body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section {
    width: 80%;
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
}

h1, h2 {
    text-align: center;
}

table {
    margin: 20px auto;
    border-collapse: collapse;
    text-align: center;
}

.scores-table {
    width: 60%; /* 学生成绩表格宽度设置为60% */
}

.movies-table {
    width: 100%; /* 电影票房表格宽度设置为100% */
}

th, td {
    border: 1px solid #000;
    padding: 8px;
}

th {
    background-color: #f2f2f2;
}

input, button {
    margin: 10px;
    padding: 10px;
    font-size: 16px;
}

#result {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
}