.db_banner{
    width: 100%;
    height: 330px;
    background: url(../images/banner_dot_buy.jpg) no-repeat center center;
}
.db_main1{
    margin: 50px 0;
}
.db_main1 h1{
    line-height: 60px;
    color: #333;
    font-size: 30px;
    text-align: center;
}
.db_main1 h2{
    text-indent:32px ;
    line-height: 30px;
    color: #666;
    font-size: 16px;
}
.db_main2{
    background: #f8f8f8;
    padding: 25px 0;
    text-align: center;
}
.db_main2 h1{
    line-height: 60px;
    color: #333;
    font-size: 30px;
    margin: 25px 0 50px 0;
}
.db_main2 .db_main2_li ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.db_main2 .db_main2_li ul li{
    position: relative;
    width: 260px;
    height: 255px;
    background: #fff;
    margin-bottom: 40px;
}
.db_main2_li .sm2li_img{
    width: 100%;
    height: 150px;
}
.db_main2_li .sm2li_img img{
    margin-top: 25px;
    width: 155px;
    height: 115px;
}
.db_main2_li ul li  h2{
    font-size: 14px;
    color: #666;
    line-height: 22px;
    margin-top: 25px;
    padding: 0 25px;
}
.db_main2_li .sm2l_bot_line{
    width: 100%;
    height: 3px;
    background: #aaa;
    left: 0;
    bottom: 0;
    z-index: 99;
}
.db_main2_li .sm2l_bot_line2 {
    width: 0;
    height: 3px;
    background: #fbcc00;
    transition: all 0.5s;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 100;
}
.db_main2_li li:hover .sm2l_bot_line2{
    width: 100%;
    transition: all 0.5s;
}


/*���ǵIJ�Ʒ 0*/
.db_main4{
    background: #F8F8F8;
    padding: 60px 0;
}

.db_main4 h1{
    font-size: 30px;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
}
.db_main4_left_parent{
    display: flex;
    justify-content: space-between;
}
.db_main4_left>h2{
    width: 116px;
    height: 25px;
    line-height: 25px;
    padding-left: 20px;
    font-size: 16px;
    color: #fff;
    background: url("../images/db_bg_product01.png") no-repeat left;
    margin-bottom: 15px;
}
.db_main4_left>p{
    font-size: 16px;
    color: #333;
    line-height: 26px;
    margin-bottom: 40px;
}
.db_main4_left>a{
    display: block;
    width: 240px;
    height: 35px;
    background: url("../images/db_bg_pr0duct02.png") no-repeat;
    line-height: 35px;
    font-size: 16px;
    color: #fff;
    text-align: center;
}
/*���ǵIJ�Ʒ*/

.db_main5{
    width: 100%;
    padding: 60px 0;
}
.db_main5 h1{
    font-size: 30px;
    color: #333;
    text-align: center;
    margin-bottom: 60px;
}
.db_main5 ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.db_main5 ul li{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    width: 207px;
    height: 140px;
    border: 1px solid #e5e5e5;
    overflow: hidden;
}
.db_main5 ul li img{
    width: 100%;
    transition: all 300ms;
}
.db_main5 ul li:hover{
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
}