.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: bold;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

textarea {
    height: 120px;
    resize: vertical;
}

.liuyan {
    background: #a60310;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

button:hover {
    background: #0056b3;
}

.error-message {
    color: #dc3545;
    margin-top: 5px;
    font-size: 14px;
}

.success-message {
    color: #28a745;
    margin-top: 20px;
}