@media(max-width:980px){.intro-panel{grid-template-columns:1fr}.item-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.app-shell{width:min(100% - 18px,1180px);margin:12px auto}.portal-header{flex-direction:column;align-items:flex-start;padding:20px}.brand-wrap{flex-direction:column;align-items:flex-start;gap:14px}.brand-logo{width:185px;max-width:80vw}.intro-panel,form{padding-left:16px;padding-right:16px}.notice-bar{margin-left:16px;margin-right:16px;align-items:flex-start}.two-cols,.item-grid{grid-template-columns:1fr}.section-card{padding:16px}.section-title.split{flex-direction:column;align-items:stretch}.title-left,.section-title{align-items:flex-start}.secondary-btn{width:100%}h1{font-size:30px}}