.nu-box{margin:30px 0;padding:16px;border:1px solid #ddd;border-radius:8px}
.nu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.nu-card{text-decoration:none;color:inherit;display:block}
.nu-card img{width:100%;height:auto;border-radius:6px}
.nu-card strong{display:block;margin:8px 0}
.nu-card span{font-size:12px;color:#666}
@media(max-width:767px){
.nu-grid{grid-template-columns:1fr}
.nu-carousel{display:flex;overflow:hidden;position:relative}
.nu-carousel .nu-card{display:none}
.nu-carousel .nu-card.active{display:block;width:100%}
}
@media(min-width:768px){
.nu-carousel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.nu-carousel .nu-card{display:block}
}