.banner{position:relative;}
.banner-title {
    position: absolute;
    left: 50%;
    top: 50%;
    text-align: center;
    transform: translate(-50%,-50%);
    color: #fff;
}
.engTitle {
    font-size: 1.25rem;
    text-transform: uppercase;
    line-height: 1.2;
    position: relative;
    z-index: 1;
}
.chTitle {
    font-weight: bold;
    font-size: 2.75rem;
}
.introduct {
    font-size: 6rem;
    font-weight: bold
}
.product-container {
    padding: 10rem 10% 15rem;
}
.product-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.product-nav a{width:calc(50% - 1rem);margin-bottom:2rem}
.product-con{margin-top: 5rem;}
.product-type-name {
    font-size: 2rem;
    margin-right: 1rem;
}
.product-type-eng{font-size:1.25rem}
.product-box{display:flex;flex-wrap:wrap}
.product-item{width:calc((100% - 10rem) / 6);margin-right:2rem;margin-top:2rem}
.product-item:nth-child(6n){margin-right:0}
.product-pic {
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width:100%;
    height: calc((80vw - 10rem) / 6);
    margin-bottom:1rem
}
.product-desc{color:#007765;font-size:12px}
.product-tit {
    color: #000;
    font-weight: bold;
    font-size: 1.35rem;
    margin: 0.25rem 0;
}
.product-info{color:#a1a1a1;font-size:12px;line-height:1.5}
.product-d {
    position: fixed;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 10;
    background: rgba(181,178,178,.8);
    backdrop-filter: blur(20px);
    display:flex;
    justify-content:center;
    align-items:center
}
.product-d-box{width:1280px;position:relative}
.product-d-info{display:flex;height:560px}
.product-d-pic{width:50%}
.product-d-pic .swiper-slide{background-repeat:no-repeat;background-position:center;background-size:cover}
.product-d-txt {
    width: 50%;
    background: #fff;
    padding:9% 5% 3%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.product-d-t {
    font-size: 2rem;
    font-weight: bold;
}
.product-d-b{display:flex;justify-content:space-between;margin-top:10rem;color:#a1a1a1}
tr{height:28px}
td:first-child{width:125px;color:#a1a1a1}
td:last-child{font-weight:bold;font-size:1.1rem}
.product-d-price{font-size:1.35rem}
.product-buy {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    filter: invert(1);
}
.product-buy .buy img{width:50px;margin-right:15px}
.stop {
    font-size: 1.5rem;
    font-weight: bold;
    border: 1px solid;
    border-radius: 20px;
    padding: 5px 22px;
    cursor: pointer;
}
.product-sub {
    position: absolute;
    color: #000;
    right: 5%;
    top: 6%;
    display:flex;
    z-index:1
}
.product-sub-nav{color: #444343;padding:0 1rem;border-right:1px solid #9d9d9d}
.product-sub-nav:last-child{border-right:0}
.product-sub-nav.active{color: #007765;font-weight:bold}


@media screen and (max-width: 1440px) {
    .product-item {
        width: calc((100% - 8rem) / 5);
    }
    .product-pic {
        height: calc((80vw - 8rem) / 5);
    }
    .product-item:nth-child(5n) {
        margin-right: 0
    }
    .product-item:nth-child(6n) {
        margin-right: 2rem
    }
    .product-d-box{
        width:960px;
    }
    .product-d-info{height:400px}
}
@media screen and (max-width: 1260px) {
    .product-item {
        width: calc((100% - 6rem) / 4);
    }
    .product-item:nth-child(4n) {
        margin-right: 0
    }
    .product-item:nth-child(5n) {
        margin-right: 2rem
    }
    .product-pic {
        height: calc((80vw - 6rem) / 4);
    }
}