先级 */
    .panorama-card {
        flex: 1;
        background: linear-gradient(180deg, #9B7EFF 0%, #7B61FF 100%);
    }

    .panorama-card.collapsed {
        flex: 1 !important;
        background: linear-gradient(180deg, #9B7EFF 0%, #7B61FF 100%) !important;
        padding: 40px 32px !important;
        align-items: center !important;
        justify-content: flex-start !important;
    }

    /* 展开状态浅色背景 - 提高优先级 */
    .panorama-card.expanded {
        flex: 3 !important;
        padding: 48px 40px !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
        background: linear-gradient(180deg, #F5F3FF 0%, #EDE9FE 100%) !important;
    }

    /* 默认第1个卡片展开 */
    .panorama-card:nth-child(1) {
        flex: 3;
        background: linear-gradient(180deg, #F5F3FF 0%, #EDE9FE 100%);
        align-items: flex-start;
        padding: 48px 40px;
    }

    .panorama-card:nth-child(2),
    .panorama-card:nth-child(3),
    .panorama-card:nth-child(4),
    .panorama-card:nth-child(5) {
        flex: 1;
        background: linear-gradient(180deg, #9B7EFF 0%, #7B61FF 100%);
        padding: 40px 32px;
        align-items: center;
    }

    /* 默认状态下的内容显隐 - 第1个卡片展开 */
    .panorama-card:nth-child(2):not(.expanded) .panorama-content,
    .panorama-card:nth-child(3):not(.expanded) .panorama-content,
    .panorama-card:nth-child(4):not(.expanded) .panorama-content,
    .panorama-card:nth-child(5):not(.expanded) .panorama-content {
        opacity: 0;
        pointer-events: none;
    }

    .panorama-card:nth-child(1):not(.collapsed) .panorama-content {
        opacity: 1 !important;
        pointer-events: auto !important;
    }

    /* 中心图标和标题（折叠状态显示） */
    .panorama-collapsed-center {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        transition: opacity 0.3s ease;
        opacity: 1;
        pointer-events: none;
        width: 100%;
        padding: 0 20px;
    }

    .panorama-card.expanded .panorama-collapsed-center {
        opacity: 0 !important;
        pointer-events: none !important;
    }

    .panorama-card.collapsed .panorama-collapsed-center {
        opacity: 1 !important;
        pointer-events: none !important;
    }

    /* 折叠状态的图标 */
    .panorama-collapsed-icon {
        width: 64px;
        height: 64px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.25);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
        backdrop-filter: blur(10px);
    }

    .panorama-collapsed-icon svg {
        width: 32px;
        height: 32px;
        stroke: white;
        fill: none;
        stroke-width: 2;
    }

    /* 折叠状态的标题 */
    .panorama-collapsed-title {
        font-size: 20px;
        font-weight: 700;
        color: #FFFFFF;
        white-space: nowrap;
        text-align: center;
    }

    /* 默认状态下的折叠图标显隐 - 第1个卡片展开，其他折叠 */
    .panorama-card:nth-child(2):not(.expanded) .panorama-collapsed-center,
    .panorama-card:nth-child(3):not(.expanded) .panorama-collapsed-center,
    .panorama-card:nth-child(4):not(.expanded) .panorama-collapsed-center,
    .panorama-card:nth-child(5):not(.expanded) .panorama-collapsed-center {
        opacity: 1;
    }

    .panorama-card:nth-child(1):not(.collapsed) .panorama-collapsed-center {
        opacity: 0 !important;
        pointer-events: none !important;
    }

    /* 内容区域（展开状态显示） */
    .panorama-content {
        transition: opacity 0.4s ease 0.2s;
        position: relative;
        z-index: 1;
        width: 100%;
    }

    /* 折叠状态立即隐藏内容，不延迟 */
    .panorama-card.collapsed .panorama-content {
        opacity: 0 !important;
        pointer-events: none !important;
        transition: opacity 0.2s ease !important;
    }

    /* 展开状态显示内容，带延迟 */
    .panorama-card.expanded .panorama-content {
        opacity: 1 !important;
        pointer-events: auto !important;
        transition: opacity 0.4s ease 0.2s !important;
    }

    /* 图标容器 */
    .panorama-icon {
        width: 56px;
        height: 56px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 28px;
        margin-bottom: 20px;
        background: rgba(123, 97, 255, 0.1);
    }

    .panorama-title {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 12px;
        color: #1a1a1a;
    }

    .panorama-desc {
        font-size: 14px;
        line-height: 1.7;
        color: #4a5568;
        margin-bottom: 20px;
    }

    .panorama-products {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }

    .product-tag {
        padding: 6px 14px;
        background: rgba(123, 97, 255, 0.08);
        border: 1px solid rgba(123, 97, 255, 0.15);
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        color: var(--primary-purple);
        transition: all 0.3s var(--ease-smooth);
        cursor: pointer;
    }

    .product-tag:hover {
        background: var(--grad-ai);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(123, 97, 255, 0.3);
        border-color: transparent;
    }

    /* ====================== AI营销产品生态 ====================== */
    .ecosystem-section {
        background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 50%, #F8FAFC 100%);
        position: relative;
    }

    .ecosystem-section .container {
        max-width: 1260px;
    }

    /* 背景装饰 */
    .ecosystem-section::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 800px;
        height: 800px;
        background: radial-gradient(circle, rgba(123, 97, 255, 0.05) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .category-wrapper {
        display: block;
    }

    /* Tab标签样式 */
    .category-tabs {
        display: flex;
        gap: 24px;
        margin-bottom: 40px;
        border-bottom: 2px solid #E8E8E8;
        flex-wrap: wrap;
    }

    .category-tab {
        padding: 16px 32px;
        font-size: 18px;
        font-weight: 600;
        color: #6D7B96;
        cursor: pointer;
        border-bottom: 3px solid transparent;
        margin-bottom: -2px;
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .category-tab:hover {
        color: #229AF4;
    }

    .category-tab.active {
        color: #229AF4;
        border-bottom-color: #229AF4;
    }

    .category-block {
        background: white;
        border-radius: 32px;
        padding: 48px;
        box-shadow:
            0 20px 60px rgba(123, 97, 255, 0.1),
            0 4px 16px rgba(0, 0, 0, 0.04);
        border: 1px solid rgba(123, 97, 255, 0.1);
        position: relative;
        overflow: visible;
        display: none;
    }

    .category-block.active {
        display: block;
    }

    /* 产品轮播容器 */
    .product-carousel-wrapper {
        position: relative;
        padding: 0;
    }

    .product-carousel-wrapper.no-scroll .carousel-arrow {
        display: none !important;
    }

    .carousel-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 48px;
        height: 48px;
        background: white;
        border: 2px solid #229AF4;
        border-radius: 50%;
        display: none;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 3;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .product-carousel-wrapper:hover .carousel-arrow {
        display: flex;
    }

    .carousel-arrow-left {
        left: 0;
    }

    .carousel-arrow-right {
        right: 0;
    }

    .product-carousel {
        overflow: visible;
        position: relative;
        margin: 0;
        clip-path: inset(-20px 0px -20px 0px);
    }

    .product-carousel::before,
    .product-carousel::after {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        width: 80px;
        z-index: 2;
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .product-carousel-wrapper:hover .product-carousel.show-fade::before,
    .product-carousel-wrapper:hover .product-carousel.show-fade::after {
        opacity: 1;
    }

    .product-carousel::before {
        left: 0;
        background: linear-gradient(to right, #ffffff, transparent);
    }

    .product-carousel::after {
        right: 0;
        background: linear-gradient(to left, #ffffff, transparent);
    }

    .product-grid {
        display: flex;
        gap: 24px;
        transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        padding: 16px 0;
    }

    .product-card {
        flex: 0 0 calc((1260px - 48px * 3) / 4.5);
        min-width: 240px;
        max-width: 280px;
        height: 280px;
        background: linear-gradient(135deg, #E8F0FE 0%, #D4E4FF 100%);
        padding: 32px 24px;
        border-radius: 20px;
        cursor: pointer;
        border: none;
        transition: all 0.3s var(--ease-smooth);
        position: relative;
        overflow: hidden;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        display: flex;
        flex-direction: column;
    }

    .carousel-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 48px;
        height: 48px;
        background: white;
        border: 2px solid #229AF4;
        border-radius: 50%;
        display: none;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 3;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        opacity: 0;
        pointer-events: none;
    }

    .product-carousel-wrapper:hover .carousel-arrow {
        display: flex;
        opacity: 1;
        pointer-events: auto;
    }

    .product-carousel-wrapper.no-scroll .carousel-arrow {
        display: none !important;
    }

    .carousel-arrow:hover {
        background: #229AF4;
        box-shadow: 0 6px 20px rgba(34, 154, 244, 0.3);
    }

    .carousel-arrow:hover svg {
        fill: white;
    }

    .carousel-arrow.disabled {
        opacity: 0.3;
        cursor: not-allowed;
        pointer-events: none;
    }

    .carousel-arrow-left {
        left: 0;
    }

    .carousel-arrow-right {
        right: 0;
    }

    .carousel-arrow svg {
        width: 20px;
        height: 20px;
        fill: #229AF4;
        transition: fill 0.3s ease;
    }

    /* 产品卡片 - 新样式 */
    .product-card {
        background: linear-gradient(135deg, #E8F0FE 0%, #D4E4FF 100%);
        padding: 32px 24px;
        border-radius: 20px;
        cursor: pointer;
        border: none;
        transition: all 0.3s var(--ease-smooth);
        position: relative;
        overflow: hidden;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        min-height: 220px;
        display: flex;
        flex-direction: column;
    }

    /* 不同类型的卡片颜色 */
    .product-card.card-blue {
        background: linear-gradient(135deg, #D4E4FF 0%, #C4D7FF 100%);
    }

    .product-card.card-purple {
        background: linear-gradient(135deg, #E8DFFF 0%, #DDD0FF 100%);
    }

    .product-card.card-cyan {
        background: linear-gradient(135deg, #D0F5F3 0%, #B8EEE8 100%);
    }

    .product-card.card-pink {
        background: linear-gradient(135deg, #FFE8F0 0%, #FFD4E5 100%);
    }

    .product-card.card-green {
        background: linear-gradient(135deg, #D8F5E3 0%, #C0EDD5 100%);
    }

    .product-card:hover {
        transform: translateY(-8px);
        z-index: 10;
    }

    .product-card.card-blue:hover {
        box-shadow: 0 16px 48px rgba(212, 228, 255, 0.5);
    }

    .product-card.card-purple:hover {
        box-shadow: 0 16px 48px rgba(232, 223, 255, 0.5);
    }

    .product-card.card-cyan:hover {
        box-shadow: 0 16px 48px rgba(208, 245, 243, 0.5);
    }

    .product-card.card-pink:hover {
        box-shadow: 0 16px 48px rgba(255, 232, 240, 0.5);
    }

    .product-card.card-green:hover {
        box-shadow: 0 16px 48px rgba(216, 245, 227, 0.5);
    }

    .product-icon {
        width: 36px;
        height: 36px;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: white;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .product-icon svg {
        width: 20px;
        height: 20px;
        fill: none;
        stroke-width: 2;
    }

    /* Icon颜色 - 根据卡片类型 */
    .card-blue .product-icon svg {
        stroke: #229AF4;
    }

    .card-purple .product-icon svg {
        stroke: #7B61FF;
    }

    .card-cyan .product-icon svg {
        stroke: #00B8A9;
    }

    .card-pink .product-icon svg {
        stroke: #FF6BA6;
    }

    .card-green .product-icon svg {
        stroke: #28CA41;
    }

    .product-name {
        font-size: 22px;
        font-weight: 700;
        color: #1a1a1a;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .product-preview {
        margin-top: auto;
        padding: 0;
        height: 120px;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        color: #666;
        position: relative;
        overflow: hidden;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    }

    .product-preview svg {
        width: 100%;
        height: 100%;
    }

    /* 不同背景色的数据看板SVG样式 */
    .card-blue .product-preview {
        background: rgba(255, 255, 255, 0.95);
    }

    .card-purple .product-preview {
        background: rgba(255, 255, 255, 0.95);
    }

    .card-cyan .product-preview {
        background: rgba(255, 255, 255, 0.95);
    }

    .card-pink .product-preview {
        background: rgba(255, 255, 255, 0.95);
    }

    .card-green .product-preview {
        background: rgba(255, 255, 255, 0.95);
    }

    /* ====================== CTA留资卡片 ====================== */
    .cta-section {
        position: relative;
        overflow: hidden;
    }

    .cta-card {
        background: var(--grad-tech);
        border-radius: 32px;
        padding: 80px 60px;
        text-align: center;
        position: relative;
        overflow: hidden;
        box-shadow:
            0 30px 80px rgba(123, 97, 255, 0.3),
            0 10px 30px rgba(0, 0, 0, 0.1);
    }

    /* 动态背景 */
    .cta-card::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
        animation: rotate-bg 20s linear infinite;
    }

    .cta-card::after {
        content: '';
        position: absolute;
        bottom: -50%;
        left: -50%;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
        animation: rotate-bg 25s linear infinite reverse;
    }

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

    .cta-content {
        position: relative;
        z-index: 1;
    }

    .cta-title {
        font-size: 44px;
        font-weight: 800;
        color: white;
        margin-bottom: 20px;
        letter-spacing: -0.02em;
    }

    .cta-subtitle {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 40px;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
        line-height: 1.8;
    }

    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-white {
        background: white;
        color: var(--primary-purple);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }

    .btn-white:hover {
        transform: translateY(-3px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    }

    .btn-outline-white {
        background: transparent;
        color: white;
        border: 2px solid white;
        box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
    }

    .btn-outline-white:hover {
        background: white;
        color: var(--primary-purple);
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
    }

    /* ====================== 响应式设计 ====================== */
    @media (max-width: 1024px) {
        .hero-container {
            grid-template-columns: 1fr;
            gap: 60px;
        }

        .hero-visual {
            height: 500px;
        }

        .card-dashboard {
            width: 320px;
        }
    }

    @media (max-width: 768px) {
        .hero {
            padding: 120px 0 80px;
        }

        .hero-title {
            font-size: 40px;
        }

        .hero-subtitle {
            font-size: 16px;
        }

        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 36px;
        }

        .panorama-grid {
            grid-template-columns: 1fr;
        }

        .product-grid {
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        }

        .cta-card {
            padding: 60px 32px;
        }

        .cta-title {
            font-size: 32px;
        }
    }