.intro-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    min-width: 0;
    overflow-x: hidden;
}

.completion-counter {
    text-align: center;
    margin: 12px 0;
    padding: 6px 10px;
    background: #f5f5f5;
    border-radius: 6px;
    border: 1px solid #e8e8e8;
}

.counter-text {
    color: #777;
    font-size: 0.9em;
    margin: 0;
    font-weight: 400;
}

.counter-number {
    font-size: 0.9em;
    font-weight: 600;
    color: #666;
}

.intro-section {
    margin-bottom: 20px;
}

.intro-section h2 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.35em;
}

.intro-section p {
    line-height: 1.6;
    color: #555;
    font-size: 0.95em;
    margin-bottom: 10px;
}

.intro-section ul {
    margin-left: 18px;
    line-height: 1.6;
    color: #555;
    font-size: 0.95em;
}

.intro-section li {
    margin-bottom: 8px;
}

.disclaimer-box {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
    padding: 14px;
    margin: 20px 0;
}

.disclaimer-box h3 {
    color: #856404;
    margin-bottom: 8px;
    font-size: 1.1em;
}

.disclaimer-box p {
    color: #856404;
    font-weight: 500;
    font-size: 0.9em;
}

.start-button {
    display: block;
    width: 100%;
    max-width: 280px;
    margin: 24px auto;
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: bold;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.start-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

@media (max-width: 600px) {
    .intro-content {
        padding: 16px;
    }
    .intro-section h2 {
        font-size: 1.2em;
    }
    .intro-section p {
        font-size: 0.9em;
    }
    .disclaimer-box {
        padding: 12px;
        margin: 16px 0;
    }
    .disclaimer-box p {
        font-size: 0.85em;
    }
    .start-button {
        font-size: 0.95em;
        padding: 10px 20px;
        margin: 20px auto;
    }
}