.ig-tool-wrap{max-width:960px;margin:80px auto;padding:60px;background:linear-gradient(180deg,#fff,#f5f7ff);border-radius:32px;box-shadow:0 40px 90px rgb(0 0 0 / .08);font-family:Inter,system-ui}.ig-head h1{font-size:44px;margin-bottom:10px}textarea{width:100%;min-height:130px;padding:18px;border-radius:16px;border:1px solid #e5e7eb;font-size:16px}.ig-options{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0}select{padding:14px;border-radius:14px;border:1px solid #e5e7eb}button{padding:16px 40px;border-radius:18px;border:none;background:linear-gradient(90deg,#6366f1,#22d3ee);color:#fff;font-weight:600;cursor:pointer}#result{margin-top:32px;padding:24px;background:#f8fafc;border-radius:16px}.hidden{display:none}