@font-face {
    font-family: 'SY-Regular';
    src: url('../font/SourceHanSansCN-Regular.otf') format('opentype');
}

@font-face {
    font-family: 'SY-Bold';
    src: url('../font/SourceHanSansCN-Bold.otf') format('opentype');
}

/* 导航栏样式已移至 css/nav.css */

/* 全屏样式 */
.section {
    height: 100vh;
    position: relative;
}



.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

/* 第一屏视频容器样式 */
#section1 {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    padding: 0;
    margin: 0;
    background-color: #000;
}

/* 防止水平滚动条 */
html {
    overflow-x: hidden;
}

/* 自定义滚动条样式 */
.custom-fullpage::-webkit-scrollbar {
    width: 0;
    background: transparent;
}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#homepage-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

/* 第2屏样式 */
#section2 {
	font-family: 'SY-Regular';
    background-color: #fff;
    padding-top: 156px;
}

#section2 .content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 120px;
}

#section2 .section-title {
    text-align: center;
    font-size: 50px;
    line-height: 1.4;
    font-weight: bold;
    color: #212121;
    margin-bottom: 40px;
}

#section2 .section-title .highlight {
    color: #f18721;
    margin-right: 16px;
    font-size: 50px;
    font-weight: bold;
}

#section2 .tab-nav {
    display: flex;
    justify-content: center;
    background: #f6f8fa;
    border-radius: 32px;
    padding: 4px;
    margin: 0 auto 32px;
    width: 650px;
    height: 42px;
    align-items: center;
    gap: 4px;
}

#section2 .tab-item {
    font-size: 14px;
    color: #757575;
    cursor: pointer;
    padding: 10px 32px;
    border-radius: 24px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    z-index: 1;
    height: 34px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

#section2 .tab-item.active {
    color: #fff;
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 62.01%, #ff9d27 100%);
    font-size: 14px;
    font-weight: bold;
    border-radius: 24px;
    height: 34px;
    padding: 10px 32px;
}

#section2 .tab-item:not(.active):hover {
    color: #f18721;
    background-color: #fff4e4;
    height: 34px;
    padding: 10px 32px;
}

#section2 .section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #212121;
    margin-bottom: 60px;
}

#section2 .section-subtitle .highlight {
    color: #f18721;
    margin-right: 8px;
}

#section2 .section-content {
    display: flex;
    gap: 16px;
    align-items: flex-start;
	height: 456px;
}

#section2 .left-content {
    flex: 0 0 350px;
}

#section2 .feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

#section2 .feature-item {
	background-color: #f6f8fa;
	background-image: url('../images/mask.png');
	 background-repeat: no-repeat;
	 background-position:right bottom;
    padding: 32px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 136px;
}

#section2 .feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: transparent;
	background-repeat: no-repeat;
	background-position: bottom;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

#section2 .feature-item.active::before {
    opacity: 1;
    background-color: transparent;
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
}

/* AI工作方式标签页 - active状态的背景和背景图 */
#section2[data-current-tab="ai-work"] .feature-item[data-index="1"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="1"].active::before {
    background-image: url('../images/home-s2-bg-ai-active.png') !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="0"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="0"].active::before {
    background-image: url('../images/home-s2-bg-732-active.png') !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="2"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="2"].active::before {
    background-image: url('../images/home-s2-bg-performance-active.png') !important;
}

/* 智能组织协同标签页 - active状态的背景和背景图 */
#section2[data-current-tab="smart-org"] .feature-item[data-index="0"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="0"].active::before {
    background-image: url('../images/home-s2-bg-basic-active.png') !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="1"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="1"].active::before {
    background-image: url('../images/home-s2-bg-project-active.png') !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="2"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="2"].active::before {
    background-image: url('../images/home-s2-bg-exception-active.png') !important;
}

/* 全数据收集&智能分析标签页 - active状态的背景和背景图 */
#section2[data-current-tab="data-analysis"] .feature-item[data-index="0"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="data-analysis"] .feature-item[data-index="0"].active::before {
    background-image: url('../images/home-s2-bg-data-active.png') !important;
}

#section2[data-current-tab="data-analysis"] .feature-item[data-index="1"].active {
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) !important;
}

#section2[data-current-tab="data-analysis"] .feature-item[data-index="1"].active::before {
    background-image: url('../images/home-s2-bg-analysis-active.png') !important;
}

#section2 .feature-item:not(.active):hover {
    background-color: #fff4e4;
}

#section2 .feature-item:not(.active):hover h3,
#section2 .feature-item:not(.active):hover p {
    color: #f18721;
}

/* 战略高效闭环tab激活时完全禁用feature-item悬停效果 */
#section2.strategy-tab .feature-item {
    pointer-events: none !important;
}

#section2.strategy-tab .feature-item:hover,
#section2.strategy-tab .feature-item:not(.active):hover {
    background-color: #fff !important;
    cursor: default !important;
    transition: none !important;
}

#section2.strategy-tab .feature-item:hover h3,
#section2.strategy-tab .feature-item:hover p,
#section2.strategy-tab .feature-item:not(.active):hover h3,
#section2.strategy-tab .feature-item:not(.active):hover p {
    color: #757575 !important;
    transition: none !important;
}

#section2 .feature-item h3 {
    font-size: 16px;
    font-weight: bold;
}

#section2 .feature-item p {
    position: relative;
    z-index: 1;
    font-size: 14px;
    margin-top: 10px;
	color: #757575;
}

#section2 .feature-item h3,
#section2 .feature-item p {
    position: relative;
    z-index: 1;
}


#section2 .feature-item.active h3,
#section2 .feature-item.active p {
    color: #fff;
}

#section2 .right-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#section2 .preview-area {
    position: relative;
    width: 100%;
    height: 456px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

#section2 .preview-image {
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    object-fit: contain;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

#section2 .preview-image.active {
    opacity: 1;
    visibility: visible;
    display: block;
}

/* 视频错误提示样式 */
.video-error {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: #f5f5f5;
    color: #666;
    border-radius: 8px;
    border: 2px dashed #ddd;
    text-align: center;
    font-size: 14px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

/* 第3屏样式 */
#section3 {
    background-color: #fff;
    padding-top: 156px;
}

#section3 .content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 120px;
}

#section3 .section-title {
    text-align: center;
    font-size: 50px;
    line-height: 1.4;
    font-weight: bold;
    color: #212121;
    margin-bottom: 40px;
}

#section3 .section-title .highlight {
    color: #f18721;
    margin-right: 16px;
	font-size: 50px;
}

#section3 .view-switcher {
    display: flex;
    gap: 4px;
    background: #f6f8fa;
    border-radius: 21px;
    padding: 4px;
    margin: 0 auto 24px;
    width: 268px;
    height: 42px;
	align-items: center;
}

#section3 .switch-btn {
    font-size: 14px;
    color: #757575;
    cursor: pointer;
    padding: 10px 32px;
    border-radius: 17px;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
    z-index: 1;
    height: 34px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

#section3 .switch-btn.active {
    color: #fff;
    background: #f18721;
    font-size: 14px;
    font-weight: bold;
}

#section3 .switch-btn:not(.active):hover {
    color: #f18721;
    background: #fff4e4;
    font-weight: normal;
}

#section3 .info {
    height: 48px;
    text-align: center;
}

#section3 .info p {
    font-size: 16px;
    color: #212121;
    line-height: 32px;
    margin: 0;
}

#section3 .info .info-line1 {
    display: block;
}

#section3 .info .info-line2 {
    display: block;
}

#section3 .info .info-connected {
    display: none;
}

#section3 .module-info {
    text-align: center;
}

#section3 .module-scroll-container {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
    position: relative;
    margin-top: 40px;
    padding: 20px 0;
}

#section3 .module-grid {
    position: relative;
    width: max-content;
    display: flex;
    flex-direction: column;
    gap: 24px;
    will-change: transform;
    padding-left: 120px;
    transform: translate3d(0, 0, 0); /* 启用硬件加速 */
    backface-visibility: hidden; /* 减少抖动 */
}

#section3 .module-row {
    display: flex;
    gap: 24px;
    position: relative;
}

#section3 .module-row.offset {
    transform: translateX(128px);
}

#section3 .module-item {
    flex: 0 0 256px;
    height: 96px;
    display: flex;
    align-items: center;
    padding: 24px;
    background: rgba(255, 255, 255, 1);
    border-radius: 10px;
    box-shadow: 0px 0px 12px rgba(0, 0, 0, 0.16);
    transition: all 0.3s ease;
    will-change: transform, box-shadow;
}

/* 移除module-item悬停效果 */

#section3 .module-icon {
    width: 32px;
    height: 32px;
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#section3 .module-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#section3 .module-item span {
    font-size: 16px;
    color: #212121;
    white-space: nowrap;
	font-weight: bold;
}

/* 当鼠标悬停在容器上时暂停动画 */
#section3 .module-scroll-container:hover .module-grid {
    /* animation-play-state: paused; */
}

/* 优化渐变遮罩效果 - 扩展到全屏 */
#section3 .module-scroll-container::before,
#section3 .module-scroll-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 200px;
    /* 增加遮罩宽度以适应全屏 */
    z-index: 1;
    pointer-events: none;
}

#section3 .module-scroll-container::before {
    left: 0;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 1) 0%,
            rgba(255, 255, 255, 0.9) 60%,
            rgba(255, 255, 255, 0) 100%);
}

#section3 .module-scroll-container::after {
    right: 0;
    background: linear-gradient(to left,
            rgba(255, 255, 255, 1) 0%,
            rgba(255, 255, 255, 0.9) 60%,
            rgba(255, 255, 255, 0) 100%);
}

/* 为"1链接所有"视图添加特殊样式 */
#section3 #all-connected-view {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

#section3 #all-connected-view .module-row {
    display: flex;
    gap: 32px;
    position: relative;
}

#section3 #all-connected-view .module-item {
    flex: 0 0 200px;
    height: 300px;
    padding: 24px;
    background: rgba(250, 248, 255, 1);
    border-radius: 10px;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
    will-change: transform, box-shadow;
}

#section3 #all-connected-view .module-icon {
    width: 100%;
    height: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

#section3 #all-connected-view .module-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#section3 #all-connected-view .module-item span {
    font-size: 18px;
    color: #212121;
    text-align: center;
}

/* 移除all-connected-view module-item悬停效果 */

/* 调整行间距和偏移 */
#section3 #all-connected-view .module-row {
    gap: 32px;
}

#section3 #all-connected-view .module-row.offset {
    transform: translateX(116px);
}

/* 动态复制的行样式 */
#section3 .module-row.cloned-row {
    /* 继承原有样式，无需额外设置 */
}

/* 保持简单的布局，避免复杂过渡 */
#section3 .module-scroll-container {
    position: relative;
}

#section3 #all-in-one-view,
#section3 #all-connected-view {
    position: relative;
    width: 100%;
}

/* 第4屏样式 */
#section4 {
    background-color: #fff;
	background-image: url('../images/web-4/backimage.png');
	background-repeat: no-repeat;
	background-position:right bottom;
    min-height: 100vh;
    position: relative;
    overflow: visible;
    padding-top: 0;
    /* 移除顶部padding */
}

#section4 .content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 156px 120px 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

#section4 .section-title {
    text-align: center;
    font-size: 50px;
    line-height: 1.4;
    font-weight: bold;
    color: #212121;
    margin-bottom: 110px;
    flex: 0 0 auto;
    /* 固定标题高度 */
    position: relative;
    z-index: 2;
}

#section4 .section-title .highlight {
    color: #f18721;
    margin-right: 16px;
	font-size: 50px;
}

#section4 .systems-container {
    display: flex;
    justify-content: center;
    gap: 24px;
    align-items: stretch;
    position: relative;
    height: 440px;
}

/* 抽离的卡片内容样式 */
#section4 .card-overlay {
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
    z-index: 10;
}

/* 合并状态样式 - 相对定位到卡片右上角 */
#section4 .card-overlay.collapsed {
    position: absolute;
    top: 0;
    right: 0;
    width: 138px;
    height: 440px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    padding: 32px;
    box-sizing: border-box;
    pointer-events: none;
}

/* 展开状态样式 */
#section4 .card-overlay.expanded {
    position: absolute;
    top: 0;
    right: 0;
    width: 552px;
    height: 440px;
    opacity: 0;
    visibility: hidden;
    padding: 32px;
    box-sizing: border-box;
    pointer-events: none;
}

/* collapsed状态下直接子级h3的样式 */
#section4 .card-overlay.collapsed > p {
    font-size: 16px;
    color: #212121;
    margin: 0;
    text-align: center;
    white-space: nowrap;
    position: absolute;
    top: 51%;
}



#section4 .system-card {
    flex: 0 1 138px;
    background: #F5F5F5;
    padding: 32px;
    cursor: pointer;
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: column;
    height: 440px;
    border-radius: 10px;
    transition: flex 1s ease;
}

#section4 .system-cardbase {
    background-color: #f3eff5;
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: contain;
}

#section4 .system-operation {
    background-color: #eafbf5;
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: contain;
}

#section4 .system-service {
    background-color: #ecf2f9;
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: contain;
}

#section4 .system-professional {
    background-color: #fbf2e7;
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: contain;
}

#section4 .system-tech {
    background-color: #fff4e4;
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: contain;
}

#section4 .system-card.active {
    flex: 0 1 552px;
    width: 552px;
    background-color: #f3eff5;
    color: #757575;
}
#section4 .system-operation.active{
	background-color: #eafbf5;
}

#section4 .system-service.active{
	background-color: #ecf2f9;
}

#section4 .system-professional.active{
	background-color: #fbf2e7;
}

#section4 .system-tech.active{
	background-color: #fff4e4;
}

#section4 .card-icon {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    flex: 0 0 auto;
}

#section4 .card-icon-pos {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
	color: #212121;
    margin-bottom: 24px;
    flex: 0 0 auto;
}

#section4 .card-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

#section4 .system-card.active .card-icon img {
    width: 120px;
    height: 120px;
}

#section4 .card-content {
    position: absolute;
    left: 32px;
    right: 32px;
    top: 176px;
    bottom: 32px;
    opacity: 0;
    visibility: hidden;
}

#section4 .system-card.active .card-content {
    opacity: 1;
    visibility: visible;
}

#section4 .system-card.active .card-icon-pos div h3 {
    font-size: 24px;
    font-weight: bold;
    color: #212121;
    line-height: 32px;
}

#section4 .card-title {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex: 0 0 auto;
}

#section4 .card-title img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

#section4 .card-title h3 {
    font-size: 16px;
    font-weight: bold;
	color: #212121;
    margin: 0;
}

#section4 .card-content p {
    font-size: 14px;
    line-height: 28px;
}

/* 非激活卡片的标题样式 */
#section4 .system-card:not(.active) h3 {
    text-orientation: mixed;
    margin: 0 auto;
    font-size: 16px;
    color: #212121;
}



/* 激活时的阴影效果 */
#section4 .system-card.active {
    /* box-shadow: 0 8px 32px rgba(255, 107, 0, 0.24); */
}

/* 展开状态下的内容样式 */
#section4 .card-overlay.expanded .card-icon-pos {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    color: #212121;
    margin-bottom: 24px;
    flex: 0 0 auto;
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
}

#section4 .card-overlay.expanded .card-icon-pos div {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
}

#section4 .card-overlay.expanded .card-icon-pos div img {
    width: 32px;
    height: 32px;
    margin-right: 10px;
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
}

#section4 .card-overlay.expanded .card-icon-pos div h3 {
    font-size: 24px;
    font-weight: bold;
    color: #212121;
    line-height: 32px;
    margin: 0;
}

#section4 .card-overlay.expanded .card-content {
    opacity: 1;
    visibility: visible;
}

#section4 .card-overlay.expanded .card-content p {
    font-size: 14px;
    line-height: 28px;
    color: #757575;
}

/* 激活状态控制 - 添加淡入淡出效果 */
#section4 .system-card[data-card="1"].active .card-overlay.collapsed {
    opacity: 0;
    visibility: hidden;
    transition-delay: 0s;
}

#section4 .system-card[data-card="1"].active .card-overlay.expanded {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.5s;
}

#section4 .system-card[data-card="2"].active .card-overlay.collapsed {
    opacity: 0;
    visibility: hidden;
    transition-delay: 0s;
}

#section4 .system-card[data-card="2"].active .card-overlay.expanded {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.5s;
}

#section4 .system-card[data-card="3"].active .card-overlay.collapsed {
    opacity: 0;
    visibility: hidden;
    transition-delay: 0s;
}

#section4 .system-card[data-card="3"].active .card-overlay.expanded {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.5s;
}

#section4 .system-card[data-card="4"].active .card-overlay.collapsed {
    opacity: 0;
    visibility: hidden;
    transition-delay: 0s;
}

#section4 .system-card[data-card="4"].active .card-overlay.expanded {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.5s;
}

#section4 .system-card[data-card="5"].active .card-overlay.collapsed {
    opacity: 0;
    visibility: hidden;
    transition-delay: 0s;
}

#section4 .system-card[data-card="5"].active .card-overlay.expanded {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.5s;
}

/* 非激活状态的过渡延迟重置 */
#section4 .system-card:not(.active) .card-overlay.collapsed {
    transition-delay: 0.5s;
}

#section4 .system-card:not(.active) .card-overlay.expanded {
    transition-delay: 0s;
}

/* 第5屏样式 */
#section5 {
    background-color: #fff;
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

#section5 .content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 156px 112px 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

#section5 .section-title {
    text-align: center;
    font-size: 48px;
    /* line-height: 1.4; */
    font-weight: bold;
    color: #212121;
    margin-bottom: 30px;
}

#section5 .section-title .highlight {
    color: #f18721;
    font-size: 50px;
    line-height: 50px;
    margin-right: 12px;
    display: inline-block;
}

.section-title .highlight-sub {
    color: #212121;
    line-height: 36px;
    font-size: 50px;
    display: inline-block;
}

#section5 .subtitle {
    text-align: center;
    line-height: 20px;
    font-size: 16px;
    color: #212121;
    margin-bottom: 60px;
}

#section5 .subtitle-1 {
    color: #f18721;
}

#section5 .subtitle-2 {
    color: #2babff;
}

#section5 .innovation-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
}

/* ========================================
   第5屏 - 基础布局样式
   ======================================== */
#section5 .innovation-row {
    display: flex;
    width: 100%;
    justify-content: center;
}

/* ========================================
   第5屏 - 基础卡片样式 (innovation-card)
   ======================================== */
#section5 .innovation-card {
    width: 200px;
    height: 240px;
    background: rgba(246, 248, 250, 1);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.5s ease, background 0.6s ease;
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

#section5 .innovation-card.active {
    width: 800px;
    background: linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%);
    color: #fff;
    z-index: 1;
}

#section5 .innovation-row .innovation-card:not(:first-child) {
    margin-left: -1px;
}

#section5 .innovation-row .innovation-card:not(:last-child) {
}

#section5 .card-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

#section5 .card-image {
    margin-top: auto;
    text-align: right;
    position: absolute;
}

#section5 .card-image img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    transition: all 0.5s ease;
}

@media (max-width: 768px) {
    #section5 .innovation-grid {
        gap: 16px;
    }

    #section5 .innovation-row {
        flex-direction: column;
    }

    #section5 .innovation-card {
        width: 100%;
    }

    #section5 .innovation-card.active {
        width: 100%;
    }

    #section5 .innovation-row .innovation-card:not(:first-child) {
        border-radius: 10px;
        margin-left: 0;
        margin-top: -1px;
    }

    #section5 .innovation-row .innovation-card:not(:last-child) {
        border-radius: 10px;
    }
}

/* ========================================
   第5屏 - 合并状态卡片样式 (s5-r*-card*-collapsed)
   ======================================== */
#s5-r1-card1-collapsed, #s5-r1-card2-collapsed, #s5-r1-card3-collapsed,
#s5-r2-card1-collapsed, #s5-r2-card2-collapsed, #s5-r2-card3-collapsed {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    z-index: 20;
    background: rgba(246, 248, 250, 1);
    transition: background 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 合并状态卡片图片样式 */
#s5-r1-card1-collapsed .card-image,
#s5-r1-card2-collapsed .card-image,
#s5-r1-card3-collapsed .card-image,
#s5-r2-card1-collapsed .card-image,
#s5-r2-card2-collapsed .card-image,
#s5-r2-card3-collapsed .card-image {
    margin-bottom: 32px;
    text-align: center;
}

#s5-r1-card1-collapsed .card-image img,
#s5-r1-card2-collapsed .card-image img,
#s5-r1-card3-collapsed .card-image img,
#s5-r2-card1-collapsed .card-image img,
#s5-r2-card2-collapsed .card-image img,
#s5-r2-card3-collapsed .card-image img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

/* 合并状态卡片标题样式 */
#s5-r1-card1-collapsed h3,
#s5-r1-card2-collapsed h3,
#s5-r1-card3-collapsed h3,
#s5-r2-card1-collapsed h3,
#s5-r2-card2-collapsed h3,
#s5-r2-card3-collapsed h3 {
    font-size: 16px;
    font-weight: bold;
    color: #212121;
    text-align: center;
    margin-top: 16px;
    line-height: 1.2;
}

/* 合并状态卡片之间的分割线 - 只在可见的合并状态卡片之间显示 */
/* 第一行：默认第一个卡片展开，第二、三个卡片合并，所以在第二、三个卡片之间显示分割线 */
#s5-r1-card3-collapsed::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1px;
    width: 1px;
    height: 100%;
    background-color: #d8dde2;
    z-index: 25;
}

/* 第二行：默认第三个卡片展开，第一、二个卡片合并，所以在第一、二个卡片之间显示分割线 */
#s5-r2-card2-collapsed::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1px;
    width: 1px;
    height: 100%;
    background-color: #d8dde2;
    z-index: 25;
}

/* 动态分割线控制 - 当相邻卡片都是合并状态时显示分割线 */
/* 第一行所有可能的分割线位置 */
#s5-r1-card2-collapsed::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1px;
    width: 1px;
    height: 100%;
    background-color: #d8dde2;
    z-index: 25;
    opacity: 0;
    transition: opacity 0.1s ease;
}

#s5-r1-card3-collapsed::before {
    transition: opacity 0.1s ease;
}

/* 第二行所有可能的分割线位置 */
#s5-r2-card2-collapsed::before {
    transition: opacity 0.1s ease;
}

#s5-r2-card3-collapsed::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1px;
    width: 1px;
    height: 100%;
    background-color: #d8dde2;
    z-index: 25;
    opacity: 0;
    transition: opacity 0.1s ease;
}

/* 分割线显示控制类 */
.show-divider-before::before {
    opacity: 1 !important;
}

.hide-divider-before::before {
    opacity: 0 !important;
}

/* 第5屏卡片圆角设置 - 每行最边上的卡片 */
/* 第一行第一个卡片 - 左上和左下圆角 */
#s5-r1-card1-collapsed,
#s5-r1-card1-expanded {
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

/* 第一行第三个卡片 - 右上和右下圆角 */
#s5-r1-card3-collapsed,
#s5-r1-card3-expanded {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

/* 第二行第一个卡片 - 左上和左下圆角 */
#s5-r2-card1-collapsed,
#s5-r2-card1-expanded {
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

/* 第二行第三个卡片 - 右上和右下圆角 */
#s5-r2-card3-collapsed,
#s5-r2-card3-expanded {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}

/* ========================================
   第5屏 - 展开状态卡片样式 (s5-r*-card*-expanded)
   ======================================== */
#s5-r1-card1-expanded, #s5-r1-card2-expanded, #s5-r1-card3-expanded,
#s5-r2-card1-expanded, #s5-r2-card2-expanded, #s5-r2-card3-expanded {
    position: absolute;
    top: 0;
    right: 0;
    width: 800px;
    height: 240px;
    background: url('../images/s5-card-expanded-bg.png'), linear-gradient(90deg, #ea6f0a 0%, #ff9d27 100%) no-repeat center center;
    background-size: cover;
    color: white;
    z-index: 30;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    transition: background 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

/* 展开状态卡片文字内容容器 */
#s5-r1-card1-expanded .card-content,
#s5-r1-card2-expanded .card-content,
#s5-r1-card3-expanded .card-content,
#s5-r2-card1-expanded .card-content,
#s5-r2-card2-expanded .card-content,
#s5-r2-card3-expanded .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 展开状态卡片标题样式 */
#s5-r1-card1-expanded h3,
#s5-r1-card2-expanded h3,
#s5-r1-card3-expanded h3,
#s5-r2-card1-expanded h3,
#s5-r2-card2-expanded h3,
#s5-r2-card3-expanded h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 16px;
    color: white;
    line-height: 1.2;
    margin-left: 40px;
}

/* 展开状态卡片描述样式 */
#s5-r1-card1-expanded p,
#s5-r1-card2-expanded p,
#s5-r1-card3-expanded p,
#s5-r2-card1-expanded p,
#s5-r2-card2-expanded p,
#s5-r2-card3-expanded p {
    font-size: 16px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    margin-left: 40px;
}

/* 展开状态卡片图片区域 */
#s5-r1-card1-expanded .card-image,
#s5-r1-card2-expanded .card-image,
#s5-r1-card3-expanded .card-image,
#s5-r2-card1-expanded .card-image,
#s5-r2-card2-expanded .card-image,
#s5-r2-card3-expanded .card-image {
    flex-shrink: 0;
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 580px;
}

#s5-r1-card1-expanded .card-image img,
#s5-r1-card2-expanded .card-image img,
#s5-r1-card3-expanded .card-image img,
#s5-r2-card1-expanded .card-image img,
#s5-r2-card2-expanded .card-image img,
#s5-r2-card3-expanded .card-image img {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

/* ========================================
   第5屏 - 通用卡片覆盖层样式
   ======================================== */
#section5 .card-overlay {
    position: absolute;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
    z-index: 10;
}

/* 确保展开状态卡片的子元素显隐逻辑一致 */
#section5 .card-overlay.expanded .card-content,
#section5 .card-overlay.expanded .card-image {
    opacity: 1 !important;
    visibility: visible !important;
}

#section5 .card-overlay.collapsed .card-content,
#section5 .card-overlay.collapsed .card-image {
    opacity: 1 !important;
    visibility: visible !important;
}

/* 确保展开状态卡片的文字内容可见 */
#section5 .card-overlay.expanded h3,
#section5 .card-overlay.expanded p {
    opacity: 1 !important;
    visibility: visible !important;
}

/* 自定义右侧导航点样式 */
.custom-nav {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    height: 168px;
    display: flex;
    align-items: center;
}

.custom-nav.show {
    opacity: 1;
    visibility: visible;
}

.custom-nav ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.custom-nav ul li {
    width: 8px;
    height: 8px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-nav ul li a {
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #c3c9ce;
    transition: all 0.3s;
    text-decoration: none;
    pointer-events: none; /* 禁用a标签的点击事件，让li处理 */
}

.custom-nav ul li.active a {
    width: 8px;
    height: 8px;
    background: transparent;
    border: 2px solid #f18721;
}

.custom-nav ul li:hover:not(.active) a {
    width: 8px;
    height: 8px;
    background: transparent;
    border: 2px solid #f18721;
}

/* 隐藏span元素 */
.custom-nav ul li a span {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏响应式样式已移至 css/nav.css */

    .tabs-container {
        grid-template-columns: 1fr;
    }

    .system-cards {
        flex-direction: column;
    }

    .innovation-cards {
        grid-template-columns: 1fr;
    }
}

/* Banner 容器样式 */
.banner-container {
    width: 100%;
    height: 100vh;
    position: relative;
    overflow: hidden;
    max-height: 100vh; /* 确保不超过视口高度 */
}

.banner-slider {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden; /* 确保子元素不会溢出 */
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    overflow: hidden; /* 防止图片溢出 */
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    max-width: 100%; /* 防止图片超出容器 */
    max-height: 100%; /* 防止图片超出容器 */
}

/* Banner 导航点样式 */
.banner-dots {
    /* position: absolute; */
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 1;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.dot.active {
    background: #fff;
}

/* 首屏全屏显示 */
#section1 {
    height: 100vh !important;
    overflow: hidden;
}

/* 第6屏样式 */
#section6 {
    background-color: #fff;
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

#section6 .content {
    max-width: 1240px;
    margin: 0 auto;
    padding: 156px 0 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

#section6 .section-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    color: #212121;
    margin-bottom: 40px;
}

#section6 .section-title .highlight {
    color: #f18721;
    margin-right: 12px;
    font-size: 50px;
    display: inline-block;
}

#section6 .section-title .highlight-sub {
    color: #212121;
    font-size: 50px;
    display: inline-block;
}

#section6 .subtitle {
    text-align: center;
    font-size: 16px;
    color: #212121;
    margin-bottom: 64px;
    width: 860px;
    margin-left: 171px;
}

#section6 .subtitle .highlight {
    color: #f18721;
}

#section6 .subtitle p:nth-child(2) {
    margin-top: 12px;
}

#section6 .upgrade-grid {
    display: grid;
    grid-template-columns: 384px 1fr;
    gap: 24px;
    padding: 0;
}

#section6 .right-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
}

#section6 .upgrade-card {
    /* background: #F6F8FA; */
    /* border-radius: 16px; */
    /* padding: 32px; */
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    /* height: 240px; */
}

#section6 .upgrade-card.main-card {
    grid-column: unset;
    /* background: #fff8f2; */
    color: #212121;
    height: 100%;
    /* padding: 40px; */
}

#section6 .card-image {
    /* width: 80px;
    height: 80px; */
    margin-bottom: 20px;
    position: relative;
}

#section6 .main-card .card-image {
    /* width: 80px;
    height: 80px; */
}

#section6 .card-image img {
    object-fit: contain;
}

#section6 .upgrade-card h3 {
    font-weight: bold;
    color: #212121;
    margin-bottom: 16px;
    position: absolute;

}

#section6 .upgrade-card h3 {
    font-size: 24px;
    top: 205px;
    left: 34px;
}

#section6 .right-cards .upgrade-card h3 {
    font-size: 20px;
    top: 34px;
    left: 26px;
}

#section6 .upgrade-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    position: absolute;
    top: 268px;
}

#section6 .right-cards .upgrade-card ul {
    top: 94px;

}

#section6 .upgrade-card ul li {
    /* position: relative; */
    padding-left: 24px;
    color: #757575;
    line-height: 22px;
    font-size: 14px;
    display: flex;
}

#section6 .upgrade-card ul li img {
    margin-right: 8px;
}
#section6 .upgrade-card ul li:first-child{
   font-weight: bold;
   color: #757575;
   margin-bottom: 24px;
}
#section6 .upgrade-card ul li:nth-child(3){
    padding-left: 42px;
}
#section6 .upgrade-card ul li:nth-child(4){
    padding-left: 42px;
}
#section6 .main-card ul li {
    font-size: 14px;
    padding-left: 32px;
    color: #757575;
    display: flex;
}
#section6 .main-card ul li:nth-child(3){
    padding-left: 50px;
}
#section6 .main-card ul li:nth-child(4){
    padding-left: 50px;
}
#section6 .main-card ul li img {
    margin-right: 8px;
}

#section6 .main-card ul:first-child {
    color: #f18721;
}

/* #section6 .upgrade-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #f18721;
}

#section6 .main-card ul li::before {
    background: #fff;
    top: 10px;
} */

/* 响应式调整 */
@media (max-width: 1200px) {
    #section6 .content {
        padding: 60px 80px 0;
    }

    #section6 .upgrade-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    #section6 .right-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    #section6 .content {
        padding: 40px 20px 0;
    }

    #section6 .upgrade-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    #section6 .right-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    #section6 .section-title {
        font-size: 32px;
    }

    #section6 .subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    #section6 .upgrade-card {
        padding: 24px;
        height: auto;
        min-height: 240px;
    }

    #section6 .main-card {
        height: auto;
        min-height: 280px;
    }

    #section6 .card-image {
        width: 60px;
        height: 60px;
    }

    #section6 .main-card .card-image {
        width: 100px;
        height: 100px;
    }


    #section6 .main-card h3 {
        font-size: 24px;
    }

    #section6 .upgrade-card ul li {
        font-size: 14px;
    }
}

/* 第7屏样式 */
#section7 {
    background-color: #fff;
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

#section7 .content {
    max-width: 1440px;
    margin: 0 auto;
    /* padding: 80px 120px 0; */
    height: 100%;
    display: flex;
    flex-direction: column;
}

#section7 .title-container {
    background: url('../images/s7-title-container-bg.png'), linear-gradient(135deg, #f18721, #FF9248);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 100px 0px 48px 0px;
    margin-top: 56px;
    width: 100vw;
    height: 296px;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

#section7 .section-title {
    text-align: center;
    font-size: 50px;
    line-height: 64px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 24px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

#section7 .section-title .highlight {
    color: #fff;
	font-size:50px;
	line-height:38px;
    margin-right: 16px;
}

#section7 .subtitle {
    text-align: center;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

#section7 .quality-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 0;
    margin-top: 56px;
}

#section7 .quality-row {
    display: flex;
    gap: 24px;
    justify-content: center;
}

#section7 .quality-row:first-child {
    /* margin-bottom: 24px; */
}

#section7 .quality-card {
    /* background: rgba(242, 245, 250, 1); */
    border-radius: 16px;
    /* padding: 32px; */
    /* transition: all 0.3s ease; */
    margin-left: 120px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    width: 320px;
    height: 232px;
    overflow: hidden;
}

#section7 .quality-row .quality-card:nth-child(1) {
    background-image: url(../images/seven-one.png);
    background-position: right center;
    background-repeat: no-repeat;
}

#section7 .quality-row .quality-card:nth-child(2) {
    background-image: url(../images/seven-two.png);
    background-position: right center;
    background-repeat: no-repeat;
}

#section7 .quality-row .quality-card:nth-child(3) {
    background-image: url(../images/seven-three.png);
    background-position: right center;
    background-repeat: no-repeat;
}

#section7 .quality-row.add-two-bg .quality-card:nth-child(1) {
    background-image: url(../images/seven-four.png);
    background-position: right center;
    background-repeat: no-repeat;
}

#section7 .quality-row.add-two-bg .quality-card:nth-child(2) {
    background-image: url(../images/seven-five.png);
    background-position: right center;
    background-repeat: no-repeat;
}

#section7 .quality-card .card-header {
    display: flex;
    /* align-items: center; */
    flex-direction: column;
    /* margin-bottom: 24px; */
    position: relative;
    z-index: 2;
}

#section7 .quality-card .card-header img {
    width: 32px;
    height: 32px;
    margin-right: 16px;
}

#section7 .quality-card h3 {
    font-size: 24px;
    font-weight: bold;
    color: #212121;
    margin-top: 10px;
    margin-bottom: 24px;
    position: relative;
    z-index: 2;
}

#section7 .card-content {
    margin-top: 0;
    position: relative;
    z-index: 2;
    width: 238px;
}

#section7 .card-content p {
    font-family: "SY-Regular", sans-serif;
    font-size: 14px;
    line-height: 22px;
    color: #757575;
}

#section7 .card-content p.highlight {
    color: #757575;
    font-weight: bold;
    margin-bottom: 16px;
}

#section7 .seven-number-one {
    /* font-size: 196px;
    font-weight: bold;
    color: rgba(255, 107, 0, 0.1);
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    line-height: 1;
    z-index: 1; */
    background: url(../images/seven-one.png) no-repeat;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    #section7 .quality-card {
        width: 280px;
        height: 220px;
    }

    /* #section7 .number {
        font-size: 140px;
    } */
}

@media (max-width: 768px) {
    #section7 .quality-card {
        width: 100%;
        max-width: 320px;
        height: 232px;
    }

    #section7 .quality-row {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    #section7 .quality-row:first-child {
        margin-bottom: 16px;
    }

    /* #section7 .number {
        font-size: 120px;
    } */
}

/* 第8屏样式 */
#section8 {
    height: 100vh;
    position: relative;
    background-image: url('../images/section8-bg.png');
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5; /* 外层背景色 */
}

/* 固定大小的内容容器 */
.section8-fixed-container {
    width: 1440px;
    height: 1000px;
    position: relative;
    background-image: url('../images/section8-bg-fixed.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 1440px 1000px; /* 固定背景图片尺寸，不受容器变化影响 */
    overflow: hidden;
    /* 确保容器居中且固定大小 */
    flex-shrink: 0;
}

.section8-fixed-container .section-title {
    position: absolute;
    top: 198px;
    right: 435px;
    width: 600px;
    text-align: center;
    font-size: 50px;
    line-height: 38px;
    font-weight: bold;
    color: #212121;
    z-index: 10;
}
.section8-fixed-container .section-title .highlight{
	font-size: 50px;
	color:#f18721;
	font-weight:bold;
	margin-right:12px;
}

.section8-fixed-container .advantage-container {
    position: absolute;
    top: 180px;
    right: 80px;
    width: 1280px;
    height: 700px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

/* 左侧菜单样式 - 弧线布局 */
.section8-fixed-container .advantage-left {
    width: 400px;
    height: 700px;
    position: absolute;
    top: 120px;  /* 向下移动100px */
    left: 0px;  /* 向右移动80px */
    padding: 0;
}

.section8-fixed-container .advantage-item {
    position: absolute;
    width: 200px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-right: 50px;
}

/* 弧线位置分布 - 根据设计图调整 */
.section8-fixed-container .advantage-item[data-item="1"] {
    top: 0px;
    left: -24px;
}

.section8-fixed-container .advantage-item[data-item="2"] {
    top: 80px;
    left: -35px;
}

.section8-fixed-container .advantage-item[data-item="3"] {
    top: 160px;
    left: -39px;
}

.section8-fixed-container .advantage-item[data-item="4"] {
    top: 240px;
    left: -37px;
}

.section8-fixed-container .advantage-item[data-item="5"] {
    top: 320px;
    left: -30px;
}

.section8-fixed-container .advantage-item[data-item="6"] {
    top: 400px;
    left: -16px;
}

.section8-fixed-container .advantage-item[data-item="7"] {
    top: 480px;
    left: 5px;
}

.section8-fixed-container .item-content {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
}

.section8-fixed-container .item-text {
    font-family: "Source Han Sans CN";
    font-size: 18px;
    line-height: 28px;
    color: rgba(33, 33, 33, 1);
    transition: all 0.3s ease;
    white-space: nowrap;
    text-align: right;
    width: 100%;
}

/* 悬停状态的文字样式 */
.section8-fixed-container .advantage-item:hover .item-text {
    color: rgba(241, 135, 33, 1);
}

/* 选中状态的文字样式 */
.section8-fixed-container .advantage-item.active .item-text {
    color: rgba(241, 135, 33, 1);
    font-weight: bold;
}

/* 添加右侧图标 - 调整位置到弧线上 */
.section8-fixed-container .advantage-item::after {
    content: '';
    width: 36px;
    height: 36px;
    background: url('../images/section8-item-default.png') no-repeat center/contain;
    background-size: 30px 30px; /* 默认状态图片大小 */
    position: absolute;
    right: 0px;
    top: 54%;
    transform: translateY(-50%);
}

/* 悬停状态 */
.section8-fixed-container .advantage-item:hover::after {
    background-image: url('../images/section8-item-hover.png');
    background-size: 30px 30px; /* 悬停状态图片大小 */
}

/* 选中状态 */
.section8-fixed-container .advantage-item.active::after {
    background-image: url('../images/section8-item-active.png');
    background-size: 36px 36px; /* 选中状态图片大小 */
}

/* 中间内容区样式 */
.section8-fixed-container .advantage-center {
    width: 520px;
    height: 420px;
    background: url('../images/section8-big-card-bg.png'), linear-gradient(90deg, #ea6f0a, #ff9d27);
    background-size: cover, cover;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    border-radius: 10px 0 0 10px;
    padding: 40px;
    color: #FFFFFF;
    position: relative;
    overflow: hidden;
    /* 防止渲染问题导致的闪现 */
    z-index: 1;
    isolation: isolate;
    margin-left: 372px;
    margin-top: 170px;
}

.section8-fixed-container .center-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    display: flex;
    flex-direction: column;
    /* align-items: center; */
    /* 防止渲染闪现 */
    backface-visibility: hidden;
    transform: translateZ(0);
}

.section8-fixed-container .center-content.active {
    opacity: 1;
    visibility: visible;
}

.section8-fixed-container .center-content img {
    width: 108px;
    height: 108px;
    margin-bottom: 36px;
    object-fit: contain;
}

.section8-fixed-container .center-content .description {
    /* text-align: center; */
    width: 100%;
}

.section8-fixed-container .center-content h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 16px;
    color: #FFFFFF;
}

.section8-fixed-container .center-content p {
    font-size: 14px;
    line-height: 22px;
    margin-top: 16px;
    opacity: 0.9;
}

.section8-fixed-container .center-content p.highlight {
    font-size: 16px;
    font-weight: bold;
   line-height:26px;
    opacity: 1;
}

/* 右侧对比区样式 */
.section8-fixed-container .advantage-right {
    width: 348px;
    height: 420px;
	position: relative;
    border-radius: 0 10px 10px 0;
    overflow: hidden;
    /* 防止层叠上下文问题 */
    z-index: 0;
    background: #F6F8FA;
    left: -40px;
    margin-top: 170px;
}
.section8-fixed-container .advantage-right img{
	width:108px;
	height:108px;
}
.section8-fixed-container .traditional-software {
	    opacity: 0;
	    visibility: hidden;
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		padding: 40px;
		transition: opacity 0.2s ease, visibility 0.2s ease;
		display: flex;
		flex-direction: column;
		background: #F6F8FA;
		gap: 16px;
		/* 防止渲染闪现 */
		backface-visibility: hidden;
		transform: translateZ(0);
}
.section8-fixed-container .traditional-software.active {
    opacity: 1;
	visibility: visible;
}

.section8-fixed-container .traditional-software h3 {
    font-size: 24px;
    font-weight: bold;
    color: #212121;
    margin-top: 16px;
}

.section8-fixed-container .traditional-software p.highlight {
    font-size: 16px;
    color: #212121;
    font-weight: bold;
}

.section8-fixed-container .traditional-software p {
    font-size: 14px;
    line-height: 22px;
    color: #757575;
}

/* 响应式调整 - 保持固定容器不变 */
@media (max-width: 1440px) {
    .section8-fixed-container {
        /* 保持固定尺寸，不做响应式调整 */
    }
}

@media (max-width: 1200px) {
    .section8-fixed-container {
        /* 保持固定尺寸，不做响应式调整 */
    }
}

/* 第9屏样式 */
#section9 {
    background-color: #fff;
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

#section9 .content {
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
}

#section9 .contact-container {
    max-width: 1440px;
    margin: 0 auto;
    /* padding: 120px 120px 80px; */
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 120px;
}

#section9 .contact-left {
    width: 392px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 360px;
}

#section9 .contact-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 90px;
}

#section9 .contact-right img {
    width: 520px;
    height: 328px;
    object-fit: cover;
    background:  #ffffffff;
}

#section9 .slogan {
    font-size: 36px;
    font-weight: bold;
    color: #212121;
    margin-top: 126px;
    margin-bottom: 108px;
	letter-spacing: 3px;
}

#section9 .info-item-link{
    margin-bottom: 19px;
    display: flex;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

#section9 .info-item-link:hover{
    opacity: 0.8;
}

#section9 .info-item-text{
    font-size: 14px;
    margin-left: 32px;
    margin-top: 8dp;
    color: #757575;
}

#section9 .info-item:last-child {
    margin-bottom: 0;
}

#section9 .info-item-link img {
    width: 24px;
    height: 24px;
}

#section9 .link{
    font-size: 18px;
    font-weight: bold;
    color: #212121;
}
/* 移除鼠标悬停指针样式，因为链接不再可点击 */
/* #section9 .link:hover{
    cursor: pointer;
} */
#section9 .svg1 {
  margin-right: 8px;
}

#section9 .svg2 {
  margin-left: 4px;
}

#section9 .info-item p {
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    color: #666666;
}

#section9 .divider {
    height: 1px;
    background: #E5E5E5;
    margin: 110px 0 69px 0;
}

#section9 .bottom-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 64px 0 24px;
}

#section9 .bottom-container {
	width:100%;
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

#section9 .footer-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: flex-start;
    flex: 1;
}

#section9 .footer-nav {
    display: flex;
    flex-direction: row;
    gap: 45px;
    align-items: flex-start;
    width: 100%;
}

#section9 .nav-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
}

#section9 .nav-title {
    color: #212121;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.3s ease;
	font-weight: bold;
}

/* #section9 .nav-title:hover {
    color: #f18721;
} */

#section9 .nav-links-n {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#section9 .nav-links-n span {
    color: #757575;
    font-size: 12px;
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap;
    display: block;
}

/* #section9 .nav-links a:hover {
    color: #f18721;
} */

#section9 .copyright {
    display: flex;
    flex-direction: row;
    gap: 24px;
    align-items: center;
    width: 100%;
}

#section9 .copyright p {
    font-size: 14px;
    line-height: 1.6;
    color: #999999;
    margin: 0;
}

#section9 .qrcode-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-left: 80px;
}

#section9 .qrcode-image {
    width: 120px;
    height: 120px;
    background: rgba(189, 189, 189, 1);
    object-fit: cover;
}

#section9 .qrcode-text {
    font-size: 14px;
    color: #212121;
	font-weight:bold;
    line-height: 22px;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 1440px) {
    #section9 .contact-container {
        padding: 80px 80px 60px;
        gap: 80px;
    }

    #section9 .contact-right img {
        width: 400px;
        height: 254px;
        /* 保持宽高比 */
    }

    #section9 .footer-content {
        padding: 0 80px;
    }

    #section9 .link-group {
        gap: 32px;
    }

    #section9 .bottom-container {
        padding: 0 80px;
    }

    #section9 .footer-nav {
        gap: 60px;
    }

    #section9 .qrcode-section {
        margin-left: 60px;
    }
}

@media (max-width: 1200px) {
    #section9 .contact-container {
        padding: 60px 40px 40px;
        gap: 60px;
        flex-direction: column;
        align-items: center;
    }

    #section9 .contact-right {
        width: 100%;
        max-width: 440px;
    }

    #section9 .contact-right img {
        width: 100%;
        height: auto;
        aspect-ratio: 440/280;
        /* 保持宽高比 */
    }

    #section9 .footer-content {
        padding: 0 40px;
    }

    #section9 .footer-nav {
        flex-wrap: wrap;
        gap: 40px;
        justify-content: space-between;
    }

    #section9 .link-group {
        gap: 24px;
    }

    #section9 .bottom-container {
        padding: 0 40px;
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    #section9 .footer-content {
        width: 100%;
    }

    #section9 .nav-group {
        width: calc(50% - 20px);
    }

    #section9 .copyright {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    #section9 .qrcode-section {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    #section9 .contact-container {
        padding: 40px 20px 30px;
        gap: 40px;
    }

    #section9 .slogan h2 {
        font-size: 32px;
    }

    #section9 .footer-content {
        width: 100%;
        align-items: center;
        text-align: center;
    }

    #section9 .link-group {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    #section9 .copyright {
        align-items: center;
    }

    #section9 .qrcode-section {
        margin-bottom: 32px;
    }

    #section9 .bottom-section {
        padding: 40px 0 24px;
    }

    #section9 .contact-right {
        max-width: 100%;
    }

    #section9 .footer-nav {
        flex-direction: column;
        gap: 32px;
    }

    #section9 .nav-group {
        width: 100%;
        align-items: center;
    }

    #section9 .nav-links {
        align-items: center;
    }

    #section9 .copyright {
        align-items: center;
    }
}

/* Banner 进度条样式 */
.banner-progress {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 2;
}

.progress-item {
    width: 80px;
    height: 8px;
    border-radius: 80px;
    background: rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 鼠标悬停效果 */
.progress-item:hover {
    background: rgba(241, 135, 33, 0.56);
}

.progress-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(241, 135, 33, 1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.progress-item.active::after {
    animation: progressFill 5s linear forwards;
}

/* 当鼠标悬停在激活状态的进度条上时，保持动画效果 */
.progress-item.active:hover::after {
    background: rgba(241, 135, 33, 1);
}

@keyframes progressFill {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(0);
    }
}

/* 重置其他进度条的状态 */
.progress-item:not(.active)::after {
    transform: translateX(-100%);
    animation: none;
    transition: transform 0.3s ease;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .banner-progress {
        bottom: 20px;
        gap: 8px;
    }

    .progress-item {
        width: 60px;
        height: 6px;
    }
} 

.titleHighlight{
	font-weight: bold;
	font-size: 16px;
	color: #f18721;
}

/* ========== Section2 功能项背景图设置 ========== */

/* AI工作方式标签页 - 超级AI助手加持工作 */
#section2[data-current-tab="ai-work"] .feature-item[data-index="1"] {
    background-image: url('../images/home-s2-bg-ai-default.png') !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="1"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-ai-hover.png') !important;
}

/* AI工作方式标签页 - 所有人统一的"732"工作方法 */
#section2[data-current-tab="ai-work"] .feature-item[data-index="0"] {
    background-image: url('../images/home-s2-bg-732-default.png') !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="0"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-732-hover.png') !important;
}

/* AI工作方式标签页 - 智能实时绩效 */
#section2[data-current-tab="ai-work"] .feature-item[data-index="2"] {
    background-image: url('../images/home-s2-bg-performance-default.png') !important;
}

#section2[data-current-tab="ai-work"] .feature-item[data-index="2"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-performance-hover.png') !important;
}

/* 智能组织协同标签页 - 基础业务自动协同 */
#section2[data-current-tab="smart-org"] .feature-item[data-index="0"] {
    background-image: url('../images/home-s2-bg-basic-default.png') !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="0"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-basic-hover.png') !important;
}

/* 智能组织协同标签页 - 重大项目智能协同 */
#section2[data-current-tab="smart-org"] .feature-item[data-index="1"] {
    background-image: url('../images/home-s2-bg-project-default.png') !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="1"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-project-hover.png') !important;
}

/* 智能组织协同标签页 - 异常处理有效协同 */
#section2[data-current-tab="smart-org"] .feature-item[data-index="2"] {
    background-image: url('../images/home-s2-bg-exception-default.png') !important;
}

#section2[data-current-tab="smart-org"] .feature-item[data-index="2"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-exception-hover.png') !important;
}

/* 全数据收集&智能分析标签页 - 企业内外部数据"一网打尽" */
#section2[data-current-tab="data-analysis"] .feature-item[data-index="0"] {
    background-image: url('../images/home-s2-bg-data-default.png') !important;
}

#section2[data-current-tab="data-analysis"] .feature-item[data-index="0"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-data-hover.png') !important;
}

/* 全数据收集&智能分析标签页 - 体系化数据智能分析 */
#section2[data-current-tab="data-analysis"] .feature-item[data-index="1"] {
    background-image: url('../images/home-s2-bg-analysis-default.png') !important;
}

#section2[data-current-tab="data-analysis"] .feature-item[data-index="1"]:not(.active):hover {
    background-image: url('../images/home-s2-bg-analysis-hover.png') !important;
}

/* 战略高效闭环标签页 - 具备标准化的战略规划能力 */
#section2[data-current-tab="strategy"] .feature-item[data-index="0"] {
    background-image: url('../images/home-s2-bg-strategy-default.png') !important;
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
}

/* 战略高效闭环标签页 - 具备标准化的目标制定和管理能力 */
#section2[data-current-tab="strategy"] .feature-item[data-index="1"] {
    background-image: url('../images/home-s2-bg-target-default.png') !important;
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
}

/* 战略高效闭环标签页 - 具备体系化的数据分析能力 */
#section2[data-current-tab="strategy"] .feature-item[data-index="2"] {
    background-image: url('../images/home-s2-bg-data-analysis-default.png') !important;
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
}