:root {
        --primary-color: #30A0FF;
        --primary-hover: #2691E6;
        --primary-light: #E6F3FF;
        --primary-dark: #1E88E5;
        --gradient-primary: linear-gradient(135deg, #30A0FF, #2691E6);
    }

    * {
        box-sizing: border-box;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
        line-height: 1.6 !important;
        color: #333 !important;
        background-color: #f8fafc !important;
    }

    /* 强制覆盖平台样式 */
    .primary-color {
        color: var(--primary-color) !important;
    }

    .primary-bg {
        background-color: var(--primary-color) !important;
    }

    .primary-hover:hover {
        background-color: var(--primary-hover) !important;
    }

    .primary-light-bg {
        background-color: var(--primary-light) !important;
    }

    /* 隐藏平台默认页脚 */
    #footer,
    main + footer,
    .footer {
        display: none !important;
    }

    /* 容器样式 */
    .container-custom {
        max-width: 1200px !important;
        margin: 0 auto !important;
        padding: 0 16px !important;
    }

    /* 卡片样式 */
    .card-custom {
        background: white !important;
        border-radius: 20px !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08) !important;
        overflow: hidden !important;
        border: 1px solid #e2e8f0 !important;
        margin-bottom: 2rem !important;
    }

    /* 案例网格布局 */
    .case-grid {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0 !important;
        min-height: 600px !important;
    }

    .case-image-section {
        flex: 1 !important;
        min-width: 320px !important;
        padding: 2rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%) !important;
    }

    .case-content-section {
        flex: 1 !important;
        min-width: 320px !important;
        padding: 2rem !important;
        display: flex !important;
        flex-direction: column !important;
        background: white !important;
    }

    @media (min-width: 769px) {
        .case-content-section {
            border-left: 1px solid #e2e8f0 !important;
        }
    }

    @media (max-width: 768px) {
        .case-grid {
            flex-direction: column !important;
        }

        .case-content-section {
            border-top: 1px solid #e2e8f0 !important;
            border-left: none !important;
        }
    }

    /* 主图片容器 */
    .main-image-container {
        position: relative !important;
        width: 100% !important;
        max-width: 500px !important;
        height: 0 !important;
        padding-bottom: 100% !important;
        margin: 0 auto 1.5rem auto !important;
        border-radius: 16px !important;
        overflow: hidden !important;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
        cursor: pointer !important;
        transition: transform 0.3s ease !important;
    }

    .main-image-container:hover {
        transform: scale(1.02) !important;
    }

    .main-image {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        border: none !important;
        transition: transform 0.3s ease !important;
    }

    /* 子图片网格 */
    .sub-images-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1rem !important;
        max-width: 400px !important;
        margin: 0 auto !important;
    }

    .sub-image-wrapper {
        border: 2px solid transparent !important;
        border-radius: 12px !important;
        overflow: hidden !important;
        cursor: pointer !important;
        transition: all 0.3s ease !important;
        aspect-ratio: 1/1 !important;
    }

    .sub-image-wrapper:hover {
        border-color: var(--primary-color) !important;
        transform: translateY(-4px) !important;
        box-shadow: 0 8px 20px rgba(48, 160, 255, 0.3) !important;
    }

    .sub-image {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        border: none !important;
    }

    /* 标题和文本样式 */
    .heading-primary {
        font-size: 2.5rem !important;
        font-weight: 700 !important;
        line-height: 1.2 !important;
        margin-bottom: 1.5rem !important;
        color: var(--primary-color) !important;
    }

    .heading-secondary {
        font-size: 2rem !important;
        font-weight: 600 !important;
        line-height: 1.3 !important;
        margin-bottom: 1rem !important;
        color: var(--primary-color) !important;
    }

    @media (max-width: 640px) {
        .heading-primary {
            font-size: 2rem !important;
        }

        .heading-secondary {
            font-size: 1.5rem !important;
        }
    }

    /* 信息条目样式 */
    .info-item {
        display: flex !important;
        align-items: flex-start !important;
        color: #64748b !important;
        margin-bottom: 1rem !important;
    }

    .info-icon {
        color: var(--primary-color) !important;
        margin-right: 0.75rem !important;
        margin-top: 0.25rem !important;
        width: 1.25rem !important;
        text-align: center !important;
        flex-shrink: 0 !important;
    }

    /* 按钮样式 */
    .inquiry-button {
        background: var(--gradient-primary) !important;
        color: white !important;
        border: none !important;
        border-radius: 12px !important;
        padding: 16px 32px !important;
        font-size: 18px !important;
        font-weight: 600 !important;
        cursor: pointer !important;
        text-decoration: none !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-shadow: 0 4px 15px rgba(48, 160, 255, 0.3) !important;
        margin-top: 1rem !important;
        width: 100% !important;
        max-width: 300px !important;
    }

    .inquiry-button:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 8px 25px rgba(48, 160, 255, 0.4) !important;
        background: linear-gradient(135deg, var(--primary-hover), var(--primary-dark)) !important;
    }

    /* 特色功能卡片 */
    .features-grid {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
        gap: 2rem !important;
        margin-top: 2rem !important;
    }

    .feature-card {
        background: white !important;
        border-radius: 16px !important;
        padding: 2rem !important;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05) !important;
        border: 1px solid #e2e8f0 !important;
        transition: all 0.3s ease !important;
        text-align: center !important;
    }

    .feature-card:hover {
        transform: translateY(-8px) !important;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
        border-color: var(--primary-color) !important;
    }

    .feature-icon {
        color: var(--primary-color) !important;
        font-size: 3rem !important;
        margin-bottom: 1rem !important;
    }

    .feature-title {
        font-size: 1.25rem !important;
        font-weight: 600 !important;
        color: var(--primary-color) !important;
        margin-bottom: 0.75rem !important;
    }

    .feature-text {
        color: #64748b !important;
        line-height: 1.6 !important;
    }

    /* 关于我们部分 - 强制居中 */
    .about-section {
        background: white !important;
        border-radius: 20px !important;
        padding: 3rem !important;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08) !important;
        border: 1px solid #e2e8f0 !important;
        margin-bottom: 2rem !important;
    }

    .about-header {
        text-align: center !important;
        margin-bottom: 2rem !important;
    }

    .about-title {
        font-size: 2rem !important;
        font-weight: 600 !important;
        color: var(--primary-color) !important;
        margin-bottom: 1rem !important;
        text-align: center !important;
    }

    .about-subtitle {
        color: #64748b !important;
        max-width: 600px !important;
        margin: 0 auto !important;
        text-align: center !important;
    }

    /* 统计数据网格 */
    .stats-grid {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 2rem !important;
        margin: 2rem 0 !important;
    }

    .stat-item {
        text-align: center !important;
        padding: 1rem !important;
    }

    .stat-number {
        font-size: 3rem !important;
        font-weight: 700 !important;
        color: var(--primary-color) !important;
        line-height: 1 !important;
        margin-bottom: 0.5rem !important;
    }

    .stat-label {
        color: #64748b !important;
        font-weight: 500 !important;
    }

    /* 关于我们描述文本 - 强制居中 */
    .about-description {
        color: #374151 !important;
        line-height: 1.8 !important;
        max-width: 800px !important;
        margin: 2rem auto !important;
        text-align: center !important;
        font-size: 1.1rem !important;
    }

    .about-cta {
        text-align: center !important;
        margin-top: 2rem !important;
    }

    /* 页面部分间距 */
    .section-spacing {
        margin-bottom: 4rem !important;
    }

    /* 响应式优化：手机端统计数据强制单列 */
    @media (max-width: 768px) {
        .container-custom {
            padding: 0 12px !important;
        }

        .case-image-section,
        .case-content-section {
            padding: 1.5rem !important;
        }

        .about-section {
            padding: 2rem 1rem !important;
        }

        .features-grid {
            grid-template-columns: 1fr !important;
        }

        .stats-grid {
            grid-template-columns: 1fr !important;
            gap: 1.5rem !important;
        }

        .stat-number {
            font-size: 2.5rem !important;
        }
    }

    /* 动画效果 */
    .fade-in {
        animation: fadeIn 0.6s ease-in-out !important;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* Lightbox 样式 */
    .lightbox {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background: rgba(0, 0, 0, 0.9) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        z-index: 9999 !important;
        padding: 2rem !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transition: all 0.3s ease !important;
    }

    .lightbox.active {
        opacity: 1 !important;
        visibility: visible !important;
    }

    .lightbox-close {
        position: absolute !important;
        top: 2rem !important;
        right: 2rem !important;
        color: white !important;
        font-size: 3rem !important;
        font-weight: bold !important;
        cursor: pointer !important;
        transition: color 0.3s ease !important;
    }

    .lightbox-close:hover {
        color: #ccc !important;
    }

    .lightbox-image {
        max-width: 90% !important;
        max-height: 90% !important;
        object-fit: contain !important;
        border-radius: 8px !important;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3) !important;
    }

    /* ———————————————————— 统一风格后的三卡片模块 ———————————————————— */
    .page-title {
        text-align: center;
        margin-bottom: 30px;
        color: var(--primary-color) !important;
        font-weight: 700 !important;
        font-size: 2rem !important;
    }

    .card-container {
        max-width: 1200px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        padding: 0 10px;
    }

    .info-card {
        background: #fff;
        border-radius: 16px !important;
        padding: 28px !important;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06) !important;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        height: 100%;
        border: 1px solid #e2e8f0 !important;
    }

    .info-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 30px rgba(48, 160, 255, 0.12) !important;
        border-color: var(--primary-color) !important;
    }

    .card-title {
        font-size: 1.35rem;
        color: var(--primary-color) !important;
        margin-bottom: 18px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--primary-color) !important;
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 600 !important;
    }

    .card-title i {
        color: var(--primary-color) !important;
        font-size: 1.5rem;
    }

    .card-content {
        flex: 1;
        font-size: 0.95rem;
        color: #4b5563 !important;
        line-height: 1.7 !important;
    }

    .card-content p {
        margin-bottom: 12px;
    }

    .highlight {
        color: var(--primary-color) !important;
        font-weight: 600 !important;
    }

    @media (max-width: 768px) {
        .page-title {
            font-size: 1.6rem !important;
        }

        .card-title {
            font-size: 1.25rem;
        }

        .card-content {
            font-size: 0.9rem;
        }
    }