:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --bg-color: #f0f2f5;
    --text-color: #2d3436;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    width: 90%;
    max-width: 600px;
    text-align: center;
}

h1 { color: var(--primary-color); }

.hidden { display: none; }

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 10px;
    background-color: #eee;
    border-radius: 5px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

/* 按钮样式 */
.options-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.option-btn {
    background-color: white;
    border: 2px solid var(--secondary-color);
    color: var(--text-color);
}

.option-btn:hover {
    background-color: var(--secondary-color);
    color: white;
}

.restart-btn {
    background-color: var(--primary-color);
    color: white;
    margin-top: 2rem;
}

/* 结果样式 */
.result-type {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
}

.description {
    line-height: 1.6;
    color: #636e72;
}