/* 主导航整体 */
.site-nav {
    position: relative;
    z-index: 999;
    width: 100%;
    height: 70px;
    margin: 0;
    padding: 0;
    background: transparent;}

/* 一级栏目横向排列 */
.site-nav-list {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    height: 70px;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;}

/* 一级栏目单项 */
.site-nav-item {
    position: relative;
    display: block;
    height: 70px;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;}

/* 一级栏目链接 */
.site-nav-link {
    display: block;
    height: 70px;
    padding: 0 15px;
    box-sizing: border-box;
    color: #23358f;
    font-size: 15px;
    line-height: 70px;
    text-align: center;
    text-decoration: none !important;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: color 0.2s ease,
                background-color 0.2s ease,
                border-color 0.2s ease;}

/* 当前栏目和鼠标经过 */
.site-nav-link:hover,
.site-nav-item.is-active > .site-nav-link {
    color: #3155e7;
    background: #f4f7ff;
    border-bottom-color: #3155e7;}

/* 二级菜单默认隐藏 */
.site-submenu {
    position: absolute;
    top: 70px;
    left: 50%;
    z-index: 1000;
    display: none;
    min-width: 170px;
    margin: 0 !important;
    padding: 8px 0 !important;
    list-style: none !important;
    background: #ffffff;
    border: 1px solid #e5eaf3;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(26, 42, 110, 0.14);
    transform: translateX(-50%);}

/* 鼠标经过一级栏目时显示二级菜单 */
.site-nav-item:hover > .site-submenu {
    display: block;}

/* 二级栏目单项 */
.site-submenu-item {
    display: block;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;}

/* 二级栏目链接 */
.site-submenu-link {
    display: block;
    padding: 10px 18px;
    color: #344054;
    font-size: 14px;
    line-height: 22px;
    text-align: left;
    text-decoration: none !important;
    white-space: nowrap;}

/* 二级栏目悬停和当前栏目 */
.site-submenu-link:hover,
.site-submenu-link.is-active {
    color: #3155e7;
    background: #f3f6fc;}

/* 避免旧模板样式干扰 */
.site-nav ul,
.site-nav li {
    float: none !important;}

.site-nav::after,
.site-nav-list::after {
    display: none !important;
    content: none !important;}

/* 较窄屏幕适配 */
@media screen and (max-width: 1200px) {
    .site-nav-link {
        padding: 0 10px;
        font-size: 14px;}
}