.zone-pyramide{display:flex;justify-content:center}.scene-pyramide{position:relative;width:min(320px,100%);height:330px;perspective:1000px;touch-action:none}.scene-pyramide.tourne{cursor:grabbing}.scene-pyramide .monde-3d{position:absolute;left:50%;top:50%;width:0;height:0;transform-style:preserve-3d;transition:transform 1.5s ease-in-out}.scene-pyramide.tourne .monde-3d{transition:none}.base-3d{position:absolute;box-sizing:border-box;border:2px solid var(--green-text);background:color-mix(in srgb,var(--green-transparent) 55%,var(--back));transform-style:preserve-3d}.nom-base{position:absolute;transform:translate(-50%,-50%);font-size:13px;font-weight:700;color:var(--paragraph-color)}.charniere-3d{position:absolute;width:0;height:0;transform-origin:0 0;transform-style:preserve-3d;transition:transform 1.5s ease-in-out}.plateau .charniere-3d svg{position:absolute;max-width:none;margin:0;overflow:visible}.triangle-3d .face-triangle{fill:color-mix(in srgb,var(--blue-transparent) 60%,var(--back));stroke:currentColor;stroke-width:2;stroke-linejoin:round}.monde-3d.plie .charniere-3d:nth-of-type(2n) .face-triangle{fill:color-mix(in srgb,var(--blue-transparent) 85%,var(--back))}.triangle-3d.fausse{color:var(--red-text)}.monde-3d.plie .charniere-3d .triangle-3d.fausse .face-triangle,.triangle-3d.fausse .face-triangle{fill:color-mix(in srgb,var(--red-transparent) 75%,var(--back))}.plateau .triangle-3d .longueur-arete{font-size:12px;fill:var(--paragraph-color)}.plateau .triangle-3d .nom-sommet{font-size:13px;font-weight:700}.triangle-3d text{transition:opacity .4s}.monde-3d.plie .triangle-3d text{opacity:0}.plateau .arete{fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}.plateau .arete.cachee{stroke-width:1.5;stroke-dasharray:5 4}.plateau .liquide{stroke:none}.plateau .graduation{stroke:currentColor;stroke-width:2}.plateau .legende-graduation{font-size:12px}.plateau .niveau-reponse{stroke:currentColor;stroke-width:2.5;stroke-dasharray:7 4}.plateau .question-volume{margin:12px 0 6px;text-align:left}.plateau .saisie-volume{margin:6px 0 0}