/* ========== 桌面端语言菜单强制显示 ========== */
@media (min-width: 769px) {
    .language-selector .lang-dropdown-menu {
        display: block !important;
    }
}

/* ========== 移动端全屏语言菜单样式 ========== */
.fullscreen-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.3s, opacity 0.3s;
}
.fullscreen-menu-overlay.active {
    visibility: visible;
    opacity: 1;
}
.fullscreen-menu-container {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: white;
    z-index: 2001;
    transition: left 0.3s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.fullscreen-menu-container.active {
    left: 0;
}
.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #e5e5e5;
    font-size: 20px;
    font-weight: 600;
    background: white;
}
.fullscreen-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #5f6368;
}
.fullscreen-lang-list {
    flex: 1;
    padding: 16px 0;
}
.fullscreen-lang-item {
    display: block;
    padding: 14px 24px;
    text-decoration: none;
    color: #202124;
    font-size: 16px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s;
}
.fullscreen-lang-item:active {
    background: #f5f5f5;
}
.fullscreen-lang-item.active {
    background: #0078d4;
    color: white;
}
.fullscreen-lang-item img {
    margin-right: 12px;
    vertical-align: middle;
}

/* 移动端隐藏原来的下拉菜单 */
@media (max-width: 768px) {
    .language-selector .lang-dropdown-menu {
        display: none !important;
        visibility: hidden;
    }
}