refactor: 导航下拉菜单重构为方案 C 混合型
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- public/header.html: 去掉左右分栏，改为二级分组标题 + 三级国旗链接网格 - css/nav-mega-menu.css: 居中收窄面板(720px)，分组标题+网格布局 - js/nav-third-level.js: 清空旧的面板切换脚本（不再需要） - 下拉面板不再全宽铺开，视觉更精致紧凑
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@@ -1,146 +1,105 @@
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/* ============================================================
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顶部导航下拉菜单样式 - akile.io 深色毛玻璃风格
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导航下拉菜单 — 方案 C 混合型
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二级分组标题 + 三级国旗链接网格，居中收窄面板
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============================================================ */
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/* 下拉容器 */
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/* ── 下拉外层容器 ── */
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.nav-cont {
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position: absolute;
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top: 100%;
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left: 0;
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width: 100%;
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background: rgba(14, 16, 26, 0.98);
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backdrop-filter: blur(20px);
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-webkit-backdrop-filter: blur(20px);
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border-top: 1px solid rgba(255, 255, 255, 0.06);
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box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
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z-index: 1000;
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overflow: hidden;
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transition: height 0.25s ease-out;
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height: 0;
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/* 不设背景，由 inner 负责 */
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}
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/* Mega Menu 容器 */
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.nav-cont-menu.mega-menu {
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display: none;
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height: 100%;
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}
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/* inner 布局 */
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.nav-content {
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/* ── 下拉内层 —— 居中收窄面板 ── */
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.nav-dropdown-inner {
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display: flex;
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max-width: 1400px;
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margin: 0 auto;
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height: 100%;
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min-height: 320px;
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justify-content: center;
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padding: 0;
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}
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/* ── 左侧二级菜单栏 ── */
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.nav-left-sidebar {
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width: 220px;
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flex-shrink: 0;
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background: rgba(255, 255, 255, 0.03);
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border-right: 1px solid rgba(255, 255, 255, 0.06);
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padding: 16px 8px;
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overflow-y: auto;
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/* ── 每个一级导航对应的菜单面板 ── */
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.nav-cont-menu {
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display: none;
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width: 100%;
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max-width: 720px;
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margin: 0 auto;
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background: rgba(14, 16, 26, 0.98);
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backdrop-filter: blur(24px);
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-webkit-backdrop-filter: blur(24px);
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border: 1px solid rgba(255, 255, 255, 0.08);
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border-top: none;
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border-radius: 0 0 14px 14px;
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box-shadow: 0 20px 48px rgba(0, 0, 0, 0.55),
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0 0 0 1px rgba(255, 255, 255, 0.04) inset;
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padding: 20px 0 12px;
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}
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/* 二级分类项 */
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.nav-category-item {
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.nav-cont-menu.nav-cont-empty {
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display: none !important;
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}
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/* ── 分组容器 (方案 C 核心) ── */
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.nav-groups {
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padding: 0 24px;
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}
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.nav-group {
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margin-bottom: 8px;
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}
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.nav-group:last-child {
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margin-bottom: 0;
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}
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/* ── 二级分组标题行 ── */
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.nav-group-title {
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display: flex;
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align-items: center;
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gap: 10px;
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padding: 11px 14px;
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color: rgba(203, 213, 225, 0.75);
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font-size: 14px;
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font-weight: 500;
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border-radius: 8px;
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cursor: pointer;
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transition: background 0.15s ease, color 0.15s ease;
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gap: 8px;
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padding: 8px 8px 6px;
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font-size: 12px;
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font-weight: 600;
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color: rgba(148, 163, 184, 0.7);
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text-transform: uppercase;
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letter-spacing: 0.06em;
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border-bottom: 1px solid rgba(255, 255, 255, 0.05);
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margin-bottom: 6px;
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user-select: none;
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}
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.nav-category-item:hover,
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.nav-category-item.active {
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background: rgba(59, 130, 246, 0.12);
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color: #93C5FD;
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}
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.nav-category-item .category-icon {
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width: 20px;
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height: 20px;
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flex-shrink: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.nav-category-item .category-icon img {
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width: 100%;
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height: 100%;
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.nav-group-icon {
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width: 18px;
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height: 18px;
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object-fit: contain;
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opacity: 0.7;
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}
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.nav-category-name {
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font-weight: 500;
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.nav-group-desc {
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font-weight: 400;
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font-size: 11px;
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color: rgba(148, 163, 184, 0.45);
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letter-spacing: 0;
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text-transform: none;
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}
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.nav-category-desc {
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font-size: 12px;
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color: rgba(148, 163, 184, 0.6);
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margin-top: 2px;
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display: block;
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}
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/* ── 右侧三级菜单区域 ── */
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.nav-right-content {
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flex: 1;
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padding: 20px 28px;
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overflow-y: auto;
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}
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/* 三级菜单面板 */
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.nav-third-panel {
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display: none;
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}
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.nav-third-panel.active {
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display: block;
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animation: navPanelFadeIn 0.2s ease;
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}
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/* 三级菜单标题 */
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.nav-third-title {
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font-size: 13px;
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font-weight: 600;
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color: rgba(148, 163, 184, 0.6);
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text-transform: uppercase;
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letter-spacing: 0.08em;
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margin-bottom: 12px;
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padding-bottom: 10px;
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border-bottom: 1px solid rgba(255, 255, 255, 0.06);
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}
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/* 三级菜单网格 */
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.nav-third-grid {
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/* ── 三级链接网格 ── */
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.nav-group-grid {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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gap: 4px 8px;
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gap: 2px;
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}
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/* 三级菜单项容器 */
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.nav-cont-menu .nav-third-item {
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margin: 0;
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padding: 0;
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}
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/* 三级菜单链接 - akile 风格：纯行 hover，无卡片 */
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.nav-cont-menu .nav-third-grid .nav-third-link,
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.nav-third-panel .nav-third-link {
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/* ── 三级链接项 ── */
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.nav-grid-link {
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display: flex;
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align-items: center;
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gap: 10px;
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width: 100%;
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padding: 10px 12px;
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border-radius: 8px;
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color: rgba(226, 232, 240, 0.85);
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@@ -148,23 +107,13 @@
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font-weight: 500;
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text-decoration: none;
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transition: background 0.15s ease, color 0.15s ease;
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box-sizing: border-box;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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/* 无边框、无卡片背景 */
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background: transparent;
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border: none;
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}
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.nav-cont-menu .nav-third-grid .nav-third-link::before,
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.nav-third-panel .nav-third-link::before {
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content: none; /* 移除旧的 › 箭头前缀 */
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}
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.nav-cont-menu .nav-third-grid .nav-third-link:hover,
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.nav-third-panel .nav-third-link:hover {
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background: rgba(255, 255, 255, 0.06);
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.nav-grid-link:hover {
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background: rgba(255, 255, 255, 0.07);
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color: #fff;
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}
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@@ -173,48 +122,42 @@
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width: 22px;
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height: 16px;
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flex-shrink: 0;
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vertical-align: middle;
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object-fit: cover;
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border-radius: 3px;
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box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
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}
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/* ── 只有二级菜单时的横向网格（无三级） ── */
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/* ── 纯二级：简单网格 ── */
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.nav-simple-grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
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gap: 4px 8px;
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padding: 20px 28px;
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width: 100%;
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max-width: 1400px;
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margin: 0 auto;
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box-sizing: border-box;
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gap: 2px;
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padding: 4px 24px 8px;
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}
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.nav-simple-grid .nav-simple-item {
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.nav-simple-item {
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display: flex;
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align-items: center;
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gap: 12px;
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padding: 11px 14px;
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padding: 10px 12px;
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border-radius: 8px;
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color: rgba(226, 232, 240, 0.85);
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text-decoration: none;
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font-size: 14px;
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font-weight: 500;
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text-decoration: none;
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transition: background 0.15s ease, color 0.15s ease;
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/* 无卡片边框背景 */
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background: transparent;
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border: none;
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}
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.nav-simple-grid .nav-simple-item:hover {
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background: rgba(255, 255, 255, 0.06);
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.nav-simple-item:hover {
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background: rgba(255, 255, 255, 0.07);
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color: #fff;
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}
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.nav-simple-icon {
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width: 28px;
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height: 28px;
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width: 24px;
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height: 24px;
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flex-shrink: 0;
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}
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@@ -228,76 +171,26 @@
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font-size: 14px;
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font-weight: 500;
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color: inherit;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.nav-simple-desc {
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font-size: 12px;
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color: rgba(148, 163, 184, 0.65);
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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color: rgba(148, 163, 184, 0.6);
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margin-top: 2px;
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}
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/* ── 菜单底部「更多」区域 ── */
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.nav-menu-footer {
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border-top: 1px solid rgba(255, 255, 255, 0.06);
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padding: 12px 28px;
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}
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.nav-menu-footer a {
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font-size: 13px;
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color: rgba(148, 163, 184, 0.7);
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text-decoration: none;
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transition: color 0.15s ease;
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}
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.nav-menu-footer a:hover {
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color: #93C5FD;
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}
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/* ── 空菜单占位 ── */
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/* ── 空菜单 ── */
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.nav-cont-menu.nav-cont-empty {
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display: none;
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}
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/* ── 动画 ── */
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@keyframes navPanelFadeIn {
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from {
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opacity: 0;
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transform: translateX(8px);
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}
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to {
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opacity: 1;
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transform: translateX(0);
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}
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}
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/* ── 响应式 ── */
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@media (max-width: 768px) {
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.nav-cont {
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display: none !important;
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}
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.nav-content {
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flex-direction: column;
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min-height: auto;
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}
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.nav-left-sidebar {
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width: 100%;
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border-right: none;
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border-bottom: 1px solid rgba(255, 255, 255, 0.06);
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}
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.nav-right-content {
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padding: 16px;
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}
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.nav-third-grid {
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.nav-group-grid {
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grid-template-columns: 1fr;
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}
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}
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