/**
 * 合作伙伴 Logo 模块样式
 */

.partners-logo-module {
    padding: 80px 0;
    background-color: #f5f5f5;
}

.partners-logo-title {
    font-size: 36px;
    font-weight: 600;
    color: #333;
    text-align: center;
    margin: 0 0 50px 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.partners-logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.partner-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo-link {
    display: block;
    width: 100%;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.partner-logo-link:hover {
    transform: translateY(-5px);
}

.partner-logo-box {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.partner-logo-link:hover .partner-logo-box {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.partner-logo-box img {
    max-width: 100%;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logo-link:hover .partner-logo-box img {
    filter: grayscale(0%);
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .partners-logo-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
}

@media (max-width: 1024px) {
    .partners-logo-module {
        padding: 60px 0;
    }
    
    .partners-logo-title {
        font-size: 32px;
        margin-bottom: 40px;
    }
    
    .partners-logo-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 15px;
    }
    
    .partner-logo-box {
        padding: 25px 15px;
        min-height: 100px;
    }
    
    .partner-logo-box img {
        max-height: 70px;
    }
}

@media (max-width: 768px) {
    .partners-logo-module {
        padding: 40px 0;
    }
    
    .partners-logo-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .partners-logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .partner-logo-box {
        padding: 20px 15px;
        min-height: 100px;
    }
    
    .partner-logo-box img {
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .partners-logo-module {
        padding: 30px 0;
    }
    
    .partners-logo-title {
        font-size: 24px;
        margin-bottom: 25px;
    }
    
    .partners-logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .partner-logo-box {
        padding: 15px 10px;
        min-height: 80px;
    }
    
    .partner-logo-box img {
        max-height: 50px;
    }
}