*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #0e1117;
    color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.7;
}

.page-bg {
    position: fixed;
    inset: 0;
    background: linear-gradient(160deg, #0e1117 0%, #1a1d2e 50%, #0e1117 100%);
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 24px 60px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 48px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: rgba(255, 255, 255, 0.8);
}

.page-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.effective-date {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 56px;
}

.support-lede {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 40px;
    line-height: 1.55;
}

.support-closing {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

details.faq-item {
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    overflow: hidden;
}

details.faq-item:last-of-type {
    margin-bottom: 0;
}

details.faq-item summary {
    cursor: pointer;
    list-style: none;
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    padding: 14px 16px;
    user-select: none;
}

details.faq-item summary::-webkit-details-marker {
    display: none;
}

details.faq-item .faq-body {
    padding: 0 16px 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

details.faq-item .faq-body p {
    margin-top: 12px;
    margin-bottom: 0;
}

details.faq-item .faq-body p + p {
    margin-top: 10px;
}

h2 {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-top: 48px;
    margin-bottom: 16px;
}

h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 8px;
}

p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

ul {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #007AFF;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

.divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin: 56px 0;
}

.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px 24px;
    text-align: center;
}

.legal-footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 12px;
    margin-bottom: 16px;
    font-size: 0.875rem;
}

.legal-footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.2s ease;
}

.legal-footer-links a:hover {
    color: rgba(255, 255, 255, 0.85);
}

.legal-footer-sep {
    color: rgba(255, 255, 255, 0.25);
    user-select: none;
}

.footer-copy {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-copy a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-copy a:hover {
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 480px) {
    .container {
        padding: 60px 20px 40px;
    }

    h2 {
        margin-top: 36px;
    }
}