.index_promote .promote_item .item_img b{position: absolute;
  width: 100%;
  float: left;
  text-align: center;
  bottom: 20%;
  z-index: 99999;
  color: #fff;
  font-size: 20px;
  font-weight: normal;display:none;}.index_promote .promote_item a:hover b{display:block;}
  
.block .product-right .product-list .product-item .product-info h2 {
    margin-bottom: 30px;
}

.block .product-right .product-list .product-item .product-info h2 {
    display: block;
    font-size: 16px;
    font-weight: 700;
    margin-top: 10px;
}
.block .product-right .show-detail .product-item .product-info h2 {
    margin-bottom: 20px;
    text-align: center;
    margin-top: 20px;
    line-height: 24px;
    height: 48px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-right>h1 {
    font-size: 24px;
    line-height: 150%;
    margin-top: 30px;
}
.block .classes>h1 {
    text-align: center;
    line-height: 30px;
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
}
@media screen and (max-width: 1440px) {
    .nav_wrap .head_nav>li>a {
        padding: 0 10px;
    }
    .head_layer .layout:after {
        content: none;
    }
    .web_head .nav_wrap {
        padding: 0;
        text-align: center;
    }
}
@media screen and (max-width: 1440px) and (min-width:1080px) {
    .web_head .logo img {
        max-width: 150px;
    }
}
@media only screen and (max-width: 1280px) {
     .web_head .head_right {
        position: static;
    }   
    .nav_wrap .head_nav {
        padding-top: 0;
    }
    .nav_wrap .head_nav>li>a {
        font-size: 14px;
    }
}

@media screen and (max-width: 1080px) {
    .nav_wrap .head_nav>li>a {
        padding: 0 5px; 
    }
}
@media screen and (max-width: 1080px) and (min-width:950px) {
    .web_head .logo img {
        max-width: 100px;
    }
}
@media screen and (max-width: 950px) {
     .web_head .head_right {
        display:none;
    }   
    .mobile-head-item .middle-show-content-wrap {
        top: 45px;
    }
    .web_head .logo {
        margin-top: 20px;
    }
    .mobile-head-item .title {
        height: 45px;
        line-height: 45px;
        font-size: 20px;
    }
    .mobile-head-item {
        float: left;
        width: 33.333333333%;
        height: 45px;
    }
    .mobile-head-items {
        height: 45px;
        line-height: 45px;
    }
    .mobile-head-items {
        background: #000;
        height: 45px;
        line-height: 45px;
    }
}