/* 保持原有的基础样式 */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 95%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

/* 添加新的分节样式 */
.section {
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 8px;
}

.backtest-section {
    background-color: #fff;
    margin-bottom: 40px;
}

.calculator-section {
    background-color: #f8f9fa;
    text-align: center;
    padding: 30px 20px;
    margin: 40px 0;
    border: 1px solid #e9ecef;
    border-radius: 8px;
}

.calculator-title {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 1.5em;
}

.calculator-container {
    max-width: 600px;
    margin: 0 auto;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.calculator-input {
    width: 300px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
}

.calculator-button {
    background-color: #2ecc71;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
    width: 200px;
}

.calculator-button:hover {
    background-color: #27ae60;
}

.calculator-result {
    margin-top: 20px;
    padding: 15px;
    background-color: #fff;
    border-radius: 4px;
    min-height: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: inline-block;
    min-width: 300px;
}

/* 保持原有的其他样式 */
.chart-container {
    width: 100%;
    height: 600px;
    margin-top: 20px;
}

h1, h2 {
    color: #2c3e50;
}

form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="date"],
input[type="number"],
select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background-color: #3498db;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

.hidden {
    display: none;
}

#results, #transactionLog {
    background-color: #ecf0f1;
    padding: 20px;
    border-radius: 4px;
    margin-top: 30px;
}

#logContent {
    white-space: pre-wrap;
    font-family: monospace;
    font-size: 14px;
    background-color: #f8f8f8;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .calculator-input {
        width: 100%;
    }

    .calculator-button {
        width: 100%;
    }

    .calculator-result {
        width: 100%;
        min-width: unset;
    }

    .section {
        padding: 15px;
    }
}