/* 产品页面精简样式 */

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 应用场景 */
.application-scenarios {
    padding: 0px 0 80px;
    background-color: #fff;
}

.scenarios-grid {
    margin-top: 50px;
}

.scenario-row {
    display: grid;
    grid-template-columns: 860px 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.scenario-row:last-child {
    margin-bottom: 0;
}

/* 图片卡片 */
.scenario-image-card {
    position: relative;
    width: 860px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scenario-image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.scenario-image-card img {
    width: 100%;
    height: 415px;
    object-fit: cover;
    display: block;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    padding: 30px 25px;
    color: white;
}

.image-overlay h3 {
    font-size: 1.5rem;
    font-weight: normal;
    margin: 0 0 10px 0;
    color: white;
}

.image-overlay p {
    font-size: 1rem;
    margin: 0;
    opacity: 0.95;
    line-height: 1.6;
}

/* 优势列表卡片 */
.scenario-advantages-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 40px 35px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scenario-advantages-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.advantages-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 30px 0;
    color: #333;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.advantages-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #007bff;
    border-radius: 2px;
}

.advantages-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.advantages-list li {
    position: relative;
    padding: 15px 20px;
    padding-left: 50px;
    background-color: #f8f9fa;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
    transition: background-color 0.3s ease;
}

.advantages-list li:hover {
    background-color: #e9ecef;
}

.advantages-list li::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%) scale(1);
    width: 8px;
    height: 8px;
    background: radial-gradient(circle, #007bff 0%, #007bff 50%, rgba(0, 123, 255, 0.3) 100%);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.advantages-list li:nth-child(1)::before {
    animation-delay: 0s;
}

.advantages-list li:nth-child(2)::before {
    animation-delay: 0.4s;
}

.advantages-list li:nth-child(3)::before {
    animation-delay: 0.8s;
}

.advantages-list li:nth-child(4)::before {
    animation-delay: 1.2s;
}

@keyframes pulse {
    0%, 100% {
        transform: translateY(-50%) scale(1);
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.4);
    }
    50% {
        transform: translateY(-50%) scale(1.25);
        opacity: 0.85;
        box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.2),
                    0 0 0 8px rgba(0, 123, 255, 0.1);
    }
}

/* 产品优势 */
.product-advantages {
    padding: 80px 0;
    background-color: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.advantage-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(30, 136, 229, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.advantage-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.advantage-item p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .scenario-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .scenario-image-card {
        width: 100%;
        max-width: 860px;
        margin: 0 auto;
    }
    
    .scenario-image-card img {
        height: 350px;
    }
}

@media (max-width: 992px) {
    .scenario-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .scenario-image-card {
        width: 100%;
        max-width: 100%;
    }
    
    .scenario-image-card img {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.2rem;
    }
    
    .application-scenarios {
        padding: 60px 0;
    }
    
    .scenario-image-card img {
        height: 300px;
    }
    
    .image-overlay {
        padding: 20px;
    }
    
    .image-overlay h3 {
        font-size: 1.5rem;
    }
    
    .image-overlay p {
        font-size: 0.9rem;
    }
    
    .scenario-advantages-card {
        padding: 30px 25px;
    }
    
    .advantages-title {
        font-size: 1.5rem;
    }
    
    .advantages-list li {
        font-size: 0.9rem;
        padding: 12px 15px;
        padding-left: 40px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 576px) {
    .page-header {
        padding: 80px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .product-advantages {
        padding: 60px 0;
    }
}