/* --- 样式隔离容器 --- */
.nav-wrapper {
    --n-shadow-l: #ffffff;
    --n-shadow-d: #d1d9e6;
    --n-p: #007bff;
    --n-t: #313d5a;
    --n-tg: #a0aec0;

    display: flex;
    background: transparent !important;
    width: 100%;
    margin: 0;
    align-items: flex-start;
    box-sizing: border-box;
}

/* --- 侧边栏 --- */
.nav-wrapper .nav-sidebar {
    width: 180px;
    position: sticky;
    top: 20px;
    padding: 10px;
    flex-shrink: 0;
    z-index: 100;
    margin:10px;
}

.nav-wrapper .side-link {
    display: flex;
    align-items: center;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 12px;
    text-decoration: none !important;
    color: var(--n-t);
    transition: all 0.2s ease;
    box-shadow: 3px 3px 6px var(--n-shadow-d), -3px -3px 6px var(--n-shadow-l);
}

/* 分类图标容器 - 修复 Emoji 不显示的关键 */
.nav-wrapper .side-link .cat-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.nav-wrapper .side-link .cat-icon span {
    display: block; /* 强制块化渲染 */
    font-style: normal;
    font-size: 18px;
    line-height: 24px; /* 与容器高度一致 */
    text-align: center;
}

.nav-wrapper .side-link .cat-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.nav-wrapper .side-link span:not(.cat-icon span) {
    margin-left: 10px;
    font-size: 14px;
    font-weight: bold;
    white-space: nowrap;
}

/* 激活状态 */
.nav-wrapper .side-link.active {
    box-shadow: inset 3px 3px 6px var(--n-shadow-d), 
                inset -3px -3px 6px var(--n-shadow-l) !important;
    color: var(--n-p) !important;
}

/* --- 主内容区 --- */
.nav-wrapper .nav-main-content {
    flex: 1;
    padding: 10px 20px 10px 30px;
    min-width: 0; 
    box-sizing: border-box;
}

.nav-wrapper .section-wrapper { margin-bottom: 20px; }

.nav-wrapper .nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    width: 100%;
}

.nav-wrapper .nav-item {
    border-radius: 15px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none !important;
    box-shadow: 4px 4px 8px var(--n-shadow-d), -4px -4px 8px var(--n-shadow-l);
    box-sizing: border-box;
    min-width: 0;
}

.nav-wrapper .site-info { min-width: 0; flex: 1; }
.nav-wrapper .site-name { font-size: 14px; font-weight: bold; color: var(--n-t); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-wrapper .site-desc { font-size: 11px; color: var(--n-tg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* --- 移动端深度修复 --- */
@media (max-width: 768px) {
    .nav-wrapper .nav-sidebar {
        width: 70px !important;
        padding: 10px 5px;
    }
    .nav-wrapper .side-link {
        justify-content: center;
        padding: 12px 0;
    }
    /* 隐藏分类文字 */
    .nav-wrapper .side-link > span:not(.cat-icon span), 
    .nav-wrapper .nav-sidebar .cat-label {
        display: none !important;
    }

    .nav-wrapper .nav-main-content {
        padding: 10px 10px 10px 5px;
        width: calc(100% - 70px); /* 严格限制宽度，解决溢出 */
    }

    .nav-wrapper .nav-grid {
        grid-template-columns: 1fr !important; /* 强制单列，防止卡片超出右侧 */
    }
}