* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body {
    /*background-image: url("https://bing.shangzhenyang.com/api/1080p");*/
    /*background-size: cover;*/
    /*background-position: center;*/
    /*background-repeat: no-repeat;*/
    display: flex;
    /*justify-content: center;*/
    align-items: center;
    flex-direction: column;
    gap: 20px;
    padding: 40px;
}

.card {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 24px 32px;
    max-width: 400px;
    text-align: center;
    color: #000;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.card h2 {
    font-size: 1.8em;
    margin-bottom: 12px;
}

.card p {
    font-size: 1em;
    margin-bottom: 20px;
}

.copy-button {
    padding: 10px 20px;
    background-color: #007aff;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
}

.copy-button:hover {
    background-color: #005fcc;
}