.research-hero {
    color: white;
    padding: 2rem;
    border-radius: 14px;
    margin-bottom: 2rem;
    box-shadow: 0 8px 24px rgba(2, 40, 81, 0.18);
}
.research-hero h1 {
    color: white;
    margin: 0 0 1rem;
    line-height: 1.25;
}
.research-hero p {
    color: white;
    margin: 0.35rem 0;
}
.paper-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.4rem;
}
.paper-actions .contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}
.stat-card {
    background: var(--light-bg);
    border-top: 4px solid var(--secondary-color);
    border-radius: 10px;
    padding: 1.1rem;
    text-align: center;
}
.stat-value {
    color: var(--primary-color);
    display: block;
    font-size: 1.45rem;
    font-weight: 700;
}
.stat-label {
    color: var(--accent-color);
    font-size: 0.88rem;
}
.key-message {
    background: linear-gradient(135deg, #eef4fb 0%, #fff8e6 100%);
    border-left: 5px solid var(--secondary-color);
    border-radius: 8px;
    padding: 1.25rem 1.4rem;
    margin: 1.5rem 0;
}
.pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}
.pillar-card {
    background: var(--light-bg);
    border-radius: 10px;
    padding: 1.2rem;
    border-top: 4px solid var(--primary-color);
}
.pillar-card h3 {
    color: var(--primary-color);
    font-size: 1.05rem;
    margin: 0 0 0.6rem;
}
.pillar-card p {
    margin: 0;
    font-size: 0.95rem;
    color: #334155;
}
.research-figure {
    margin: 2rem 0;
    text-align: center;
}
.research-figure img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    padding: 14px;
    background: #fff;
    box-sizing: border-box;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}
.research-figure figcaption {
    color: var(--accent-color);
    font-size: 0.92rem;
    font-style: italic;
    margin-top: 0.7rem;
}
.cite-box {
    background: var(--light-bg);
    padding: 1.5rem;
    border-left: 4px solid var(--secondary-color);
    border-radius: 5px;
}
@media (max-width: 900px) {
    .pillar-grid, .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .research-hero {
        padding: 1.35rem;
    }
}
@media (max-width: 600px) {
    .pillar-grid, .stats-grid {
        grid-template-columns: 1fr;
    }
}