.b2b-container {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        color: #2D3748;
        line-height: 1.6;
        max-width: 1000px;
        margin: 0 auto;
        padding: 20px;
    }
    
    .b2b-container h1 {
        font-size: 28px;
        color: #1A365D;
        margin-bottom: 5px;
        font-weight: 700;
    }
    
    .b2b-container .subtitle {
        font-size: 16px;
        color: #4A5568;
        margin-bottom: 25px;
        font-weight: 500;
        border-left: 4px solid #3182CE;
        padding-left: 10px;
    }

    /* 核心拦截 Hook 模块框 */
    .competitor-intercept-box {
        border: 2px solid #3182CE;
        background-color: #F7FAFC;
        padding: 25px;
        border-radius: 8px;
        margin: 30px 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    }
    .competitor-intercept-box h3 {
        color: #2B6CB0;
        margin-top: 0;
        font-size: 20px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .competitor-intercept-box p {
        font-size: 15px;
        color: #4A5568;
    }
    .b2b-cta-btn {
        display: inline-block;
        background-color: #3182CE;
        color: #ffffff !important;
        padding: 12px 28px;
        text-decoration: none !important;
        border-radius: 5px;
        font-weight: 700;
        font-size: 16px;
        transition: background-color 0.2s ease;
        margin-top: 10px;
        box-shadow: 0 2px 4px rgba(49, 130, 206, 0.3);
    }
    .b2b-cta-btn:hover {
        background-color: #2B6CB0;
    }

    /* 图片占位符样式（前端渲染为提示框，方便你或美工一目了然） */
    .image-placeholder-block {
        background: #EDF2F7;
        border: 2px dashed #CBD5E0;
        border-radius: 6px;
        padding: 30px 20px;
        text-align: center;
        margin: 25px 0;
    }
    .image-placeholder-block .img-title {
        font-weight: bold;
        color: #4A5568;
        font-size: 15px;
        margin-bottom: 5px;
    }
    .image-placeholder-block .img-size {
        background: #E2E8F0;
        color: #4A5568;
        padding: 2px 8px;
        font-size: 12px;
        border-radius: 4px;
        display: inline-block;
        margin-bottom: 10px;
    }
    .image-placeholder-block .img-prompt {
        font-size: 13px;
        color: #718096;
        font-style: italic;
        max-width: 800px;
        margin: 0 auto;
        line-height: 1.4;
    }

    .b2b-section-title {
        font-size: 22px;
        color: #1A365D;
        border-bottom: 2px solid #E2E8F0;
        padding-bottom: 8px;
        margin-top: 40px;
        margin-bottom: 20px;
        font-weight: 600;
    }

    /* 特性网络布局 */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-bottom: 30px;
    }
    .feature-card {
        background: #ffffff;
        border: 1px solid #E2E8F0;
        padding: 20px;
        border-radius: 6px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }
    .feature-card h4 {
        margin-top: 0;
        color: #2B6CB0;
        font-size: 16px;
        margin-bottom: 10px;
    }

    /* 响应式表格样式 */
    .table-container {
        overflow-x: auto;
        margin: 25px 0;
    }
    .b2b-spec-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 600px;
        font-size: 14px;
    }
    .b2b-spec-table th {
        background-color: #2B6CB0;
        color: #ffffff;
        text-align: left;
        padding: 12px;
        font-weight: 600;
    }
    .b2b-spec-table td {
        padding: 12px;
        border-bottom: 1px solid #E2E8F0;
    }
    .b2b-spec-table tr:nth-child(even) {
        background-color: #F7FAFC;
    }
    .b2b-spec-table .highlight-cell {
        font-weight: bold;
        color: #2B6CB0;
    }

    /* 应用场景列表 */
    .app-scenarios {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
    }
    .app-col {
        flex: 1;
        min-width: 250px;
    }
    .app-col h4 {
        color: #1A365D;
        border-left: 3px solid #4299E1;
        padding-left: 8px;
        margin-bottom: 12px;
    }
    .app-col ul {
        padding-left: 20px;
        margin: 0;
    }
    .app-col li {
        margin-bottom: 8px;
    }

    /* FAQ 模块 */
    .faq-section {
        margin-top: 40px;
    }
    .faq-item {
        margin-bottom: 20px;
        border-bottom: 1px solid #EDF2F7;
        padding-bottom: 15px;
    }
    .faq-question {
        font-weight: 600;
        color: #2B6CB0;
        font-size: 15px;
        margin-bottom: 6px;
    }
    .faq-answer {
        font-size: 14px;
        color: #4A5568;
        text-align: justify;
    }