/* 折叠列表容器 */
.collapsible-list-container {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin: 20px 0;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 列表头部 */
.collapsible-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    cursor: pointer;
    transition: background 0.3s ease;
}

.collapsible-list-header:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.collapsible-list-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    flex: 1;
}

/* 切换按钮 */
.collapsible-list-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 4px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    min-width: 80px;
    justify-content: center;
}

.collapsible-list-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toggle-icon {
    transition: transform 0.3s ease;
    display: inline-block;
    font-size: 10px;
    line-height: 1;
}

.collapsible-list-container[data-state="expanded"] .toggle-icon {
    transform: rotate(90deg);
}

/* 列表内容 */
.collapsible-list-content {
    padding: 0;
    background: #f9f9f9;
    overflow: hidden;
}

.collapsible-list-items {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 列表项 */
.collapsible-list-item {
    display: block !important;
    padding: 12px 20px !important;
    border-bottom: 1px solid #eee !important;
    font-size: 14px !important;
    line-height: 1.6 !important;
    color: #333 !important;
    transition: background 0.2s ease !important;
    background: #fff !important;
    list-style: none !important;
    margin: 0 !important;
}

.collapsible-list-item:last-child {
    border-bottom: none !important;
}

.collapsible-list-item:hover {
    background: #f8f9ff !important;
}

/* 关键：完全移除列表项前面的点 */
.collapsible-list-item::before,
.collapsible-list-item::marker,
.collapsible-list-items::before {
    content: none !important;
    display: none !important;
}

/* 内容包装器 */
.item-content-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

/* 序号样式 */
.item-number {
    font-weight: bold;
    color: #667eea;
    font-size: 14px;
    min-width: 40px;
    text-align: right;
    flex-shrink: 0;
    padding-top: 1px;
}

/* 文本内容 */
.item-text {
    flex: 1;
    word-break: break-word;
    line-height: 1.5;
}

/* 高亮括号内的内容 */
.item-text {
    color: #444;
}

/* 可以可选地高亮某些部分 */
.item-text span.highlight {
    color: #e74c3c;
    font-weight: bold;
}

/* 空状态 */
.collapsible-list-empty {
    text-align: center;
    padding: 30px;
    color: #999;
    background: #f9f9f9;
    border-radius: 8px;
    border: 2px dashed #ddd;
    margin: 20px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .collapsible-list-header {
        padding: 12px 16px;
        flex-wrap: wrap;
    }
    
    .collapsible-list-title {
        font-size: 16px;
        margin-bottom: 8px;
        width: 100%;
    }
    
    .collapsible-list-toggle {
        align-self: flex-end;
        min-width: 70px;
        padding: 6px 12px;
    }
    
    .collapsible-list-item {
        padding: 10px 16px !important;
    }
    
    .item-content-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .item-number {
        text-align: left;
        min-width: auto;
        font-weight: bold;
        background: #f0f3ff;
        padding: 2px 8px;
        border-radius: 4px;
        display: inline-block;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}