* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.back-button {
    font-size: 24px;
    text-decoration: none;
    color: #333;
}

.nav-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.nav-tab {
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    color: #666;
    text-align: center;
}

.nav-tab.active {
    background-color: #4C6FFF;
    color: white;
}

.content {
    padding: 20px;
}

.hero {
    text-align: center;
    margin-bottom: 30px;
}

.hero img {
    max-width: 100%;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 1.5em;
    margin-bottom: 20px;
    color: #333;
}

.description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.section {
    margin-bottom: 30px;
}

.section h2 {
    color: #333;
    margin-bottom: 15px;
}

.section p, li {
    color: #666;
    line-height: 1.6;
}

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

    .nav-tabs {
        gap: 10px;
    }

    .nav-tab {
        font-size: 14px;
        padding: 6px 12px;
    }
    .content {
        padding-top: 0;
    }
}

.emoji {
    font-size: 1.2em;
}

.highlight {
    color: #4C6FFF;
    font-weight: bold;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.feature-list li::before {
    content: "✓";
    color: #4C6FFF;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.section-title {
    font-size: 1.3em;
    color: #333;
    margin: 25px 0 15px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tips-list {
    list-style: none;
    margin: 20px 0;
}

.tips-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.tips-list li::before {
    content: "✓";
    color: #4C6FFF;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.rocket-emoji {
    font-size: 1.2em;
    margin-right: 5px;
}

.thinking-emoji {
    font-size: 1.2em;
    margin-right: 5px;
}

.disclaimer-box {
    border-radius: 10px;
    margin: 20px 0;
}