/* 筛选容器 */
  .sonsort {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* 排行榜单页：按省份分行，省名做行首标签 */
.sonsort-wrap {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 4px 16px;
}
.citynav-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px dashed #f0f0f0;
}
.citynav-row:last-child {
    border-bottom: none;
}
.citynav-row-all {
    padding-top: 10px;
}
.citynav-prov {
    flex: 0 0 78px;
    box-sizing: border-box;
    text-align: center;
    padding: 6px 8px;
    background: #FFF8E1;
    color: #FF7F00;
    border: 1px solid #FFD180;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}
.citynav-prov:hover {
    background: #FFE0B2;
    color: #FF7F00;
    text-decoration: none;
}
.citynav-prov.active {
    background: #FF7F00;
    color: #fff;
    border-color: #FF7F00;
}
.citynav-prov-plain {
    background: #f5f5f5;
    color: #999;
    border-color: #eee;
}
.citynav-cities {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 8px 10px;
}
/* 强制换行：让后续条目另起一行（如广东省行里「广州市」起新行） */
.citynav-cities .citynav-break {
    grid-column: 1 / -1;
    height: 0;
    margin: 0;
}
.citynav-cities .filter-item {
    justify-content: center;
    padding: 6px 4px;
    font-size: 14px;
    margin-bottom: 0 !important;
    white-space: nowrap;
}

/* 筛选按钮 默认灰色未选中 */
.filter-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: #f5f5f5;
    color: #666;
    font-size: 15px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
}

/* 数字标签 默认态 */
.filter-num {
    display: inline-block;
    min-width: 22px;
    height: 20px;
    line-height: 20px;
    padding: 0 6px;
    text-align: center;
    font-size: 12px;
    background: #fff;
    color: #999;
    border-radius: 4px;
    font-weight: normal;
}

/* hover效果 */
.filter-item:hover {
    color: #FF7F00;
    background: #FFF8E1;
    text-decoration: none;
}
.filter-item:hover .filter-num {
    color: #FF7F00;
}

/* 选中状态 红色高亮突出 */
.filter-item.active {
    background: #FF7F00;
    color: #fff;
}
.filter-item.active .filter-num {
    background: #fff;
    color: #FF7F00;
    font-weight: bold;
}

@media (max-width:768px) {
    .sonsort {
        gap: 10px;
    }
    
    .filter-item {
        gap: 6px;
        padding: 8px 15px;
    }
    .filter-num {
        display: none;
    }

    /* 排行榜单：小屏省份标签独占一行 */
    .sonsort-wrap {
        padding: 4px 10px;
    }
    .citynav-row {
        flex-direction: column;
        /* 纵向排列时交叉轴为水平方向，必须拉伸才能让城市栅格撑满整行 */
        align-items: stretch;
        gap: 8px;
    }
    .citynav-prov {
        flex: 0 0 auto;
        /* 省份标签保持内容宽度，不撑满整行 */
        align-self: flex-start;
    }
    .citynav-cities {
        width: 100%;
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }
    .citynav-cities .filter-item {
        padding: 6px 4px;
        font-size: 13px;
    }
}