p{
    margin-block-start:0;
    margin-block-end:0
}
.place{
    height: 44px;
}
.product-banner{
    width: 100%;
    height: 359px;
    position: relative;
    background-image: url(../images/product-banner.png?t=1685593069050);
    background-size: cover;
    background-position: center center;
    /* background-size: 100% 100%; */
    background-color: #000;
    /* background-attachment: fixed;
    background-repeat: no-repeat; */
}
.banner-text{
    text-align: center;
    color: #fff;
    vertical-align: middle;
   padding-top: 95px;
}
.banner-text .banner-text-chinese{
    font-size: 36px;
    font-weight: 500;
    padding-bottom: 16px;
   
}
.banner-text .banner-text-english{
    font-size: 16px;
    font-weight: 400;
}
.product-nav-row{
    height: 88px;
    background: rgba(0,0,0,0.50); 
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}
.product-nav-item{
    width: 200px;
    height: 88px;
    color: #fff;
    text-align: center;
    cursor: pointer;
    /* display: inline-block; */
}
.product-nav-item  a{
    display: block;
    width: 100%;
    height: 100%;
}
.product-nav-item  a:link{
    text-decoration: none;
    color: #fff;
}
.product-nav-item .p1{
   font-size: 20px;
   font-weight: 500;
   padding-bottom: 6px;
   padding-top: 24px;
   color: #fff;
}
.product-nav-item .p2{
    font-size: 14px;
    font-weight: 400;
    color: #fff;
}
.product-nav-item.active{
    background: #4444ed;
}
.product-content{
    min-height: 648px;
    box-sizing: border-box;
}
.product-content-row{
    padding: 80px 0;
    width: 1200px;
    margin: 0 auto;
}
.product-content-bg{
    background: #f8f8f8;
}
.product-nav-row.fixed-nav-row{
    position: fixed;
    top: 44px;
    left: 0;
    z-index: 100;
    background-color: #000;
}
.product-title{
    margin-left: -6px;
}
.product-title span{
  font-size: 36px;
  font-weight: 600;
  color: #4e5059;
  padding-left: 12px;
}
.product-title img{
    width: 54px;
    height: 54px;
}
.img-product{
    width: 650px;
    height: 488px;
}
.title-sub{
    font-size: 20px;
    color: #4e5059;
    line-height: 28px;
    font-weight: 500px;
    margin: 40px 0 20px;
}
.title-sub::before{
    content:'';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: #4444ed;
    margin-right: 12px;
}
.product-conyent-row{
    border-left: 2px solid #e3e3e3;
    padding: 12px;
    position: relative;
}
.product-conyent-row::before{
    content:'';
    display: block;
    position: absolute;
    width: 6px;
    height: 6px;
    background: #4444ed;
    border-radius: 50%;
    left: -4px;
    top: 17px;
}
.product-conyent-row .p1{
    font-size: 16px;
    /* font-weight: 600px; */
    color: #4e5059;
}
.product-conyent-row .p2{
    font-size: 14px;
    font-weight: 400px;
    padding-top: 10px;
    color: #787b88;
    line-height: 28px;
    text-align: justify;
}