.nav-page {
    padding: 20px 0;
}

.nav-page__header {
    margin-bottom: 24px;
    text-align: center;
}

.nav-page__title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.nav-page__desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* 搜索框 */
.nav-page__search {
    margin-bottom: 20px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.nav-page__search-input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    font-size: 14px;
    background: var(--bg-card);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.nav-page__search-input:focus {
    border-color: var(--theme-color, #1890ff);
}

.nav-page__search-input::placeholder {
    color: var(--text-muted);
}

/* 分类标签 */
.nav-page__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    justify-content: center;
}

.nav-page__tab {
    padding: 6px 16px;
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
}

.nav-page__tab:hover {
    border-color: var(--theme-color, #1890ff);
    color: var(--theme-color, #1890ff);
}

.nav-page__tab--active {
    background: var(--theme-color, #1890ff);
    border-color: var(--theme-color, #1890ff);
    color: #fff;
}

/* 网格布局 */
.nav-page__grid {
    display: grid;
    gap: 12px;
}

.nav-page__grid--cols-2 { grid-template-columns: repeat(2, 1fr); }
.nav-page__grid--cols-3 { grid-template-columns: repeat(3, 1fr); }
.nav-page__grid--cols-4 { grid-template-columns: repeat(4, 1fr); }
.nav-page__grid--cols-5 { grid-template-columns: repeat(5, 1fr); }
.nav-page__grid--cols-6 { grid-template-columns: repeat(6, 1fr); }

/* 卡片 */
.nav-page__card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.nav-page__card:hover {
    border-color: var(--theme-color, #1890ff);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.nav-page__card--hidden {
    display: none !important;
}

.nav-page__card-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.nav-page__card-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--theme-color, #1890ff);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    flex-shrink: 0;
}

.nav-page__card-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.nav-page__card-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-page__card-desc {
    font-size: 12px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 2px;
}

.nav-page__empty {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
    font-size: 14px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .nav-page__grid--cols-3,
    .nav-page__grid--cols-4,
    .nav-page__grid--cols-5,
    .nav-page__grid--cols-6 {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-page__title {
        font-size: 20px;
    }

    .nav-page__card {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .nav-page__grid--cols-2,
    .nav-page__grid--cols-3,
    .nav-page__grid--cols-4,
    .nav-page__grid--cols-5,
    .nav-page__grid--cols-6 {
        grid-template-columns: 1fr;
    }
}