/* 新增内容样式 */
.benefits-list, .science-list {
    list-style: none;
    padding: 0;
}

.benefits-list li, .science-list li {
    margin: 15px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--breathing-cyan);
}

.howto-list {
    counter-reset: step-counter;
    list-style: none;
    padding: 0;
}

.howto-list li {
    counter-increment: step-counter;
    margin: 15px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    position: relative;
    padding-left: 60px;
}

.howto-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 15px;
    top: 15px;
    background: var(--breathing-cyan);
    color: var(--deep-space-blue);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.tip-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.tip-card:hover {
    transform: translateY(-5px);
    border-color: var(--breathing-cyan);
}

.tip-card h4 {
    color: var(--breathing-cyan);
    margin-bottom: 10px;
}

.faq-item {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item h4 {
    color: var(--breathing-cyan);
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 15px 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--breathing-cyan);
}

.copyright {
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.6;
    margin-top: 15px;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

.legal-content h2 {
    color: var(--breathing-cyan);
    margin: 30px 0 15px 0;
}

.legal-content ul {
    margin: 15px 0;
    padding-left: 20px;
}

.legal-content nav a {
    color: var(--breathing-cyan);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 20px;
}

.legal-content nav a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .howto-list li {
        padding-left: 50px;
    }
    
    .howto-list li::before {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
}