/**/
.about-us-container {
    width: 100%;
    height: auto;
    background-color: #ffffff;
}

.about-us-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1600px;
    height: 100%;
    margin: 0 auto;
    padding: 50px 0;
    /*border: 1px solid #f1132d;*/
}

.about-us-header-container {
    width: 100%;
    padding: 20px 0;
    /*border-bottom: 1px solid #e9ecef;*/
    /*margin-bottom: 30px;*/
}

.about-us-body-container {
    display: flex;
    width: 100%;
    gap: 20px;
}



.about-us-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.page-title {
    font-size: 24px;
    color: #4a78f4;
    font-weight: bold;
    /*margin: 0;*/
    /*margin-left: 30px;*/
}

.breadcrumb {
    color: #6c757d;
    font-size: 14px;
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.breadcrumb a {
    color: #6c757d;
    text-decoration: none;

}

.breadcrumb a:hover {
    text-decoration: underline;
}



.about-us-sidebar {
    width: 200px;
    min-width: 200px;
    /*background-color: #f8f9fa;*/
    /*border-right: 2px solid #ddd;*/
    padding: 20px 0;
    box-sizing: border-box;
}

.about-us-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-us-sidebar li {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.3s;
    border-left: 4px solid transparent;
}

.about-us-sidebar li:hover {
    background-color: #e9ecef;
}

.about-us-sidebar li.active {
    background-color: #ffffff;
    border-left-color: #4a78f4;
    font-weight: bold;
}

.about-us-main {
    flex: 1;
    padding: 20px;
    background-color: #fff;
    box-sizing: border-box;
    margin-left: 50px;
}

.content-section {
    display: none;
    padding: 20px;
    line-height: 1.8;
    word-wrap: break-word;           /* IE10+ */
    overflow-wrap: break-word;      /* 现代浏览器 */
    white-space: normal;            /* 允许换行 */
    max-width: 100%;                /* 防止内容超出父容器 */
    box-sizing: border-box;         /* 包含 padding 在内计算宽度 */
}

.content-section img {
    max-width: 100%;
    height: auto;
}

.content-section.active {
    display: block;
}
/**/