/* WordPress标准导航菜单样式 */
/* 基于hello-elementor主题的菜单系统 */

/* 站点头部 - 使用CSS变量统一样式 */
.site-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-block-end: calc(var(--spacing-unit) * 2);
    padding-block-start: calc(var(--spacing-unit) * 2);
    position: relative;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: calc(var(--spacing-unit) * 4);
    height: var(--header-height);
    z-index: var(--z-index-header);
}

.site-header .header-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    margin-inline-start: auto;
    margin-inline-end: auto;
}

/* 站点品牌 */
.site-branding {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.site-branding .site-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    color: var(--title-color);
    white-space: nowrap;
}

.site-branding .site-title a {
    text-decoration: none;
    color: inherit;
}

.site-branding .custom-logo-link {
    display: flex;
    align-items: center;
}

.site-branding .site-logo {
    display: block;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* 主导航 */
.site-navigation {
    align-items: center;
    display: flex;
}

.site-navigation ul.menu,
.site-navigation ul.menu ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.site-navigation ul.menu {
    display: flex;
    flex-wrap: wrap;
}

.site-navigation ul.menu li {
    display: flex;
    position: relative;
}

.site-navigation ul.menu li a {
    display: block;
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.875);
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    font-weight: 500;
    background-color: transparent;
    border: 1px solid transparent;
}

.site-navigation ul.menu li a:hover {
    background-color: var(--button-bg-color);
    border-color: var(--border-color);
    transform: translateY(-1px);
}

.site-navigation ul.menu li.current-menu-item > a,
.site-navigation ul.menu li.current-menu-ancestor > a {
    background-color: var(--button-bg-color);
    border-color: var(--border-color);
    font-weight: 600;
}

html.dark .site-navigation ul.menu li a {
    color: var(--text-color);
}

html.dark .site-navigation ul.menu li a:hover {
    background-color: var(--button-bg-color);
    border-color: var(--border-color);
}

html.dark .site-navigation ul.menu li.current-menu-item > a,
html.dark .site-navigation ul.menu li.current-menu-ancestor > a {
    background-color: var(--button-bg-color);
    border-color: var(--border-color);
}

/* 下拉菜单 */
.site-navigation ul.menu li.menu-item-has-children {
    padding-inline-end: 15px;
}

.site-navigation ul.menu li.menu-item-has-children:after {
    align-items: center;
    color: var(--text-color);
    content: "▾";
    display: flex;
    font-size: 1.5em;
    justify-content: center;
    text-decoration: none;
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.site-navigation ul.menu li.menu-item-has-children:focus-within > ul {
    display: block;
}

.site-navigation ul.menu li ul {
    background: var(--bg-color);
    display: none;
    left: 50%;
    transform: translateX(-50%);
    min-width: 12rem;
    max-width: 16rem;
    position: absolute;
    top: 100%;
    z-index: 1000;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--box-shadow);
    padding: 0.75rem 0;
    margin: 0.25rem 0 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
}

.site-navigation ul.menu li:hover > ul {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 防止菜单超出屏幕右侧 */
.site-navigation ul.menu li:last-child ul,
.site-navigation ul.menu li:nth-last-child(2) ul {
    left: auto;
    right: 0;
    transform: translateX(0);
}

.site-navigation ul.menu li:last-child:hover ul,
.site-navigation ul.menu li:nth-last-child(2):hover ul {
    transform: translateX(0) translateY(0);
}

.site-navigation ul.menu li ul li {
    border-block-end: 1px solid var(--border-color);
    display: block;
    width: 100%;
}

.site-navigation ul.menu li ul li:last-child {
    border-block-end: none;
}

.site-navigation ul.menu li ul li a {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 0.75rem 1.25rem;
    text-align: left;
    white-space: nowrap;
    border-radius: 0;
    font-size: 0.95rem;
    border: none;
    background: transparent;
}

.site-navigation ul.menu li ul li a:hover {
    background-color: var(--button-bg-color);
    color: var(--title-color);
    padding-left: 1.5rem;
    transform: none;
    border: none;
}

.site-navigation ul.menu li ul li:first-child a {
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.site-navigation ul.menu li ul li:last-child a {
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

/* 移动端菜单切换按钮 */
.site-navigation-toggle-holder {
    align-items: center;
    display: none;
    padding: 8px 15px;
    margin-left: auto;
    z-index: 1001;
}

.site-navigation-toggle-holder .site-navigation-toggle {
    align-items: center;
    background-color: var(--button-bg-color);
    border: 0 solid;
    border-radius: var(--border-radius);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    justify-content: center;
    padding: 0.5rem;
}

.site-navigation-toggle-holder .site-navigation-toggle-icon {
    position: relative;
    width: 1.25rem;
    height: 1rem;
    display: block;
}

.site-navigation-toggle-holder .site-navigation-toggle-icon:after,
.site-navigation-toggle-holder .site-navigation-toggle-icon:before {
    background-color: currentColor;
    border-radius: 3px;
    content: "";
    display: block;
    height: 3px;
    width: 100%;
    transition: all 0.2s ease-in-out;
    position: absolute;
    left: 0;
}

.site-navigation-toggle-holder .site-navigation-toggle-icon:before {
    top: 0;
    box-shadow: 0 0.35rem 0 currentColor;
}

.site-navigation-toggle-holder .site-navigation-toggle-icon:after {
    bottom: 0;
}

.site-navigation-toggle-holder .site-navigation-toggle[aria-expanded="true"] .site-navigation-toggle-icon:before {
    box-shadow: none;
    transform: translateY(0.35rem) rotate(45deg);
}

.site-navigation-toggle-holder .site-navigation-toggle[aria-expanded="true"] .site-navigation-toggle-icon:after {
    transform: translateY(-0.35rem) rotate(-45deg);
}

/* 移动端下拉菜单 */
.site-navigation-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 10000;
    display: none;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 0.5rem 0.5rem;
    box-shadow: var(--box-shadow);
}

.site-navigation-toggle-holder.elementor-active + .site-navigation-dropdown {
    display: block;
}

.site-navigation-dropdown ul {
    padding: 0;
}

.site-navigation-dropdown ul.menu {
    background: var(--bg-color);
    margin: 0;
    padding: 0;
    position: absolute;
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.site-navigation-dropdown ul.menu li {
    display: block;
    position: relative;
    width: 100%;
}

.site-navigation-dropdown ul.menu li a {
    background: var(--bg-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    padding: 20px;
    border-radius: 0;
    font-size: 1.1rem;
    font-weight: 500;
    min-height: 3rem;
    transition: all var(--transition-speed) ease;
    text-decoration: none;
    border-bottom: none;
    box-shadow: none;
}

.site-navigation-dropdown ul.menu li.current-menu-item a {
    background: var(--button-bg-color);
    color: var(--title-color);
    font-weight: 600;
}

.site-navigation-dropdown ul.menu li a:hover {
    background: var(--button-bg-color);
    color: var(--title-color);
    transform: scale(1.02);
}

.site-navigation-dropdown ul.menu > li li {
    max-height: 0;
    transform: scaleY(0);
    transform-origin: top;
    transition: max-height var(--transition-speed), transform var(--transition-speed);
    overflow: hidden;
}

.site-navigation-dropdown ul.menu li.elementor-active > ul > li {
    max-height: 100vh;
    transform: scaleY(1);
}

/* 响应式断点 */
@media (max-width: 767px) {
    .site-navigation-toggle-holder {
        display: flex !important;
    }
    
    .site-navigation {
        display: none !important;
    }
    
    .site-header.menu-dropdown-mobile .site-navigation {
        display: none !important;
    }
    
    .site-header.menu-dropdown-mobile .site-navigation-toggle-holder {
        display: flex !important;
    }
    
    .site-header .header-inner {
        padding-inline-start: 10px;
        padding-inline-end: 10px;
    }
    
    .site-navigation-dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 70vh;
        border-radius: 0 0 var(--border-radius) var(--border-radius);
        transform: translateY(0);
        transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease;
        overflow-y: visible;
    }
    
    .site-navigation-toggle-holder.elementor-active + .site-navigation-dropdown {
        transform: translateY(0);
        opacity: 1;
    }
    
    .site-navigation-dropdown ul.menu li a {
        padding: 1rem 1.5rem;
        font-size: 1.2rem;
        min-height: 3.5rem;
        border-bottom: 1px solid var(--border-color);
        text-decoration: none;
    }
    
    .site-navigation-dropdown ul.menu li:last-child a {
        border-bottom: none;
    }
}

@media (min-width: 768px) {
    .site-header.menu-dropdown-mobile:not(.menu-layout-dropdown) .site-navigation-toggle-holder {
        display: none !important;
    }
    
    .site-header .header-inner {
        max-width: 600px;
    }
}

@media (min-width: 992px) {
    .site-header .header-inner {
        max-width: 800px;
    }
}

@media (min-width: 1200px) {
    .site-header .header-inner {
        max-width: 1140px;
    }
}

/* 深色模式支持 */
html.dark .site-navigation ul.menu li ul {
    box-shadow: var(--box-shadow);
    border-color: var(--border-color);
}

html.dark .site-navigation ul.menu li a:hover {
    background-color: var(--button-bg-color);
}

html.dark .site-navigation-dropdown ul.menu {
    box-shadow: var(--box-shadow);
}

/* 无障碍访问支持 */
@media (prefers-contrast: high) {
    .site-navigation ul.menu li a {
        border: 2px solid var(--border-color);
    }
    
    .site-navigation ul.menu li a:hover {
        border-color: var(--title-color);
    }
    
    .site-navigation ul.menu li ul {
        border: 2px solid var(--border-color);
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .site-navigation ul.menu li a,
    .site-navigation ul.menu li ul,
    .site-navigation-dropdown {
        transition: none;
    }
    
    .site-navigation ul.menu li a:hover {
        transform: none;
    }
}