.bds-bc { margin: 18px 0 6px; font-size: 14px; }
.bds-bc > summary { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 4px; color: var(--c-muted, #666); cursor: pointer; }
.bds-bc > summary:hover { color: var(--c-primary, #ca252b); }
.bds-bc > summary:focus-visible { outline: 3px solid var(--c-primary, #ca252b); outline-offset: 2px; }
.bds-bc__form { display: grid; gap: 8px; max-width: 460px; padding: 14px; border: 1px solid var(--c-border, #e3e3e3); border-radius: 10px; background: #fff; }
.bds-bc__form select, .bds-bc__form textarea { width: 100%; min-height: 44px; padding: 8px 10px; border: 1px solid var(--c-border, #ccc); border-radius: 8px; font: inherit; }
.bds-bc__bay { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.bds-bc__tin { margin: 0; font-weight: 600; }
.bds-bc__tin.is-loi { color: #a81d22; }
.bds-bc__tin[hidden] { display: none; }