body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #ece9e6, #ffffff);
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    border: 2px solid #ccc;
    border-radius: 10px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.container:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

h1 {
    margin-bottom: 20px;
    font-size: 2rem;
    color: #2c3e50;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.7);
}
input[type="text"], input[type="number"], button {
    padding: 12px 15px;
    margin: 5px 0;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    width: 10%;
    max-width: 250px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus, input[type="number"]:focus {
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
    outline: none;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s, transform 0.2s;
    padding: 12px 15px; /* 保持一致的内边距 */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 150px;
}

button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0); /* 按下按钮时取消浮动 */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#result {
    margin-top: 20px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-size: 0.9rem;
    line-height: 1.5;
}