.about_banner{
    position: relative;
}
.about_banner:after{
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(to right, rgba(0,0,0,1) -5%,rgba(0,0,0,0));
    z-index: 2;
}
.about_banner .content{
    z-index: 9;
}
.about_banner .head{
    display: flex;
    flex-direction: column;
    color: white;
    justify-content: center;
    height: 76.8rem;
}
.about_banner .subtitle{
    font-size: 1.5rem;
    letter-spacing: 0.1rem;
    color: rgba(255, 255, 255, 0.8);
}
.about_banner .content .head h1{
    font-size: 6.4rem;
    line-height: 6.7rem;
    margin-top: 2.5rem;
    color: white;
    font-weight: 600;
    max-width: 70.8rem;
    margin-bottom: 2.8rem;
}

.about_banner .content .head h1 span{
    position: relative;
    display: inline-block;
}
.about_banner .content .head h1 span:after{
    content: "";
    width: 100%;
    height: 0.7rem;
    position: absolute;
    left: 0;
    bottom: 0.3rem;
    background-color: var(--primary);
    z-index: -1;
}
.about_banner .content .head p{
    font-size: 1.8rem;
    line-height: 2.8rem;
    color: rgba(255, 255, 255, 0.84);
    max-width: 59rem;
    font-weight: 300;
}
.about_banner .head .btns{
    gap: 3.7rem;
}
.about_banner .head .btn{
    width: max-content;
    margin-top: 4.7rem;
}

.about_material{
    padding: 11rem 0 11.5rem;
}
.about_material .head{
    margin-bottom: 5.5rem;
}
.about_material .head p{
    max-width: 131rem;
}
.about_material .head h2{
    max-width: 65.5rem;
    margin-bottom: 3rem;
}
.about_material .main ul{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 2.7rem;
}
.about_material .main ul li .img{
    aspect-ratio: 462/396;
    border-radius: 0.7rem;
    margin-bottom: 1.8rem;
}
.about_material .main ul li:hover .img img{
    transform: scale(1.1);
}
.about_material .main ul li strong{
    text-align: center;
    display: block;
    color: var(--title);
    font-size: 2.6rem;
    font-weight: 600;
}
.about_system{
    padding: 12.4rem 0 17.6rem;
    background-color: #F6FAFD;
}
.about_system .head{
    margin-bottom: 5rem;
}
.about_system .left{
    width: 67.36%;
}
.about_system .swiper_imgs{
    margin-bottom: 2.7rem;
    position: relative;
}
.about_system .swiper_imgs .swiper-pagination{
    position: absolute;
    left: 0;
    bottom: 3.5rem;
}
.about_system .swiper_imgs .swiper-pagination .swiper-pagination-bullet-active{
    background-color: white;
} 
.about_system .swiper_imgs .swiper-slide{
    aspect-ratio: 969/431;
    border-radius: 1.6rem;
    overflow: hidden;
}

.about_system .swiper_imgs .swiper-slide img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s;
}
.about_system .swiper_imgs .swiper-slide:hover img{
    transform: scale(1.05);
}
.swiper_system_main{
    overflow: hidden;
}
.about_system .left strong{
    font-size: 3.4rem;
    font-weight: 500;
    display: block;
    margin-bottom: 2.2rem;
}
.about_system .left p{
    font-size: 1.8rem;
    line-height: 2.8rem;
    color: rgba(10, 10, 10, 0.85);
}
.about_system .right{
    width: 25.34%;
    padding-top: 1.2rem;
}
.about_system .right li{
    display: flex;
    align-items: center;
    position: relative;
    padding: 2.8rem 4.7rem;
    padding-left: 12rem;
    background-color: white;
    border-radius: 20rem 25px 25px 20rem;
    box-shadow: 5px 10px 15px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.3s;
}
.about_system .right li.active{
    background-color: #1C202B;
}
.about_system .right li.active p{
    color: white;
}
.about_system .right li .img{
    position: absolute;
    aspect-ratio: 1;
    border-radius: 50%;
    width: 9.6rem;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FFFFFF;
    border: 2px solid #8a8a8a;
    transition: all 0.3s;
}
.about_system .right li.active .img{
    width: 10.6rem;
    border-color: var(--primary);
    background-color: var(--primary);
} 
.about_system .right li .img img{
    width: 50%;
    height: 50%;
    object-fit: contain;
}
.about_system .right li + li{
    margin-top: 5.4rem;
}
.about_system .right li p{
    font-size: 2rem;
    color: #0e191d;
    font-weight: 500;
    transition: all 0.3s;
}
.about_manufacturing{
    padding: 11.5rem 0 12rem;
    background-color: #000000;
    overflow: hidden;
}
.about_manufacturing>img{
    opacity: 0.1;
}
.about_manufacturing .head{
    color: white;
    margin-bottom: 7.2rem;
}
.about_manufacturing .head h2{
    color: white;
    max-width: 55rem;
    margin-top: 2rem;
    margin-bottom: 4rem;
}
.about_manufacturing .head p{
    max-width: 72rem;
    color: #ffffff;
    font-weight: 300;
    opacity: 0.8;
}
.about_manufacturing .head .subtitle{
    color: #ffffff;
}
.about_manufacturing .swiper_about_manufacturing{
    max-width: 86.8rem;
    margin-left: auto;
    margin-right: auto;
}
.about_manufacturing .swiper_about_manufacturing .img{
    aspect-ratio: 866/494;
    border-radius: 1.6rem;
    margin-bottom: 2.5rem;
}
.about_manufacturing .swiper_about_manufacturing .img:hover img{
    transform: scale(1.05);
}
.about_manufacturing .swiper_about_manufacturing strong{
    color: white;
    font-size: 2.6rem;
    font-weight: 500;
    display: block;
    margin-bottom: 0.8rem;
}
.about_manufacturing .swiper_about_manufacturing p{
    color: white;
    font-size: 1.8rem;
    
}

.about_teamwork{
    padding: 11rem 0 11.7rem;
}
.about_teamwork .head h2{
    max-width: 67.2rem;
    margin-bottom: 3rem;
}
.about_teamwork .head p{
    max-width: 129.5rem;
}
.about_teamwork .head{
    margin-bottom: 4.5rem;
}
.about_teamwork .left{
    width: 34.72%;
    border: 1px solid #e8e5f0;
    overflow: hidden;
}
.about_teamwork .left .swiper_btns{
    justify-content: center;
}
.about_teamwork .right{
    width: 63.05%;
}
.about_teamwork .left .swiper-slide{
    padding: 7.7rem 6.6rem 7rem;
    text-align: center;
}
.about_teamwork .left .swiper-slide span{
    font-size: 1.6rem;
    font-weight: 500;
    color: rgba(66, 66, 66, 0.32);
}
.about_teamwork .left .swiper-slide strong{
    font-size: 3.2rem;
    line-height: 4.2rem;
    font-weight: 500;
    color: #252525;
    display: block;
    text-align: center;
    margin-top: 2rem;
    max-width: 25rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2.3rem;
}
.about_teamwork .left .swiper-slide p{
    font-size: 1.8rem;
    line-height: 2.8rem;
}
.about_teamwork .right .swiper_teamwork_imgs{
    overflow: hidden;
}
.about_teamwork .right .swiper_teamwork_imgs:hover img{
    transform: scale(1.05);
}
.about_teamwork .right .img{
    aspect-ratio: 906/540;
    border-radius: 0.8rem;
}

.about_seeing {
  padding: 11rem 0 4.3rem;
  background-color: #F6FAFD;
}
.about_seeing .head {
  max-width: 130.5rem;
}
.about_seeing .head h2 {
  max-width: 48rem;
}
.about_seeing .head p {
  margin-top: 3rem;
}
.about_seeing .systems_category_case_swiper {
  overflow: hidden;
  margin-top: 5.6rem;
}
.about_seeing .systems_category_case_swiper .img {
  border-radius: 0.8rem;
  padding-bottom: 100%;
}
.about_seeing .systems_category_case_swiper .info {
  text-align: center;
}
.about_seeing .systems_category_case_swiper .info h3 {
  font-weight: 500;
  font-size: 2.2rem;
  margin-top: 1.4rem;
  max-width: 80%;
  margin-left: auto;
  margin-right: auto;
}
.about_seeing .systems_category_case_swiper .info p {
  color: #4f4f4f;
  font-size: 1.8rem;
  line-height: 2.8rem;
  margin-top: 0.5rem;
}
.about_seeing .swiper-pagination {
  margin-top: 5.6rem;
}

@media screen and (min-width: 768px) and (max-width: 1250px) {
    .about_teamwork .left .swiper_btns{
        margin-bottom: 30px;
    }
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
    .about_system .right li{
        padding-top: 1.8rem;
        padding-bottom: 1.8rem;
    }
}

@media screen and (max-width: 768px) {
    .about_banner .head .btns{
        flex-flow: wrap;
        gap: 0;
    }
    .about_banner .head{
        height: auto;
        padding: 80px 0 50px;
    }
    .about_banner .content .head h1{
        font-size: 25px;
        line-height: 1.3;
        margin-top: 15px;
        margin-bottom: 15px;
    }
    .about_banner .content .head h1 span:after{
        height: 3px;
    }
    .about_banner .content .head p{
        font-size: 14px;
        line-height: 1.5;
    }
    .about_banner .head .btn{
        margin-top: 25px;
    }
    .about_material{
        padding: 50px 0;
    }
    .about_material .head{
        margin-bottom: 30px;
    }
    .about_material .head h2{
        margin-bottom: 15px;
    }
    .about_material .main ul{
        display: flex;
        overflow: auto;
        gap: 20px;
    }
    .about_material .main ul li{
        min-width: 200px;
    }
    .about_material .main ul li .img{
        margin-bottom: 12px;
    }
    .about_material .main ul li strong{
        font-size: 16px;
    }
    .about_system{
        padding: 50px 0;
    }
    .about_system .head{
        margin-bottom: 30px;
    }
    .about_system .flex{
        flex-flow: wrap;
    }
    .about_system .left{
        width: 100%;
    }
    .about_system .left strong{
        font-size: 22px;
        margin-bottom: 12px;
    }
    .about_system .left p{
        font-size: 14px;
        line-height: 1.5;
    }
    .about_system .right{
        width: 100%;
        padding-top: 0;
        display: flex;
        gap: 15px;
    }
    .about_system .right li{
        padding: 15px 20px;
        padding-left: 70px;
        min-width: 200px;
    }
    .about_system .right li .img{
        width: 55px;
    }
    .about_system .right li.active .img{
        width: 60px;
    }
    .about_system .right li + li{
        margin-top: 0;
    }
    .about_system .right li p{
        font-size: 14px;
    }
    .about_manufacturing{
        padding: 50px 0;
    }
    .about_manufacturing .head{
        margin-bottom: 30px;
    }
    .about_manufacturing .head h2{
        margin-top: 10px;
        margin-bottom: 15px;
    }
    .about_manufacturing .swiper_about_manufacturing .img{
        margin-bottom: 15px;
    }
    .about_manufacturing .swiper_about_manufacturing strong{
        font-size: 18px;
    }
    .about_manufacturing .swiper_about_manufacturing p{
        font-size: 14px;
        line-height: 1.5;
    }
    .about_teamwork{
        padding: 50px 0;
    }
    .about_teamwork .head h2{
        margin-bottom: 15px;
    }
    .about_teamwork .head{
        margin-bottom: 30px;
    }
    .about_teamwork .flex{
        flex-flow: wrap;
    }
    .about_teamwork .left{
        width: 100%;
        margin-bottom: 20px;
        padding-bottom: 25px;
    }
    .about_teamwork .right{
        width: 100%;
    }
    .about_teamwork .left .swiper-slide{
        padding: 30px 20px;
    }
    .about_teamwork .left .swiper-slide strong{
        font-size: 22px;
        line-height: 1.3;
    }
    .about_teamwork .left .swiper-slide p{
        font-size: 14px;
        line-height: 1.5;
    }
    .about_seeing{
        padding: 50px 0;
    }
    .about_seeing .head p{
        margin-top: 12px;
    }
    .about_seeing .systems_category_case_swiper{
        margin-top: 30px;
    }
    .about_seeing .systems_category_case_swiper .info h3{
        font-size: 14px;
        margin-top: 12px;
    }
    .about_seeing .systems_category_case_swiper .info p{
        font-size: 13px;
        line-height: 1.5;
    }
    .about_seeing .swiper-pagination{
        margin-top: 30px;
    }
    .about_system .swiper_imgs .swiper-slide{
        aspect-ratio: 1/0.7;
    }
    .about_system .left{
        order: 9;
        margin-top: 20px;
    }
    .about_system .right li + li{
        margin-top: 20px;
    }
}