/* ===== 区域名称闪烁 ===== */
.region-flash {
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5000;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
    text-align: center;
}
.region-flash.show { opacity: 1; }

/* 有禁限摩数据 - 红色醒目 */
.region-flash.has-zone {
    background: rgba(220, 38, 38, 0.85);
    border: 2px solid rgba(239, 68, 68, 0.6);
}
.region-flash.has-zone .region-name {
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5), 0 2px 8px rgba(0, 0, 0, 0.5);
}
.region-flash.has-zone .zone-count-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
}

/* 无禁限摩数据 - 绿色清爽 */
.region-flash.no-zone {
    background: rgba(22, 163, 74, 0.85);
    border: 2px solid rgba(34, 197, 94, 0.6);
}
.region-flash.no-zone .region-name {
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5), 0 2px 8px rgba(0, 0, 0, 0.5);
}
.region-flash.no-zone .zone-count-badge {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
}

.region-flash .zone-count-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
}