.fc-landing{max-width:900px;margin:auto;font-family:tahoma}
.fc-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:20px 0}
.fc-tabs button{padding:8px 12px;border:none;background:#eee;cursor:pointer;border-radius:6px}
.fc-tabs button.active{background:#2563eb;color:#fff}
.fc-box{display:none;background:#f9f9f9;padding:20px;border-radius:10px}
.fc-box.active{display:block}
.fc-box input,.fc-box select{width:100%;margin:6px 0;padding:10px}
.fc-box button{margin-top:10px;padding:12px;background:#2563eb;color:#fff;border:none;width:100%;border-radius:8px}
.fc-result div{padding:12px;border-radius:8px;margin-top:10px}
.fc-good{background:#e6f9ed;color:#065f46}
.fc-warn{background:#fff7e6;color:#92400e}
.fc-bad{background:#fdecea;color:#991b1b}
.fc-trust{font-size:12px;color:#555;margin-top:8px}