/* head_52.css - visible nav / sectioned layout */

.__PFX__-h52-shell{
    background:#f9fafb;
    border-bottom:1px solid var(--border-color);
}

/* 上半区：品牌 + 搜索 */

.__PFX__-h52-branding{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 14px 10px;
    gap:14px;
}

.__PFX__-h52-logo a{
    font-size:20px;
    font-weight:800;
    color:var(--text_primary,#111827);
    text-decoration:none;
}

.__PFX__-h52-searchbox form{
    display:flex;
    align-items:center;
    gap:6px;
    background:#fff;
    border:1px solid var(--border-color);
    border-radius:10px;
    padding:4px 6px 4px 10px;
}

.__PFX__-h52-searchbox input{
    border:none;
    background:transparent;
    font-size:13px;
    min-width:180px;
    outline:none;
}

.__PFX__-h52-searchbox button{
    border:none;
    background:#111827;
    color:#fff;
    font-size:12px;
    padding:6px 10px;
    border-radius:8px;
    cursor:pointer;
}

/* 下半区：分类入口 */

.__PFX__-h52-channel{
    background:#ffffff;
    border-top:1px solid var(--border-color);
    padding:6px 12px 8px;
}

.__PFX__-h52-items{
    display:flex;
    flex-wrap:wrap;
    gap:8px 10px;
    list-style:none;
    margin:0;
    padding:0;
}

.__PFX__-h52-items a{
    display:block;
    padding:4px 10px;
    font-size:12px;
    color:#374151;
    text-decoration:none;
    border-radius:6px;
    background:#f3f4f6;
}

.__PFX__-h52-items a.active{
    background:#111827;
    color:#ffffff;
}

/* 响应式：移动端搜索占整行 */

@media (max-width: 860px){
    .__PFX__-h52-branding{
        flex-direction:column;
        align-items:stretch;
    }

    .__PFX__-h52-searchbox form{
        width:100%;
    }

    .__PFX__-h52-searchbox input{
        flex:1;
    }
}