/* Group B (chapters 3–4). Screen-specific layout only. */
/* 4.2 / 4.3 / 4.4: same-height slot above the shutter, so the viewfinder, signboard frame and hint card stay put while recording. */
.b-camslot { width: 100%; min-height: 80px; display: flex; flex-direction: column; justify-content: flex-end; }