/* 平台创新页面样式 */
.platform-innovation-section {
	padding: 80px 0;
	background: #f5f5f5;
}

.platform-content {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

.platform-header {
	text-align: left;
	margin-bottom: 60px;
}

.platform-header h1 {
	font-size: 36px;
	color: #c6aa78;
	margin-bottom: 10px;
	font-weight: normal;
}

.platform-header .subtitle {
	font-size: 14px;
	color: #999;
	text-transform: uppercase;
	letter-spacing: 2px;
	margin-bottom: 30px;
}

.platform-description {
	font-size: 16px;
	line-height: 1.8;
	color: #666;
	max-width: 800px;
}

.platform-main {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 80px;
	margin-bottom: 80px;
}

.platform-left {
	display: flex;
	flex-direction: column;
	gap: 40px;
}

.platform-right {
	position: relative;
}

.partnership-section {
	background: white;
	padding: 40px;
	border-radius: 8px;
	box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.partnership-title {
	font-size: 24px;
	color: #c6aa78;
	margin-bottom: 20px;
	font-weight: normal;
}

.partnership-subtitle {
	font-size: 14px;
	color: #666;
	margin-bottom: 30px;
	line-height: 1.6;
}

.partnership-list {
	list-style: none;
	padding: 0;
}

.partnership-list li {
	font-size: 14px;
	color: #666;
	margin-bottom: 15px;
	position: relative;
	padding-left: 20px;
	line-height: 1.6;
}

.partnership-list li:before {
	content: "•";
	color: #c6aa78;
	position: absolute;
	left: 0;
	font-weight: bold;
}

.collaboration-section {
	background: white;
	padding: 40px;
	border-radius: 8px;
	box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.collaboration-title {
	font-size: 24px;
	color: #c6aa78;
	margin-bottom: 20px;
	font-weight: normal;
}

.collaboration-description {
	font-size: 14px;
	color: #666;
	line-height: 1.8;
	margin-bottom: 30px;
}

.collaboration-list {
	list-style: none;
	padding: 0;
}

.collaboration-list li {
	font-size: 14px;
	color: #666;
	margin-bottom: 15px;
	position: relative;
	padding-left: 20px;
	line-height: 1.6;
}

.collaboration-list li:before {
	content: "•";
	color: #c6aa78;
	position: absolute;
	left: 0;
	font-weight: bold;
}

.platform-images {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	margin-bottom: 40px;
}

.platform-image-large {
	grid-column: span 2;
	height: 300px;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 4px 20px rgba(0,0,0,0.1);
	position: relative;
}

.platform-image-large img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.image-overlay {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	color: white;
	text-align: center;
	background: rgba(0,0,0,0.3);
	padding: 20px;
	border-radius: 8px;
}

.image-overlay h3 {
	font-size: 24px;
	margin: 0;
	text-transform: uppercase;
	letter-spacing: 2px;
}

.platform-image-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}

.platform-image-item {
	height: 200px;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 4px 20px rgba(0,0,0,0.1);
	position: relative;
}

.platform-image-item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.image-label {
	position: absolute;
	bottom: 10px;
	left: 10px;
	background: rgba(0,0,0,0.7);
	color: white;
	padding: 5px 10px;
	border-radius: 4px;
	font-size: 12px;
}

.innovation-summary {
	background: white;
	padding: 40px;
	border-radius: 8px;
	box-shadow: 0 4px 20px rgba(0,0,0,0.1);
	text-align: center;
}

.innovation-summary h2 {
	font-size: 28px;
	color: #c6aa78;
	margin-bottom: 20px;
}

.innovation-summary p {
	font-size: 16px;
	color: #666;
	line-height: 1.8;
	max-width: 800px;
	margin: 0 auto;
}

/* Platform Innovation页面特定样式 */

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

/* 平台合作区域 */
.platform-collaboration {
    margin-bottom: 100px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.collaboration-content {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px 60px;
    justify-content: center;
}

.collaboration-content.reverse {
    flex-direction: row-reverse;
}

.collaboration-text {
    width: 40%;
    padding-right: 10px;
}

.collaboration-title {
    font-size: 24px;
    font-weight: bold;
    color: #C6AA76;
    margin-bottom: 30px;
    line-height: 1.4;
}

.collaboration-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.collaboration-description p {
    margin-bottom: 20px;
}

.collaboration-images {
    width: 60%;
    padding-left: 10px;
}

/* 图片容器和缸号样式 */
.image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.image-code {
    font-size: 12px;
    color: #999;
    font-weight: normal;
    padding: 5px 0;
    text-align: left;
}

.image-code.top-left {
    order: 1;
    margin-bottom: 5px;
}

.image-code.bottom-left {
    order: 3;
    margin-top: 5px;
}

.image-code.bottom-right {
    order: 3;
    margin-top: 5px;
    text-align: right;
}

.platform-image {
    order: 2;
    width: 100%;
    height: 500px;
    object-fit: cover;
    object-position: center;
}

/* 所有图片统一宽度 - 确保完全一致 */
.platform-image {
    margin: 0 auto;
    display: block;
}

/* 缸号与图片对齐 */
.image-container .image-code {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* 杜邦公司图片布局 - 两列平分宽度 */
.image-group-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.image-left {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: center;
}

.image-right-stack {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 伊士曼公司图片布局 - 两列平分宽度 */
.image-group-left {
    padding-right: 10px;
}

.image-quad {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* 特定图片的margin调整 */
.image-quad .image-container:has(img[src*="C75833"]) {
    margin-top: -30px;
}

.image-quad .image-container:has(img[src*="C70350"]) {
    margin-top: -30px;
}

.image-quad .image-container:has(img[src*="C95331"]) {
    margin-bottom: -30px;
}

.image-quad .image-container:has(img[src*="C94944"]) {
    margin-bottom: -30px;
}

/* 英瑞达公司图片布局 - 两列平分宽度 */
.image-double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Scientific Research And Innovation 英文文字样式 */
.scientific-text {
    position: absolute;
    font-size: 18px;
    color: #777;
    font-weight: 300;
    line-height: 1.7;
    letter-spacing: 1px;
    z-index: 5;
}

/* 杜邦公司 - C73093图片下方居右，Scientific与图片重叠 */
.platform-collaboration:nth-child(2) .scientific-text {
    right: 450px;
    bottom: 235px;
    text-align: right;
}

/* 伊士曼公司 - 文字下方，Innovation与C94944图片下端对齐 */
.platform-collaboration:nth-child(3) .scientific-text {
    left: 840px;
    bottom: 45px;
    text-align: left;
}

/* 英瑞达公司 - 文字部分右下方 */
.platform-collaboration:nth-child(4) .scientific-text {
    left: 450px;
    bottom: 20px;
    text-align: left;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .innovation-page .capability-block {
        padding: 40px 30px;
    }
    
    .collaboration-content {
        flex-direction: column;
        gap: 40px;
        padding: 40px 30px;
    }
    
    .collaboration-content.reverse {
        flex-direction: column;
    }
    
    .collaboration-text {
        padding-right: 0;
        flex: 1;
    }
    
    .collaboration-images {
        padding-left: 0;
        flex: 1;
    }
    
    .platform-image {
        height: 280px;
    }
    
    .image-container .image-code {
        width: 65%;
    }
    
    .scientific-text {
        font-size: 16px;
    }
    
    .image-group-left {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .innovation-page .capability-block {
        padding: 20px 15px;
    }
    
    .collaboration-content {
        padding: 20px 15px;
        gap: 30px;
    }
    
    .collaboration-content.reverse {
        flex-direction: column;
    }
    
    .collaboration-title {
        font-size: 20px;
    }
    
    .image-group-right {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .image-right-stack {
        flex-direction: row;
        gap: 15px;
    }
    
    .image-quad {
        grid-template-rows: auto auto;
        gap: 12px;
    }
    
    .image-double {
        gap: 12px;
    }
    
    .platform-image {
        height: 220px;
    }
    
    .image-container .image-code {
        width: 75%;
    }
    
    .image-code {
        font-size: 10px;
        padding: 3px 0;
    }
    
    /* 小屏幕时取消margin调整 */
    .image-quad .image-container:has(img[src*="C75833"]),
    .image-quad .image-container:has(img[src*="C70350"]) {
        margin-top: 0;
    }
    
    .image-quad .image-container:has(img[src*="C95331"]),
    .image-quad .image-container:has(img[src*="C94944"]) {
        margin-bottom: 0;
    }
    
    .scientific-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .platform-collaboration {
        margin-bottom: 60px;
    }
    
    .innovation-page .capability-block {
        padding: 20px 10px;
    }
    
    .collaboration-content {
        padding: 20px 10px;
    }
    
    .collaboration-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .collaboration-description {
        font-size: 14px;
    }
    
    .image-group-right {
        gap: 10px;
    }
    
    .image-right-stack {
        gap: 10px;
    }
    
    .image-quad {
        gap: 10px;
    }
    
    .image-double {
        gap: 10px;
    }
    
    .platform-image {
        height: 180px;
    }
    
    .image-container .image-code {
        width: 85%;
    }
    
    .image-code {
        font-size: 9px;
        padding: 2px 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);
    }
}