.tcbon-card{max-width:760px;margin:24px auto;padding:24px;border:1px solid #d6dbe4;border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(20,35,60,.08);font-family:system-ui,-apple-system,Segoe UI,sans-serif}.tcbon-card h2{margin-top:0}.tcbon-card label{display:block;margin:12px 0;font-weight:600}.tcbon-card input{width:100%;padding:10px;border:1px solid #b8c0cc;border-radius:8px;margin-top:4px}.tcbon-card button{margin:10px 8px 10px 0;padding:10px 16px;border:0;border-radius:8px;background:#183b6b;color:#fff;font-weight:700;cursor:pointer}.tcbon-card pre{white-space:pre-wrap;background:#f5f7fb;border:1px solid #e1e6ef;border-radius:8px;padding:12px;min-height:48px}