.feature-icon {
  width: 4rem;
  height: 4rem;
  border-radius: .75rem;
}

.icon-link > .bi {
  margin-top: .125rem;
  margin-left: .125rem;
  fill: currentcolor;
  transition: transform .25s ease-in-out;
}
.icon-link:hover > .bi {
  transform: translate(.25rem);
}

.icon-square {
  width: 3rem;
  height: 3rem;
  border-radius: .75rem;
}

.text-shadow-1 { text-shadow: 0 .125rem .25rem rgba(0, 0, 0, .25); }
.text-shadow-2 { text-shadow: 0 .25rem .5rem rgba(0, 0, 0, .25); }
.text-shadow-3 { text-shadow: 0 .5rem 1.5rem rgba(0, 0, 0, .25); }

.card-cover {
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.feature-icon-small {
  width: 3rem;
  height: 3rem;
}

.title-1{
    text-align: center; font-size: 54px; font-family: PingFangSC-Semibold, PingFang SC; font-weight: 600; color: #1a1a1a; line-height: 75px; letter-spacing: 2px; margin-top: 103px;
}
.title-1en{
    text-align: center; font-size: 20px; font-family: PingFangSC-Medium, PingFang SC; font-weight: 500;
    color: #1a1a1a; line-height: 28px; letter-spacing: 2px; opacity: 0.6;
    margin-bottom:40px;
}

/*chatu-features*/
 

.chatu-features{ 
}
.chatu-features .col{

   

}
.chatu-features .d-flex{
        margin-left:17px;
    margin-right:17px;
     flex-direction: column;
    text-align: center;
    align-items: center;
    justify-content: center;
          background-color: #f9fafd;
  background-image: linear-gradient(to bottom, #f2f4f9, #f9fafd);
  border-radius: 10px; 
  
    position: relative;
}
.chatu-features .col img{ 
    width:267px;height:267px;
}
.chatu-features .text_description{
    font-size: 20px;
font-family: PingFangSC-Regular, PingFang SC;
font-weight: 400;
color: #999999;
line-height: 28px;
margin-top:11px;
margin-bottom:49px;
    width:267px;
}

.chatu-features .text_title{
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;

    font-size: 28px;
    width:267px;
    color: #1A1A1A;
    line-height: 40px;
    letter-spacing: 1px;
    margin-top:60px;
    margin-bottom:26px;
    
}

.chatu-features .text_ext{
 
    opacity: 0.05;
    font-size: 120px;
    font-family: DINAlternate-Bold, DINAlternate;
    font-weight: bold;
    color: #000000;
    line-height: 120px;
    position: absolute;
    top:0px;
}