.sec1{
  padding: 10.4% 0 2.6%;
}
.sec1 .inner{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: row;
}
.sec1 .left-part{
  position: sticky;
  top: 12vh;
  width: 17.3%;
}
.sec1 .left-part a{
  color: #333;
  margin-bottom: 1.125em;
  background-color: #f5f5f5;
  border-radius: 0.3125em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: row;
  padding: 0 1.875em;
  height: 3.625em;
  transition: color 0.3s,background-color 0.3s;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.sec1 .left-part a:last-child{
  margin-bottom: 0;
}
.sec1 .left-part a.active{
  color: #fff;
  background-color: var(--theme-red);
}
.sec1 .left-part a span{
  font-size: 1.125em;
}
.sec1 .left-part .fa-chevron-right::before{
  content: "\f054";
}
.sec1 .right-part{
  width: 76.282%;
}
.sec1 .right-part .pro-box{
  margin-bottom: 5.88%;
}
.sec1 .right-part h3{
  font-size: 2em;
  color: #333;
  margin-bottom: 4.8%;
}
.sec1 .right-part ul{
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  flex-direction: row;
  flex-wrap: wrap;
}
.sec1 .right-part ul::after{
  content: "";
  width: 31.1%;
}
.sec1 .right-part li{
  box-shadow: 0px 0.3125em 1.25em rgba(11, 11, 11, 0.08);
  width: 31.1%;
  margin-bottom: 5.88%;
}
.sec1 .right-part a{
  color: #333;
}
.sec1 .right-part h5{
  font-size: 1.25em;
  font-weight: 600;
  margin-bottom: 1em;
  max-height: 1em;
}
.sec1 .right-part .p{
  font-size: 0.9375em;
  line-height: 1.8;
  max-height: 3.6em;
  margin-bottom: 1.6em;
  color: #333;
}
.sec1 .right-part .more{
  font-size: 0.9375em;
}
.sec1 .right-part .more::after{
  font-family: "Font Awesome 5 Pro";
  content: "\f176";
  display: inline-block;
  vertical-align: baseline;
  transform: rotate(90deg);
  margin-left: 0.8em;
}
.sec1 .right-part .text-box{
  padding: 2.875em 2.5em 2.5em;
}
.sec1 .right-part .img-box{
  overflow: hidden; 
}
.sec1 .right-part .img-box img{
  transition: transform 0.5s;
}


@media only screen and (min-width:1024px){
  .sec1 .left-part a:hover{
    color: #fff;
    background-color: var(--theme-red);
  }
  .sec1 .right-part a:hover{
    color: var(--theme-red);
    transition: color 0.5s;
  }
  .sec1 .right-part a:hover .img-box img{
    transform: scale(1.1); 
  }

}

@media only screen and (max-width:1024px){
  .sec1{
    padding: 15% 0 2.6%;
    font-size: 0.75em;
  }
  .sec1 .inner{
    display: block;
  }
  .sec1 .left-part{
    position: static;
    width: 100%;
    margin-bottom: 10%;
  }
  .sec1 .left-part .scroll-box{
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    margin: 0 -4%;
    padding: 0 4%;
  }
  .sec1 .left-part a{
    flex-shrink: 0;
    margin-bottom: 0;
    margin-right: 1em;
    display: block;
    padding: 1em 1.5em;
    height: auto;
  }
  .sec1 .left-part a:last-child{
    margin-right: 0;
  }
  .sec1 .left-part .fas{
    display: none;
  }
  .sec1 .right-part{
    width: 100%;
  }
  .sec1 .right-part .pro-box{
    margin-bottom: 10%;
  }
  .sec1 .right-part h3{
    font-size: 1.5em;
    margin-bottom: 8%;
  }
  .sec1 .right-part ul::after{
    width: 48%;
  }
  .sec1 .right-part li{
    width: 48%;
    margin-bottom: 8%;
  }
  .sec1 .right-part .text-box{
    padding: 2.5em 1.25em;
  }
}