.city-hero {
    /* 如果 zoneCoverImage 有效且不是空，可以使用它，否则用默认回退 */
    background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('{{ zone.zoneCoverImage ?: "/images/home_image_8.jpg" }}');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 80px 20px;
    text-align: center;
    border-radius: 8px;
    margin-bottom: 30px;
}
.highlight-box {
    background: #fff8e1;
    border-left: 5px solid #ffc107;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 30px;
}
.feature-list i {
    color: #00988c;
    width: 30px;
    font-size: 1.2rem;
}
.feature-list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
}
.btn-join-city {
    background-color: #f86271;
    color: white;
    padding: 15px 40px;
    font-size: 1.3rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.2s, background-color 0.2s;
    display: inline-block;
}
.btn-join-city:hover {
    background-color: #e04a58;
    color: white;
    transform: scale(1.05);
}