/* ========== Services 模块样式（强制副标题居中） ========== */
    :root {
        --svc-primary: #2563eb;
        --svc-primary-light: #eff6ff;
        --svc-text: #0f172a;
        --svc-text-secondary: #475569;
        --svc-bg: #f8fafc;
        --svc-card-bg: #ffffff;
        --svc-border: #e2e8f0;
        --svc-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.04);
        --svc-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
        --svc-radius: 20px;
        --svc-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .services-section {
        width: 100%;
        padding: 80px 24px;
        background-color: var(--svc-bg);
        font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        box-sizing: border-box;
    }

    .services-container {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* 标题区 */
    .section-header {
        text-align: center;
        margin-bottom: 56px;
    }

    .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 2.8px;
        text-transform: uppercase;
        color: var(--svc-primary);
        background: var(--svc-primary-light);
        padding: 8px 20px;
        border-radius: 50px;
        margin-bottom: 16px;
    }

    .section-title {
        font-size: clamp(30px, 4vw, 44px);
        font-weight: 800;
        color: var(--svc-text);
        margin: 0 0 12px;
        letter-spacing: -0.5px;
        line-height: 1.2;
    }

    /* ★ 强制居中：使用 !important 提升权重，确保文字在任何情况下都居中显示 */
    .section-subtitle {
        display: block;
        max-width: 650px;
        margin-left: auto !important;
        margin-right: auto !important;
        text-align: center !important;
        font-size: 17px;
        color: var(--svc-text-secondary);
        line-height: 1.6;
    }

    /* 网格 */
    .services-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    /* 卡片 */
    .service-card {
        background: var(--svc-card-bg);
        border: 1px solid var(--svc-border);
        border-radius: var(--svc-radius);
        padding: 36px 32px 32px;
        box-shadow: var(--svc-shadow);
        transition: transform var(--svc-transition), box-shadow var(--svc-transition), border-color var(--svc-transition);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: relative;
        overflow: hidden;
    }

    .service-card::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--svc-primary);
        border-radius: var(--svc-radius) var(--svc-radius) 0 0;
        opacity: 0;
        transform: scaleX(0.8);
        transition: opacity var(--svc-transition), transform var(--svc-transition);
    }

    .service-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--svc-shadow-hover);
        border-color: #cbd5e1;
    }

    .service-card:hover::after {
        opacity: 1;
        transform: scaleX(1);
    }

    .card-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: var(--svc-primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 24px;
        color: var(--svc-primary);
        transition: background var(--svc-transition), color var(--svc-transition), transform var(--svc-transition);
        flex-shrink: 0;
    }

    .service-card:hover .card-icon {
        background: var(--svc-primary);
        color: #ffffff;
        transform: scale(1.05);
    }

    .card-icon svg {
        display: block;
    }

    .card-title {
        font-size: 19px;
        font-weight: 700;
        color: var(--svc-text);
        margin: 0 0 20px;
        line-height: 1.3;
        letter-spacing: -0.3px;
    }

    .card-details {
        display: flex;
        flex-direction: column;
        gap: 14px;
        flex: 1;
    }

    .detail-item {
        display: flex;
        gap: 12px;
        font-size: 14px;
        color: var(--svc-text-secondary);
        line-height: 1.6;
        align-items: flex-start;
    }

    .detail-bullet {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 22px;
        height: 22px;
        min-width: 22px;
        border-radius: 50%;
        background: #ecfdf5;
        color: #10b981;
        font-size: 12px;
        font-weight: 700;
        margin-top: 2px;
        flex-shrink: 0;
    }

    .detail-item strong {
        color: var(--svc-text);
        font-weight: 600;
    }

    /* 响应式 */
    @media (max-width: 768px) {
        .services-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .services-section {
            padding: 56px 18px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .service-card {
            padding: 28px 24px 24px;
        }
        .card-title {
            font-size: 18px;
        }
        .detail-item {
            font-size: 13.5px;
        }
    }

    @media (max-width: 480px) {
        .section-title {
            font-size: 26px;
        }
        .section-subtitle {
            font-size: 15px;
        }
        .service-card {
            padding: 24px 20px 22px;
            border-radius: 16px;
        }
        .card-icon {
            width: 48px;
            height: 48px;
            margin-bottom: 18px;
        }
        .card-icon svg {
            width: 40px;
            height: 40px;
        }
    }

    @media (min-width: 1400px) {
        .services-container {
            max-width: 1320px;
        }
        .services-grid {
            gap: 32px;
        }
        .service-card {
            padding: 42px 38px 36px;
        }
    }