* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 30px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
}

h2 {
    color: #3498db;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.parameters {
    margin-bottom: 30px;
}

.param-box {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.param-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

label {
    flex: 1;
    font-weight: bold;
}

input {
    flex: 2;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.strategies {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.strategy-box {
    flex: 1;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.results {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.result-box {
    flex: 1;
    min-width: 200px;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: center;
}

.probability {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 10px 0;
    color: #2c3e50;
}

.comparison {
    flex-basis: 100%;
    background-color: #e8f4fc;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: center;
}

#better-strategy {
    font-size: 1.3rem;
    font-weight: bold;
    margin: 10px 0;
    color: #27ae60;
}

.explanation {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.explanation p {
    margin-bottom: 10px;
}

.highlight {
    background-color: #e8f8f2;
    border: 2px solid #27ae60;
}

@media (max-width: 768px) {
    .strategies {
        flex-direction: column;
    }
    
    .results {
        flex-direction: column;
    }
    
    .result-box {
        min-width: 100%;
    }
}