:root{--primary-color: #2563eb;--bg-color: #f8fafc;--card-bg: #ffffff;--text-main: #1e293b;--text-sub: #64748b}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-main)}.app-container{max-width:1200px;margin:0 auto;padding:40px 20px}.site-header{text-align:center;margin-bottom:60px}.site-title{font-size:2.5rem;margin-bottom:10px;color:#1e293b}.site-desc{font-size:1.2rem;color:var(--text-sub)}.category-section{margin-bottom:50px}.category-title{font-size:1.5rem;border-bottom:2px solid #e2e8f0;padding-bottom:10px;margin-bottom:20px;display:flex;align-items:center;gap:10px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.card{background:var(--card-bg);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;box-shadow:0 4px 6px -1px #0000001a;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;border:1px solid #e2e8f0}.card:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px #00000026}.card-image-wrapper{height:160px;background-color:#e2e8f0;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-img{width:100%;height:100%;object-fit:cover}.card-img-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#3b82f6,#2563eb);display:flex;align-items:center;justify-content:center;font-size:3rem;color:#fff;font-weight:700}.card-content{padding:20px;flex-grow:1;display:flex;flex-direction:column}.card-title{margin:0 0 10px;font-size:1.25rem;color:#0f172a}.card-desc{font-size:.95rem;color:var(--text-sub);margin:0 0 15px;line-height:1.5;flex-grow:1}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}.tag{font-size:.75rem;background-color:#f1f5f9;color:#475569;padding:4px 10px;border-radius:999px;font-weight:500}.site-footer{text-align:center;margin-top:60px;color:var(--text-sub);font-size:.9rem;border-top:1px solid #e2e8f0;padding-top:20px}.loading{text-align:center;margin-top:100px;font-size:1.5rem;color:var(--text-sub)}