@media(max-width:1300px){
    .intro_grid{
        max-width: 515px;
        width: 100%;
    }
    .intro_grid3{
        max-width: 726px;
        width: 100%;
    }
    .about_catalog_item{
        max-width: 390px;
        width: 100%;
    }
    .about_catalog {
        gap: 30px 20px;
    }
}
@media(max-width:1250px){
    .intro_grid{
        max-width: 490px;
        width: 100%;
    }
    .intro_grid3{
        max-width: 690px;
        width: 100%;
    }
    .about_catalog_item{
        max-width: 370px;
        width: 100%;
    }
}
@media(max-width:1250px){
    .intro_grid1,
    .intro_grid2{
        padding: 65px 0 40px;
    }
    .intro_grid3{
        padding: 173px 0;
    }
    .about_catalog_item{
        max-width: 350px;
        width: 100%;
    }
    .intro_sale{
        font-size: 20px;
        top: 14px;
        left: 14px;
        padding: 9px 33px;
    }
}
@media(max-width:1125px){
    a{
        font-size: 16px;
    }
    .intro_grid1,
    .intro_grid2{
        padding: 60px 0 35px;
    }
    .intro_grid3{
        padding: 163px 0;
    }
    .about_catalog_item{
        max-width: 330px;
        width: 100%;
    }
    .about_catalog_sale{
        top: 14px;
        left: 14px;
        padding: 11px 32px;
        font-size: 18px;
    }
    .nav_list2_text{
        font-size: 16px;
    }
    .intro_text2{
        font-size: 14px;
    }
    .intro_text1{
        font-size: 14px;
    }
    .title{
        font-size: 28px;
    }
    .about_catalog_text1{
        font-size: 18px;
    }
    .about_catalog_text2{
        font-size: 18px;
    }
    .about_text{
        font-size: 28px;
    }
    .info_left,
    .info_right{
        padding: 100px 0 50px 50px;
    }
    .info_position{
        font-size: 18px;
        top: 18px;
        left: 18px;
        padding: 12px 28px;
    }
    .info_title{
        font-size: 20px;
        max-width: 400px;
        width: 100%;
    }
    .info_text{
        font-size: 16px;
        line-height: 20px;
        max-width: 370px;
        width: 100%;
        margin: 25px 0 80px;
    }
    .info_right .info_text{
        max-width: 355px;
        width: 100%;
    }
    .info_time_text{
        font-size: 14px;
    }
    .footer_box{
        gap: 100px;
    }
    .footer_boxs{
        gap: 35px;
    }
    .footer_text{
        font-size: 20px;
    }
    .footer_box .footer_boxs:last-of-type .footer_text{
        margin-bottom: 35px;
    }
    .footer_text1{
        font-size: 16px;
    }
    .footer_app{
        font-size: 16px;
        margin: 50px 0 30px;
    }
    .footer_img_box{
        gap: 20px;
    }
}
@media(max-width:1060px){
    a{
        font-size: 14px;
    }
    .intro_grid_img1{
        width: 206px;
        
    }
    .intro_grid_img{
        width: 106px;
        
    }
    .intro_grid3{
        padding: 175px 0;
    }
    .about_catalog_item{
        max-width: 290px;
    }
    .info{
        margin-bottom: 50px;
    }
}
@media(max-width:950px){
    a{
        font-size: 13px;
    }
    .nav_list1{
        gap: 15px;
    }
    .intro_grid_img1{
        width: 186px;
        
    }
    .intro_grid_img{
        width: 86px;
        
    }
    .intro_grid3{
        padding: 165px 0;
    }
    .img{
        width: 140px;
        
    }
    .about_catalog_item{
        max-width: 260px;
    }
    .about_catalog_sale{
        padding: 9px 20px;
        font-size: 16px;
    }
    .nav_list2_text{
        font-size: 14px;
    }
    .intro_text2{
        font-size: 13px;
    }
    .intro_text1{
        font-size: 13px;
    }
    .title{
        font-size: 25px;
    }
    .catalog_img{
        width: 40px;
        height: 40px;
        padding: 13px;
    }
    .about_catalog_text1{
        font-size: 16px;
    }
    .about_catalog_text2{
        font-size: 16px;
    }
    .about_text{
        font-size: 25px;
    }
    .info_left,
    .info_right{
        padding: 80px 0 40px 40px;
    }
    .info_position{
        font-size: 16px;
        top: 16px;
        left: 16px;
        padding: 10px 25px;
    }
    .info_title{
        font-size: 18px;
        max-width: 350px;
        width: 100%;
    }
    .info_text{
        font-size: 14px;
        line-height: 18px;
        max-width: 320px;
        margin: 20px 0 60px;
    }
    .info_right .info_text{
        width: 300px;
    }
    .info_time_text{
        font-size: 13px;
    }
    .footer_box{
        gap: 90px;
    }
    .footer_boxs{
        gap: 30px;
    }
    .footer_text{
        font-size: 18px;
    }
    .footer_box .footer_boxs:last-of-type .footer_text{
        margin-bottom: 30px;
    }
    .footer_text1{
        font-size: 14px;
    }
    .footer_app{
        font-size: 14px;
        margin: 40px 0 25px;
    }
    .footer_img_box{
        gap: 15px;
    }
}
@media(max-width:850px){
    .nav_list1{
        gap: 10px;
    }
    .intro_grid{
        gap: 15px;
    }
    .intro_box{
        gap: 15px;
    }
    .intro_grid3{
        padding: 158px 0;
    }
    .intro_sale{
        font-size: 16px;
        top: 13px;
        left: 13px;
        padding: 8px 20px;
    }
    .img{
        width: 100px;
        
    }
    .about_catalog_item{
        max-width: 220px;
    }
    .about_catalog_sale{
        padding: 8px 15px;
        font-size: 14px;
    }
    .nav_list2_text{
        font-size: 13px;
    }
    .intro_text2{
        font-size: 12px;
    }
    .intro_text1{
        font-size: 12px;
    }
    .title{
        font-size: 20px;
    }
    .about_catalog_text1{
        font-size: 14px;
    }
    .about_catalog_text2{
        font-size: 14px;
    }
    .about_text{
        font-size: 23px;
        margin-top: 40px;
    }
    .info_left,
    .info_right{
        padding: 70px 0 35px 35px;
    }
    .info_position{
        font-size: 14px;
        top: 14px;
        left: 14px;
        padding: 9px 23px;
    }
    .info_title{
        font-size: 16px;
        max-width: 320px;
    }
    .info_text{
        font-size: 14px;
        line-height: 16px;
        max-width: 310px;
        margin: 20px 0 60px;
    }
    .info_time_text{
        font-size: 12px;
    }
    .footer_box{
        gap: 80px;
    }
    .footer_boxs{
        gap: 25px;
    }
    .footer_text{
        font-size: 16px;
    }
    .footer_box .footer_boxs:last-of-type .footer_text{
        margin-bottom: 25px;
    }
    .footer_text1{
        font-size: 12px;
    }
    .footer_app{
        font-size: 12px;
        margin: 30px 0 15px;
    }
    .footer_img_box{
        gap: 10px;
    }
    .footer{
        padding: 80px 0 77px;
    }
    .info{
        margin-bottom: 40px;
    }
    .about_catalog_item{
        gap: 20px;
    }
}
@media(max-width:785px){
    .nav_list1{
        display: none;
    }
    .intro_grid_img1{
        width: 146px;
        
    }
    .intro_grid_img{
        width: 86px;
        
    }
    .intro_grid3{
        padding: 150px 0;
    }
}
@media(max-width:735px){
    .intro_grid_img1{
        width: 126px;
        
    }
    .intro_grid3{
        padding: 150px 0;
    }
    .intro_text_box{
        gap: 10px;
    }
    .about_catalog_item{
        max-width: 310px;
        width: 100%;
    }
    .about_catalog_sale{
        top: 14px;
        left: 14px;
        padding: 11px 32px;
        font-size: 18px;
    }
    .about_catalog_text1{
        font-size: 18px;
    }
    .about_catalog_text2{
        font-size: 18px;
    }
    .about_text{
        font-size: 28px;
    }
    .img{
        width: 140px;
        
    }
    .catalog_img{
        width: 40px;
        height: 40px;
        padding: 13px;
    }
    .about_catalog {
        overflow-y: scroll;
        height: 350px;
    }
    .about_catalog_item {
        flex: 0 0 auto;
    }
    .info_position{
        font-size: 13px;
        top: 12px;
        left: 12px;
        padding: 8px 15px;
    }
    .info_left,
    .info_right{
        width: 315px;
        height: 268px;
        padding: 0 0 0 30px;
        display: flex;
        justify-content: center;
    }
    .info_title{
        font-size: 14px;
        width: 280px;
    }
    .info_text{
        width: 200px;
        overflow-y: scroll;
        height: 50px;
        margin-bottom: 40px;
    }
    .info_right .info_text{
        width: 200px;
    }
    .footer_box{
        gap: 50px;
    }
    .footer_boxs{
        gap: 15px;
    }
    .footer_text{
        font-size: 13px;
    }
    .footer_box .footer_boxs:last-of-type .footer_text{
        margin-bottom: 15px;
    }
    .footer_img_box{
        gap: 8px;
    }
    .footer{
        padding: 50px 0 50px;
    }
}
@media(max-width:675px){
    .intro_grid_img{
        width: 66px;
        
    }
    .intro_grid2 .intro_grid_img{
        margin-left: 10px;
    }
    .intro_grid2 .intro_text_box .intro_text2{
        width: 130px;
        text-align: center;
    }
    .intro_grid3,
    .intro_grid1,
    .intro_grid2{
        padding: 50px 0 30px;
        gap: 10px;
    }
    .intro_grid_img1{
        width: 96px;
        
    }
    .intro_grid3{
        padding: 142px 0;
    }
    .intro_text_box{
        gap: 10px;
    }
    .hr{
        margin: 10px 0;
    }
    .about_catalog_item{
        width: 250px;
    }
    .about_catalog_sale{
        top: 12px;
        left: 12px;
        padding: 9px 28px;
        font-size: 16px;
    }
    .about_catalog_text1{
        font-size: 16px;
    }
    .about_catalog_text2{
        font-size: 16px;
    }
    .about_text{
        font-size: 26px;
    }
    .img{
        width: 130px;
        
    }
    .about_text{
        margin-top: 30px;
    }
    .info_position{
        display: none;
    }
    .info_left,
    .info_right{
        max-width: 270px;
        width: 100%;
        height: 220px;
    }
    .info_title{
        width: 200px;
        text-align: center;
    }
    .info{
        margin-bottom: 30px;
    }
    .footer{
        padding-top: 40px;
    }
    .about_catalog_item{
        gap: 15px;
    }
}
@media(max-width:565px){
    .intro_grid_img{
        width: 46px;
        
    }
    .intro_grid2 .intro_grid_img{
        margin-left: 5px;
    }
    .intro_grid_img1{
        width: 76px;
        
    }
    .intro_grid3 .intro_text_box .intro_text1{
        width: 120px;
        text-align: center;
    }
    .intro_grid1,
    .intro_grid2{
        padding: 40px 0 25px;
        gap: 10px;
    }
    .intro_grid3{
        padding: 110px 0;
    }
    .intro_text_box{
        gap: 8px;
    }
    .intro_sale{
        top: 8px;
        left: 8px;
        padding: 6px 16px;
        font-size: 13px;
    }
    .about_catalog_item{
        width: 220px;
    }
    .about_catalog_sale{
        top: 10px;
        left: 10px;
        padding: 8px 24px;
        font-size: 15px;
    }
    .about_catalog_text1{
        font-size: 15px;
    }
    .about_catalog_text2{
        font-size: 15px;
    }
    .about_text{
        font-size: 25px;
    }
    .img{
        width: 110px;
        
    }
    .about_text{
        margin-top: 20px;
    }
    .info_title{
        width: 170px;
    }
    .footer{
        padding-top: 35px;
    }
}    
@media(max-width:500px){
    .nav {
        display: none;
    }
    .nav_bottom {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 10px 0;
        display: flex;
        justify-content: space-around;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    }
    .nav_bottom img {
        width: 20px;
        height: 20px;
    }
    .intro{
        margin-top: 20px;
        margin-bottom: 40px;
    }
    .intro_box{
        display: none;
    }
    .intro_media{
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
    }
    .intro_grid1,
    .intro_grid2{
        width: 210px;
        padding: 40px 0 25px;
    }
    .intro_grid3{
        padding: 50px 0;
    }
    .about{
        margin-bottom: 40px;
    }
    .about_catalog_item{
        padding: 35px 0 20px;
        width: 180px;
        gap: 10px;
    }
    .about_catalog_sale{
        top: 8px;
        left: 8px;
        padding: 5px 16px;
        font-size: 13px;
    }
    .about_catalog_text1{
        font-size: 13px;
    }
    .about_catalog_text2{
        font-size: 13px;
    }
    .about_text{
        font-size: 22px;
        margin-top: 10px;
    }
    .img{
        width: 70px;
        
    }
    .catalog_item_box{
        gap: 8px;
        top: 8px;
        right: 8px;
    }
    .catalog_img{
        width: 35px;
        height: 35px;
        padding: 12px;
    }
    .info_left,
    .info_right{
        align-items: center;
        justify-content: center;
        padding: 0;
    }
    .info_box{
        flex-direction: column;
        gap: 5px;
    }
    .footer_box .footer_boxs:nth-child(2){
        display: none;
    }
    .info{
        margin-bottom: 20px;
    }
    .footer{
        padding-top: 25px;
    }
    .footer_img_box img{
        width: 30px;
        height: 30px;
    }
}
@media(max-width:460px){
    .intro_box{
        display: flex;
    }
    .intro_media{
        display: none;
    }
    .intro_grid3{
        display: flex;
        flex-direction: column;
        padding: 0;
        height: 297px;
    }
    .about_text{
        margin-top: 5px;
    }
    .info{
        margin-bottom: 10px;
    }
    .footer{
        padding-top: 20px;
    }
    .footer_img_box img{
        width: 25px;
    }
}
@media(max-width:410px){
    .intro_box{
        display: none;
    }
    .intro_media{
        display: flex;
        justify-content: center;
    }
    .intro_grid1{
        width: 310px;
    }
    .intro_grid2,
    .intro_grid3{
        display: flex;
        flex-direction: column;
        width: 150px;
        padding: 0;
        height: 200px;
    }
    .about{
        margin-bottom: 30px;
    }
   
    .footer{
        padding-top: 15px;
    }
    .about_catalog_item{
        gap: 5px;
        width: 160px;
        height: 220px;
    }
    .about_catalog_item{
        text-align: center;
    }
}
@media(max-width:370px){
    .footer .container .footer_box .footer_boxs .logo{
        display: none;
    }
    .about_catalog_item{
        gap: 5px;
        width: 140px;
        height: 210px;
    }
    .about_catalog_item{
        text-align: center;
    }
    .catalog_img{
        padding: 9px;
        width: 30px;
        height: 30px;
    }
    .img{
        width: 60px;
    }
    .footer_img_box img{
        width: 20px;
        height: 25px;
    }
}
@media(max-width:350px){
    .intro_grid1{
        width: 290px;
    }
    .intro_grid2,
    .intro_grid3{
        width: 140px;
        height: 220px;
    }
    .footer{
        padding-top: 10px;
    }
    .about_catalog_item{
        width: 130px;
        height: 200px;
    }
    .catalog_img{
        padding: 8px;
        width: 25px;
        height: 25px;
    }
    .img{
        width: 55px;
    }
}