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span.num{color:var(--accent);font-weight:700}.research-header{text-align:center;max-width:820px;margin:0 auto var(--gap-xl)}.research-header h1{font-size:var(--fs-h1);letter-spacing:-.02em;margin-bottom:var(--gap-sm);background:linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 70%, var(--accent-warm) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:700}.research-header p{color:var(--text-secondary);font-size:var(--fs-body);line-height:1.6}.research-tabs{margin-bottom:var(--gap-lg);background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-pill);max-width:580px;box-shadow:var(--shadow-sm);justify-content:center;gap:.5rem;margin-left:auto;margin-right:auto;padding:.4rem;display:flex}.research-tab-btn{border-radius:var(--radius-pill);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer;white-space:nowrap;background:0 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