.calculator-container {
    margin-bottom: 30px;
}

.calculator-box {
    background-color: #f5f5f5;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.calculator-box:hover {
    background-color: #f0f0f0;
}

.calculator-input-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.calculator-input-row input {
    width: 120px;
    height: 40px;
    padding: 8px 12px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
}

.calculator-input-row input:focus {
    border-color: #4e73df;
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.calculator-input-row input[readonly] {
    background-color: #fff;
    font-weight: 700;
    color: #4e73df;
}

.calculator-input-row span {
    margin: 0 10px;
    font-size: 16px;
    color: #495057;
}

.calculator-btn {
    background-color: #4e73df;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 20px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    height: 40px;
    margin: 0 10px;
}

.calculator-btn:hover {
    background-color: #3a5fc8;
}

.calculator-result {
    width: 120px;
    height: 40px;
    padding: 8px 12px;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 700;
    color: #4e73df;
    text-align: center;
}

.calculator-tips {
    font-size: 14px;
    color: #6c757d;
    margin-top: 15px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid #4e73df;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .calculator-input-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .calculator-input-row input,
    .calculator-result,
    .calculator-btn {
        width: 100%;
        margin: 5px 0;
    }
    
    .calculator-input-row span {
        margin: 5px 0;
    }
}