@charset "utf-8";
@font-face {
    font-family: 'HelveticaNeue';
    src: url(./font/Inter-Regular-9.otf);
}
@font-face {
    font-family: 'Inter';
    src: url(./font/Inter-VariableFont_opsz\,wght.ttf);
}
@font-face {
    font-family: 'poppins';
    src: url(./font/Poppins-Regular.ttf);
}
* {
  margin: 0;
  padding: 0;
}   
html,
body {
      font-family: Inter ,poppins,HelveticaNeue,Pingfang , Arial, sans-serif;
  color: #000;
  height: 100%;
}

.content-introduce{
    padding: 1.3rem 0 0.4rem;
}
.content-introduce h1{
    height: 0.89rem;
    font-weight: bold;
    font-size: 0.76rem;
    color: #000000;
    line-height: 0.89rem;
    text-align: center;
    font-style: normal;
    text-transform: none;
}
.content-introduce h4{
    padding: 0 4rem;
    height: 0.6rem;

    font-weight: 500;
    font-size: 0.24rem;
    color: #191918;
    line-height: 0.3rem;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.content-about h2{
    height: 0.72rem;
    font-weight: bold;
    font-size: 0.61rem;
    color: #000000;
    line-height: 0.71rem;
text-align: center;
font-style: normal;
text-transform: none;
}
.abouttech-title{
    margin-top: 1.2rem;
}
.abouttech-title p{
    padding: 0 4rem;
margin-top: 15px;
    height: 0.6rem;
    font-weight: 500;
    font-size: 0.24rem;
    color: #191918;
    line-height: 0.3rem;
text-align: center;
font-style: normal;
text-transform: none;
}
.abouttech-introcard {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 0.8rem 3.2rem;

    margin: 0 auto;
}

.card-item {
    align-items: center;
    border-radius: 24px 24px 24px 24px;
border: 2px solid #ECECEC;
    width: 5.6rem;
    padding: 0.4rem;
    background: #FFFFFF;
/* cursor: pointer; */
    text-align: left;
   
    display: flex;
    gap: 0.3rem;
}
/* .card-item:hover{
 background: #F6F6F6;
} */
.card-icon {
    width: 1.07rem;
    height: 1.07rem;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
}

.card-item:nth-child(1) .card-icon {
    background: #FFF5E6;
}

.card-item:nth-child(2) .card-icon {
    background: #FFF9E6;
}

.card-item:nth-child(3) .card-icon {
    background: #F0F5FF;
}

.card-item:nth-child(4) .card-icon {
    background: #F6FFF0;
}

.card-icon img {
    width: 0.5rem;
    height: 0.5rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: contain;
}

.card-content {
    flex: 1;
}

.card-item h3 {
    font-size: clamp(14px, 7px + 0.87vw, 24px);
    font-weight: 600;
    color: #333;
    
}

.card-item p {
    font-size: clamp(14px, 12.5px + 0.22vw, 16px);
    line-height: 0.24rem;
    color: #666;
}

.train-title{
   
    height: 0.72rem;
    font-weight: bold;
    font-size: 0.51rem;
    color: #000000;
    line-height: 0.71rem;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.content-train {
    padding: 1.2rem 0 0;
    background: #F5F5F6;
}

.train-title {
    text-align: center;
    margin-bottom: 0.8rem;
}

.train-title h2 {
    font-size: 0.51rem;
    font-weight: bold;
    color: #000000;
    line-height: 0.71rem;
}

.train-items {
    display: flex
    ;
        justify-content: space-between;
        flex-wrap: wrap;
      
        width: 1100;
        justify-content: flex-start;
        margin-left: 5.46rem;
}

.train-item {
    margin-bottom: 1.57rem;
    justify-content: normal;
    display: flex
;
    width: 3.73rem;
    text-align: justify;
    flex-direction: column;
}
.train-item img {
    width: 0.6rem;
    height: 0.6rem;
    object-fit: contain;
}

.train-item h4 {
    line-height: 40px;
    font-size: clamp(24px,11px + 1.3vw, 36px);
    font-weight: bold;
    color: #000000;
        margin-top: 0.1rem;
}

.train-item p {
    font-size: clamp(14px, 9px + 0.43vw, 18px);
    color: #666666;
    line-height: 0.27rem;
}
.content-feature h2{
    margin: 0.8rem 0;
    height: 0.72rem;
font-weight: bold;
font-size: 0.51rem;
color: #000000;
    line-height: 0.71rem;
text-align: center;
font-style: normal;
text-transform: none;
}
.content-feature p{
    width: 3.52rem;
height: 0.58rem;
font-weight: 500;
font-size: clamp(18px, 10.5px + 0.65vw, 24px);
color: #191B22;
margin: 0.14rem;
line-height: 0.28rem;
text-align: left;
font-style: normal;
text-transform: none;
}
.content-feature  img{
    width: 3.52rem;
    height: 2.4rem;
}
.feature-items{
    display: flex;
    justify-content: center;

    gap: 0.8rem;
    padding: 0 3.2rem 2.5rem;
    margin: 0 auto
}
.feature-item{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
@media screen and (max-width: 1440px) {
    .card-item p{
        line-height: 0.32rem;
    }
    .abouttech-introcard{
        padding: 0.8rem 2.8rem;
    }
    .card-item{
        width: 6.2rem;
    }
}