/* 可持续发展页面样式 */

/* 文字内容宽度限制，与strategy-images保持一致 */
.innovation-page .capability-block {
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 40px 60px;
}

/* 顶部长图 */
.hero-image {
    width: calc(100% + 80px);
    margin-left: -40px;
    margin-right: -40px;
    margin-top: -60px;
    margin-bottom: 60px;
}

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
}

/* 策略图片 - 3张小图组成，宽度和文字内容一样 */
.strategy-images {
    margin: 60px 0;
}

.strategy-images-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.strategy-image-item {
    width: 100%;
}

.strategy-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
}

/* 认可图片 - 3张小图组成，宽度和文字内容一样 */
.recognition-images {
    margin: 60px 0;
}

.recognition-images-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.recognition-image-item {
    width: 100%;
}

.recognition-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    object-position: center;
}

/* 认证标志 - 一排9个图标 */
.certifications-section {
    margin: 60px 0;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 60px;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 20px;
    align-items: center;
}

.cert-item {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.cert-img {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

/* 文字内容样式增强 */
.section-description h4 {
    color: #C6AA76;
    font-size: 18px;
    font-weight: bold;
    margin: 30px 0 15px 0;
    line-height: 1.4;
}

.section-description h4:first-child {
    margin-top: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .innovation-page .capability-block {
        padding: 40px 30px;
    }
    
    .hero-image {
        width: calc(100% + 60px);
        margin-left: -30px;
        margin-right: -30px;
        margin-top: -40px;
    }
    
    .hero-img {
        height: 300px;
    }
    
    .strategy-images-grid,
    .recognition-images-grid {
        padding: 0 30px;
        gap: 15px;
    }
    
    .strategy-img,
    .recognition-img {
        height: 200px;
    }
    
    .certifications-section {
        padding: 0 30px;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .cert-item {
        width: 80px;
        height: 80px;
    }
    
    .cert-img {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 768px) {
    .innovation-page .capability-block {
        padding: 20px 15px;
    }
    
    .hero-image {
        width: calc(100% + 30px);
        margin-left: -15px;
        margin-right: -15px;
        margin-top: -30px;
    }
    
    .hero-img {
        height: 250px;
    }
    
    .strategy-images-grid,
    .recognition-images-grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
        gap: 20px;
    }
    
    .strategy-img,
    .recognition-img {
        height: 180px;
    }
    
    .certifications-section {
        padding: 0 15px;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .cert-item {
        width: 70px;
        height: 70px;
    }
    
    .cert-img {
        width: 40px;
        height: 40px;
    }
    
    .section-description h4 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .innovation-page .capability-block {
        padding: 20px 10px;
    }
    
    .hero-image {
        width: calc(100% + 20px);
        margin-left: -10px;
        margin-right: -10px;
        margin-top: -20px;
    }
    
    .hero-img {
        height: 200px;
    }
    
    .strategy-img,
    .recognition-img {
        height: 150px;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .cert-item {
        width: 60px;
        height: 60px;
    }
    
    .cert-img {
        width: 35px;
        height: 35px;
    }
    
    .section-description h4 {
        font-size: 14px;
        margin: 20px 0 10px 0;
    }
}  

.music-control {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.music-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    filter: brightness(0) invert(1); /* 将图标变为白色 */
}

.music-icon.rotating {
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}