*{box-sizing:border-box;}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;background:#f5f5f5;color:#333;}
.header{background:#1f2933;color:#fff;padding:16px;text-align:center;}
.sub-title{margin-top:4px;font-size:14px;opacity:.85;}
.main{padding:16px;}
.game-list{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));}
.game-card{background:#fff;border-radius:12px;padding:12px;box-shadow:0 2px 6px rgba(0,0,0,.08);display:flex;flex-direction:column;}
.thumb-wrapper{width:100%;height:140px;border-radius:8px;background:#e5e5e5;display:flex;align-items:center;justify-content:center;margin-bottom:8px;}
.thumb-placeholder{font-size:40px;}
.game-title{font-size:18px;margin:4px 0;}
.game-desc{font-size:14px;color:#555;margin:4px 0 8px;}
.game-actions{text-align:right;}
.play-button{display:inline-block;padding:8px 14px;font-size:14px;text-decoration:none;border-radius:999px;background:#2563eb;color:#fff;}
.footer{text-align:center;padding:12px;font-size:12px;color:#777;}