/* 自定义菜单样式，根据参考网站实现 */

/* 重置菜单样式 */
.wm_logo_c2 {
    width: 100%;
    position: relative;
}

/* 主菜单容器 - 水平布局 */
.topnav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    background: #fff;
    /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
    position: relative;
    z-index: 1000;
}

/* 主菜单项 */
.topnav>li {
    display: inline-block;
    position: relative;
    margin: 0;
    padding: 0;
}

/* 主菜单项链接 */
.topnav>li>a {
    display: block;
    padding: 18px 25px;
    color: #323232;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    font-family: 'Poppins', Arial, sans-serif;
}

/* 移除主菜单项编号 */
.topnav>li>a::before {
    content: none;
}

/* 主菜单项当前项和悬停样式 */
.topnav>li.current-menu-item>a,
.topnav>li:hover>a {
    color: #3D95F2;
    /* background: rgba(61, 149, 242, 0.05); */
}

/* 添加下拉箭头 */
.topnav li.menu-item-has-children>a::after {
    content: none;
}

/* 悬停时箭头旋转 */
.topnav li.menu-item-has-children:hover>a::after {
    transform: rotate(180deg);
}

/* 添加子菜单切换按钮样式 */
.submenu-toggle {
    position: absolute;
    right: 0px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    color: #323232;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    background: transparent;
    border: none;
    transition: all 0.3s ease;
    z-index: 1001;
}

.submenu-toggle:hover {
    background: transparent;
    color: #3D95F2;
}

/* 二级菜单样式 - 仅适用于直接子菜单 */
.topnav>li>.sub-menu {
    display: none;
    position: absolute;
    z-index: 9999;
    width: 280px;
    background: #fff;
    text-align: left;
    top: 100%;
    left: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 0;
    margin: 0;
    border: 1px solid rgba(61, 149, 242, 0.1);
    border-radius: 4px;
    list-style: none;
}

/* 主菜单项悬停时不再显示二级菜单，改为点击显示 */
.topnav>li:hover>.sub-menu {
    display: none;
}

/* 二级菜单项 */
.topnav>li>.sub-menu>li {
    display: block;
    float: none;
    height: auto;
    overflow: hidden;
    margin: 0;
    position: relative;
    width: 100%;
    transition: all 0.3s ease;
}

/* 二级菜单链接 */
.topnav>li>.sub-menu>li>a {
    display: block;
    padding: 12px 20px !important;
    color: #323232;
    text-align: left;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: 'Poppins', Arial, sans-serif;
    position: relative;
    white-space: nowrap;
    background: #fff;
    width: 100%;
    box-sizing: border-box;
}

/* 二级菜单当前项和悬停样式 */
.topnav>li>.sub-menu>li.current-menu-item>a,
.topnav>li>.sub-menu>li:hover>a {
    color: #3D95F2;
    background: rgba(61, 149, 242, 0.05);
}

/* 三级菜单样式 */
.topnav>li>.sub-menu>li>.sub-menu {
    display: none;
    position: static;
    padding: 0;
    margin: 0;
    border: none;
    background: rgba(61, 149, 242, 0.05);
    box-shadow: none;
    width: 100%;
    left: 0;
    top: 0;
    list-style: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 0;
}

/* 三级菜单展开时的样式 */
.topnav>li>.sub-menu>li>.sub-menu.show {
    max-height: 500px;
    padding: 10px 0;
    opacity: 1;
    background: #ffffff;
}

/* 三级菜单项 */
.topnav>li>.sub-menu>li>.sub-menu>li {
    margin: 0;
    background: transparent;
    width: 100%;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
    transition-delay: calc(var(--index) * 0.05s);
}

/* 三级菜单展开时菜单项的样式 */
.topnav>li>.sub-menu>li>.sub-menu.show>li {
    opacity: 1;
    transform: translateX(0);
}

/* 三级菜单链接 */
.topnav>li>.sub-menu>li>.sub-menu>li>a {
    font-size: 12px;
    color: #323232;
    padding: 8px 35px !important;
    background: transparent;
    border: none;
    border-radius: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
    display: block;
    text-align: left;
    font-family: 'Poppins', Arial, sans-serif;
    text-decoration: none;
    position: relative;
    white-space: nowrap;
}

.topnav>li>.sub-menu>li>.sub-menu>li>a:hover {
    background: #f5fafe;
    color: #3D95F2;
}

/* 二级菜单项上的子菜单切换按钮样式 */
.topnav>li>.sub-menu>li.has-submenu {
    position: relative;
}

.topnav>li>.sub-menu>li.has-submenu .submenu-toggle {
    right: 10px;
    top: 20px;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    font-size: 12px;
}



/* 移除默认背景 */
.topnav li.menu-item-has-children {
    background: none;
}

/* 移动端菜单样式 */
.topnav2 {
    display: block;
    list-style: none;
    margin: 0;
    padding: 0;
    background: #fff;
}

.topnav2>li {
    display: block;
    float: none;
    position: relative;
}

.topnav2>li>a {
    padding: 15px 20px;
    font-size: 15px;
    font-weight: 500;
    color: #323232;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
    font-family: 'Poppins', Arial, sans-serif;
}

/* 移除移动端主菜单项编号 */
.topnav2>li>a::before {
    content: none;
}

.topnav2 li.current-menu-item>a,
.topnav2 li:hover>a {
    color: #3D95F2;
    background: rgba(61, 149, 242, 0.05);
}

/* 移动端二级菜单样式 */
.topnav2 li .sub-menu {
    display: none;
    position: relative;
    width: 100%;
    top: auto;
    left: auto;
    background: rgba(61, 149, 242, 0.05);
    box-shadow: none;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 0;
}

/* 移动端主菜单项点击时显示二级菜单 */
.topnav2 li.menu-item-has-children>a::after {
    content: '▼';
    display: inline-block;
    margin-left: 8px;
    font-size: 10px;
    transition: transform 0.3s ease;
    float: right;
    margin-top: 5px;
}

.topnav2 li:hover>.sub-menu {
    display: block;
}

.topnav2 li .sub-menu .sub-menu {
    padding: 0;
    margin: 0;
    background: rgba(61, 149, 242, 0.1);
}

.topnav2 li .sub-menu li {
    display: block;
    margin: 0;
}

.topnav2 li .sub-menu li a {
    padding: 10px 30px !important;
    font-size: 13px;
    color: #323232;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
    font-family: 'Poppins', Arial, sans-serif;
}

/* 移除移动端二级菜单链接符号 */
.topnav2 li .sub-menu li a::before {
    content: none;
}

.topnav2 li .sub-menu li.current-menu-item>a,
.topnav2 li .sub-menu li:hover>a {
    color: #3D95F2;
    background: rgba(61, 149, 242, 0.15);
}

/* 响应式设计 */
@media (max-width: 768px) {

    /* 移动端主菜单改为垂直布局 */
    .topnav {
        display: block;
        box-shadow: none;
    }

    .topnav>li {
        display: block;
        margin: 0;
    }

    .topnav>li>a {
        padding: 15px 20px;
        font-size: 15px;
    }

    /* 移动端子菜单切换按钮样式 */
    .submenu-toggle {
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }

    /* 移动端二级菜单改为全屏宽度 */
    .topnav li .sub-menu {
        position: relative;
        width: 100%;
        top: auto;
        left: auto;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(61, 149, 242, 0.05);
    }

    /* 移动端三级菜单 */
    .topnav li .sub-menu .sub-menu {
        position: static;
        display: none !important;
        width: 100%;
    }
}

/* 面包屑导航样式（如果需要） */
.breadcrumbContainer {
    font-size: 14px;
    line-height: 30px;
    color: #666;
    margin-bottom: 20px;
}

.breadcrumbContainer .el-breadcrumb__item {
    display: inline-block;
}

.breadcrumbContainer .el-breadcrumb__inner {
    color: #666;
    text-decoration: none;
}

.breadcrumbContainer .el-breadcrumb__inner a {
    color: #3D95F2;
    text-decoration: none;
}

.breadcrumbContainer .el-breadcrumb__inner a:hover {
    text-decoration: underline;
}

.breadcrumbContainer .el-breadcrumb__separator {
    color: #999;
    margin: 0 8px;
}