.friend-links-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    contain: content;
}

.friend-links-header {
    margin-bottom: 20px;
    contain: content;
}

.friend-links-header h3 {
    font-size: 24px;
    color: #1e3a8a;
    margin: 0;
    font-weight: 600;
    position: relative;
    padding-left: 15px;
    line-height: 1.4;
}

.friend-links-header h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 24px;
    background: linear-gradient(180deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 2px;
}

.friend-links-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    contain: layout style paint;
}

.friend-link-item {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 4px;
    background: #fff;
    transition: transform 0.3s ease;
    will-change: transform;
    contain: layout style paint;
    min-height: 100px;
}

.friend-link-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.friend-link-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 固定大小的友情链接图片 */
.friend-link-image {
    width: 100% !important;
    height: auto !important;
    max-height: 80.69px;
    object-fit: contain;
}

.friend-link-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f8fafc;
    opacity: 0;
    transition: opacity 0.3s;
}

.friend-link-item.loading::before {
    opacity: 1;
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .friend-links-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .friend-links-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .friend-links-list {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .friend-link-item {
        aspect-ratio: 21/9;
    }
}