.substack-feed-container{margin-top:1.5rem}.substack-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2rem;max-width:800px}.substack-card{display:block;text-decoration:none;color:inherit;transition:opacity .2s ease;border-top:1px solid #e0e0e0;padding-top:1.5rem}.substack-card:hover{opacity:.7}.substack-post{display:flex;flex-direction:row;gap:1.5rem;height:100%}.substack-thumbnail{width:200px;height:150px;object-fit:cover;flex-shrink:0;border:1px solid #e0e0e0;border-radius:2px}.substack-body{flex:1;display:flex;flex-direction:column}@media (max-width:640px){.substack-post{flex-direction:column}.substack-thumbnail{width:100%;height:200px}}.substack-title{font-size:1.125rem;font-weight:500;margin-bottom:.5rem;line-height:1.4;color:#1a1a1a}.substack-date{font-size:.875rem;color:#666;margin-bottom:.5rem}.substack-desc{font-size:.9375rem;color:#4a4a4a;line-height:1.6}.substack-empty,.substack-error,.substack-skeleton{padding:2rem;text-align:center;color:#666;font-style:italic;font-size:.9rem}.substack-error{color:#c03030}