.bcalc{max-width:1000px;margin:0 auto;padding:10px 16px 30px;color:#1d2b36}
.bc-intro{font-size:16px;line-height:1.6;margin:0 0 18px}
.bc-card{background:#fff;border:1px solid #d6dee5;border-radius:12px;padding:20px 22px;margin:0 0 20px}
.bc-card h2{font-size:1.35rem;margin:0 0 14px;color:#12354A}
.bc-card h3{font-size:1.05rem;margin:16px 0 8px;color:#12354A}
.bc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px 16px}
.bc-grid label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:14px}
.bc-grid label small{font-weight:400;color:#5b6b77}
.bc-grid input{padding:10px 12px;border:1px solid #b9c6d1;border-radius:8px;font:inherit;font-size:16px;width:100%;box-sizing:border-box}
.bc-grid input:focus{outline:none;border-color:#12354A;box-shadow:0 0 0 3px rgba(18,53,74,.15)}
.bc-out{margin-top:16px;border-top:1px solid #e6edf3;padding-top:12px;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:4px 28px}
.bc-r{display:flex;justify-content:space-between;gap:12px;padding:5px 0;border-bottom:1px dashed #e6edf3;font-size:15px}
.bc-r span{color:#4A5B68}
.bc-r b{color:#12354A;text-align:right}
.bc-wait{color:#6b7a85;font-size:14px}
.bc-note{font-size:14px;color:#4A5B68}