.banner-con{
    background: url(../images/banner.jpg) no-repeat;
    /* min-height: 860px; */
    background-size: cover;
    padding-bottom: clamp(30px , 4.2vw, 80px);
}
.banner-con .banner .b1{
    color: var(--yellow-color);
    background: rgba(34, 25, 5, 0.5);
    border: 1px solid var(--yellow-color);
    width: fit-content;
    margin: 100px auto 20px;
    font-size: 14px;
    padding: 5px 30px;
    border-radius: 30px;
}
.banner-con .banner .b2{
    font-size: 56px;
    color: #ffffff;
    text-align: center;
    font-weight: bold;
    letter-spacing: 5px;
    margin-bottom: 0;
}
.banner-con .banner h1{
    font-size: 76px;
    color: var(--yellow-color);
    font-weight: bold;
    text-align: center;
    letter-spacing: 5px;
}
.banner-con .banner .desc{
    color: #909090;
    text-align: center;
    font-size: 14px;
    margin-top: 20px;
}
.banner-con .banner .btns-group{
    gap: var(--gap30);
    flex-wrap: wrap;
}
.banner-con .banner .btns-group a:first-child{
    font-size: 18px;
    width: 200px;
    height: 50px;
    color: #0d1016;
    background: var(--yellow-color);
    border-radius: 25px;
    flex-shrink: 0;
}
.banner-con .banner .btns-group a:last-child{
    color: var(--yellow-color);
    border: 1px solid var(--yellow-color);
    background: rgba(34, 25, 5, 0.5);
    width: 275px;
    height: 50px;
    font-size: 24px;
    font-weight: bold;
    gap: 10px;
    border-radius: 25px;
     flex-shrink: 0;
}
.banner-con .banner .btns-group a:last-child:before{
    content: "";
    background: url(../images/phone.png) no-repeat;
    width: 25px;
    height: 25px;
    background-size: contain;
    flex-shrink: 0;
    display: block;
}
.banner-con .banner ul{
    background: #161b22;
    max-width: 1200px;
    margin: clamp(30px,6.7vw,130px) auto 0;
    padding: 20px;
    border-radius: 20px;

}
.banner-con .banner ul li{
    display: flex;
    justify-content: center;
    position: relative;
}
.banner-con .banner ul li span{
    color: var(--yellow-color);
    font-size: 32px;
    font-weight: bold;
}
.banner-con .banner ul li p{
    color:#909090;
    font-size: 14px;
}
.banner-con .banner ul li:nth-child(2n+1){
    flex: 1;
}
.banner-con .banner ul li:nth-child(2n):before{
    content: "";
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom,transparent,#ffffff,transparent);
}
.products-con{
    background: #0d1117;
}
.products-con .products-list{
    gap: var(--gap30);
}
.products-con .products-list>li{
    width: calc((100% - var(--gap30)*2) / 3);
    background: #161b22;
    border:1px solid #404040;
    border-radius: 20px;
}
.products-con .products-list li a{
    padding: 30px;
    display: block;
}
.title-desc{
    text-align: center;
}
.title-desc h2{
    font-weight: bold;
    color: #ffffff;
}
.title-desc p{
    color: #a6a6a6;
}
.products-con .products-list li a .title{
    font-size: 20px;
}
.products-con .products-list li a .desc{
    color: #a6a6a6;
}
.products-con .products-list li a .tags{
    gap: 10px;
    margin: 30px 0;
    flex-wrap: wrap;
}
.products-con .products-list li a .tags li{
    background: #19212d;
    text-align: center;
    border:1px solid #263244;
    border-radius: 20px;
    color: #a7a7a7;
    padding: 5px 20px;
}
.products-con .products-list li a span{
    color: var(--yellow-color);
}
.epc-con{
    background: url(../images/epc-bg.jpg) no-repeat;
    /* min-height: 970px; */
    background-size: cover;
}
.epc-con .epc ul{
    margin-top: clamp(50px,8vw,170px);
}
.epc-con .epc ul li{
    flex: 1;
}
.epc-con .epc ul li .tag-line .tag{
    width: 90px;
    height: 90px;
    border-radius: 10px;
    position: relative;
    background: rgba(33, 37, 44, 0.8);
    overflow: hidden;
    flex-shrink: 0;
}
.epc-con .epc ul li:nth-child(1) .tag:before{
    content: "";
    background: url(../images/kefu.png) no-repeat;
    width: 32px;
    height: 44px;
    background-size: contain;
    position: absolute;
    left: -50%;
    top: 50%;
    transform: translate(-50%,-50%);
    filter: drop-shadow(90px 0 0 #fdb825); 

}
.epc-con .epc ul li:nth-child(2) .tag:before{
    content: "";
    background: url(../images/pro_det_epc_02.png) no-repeat;
    width: 32px;
    height: 44px;
    background-size: contain;
    position: absolute;
    left: -50%;
    top: 50%;
    transform: translate(-50%,-50%);
    filter: drop-shadow(90px 0 0 #fdb825); 
}
.epc-con .epc ul li:nth-child(2) .tag:before{
    content: "";
    background: url(../images/pro_det_epc_02.png) no-repeat;
    width: 29px;
    height: 44px;
    background-size: contain;
    position: absolute;
    left: -50%;
    top: 50%;
    transform: translate(-50%,-50%);
    filter: drop-shadow(90px 0 0 #fdb825); 
}
.epc-con .epc ul li:nth-child(3) .tag:before{
    content: "";
    background: url(../images/pro_det_epc_06.png) no-repeat;
    width: 41px;
    height: 33px;
    background-size: contain;
    position: absolute;
    left: -50%;
    top: 50%;
    transform: translate(-50%,-50%);
    filter: drop-shadow(90px 0 0 #fdb825); 
}
.epc-con .epc ul li .tag-line .line{
    border-bottom: 1px dashed var(--yellow-color);
    width: 100%;
}
.epc-con .epc ul li .num{
    position: relative;
    margin: 20px 0;
    height: 26px;
}
.epc-con .epc ul li:nth-child(1) .num:before{
    content: "";
    background: url(../images/01.png) no-repeat;
    width: 49px;
    height: 26px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}
.epc-con .epc ul li:nth-child(2) .num:before{
    content: "";
    background: url(../images/02.png) no-repeat;
    width: 50px;
    height: 26px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}
.epc-con .epc ul li:nth-child(3) .num:before{
    content: "";
    background: url(../images/03.png) no-repeat;
    width: 51px;
    height: 26px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}
.epc-con .epc ul li .t-d{
    max-width: 350px;
}
.epc-con .epc ul li .t-d .title{
    font-size: 20px;
    font-weight: bold;
}
.epc-con .epc ul li .t-d .desc{
    color: #a6a6a6;
}


@media (max-width:1080px){
    .banner-con .banner .b2{
         font-size: clamp(24px,5vw,56px);
    }
    .banner-con .banner h1{
         font-size: clamp(36px,7vw,76px);
    }
    .banner-con .banner ul li span{
        font-size: clamp(20px,3vw,32px);
    }
    .epc-con .epc ul{
        gap: 20px;
    }
   
    
   
}

@media (max-width:768px){
    .products-con .products-list{
        gap: 15px;
        flex-wrap: wrap;
    }
    .products-con .products-list>li{
        width: calc((100% - 15px) / 2);
    }
    .products-con .products-list li a{
        padding: 15px;
    }
   
    .epc-con .epc ul li .t-d .title{
        font-size: clamp(14px,3vw,20px);
    }
}

@media (max-width:400px){
    .banner-con .banner ul{
        flex-wrap: wrap;
    }
    .banner-con .banner ul li:nth-child(2n+1){
        flex: none;
        width: 50%;
    }
     .banner-con .banner ul li:nth-child(2n){
        display: none;
    
    }
    .products-con .products-list>li{
        width: 100%;
    }
    .epc-con .epc ul{
        flex-direction: column;
        
    }
}