/* OpenCampus Toolbox V1.0 frontend foundation */
.oct-dashboard{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:#f7f9fc;color:#172033;min-height:100vh;padding:32px}
.oct-shell{max-width:1280px;margin:auto}
.oct-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.oct-brand{font-size:22px;font-weight:800}
.oct-subtitle{color:#64748b;margin-top:5px}
.oct-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.oct-card{background:#fff;border:1px solid #e8edf5;border-radius:16px;padding:20px;box-shadow:0 4px 18px rgba(30,50,80,.05)}
.oct-card h3{margin:0 0 10px}
.oct-tool{display:flex;gap:12px;align-items:center}
.oct-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:#eef4ff;font-size:23px}
@media(max-width:900px){.oct-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.oct-dashboard{padding:16px}.oct-grid{grid-template-columns:1fr}}