.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{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: start;
  text-align: center;
  color: #fff; 
  z-index: 10;
  width: 45%;
  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(--fontsize4);
  color: #ffffff;
}  
h1.banner_txt2{
  font-weight: normal;
  line-height: inherit;
  margin: 0;
}
.banner_txt3{
  display: flex;align-items: center;gap: 5px;margin-top: 30px;
  font-size:var(--fontsize5);
} 
.zhihuijiaoyu_txt4{
  font-weight: bold;
  font-size: var(--fontsize2);
  text-align: left;
  margin-top: 30px;
  line-height: 51px;
  width: 75%; 
}
.zhihuijiaoyu_txt3{
  margin-top: 45px; 
  font-size: var(--fontsize2); 
  text-align: center;
  background: #ffffff;
  color: #00D1B2;
  border-radius: 22px;
  width: max-content;
  width: 178px;
  height: 44px;
  line-height:44px;
  font-weight: bold;
  cursor: pointer;
}
.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; 
} 
.iconbg2{
  background: #E7F8F2;
}
.iconbg3{
  background: #E1F4FA;
}
.iconbg4{
  background: #FFF3E7;
}
.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: 300px; 
  box-shadow: 0px 1px 7px 0px rgba(0,0,0,0.12);
  border-radius: 8px;
  padding: 30px  40px;
  box-sizing: border-box;
}

.con6_1{
   width:375px;
    padding:30px 40px;
    box-sizing:border-box;

    display:flex;
    align-items:center;
    justify-content:space-between;
}
 

.con1_1{
  display: flex;
  align-items: center;
  gap: 20px;
  width: 600px; 
  height: 60px;
  background: #FFFFFF; 
  border-radius: 30px;
  padding: 0 30px;
  cursor: pointer;
}
.con2_btn1{
  margin: 30px auto  0;
  width: 180px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  background: #FFFFFF;
  border-radius: 22px;
  border: 1px solid #00D1B2;
  color: #00D1B2;
  cursor: pointer;  
}  


/* --- 3步 --- */
.step-container{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:120px;
    flex-wrap:wrap;
}
.step-item{
    width:180px;

    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
}
.iconbox{
    width:48px;
    height:48px;
    border-radius:50%;

    display:flex;
    align-items:center;
    justify-content:center;
}
.iconbg1{
    background:#EDECFC;
}
.iconbox img{
    width:24px;
    height:24px;
    object-fit:contain;
}
.step-title{
    margin-top:20px;
    font-size:18px;
    font-weight:600;
    color:#222;
}
.step-desc{
    margin-top:12px;
    font-size:14px;
    line-height:24px;
    color:#666;
}
.step-arrow{
    display:flex;
    align-items:center;
    justify-content:center;
}
.step-arrow img{
    width:30px;
    height:auto;
}



/* --- 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 74%; 
}
.productitem1-left .main-img {
    width: 100%; 
    display: block;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1); 
    border-radius: 8px;
}
.productitem1-right {
    flex: 0 0 26%; 
    padding-left: 0;
}
.productitem1-left .ai-window {
    width: 100%;
    position: relative;
    justify-content: flex-start;
}
.productitem1-left .ai-bg {
    width: 100%;
    display: block;
  
}

.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;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.15);
}
.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 26%;
    display: flex;
    flex-direction: column;
    align-items: flex-start; 
}
.productitem2-right {
    flex: 0 0 60%;
}
.productitem2-right .ai-window {
    width: 100%;
    position: relative;
}
.productitem2-right .ai-bg {
    width: 100%;
    display: block;

}

.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;
    padding: 0;
}
.feature-list li {
    font-size: 15px;
    color: #00D1B2; 
    display: flex;
    align-items: center;
}
.feature-list li img {
    width: 18px;
    margin-right: 8px;
}

.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;
}

/*---数字人---*/
.avatar-float{
    position:absolute;
    width:clamp(40px, 8vw, 90px);
    height:auto;

    left:50%;
    top:83%;

    z-index:10;

    animation: avatarMove 6s infinite ease-in-out;
}
@keyframes avatarMove {

    /* 起点：左侧 */
    0%{
        left:50%;
        top:83%;
        transform:translateY(-50%);
    }

    /* 移动到中间 */
    40%{
        left:94%;
        top:83%;
        transform:translate(-50%,-50%);
    }

    /* 停留 */
    60%{
        left:94%;
        top:83%;
        transform:translate(-50%,-50%);
    }

    /* 上移 */
    100%{
        left:94%;
        top:12%;
        transform:translate(-50%,0);
    }
}


/*---评价---*/
.evaluation-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
}
.evaluation-viewport {
    overflow: hidden; 
    scroll-behavior: smooth;
    width: 100%;
}

.evaluation-list {
    display: flex;
    flex-wrap: nowrap !important; 
    gap: 30px;
    padding: 20px 0;
}

.con5_1 {
  width: 290px;
  padding: 24px;
  box-sizing: border-box;
  background: #FFFFFF;
  box-shadow: 0px 1px 3px 0px rgba(0,0,0,0.1);
  border-radius: 12px;
  border: 1px solid #E1E1E1;
  flex: 0 0 calc((100% - 90px) / 5); /* 这里的 90px 是 3 个 gap 的总和 */
  min-width: 250px; /* 移动端保底宽度 */
  box-sizing: border-box;
}

/* 滚动按钮 */
.scroll-btn {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    z-index: 10;
    user-select: none;
}
.scroll-btn:hover { background: #f5f5f5; }




/*---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);
}

@media (max-width: 768px) {
    .banner_Box{
      width: 80%;
      height: 50%;
    }
    .banner-content{
        flex-direction:column;
        justify-content:center;
        gap:20px;
    }

    .banner_Box{
        width:90%;
        text-align:center;
    }

    .banner-video{
        width:90%;
    }
    
    .banner_txt2{
        margin-top: 50px;
    }
    h1.banner_txt2{
        margin-top: 50px;
    }
    .productitem1, .productitem2 {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }
    .productitem1-left, .productitem1-right,
    .productitem2-left, .productitem2-right {
        flex: 0 0 100%;
        width: 100%;
        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; 
        flex-direction:column;
        align-items:center;}
    .typing-text { font-size: 14px; top: 13%; left: 8%; }
    .typing-text2 { font-size: 14px; }
    .typing-text3 { font-size: 14px; }
    .typing-text4 { font-size: 14px; }
    .source-file {
        flex: 0 0 10% !important;
        max-width: 50px;
    }
    .target-result {
        flex: 0 0 60% !important; 
        max-width: 400px;
    }
}

@media screen and (max-width: 768px) {
    .application-scene {
        flex-direction: column;
        padding: 15px;
    }
    /*导航栏取消竖向排列，改为横向滚动或换行 */
    .nav-sidebar {
        width: 100%;
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 10px;
        margin-bottom: 20px;
        -webkit-overflow-scrolling: touch; 
    }
    .nav-item {
        flex: 0 0 auto;  
        margin-right: 10px;
        margin-bottom: 0;   
        padding: 8px 15px;
        white-space: nowrap; 
    }

    .preview-container {
        width: 100%;     
        height: auto;
        aspect-ratio: 4 / 3; 
    }
    .image-before img, 
    .image-after img {
        width: 100vw; 
        object-fit: cover;
    }
}