.registration-help {
    border: 2px solid #d69420;
    border-right-width: 6px;
    border-radius: 14px;
    background: #fff7e6;
    box-shadow: 0 3px 12px rgba(151, 100, 15, .12);
    color: #49340f;
}
.registration-help summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    padding: 1rem 1.2rem;
    cursor: pointer;
    list-style: none;
    font-size: 1.1rem;
    font-weight: 700;
}
.registration-help summary::-webkit-details-marker { display: none; }
.registration-help summary::after { content: "⌄"; font-size: 1.4rem; }
.registration-help[open] summary::after { transform: rotate(180deg); }
.registration-help summary:focus-visible { outline: 3px solid #143971; outline-offset: 3px; border-radius: 10px; }
.registration-help-hint { font-size: .85rem; font-weight: 400; margin-right: auto; }
.registration-help p { margin: 0; padding: 0 1.2rem 1.2rem; line-height: 2; border-top: 1px solid #efdab5; padding-top: .75rem; }