.x1 h1{
    height: 7.5rem /* 120/16 */;
    font-size: 2.5rem /* 40/16 */;
    text-align: center;
    margin: 3.75rem /* 60/16 */;
    font-weight: 12.5rem /* 200/16 */;
}
.x1 h1 p{
    font-size: 1.0625rem /* 17/16 */;
    margin-top: 1.875rem /* 30/16 */;
    text-align: center;
}
.y1 h1{
    font-size: 2.5rem /* 40/16 */;
    text-align: center;
    font-weight: 500;
    margin-top: 5.625rem /* 90/16 */;
}
.y1 .a img{
    display: block;
}
.y1 .b img{
    display: none;
}
.y1 .c img{
    display: block;
}
.y1 .d img{
    display: none;
}
@media screen and (max-width: 1000px){
    .x1 h1{
        margin: 2.75rem /* 60/16 */;
        font-size: 1.5rem /* 40/16 */;
        height: fit-content;
    }
    .y1 .a img{
        display: none;
    }
    .y1 .b img{
        display: block;
        width: 100vw;
    }
    .y1 .c img{
        display: none;
    }
    .y1 .d img{
        display: block;
        width: 100vw;
    }
    .y1 h1{
        font-size: 1.5rem /* 40/16 */;
        margin-top: 3rem /* 90/16 */;
    }
}