* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f5f6f8;
    font-family:
        Arial,
        "Microsoft YaHei",
        sans-serif;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 12px;
}

h1 {
    text-align: center;
}

.description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

textarea {
    width: 100%;
    min-height: 250px;
    padding: 15px;
    resize: vertical;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.buttons {
    margin: 15px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

button {
    border: none;
    padding: 10px 18px;
    background: #333;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    opacity: 0.8;
}

.stats {
    margin-top: 20px;
    padding: 15px;
    background: #f7f7f7;
    border-radius: 6px;
}

footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    color: #777;
    font-size: 13px;
}

footer a {
    color: #555;
    margin: 0 8px;
    text-decoration: none;
}