/* 统一城市导航组件（City Nav）
   由 city_nav.py 在构建期注入到所有城市专属页：
     /social-insurance-calculator/{city}/  /provident-fund-calculator/{city}/
     /tax-calculator/{city}/               /city/{city}/
   只负责「同城工具条」与「{城市}相关计算器」卡片，不碰站点骨架（骨架在 share.css）。
   改本文件后必须同步 city_nav.py 的 CN_CSS_VER。 */

/* ---------- 顶部同城工具条 ---------- */
.city-switch {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    margin: 0 0 20px;
    padding: 10px 14px;
    border: 1px solid #e3e8ef;
    border-radius: 10px;
    background: #f8fafc;
    font-size: 0.92rem;
    line-height: 1.5;
}

.city-switch-label {
    color: #3c4043;
    font-weight: 600;
    white-space: nowrap;
}

.city-switch-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.city-switch-link {
    padding: 3px 11px;
    border: 1px solid #dadce0;
    border-radius: 999px;
    background: #fff;
    color: #1a73e8;
    font-size: 0.9rem;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color .15s, background .15s;
}

.city-switch-link:hover {
    border-color: #1a73e8;
    background: #f1f6fe;
    text-decoration: none;
}

.city-switch-link.is-current {
    background: #1a73e8;
    border-color: #1a73e8;
    color: #fff;
    font-weight: 600;
}

.city-switch-hub {
    margin-left: auto;
    color: #1a73e8;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.city-switch-hub:hover { text-decoration: underline; }

/* ---------- 底部「{城市}相关计算器」卡片 ---------- */
.city-nav-card {
    margin: 26px 0 0;
    padding: 20px 22px;
    border: 1px solid #e3e8ef;
    border-radius: 12px;
    background: #fff;
}

.city-nav-title {
    margin: 0 0 6px;
    font-size: 1.08rem;
    font-weight: 600;
    color: #202124;
    line-height: 1.4;
}

.city-nav-hint {
    margin: 0 0 16px;
    color: #5f6368;
    font-size: 0.88rem;
    line-height: 1.6;
}

.city-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 14px;
}

.city-nav-group {
    padding: 12px 14px;
    border: 1px solid #eef1f5;
    border-radius: 10px;
    background: #fafbfc;
}

.city-nav-head {
    margin: 0 0 10px;
    color: #3c4043;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.5;
}

.city-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.city-nav-link {
    padding: 5px 11px;
    border: 1px solid #dadce0;
    border-radius: 8px;
    background: #fff;
    color: #1a73e8;
    font-size: 0.88rem;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color .15s, background .15s;
}

.city-nav-link:hover {
    border-color: #1a73e8;
    background: #f1f6fe;
    text-decoration: none;
}

.city-nav-link.is-current {
    background: #e8f0fe;
    border-color: #c6dafc;
    color: #1967d2;
    font-weight: 600;
}

.city-nav-more {
    margin: 16px 0 0;
    color: #5f6368;
    font-size: 0.85rem;
    line-height: 1.6;
}

.city-nav-more a { color: #1a73e8; text-decoration: none; }
.city-nav-more a:hover { text-decoration: underline; }
.city-nav-more .sep { margin: 0 6px; color: #dadce0; }

/* ---------- 移动端 ---------- */
@media (max-width: 768px) {
    .city-switch {
        padding: 10px 12px;
        gap: 6px 8px;
    }

    .city-switch-hub {
        width: 100%;
        margin-left: 0;
    }

    .city-nav-card { padding: 16px 14px; }
    .city-nav-grid { gap: 12px; }
    .city-nav-link { font-size: 0.85rem; padding: 5px 10px; }
}