/* 网站地图标题样式 */
.sitemap-page-box{
    padding:200px 0 100px;
}
.sitemap-title {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #3498db;
    font-size: 2rem;
    font-weight: 600;
}

/* 网站地图容器 */
#sitemap {
    width: 100%;
}

/* 一级UL容器 */
#sitemap > ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 一级LI项 - 卡片式设计 */
#sitemap > ul > li {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

/* 一级LI hover效果 */
#sitemap > ul > li:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* 一级链接样式 */
#sitemap > ul > li > a {
    font-size: 1.25rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
    display: block;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #eee;
}

/* 一级链接hover效果 */
#sitemap > ul > li > a:hover {
    color: #3498db;
    border-bottom-color: #3498db;
}
#sitemap > ul > li:not(:nth-child(4)) ul{
    display: flex;
    flex-wrap: wrap;
}
#sitemap > ul > li:not(:nth-child(4)) ul > li{
    width:50%;
}
#sitemap > ul > li:nth-child(4) ul > li > ul >li > ul{
    display:flex;
    flex-wrap: wrap;
}
#sitemap > ul > li:nth-child(4) ul > li{
    position: relative;
    padding-left:25px;
    box-sizing:border-box;
}
#sitemap > ul > li:nth-child(4) ul > li::after{
    content: '';
    background:url(../images/pro-c-01.png) no-repeat center;
    width:20px;
    height:20px;
    display: block;
    position: absolute;
    left:0;
    top:7px;
}
#sitemap > ul > li:nth-child(4) ul > li > ul >li::after{
    content: '';
    background:url(../images/pro-c-02.png) no-repeat center;
    width:20px;
    height:20px;
    display: block;
    position: absolute;
    left:0;
    top:7px;
}
#sitemap > ul > li:nth-child(4) ul > li > ul >li > ul > li{
    width:25%;
}
#sitemap > ul > li:nth-child(4) ul > li > ul >li > ul > li::after{
    content: '';
    background:url(../images/pro-c-03.png) no-repeat center;
    width:20px;
    height:20px;
    display: block;
    position: absolute;
    left:0;
    top:4px;
}
/* 二级UL容器 */
#sitemap ul ul {
    list-style: none;
    margin: 0 0 0 1.5rem;
    padding: 0;
}

/* 二级LI项 */
#sitemap ul ul li {
    margin-bottom: 0.8rem;
    position: relative;
}

/* 二级链接样式 */
#sitemap ul ul li > a {
    color: #34495e;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    display: block;
    padding: 0.4rem 0;
}

/* 二级链接hover效果 */
#sitemap ul ul li > a:hover {
    color: #3498db;
    text-decoration: underline;
}

/* 三级UL容器 */
#sitemap ul ul ul {
    margin: 0.5rem 0 0 1.5rem;
    padding: 0;
}

/* 三级LI项 */
#sitemap ul ul ul li {
    margin-bottom: 0.6rem;
}

/* 三级链接样式 */
#sitemap ul ul ul li > a {
    color: #7f8c8d;
    font-size: 1rem;
    font-weight: 400;
    padding: 0.3rem 0;
}

/* 四级UL容器 */
#sitemap ul ul ul ul {
    margin: 0.3rem 0 0 1.5rem;
    padding: 0;
}

/* 四级LI项 */
#sitemap ul ul ul ul li {
    margin-bottom: 0.4rem;
}

/* 四级链接样式 */
#sitemap ul ul ul ul li > a {
    color: #95a5a6;
    font-size: 0.95rem;
    padding: 0.2rem 0;
}

/* 响应式适配 - 移动端 */
@media (max-width: 768px) {
    body {
        padding: 1rem;
        line-height: 1.6;
    }

    .sitemap-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    #sitemap > ul > li {
        padding: 1rem;
    }
    #sitemap > ul > li:not(:nth-child(4)) ul > li{
        width:100%;
    }
    #sitemap ul ul,
    #sitemap ul ul ul,
    #sitemap ul ul ul ul {
        margin-left: 1rem;
    }
    
    #sitemap > ul > li > a {
        font-size: 1.1rem;
    }

    #sitemap ul ul li > a {
        font-size: 1rem;
    }

    #sitemap ul ul ul li > a {
        font-size: 0.95rem;
    }

    #sitemap ul ul ul ul li > a {
        font-size: 0.9rem;
    }
}

/* 打印样式优化 */
@media print {
    body {
        background-color: white;
        padding: 1rem;
    }

    #sitemap > ul > li {
        box-shadow: none;
        border: 1px solid #eee;
    }
}