/* 新增动画定义 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 布局调整 */
.partnerships-container {
    padding: 10vh 0;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.section-header {
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.divider {
    width: 80px;
    height: 4px;
    background: #007bff;
    margin: 0 auto;
}

.image-banner {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.image-banner img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.3)
    );
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.partnership-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.partnership-card:hover {
    transform: translateY(-10px);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: #e8f4fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.card-icon i {
    font-size: 2rem;
    color: #007bff;
}

.partnership-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.partnership-card p {
    color: #666;
    font-size: 18px;
    line-height: 1.8;
    text-align: left;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .partnerships-container {
        padding: 5vh 5vw;
    }

    .image-banner img {
        height: 250px;
    }
}