/* 多语言切换器样式 - 移动端自适应优化 */
.language-switcher {
    display: inline-flex;
    align-items: center;
    margin-left: 10px;
    position: relative;
}

.language-switcher .lang-dropdown {
    position: relative;
}

.language-switcher .lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--text-color, #333);
    background: var(--bg-color, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.language-switcher .lang-btn:hover {
    background: var(--hover-bg, #f5f5f5);
    border-color: var(--primary-color, #1077f3);
}

.language-switcher .lang-btn:focus {
    outline: none;
    border-color: var(--primary-color, #1077f3);
    box-shadow: 0 0 0 2px rgba(16, 119, 243, 0.1);
}

.language-switcher .lang-icon {
    font-size: 18px;
    line-height: 1;
}

.language-switcher .lang-name {
    font-weight: 500;
}

.language-switcher .lang-arrow {
    font-size: 12px;
    transition: transform 0.3s;
}

.language-switcher .lang-dropdown.open .lang-arrow {
    transform: rotate(180deg);
}

.language-switcher .lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    max-width: 250px;
    background: var(--bg-color, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
}

.language-switcher .lang-dropdown.open .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-switcher .lang-item,
.language-switcher .lang-item-header {
    margin: 0;
}

.language-switcher .lang-item a,
.language-switcher .lang-item-header a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    text-decoration: none;
    color: #333 !important;
    transition: all 0.2s;
}

.language-switcher .lang-item a:hover,
.language-switcher .lang-item-header a:hover {
    background: var(--hover-bg, #f5f5f5);
    color: var(--primary-color, #1077f3);
}

.language-switcher .lang-item.active a,
.language-switcher .lang-item-header.active a {
    background: rgba(16, 119, 243, 0.08);
    color: var(--primary-color, #1077f3);
    font-weight: 600;
}

/* 暗色模式 */
.dark .language-switcher .lang-btn {
    color: var(--text-color, #e5e5e5);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .language-switcher .lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color, #1077f3);
}

.dark .language-switcher .lang-menu {
    background: rgba(30, 30, 30, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.dark .language-switcher .lang-item a,
.dark .language-switcher .lang-item-header a {
    color: #e5e5e5 !important;
}

.dark .language-switcher .lang-item a:hover,
.dark .language-switcher .lang-item-header a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark .language-switcher .lang-item.active a,
.dark .language-switcher .lang-item-header.active a {
    background: rgba(16, 119, 243, 0.15);
}

/* ========== 移动端自适应优化 ========== */
@media (max-width: 768px) {
    /* 移动端隐藏头部切换器 */
    .language-switcher {
        display: none !important;
    }
}

/* 超小屏额外保护 */
@media (max-width: 375px) {
    .language-switcher .lang-menu {
        min-width: 120px;
    }
}

/* ========== 页脚语言切换器专用样式 ========== */
.site-tools .item .language-switcher {
    margin-left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.site-tools .item .language-switcher .lang-dropdown {
    width: 100%;
    height: 100%;
}

.site-tools .item .language-switcher .lang-btn {
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-tools .item .language-switcher .lang-btn:hover {
    background: transparent;
}

.site-tools .item .language-switcher .lang-arrow {
    display: none;
}

.site-tools .item .language-switcher .lang-name {
    display: none;
}

.site-tools .item .language-switcher .lang-icon {
    font-size: 20px;
    line-height: 1;
    display: block;
}

/* 在页脚中的语言切换器下拉菜单向上弹出 */
.site-tools .item .language-switcher .lang-menu {
    top: auto;
    bottom: calc(100% + 8px);
    transform: translateY(10px);
    right: auto;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
}

.site-tools .item .language-switcher .lang-dropdown.open .lang-menu {
    transform: translateX(-50%) translateY(0);
}

/* 在桌面端显示语言名 */
@media (min-width: 769px) {
    .site-tools .item .language-switcher .lang-name {
        display: inline;
    }
}