.letuan-faq {
    display: block;
    clear: both;
    width: 100%;
    max-width: none;
    margin: 2.5rem 0 1rem;
    color: #263238;
    font: inherit;
}

.letuan-faq,
.letuan-faq * {
    box-sizing: border-box;
}

.letuan-faq__title {
    margin: 0 0 1rem;
    font-size: clamp(1.35rem, 2vw, 1.75rem);
    line-height: 1.3;
}

.letuan-faq__list {
    overflow: hidden;
    border: 1px solid #dfe3e8;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 10px 28px rgba(24, 39, 75, 0.06);
}

.letuan-faq__item {
    display: block;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid #e8ebef;
    background: #fff;
}

.letuan-faq__item:last-child {
    border-bottom: 0;
}

.letuan-faq__question {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    line-height: 1.5;
    background: #f8fafb;
    color: #263238;
    font-family: inherit;
    font-size: 1rem;
    text-transform: none;
}

.letuan-faq__question::-webkit-details-marker {
    display: none;
}

.letuan-faq__question:hover,
.letuan-faq__item[open] .letuan-faq__question {
    background: #f0f6f4;
}

.letuan-faq__icon {
    width: 10px;
    height: 10px;
    flex: 0 0 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 180ms ease;
}

.letuan-faq__item[open] .letuan-faq__icon {
    transform: rotate(225deg) translate(-2px, -2px);
}

.letuan-faq__answer {
    display: block;
    padding: 1rem 1.15rem 1.2rem;
    background: #fff;
    line-height: 1.75;
    color: #374151;
}

.letuan-faq__answer > div > :first-child {
    margin-top: 0;
}

.letuan-faq__answer > div > :last-child {
    margin-bottom: 0;
}