/**
 * Smail Medical - 导航菜单样式
 * 包含：桌面端三级下拉菜单 + 移动端汉堡菜单
 */

/* =====================================================
   基础变量
   ===================================================== */
:root {
    --nav-bg-color: #ffffff !important;
    --nav-bg-color-solid: #6B2D5B;
    --nav-text-color: #ffffff;
    --nav-hover-bg: #6B2D5B !important;
    --nav-hover-text: #ffffff;
    --nav-border-color: rgba(255,255,255,0.1);
    --nav-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    --nav-transition: all 0.3s ease;
    --brand-color: #ffffff;
}

/* =====================================================
   桌面端导航 - 基础样式 - 强制统一背景色
   ===================================================== */
.main-navigation,
.main-navigation .nav-container {
    background: #6B2D5B !important;
}

.main-navigation .nav-list,
.main-navigation .nav-list > li {
    background: transparent !important;
}

.main-navigation,
.main-navigation.desktop-nav,
nav.main-navigation.desktop-nav {
    box-shadow: var(--nav-shadow) !important;
    position: relative !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    height: 50px !important;
    overflow: visible !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #6B2D5B !important;
}

.main-navigation .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    height: 45px !important;
    position: relative !important;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: block !important;
}

.main-navigation .nav-container > ul,
.main-navigation .nav-list {
    display: flex !important;
    align-items: center;
    flex-wrap: wrap;
    height: 45px !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 一级导航 */
.main-navigation .nav-container > ul > li,
.main-navigation .nav-list > li {
    position: relative;
    display: block !important;
    height: 45px !important;
}

.main-navigation .nav-container > ul > li > a,
.main-navigation .nav-list > li > a {
    display: block !important;
    padding: 15px 20px !important;
    color: #ffffff !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 15px !important;
    transition: var(--nav-transition);
    white-space: nowrap !important;
    box-sizing: border-box !important;
    line-height: 1 !important;
    visibility: visible !important;
    height: 45px !important;
}

.main-navigation > ul > li > a:hover,
.main-navigation > ul > li:hover > a {
    background: #6B2D5B !important;
    color: inherit !important;
}

/* 导航图标 */
.nav-item-icon {
    margin-right: 8px;
    font-size: 16px;
}

/* =====================================================
   桌面端导航 - 二级下拉菜单
   ===================================================== */
.main-navigation ul ul {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--nav-bg-color);
    box-shadow: var(--nav-shadow);
    border-radius: 0 0 5px 5px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--nav-transition);
    z-index: 1001;
    pointer-events: none;  /* 隐藏时不响应鼠标事件 */
}

/* 只在悬停到链接上时显示下拉菜单（使用 .hover class 控制） */
.main-navigation ul li.hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;  /* 显示时响应鼠标事件 */
}

.main-navigation ul ul li {
    position: relative;
    border-bottom: 1px solid var(--nav-border-color);
}

.main-navigation ul ul li:last-child {
    border-bottom: none;
}

.main-navigation ul ul li a {
    display: block;
    padding: 12px 20px;
    color: var(--nav-text-color);
    text-decoration: none;
    font-size: 14px;
    transition: var(--nav-transition);
}

.main-navigation ul ul li a:hover {
    background: #6B2D5B !important;
    color: #ffffff !important;
    padding-left: 25px;
}

/* =====================================================
   桌面端导航 - 三级侧边菜单
   ===================================================== */
.main-navigation ul ul ul {
    top: 0;
    left: 100%;
    margin-left: -1px;
    border-radius: 0 5px 5px 5px;
}

/* 三级菜单箭头指示 */
.main-navigation ul ul li.has-submenu > a::after {
    content: '›';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: #999;
}

.main-navigation ul ul li.has-submenu:hover > a::after {
    color: #ffffff !important;
}

/* =====================================================
   移动端导航 - 汉堡按钮（桌面端隐藏）
   ===================================================== */
.mobile-menu-toggle,
.mobile-nav-close,
.mobile-navigation,
.mobile-nav-backdrop,
.mobile-nav-overlay,
.sidebar-overlay {
    display: none !important;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block !important;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 9999;
        background: var(--brand-color);
        color: white;
        border: none;
        padding: 10px 15px;
        border-radius: 5px;
        cursor: pointer;
        font-size: 20px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        transition: var(--nav-transition);
    }
}

.mobile-menu-toggle:hover {
    background: #5a254a;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #6B2D5B !important;
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
}

/* =====================================================
   移动端导航 - 侧边抽屉菜单
   ===================================================== */
.mobile-navigation {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: #6B2D5B;
    z-index: 9999;
    overflow-y: auto;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
}

.mobile-navigation.active {
    left: 0;
}

.mobile-navigation .mobile-header {
    background: var(--brand-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-navigation .mobile-header h3 {
    margin: 0;
    font-size: 18px;
}

.mobile-navigation .close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-navigation ul {
    padding: 0;
}

.mobile-navigation > ul > li {
    border-bottom: 1px solid var(--nav-border-color);
}

.mobile-navigation a {
    display: block;
    padding: 15px 20px;
    color: var(--nav-text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--nav-transition);
}

.mobile-navigation > ul > li > a {
    background: #f8f9fa;
}

.mobile-navigation a:hover {
    background: #6B2D5B !important;
    color: #ffffff !important;
}

/* 移动端子菜单 */
.mobile-navigation ul ul {
    display: none;
    background: #f8f9fa;
}

.mobile-navigation ul ul li {
    border-bottom: 1px solid #e0e0e0;
}

.mobile-navigation ul ul a {
    padding-left: 40px;
    font-weight: normal;
    font-size: 14px;
}

/* 移动端三级菜单 */
.mobile-navigation ul ul ul a {
    padding-left: 60px;
    font-size: 13px;
}

/* 展开/折叠箭头 */
.mobile-navigation .submenu-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 18px;
    color: #999;
    cursor: pointer;
    padding: 5px 10px;
    transition: transform 0.3s ease;
}

.mobile-navigation .submenu-toggle.active {
    transform: translateY(-50%) rotate(90deg);
}

.mobile-navigation li.open > ul {
    display: block;
}

/* =====================================================
   响应式断点
   ===================================================== */

/* 平板和移动端 */
@media (max-width: 1024px) {
    .main-navigation .nav-container {
        padding: 0 15px;
    }
    
    .main-navigation > ul > li > a {
        padding: 12px 15px;
        font-size: 14px;
    }
}

/* 移动端 - 临时禁用新导航样式，使用原有样式 */
@media (max-width: 768px) {
    /* .mobile-menu-toggle {
        display: block;
    }
    
    .sidebar-overlay {
        display: block;
    }
    
    .main-navigation {
        display: none;
    } */
    
    /* 隐藏新导航的移动端部分，使用 header.php 原有样式 */
    .mobile-navigation,
    .mobile-nav {
        display: none !important;
    }
}

/* 小屏幕手机 */
@media (max-width: 480px) {
    .mobile-navigation {
        width: 260px;
    }
    
    .mobile-navigation a {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .mobile-navigation ul ul a {
        padding-left: 35px;
    }
    
    .mobile-navigation ul ul ul a {
        padding-left: 55px;
    }
}

/* =====================================================
   动画效果
   ===================================================== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* =====================================================
   无障碍支持
   ===================================================== */
.main-navigation a:focus,
.mobile-navigation a:focus,
.mobile-menu-toggle:focus {
    outline: 2px solid var(--brand-color);
    outline-offset: 2px;
}

/* 屏幕阅读器专用 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== 紧急修复：确保一级菜单文字可见 ===== */
.main-navigation > ul > li > a {
    color: #ffffff !important;
    background-color: #6B2D5B !important;
    display: block !important;
    padding: 15px 20px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    text-decoration: none !important;
}

.main-navigation > ul > li > a:hover {
    color: #ffffff !important;
    background-color: #6B2D5B !important;
}

/* 确保导航容器可见 */
.main-navigation,
.main-navigation .nav-container,
.main-navigation ul,
.main-navigation li {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.nav-list {
    display: flex !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #6B2D5B !important;
}

.nav-list li {
    position: relative !important;
}

.nav-list li a {
    display: block !important;
    padding: 12px 20px !important;
    color: #ffffff !important;
    text-decoration: none !important;
    font-weight: 500 !important;
}

/* ===== 样式微调：优化导航显示 ===== */

/* 修复一级菜单背景和文字 - 使用更高优先级 */
nav.main-navigation.desktop-nav {
    background: #6B2D5B !important;
    margin: 0 !important;
    padding: 0 !important;
}

nav.main-navigation.desktop-nav > .nav-container > ul > li > a {
    color: #ffffff !important;
    background: transparent !important;
    padding: 12px 20px !important;
    font-weight: 500 !important;
    font-size: 15px !important;
}

nav.main-navigation.desktop-nav > .nav-container > ul > li > a:hover {
    background: #f5f5f5 !important;
    color: #ffffff !important;
}

/* 确保导航容器可见 */
nav.main-navigation.desktop-nav > .nav-container {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* 修复二级菜单样式 */
.main-navigation ul ul {
    background: #6B2D5B !important;
    border: 1px solid #e0e0e0 !important;
    min-width: 200px !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
}

.main-navigation ul ul li a {
    color: #ffffff !important;
    padding: 10px 15px !important;
    background: #6B2D5B !important;
}

.main-navigation ul ul li a:hover {
    background: #f5f5f5 !important;
    color: #ffffff !important;
}

/* 修复导航容器布局 */
.nav-container {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 15px !important;
}

.nav-list {
    display: flex !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    justify-content: flex-start !important;
}

/* 修复下拉箭头 */
.has-submenu > a .arrow {
    display: inline-block;
    margin-left: 5px;
    font-size: 14px;
}

/* 悬停时显示下拉菜单（使用 .hover class 控制） */
.main-navigation li.hover > ul {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    pointer-events: auto !important;  /* 显示时响应鼠标事件 */
}

/* ===== 强制修复：水平布局 ===== */

/* 确保一级菜单是水平排列 */
.main-navigation > .nav-container > ul,
.main-navigation > ul {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 确保每个一级菜单项是行内块/弹性项 */
.main-navigation > ul > li,
.main-navigation .nav-list > li {
    display: inline-block !important;
    float: none !important;
    position: relative !important;
}

/* 修复链接显示 */
.main-navigation > ul > li > a,
.main-navigation .nav-list > li > a {
    display: inline-block !important;
    white-space: nowrap !important;
}

/* 覆盖可能存在的块级显示 */
.nav-list li {
    display: inline-block !important;
    float: none !important;
}

/* 确保nav-list本身是flex行 */
.nav-list {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    gap: 0 !important;
}

/* 修复移动端干扰 */
@media (max-width: 768px) {
    .main-navigation > .nav-container > ul,
    .main-navigation > ul {
        flex-direction: column !important;
    }
    
    .main-navigation > ul > li,
    .main-navigation .nav-list > li {
        display: block !important;
        width: 100% !important;
    }
}

/* ===== 修复按钮样式 ===== */
.main-navigation > ul > li > a,
.main-navigation .nav-list > li > a {
    background: #6B2D5B !important;
    color: #ffffff !important;
    padding: 12px 20px !important;
    border-radius: 4px !important;
    margin: 0 2px !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
}

/* 悬停时保持紫色背景，不改变颜色 */
.main-navigation > ul > li > a:hover,
.main-navigation .nav-list > li > a:hover {
    background: #6B2D5B !important;
    color: #ffffff !important;
}

/* ===== 修复二级菜单：默认隐藏，悬停显示 ===== */
.main-navigation ul ul {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    background: #6B2D5B !important;
    min-width: 200px !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.3s ease !important;
    z-index: 1000 !important;
    pointer-events: none !important;  /* 隐藏时不响应鼠标事件 */
}

/* 使用 .hover class 控制下拉菜单显示 */
.main-navigation li.hover > ul {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    pointer-events: auto !important;  /* 显示时响应鼠标事件 */
}

/* 三级菜单位置调整 */
.main-navigation ul ul ul {
    top: 0 !important;
    left: 100% !important;
}

/* 二级菜单项样式 */
.main-navigation ul ul li {
    display: block !important;
    width: 100% !important;
}

.main-navigation ul ul li a {
    display: block !important;
    padding: 10px 15px !important;
    color: #ffffff !important;
    background: #6B2D5B !important;
    white-space: nowrap !important;
}

.main-navigation ul ul li a:hover {
    background: #f5f5f5 !important;
    color: #ffffff !important;
}

/* ===== 统一导航栏背景色与头部一致 ===== */
.site-header {
    background: #6B2D5B !important;
}

.main-navigation {
    background: #6B2D5B !important;
    margin-top: 0 !important;
    position: relative !important;
    top: auto !important;
}

/* 确保导航栏与头部无缝连接 */
.main-navigation > ul > li > a {
    background: transparent !important;
    color: #ffffff !important;
}

.main-navigation > ul > li > a:hover {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
}

/* ===== 强制修复导航栏背景色 ===== */
.main-navigation,
.main-navigation.desktop-nav {
    background-color: #6B2D5B !important;
    background: #6B2D5B !important;
}

.main-navigation .nav-container,
.main-navigation > ul {
    background-color: #6B2D5B !important;
}

.main-navigation > ul > li > a {
    color: #ffffff !important;
    background-color: transparent !important;
}

.main-navigation > ul > li > a:hover {
    background-color: rgba(255, 255, 255, 0.2) !important;
}

/* =====================================================
   强制覆盖 - 确保导航栏背景色与头部一致
   添加时间：2026-04-15
   ===================================================== */
.main-navigation.desktop-nav,
.main-navigation.desktop-nav .nav-container,
.main-navigation.desktop-nav .nav-list,
.main-navigation.desktop-nav .nav-list li,
.main-navigation.desktop-nav .nav-list li a,
nav.main-navigation,
nav.main-navigation .nav-list,
nav.main-navigation .nav-list li {
    background: #6B2D5B !important;
    background-color: #6B2D5B !important;
}

/* =====================================================
   最终强制覆盖 - 导航栏背景色与头部一致
   添加时间：2026-04-15 20:05
   ===================================================== */
nav.main-navigation.desktop-nav,
nav.main-navigation.desktop-nav .nav-container,
nav.main-navigation.desktop-nav > .nav-list,
nav.main-navigation.desktop-nav > .nav-list > li {
    background: #6B2D5B !important;
    background-color: #6B2D5B !important;
}

nav.main-navigation.desktop-nav > .nav-list > li > a {
    background: transparent !important;
}

nav.main-navigation.desktop-nav > .nav-list > li > a:hover {
    background: #f5f5f5 !important;
}

/* =====================================================
   修正选择器 - 匹配实际 HTML 结构
   nav > div.nav-container > ul.nav-list
   ===================================================== */
nav.main-navigation.desktop-nav,
nav.main-navigation.desktop-nav > div.nav-container,
nav.main-navigation.desktop-nav > div.nav-container > ul.nav-list,
nav.main-navigation.desktop-nav > div.nav-container > ul.nav-list > li {
    background: #6B2D5B !important;
    background-color: #6B2D5B !important;
}

/* =====================================================
   终极强制覆盖 - 导航栏背景色
   添加时间：2026-04-15 20:15

/* ===== 导航菜单样式 - 20260418-1930 ===== */
/* 导航菜单在固定容器内，使用 relative 定位 */
.main-navigation,
.main-navigation.desktop-nav {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    width: 100% !important;
    height: 50px !important;
    background: #6B2D5B !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;

/* ===== 导航菜单样式 - 20260418-1940 ===== */
.main-navigation,
.main-navigation.desktop-nav {
    position: relative !important;
    top: auto !important;
    width: 100% !important;
    height: 50px !important;
    background: #6B2D5B !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.main-navigation .nav-container,
.main-navigation .nav-list {
    height: 50px !important;
    display: flex !important;
    align-items: center !important;
}

.main-navigation .nav-list > li > a {
    padding: 15px 20px !important;
    color: #ffffff !important;
    background: #6B2D5B !important;
}

.main-navigation .nav-list > li:hover,
.main-navigation .nav-list > li > a:hover {
    background: #6B2D5B !important;
    color: #ffffff !important;
}

/* ============================================
   面包屑导航优化（单行显示不换行）
   ============================================ */

.breadcrumb {
    width: 100%;
    overflow: hidden;
}

.breadcrumb-list {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 10px 0;
    margin: 0;
}

.breadcrumb-list::-webkit-scrollbar {
    display: none;
}

.breadcrumb-item {
    flex: 0 0 auto;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    margin: 0 8px;
    color: #999;
}

.breadcrumb-link {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
    display: inline-block;
    vertical-align: middle;
    color: #6B2D5B;
    text-decoration: none;
    font-size: 14px;
}

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

.breadcrumb-item.active .breadcrumb-link {
    font-weight: 600;
    color: #B76E79;
    max-width: 300px;
}