.jq22-container {
    margin-top: 50px;
}

#div1 {
    margin: auto;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.box {
    float: left;
    padding: 10px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.box:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transform: translateY(-5px);
}

.box a {
    display: block;
    width: 100%;
    height: 100%;
}

.box img {
    width: 240px;
    height: auto;
    display: block;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.box:hover img {
    transform: scale(1.05);
}

@media screen and (max-width: 992px) {
    .box img {
        width: 200px;
    }
}

@media screen and (max-width: 768px) {
    .box {
        padding: 8px;
    }
    
    .box img {
        width: 160px;
    }
}

@media screen and (max-width: 576px) {
    .box {
        padding: 5px;
    }
    
    .box img {
        width: 140px;
    }
}

.masonry-grid {
    width: 100%;
    margin: 0 auto;
}

.grid-item {
    width: calc(25% - 10px);
    margin-bottom: 10px;
    padding: 5px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.grid-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transform: translateY(-5px);
}

.grid-item a {
    display: block;
    width: 100%;
    height: 100%;
}

.grid-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* 响应式布局 */
@media screen and (max-width: 1200px) {
    .grid-item {
        width: calc(33.333% - 10px);
    }
}

@media screen and (max-width: 768px) {
    .grid-item {
        width: calc(50% - 10px);
    }
}

@media screen and (max-width: 576px) {
    .grid-item {
        width: calc(50% - 10px);
        padding: 3px;
    }
}