:root {
    --primary-color: #8828FF ;
    --secondary-color: #6F48C9;
    --background-color: #ffffff;
    --text-color: #333;
}
/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    padding-top: 165px; /* 桌面端导航栏高度 */
}
ul{
    padding-left: 0;
    margin-bottom: 0;
}
li {
    list-style: none;
 }
/* 通用标题样式 */
.section-title {
    color: #20184E;
    font-weight: 600;
    margin-bottom: 48px;
    position: relative;
    text-align: center;
}
/* 通用图标样式 */
.contact-icon {
    width: 32px;
    height: 32px;
}
/* 通用文本样式 */
.contact-text {
    color: #20184E;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}
/* 公司介绍 */
.company-contact{
    /* 修改定位方式 */
    margin-top: -165px;
    /* 移除top属性 */
    padding: 310px 0 220px;
    background: url(../images/bg2.png) no-repeat top;
    background-size: auto;
    background-position: top;
}
/* 内容部分 */
.contact-section {
    position: relative;
    background: #fff;
    padding: 0 0 90px;
}
.contact-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    background: url(../images/bg-img2.png) no-repeat bottom;
    width: 136px;
    height: 531px;
    z-index: 0;
}
.contact-section::after {
    content: '';
    position: absolute;
    top: 0;
    background: url(../images/bg-img1.png) no-repeat top;
    width: 168px;
    height: 531px;
    z-index: 0;
    right: 0px;
    background-size: 80%;
}
.bg-title{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-items: flex-start;
    color: #fff;
}
.half-box{
    width: 50%;
}
.container-box-left{
    padding-right: 64px;
}
.section-title-text{
    margin-bottom: 16px;
    font-weight: 600;
}
.section-title-text-en{
    font-size: 72px;
    line-height: 72px;
    font-weight: 600;
}
.section-title-other{
    margin-bottom: 100px;
    margin-top: 80px;
    text-align: justify;
}
.video-part{
    width: 640px;
    aspect-ratio: 16 / 9;
    position: relative;
}
.btn-big{
    padding: 16px 64px;
    border-radius: 50px;
    margin-right: 46px;
}
.btn-big:last-child{
    margin-right: 0;
}

/* 第二部分 */
.contact-section.one-bg::after{
    content: none;
}
/* 智能硬件 创新方案 */
.case-part01{
    margin-top: 110px;
    margin-bottom: 30px;
}
.case-part01-title{
    color: #20184E;
    text-align: center;
    margin-top: 112px;
}
.case-part01-title h2{
    margin-bottom: 24px;
    font-weight: 600;
}
.trait{
    background: url(../images/card-bg.png) no-repeat center;
    background-size: 100% 150%;
    text-align: center;
    color: #20184E;
    margin: 58px 0;
    position: relative;
}
.trait-list {
    background: url(../images/bg-img7.png) no-repeat center;
    background-size: auto;
}

.trait-list ul{
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 84px;
    flex-flow: row;
    height: auto;
    margin-bottom: 44px;
}
.trait-item{
    background: #fff;
    border-radius: 20px;
    min-height: 0;
    padding: 18px;
    box-shadow: 0 0 3px 3px #8828ff05;
    width: 160px;
    height: 138px;
}
.trait-item-img{
    margin: 0px auto;
    width: 56px;
    height: 56px;
}
.trait-item-img img{
    width: 100%;
    height: 100%;
}
.trait-item h3{
    margin: 18px auto 0;
    font-weight: 600;
}
.center-img{
    width: 259px;
    aspect-ratio: 259 / 261;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.center-img img{
    width: 100%;
    height: 100%;
}
/* 系统亮点 */
.list-two{
    margin-top: 218px;
    background: url(../images/card-bg.png) no-repeat center;
    background-size: 100% 100%;
    text-align: center;
}
.list-two ul{
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: stretch;;
    gap: 100px;
    flex-flow: row;
    height: auto;
    margin-bottom: 44px;
    
}
.list-two .list-card{
    /* height: 316px; */
    flex: 1 1 0;
    min-height: 0;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 0 12px 4px rgb(136 40 255 / 6%);
    color: #20184e;
    text-align: center;
    line-height: 30px;
    position: relative;
    padding: 0 50px 34px;
    margin-bottom: 180px;
    display: flex;
    flex-direction: column;
}
.list-card-img{
    width: 371px;
    aspect-ratio: 371 / 204;
    margin: 0 auto;
    position: absolute;
    top: -40%;
    left: 0;
    right: 0;
}
.list-card-img img{
    width: 100%;
    height: 100%;
}
.list-card-title{
    color: #20184E;
    font-weight: 600;
    margin-bottom: 32px;
    padding: 11px 24px;
    text-align: center;
    line-height: 24px;
    margin-top: 100px
}
.list-two .list-card .card-content{
    flex-flow: column;
    gap: 16px;
    margin-bottom: 0;
}
.list-two .list-card .card-content li{
    margin-left: 28px;
    text-align: left;
    line-height: 22px;
    position: relative;
}
.list-two .list-card .card-content li::before{
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #400E7F;
    margin-right: 16px;
    vertical-align: middle;
    position: absolute;
    left: -28px;
    top: 6px;
}
/* 解决方案 */
.case-part01-2 .case-part01-title {
    color: #20184E;
    text-align: center;
    margin-top: -88px;
}
.Programme-list{
    position: relative;
}
.Programme-list::before{
    content: '';
    position: absolute;
    background: url(../images/bg-img8.png) no-repeat center;
    background-size: 30% 17%;
    top: -380px;
    left: 1px;
    right: 0;
    bottom: 0;
    z-index: 0;
}
.Programme-list::after{
    content: '';
    position: absolute;
    background: url(../images/bg-img9.png) no-repeat center;
    background-size: 22% 33%;
    top: 470px;
    left: -210px;
    right: 0;
    bottom: 0;
    z-index: 0;
}
.Programme-item{
    display: flex;
    flex-flow: row;
    gap: 60px;
    justify-content: space-between;
    align-items: center;
    color: #20184E;
    line-height: 60px;
    margin-bottom: 60px;
    z-index: 4;
    position: relative;
}
.Programme-center{
    flex-flow: row-reverse;
}
.Programme-item-box{
    flex: 1 1 0;
}
.box-text img,.Programme-other img{
    width: 40px;
    height: 40px;
    margin-right: 16px;
}
.top-box-img{
    width: 450px;
    aspect-ratio: 450 / 397;
}
.Programme-center .box-text li{
    margin-bottom: 8px;
}
.Programme-center .box-text li:last-child{
    margin-bottom: 0;
}
.center-box-img{
    width: 567px;
    aspect-ratio: 21 / 11;
}
.bottom-box-img{
    width: 385px;
    aspect-ratio: 55 / 57;
}
.Programme-center li{
    display: flex;
    flex-flow: row;
    gap: 0;
}
.Programme-center li img{
    margin-top: 13px;
}
.Programme-other{
    margin-top: 20px;
    color: #20184E;
    line-height: 30px;
}
.Programme-other.flex-box ul{
    align-items: flex-start;
}
.Programme-other.flex-box ul div{
    margin-bottom: 30px;
}
.Programme-other .line-height48{
    line-height: 48px;
}
.Programme-other .line-height48 img{
    margin-top: 8px;
}
.Programme-other-box{
    display: flex;
    flex-flow: row;
    gap: 24px;
    align-items: flex-start;
}
.Programme-other-box p{
    margin-bottom: 0;
}
/*第三部分 */
/* 电子班牌自定义编辑模板 */
.other-bg{
    background: url(../images/other-bg.png) no-repeat center;
    background-size: 100% 100%;
    padding: 320px 0 150px;
    background-position: top;
    margin-top: -240px;
}
.other-bg::before,.other-bg::after{
    content: none;
}
.case-part02{
    padding: 60px 0 110px;
    text-align: center;
}
.case-part02 .case-part01-title {
    color: #20184E;
    text-align: center;
    margin-top: -90px;
}
.formwork-list{
    margin-top: 80px;
}
.formwork-list ul{
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 100px;
}
.formwork-left{
    flex: 1 1 0%;
    text-align: left;
}
.formwork-left h3{
    font-weight: 600;
    margin-bottom: 44px;
    color: #20184E;
}
.formwork-left p{
    color: var(--text-secondary);
    line-height: 30px;
    text-align: justify;
    margin-bottom: 0;
}
.formwork-left img{
    width: 32px;
    height: auto;
    margin-right: 12px;
}
.formwork-right{
    flex: 2 1 0%;
    width: 100%;
    aspect-ratio: 807 / 497;
}
.formwork-right img{
    width: 100%;
    height: 100%;
}

/* 第四部分 */
.no-have::before,.no-have::after{
    content: none;
    
}
.case-part07 .case-part01-title {
    margin-top: 0;
}
.case-part07 .flex-box ul {
    gap: 40px;
    align-items: flex-start;
}
.flex-box{
    margin-top: 80px;
}
.flex-box ul{
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 74px;
    flex-flow: row;
    height: auto;
    margin-bottom: 36px;
}
.flex-box ul li{
    width: 100%;
    height: 100%;
    flex: 1 1 0%;
    min-height: 0;
}
.dynamic {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 0 12px 4px rgb(136 40 255 / 6%);
    color: #20184e;
}
.dynamic-title{
    padding: 12px 24px;
    color: #fff;
    background: linear-gradient(to top right, #BAE3F5, #FEC0C8, #E18EB7, #762AD6);
    border-radius: 20px 20px 0 0;
    text-align: left;
}
.dynamic-title p{
    margin-bottom: 0;
}
.dynamic-title span{
    padding: 0 8px;
}
.dynamic-content{
    padding: 24px;
    line-height: 24px;
}
.case-part07 .flex-box ul .dynamic-content ul{
    flex-flow: column;
    gap: 16px;
    margin-bottom: 0;
}
.dynamic-content label{
    color: var(--text-light);
}
.dynamic-content p{
    display: inline-block;
    margin-bottom: 0;
    margin-left: 12px;
}

/* 移动端适配 */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    /* 第一部分 */
    .contact-section::before,.contact-section::after {
        content: none;
    }
    .contact-section {
        padding: 10px 0;
    }
    .video-part {
        width: 100%;
        position: relative;
    }
    .company-contact {
        padding: 210px 0 120px;
        background-size: 200% 100%;
    }
    .section-title-text {
        margin-top: 0;
        margin-bottom: 24px;
    }
    .section-title-other {
        margin-bottom: 32px;
        margin-top: 40px;
    }
    .btn-big {
        padding: 8px 32px;
    }
    .container-box-right{
        margin-top: 6px;
    }
    /* 第二部分 */
    /* 满足统一管理集中检测控管需求 */
    .one-bg {
        padding: 40px 0 0;
        margin-bottom: -200px;
    }
    .case-part01 {
        margin-top: 20px;
        margin-bottom: 85px;
    }
    .trait-list {
        background-size: 90% 83%;
    }
    .trait-list ul {
        gap: 64px;
    }
    .trait-item {
        width: 130px;
    }
    /* 系统亮点 */
    .list-two {
        margin-top: 140px;
    }
    .list-two .list-card{
        padding: 0 32px 38px;
        margin-bottom: 100px;
    }
    .list-card-img {
        width: 70%;
        aspect-ratio: 371 / 204;
        margin: 0 auto;
        position: absolute;
        top: -23%;
        left: 0;
        right: 0;
    }
    .list-card-title {
        margin-top: 120px;
    }
    .list-card p {
        min-height: 220px;
    }
    /* 解决方案 */
    .case-part01-2{
        margin-top: 90px;
    }
    .Programme-list::before {
        background-size: 38% 18%;
        top: -389px;
        left: 1px;
    }
    .Programme-list::after {
        background-size: 32% 33%;
        top: 344px;
        left: -120px;
    }
    .Programme-other-box{
        gap: 0;
    }
    .Programme-other,.Programme-other .line-height48 {
        line-height: 40px;
    }
    .top-box-img,.center-box-img,.bottom-box-img  {
        width: 80%;
        margin: 0 10%;
    }
    /*第三部分 */
    .other-bg {
        padding: 0px 0 220px;
        margin-top: -128px;
        background-size: cover;
    }
    .case-part02{
        padding: 60px 0 30px;
    }
    .other-bg .case-part01-title {
        margin-top: 210px;
    }
    
    /* 第四部分 */
    .case-part07{
        margin-top: -10px;
    }
    .case-part07 .flex-box {
        margin-top: 40px;
    }
}

@media (max-width: 991px) {
    body {
        padding-top: 48px; /* 移动端导航栏高度 */
    }

    /* 联系部分适配 */
    .contact-section {
        padding: 40px 0;
    }
    /* 第一部分 */
    .video-part {
        width: 100%;
        position: relative;
    }
    .company-contact {
        margin-top: -48px;
        padding: 90px 0 60px;
        background-size: 200% 100%;
        margin-bottom: 80px;
    }
    .container-box-left {
        padding-right: 34px;
    }
    .section-title-text {
        margin-top: 0;
        margin-bottom: 24px;
    }
    .section-title-text-en {
        font-size: 56px;
        font-weight: 600;
        line-height: 56px;
    }
    .section-title-other {
        margin-bottom: 32px;
        margin-top: 32px;
    }
    .btn-big {
        padding: 8px 32px;
        margin-right: 16px;
    }
    .container-box-right{
        margin-top: 6px;
    }
    /* 第二部分 */
    /* 满足统一管理集中检测控管需求 */
    .one-bg {
        padding: 80px 0 70px;
        margin-bottom: 90px;
        z-index: 3;
    }
    .case-part01 {
        margin-top: 20px;
    }
    .case-part01 .case-part01-title {
        margin-top: -110px;
    }
    .case-part01-title h2 {
        margin-bottom: 16px;
    }
    .trait-list ul {
        gap: 34px;
    }
    .trait-item {
        width: 110px;
    }
    
    /* 系统亮点 */
    .list-two {
        margin-top: 110px;
    }
    .list-two ul {
        gap: 44px;
    }
    .list-card-title {
        padding: 11px 16px;
        height: 80px;
        margin-bottom: -18px;
        margin-top: 80px;
    }
    .list-two .list-card {
        padding: 0 24px 32px;
        margin-bottom: 60px;
    }
    .list-card-img {
        width: 60%;
        top: -20%;
    }
    .list-card p {
        line-height: 20px;
        margin: 16px 16px;
        min-height: 130px;
        padding: 0;
    }
    /* 解决方案 */
    .case-part01-2{
        margin-top: 60px;
    }
    .Programme-list::before {
        background-size: 39% 18%;
        top: -270px;
        left: -29px;
    }
    .Programme-list::after {
        background-size: 32% 33%;
        top: 240px;
        left: -120px;
    }
    .Programme-item {
        gap: 28px;
        line-height: 32px;
        margin-bottom: 40px;
    }
    .top-box-img,.center-box-img,.bottom-box-img  {
        width: 80%;
        margin: 0 10%;
    }
    .Programme-other {
        line-height: 32px;
        z-index: 4;
        position: relative;
    }
    .box-text img, .Programme-other img {
        width: 24px;
        height: 24px;
        margin-right: 12px;
    }
    .Programme-center li img {
        margin-top: 4px;
    }
    .Programme-other.flex-box ul {
        gap: 20px;
    }
    .Programme-other-box {
        gap: 0px;
    }
    .Programme-other.flex-box ul div {
        margin-bottom: 16px;
    }
    .Programme-other .line-height48 {
        line-height: 32px;
    }
    .Programme-other-box img,.Programme-other .line-height48 img {
        margin-top: 6px;
    }
    /*第三部分 */
    .other-bg {
        padding: 0 0 180px;
        margin-top: -130px;
        z-index: 1;
        background-size: cover;
    }
    .other-bg .case-part01-title {
        margin-top: 120px;
    }
    .case-part02{
        padding: 60px 0 0;
    }
    .formwork-list {
        margin-top: 30px;
    }
    .formwork-list ul {
        gap: 50px;
        align-items: center;
    }
    .formwork-left {
        margin-top: 0;
    }
    .formwork-left img {
        width: 24px;
    }
    .formwork-left h3 {
        margin-bottom: 16px;
    }
    .formwork-left p {
        line-height: 24px;
    }
    /* 第四部分 */
    .case-part07 {
        margin-top: -60px;
    }
    .case-part07 .flex-box {
        margin-top: 40px;
    }
    .case-part07 .flex-box ul {
        gap: 22px;
    }
    .dynamic-title {
        padding: 12px 14px;
    }
    .dynamic-content {
        padding: 12px 14px 20px;
        line-height: 24px;
    }
    .case-part07 .flex-box ul .dynamic-content ul {
        gap: 12px;
    }
    .dynamic-content p {
        margin-left: 8px;
    }
}



@media (max-width: 767px) {
    .container {
        padding: 0 30px;
    }
    /* 第一部分 */
    .half-box{
        width: 100%;
        padding-right: 0;
    }
    .video-part {
        width: 100%;
        position: relative;
    }
    .company-contact {
        margin-top: -48px;
        padding: 80px 0 20px;
        background-size: 200% 100%;
    }
    .section-title-text {
        margin-top: 0;
        margin-bottom: 24px;
    }
    .section-title-text-en{
        font-size: 42px;
        font-weight: 600;
        line-height: 42px;
    }
    .section-title-other {
        margin-bottom: 32px;
        margin-top: 0px;
    }
    .btn-big {
        padding: 8px 32px;
    }
    .container-box-right{
        margin-top: 16px;
    }
    /* 第二部分 */
    /* 满足统一管理集中检测控管需求 */
    .one-bg {
        padding: 80px 0 20px;
        margin-bottom: 90px;
    }
    .case-part01 {
        margin-top: 20px;
    }
    .case-part01-title h2 {
        margin-bottom: 16px;
    }
    .trait {
        margin: 28px 0;
    }
    .trait-list ul {
        gap: 24px;
        flex-flow: column;
        margin-bottom: 24px;
    }
    .trait-item {
        width: 100%;
        height: auto;
    }
    .trait-list {
        background: none;
    }
    .center-img {
        position: relative;
        width: 50%;
    }
    /* 系统亮点 */
    .list-two {
        margin-top: 78px;
    }
    .list-two ul {
        gap: 24px;
        flex-flow: column;
        margin-bottom: 24px;
    }
    .list-two .list-card {
        height: auto;
        padding: 0 24px 24px;
        margin-bottom: 74px;
        flex: 1 1 0%;
    }
    .list-card-img {
        width: 76%;
        top: -23%;
    }
    
    .list-card-title {
        padding: 11px 24px;
        height: auto;
        margin-top: 90px;
        margin-bottom: 8px;
    }
    .list-card p {
        line-height: 20px;
        margin: 16px 24px 32px;
        min-height: auto;
        height: auto;
    }
    /* 解决方案 */
    .case-part01-2{
        margin-top: 60px;
    }
    .Programme-list::before,.Programme-list::after{
        content: none;
    }
    .Programme-item {
        flex-flow: column;
        gap: 28px;
        line-height: 32px;
        margin-bottom: 40px;
        align-items: flex-start;
    }
    .top-box-img,.center-box-img,.bottom-box-img  {
        width: 80%;
        margin: 0 10%;
    }
    .Programme-other {
        line-height: 32px;
        z-index: 4;
        position: relative;
    }
    .box-text img, .Programme-other img {
        width: 24px;
        height: 24px;
        margin-right: 12px;
    }
    .Programme-center li img {
        margin-top: 6px;
    }
    .Programme-other.flex-box ul {
        align-items: flex-start;
        flex-flow: column;
        gap: 0;
    }
    .Programme-other-box {
        gap: 0px;
    }
    .Programme-other.flex-box ul div {
        margin-bottom: 16px;
    }
    .Programme-other .line-height48 {
        line-height: 32px;
    }
    .Programme-other-box img,.Programme-other .line-height48 img {
        margin-top: 6px;
    }
    /*第三部分 */
    .other-bg {
        padding: 0px 0 110px;
        margin-top: -190px;
        background-size: auto 105%;
    }
    .other-bg .case-part01-title {
        margin-top: 150px;
    }
    .case-part02{
        padding: 60px 0 30px;
    }
    .formwork-list {
        margin-top: 30px;
    }
    .formwork-list ul {
        gap: 36px;
        flex-flow: column;
    }
    .formwork-left {
        margin-top: 0;
    }
    .formwork-left img {
        width: 22px;
    }
    .formwork-left h3 {
        margin-bottom: 12px;
    }
    .formwork-left h3 p{
        line-height: 22px;
    }
    /* 第四部分 */
    .case-part07 {
        margin-top: -40px;
    }
    .case-part07 .flex-box ul {
        gap: 28px;
        flex-flow: column;
    }
    .flex-box {
        margin-top: 30px;
    }
    .dynamic-title {
        padding: 12px 20px;
    }
    .dynamic-content {
        padding: 12px 20px;
    }
    .case-part07 .flex-box ul .dynamic-content ul {
        gap: 8px;
    }
}
/* 轮播样式 */
.carousel {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.carousel-inner {
    border-radius: 20px;
}

.carousel-item {
    background-color: #f8f9fa;
}

.video-part, .image-part {
    width: 100%;
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
}

.video-part video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    height: auto;
    transform: translateX(-50%) translateY(-50%);
    object-fit: cover;
}

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

.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.carousel:hover .carousel-control-prev,
.carousel:hover .carousel-control-next {
    opacity: 1;
}

.carousel-control-prev {
    left: 20px;
}

.carousel-control-next {
    right: 20px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 24px;
    height: 24px;
}

.carousel-indicators {
    bottom: -10px;
}

.carousel-indicators button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 5px;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
}

.carousel-indicators button.active {
    background-color: var(--primary-color);
}
.carousel-indicators [data-bs-target] {
    width: 20px;
    height: 4px;
    border-radius: 4px;
}
/* 移动端适配 */
@media (max-width: 991px) {
    .carousel {
        margin-top: 20px;
    }

    .carousel-control-prev,
    .carousel-control-next {
        width: 40px;
        height: 40px;
    }

    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 20px;
        height: 20px;
    }

    .carousel-indicators {
        bottom: 10px;
    }

    .carousel-indicators button {
        width: 8px;
        height: 8px;
        margin: 0 4px;
    }
}

@media (max-width: 767px) {
    .carousel {
        border-radius: 10px;
    }

    .carousel-inner {
        border-radius: 10px;
    }

    .carousel-control-prev,
    .carousel-control-next {
        width: 36px;
        height: 36px;
    }

    .carousel-control-prev {
        left: 10px;
    }

    .carousel-control-next {
        right: 10px;
    }
}