body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 30px;
    width: 90%;
    max-width: 500px;
    text-align: center;
}

h1 {
    color: #333;
    margin-bottom: 20px;
    font-size: 2em;
}

.prize-info {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
}

.prize-info h2 {
    margin-top: 0;
    color: #555;
}

.prize-info ul {
    text-align: left;
    padding-left: 20px;
}

.prize-info li {
    margin-bottom: 10px;
    color: #666;
}

#drawButton {
    background: linear-gradient(to right, #ff7e5f, #feb47b);
    border: none;
    color: white;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-bottom: 30px;
}

#drawButton:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

#drawButton:active {
    transform: translateY(1px);
}

.result {
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

#prizeResult {
    font-size: 1.2em;
    font-weight: bold;
    margin: 20px 0;
    padding: 20px;
    border-radius: 10px;
    color: white;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    white-space: pre-wrap;
    text-align: left;
}

.welcome-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px dashed #ddd;
}

.welcome-section h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5em;
}

.hidden {
    display: none;
}