/* 容器样式 */
.region-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    background-color: rgba(116, 110, 106, 0.189);
    border-radius: 1rem;
}

/* 标题与副标题 */
.region-container header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
}

.region-container h1 {
    font-size: 3.2rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.region-container .subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.6;
}

/* 网格布局 */
.region-grid.grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 25px;
}

.region-grid .grid-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    aspect-ratio: 1/1;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
    background: #000;
}

.region-grid .grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.4s ease;
}

.region-grid .grid-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(153, 146, 146, 0.9), transparent);
    padding: 30px 20px 20px;
    transform: translateY(50px);
    opacity: 0;
    transition: all 0.4s ease;
}

.region-grid .grid-item .overlay h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: white;
}

.region-grid .grid-item .overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.5;
    color: white;
}

.region-grid .grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.region-grid .grid-item:hover img {
    transform: scale(1.08);
    opacity: 0.8;
}

.region-grid .grid-item:hover .overlay {
    transform: translateY(0);
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .region-grid.grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .region-grid.grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 700px) {
    .region-grid.grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .region-container h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .region-grid.grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .region-grid .grid-item {
        aspect-ratio: 4/3;
    }
    .region-container h1 {
        font-size: 2rem;
    }
    .region-container .subtitle {
        font-size: 1rem;
    }
}