/* CSS变量定义 */
.header-nav-drawer__content {
    /* 基础菜单变量 */
    --menu-bg-color: #F8F8F8;
    --menu-active-bg: #7a0000;
    --menu-text-color: rbg(var(--color-text));
    --menu-secondary-text: #777777;
    --menu-border-color: rbg(var(--color-text));
    --menu-active-indicator: #000000;
    --transition-duration: 500ms;
    
    /* 菜单字体大小 */
    --menu-title-font-size: 17px;
    --menu-first-item-font: 15px;
    --menu-second-item-font: 14px;
    --menu-third-item-font: 12px;
    --menu-tab-font: 11px;
    --menu-shop-by-font: 12px;
    --menu-view-all-font: 12px;
    
    /* 新添加的变量 - 用于JS功能支持 */
    --menu-sale-color: #b70000;
    --third-menu-width: 49%;
    
    /* JS中使用的bb-menu前缀变量 */
    --bb-menu-primary-color: #000000;
    --bb-menu-secondary-color: #303030;
    --bb-menu-bg-color: var(--menu-bg-color);
    --bb-menu-text-color: var(--menu-text-color);
    --bb-menu-border-color: var(--menu-border-color);
}

/* 基础结构样式 */
.header-nav-drawer__content {
    display: flex;
    flex-direction: column;
    /* background-color: #fff; */
}

.header-nav-drawer__menu {
    flex: 1;
    overflow: auto;
}

.bb-menu {
    display: flex;
    height: 100%;
}

/* 左侧菜单样式 */
.menu-content-left {
    width: 40%;
    height: 100%;
    /* background-color: var(--menu-bg-color); */
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: var(--menu-active-indicator);
}

.menu-content-left-swiper {
    height: 100%;
}

.menu-content-left-swiper .swiper-slide {
    display: flex !important;
    align-items: center;
    padding: 0 10px;
    cursor: pointer;
}

/* 菜单项样式 */
.menu-tab {
    scroll-behavior: smooth;
    transition: background-color var(--transition-duration);
    position: relative;
}

.menu-tab span {
    line-height: normal;
    vertical-align: middle;
    font-size: var(--menu-tab-font);
}

.menu-tab img {
    width: 100%;
    object-fit: contain !important;
}

.menu-active {
    background-color: var(--menu-active-bg);
    font-weight: bold;
    transition: background-color var(--transition-duration);
}

.menu-active::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 30%;
    background-color: var(--menu-active-indicator);
    transform: translateX(-10px);
    transition: all var(--transition-duration);
}

.item-active {
    background-color: var(--menu-active-bg);
}

/* 菜单交互状态类 */
/* 菜单打开/关闭动画类 */
.menu-opening {
    animation: menuOpenAnimation var(--transition-duration) ease-out;
}

.menu-closing {
    animation: menuCloseAnimation var(--transition-duration) ease-in;
}

@keyframes menuOpenAnimation {
    from { opacity: 0; transform: translateX(-100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes menuCloseAnimation {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(-100%); }
}

/* 菜单滚动状态 */
.menu-scrolling {
    pointer-events: none; /* 滚动过程中禁用点击 */
}

/* 特价菜单项样式 */
.menu-sale-text {
    color: var(--menu-sale-color) !important;
    font-weight: bold !important;
}

/* 活动标签过渡效果 */
.menu-active-enter {
    animation: activeEnterAnimation 0.3s ease-out;
}

.menu-active-leave {
    animation: activeLeaveAnimation 0.3s ease-in;
}

@keyframes activeEnterAnimation {
    from { opacity: 0.7; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes activeLeaveAnimation {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0.7; transform: translateX(10px); }
}

/* 标签对齐相关类 */
.tabs-flex-start {
    justify-content: flex-start;
}

/* 第三级菜单样式 */
.third-menu-odd {
    width: var(--third-menu-width);
    margin-right: 2%;
}

.third-menu-even {
    width: var(--third-menu-width);
    margin-left: 2%;
}

/* 右侧内容区域样式 */
.menu-content-right {
    width: 66.6666%;
    overflow-y: scroll;
    overflow-x: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.menu-content-right::-webkit-scrollbar {
    display: none;
}

.menu-content-list {
    list-style: none;
    padding: 0 10px;
    margin: 0;
}

.menu-item {
    box-sizing: border-box;
}

/* 图片样式优化 */
.menu-content-right img,
.bb-menu img {
    width: 100%;
    height: auto;
}

.menu-content-item-third img {
    aspect-ratio: 2/3;
}

.menu-content-item-first + .menu-image-wrapper img {
    aspect-ratio: 11.6/7;
}

.menu-image-wrapper {
    max-width: 100%;
    text-align: center;
}

/* 层级标题样式 */
.menu-content-item-first {
    display: flex;
    font-size: var(--menu-first-item-font);
    padding: 5px 0;
    font-weight: 600;
    margin-top: 10px;
    align-items: center;
}

.menu-content-item-first .menu-title {
    flex: 1;
    font-size: var(--menu-title-font-size);
}

.menu-title-view-all {
    color: var(--menu-secondary-text);
    font-size: var(--menu-view-all-font);
    font-weight: 300;
}

.menu-content-item-second {
    display: inline-block !important;
    font-size: var(--menu-second-item-font);
    font-weight: 400;
    margin: 30px 0 10px;
}

.menu-content-item-second[has-image] {
    width: 45%;
}

.menu-content-item-third {
    display: inline-block !important;
    /* width: 49%; */
    font-size: var(--menu-third-item-font);
    vertical-align: top;
}

.menu-content-item-third .menu-title {
    padding-bottom: 15px;
    text-align: center;
}

.menu-content-item-third-wrapper,
.menu-content-item-second-wrapper {
    width: 100%;
}

/* 粘性头部和二级标签样式 */
.menu-content-item-header[sticky] {
    position: sticky;
    top: 0;
    background-color: rgb(var(--color-background));
    margin-bottom: -20px;
    padding-bottom: 10px;
    z-index: 2;
}

.menu-shop-by {
    font-size: var(--menu-shop-by-font);
    color: var(--menu-text-color);
    font-weight: 300;
    margin-top: -5px;
}

.second-title-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.second-title-tabs::-webkit-scrollbar {
    display: none;
}

.second-title-tabs-wrapper {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
    /* justify-content: space-between; */
    gap: 10px;
}

.second-title-tabs-wrapper:nth-child(2) {
    justify-content: flex-start;
    gap: 10px;
}

.second-title-tabs-item {
    background-color: rgb(var(--color-background));
    color: var(--menu-text-color);
    padding: 2px 5px;
    border: 0.5px solid;
    white-space: nowrap;
    text-align: center;
}

.second-title-tabs-item span {
    vertical-align: text-top;
}

/* 无障碍支持样式 */
/* [aria-hidden="true"] {
    display: none !important;
}

[aria-selected="true"] {
    background-color: var(--menu-active-bg);
    font-weight: bold;
    color: var(--menu-active-indicator);
} */

/* 键盘导航焦点样式 */
.menu-tab:focus,
.second-title-tabs-item:focus {
    outline: 2px solid var(--menu-active-indicator);
    outline-offset: 2px;
}

/* 心愿单按钮样式 - 支持JS中的initWishList功能 */
.indexstyle__MenuBtnBox-sc-1ow0cl9-0 a span {
    display: block;
    font-size: 10px;
    margin-top: 4px;
    text-align: center;
    color: var(--menu-text-color);
}

/* 点击反馈效果 - 支持addClickFeedback方法 */
.click-feedback {
    transform: scale(0.95);
    transition: transform 0.1s;
}

/* 平滑滚动支持 */
.menu-tab,
.menu-content-right {
    scroll-behavior: smooth;
}

/* 减少动画的用户偏好支持 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .menu-content-left {
        width: 40%;
    }
    
    .menu-content-right {
        width: 55%;
    }
    
    .menu-content-item-third {
        /* width: 100%; */
    }
    
    .menu-content-item-second[has-image] {
        width: 100%;
    }
    
    /* 响应式调整第三级菜单样式 */
    .third-menu-odd,
    .third-menu-even {
        /* width: 100%; */
        margin: 0;
    }
    
    /* 响应式调整特价菜单项 */
    .menu-sale-text {
        font-size: 14px !important; /* 在移动设备上稍大一些 */
    }
}

/* 小屏幕设备适配 */
@media (max-width: 480px) {
    .menu-content-left {
        width: 40%;
    }
    
    .menu-content-right {
        width: 66.666%;
    }
    
    /* 简化动画，提高移动设备性能 */
    .menu-opening,
    .menu-closing,
    .menu-active-enter,
    .menu-active-leave {
        animation-duration: 0.2s;
    }
    
    /* 移动端菜单字体调整 */
    :root {
        --menu-title-font-size: 15px;
        --menu-first-item-font: 14px;
        --menu-second-item-font: 13px;
        --menu-third-item-font: 12px;
    }
}

/* 大屏幕设备增强 */
@media (min-width: 1024px) {
    /* 大屏幕上可以增加动画复杂度和交互效果 */
    .menu-active::after {
        height: 50%;
        width: 3px;
    }
    
    /* 大屏幕上优化三级菜单布局 */
    .third-menu-odd,
    .third-menu-even {
        width: calc(var(--third-menu-width) - 1%);
    }
}