@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Roboto:wght@300;400;500;700&display=swap');:root{--primary-dark:#1a1a1a;--primary-light:#2e2e2e;--accent-blue:#0ff;--accent-purple:#f0f;--accent-pink:#f0a;--text-light:#f0f0f0;--text-dim:#aaa;--card-bg:rgba(255,255,255,0.1);--card-border:rgba(255,255,255,0.2)}body{background:linear-gradient(135deg,var(--primary-dark),var(--primary-light));color:var(--text-light);font-family:'Roboto',sans-serif;line-height:1.6;margin:0;padding:0;overflow-x:hidden}.header{text-align:center;padding:4rem 2rem;position:relative;overflow:hidden}.header::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:url('https://images.gptkong.com/demo/sample1.png') center/cover no-repeat;opacity:0.2;z-index:-1}.title{font-family:'Orbitron',sans-serif;font-size:3rem;margin-bottom:1rem;background:linear-gradient(90deg,var(--accent-blue),var(--accent-purple));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 10px rgba(0,255,255,0.3)}.subtitle{font-size:1.2rem;color:var(--text-dim);max-width:800px;margin:0 auto}.notice{background:rgba(0,0,0,0.7);border-left:4px solid var(--accent-blue);padding:1rem;margin:2rem auto;max-width:800px;font-size:0.9rem}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:2rem;margin:3rem 0}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:2rem;backdrop-filter:blur(8px);transition:all 0.3s ease;position:relative;overflow:hidden}.card::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent,var(--accent-blue),transparent);opacity:0;transition:opacity 0.5s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,255,255,0.1)}.card:hover::after{opacity:0.1}.card h3{font-family:'Orbitron',sans-serif;color:var(--accent-blue);margin-top:0}.card-img{width:100%;height:200px;object-fit:cover;border-radius:8px;margin-bottom:1.5rem;box-shadow:0 5px 15px rgba(0,0,0,0.3);transition:transform 0.3s ease}.card:hover .card-img{transform:scale(1.03)}pre{background:rgba(0,0,0,0.3);border-left:3px solid var(--accent-blue);border-radius:0 8px 8px 0;padding:1.5rem;overflow-x:auto;font-size:0.9rem;margin:2rem 0}code{font-family:monospace;color:var(--accent-blue)}.neon-btn{display:inline-block;padding:12px 24px;background:linear-gradient(45deg,var(--accent-blue),var(--accent-purple));color:#000;font-family:'Orbitron',sans-serif;border:none;border-radius:4px;cursor:pointer;transition:all 0.3s ease;text-decoration:none;margin:1rem 0}.neon-btn:hover{box-shadow:0 0 20px rgba(0,255,255,0.7);transform:translateY(-2px)}.footer{text-align:center;padding:2rem;margin-top:4rem;border-top:1px solid var(--card-border)}@media (max-width:768px){.grid{grid-template-columns:1fr}.header{padding:3rem 1rem}.title{font-size:2.2rem}}