.lb-gallery { width:100%; }
.lb-gallery .swiper { width:100%; overflow:hidden; }                /* empêche le débordement */
.lb-gallery .swiper-wrapper { align-items:stretch; }                /* uniformise la hauteur des slides */
.lb-gallery .swiper-slide { width:100%; aspect-ratio:16 / 9;        /* fige le ratio */
    overflow:hidden; border-radius: 20px; }                       /* coupe le débordement interne */
.lb-gallery .lb-media { display:block; width:100%; height:100%;
    object-fit:cover; }                         /* évite l’agrandissement brutal */

/* Nav outside en flex : très fiable */
.lb-gallery.lb-nav-outside { display:flex; align-items:center; gap:64px; }
.lb-gallery.lb-nav-outside .swiper { flex:1 1 0; min-width:0; }

.lb-gallery .lb-nav {
    border:0; padding:0; background:transparent; cursor:pointer;
    display:inline-flex; align-items:center; justify-content:center;
    width:31px; height:56px;
}

.lb-gallery .lb-nav svg { display:block; width:24px; height:auto; }

@media (max-width: 991px) {
    .lb-gallery.lb-nav-outside {
        gap: 32px;
    }
}

@media (max-width: 600px) {
    .lb-gallery .lb-nav svg {
        width: 12px;
    }
    .lb-gallery.lb-nav-outside {
        gap: 0;
    }
}