/* 帮助中心 - 页面容器与布局 */
.help-container {
    width: 1200px;
    margin: 0 auto;
    margin-top: 30px;
    padding: 20px 0;
}

.help-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* 左侧边栏 - 分类列表 */
.help-sidebar {
    width: 200px;
    flex-shrink: 0;
}

.help-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-list-item {
    margin-bottom: 0;
}

.help-list-item a {
    display: block;
    padding: 12px 15px;
    color: #333;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.help-list-item a:hover {
    background: linear-gradient(90deg, #e6f7ff, #f0faff);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.help-list-item.active a {
    background: linear-gradient(90deg, #e6f7ff, #f0faff);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.help-empty {
    padding: 12px 15px;
    color: #999;
    text-align: center;
}

.help-loading {
    padding: 12px 15px;
    color: #999;
    text-align: center;
}

/* 右侧内容区 */
.help-content {
    flex: 1;
    min-width: 0;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 30px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.help-content h2 {
    margin: 0 0 20px 0;
    font-size: 24px;
    color: #222;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 15px;
}

.help-content > div {
    line-height: 1.8;
    color: #333;
    font-size: 14px;
}

.help-content > div p {
    margin: 10px 0;
}

.help-no-data {
    text-align: center;
    padding: 40px 20px;
    color: #999;
}

.help-no-data p {
    margin: 0;
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 768px) {
    .help-container {
        width: 100%;
        padding: 10px;
    }

    .help-wrapper {
        flex-direction: column;
    }

    .help-sidebar {
        width: 100%;
    }

    .help-content {
        padding: 20px;
    }

    .help-content h2 {
        font-size: 20px;
    }
}