/* feedback.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.feedback-form {
    width: 100%;
    max-width: 800px;
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 15px;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 10px;
    }

    h1 {
        font-size: 2rem;
    }
}