body {
    font-family: 'SimHei', sans-serif; /* 黑体 */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: url('https://source.unsplash.com/1600x900/?nature'); /* 随机自然风景背景 */
    background-size: cover;
    background-repeat: no-repeat;
    color: #333; /* 文字颜色 */
}

.container {
    background-color: rgba(255, 255, 255, 0.5); /* 半透明白色背景 */
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 500px; /* 容器宽度 */
}

h1 {
    color: #09DCDE; /* 标题颜色 */
    margin-bottom: 20px;
}

input[type="url"] {
    width: 80%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #bdc3c7;
    border-radius: 6px;
    font-size: 16px;
}

button {
    background-color: #3498db; /* 按钮颜色 */
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease; /* 动画效果 */
}

button:hover {
    background-color: #2980b9; /* 鼠标悬停时的按钮颜色 */
}

#result {
    margin-top: 25px;
    font-weight: bold;
    font-size: 18px;
    color: #F95CBB; /* 结果文字颜色 */
    background-color: transparent; /* 透明背景 */
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    text-align: center;
    padding: 10px;
    font-size: 12px;
}

#hitokoto {
    margin-bottom: 20px;
    font-style: italic;
    color: #555;
}

#hitokoto a {
    color: #555;
    text-decoration: none;
}

#hitokoto a:hover {
    text-decoration: underline;
}