.portal-container{max-width:1200px;margin:0 auto;padding:0 20px}.portal-header{background:#fff;box-shadow:0 2px 4px #0000001a;position:sticky;top:0;z-index:1000}.portal-nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.portal-logo{font-size:1.5rem;font-weight:600;color:#2563eb;text-decoration:none}.portal-nav-links{display:flex;list-style:none;margin:0;padding:0;gap:2rem}.portal-nav-links a{color:#374151;text-decoration:none;font-weight:500;transition:color .2s ease}.portal-nav-links a:hover{color:#2563eb}@media (max-width: 768px){.portal-nav{flex-direction:column;gap:1rem}.portal-nav-links{flex-direction:column;gap:1rem;text-align:center}}.portal-content{will-change:transform}.portal-card{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;transition:box-shadow .2s ease}.portal-card:hover{box-shadow:0 4px 6px #0000001a}