.item-details[open] .details-arrow {
    transform: rotate(90deg);
}
.item-details summary::-webkit-details-marker { display: none; }
.item-details summary::marker { display: none; }

.maintenance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 0.75rem;
}

.maintenance-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    color: #444;
    font-size: 0.9rem;
    font-weight: 600;
}

.maintenance-actions {
    justify-content: flex-end;
}

.maintenance-actions .btn {
    width: 100%;
}

.maintenance-input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #cdd7d0;
    border-radius: 6px;
    padding: 0.48rem 0.6rem;
    font-size: 0.92rem;
    font-family: inherit;
    color: #333;
    background: #fff;
}

.maintenance-input:focus {
    outline: none;
    border-color: #1f8f4b;
    box-shadow: 0 0 0 3px rgba(31, 143, 75, 0.14);
}

.maintenance-result {
    margin-top: 0.9rem;
    padding: 0.85rem 0.95rem;
    border-radius: 8px;
    border: 1px solid #d5e6da;
    background: #f7fbf9;
    color: #2e3f35;
}

.maintenance-result h3 {
    margin: 0 0 0.55rem;
    color: #1f8f4b;
    font-size: 1rem;
}

.maintenance-result ul {
    margin: 0;
    padding-left: 1.15rem;
    line-height: 1.65;
}

.item-tip-content p {
    margin: 0.45rem 0;
}

.item-tip-content h3 {
    margin: 0.85rem 0 0.45rem;
    font-size: 1rem;
    line-height: 1.35;
    color: #1f8f4b;
}

.item-tip-content hr {
    border: 0;
    border-top: 1px solid #cfe5d8;
    margin: 0.85rem 0;
}

.item-tip-content ul {
    margin: 0.55rem 0;
    padding-left: 1.1rem;
}

.item-tip-content li {
    margin-bottom: 0.35rem;
}

.item-tip-content img {
    display: block;
    margin: 0.65rem auto;
    max-width: min(100%, 520px);
    width: auto;
    height: auto;
    border-radius: 10px;
    border: 1px solid #d7e8de;
    box-shadow: 0 6px 16px rgba(26, 61, 43, 0.12);
    background: #ffffff;
}

@media (max-width: 700px) {
    .item-tip-content img {
        max-width: 100%;
    }
}