.product_preview{
    padding-top: 70px;
}
.product_preview .left{
    width: 57%;
}
.product_preview .right{
    width: 43%;
    padding-left: 38px;
}
.swiper_preview{
    overflow: hidden;
    /* border: 1px solid #ccc; */
}
.swiper_preview .swiper-slide{
    aspect-ratio: 738/556;
}
.swiper_preview .swiper-slide img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.swiper_priview_control{
    margin-top: 12px;
    overflow: hidden;
    position: relative;
}
.swiper_priview_control .swiper-slide{
    aspect-ratio: 236/160;
    /* border: 1px solid #ccc; */
    cursor: pointer;
}
.swiper_priview_control .swiper-slide img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.product_bread{
    padding: 22px 0;
    background-color: #F7F5E9;
    text-align: center;
}
.product_bread a, .product_bread{
    color: #2f634c;
}
.product_bread .breadcrumbs>span{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}
.swiper_priview_control li.swiper-slide.swiper-slide-thumb-active{
    border-color: var(--theme_color);
}
.product_preview{
    padding-bottom: 150px;
}
.product_preview .right h1{
    font-size: 1.55rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}
.product_preview .right strong{
    font-size: 22px;
    color: #292929;
    font-family: "Fira Sans", Sans-serif;
    line-height: 1.4;
    margin-bottom: 0;
    font-weight: 500;
    display: block;
    margin-bottom: 1rem;
}
.product_preview .right .feature{
    margin-bottom: 32px;
}
.product_preview .right .feature p{
    color: var(--p_color);
    line-height: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 17px;
}
.product_preview .right .feature li {
    color: var(--p_color);
    line-height: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 17px;
    padding-left: 1rem;
    position: relative;
}
.product_preview .right .feature li::before {
    content: '';
    display: block;
    width: 6px;
    aspect-ratio: 1;
    border-radius: 50%;
    background-color: #292929;
    position: absolute;
    left: 0;
    top: 9px;
}
.product_preview .right .product_intro strong{
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}
.product_preview .right .product_intro strong:after{
    content: "+";
    transition: all 0.3s;
    color: #875d3e;
    font-size: 30px;
    transform: rotate(180deg);
    right: 0;
    position: absolute;
    transition: all 0.6s ease;
    font-weight: bold;
    line-height: 1;
}
.product_preview .right .product_intro strong.active:after{
    content: "-";
    color: #875d3e;
    font-size: 30px;
    transform: rotate(180deg);
    right: 0;
    position: absolute;
    transition: all 0.6s ease;
    font-weight: bold;
    line-height: 1;
}
.product_preview .right .product_intro > div,
.product_preview .right .feature{
    color: var(--p_color);
    line-height: 1.7rem;
    margin-bottom: 0.5rem;
    font-size: 17px;
}
.product_preview .right .product_intro > div.con{
    padding-bottom: 20px;
    margin-bottom: 25px;
    border-bottom: 1px solid #e9e7db;
}
.product_preview .right .product_intro > div.con>div{
    display: none;
    margin-top: 20px;
}
.product_preview .right .product_intro > div.con strong{
    margin-bottom: 0;
}

.product_preview .right .border_btn{
    margin-top: 13px;
    padding: 15px 78px;
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
}
.product_preview .product_advantage strong{
    padding-bottom: 8px;
    font-size: 18px;
    line-height: 18px;
    font-weight: 700;
    color: #2f634c;
    display: flex;
    align-items: center;
}
.product_preview .product_advantage strong + strong{
    margin-left: 98px;
}
.product_preview .product_advantage strong:before{
    content: "";
    width: 17px;
    height: 17px;
    display: inline-block;
    margin-right: 10px;
    border-radius: 50%;
    transform: translateY(-2px);
    background: var(--theme_color);
}
.product_preview .product_advantage p{
    font-size: 17px;
    line-height: 1.5rem;
    color: var(--theme_color);
}
.product_infos{
    padding-bottom: 65px;
}
.product_infos ul.flex{
    justify-content: space-between;
}
.product_infos ul.flex li{
    text-align: center;
}
.product_infos ul.flex li p{
    margin-top: 1rem;
    font-size: 17px;
}

.product_desc{
    padding: 125px 0 46px;
}
.product_desc h2{
    font-size: 48px;
    font-family: "Fira Sans", Sans-serif;
    line-height: 1.4;
    margin-top: 0;
    font-weight: 500;
    margin-bottom: 10px;
}
.product_desc p{
    line-height: 1.7rem;
    margin-bottom: 10px;
    color: var(--p_color);
    font-size: 17px;
}

.product_spec{
    padding: 0 0 95px;
}
.product_spec h2{
    font-size: 48px;
    font-family: "Fira Sans", Sans-serif;
    line-height: 1.4;
    font-weight: 500;
    margin-bottom: 10px;
}
.product_spec table{
    border-collapse: collapse;
    width: 100%;
}
.product_spec table td{
    padding: 15px;
    border: 1px solid hsla(0,0%,50.2%,.5019607843);
    font-size: 20px;
    color: #875d3e;
    font-weight: 500;
}
.product_spec table tr td:nth-of-type(1){
    width: 39%;
}

.product_spec table tr:nth-of-type(2n+1){
    background-color: hsla(0,0%,50.2%,.0705882353);
}
.product_need{
    padding: 123px 0 90px;
}
.product_need .main ul{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 20px;
}
.product_need .main ul li img{
    width: 100%;
    height: auto;
}

.product_related{
    padding: 80px 0 86px;
}
.product_related .main{
    margin-top: 65px;
}
.related_swiper{
    overflow: hidden;
}
.related_swiper li .img{
    aspect-ratio: 414/310;
    border: 1px solid #ccc;
    margin-bottom: 20px;
}
.related_swiper li p{
    padding-left: 15px;
    padding-right: 15px;
    line-height: 1.4;
}
.related_swiper li .img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product_related .swiper_btn{
    display: flex;
    margin-left: auto;
}
.product_related .swiper_btn div{
    width: 60px;
    height: 60px;
    border-radius: 3px;
    background-color: var(--theme_color);
    cursor: pointer;
    transition: all 0.3s;
}
.product_related .swiper_btn div:after{
    content: "";
    width: 100%;
    height: 100%;
    background: url('../img/white-arrow.webp') no-repeat center/40%;
    display: inline-block;
}
.product_related .swiper_btn div.right{
    transform: rotate(180deg);
}
.product_related .swiper_btn div + div{
    margin-left: 6px;
}
.product_related .swiper_btn div.swiper-button-disabled{
    opacity: 0.7;
}
.swiper_priview_control .swiper_btns{
    position: absolute;
    left: 50%;
    width: 95%;
    display: flex;
    justify-content: space-between;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 9;
}
.swiper_priview_control .swiper_btns div{
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: inline-block;
    background: url('../img/arrow.svg') no-repeat center/contain;
}
.swiper_priview_control .swiper_btns div.prev{
    transform: rotate(180deg);
}
.swiper_priview_control .swiper_btns div.swiper-button-disabled{
    opacity: 0.5;
}