.page-title{margin-bottom:40px}.notice{max-width:860px;margin:0 auto 20px;padding:20px;border-radius:16px;text-align:left;font-size:15px;position:relative;border:1px solid #2f2f2f;background-color:#1a1a1a;color:#ccc}.notice-close{position:absolute;top:12px;right:12px;background:none;border:none;font-size:24px;cursor:pointer;color:#ccc;opacity:.7}.notice-close:hover{opacity:1}.calculator-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:860px;margin:40px auto 0}.platform-card{background-color:#1a1a1a;border-radius:16px;padding:20px;text-align:left;border:1px solid #2f2f2f}.platform-card label{font-weight:700;font-size:18px;display:block;margin-bottom:12px}.platform-result{font-size:18px;font-weight:600;margin-top:12px;color:#fff}.total-royalty{font-size:32px;font-weight:800;margin:40px 0;text-align:center;color:#fff}@media(max-width:768px){.page-title{font-size:42px}.calculator-grid{grid-template-columns:1fr}.total-royalty{font-size:24px}}