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;
    touch-action: manipulation; /* 防止双击缩放 */
}

.container {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 500px;
    width: 90%;
    touch-action: manipulation; /* 防止双击缩放 */
}

h1 {
    color: #333;
    margin-top: 0;
    font-size: 2em;
}

.encouragement-box {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 15px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation; /* 防止双击缩放 */
}

#encouragement-text {
    font-size: 1.4em;
    color: #444;
    line-height: 1.6;
    margin: 0;
    touch-action: manipulation; /* 防止双击缩放 */
}

button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.1em;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    touch-action: manipulation; /* 防止双击缩放 */
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(1px);
}

.footer {
    margin-top: 20px;
    color: #666;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.7em;
    }
    
    #encouragement-text {
        font-size: 1.2em;
    }
    
    button {
        padding: 12px 25px;
        font-size: 1em;
    }
}