:root{--primary-color: #1a365d;--secondary-color: #2b6cb0;--cooperation-color: #805ad5;--success-color: #38a169;--warning-color: #d69e2e;--danger-color: #e53e3e;--light-bg: #f7fafc;--border-color: #e2e8f0;--sidebar-width: 240px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Microsoft YaHei,sans-serif;background:#edf2f7;color:#2d3748}.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px #0000001a;margin-bottom:16px}.card-title{font-weight:700;font-size:1rem;color:#2d3748;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid #e2e8f0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px #0000001a}.stat-title{font-size:.85rem;color:#718096;margin-bottom:8px}.stat-value{font-size:1.6rem;font-weight:700;color:#2d3748}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.pagination{display:flex;justify-content:center;margin-top:16px}.mt-4{margin-top:16px}