/* 页面头部 */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../images/applications-header-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 150px 0 80px;
    margin-bottom: 0;
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 应用领域 */
.applications-section {
    padding: 80px 0;
    background-color: white;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.application-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.application-item:hover {
    transform: translateY(-10px);
}

.application-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.application-item:hover .application-image img {
    transform: scale(1.1);
}

.application-content {
    padding: 30px;
}

.application-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-gray);
}

.application-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.application-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.application-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: #666;
}

.application-features li:last-child {
    margin-bottom: 0;
}

.application-features li i {
    color: var(--primary-color);
    margin-right: 10px;
}

/* 优势特点 */
.advantages-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
}

.advantage-item .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.advantage-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--dark-gray);
}

.advantage-item p {
    color: #666;
    margin: 0;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .application-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .application-grid {
        grid-template-columns: 1fr;
    }
    
    .application-image {
        height: 200px;
    }
    
    .application-content {
        padding: 20px;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-item {
        padding: 20px;
    }
    
    .advantage-item .icon {
        width: 60px;
        height: 60px;
    }
}