/* Particle Science Section */
.particle-science-section {
    padding: 100px 0;
    background: #f7f8fb;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 60px;
    font-weight: 700;
    margin-bottom: 60px;
    text-transform: uppercase;
    color: #333;
    letter-spacing: 1px;
}

.science-item {
    display: flex;
    background: white;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    padding: 50px 60px;
    margin-bottom: 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.science-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.science-image {
    width: 353px;
    height: 240px;
    overflow: hidden;
    margin-right: 120px;
}

.science-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.science-item:hover .science-image img {
    transform: scale(1.05);
}

.science-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.science-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 40px;
    line-height: 1;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.science-description {
    font-size: 16px;
    line-height: 1.6;
    color: #818181;
    margin-bottom: 40px;
    flex-grow: 1;
}

.science-button {
    align-self: flex-start;
    background: var(--primary-color);
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.science-button:hover {
    background: #ff7a30;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(223, 121, 61, 0.3);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .banner-title {
        font-size: 48px;
    }
    
    .science-item {
        flex-direction: column;
    }
    
    .science-image {
        width: 100%;
        min-height: 250px;
        max-height: 300px;
    }
    
    .science-content {
        width: 100%;
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .particle-banner {
        height: 70vh;
        min-height: 500px;
    }
    
    .banner-title {
        font-size: 40px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
        margin-bottom: 60px;
    }
    
    .particle-science-section {
        padding: 80px 0;
    }
    
    .science-content {
        padding: 25px;
    }
    
    .science-title {
        font-size: 24px;
    }
    
    .footer-info {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 576px) {
    .banner-title {
        font-size: 32px;
    }
    
    .banner-button {
        padding: 12px 24px;
        font-size: 16px;
    }
    
    .section-title {
        font-size: 29px;
        margin-bottom: 50px;
    }
    
    .science-image {
        min-height: 200px;
    }
    
    .science-content {
        padding: 20px;
    }
    
    .science-title {
        font-size: 21px;
    }
    
    .science-description {
        font-size: 16px;
    }
}