.sciences-article h1 {
    margin-bottom: 0.75rem;
    color: var(--primary_color_deeper);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.sciences-focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1rem;
    margin: 1.25rem 0 1.75rem;
}

.sciences-focus-card {
    padding: 1rem 1.1rem;
    border: 1px solid var(--border_color);
    border-left: 4px solid var(--primary_color);
    border-radius: 0.75rem;
    background: var(--lightest_color);
    box-shadow: 0 6px 18px var(--shadow_color);
}

.sciences-focus-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary_color_deeper);
}

.sciences-focus-card p {
    margin: 0 0 0.55rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.sciences-focus-card p:last-child {
    margin-bottom: 0;
}

.sciences-focus-tool {
    margin-top: 0.65rem !important;
    padding-top: 0.55rem;
    border-top: 1px solid var(--border_color);
    font-size: 0.88rem !important;
    color: var(--text-muted);
}

.sciences-tree-legend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.sciences-tree-legend-mark {
    display: inline-block;
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 0.2rem;
    background: rgba(62, 122, 136, 0.2);
    border: 2px solid var(--primary_color);
    flex-shrink: 0;
}

.sciences-tree {
    margin-top: 0.75rem;
    padding: 1rem 1.1rem 1.1rem 1.35rem;
    border: 1px solid var(--border_color);
    border-radius: 0.75rem;
    background: var(--surface_muted);
}

.sciences-tree li span {
    font-weight: bold;
    font-size: 1.15rem;
}

.sciences-tree > li > span {
    font-size: 1.3rem;
    color: var(--primary_color_deeper);
}

.sciences-tree--focus {
    font-weight: 600;
    color: var(--primary_color_deeper);
    background: rgba(62, 122, 136, 0.12);
    border-left: 3px solid var(--primary_color);
    margin-left: -0.35rem;
    padding: 0.1rem 0.35rem 0.1rem 0.5rem;
    border-radius: 0.25rem;
    list-style-position: inside;
}