.eic{--bg:#ffffff;--surface:#f7f8fa;--surface-2:#eef0f4;--surface-3:#e4e7ed;--border:#dce0e8;--border-light:#edf0f5;--text:#1a2332;--text-muted:#4a5568;--text-dim:#718096;--accent:#0ABAB5;--accent-light:#0dd3cd;--accent-dim:rgba(10, 186, 181, 0.10);--accent-dark:#099e9a;--orange:#e08a2b;--orange-dim:rgba(224, 138, 43, 0.08);--radius:2px;--radius-lg:2px;--shadow:0 2px 12px rgba(0, 0, 0, 0.08);--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.04);--font-sans:inherit;--font-mono:'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;--transition:0.2s ease}.eic-page{background:#f4f6f9;min-height:60vh;padding-bottom:40px}.eic-info-bar{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;background:#fff;border:1px solid rgba(0,0,0,6%);border-left:4px solid #0abab5;padding:1rem 1.5rem;margin-bottom:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,4%)}.eic-info-bar p{margin:0;font-size:14px;color:var(--text-muted);line-height:1.5}.eic-info-stats{display:flex;gap:1.5rem;flex-shrink:0;font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}.eic-info-stats strong{color:#0abab5;font-weight:800}.eic{background:var(--bg);border:1px solid rgba(0,0,0,6%);padding:36px 32px 28px;box-shadow:var(--shadow-sm);font-family:var(--font-sans);color:var(--text)}.eic-note{display:flex;gap:12px;align-items:flex-start;background:var(--accent-dim);border:1px solid rgba(10,186,181,.15);border-left:4px solid var(--accent);border-radius:var(--radius);padding:14px 16px;margin-bottom:28px;font-size:13px;line-height:1.6;color:var(--text)}.eic-note-icon{font-size:16px;flex-shrink:0;line-height:1.4}.eic-note strong{font-weight:700}.eic-note-eq{display:inline-block;margin:6px 0;font-weight:600;font-size:13px}.eic-form-group{margin-bottom:24px}.eic-form-group>label:first-child{display:block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:8px}.eic-label-bold{font-weight:700!important;font-size:13px!important}.eic-form-group input[type=number]{width:100%;padding:10px 14px;font-size:14px;font-family:var(--font-mono);color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:var(--transition);box-sizing:border-box;-moz-appearance:textfield}.eic-form-group input[type=number]::-webkit-inner-spin-button,.eic-form-group input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.eic-form-group input[type=number]:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.eic-form-hint{font-size:12px;color:var(--text-dim);margin-top:6px;line-height:1.5}.eic-group-cards{display:flex;flex-direction:column;gap:10px;margin-top:4px}.eic-group-card{display:flex;align-items:flex-start;border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:var(--transition);background:var(--bg)}.eic-group-card:hover{border-color:var(--accent);background:var(--accent-dim)}.eic-group-card input[type=radio]{margin-top:3px;margin-right:12px;accent-color:var(--accent);flex-shrink:0;cursor:pointer}.eic-group-card-inner{flex:1;cursor:pointer}.eic-group-card-inner strong{font-size:14px;font-weight:700;color:var(--text);display:block;margin-bottom:4px}.eic-group-card-inner p{margin:0;font-size:12.5px;line-height:1.5;color:var(--text-dim)}.eic-group-card:has(input:checked){border-color:var(--accent);background:var(--accent-dim)}.eic-group-card:has(input:checked) .eic-group-card-inner strong{color:var(--accent-dark)}.eic-result-box{background:var(--bg);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius);padding:20px 24px;margin-top:24px;transition:var(--transition)}.eic-result-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.eic-result-value{font-size:2rem;font-weight:700;color:var(--accent);font-family:var(--font-mono);margin-top:6px;line-height:1.2}.eic-result-formula{font-size:12px;color:var(--text-dim);margin-top:8px}.eic-warning{background:var(--orange-dim);border:1px solid rgba(224,138,43,.15);border-left:4px solid var(--orange);border-radius:var(--radius);padding:14px 16px;margin-top:16px;font-size:13px;line-height:1.6;color:var(--text)}.eic-warning strong{font-weight:700}.eic-payment-info{background:var(--accent-dim);border:1px solid rgba(10,186,181,.15);border-left:4px solid var(--accent);border-radius:var(--radius);padding:16px 18px;margin-top:28px;font-size:13px;line-height:1.6;color:var(--text)}.eic-payment-info strong{font-weight:700;display:block;margin-bottom:8px}.eic-payment-info ul{margin:0;padding-left:20px}.eic-payment-info li{margin-bottom:4px}.eic-disclaimer{text-align:center;padding:24px 0 8px;color:var(--text-dim);font-size:11.5px;line-height:1.6;border-top:1px solid var(--border);margin-top:28px}.eic-disclaimer p{margin:0 0 6px}.eic-disclaimer a{color:var(--accent);font-weight:600;text-decoration:none}.eic-disclaimer a:hover{text-decoration:underline}[data-theme=dark] .eic-page{background:#121212}[data-theme=dark] .eic{--bg:#1E1E1E;--surface:#252525;--surface-2:#2a2a2a;--surface-3:#333333;--border:#3a3a3a;--border-light:#4a4a4a;--text:#E8E8E8;--text-muted:#AAAAAA;--text-dim:#888888;--accent:#0dd3cd;--accent-light:#0ff5ef;--accent-dim:rgba(13, 211, 205, 0.12);--accent-dark:#0dd3cd;--orange:#e08a2b;--orange-dim:rgba(224, 138, 43, 0.12);--shadow:0 2px 12px rgba(0, 0, 0, 0.3);--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.3)}[data-theme=dark] .eic-page .eic{background:#1e1e1e;box-shadow:0 2px 8px rgba(0,0,0,.3)}[data-theme=dark] .eic-info-bar{background:#1e1e1e;border-color:rgba(255,255,255,8%);border-left-color:#0dd3cd}[data-theme=dark] .eic-info-bar p{color:#aaa}[data-theme=dark] .eic-info-stats{color:#aaa}[data-theme=dark] .eic-info-stats strong{color:#0dd3cd}[data-theme=dark] .eic-note{background:rgba(13,211,205,8%);border-color:rgba(13,211,205,.15);border-left-color:#0dd3cd}[data-theme=dark] .eic-group-card{background:#1e1e1e;border-color:#3a3a3a}[data-theme=dark] .eic-group-card:hover,[data-theme=dark] .eic-group-card:has(input:checked){background:rgba(13,211,205,8%);border-color:#0dd3cd}[data-theme=dark] .eic-result-box{background:#1e1e1e;border-color:#3a3a3a;border-left-color:#0dd3cd}[data-theme=dark] .eic-warning{background:rgba(224,138,43,8%);border-color:rgba(224,138,43,.15)}[data-theme=dark] .eic-payment-info{background:rgba(13,211,205,6%);border-color:rgba(13,211,205,.12);border-left-color:#0dd3cd}[data-theme=dark] .eic-disclaimer{border-top-color:#3a3a3a}[data-theme=dark] .eic-disclaimer a{color:#0dd3cd}@media(max-width:768px){.eic-info-bar{flex-direction:column;align-items:flex-start;gap:.75rem}.eic-info-stats{gap:1rem}.eic{padding:24px 18px 20px}.eic-result-value{font-size:1.6rem}}