body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f4f4f4;
    margin: 0;
}

.lottery-container {
    text-align: center;
    background-color: #fff;
    padding: 40px 60px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
    margin-bottom: 30px;
}

.name-display {
    font-size: 2.5em; /* 字体调大一点 */
    font-weight: bold;
    color: #d9534f; /* 名字颜色 */
    border: 2px solid #eee;
    padding: 20px 40px;
    margin-bottom: 30px;
    min-height: 60px; /* 保持一定高度 */
    min-width: 250px; /* 保持一定宽度 */
    display: inline-block; /* 让边框包裹内容 */
    background-color: #f9f9f9;
    border-radius: 5px;
}

#drawButton {
    padding: 15px 30px;
    font-size: 1.2em;
    color: #fff;
    background-color: #5cb85c; /* 按钮颜色 */
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
}

#drawButton:hover {
    background-color: #4cae4c; /* 鼠标悬停颜色 */
}

#drawButton:active {
    transform: scale(0.98); /* 点击时轻微缩小 */
}

#drawButton:disabled {
    background-color: #cccccc; /* 禁用时颜色 */
    cursor: not-allowed;
}