.swiper {
  width: 100%;
  max-width: 1920px;
  margin:0 auto;
  height: 520px !important;
}
.swiper-slide{
  position: relative;
}
.swiper-slide img{
  width: 100%;
  height: 100%;
  object-fit:cover;
}      
.widthbox {
    position: absolute; 
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100%;
    display: flex !important;
    justify-content: center; 
    align-items: center; 
    z-index: 10;
}
.banner_Box{
  position: relative;
  top:20%;
  display: flex;
  flex-direction: column;
  text-align: right;
  color: #fff; 
  z-index: 10;
  height: 65%;
}
.banner-content{
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:100%;

    display:flex;
    align-items:center;
    justify-content:space-between;
}
.banner-video{
    width:45%;
    max-width:650px;
}

.banner-video video{
    width:100%;
    border-radius:8px;
    display:block;
}
.banner-video{
    position: relative;
}

.video-audio-btn{
    position: absolute;
    right: 15px;
    top: 15px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 20px;
    cursor: pointer;

    display: flex;
    align-items: center;
    justify-content: center;

    transition: all .3s;
}

.video-audio-btn:hover{
    background: rgba(0,0,0,0.8);
}

.banner_txt1{
  font-weight: bold;
  font-size: var(--fontsize3);
  display: flex;
  align-items: center;
  color: #00D1B2;
}
.banner_txt2{
  font-size:var(--fontsize3);
  color: #ffffff;
  text-shadow:
    1.5px 0 #ffffff,
    -1.5px 0 #ffffff,
    0 1.5px #ffffff,
    0 -1.5px #ffffff;
}  
.banner_txt3{
  align-items: center;gap: 5px;margin-top: 10px;
  font-size:var(--fontsize5);
  font-weight: bold;
} 
h1.banner_txt3{
  margin-bottom: 0;
  line-height: inherit;
}
h1.banner_txt3>span{
  display: block;
}
h1.banner_txt3>span+span{
  margin-top: 10px;
}
.zhihuijiaoyu_txt4{
  font-weight: bold;
  font-size: var(--fontsize2);
  text-align: right;
  margin-top: 10px;
  line-height: 51px;
}
.zhihuijiaoyu_txt3{
    margin-top: 20px;
    margin-left: auto;
  margin-top: 20px; 
  font-size: var(--fontsize2); 
  text-align: center;
  background: #ffffff;
  color: #00D1B2;
  border-radius: 44px;
  width: max-content;
  width: 178px;
  height: 44px;
  line-height:44px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
}
.sanjiao {
  border: 25px solid transparent;
  border-right-color: #00D1B2; 
} 
.sanjiao_con{
  width: 160px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  background: #00D1B2; 
  font-size: var(--fontsize6);
}
.con4_labelbox{
  display: flex;align-items: center;gap: 14px; 
}
.con4_label{
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);padding: 12px 0;
  width: 140px;
  color: rgba(255, 255, 255, 0.7)
}
.con4_label_active{
  color: #fff;
}
.con4_iconbg{
  width: 40px;
  height: 40px;line-height: 40px; 
  border-radius: 50%;text-align: center;color: rgba(255, 255, 255, 0.7);
}
.con4_iconbg_active{
  color: #666666;
  background: #fff;
}
.con_gg1{
  padding-top: 80px; 
}
.con_gg2{
  padding: 80px 0; 
} 
.iconbg1{
  background: #E7F8F2;
}
.iconbg2{
  background: #E7F8F2;
}
.iconbg3{
  background: #E1F4FA;
}
.iconbg4{
  background: #FFF3E7;
}
.iconbox {
    width: 48px;
    height: 48px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}
.kongxin{
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 5px solid  #999999;
  flex-shrink: 0;
}
.kongxin_active{
  border-color: var(--color1); 
}
.con3_liangdian{
  margin-top: 80px;width: 100%;display: flex; 
  justify-content: center;gap: 50px;
}
.con3_liangdian_ele{
  display: flex;align-items: center;gap: 30px;
  font-size: var(--fontsize6);
}
.con3_liangdian_ele_active{  
  color: var(--color1);
}
.con3_liangdian_img{
  width: 65%;position: absolute;left:50%;top: 50%;transform: translate(-50%,-50%);
}
.con3_liangdian_left{
  position: relative;left: 65%;
}
.con3_liangdian_right{
  position: relative;left: -65%;
}
.liangdian_dec{
  position: absolute;left:50%; transform: translateX(-50%);width: 50%;bottom: 13%;text-align: center;color: var(--color2); 
}
.duihaobox{
  width: 16px;
  height: 16px;
  background: var(--color1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center; 
}
.con1{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 80px;
  row-gap: 30px;
} 
.con2_1{
  width: 190px; 
  ;
  box-shadow: 0px 1px 7px 0px rgba(0,0,0,0.12);
  border-radius: 8px;
  padding: 30px  40px;
  box-sizing: border-box;
}

/* --- 布局容器 --- */
.productitem1,
.productitem2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 120px;
    gap: 50px;
}

/* --- 文字在右 --- */
.productitem1-left {
    flex: 0 0 52%;
}
.productitem1-left .main-img {
    width: 100%;
    display: block;
   
    border-radius: 8px;
}
.productitem1-right {
    flex: 0 0 48%;
    padding-left: 0;
}
.productitem1-left .ai-window {
    width: 100%;
    position: relative;
    justify-content: flex-start;
}
.productitem1-left .ai-bg {
    width: 100%;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0);
    border-radius: 8px;
}

.convert-container {
    width: 100%;
    height: 400px; /*做出背景框*/
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: #ffffff;
    border-radius: 12px;
}
.convert-container img {
    max-width: 100%;
    height: auto;
    display: block;
    flex-shrink: 1; /* 允许在空间不足时缩小 */
}

/* --- 文字在左 --- */
.productitem2-left {
    flex: 0 0 48%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.productitem2-right {
    flex: 0 0 52%;
}
.productitem2-right .ai-window {
    width: 100%;
    position: relative;
}
.productitem2-right .ai-bg {
    width: 100%;
    display: block;
    border-radius: 8px;
}

.subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}
.feature-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 15px 30px;
    margin-bottom: 40px;
    margin-left: 0px;
    padding: 0;
}
.feature-list li {
    font-size: 15px;
    color: #00d1b2;
    display: flex;
    align-items: center;
}
.feature-list li img {
    width: 18px;
    margin-right: 8px;
}
.title-line {
    display: flex;
    align-items: baseline;
    gap: 5px;
}
.btn-change {
    display: inline-block;
    padding: 12px 50px;
    border: 2px solid #00d1b2;
    color: #00d1b2;
    border-radius: 30px;
    text-decoration: none !important;
    font-size: 16px;
    transition: all 0.3s;
    background: #fff;
}
.btn-change:hover {
    background: #00d1b2;
    color: #fff;
}


/*---底部---*/
.cta_section {
  background-color: var(--color1);
  padding: 80px 0; 
  max-width: 1920px;
  margin:0 auto;
}

.cta_content {
    text-align: center;
    color: #ffffff; 
}

.cta_btn_box {
    display: flex;
    justify-content: center;
    
}

.cta_btn {
    background-color: #ffffff; 
    color: var(--color1);  
    font-size: var(--fontsize1);
    font-weight: bold;
    padding: 12px 40px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* =========================
   三个图片
========================= */
.page-switch {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.switch-tabs {
    width: 100%;
    height: 52px;

    display: flex;
    align-items: stretch;

    border-bottom: 1px solid #eeeeee;
}

.switch-tab {
    position: relative;

    width: 200px;
    height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 30px;
    color: #666666;

    cursor: pointer;

    transition: all 0.25s ease;
}

.switch-tab:hover {
    color: #00c8b0;
}

.switch-tab.active {
    color: #00c8b0;
}

.switch-tab.active::after {
    content: "";

    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;

    height: 2px;

    background: #00c8b0;
}
.switch-images {
    width: 100%;
    position: relative;

    margin-top: 20px;
}
/* 三张图片 */
.switch-image {
    width: 100%;
    height: auto;

    display: none;

    object-fit: contain;
    vertical-align: middle;
}

.switch-image.active {
    display: block;
}

/* =========================================================
   整个架构图容器
========================================================= */

.architecture-container {
    position: relative;

    width: 100%;
    max-width: 1556px;

    margin: 0 auto;

    /* 非常重要：
       高度按照背景图比例自动计算 */
    aspect-ratio: 1556 / 1025;

    overflow: hidden;
}


/* =========================================================
   背景图片
========================================================= */

.architecture-bg {
    position: absolute;

    left: 0;
    top: 0;

    width: 100%;
    height: 100%;

    object-fit: contain;

    z-index: 1;
}


/* =========================================================
   所有文字层
========================================================= */

.architecture-box,
.layer-title {
    position: absolute;

    z-index: 2;

    box-sizing: border-box;
}


/* =========================================================
   第一层：三个角色
========================================================= */

.role-box {

    /* 这里的尺寸是按照原图 1556×1025 的比例 */
    width: 22.6%;
    height: 27.8%;

    text-align: center;
}


/* 标题 */

.role-title {

    height: 14%;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: clamp(14px, 1.15vw, 22px);
    font-weight: 600;

    color: #ffffff;
}


/* 内容 */

.role-content {

    text-align: left;

    padding-left: 8%;
    padding-top: 3%;
}


.role-content p {

    margin: 0;

    height: 16.5%;

    display: flex;
    align-items: center;

    font-size: clamp(11px, 0.95vw, 18px);

    color: #333333;

    white-space: nowrap;
}


/* 三个角色位置 */

.role-creator {
    left: 10%;
    top: 1%;
}
.role-collaborator {
    left: 39%;
    top: 1%;
}
.role-learner {
    left: 67%;
    top: 1%;
}
/* =========================================================
   角色视图层
========================================================= */
.role-layer-title {

    left: 46.2%;
    top: 36.2%;

    width: 8%;

    text-align: center;

    font-size: clamp(13px, 1vw, 19px);

    color: #333333;
}
/* =========================================================
   第二层：业务中台
========================================================= */
.platform-box {

    width: 13.3%;
    height: 13.7%;

    text-align: center;
}
/* 标题 */
.platform-title {

    height: 38%;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: clamp(13px, 1vw, 19px);

    font-weight: 600;

    color: #222222;
}
/* 内容 */
.platform-content {

    padding-top: 2%;
}
.platform-content p {
    margin: 0;
    height: 43%;
    display: flex;
    align-items: center;
    justify-content: center;

    font-size: clamp(10px, 0.8vw, 16px);

    color: #333333;

    white-space: nowrap;
}

/* 五个模块 */

.platform-1 {
    left: 10%;
    top: 44.6%;
}

.platform-2 {
    left: 26%;
    top: 44.6%;
}

.platform-3 {
    left: 43.2%;
    top: 44.6%;
}

.platform-4 {
    left: 60%;
    top: 44.6%;
}

.platform-5 {
    left: 77%;
    top: 44.6%;
}


/* 业务中台 */

.business-layer-title {

    left: 47.0%;
    top: 65%;

    width: 6%;

    text-align: center;

    font-size: clamp(13px, 1vw, 19px);

    color: #333333;
}
/* =========================================================
   第三层：AI基础设施
========================================================= */
.ai-box {

    width: 13.3%;
    height: 13.7%;

    text-align: center;
}
/* AI标题 */
.ai-title {

    height: 38%;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: clamp(13px, 1vw, 19px);

    font-weight: 600;

    color: #222222;
}
/* AI内容 */
.ai-content {

    padding-top: 2%;
}
.ai-content p {
    margin: 0;
    height: 43%;
    display: flex;
    align-items: center;
    justify-content: center;

    font-size: clamp(10px, 0.8vw, 16px);

    color: #333333;

    white-space: nowrap;
}
/* 五个 AI 模块 */
.ai-1 {
    left: 10%;
    top: 75%;
}

.ai-2 {
    left: 27%;
    top: 75%;
}

.ai-3 {
    left: 43.2%;
    top: 75%;
}

.ai-4 {
    left: 60%;
    top: 75%;
}

.ai-5 {
    left: 77%;
    top: 75%;
}


/* AI基础设施层 */

.ai-layer-title {

    left: 40%;
    top: 95%;

    width: 20%;

    text-align: center;

    font-size: clamp(13px, 1vw, 19px);

    color: #333333;
}



@media (max-width: 768px) {
    .swiper {
        width: 100%;
        height: 100% !important;
    }
    /* 左边轮播按钮 */
    .swiper-button-prev {
        width: 40px !important;
        height: 40px !important;
        left: 10px !important;
        border-radius: 50%;
    }
    .swiper-button-prev::after {
        font-size: 15px !important;
    }
    /* 右边轮播按钮 */
    .swiper-button-next {
        width: 40px !important;
        height: 40px !important;
        right: 10px !important;
        border-radius: 50%;
    }
    .swiper-button-next::after {
        font-size: 15px !important;
    }
    /* 轮播下方图例 */
    .swiper-pagination {
        bottom: 10px !important;
    }

    .banner_Box {
        width: auto;
        max-width: none;
        margin: 0;
        padding: 0 20px;
        box-sizing: border-box;
    }

    .banner_Box2 {
        width: 80%;
        height: 35%;
        top: 20%;
        left: 50%;
        transform: translateX(-50%);
        justify-content: space-evenly;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .banner_Box3 {
        width: 80%;
        height: 35%;
        top: 20%;
        left: 50%;
        transform: translateX(-50%);
        justify-content: space-evenly;
    }

    .banner_txt4 {
        font-size: 24px !important;
    }

    .banner_txt5 {
        font-size: 16px !important;
        line-height: 1.4;
        margin-top: 10px;
    }

    .banner_txt6 {
        font-size: 12px !important;
        margin-top: 10px;
        white-space: nowrap;
    }
    .con2_1 {
        width: 100%;
    }
    .con2_2 {
        width: 100%;
    }
    .con4_1 {
        width: 100%;
    }
    .banner_txt2 {
        margin-top: 15px;
    }
    .zhihuijiaoyu_txt3 {
        margin-top: 15px;
        width: 100px;
        height: 25px;
        line-height: 25px;
    }
    .zhihuijiaoyu_txt4 {
        line-height: 25px;
        margin-top: 15px;
    }
    .sanjiao {
        border: 12px solid transparent;
        border-right-color: #00d1b2;
    }
    .sanjiao_con {
        width: 80px;
        height: 25px;
        line-height: 25px;
        text-align: center;
        background: #00d1b2;
        font-size: var(--fontsize6);
    }
}
@media (max-width: 768px) {
    .productitem1,
    .productitem2,
    .productitem3 {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }
    .productitem1-left,
    .productitem1-right,
    .productitem2-left,
    .productitem2-right,
    .productitem3con{
        flex: 0 0 100%;
        width: 90%;
        align-items: center;
        text-align: center;
    }
    /* 移动端强制把文字放到图片下面 */
    .productitem2 {
        flex-direction: column-reverse;
    }

    .feature-list {
        justify-content: center;
    }
}
@media screen and (max-width: 768px) {

    .switch-tabs {
        height: 44px;
    }

    .switch-tab {
        width: auto;
        flex: 1;

        height: 44px;

        font-size: 14px;
    }

    .switch-images {
        margin-top: 12px;
    }

}

@media screen and (max-width: 768px) {

    /*
       手机端仍然保持整个架构图的比例，
       所以不会发生背景图和文字错位。
    */

    .architecture-container {
        width: 100%;
        aspect-ratio: 1556 / 1025;
    }


    /* 角色标题 */
    .role-title {
        font-size: clamp(8px, 2.2vw, 14px);
    }


    .role-content {
        padding-left: 7%;
    }


    .role-content p {
        font-size: clamp(6px, 1.65vw, 11px);
    }


    /* 中间模块 */
    .platform-title,
    .ai-title {
        font-size: clamp(7px, 1.8vw, 12px);
    }


    .platform-content p,
    .ai-content p {
        font-size: clamp(5px, 1.35vw, 9px);
    }


    /* 层级标题 */
    .role-layer-title,
    .business-layer-title,
    .ai-layer-title {
        font-size: clamp(7px, 1.7vw, 11px);
    }

}