.top-filter-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    border: 1px solid #ffffff;
    border-radius: 4px;
    padding: 0.5em 0 !important;
}

.tab-content > .top-filter-container {
    display: none !important; 
}

.tab-content > .top-filter-container.active {
    display: flex !important;
}

.top-filter-group {
    display: flex;
    flex-wrap: wrap;
    column-gap: 0;
    row-gap: 0;
    padding: 0;
}

.top-filter-button {
    text-decoration: none !important;
    cursor: pointer;
    position: relative;
    display: inline-block;
}

.top-filter-button span {
    display: block;
    position: relative;
    padding-top: 5.5px;
    padding-bottom: 5.5px;
    padding-left: 1em;
    padding-right: 1em;
    margin-left: 0.5em;
    margin-right: 0.5em;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
    border: 1px solid #FFFFFF;
    border-radius: 17px;
    color: #FFFFFF;
    background-color: transparent;
    font-size: var(--font-size-p);
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
    overflow: hidden;
}

.top-filter-button:hover span {
    background-color: #FF6D65;
    border: 1px solid #FF6D65;
}

.top-filter-button.active span {
    background-color: #FF6D65;
    border: 1px solid #FF6D65;
}

.top-filter-button.active:hover span {
    background-color: #FF6D65;
    border: 1px solid #FF6D65;
}

.top-filter-button span.selected {
    background-color: #FF6D65;
    border: 1px solid #FF6D65;
}

.top-filter-button.active span::after {
    content: none; 
}

.top-filter-group.secondary-group {
    padding: 0.5em 0;
    margin-left: 10px;
    margin-right: 10px;
    background-color: transparent; 
    border: 1px solid #ffffff; 
    border-radius: 4px;
}

.top-filter-group.secondary-group.hidden {
    display: none;
}

/* Select by Application 按钮选中时的状态（作为父级菜单指示） */
.top-filter-button.menu-active span {
    background-color: #334466; /* 使用深蓝色区分菜单打开状态 */
    border-color: #334466;
    color: #fff;
    padding-right: 35px; /* 增加右侧内边距，给箭头留出空间 */
}

.top-filter-button.menu-active:hover span {
    background-color: #26334d;
}

/* 菜单打开时显示向下的箭头 */
.top-filter-button.menu-active span::after {
    content: '▼'; 
    font-size: 10px;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
}

/* 移动端适配 */
@media (max-width: 1200px) {
    .top-filter-group.secondary-group {
        padding: 5px;
        margin-left: 5px;
        margin-right: 5px;
        flex-direction: row; 
        flex-wrap: wrap; 
        display: flex;
    }

    .top-filter-group.secondary-group.hidden {
        display: none;
    }
}