:root {
        /* === Neutral Pro Color System (Multi-Brand Friendly) === */
        --accent-primary: #2f3a45;
        /* 主强调色：深蓝灰 */
        --accent-secondary: #5c6f82;
        /* 次级强调 */
        --accent-soft: #eef2f6;
        /* 轻背景 */
        --border-color: #e3e6ea;
        --bg-gray: #f7f9fb;
        --text-dark: #1f2933;
        --text-muted: #6b7280;
        --table-head: #3a3f45;
        --highlight-bg: #f9fafb;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        background-color: #ffffff;
        margin: 0;
        padding: 15px;
        color: var(--text-dark);
        line-height: 1.4;
    }

    .table-container {
        width: 100%;
        max-width: 900px;
        margin: 0 auto;
    }

    h2 {
        text-align: center;
        font-size: 20px;
        font-weight: 600;
        color: var(--accent-primary);
        margin-bottom: 6px;
        letter-spacing: 0.2px;
    }

    .sub-header {
        text-align: center;
        color: var(--text-muted);
        font-size: 14px;
        margin-bottom: 15px;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 22px;
        table-layout: fixed;
        border: 1px solid var(--border-color);
        background-color: #fff;
    }

    .table-camera col.col-shoe {
        width: 20%;
    }

    .table-camera col.col-list {
        width: auto;
    }

    th,
    td {
        padding: 8px 10px;
        border: 1px solid var(--border-color);
        word-wrap: break-word;
        vertical-align: middle;
    }

    thead td {
        background-color: var(--table-head);
        color: #ffffff;
        font-weight: 600;
        text-align: center;
        font-size: 13px;
        letter-spacing: 0.3px;
    }

    .category-group {
        margin-bottom: 12px;
    }

    .title-main {
        font-weight: 600;
        color: var(--accent-primary);
        border-left: 3px solid var(--accent-secondary);
        padding-left: 8px;
        margin-bottom: 4px;
        font-size: 14px;
        text-align: left;
    }

    .content-box {
        padding-left: 11px;
        font-size: 13px;
        color: #374151;
    }

    .dslr-sub-title {
        font-weight: 600;
        font-size: 12px;
        color: #4b5563;
        margin-top: 6px;
        margin-bottom: 2px;
    }

    .dslr-models {
        font-size: 12px;
        color: #4b5563;
        border-left: 1px solid #e5e7eb;
        padding-left: 8px;
    }

    .alias-box {
        margin-top: 6px;
        font-size: 11px;
        color: var(--text-muted);
        padding: 6px;
        background: var(--highlight-bg);
        border: 1px dashed #e5e7eb;
        line-height: 1.35;
    }

    .shoe-img {
        width: 50px;
        height: auto;
        margin-bottom: 4px;
    }

    .shoe-label {
        font-size: 10px;
        font-weight: 600;
        color: var(--text-muted);
        letter-spacing: 0.2px;
    }

    .highlight-cell {
        background-color: var(--accent-soft);
        font-weight: 600;
        color: var(--accent-primary);
        text-align: center;
        font-size: 12px;
    }

    @media (max-width: 600px) {
        td {
            padding: 6px 5px;
            font-size: 12px;
        }

        .title-main {
            font-size: 13px;
        }
    }