.page-content {
    position: relative;
    min-height: 200vh;
    width: 60vw;
    margin: 0 auto;
}


/* 文案描述-目录相关 */

.sidebar-bg-img {
    width: 100%;
    height: auto;
    position: absolute;
    z-index: 1;
}

.sidebar {
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
    width: 33%;
    padding: 30px 20px;

    position: sticky;
    top: 0px;
    height: 95vh;
    overflow-y: scroll;
}

.sidebar-title {
    font-weight: bold;
    font-size: 3rem;
    margin-bottom: 30px;
    color: #fff;
    
}

.sidebar a {
    text-decoration: none;
}

.sidebar-a {
    margin: 20px 0;
    
}

.sidebar-item {
    width: 100%;
}


.sidebar-item-circle {
    
    
}

.sidebar-item-text {
    margin-left: 10px;

    font-size: 1.5rem;
    color: #fff;
    

    transition: 0.2s;
    font-weight: bold;

    /* transform: translateX(-50px); */
    width: calc(100% - 80px);
}

.sidebar-item:hover > .sidebar-item-circle {
    background-color: #fff;
}

.sidebar-item:hover > .sidebar-item-text {
    /* transform: translateX(0);
    opacity: 1; */
}


.sidebar-item-text-active {
    /* transform: translateX(0);
    opacity: 1; */
}

.sidebar-item-circle-active {
    /* background-color: #fff; */
}


/* 二级标题 */
.sidebar-item-circle-b {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    /* background-color: #eeb8c7; */
    margin: 0 16px;
    transition: .2s;
    background-color: #fff;
}

.sidebar-item-text-b {
    /* margin-left: 5px; */
    width: 80%;
    font-size: 1.1rem;
    color: #fff;
    

    transition: 0.2s;
    font-weight: bold;

    /* opacity: 0;
    transform: translateX(-50px); */
}


/* 三级标题 */
.sidebar-item-c {
    margin-left: 20px;
}

.sidebar-item-circle-c {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    /* background-color: #eeb8c7; */
    margin: 0 16px;
    transition: .2s;
    background-color: #fff;
}

.sidebar-item-text-c {
    margin-left: 16px;
    width: 80%;
    font-size: 1.3rem;
    color: #fff;
    

    transition: 0.2s;
    font-weight: bold;

    /* opacity: 0;
    transform: translateX(-50px); */
}


/* 标题---通用 */
.sidebar-b,.sidebar-c {
    margin-bottom: 8px;
}

.sidebar-item-b,.sidebar-item-c {
    width: 100%;
    
}


.sidebar-item-b:hover > .sidebar-item-text-b {
    transform: translateX(0);
    opacity: 1;
}

.sidebar-item-c:hover > .sidebar-item-text-c {
    transform: translateX(0);
    opacity: 1;
}


/* 标题 -- 滚动条 */
/* 滚动条 */
/* 初始状态下的滚动条样式 */

/* 默认隐藏滚动条 */
.sidebar::-webkit-scrollbar {
    width: 0;
    transition: 1s; 
}

/* 鼠标悬浮时显示滚动条 */
.sidebar:hover::-webkit-scrollbar {
    width: 6px; /* 设置滚动条的宽度 */
    
}

.sidebar::-webkit-scrollbar-thumb {
    /* background-color: #516928; 设置滑块的颜色 */
    border-radius: 2px; /* 设置滑块的圆角 */
}

/* 滚动条轨道的样式 */
.sidebar::-webkit-scrollbar-track {
    /* background-color: #81ac70; 设置轨道的颜色 */
}




/* 文案描述-正文相关 */



.desc-content {
    width: 60%;
    margin: 0 auto;
}

.desc-content-title {
    margin: 30px 0;
    width: 100%;
}

.desc-content-title-circle {
    /* margin-top: 11px;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background-color: #62984e;
    box-shadow: 0px 0px 5px #67a84f, 0px 0px 10px #537b44; */
}

.desc-content-title-text {
    margin-left: -9px;
    width: 60%;
    font-size: 2rem;
    font-weight: bold;
}

.desc-content-common-text {
    font-size: 1.2rem !important;
    line-height: 1.5 !important;
    font-family: math;
    overflow: inherit;
    white-space: pre-wrap;
    word-wrap: break-word;
}


.desc-content > img {
    width: 80%;
    margin: 20px auto;
    height: auto;
}

.desc-content ul li {
    font-size: 1.2rem !important;
    line-height: 1.5 !important;
    font-family: math;
    overflow: inherit;
}

.desc-content-img-desc {
    text-align: center;
    color: #ffffffbb;
}

h3 {
    margin-bottom: 1rem;
    margin-top: 2rem;
}