266 lines
6.0 KiB
CSS
266 lines
6.0 KiB
CSS
/* =========================================
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页眉布局 (Header & Navigation)
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========================================= */
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.site-header {
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height: 80px;
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background-color: var(--bg-body);
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border-bottom: 1px solid var(--border-muted);
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position: sticky; /* 粘性定位，确保始终置顶 */
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top: 0;
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z-index: 1000;
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backdrop-filter: blur(12px); /* 毛玻璃效果 */
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-webkit-backdrop-filter: blur(12px);
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/* 使用半透明背景以增强毛玻璃效果 */
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background-color: rgba(255, 255, 255, 0.85);
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transition: background-color var(--duration-normal), border-color var(--duration-normal), transform 0.45s var(--ease-in-out);
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will-change: transform;
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flex-shrink: 0; /* 防止被父容器 Flex 布局压缩 */
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}
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.site-header .container {
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height: 100%; /* 关键修复：让容器撑满 Header 高度，使内部 flex 垂直居中生效 */
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}
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[data-theme="dark"] .site-header {
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background-color: rgba(13, 17, 23, 0.85);
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}
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.header-content {
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display: flex;
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justify-content: space-between;
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align-items: center;
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height: 100%;
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}
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/* --- Logo 区域 --- */
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.logo-container,
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.logo-link {
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display: flex;
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align-items: center;
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height: 100%;
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}
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.logo-main {
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height: 60px; /* 增大 Logo 尺寸 (原52px) */
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width: auto;
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color: var(--text-primary);
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}
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/* --- 主导航 (Navigation) --- */
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.main-navigation {
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display: flex;
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align-items: center;
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gap: 24px;
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}
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.nav-menu {
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display: flex;
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list-style: none;
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gap: 8px; /* 菜单项间距 */
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margin: 0;
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padding: 0;
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}
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.nav-menu a {
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color: var(--text-secondary);
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font-weight: 500;
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font-size: 16px; /* 增大导航字号 (原15px) */
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padding: 8px 16px;
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border-radius: var(--radius-sm);
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transition: all var(--duration-fast);
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display: flex;
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align-items: center;
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}
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.nav-menu a:hover,
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.nav-menu a:focus {
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color: var(--text-primary);
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background-color: var(--bg-surface);
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}
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/* --- 社交链接与工具 (Social & Tools) --- */
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.social-links {
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display: flex;
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align-items: center;
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gap: 12px;
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padding-left: 12px;
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margin-left: 12px;
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border-left: 1px solid var(--border-muted);
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}
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.social-links a,
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.theme-toggle,
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.lang-toggle {
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width: 40px; /* 增大图标按钮尺寸 (原36px) */
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height: 40px;
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display: flex;
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align-items: center;
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justify-content: center;
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color: var(--text-secondary);
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background: transparent;
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border: 1px solid transparent; /* 预留边框位置防止抖动 */
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border-radius: var(--radius-sm);
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cursor: pointer;
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transition: all var(--duration-fast);
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}
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.social-links a:hover,
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.theme-toggle:hover,
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.lang-toggle:hover {
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background-color: var(--bg-surface);
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color: var(--color-primary);
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border-color: var(--border-default);
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}
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/* --- 主题切换动画 (Theme Toggle) --- */
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.theme-toggle {
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position: relative; /* 为内部 SVG 绝对定位做准备 */
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overflow: hidden;
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}
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.theme-toggle svg {
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position: absolute;
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transition: transform 0.5s var(--ease-in-out), opacity 0.5s;
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}
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/* 默认 / 浅色模式状态: 显示月亮 (提示切换到深色) */
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/* 修正逻辑：通常浅色模式下，按钮为了表示“点击切换到深色”，会显示月亮；
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但也有一种逻辑是显示“当前是太阳”。
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根据之前的代码意图，我们从 CSS 变量来看：
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浅色模式下，.moon-icon 显示，.sun-icon 隐藏 */
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/* 浅色模式下：太阳隐藏 */
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html:not([data-theme="dark"]) .sun-icon {
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opacity: 0;
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transform: rotate(90deg) scale(0);
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}
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/* 浅色模式下：月亮显示 */
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html:not([data-theme="dark"]) .moon-icon {
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opacity: 1;
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transform: rotate(0) scale(1);
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}
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/* 深色模式下：太阳显示 */
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[data-theme="dark"] .sun-icon {
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opacity: 1;
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transform: rotate(0) scale(1);
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}
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/* 深色模式下：月亮隐藏 */
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[data-theme="dark"] .moon-icon {
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opacity: 0;
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transform: rotate(-90deg) scale(0);
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}
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/* 语言切换按钮文字 */
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.lang-toggle {
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font-weight: 600;
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font-size: 15px; /* 增大切换字号 (原14px) */
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width: auto;
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padding: 0 12px;
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}
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/* --- 移动端菜单开关 (Hamburger) --- */
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.mobile-menu-toggle {
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display: none; /* 默认隐藏 */
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flex-direction: column;
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justify-content: space-between;
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width: 24px;
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height: 18px;
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background: transparent;
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border: none;
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cursor: pointer;
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z-index: 1100;
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padding: 0;
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}
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.mobile-menu-toggle span {
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display: block;
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width: 100%;
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height: 2px;
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background-color: var(--text-secondary);
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border-radius: 2px;
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transition: all 0.3s var(--ease-in-out);
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transform-origin: left center;
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}
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/* 激活状态 (X 形状) */
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.mobile-menu-toggle.active span:nth-child(1) {
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transform: rotate(45deg) translate(0px, -2px);
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width: 115%;
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}
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.mobile-menu-toggle.active span:nth-child(2) {
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opacity: 0;
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transform: translateX(-10px);
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}
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.mobile-menu-toggle.active span:nth-child(3) {
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transform: rotate(-45deg) translate(0px, 2px);
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width: 115%;
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}
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/* 默认情况：显示主 Logo，隐藏移动端 Logo */
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.logo-mobile {
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display: none;
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height: 48px; /* 调整高度 */
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width: auto;
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}
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/* --- 响应式适配 --- */
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@media (max-width: 900px) {
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/* 移动端隐藏主Logo，显示移动端Logo */
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.logo-main {
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display: none;
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}
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.logo-mobile {
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display: block;
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}
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.mobile-menu-toggle {
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display: flex;
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order: 2; /* 放在最右侧 */
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}
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.nav-menu {
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position: absolute;
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top: 100%;
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left: 0;
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right: 0;
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background-color: var(--bg-body);
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border-bottom: 1px solid var(--border-default);
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flex-direction: column;
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padding: 1rem;
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gap: 0;
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/* 默认收起状态 */
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opacity: 0;
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transform: translateY(-10px);
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pointer-events: none;
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transition: all var(--duration-normal) var(--ease-in-out);
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box-shadow: var(--shadow-md);
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z-index: 1000;
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}
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.nav-menu.active {
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opacity: 1;
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transform: translateY(0);
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pointer-events: auto;
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}
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.nav-menu a {
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width: 100%;
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padding: 12px 16px;
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justify-content: flex-start;
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}
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/* 移动端隐藏社交分割线 */
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.social-links {
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border-left: none;
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margin-left: auto; /* 推到右侧 */
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order: 1; /* 放在 toggle 左侧 */
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margin-right: 12px; /* 和 toggle 之间增加一点间距 */
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}
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}
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