h1,h2{
    text-transform: uppercase;
}
.navbar{
    background: #000000;
}

.banner-con{
    padding-top: 100px;
}
.banner-con .banner{
    background: url(../images/product-details-banner.jpg) no-repeat;
    background-size: 100% 100%;
    color: #ffffff;
    
}
.banner-con .banner img{
    margin-left: 0;
    margin-right: 0;
    max-width: 50%;
}
.banner-con .banner .left-con{
    margin-right: -70px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.banner-con .banner .left-con ul{
    margin-left: 50px;
}
.banner-con .banner .left-con li span{
    font-size: clamp(18px,1.5625vw,30px);
}
.introduction-con .introduction .desc{
    margin-top: 20px;
    line-height: 2;
}
.advantage-con{
    background: #f2f2f2;
}
.advantage-con .advantage .left-right-con .left-con{
    flex: 1;
}
.advantage-con .advantage .left-right-con .left-con ul li{
    display: flex;
    gap: 30px;
    align-items: center;
    padding: 50px 30px;
    border-bottom: 1px solid #e6e6e6;
}
.advantage-con .advantage .left-right-con .left-con ul li:hover{
    background: #1a1a1a;
    color: #ffffff;
}
.advantage-con .advantage .left-right-con .left-con ul li .number{
    font-size: 30px;
    font-weight: bold;
    padding-right: 26px;
    position: relative;

}
.advantage-con .advantage .left-right-con .left-con ul li .number:after{
    content: "";
    background: url(../images/45deg-arrow.png) no-repeat;
    width: 14px;
    height: 12px;
    position: absolute;
    right: 0;
    bottom: 15px;
}
.advantage-con .advantage .left-right-con .left-con ul li:hover .number:after{
     background: url(../images/45deg-arrow-active.png) no-repeat;
}
.advantage-con .advantage img{
    margin-left: 0;
    margin-right: 0;
    max-width: 50%;
}

.wecando-con .wecando ul{
    gap: clamp(30px , 4.2vw, 80px);
}
.wecando-con .wecando ul li{
    width: calc((100% - clamp(30px , 4.2vw, 80px)) / 3);
    text-align: center;
    padding: clamp(20px,2.5vw,50px);
    background: #f2f2f2;
    display: flex;
    align-items: center;
}
.wecando-con .wecando ul li span{
    font-size: 48px;
    color: transparent; /* 文字颜色透明 */
    -webkit-text-stroke: 2px #000; /* 设置描边宽度和颜色 */;
    margin-right: 20px;
}
.feature-con{
    position: relative;
    padding-top: 50px;
    padding-bottom: 50px;
}
.feature-con:after{
    content: "";
    background: #000000;
    position: absolute;
    right: 0;
    top: 0;
    width: calc(1400px + calc(100% - 1400px) / 2);
    height: 100%;
}
.feature-con .feature{
    align-items: center;
    gap:clamp(30px , 4.2vw, 80px);
    color: #ffffff;
    position: relative;
    z-index: 1;
}
.feature-con .feature img{
    margin-left: 0;
    margin-right: 0;
    max-width: 50%;
}
.feature-con .feature h2{
    padding: 40px 0;
    border-bottom: 1px dashed #ffffff;
    position: relative;
}
.feature-con .feature h2:after{
    content: "";
    position: absolute;
    width: 150px;
    height: 6px;
    background: #f66a34;
    left: 0;
    bottom: -4px;
}
.feature-con .feature .title-desc .desc{
    margin-top:50px;
    line-height: 2;
}
.feature-con .feature .title-desc .desc li{
    margin-bottom: 10px;
}

@media (max-width:768px){
    .banner-con .banner{
        flex-direction: column;
        gap: 30px;
    }
    .banner-con .banner img{
        max-width: 100%;
    }
    
    .banner-con .banner .left-con{
        margin-right: 0;
    }
    .banner-con .banner .left-con ul{
        margin-left: 0;
    }
    .advantage-con .left-right-con{
        flex-direction: column;
        gap: 20px;
    }
    .advantage-con .advantage img,.feature-con .feature img{
        max-width: 100%;
    }
    .advantage-con .advantage .left-right-con .left-con ul li{
        padding: 15px;
    }
    .wecando-con .wecando ul li{
        flex-wrap: wrap;
        justify-content: center;
    }
    .wecando-con .wecando ul,.feature-con .feature{
        gap: 15px;
    }
    .feature-con .feature{
        flex-direction: column;
    }
   
    
    
}