/* 作用域限制在模块内，防止污染全局样式 */
    .hx-cat-module {
        font-family: inherit;
        color: #333;
        margin-bottom: 20px;
        font-size: 14px;
    }
    .hx-cat-intro p {
        margin-bottom: 10px;
        line-height: 1.6;
        color: #555;
    }
    .hx-cat-title {
        font-size: 16px;
        color: #333;
        font-weight: 600;
        margin: 25px 0 15px;
        padding-bottom: 8px;
        border-bottom: 2px solid #f4fbfe;
        position: relative;
    }
    .hx-cat-title::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -2px;
        width: 40px;
        height: 2px;
        background-color: #55C4F0;
    }
    /* 核心应用 - 纯文本商务卡片，PC端强制一行5个 */
    .hx-app-flex {
        display: flex;
        gap: 12px;
        justify-content: space-between;
    }
    .hx-app-item {
        flex: 1 1 0; /* 均分剩余空间，强制一行 */
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        background: #fdfdfd;
        border: 1px solid #eaeaea;
        padding: 16px 10px;
        border-radius: 4px;
        transition: all 0.2s ease;
        min-height: 70px;
    }
    .hx-app-item:hover {
        border-color: #55C4F0;
        background: #fff;
        box-shadow: 0 4px 12px rgba(85,196,240,0.08);
        transform: translateY(-2px);
    }
    .hx-app-item span {
        font-size: 12px;
        line-height: 1.4;
        color: #444;
        font-weight: 500;
    }
    
    /* 移动端保护：屏幕小于768px时自动折行，保证手机端可读性 */
    @media (max-width: 768px) {
        .hx-app-flex {
            flex-wrap: wrap;
        }
        .hx-app-item {
            flex: 1 1 45%;
            min-height: 60px;
        }
    }

    /* 平铺 FAQ 样式 */
    .hx-faq-item {
        border-bottom: 1px dashed #eaeaea;
        padding: 15px 0;
    }
    .hx-faq-item:last-child {
        border-bottom: none;
    }
    .hx-faq-q {
        font-weight: 600;
        font-size: 14px;
        color: #333;
        margin-bottom: 8px;
    }
    .hx-faq-q::before {
        content: '';
        display: inline-block;
        width: 4px;
        height: 14px;
        background-color: #55C4F0;
        margin-right: 8px;
        vertical-align: -2px;
    }
    .hx-faq-desc {
        color: #666;
        font-size: 13px;
        line-height: 1.6;
        padding-left: 12px;
    }