body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: transparent;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(35, 35, 45, 0.25);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.h2 {
    color: #ffffff;
    text-align: center;
    margin-bottom: 20px;
}

.assignment-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.assignment-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result {
    margin-top: 15px;
    padding: 15px;
    background-color: rgba(233, 233, 233, 0.15);
    border-radius: 5px;
    font-size: 1.1em;
    word-break: break-all; 
    white-space: pre-wrap;
}

.code {
    margin-top: 15px;
    padding: 15px;
    background-color: #f8f8f8;
    border-radius: 5px;
    font-family: monospace;
    white-space: pre-wrap;
    overflow-x: auto;
    text-align: left;
    border: 1px solid #ddd;
}

hr {
    border: 0;
    height: 1px;
    background: #ccc;
    margin: 30px 0;
}