/* 自定义导航菜单样式 - 二级菜单默认展开 */

/* 导航菜单基础样式 */
.nav {
    position: relative;
    font-size: 15px;
    margin: 10px 0;
}

.nav i {
    margin-right: 10px;
    top: 2px;
}

.nav li {
    position: relative;
}

.nav li a {
    padding: 10px 30px;
    color: var(--tb--base);
    display: block;
}

.nav li a:focus,
.nav li a:hover {
    color: var(--tb--main);
    background-color: #fbfbfb;
}

.nav li.current-menu-item > a,
.nav li.current-menu-parent > a,
.nav li.current_page_item > a,
.nav li.current-post-ancestor > a {
    color: var(--tb--main);
    font-weight: bold;
}

.nav li.current-menu-item > a > i,
.nav li.current-menu-parent > a > i,
.nav li.current_page_item > a > i,
.nav li.current-post-ancestor > a > i {
    font-weight: normal;
}

/* 一级菜单项样式 - 移除下拉箭头 */
.nav li.menu-item-has-children > a::before {
    display: none;
}

.nav li:hover > a {
    background-color: #fbfbfb;
}

/* 二级菜单样式 - 默认展开，直接显示在一级菜单下方 */
.nav .sub-menu {
    position: static !important;
    display: block !important;
    min-width: auto;
    font-size: 14px;
    background-color: transparent;
    box-shadow: none;
    z-index: 2;
    padding: 0;
    margin: 0;
    border: none;
    width: 100%;
    left: auto !important;
    top: auto !important;
}

.nav .sub-menu li {
    margin: 0;
    padding: 0;
    width: 100%;
    display: block;
}

.nav .sub-menu li a {
    padding: 8px 30px 8px 50px;
    font-size: 13px;
    color: var(--tb--gray);
    background-color: transparent;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    display: block;
    line-height: 1.4;
}

.nav .sub-menu li a:hover {
    color: var(--tb--main);
    background-color: #f8f8f8;
    border-left-color: var(--tb--main);
}

.nav .sub-menu li.current-menu-item > a,
.nav .sub-menu li.current_page_item > a {
    color: var(--tb--main);
    background-color: #f8f8f8;
    border-left-color: var(--tb--main);
    font-weight: normal;
}

/* 二级菜单项前的连字符样式 - 与图片中的效果一致 */
.nav .sub-menu li a::before {
    content: "- ";
    margin-right: 5px;
    color: var(--tb--gray);
    font-size: 12px;
    font-weight: bold;
    position: absolute;
    left: 35px;
}

.nav .sub-menu li a:hover::before,
.nav .sub-menu li.current-menu-item > a::before,
.nav .sub-menu li.current_page_item > a::before {
    color: var(--tb--main);
}

/* 确保一级菜单项没有悬停时的子菜单显示效果 */
.nav li:hover .sub-menu {
    display: block !important;
}

/* 移动端样式调整 */
@media (max-width: 768px) {
    .nav {
        height: 42px;
        margin: 0;
        background-color: var(--tb--white);
        font-size: 14px;
        overflow: hidden;
        border-bottom: none;
        padding-left: 9px;
        padding-right: 40px;
        box-shadow: 0 1px 5px rgba(0,0,0,.03);
    }
    
    .nav li {
        display: inline-block;
        position: relative;
        z-index: 2;
    }
    
    .nav li a {
        padding: 0 6px !important;
        line-height: 42px;
        position: relative;
        color: #444;
    }
    
    /* 移动端隐藏二级菜单 */
    .nav .sub-menu {
        display: none !important;
    }
    
    .nav i {
        display: none;
    }
    
    .nav li.current-menu-item > a,
    .nav li.current-menu-parent > a,
    .nav li.current_page_item > a,
    .nav li.current-post-ancestor > a,
    .nav li a:hover {
        background-color: rgba(0,0,0,0) !important;
        font-weight: bold;
    }
    
    .nav li.current-menu-item > a:after,
    .nav li.current-menu-parent > a:after,
    .nav li.current_page_item > a:after,
    .nav li.current-post-ancestor > a:after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        margin-left: -8px;
        width: 16px;
        height: 3px;
        background-color: var(--tb--main);
        border-radius: 10px;
    }
}

/* 移动端展开菜单样式 */
@media (max-width: 768px) {
    .navshows {
        overflow: hidden;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        height: 100%;
    }
    
    .navshows .nav {
        position: fixed;
        left: 0;
        top: 42px;
        right: 0;
        bottom: 0;
        height: 100%;
        padding: 0 15px 100px;
        overflow-y: auto;
    }
    
    .navshows .nav li.navmore {
        border-bottom: none;
    }
    
    .navshows .nav li.navmore i {
        margin-left: 15px;
    }
    
    .navshows .nav li.current-menu-item > a,
    .navshows .nav li.current-menu-parent > a,
    .navshows .nav li.current_page_item > a,
    .navshows .nav li.current-post-ancestor > a {
        height: auto;
        border-bottom: none;
    }
    
    .navshows .nav li.current-menu-item > a::after,
    .navshows .nav li.current-menu-parent > a::after,
    .navshows .nav li.current_page_item > a::after,
    .navshows .nav li.current-post-ancestor > a::after {
        display: none;
    }
    
    .navshows .nav > li {
        display: block;
        border-bottom: 1px solid var(--tb--line);
        float: none;
        text-align: left;
    }
    
    .navshows .nav li a {
        font-size: 14px;
        padding: 0;
    }
    
    .navshows .nav li a:hover {
        background-color: rgba(0,0,0,0);
    }
    
    /* 移动端展开时显示二级菜单 */
    .navshows .nav .sub-menu {
        display: block !important;
        position: relative;
        left: 0;
        border: none;
        min-width: 0;
        box-shadow: none;
        padding: 0;
    }
    
    .navshows .nav .sub-menu li {
        margin-left: 28px;
        display: block;
    }
    
    .navshows .nav .sub-menu a {
        padding: 0;
        font-weight: normal;
    }
}