.bg-div {
    background-color: #F5F5F5;
    padding-top: 10px;
}
    .detailsCentera20 {
       
        display: flex;
        width: 1202px;
        margin: 0 auto;
    }

    /* 基础样式重置 */
.help-main * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 主容器样式 */
.help-main {
    display: flex;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    font-family: "Microsoft YaHei", 微软雅黑, Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* 左侧菜单样式 */
.help-main-left {
    width: 220px;
    background-color: #fff;
    border-right: 1px solid #e8e8e8;
    padding: 15px 0;
    height: 450px;
}

.help-main-left h2 {
    font-size: 18px;
    color: #333;
    padding: 0 20px 15px;
    border-bottom: 1px solid #e8e8e8;
    
}

.help-main-left ul {
    list-style: none;
}

.help-main-left li {
    margin-bottom: 5px;
}

.help-main-left li > span {
    display: block;
    padding: 8px 20px;
    cursor: pointer;
    font-size: 16px;
    color: #666;
    transition: all 0.3s;
}

.help-main-left li > span:hover,
.help-main-left li > span.active {
    color: #444;
    background-color: #fff;
    text-decoration: none;
    border-left: 3px solid #0193e6;
    font-weight: 700;
}

/* 下拉链接样式 */
.help-link {
    display: none;
    padding: 5px 0 10px 30px;
    background-color: #fff;
}

.help-link.active {
    display: block;
}

.help-link a {
    display: block;
    padding: 6px 0;
    font-size: 14px;
    color: #666;
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

.help-link a:hover,
.help-link a.active {
    color: #0193e6;
    text-decoration: underline;
    text-decoration: none;
}

/* 右侧内容区样式 */
.help-main-right {
    flex: 1;
    padding: 20px 30px;
    background-color: #fff;
}

.right-title {
    font-size: 30px;
    color: #ccc;
    padding-bottom: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid #e9e9e9;
    font-weight: bold;
}

.help-content {
    margin-bottom: 30px;
}

.help-content h3 {
    font-size: 16px;
    color: #333;
    margin: 15px 0 10px;
}

.help-content ul {
    /* padding-left: 20px; */
}

.help-content li {
    margin-bottom: 8px;
    font-size: 14px;
    color: #555;
    font-weight: 500;
}
.help-content li:hover{
font-weight: 500;
}

.help-content img {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
    border: 1px solid #eee;
}

.help-page-color-blue {
    color: #0066cc !important;
    text-decoration: none !important;
}

.help-page-color-blue:hover {
    text-decoration: underline !important;
}

/* 清除浮动 */
.clear {
    clear: both;
}