.worksheet {
    max-width: 1050px;
    padding-block: clamp(22px, 4vw, 48px) clamp(38px, 6vw, 72px);
}

.worksheet__breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 9px;
    margin-bottom: 20px;
}

.worksheet__hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(20px, 5vw, 54px);
    padding: clamp(18px, 4vw, 42px);
    border: 1px solid var(--border-default);
    border-radius: 18px;
    background: var(--surface-card);
}

.worksheet__intro .eddy-h1 {
    margin-bottom: 12px;
}

.worksheet__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.worksheet__actions .eddy-btn {
    min-height: 44px;
    height: auto;
    white-space: normal;
}

.worksheet__note {
    margin: 10px 0 0;
    color: var(--text-muted);
}

.worksheet__preview {
    display: grid;
    justify-items: center;
    gap: 8px;
    padding: 14px;
    margin: 0;
    border-radius: 12px;
    background: var(--surface-page);
    text-align: center;
}

.worksheet__preview img {
    display: block;
    width: min(100%, 260px);
    height: auto;
    border: 1px solid var(--border-default);
    background: white;
}

.worksheet__section {
    margin-top: clamp(28px, 5vw, 48px);
}

.worksheet__signs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(124px, 1fr));
    gap: 8px;
    padding: 0;
    margin: 14px 0 0;
    list-style: none;
}

.worksheet__signs li {
    display: grid;
    align-content: start;
    gap: 3px;
    padding: 12px;
}

.worksheet__signs strong {
    font-family: var(--font-hanzi, "Noto Sans SC", sans-serif);
    font-size: 30px;
    line-height: 1.2;
}

.worksheet__practice {
    max-width: 65ch;
}

@media (max-width: 660px) {
    .worksheet__hero {
        grid-template-columns: minmax(0, 1fr);
    }

    .worksheet__preview img {
        max-width: 200px;
    }
}

.worksheet__jump {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.worksheet__jump + .worksheet__section {
    margin-top: 18px;
}

.worksheet__section[id] {
    scroll-margin-top: 90px;
}