/* 页面横幅区域 */
.about-banner {
    width: 100%;
    margin-top: 70px;
    overflow: hidden;
    position: relative;
}

.about-banner .banner-image {
    width: 100%;
    height: 870px;
    position: relative;
}

.about-banner .banner-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center center;
}

/* AI智慧群控平台介绍区域 - 固德威风格 */
.ai-platform {
    padding: 40px 0 10px;
    background: #fff;
    opacity: 0;
    transform: translateY(-100px);
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
}

.ai-platform.animate-slide-down {
    opacity: 1;
    transform: translateY(0);
}

@keyframes slideDownFromBanner {
    0% {
        opacity: 0;
        transform: translateY(-100px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-platform.slide-down-animation {
    animation: slideDownFromBanner 0.8s ease-in-out forwards;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 3px;
    margin-bottom: 72px;
    margin-left: 172px;
    font-size: 14px;
    color: #999;
}

.breadcrumb-item {
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
}

.breadcrumb-item:hover {
    color: rgba(8, 110, 114, 1);
}

.breadcrumb-item:active {
    color: rgba(8, 110, 114, 1);
}

/* 面包屑导航链接 */
.breadcrumb-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.breadcrumb-link {
    color: rgba(51, 51, 51, 1);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

/* .breadcrumb-link:hover {
    color: rgba(51, 51, 51, 1)
} */

.breadcrumb-link:active {
    color: rgba(8, 110, 114, 1);
}

.breadcrumb-link.active {
    color:rgba(51, 51, 51, 1);
}

.breadcrumb-separator {
    color: #999;
    margin: 0 2px;
}

.breadcrumb-icon {
    font-size: 12px;
    color: #076e72;
}

/* 面包屑图标图片 */
.breadcrumb-icon-img {
    width: 12px;
    height: 12px;
    object-fit: contain;
    vertical-align: middle;
    margin-right: 4px;
}

.breadcrumb-text {
    color: #666;
}

.platform-content {
    display: flex;
    gap: 118px;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
}

/* 左侧区域 */
.platform-left {
    flex: 0 0 44%;
    display: flex;
    flex-direction: row;
    gap: 94px;
    align-items: flex-start;
}

/* 控制区域 - 竖排布局 */
.control-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 38px;
    margin-left: -70px;
    margin-top: 0;
}

/* 控制按钮包装器 - 参考首页解决方案样式 */
.control-btn-wrapper {
    position: relative;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 外层圆环 - 无背景 */
.outer-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    z-index: 1;
}

/* 内层圆形 - 精准居中定位，无背景 */
.inner-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.inner-circle:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

/* 播放/暂停图标 */
.play-pause-icon {
    width: 15px;
    height: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-pause-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* SVG进度圆环 - 精准居中定位 */
.progress-ring-svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    pointer-events: auto;
    cursor: pointer;
    z-index: 5;
}

.progress-ring-svg circle {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
}

/* 背景圆环 */
.progress-ring-svg .progress-bg {
    stroke:rgba(8, 110, 114, 1);
}

/* 进度条 */
.progress-ring-svg .progress-fill {
    stroke:rgba(138, 200, 137, 1);
    stroke-dasharray: 251.2;
    stroke-dashoffset: 251.2;
    transform: rotate(-90deg);
    transform-origin: center;
}

.progress-ring-svg.active .progress-fill {
    animation: progressAnimationTwoCircles 4s linear forwards;
}

@keyframes progressAnimationTwoCircles {
    0% {
        stroke-dashoffset: 251.2;
    }
    50% {
        stroke-dashoffset: 0;
    }
    50.01% {
        stroke-dashoffset: 251.2;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

/* 指示器点 */
.indicators {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-left: 25px;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(7, 110, 114, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.indicator.active {
    border-color: #076e72;
    border-width: 2px;
    transform: scale(1.2);
}

.indicator:hover {
    border-color: rgba(7, 110, 114, 0.6);
}

/* 标题文字 */
.platform-text {
    display: flex;
    align-items: flex-start;
    padding-top: 0;
    margin-top: 0;
}

.platform-text h3 {
    font-size: 32px;
    line-height: 1.7;
    color:rgba(51, 51, 51, 1);
    font-weight: 700;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
    margin: 0;
}

/* 右侧区域 */
.platform-right {
    flex: 0 0 65%;
    display: flex;
    flex-direction: column;
    gap: 42px;
    padding-top: 12px;
}

/* 描述文字滚动容器 */
.platform-desc-wrapper {
    width: 100%;
    max-width: 72%;
    height: 80px;
    overflow: hidden;
    position: relative;
}

.platform-desc-scroll {
    width: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.desc-item {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
}

.desc-item p {
    margin: 0;
    font-family: 'Noto Sans SC', 'Source Han Sans', '思源黑体', sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 28.96px;
    color: rgba(0, 0, 0, 1);
}

/* 图片 */
.platform-image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
}

.platform-image img {
    width: 59%;
    height: auto;
    display: block;
}

/* 数据统计区域 */
.about-stats {
    padding: 5px 0;
    /* background: #f8f9fa; */
}

.about-stats .stats-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1400px;
    margin: 40px auto;
    gap: 141px;   /* 模块之间间距 */
    padding: 30px 40px;
}

.about-stats .stat-item {
    text-align: center;
    flex: 0 0 auto;
    min-width: 200px;
    padding: 20px;
}
/* 图标大小 */
.about-stats .stat-icon-wrap {
    width: 90px;
    height: 90px;
    margin: 0 auto 15px;
}

.about-stats .stat-icon-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.about-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 15px;
    font-family: 'Arial', 'Helvetica Neue', Helvetica, sans-serif;  /* 添加Arial字体 */
}

.about-stats .stat-label {
    font-size: 16px;
    color:rgba(153, 153, 153, 1);
    font-weight: 400;
    font-family: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Helvetica Neue', sans-serif;  /* 添加微软雅黑字体 */
}

/* 三大核心技术区域 */
.core-tech {
    padding: 64px 0;
    background: linear-gradient(180deg, rgba(229, 229, 229, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
;
}

.core-tech .section-title {
    text-align: center;
    font-size: 40px;
    color: rgba(0, 0, 0, 1);
    margin-bottom: -22px;
    font-weight: 700;
}

.tech-grid {
    display: flex;
    justify-content: center;
    gap: 139px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
}

.tech-item {
    flex: 0 0 auto;
    max-width: 380px;
    min-width: 300px;
    text-align: center;
    padding: 50px 12px;
    border-radius: 16px;
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
}

.tech-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tech-item h3 {
    font-size: 20px;
    color: rgba(0, 0, 0, 1);
    margin-bottom: 15px;
    font-weight: 500;

}

.tech-item p {
    font-size: 16px;
    color:rgba(51, 51, 51, 1);
    line-height: 1.7;
    font-weight: 400;
     margin-top: 46px; 
    text-align: justify;        /* 两端对齐，使文字均匀分布 */
    text-align-last: left;      /* 最后一行左对齐 */
}


/* 企业文化区域 */
.company-culture {
    padding: 0;
    background: #000;
}

.culture-bg {
    padding: 60px 0 80px;
    background: url('../public/about/8.png') center/cover no-repeat;
    position: relative;
    min-height: 392px;
}

.company-culture .container{
    position: relative;
}

.company-culture .container-div{
    position: absolute;
    left: 0;
    right: 0;
    top: 152px;
}

.culture-title {
    text-align: center;
    font-size: 40px;
    color: rgba(255, 255, 255, 1);
    margin-bottom: 40px;
    font-weight: 700;
    position: relative;
    z-index: 1;
    letter-spacing: 2px;
    margin-top: -110px;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.culture-card {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 36px;
    overflow: hidden;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    height: 450px;
}

.culture-left {
    flex: 0 0 100%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
}

/* 风景图作为底层背景 */
/* .culture-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 70%;
    height: 100%;
    background: url('../public/about/fengjing.png') center/cover no-repeat;
    z-index: 1;
    border-radius: 20px 0 0 20px;
}

/* img.png作为上层遮罩，实现弧形过渡效果 */
/* .culture-left::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../public/about/img.png') center/cover no-repeat;
    z-index: 2;
}  */


/* .culture-left img {
    display: none;
} */


.cul-fj{
    width: 100%;
    margin-top:-137px;
    margin-left: -100px;
}

.cul-about{
    position: absolute;
    right: 0;
    top: 0;
    height: 527px;
    right: -200px;
}

.culture-right {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    text-align: left;
    position: relative;
    z-index: 3;
    margin-left: auto;
    padding-top: 66px;
}

.culture-carousel-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    width: 100%;
}

/* 轮播图标区域 */
.carousel-icons {
    position: relative;
    width: 60px;
    height: 60px;
    margin-bottom: 16px;
    margin-top: 10px;
}

.carousel-icon-item {
    position: absolute;
    top: 5px;
    left:11px;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.carousel-icon-item.active {
    opacity: 1;
}

.carousel-icon-item img {
    width: 31px;
    height: 31px;
    object-fit: contain;
}

/* 进度条组件 */
.culture-progress-wrapper {
    position: absolute;
    top: 15px;
    left: -3px;
    width: 60px;
    height: 60px;
    pointer-events: none;
}

.culture-progress-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.culture-progress-ring circle {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
}

.culture-progress-ring .progress-bg {
    stroke: rgba(255, 255, 255, 0.2);
}

.culture-progress-ring .progress-fill {
    stroke: rgba(138, 200, 137, 1);
    stroke-dasharray: 226.2;
    stroke-dashoffset: 226.2;
    transform-origin: center;
}

.culture-progress-ring.active .progress-fill {
    animation: cultureProgressAnimation 4s linear forwards;
}

@keyframes cultureProgressAnimation {
    0% {
        stroke-dashoffset: 226.2;
    }
    50% {
        stroke-dashoffset: 0;
    }
    50.01% {
        stroke-dashoffset: 226.2;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

/* 轮播文字内容 */
.carousel-content {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.carousel-text-wrapper {
    position: relative;
    width: 100%;
}

.carousel-text-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.carousel-text-item.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.culture-subtitle {
    font-size: 28px;
    color:rgba(138, 200, 137, 1);
    margin-bottom: 16px;
    font-weight: 500;
    letter-spacing: 1px;
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
    margin-top: 19px;
}

.culture-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    max-width: 280px;
    text-align: left;
    letter-spacing: 0.5px;
    margin-left: 0;      /* 左边距为0 */
    margin-right: auto;  /* 右边距自动，相当于左对齐 */
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
    font-weight: 400;
    margin-top: 26px;
}

.culture-indicators {
    position: absolute;
    right: 31px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.indicator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator-dot.active {
    border-color: rgba(138, 200, 137, 1);
}

/* 关于我们区域 */
.about-us {
    padding: 81px 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(229, 229, 229, 0.2) 100%);
    padding-top: 325px;
}

.about-us .section-title {
    text-align: center;
    font-size: 40px;
    color:rgba(51, 51, 51, 1);
    margin-bottom: 22px;
    font-weight: 700;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 20px;
    line-height: 1.7;
    color:rgba(102, 102, 102, 1);
    margin-bottom: -6px;
    font-weight: 370;
    text-align: justify;        /* 两端对齐，使文字均匀分布 */
    text-align-last: left;      /* 最后一行左对齐 */
    font-family: "Noto Sans SC", "Source Han Sans", "思源黑体", "Microsoft YaHei", sans-serif;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* 我们的荣誉区域 */
.honors {
    padding: 62px 0 100px;
    background: rgba(255, 255, 255, 1);
}

.honors .section-title {
    text-align: center;
    font-size: 40px;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 30px;
    font-weight: 700;
}

.honors-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.honor-item {
    flex: 0 0 calc(25% - 30px);
    min-width: 220px;
    text-align: center;
    padding: 30px 20px;
}

.honor-image {
    width: 100%;
    height: 150px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.honor-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.honor-year {
    font-size: 24px;
    font-weight: 700;
    color:rgba(255, 0, 0, 1);
    margin-bottom: 10px;
}

.honor-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .platform-content {
        padding: 0 40px;
    }
    
    .tech-grid {
        padding: 0 40px;
    }
    
    .culture-content {
        padding: 0 40px;
    }
}

@media screen and (max-width: 992px) {
    .platform-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .platform-left,
    .platform-right {
        flex: 1;
        width: 100%;
    }
    
    .platform-text h3 {
        font-size: 24px;
    }
    
    .tech-grid {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .tech-item {
        flex: 0 0 calc(50% - 15px);
        max-width: none;
    }
    
    .culture-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .culture-left,
    .culture-right {
        flex: 1;
        width: 100%;
    }
    
    .culture-right h2 {
        font-size: 30px;
    }
    
    .honor-item {
        flex: 0 0 calc(50% - 20px);
    }
}

@media screen and (max-width: 1200px) {
    .about-banner .banner-image {
        height: 580px;
    }
}

@media screen and (max-width: 992px) {
    .about-banner .banner-image {
        height: 480px;
    }
    
    .platform-content {
        gap: 50px;
    }
    
    .platform-left {
        flex: 0 0 40%;
    }
    
    .platform-right {
        flex: 0 0 60%;
    }
    
    .control-btn-wrapper {
        width: 64px;
        height: 64px;
    }
    
    .progress-ring-svg {
        width: 72px;
        height: 72px;
    }
    
    .platform-text h3 {
        font-size: 20px;
    }
}

@media screen and (max-width: 768px) {
    .about-banner {
        margin-top: 60px;
    }
    
    .about-banner .banner-image {
        height: 360px;
    }
    
    .ai-platform {
        padding: 40px 0;
    }
    
    .breadcrumb {
        padding: 0 20px;
        margin-bottom: 30px;
        margin-left: 0;
    }
    
    .platform-content {
        flex-direction: column;
        padding: 0 20px;
        gap: 30px;
    }
    
    .platform-left,
    .platform-right {
        flex: 1;
        width: 100%;
    }
    
    .platform-left {
        flex-direction: row;
        align-items: flex-start;
        gap: 30px;
    }
    
    .control-section {
        flex-direction: row;
        align-items: center;
        gap: 15px;
        margin-left: 0;
    }
    
    .indicators {
        flex-direction: row;
        margin-left: 0;
    }
    
    .platform-text h3 {
        font-size: 18px;
        flex: 1;
    }
    
    .platform-right {
        padding-top: 0;
    }
    
    .about-stats .stats-grid {
        flex-wrap: wrap;
        gap: 50px 40px;
        padding: 30px 20px;
    }

    .about-stats .stat-item {
        flex: 0 0 calc(50% - 20px);
        min-width: auto;
        padding: 15px;
    }
    
    .about-stats .stat-number {
        font-size: 1.8rem;
    }
    
    .core-tech {
        padding: 60px 0;
    }
    
    .core-tech .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .tech-grid {
        flex-direction: column;
        gap: 40px;
        padding: 0 20px;
    }
    
    .tech-item {
        max-width: 100%;
        min-width: auto;
        padding: 40px 30px;
    }
    
    .culture-bg {
        padding: 40px 0 60px;
    }
    
    .culture-title {
        font-size: 24px;
        margin-bottom: 25px;
    }
    
    .culture-card {
        flex-direction: column;
        margin: 0 15px;
        border-radius: 12px;
        height: auto;
        min-height: 500px;
    }
    
    .culture-left {
        flex: 0 0 auto;
        height: 250px;
        position: relative;
    }
    
    /* 风景图作为底层背景 - 移动端 */
    .culture-left::before {
        width: 100%;
        height: 100%;
        border-radius: 12px 12px 0 0;
    }
    
    /* img.png遮罩在移动端隐藏 */
    .culture-left::after {
        display: none;
    }
    
    .culture-right {
        flex: 0 0 auto;
        padding: 30px 20px;
        width: 100%;
        margin-left: 0;
        background: #3a3a3a;
        border-radius: 0 0 12px 12px;
    }
    
    .culture-icon-wrapper {
        width: 50px;
        height: 50px;
    }
    
    .progress-ring {
        width: 50px;
        height: 50px;
    }
    
    .culture-icon-inner {
        width: 36px;
        height: 36px;
    }
    
    .culture-icon-inner svg {
        width: 16px;
        height: 16px;
    }
    
    .culture-subtitle {
        font-size: 16px;
        margin-bottom: 15px;
    }
    
    .culture-desc {
        font-size: 12px;
        line-height: 1.8;
        max-width: 100%;
    }
    
    .culture-indicators {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        flex-direction: row;
        margin-top: 20px;
        gap: 6px;
    }
    
    .about-us {
        padding: 60px 0;
    }
    
    .about-us .section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .about-content {
        padding: 0 20px;
    }
    
    .about-content p {
        font-size: 15px;
    }
    
    .honors {
        padding: 60px 0;
    }
    
    .honors .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .honors-grid {
        padding: 0 20px;
        gap: 20px;
    }
    
    .honor-item {
        flex: 0 0 calc(50% - 10px);
        min-width: 140px;
        padding: 20px 15px;
    }
    
    .honor-year {
        font-size: 20px;
    }
}

@media screen and (max-width: 480px) {
    .about-banner .banner-image {
        height: 260px;
    }
    
    .about-stats .stats-grid {
        gap: 40px 20px;
        padding: 20px 15px;
    }

    .about-stats .stat-item {
        flex: 0 0 100%;
        padding: 20px 10px;
    }
    
    .honor-item {
        flex: 0 0 100%;
    }
    
    .platform-text h3 {
        font-size: 18px;
    }
    
    .tech-grid {
        gap: 30px;
        padding: 0 15px;
    }
    
    .tech-item {
        padding: 30px 20px;
    }
    
    .tech-item h3 {
        font-size: 18px;
    }
}

/* 页脚区域 - 渐变背景 (仅关于沃逸页面) */
.about-footer {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(229, 229, 229, 0.2) 100%);
}

.about-footer .footer-main {
    background: transparent;
}