.gallery-section {

    background-color:  #eef2f6; /* 浅灰蓝背景 */

    padding: 40px 4% 40px 4%;

    color: #fff;

    font-family: 'Poppins', sans-serif;

}



.container {

    max-width: 1600px;

    margin: 0 auto;

}



/* 头部样式 */

.gallery-header {

    display: flex;

    justify-content: space-between;

    align-items: flex-end;

    margin-bottom: 40px;

}



.highlight-tag {

    font-size: 12px;

    font-weight: 700;

    color: #003366;

    background:  #e8f0fe; 

    padding: 6px 18px;

    border-radius: 40px; 

    display: inline-block;

    margin-bottom: 12px;

    letter-spacing: 0.5px;

    backdrop-filter: blur(2px);

}



.gallery-title {

    font-size: 48px;

    font-weight: 900;

    color: #003366;

    margin: 0;

}



.btn-full-gallery {

    background: #fdfaf5; /* 象牙白按钮 */

    color: #1a1a1a;

    padding: 12px 28px;

    border-radius: 30px;

    text-decoration: none;

    font-weight: bold;

    font-size: 14px;

    transition: 0.3s;

}



.btn-full-gallery:hover {

    background: #003366;

    color: #fff;

    text-decoration: none;

}



/* 核心：不规则网格布局 */

.gallery-grid {

    display: grid;

    grid-template-columns: repeat(3, 1fr); /* 分为3列 */

    grid-auto-rows: 240px; /* 基础行高 */

    gap: 20px;

    /* 定义网格区域名实现复刻 */

    grid-template-areas: 

        "a b b"

        "a c d"

        "e f g"

        "h h g";

}



.grid-item {

    border-radius: 12px;

    overflow: hidden;

}



.grid-item img {

    width: 100%;

    height: 100%;

    object-fit: cover; /* 保证图片不变形铺满 */

    display: block;

    transition: transform 0.5s ease;

}



.grid-item:hover img {

    transform: scale(1.05); /* 悬停缩放效果 */

}



/* 分配每个房子的位置 */

.item-1 { grid-area: a; } /* 左侧长图 */

.item-2 { grid-area: b; } /* 右上横图 */

.item-3 { grid-area: c; } 

.item-4 { grid-area: d; }

.item-5 { grid-area: e; }

.item-6 { grid-area: f; }

.item-7 { grid-area: g; } /* 右下长图 */

.item-8 { grid-area: h; } /* 底部横图 */



@media (max-width: 992px) {
    .gallery-grid {
        grid-auto-rows: 200px; /* 减小中等屏幕行高 */
    }
}

@media (max-width: 768px) {
    .gallery-header {
        flex-direction: row; /* 保持一行 */
        align-items: center; /* 改为中心对齐 */
        margin-bottom: 25px;
    }

    .gallery-title {
        font-size: 28px;
    }

    .btn-full-gallery {
        padding: 8px 16px; /* 手机端减小按钮 */
        font-size: 15px;
    }

    .gallery-grid {
        grid-template-areas: none;
        grid-template-columns: repeat(1, 1fr); /* 手机端改为2列，比1列更省空间 */
        grid-auto-rows: 300px;
        gap: 10px;
    }
    
    .grid-item { grid-area: auto !important; }
}

@media (max-width: 480px) {
    .gallery-header {
        flex-direction: column; /* 极窄屏幕垂直排列 */
        align-items: flex-start;
    }
    
    .btn-full-gallery {
        width: 100%; /* 按钮占满宽度 */
        text-align: center;
        box-sizing: border-box;
    }
}