*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: #F0F2F5; color: #1C1E21; line-height: 1.7; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 1.5rem; }
nav { background: #fff; border-bottom: 1px solid #E4E6EB; padding: 1rem 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1.05rem; color: #1C1E21; text-decoration: none; }
.logo-sq { width: 36px; height: 36px; background: #1877F2; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 0.8rem; flex-shrink: 0; }
.back-link { font-size: 0.82rem; font-weight: 600; color: #1877F2; text-decoration: none; }
.back-link:hover { text-decoration: underline; }
main { padding: 3rem 0 5rem; }
.card { background: #fff; border: 1px solid #E4E6EB; border-radius: 16px; padding: 2.5rem 2rem; }
.eyebrow { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: #1877F2; margin-bottom: 0.5rem; }
h1 { font-size: 2rem; font-weight: 800; color: #1C1E21; line-height: 1.2; margin-bottom: 0.5rem; }
.updated { font-size: 0.8rem; color: #65676B; margin-top: 0.25rem; }
.divider { height: 1px; background: #E4E6EB; margin: 2rem 0; }
h2 { font-size: 1.1rem; font-weight: 700; color: #1C1E21; margin-bottom: 0.6rem; margin-top: 1.75rem; }
h2:first-of-type { margin-top: 0; }
p { font-size: 0.95rem; color: #65676B; margin-bottom: 0.85rem; }
ul { margin: 0.5rem 0 0.85rem 1.25rem; }
ul li { font-size: 0.95rem; color: #65676B; margin-bottom: 0.4rem; }
.note { background: #E7F3FF; border-left: 3px solid #1877F2; border-radius: 0 8px 8px 0; padding: 0.75rem 1rem; font-size: 0.875rem; color: #1877F2; font-weight: 500; margin: 1rem 0; }
.warning { background: #FFF7ED; border-left: 3px solid #EA580C; border-radius: 0 8px 8px 0; padding: 0.75rem 1rem; font-size: 0.875rem; color: #9A3412; font-weight: 500; margin: 1rem 0; }
footer { border-top: 1px solid #E4E6EB; padding: 1.5rem 0; text-align: center; font-size: 0.78rem; color: #65676B; }
footer a { color: #1877F2; text-decoration: none; margin: 0 0.5rem; }
footer a:hover { text-decoration: underline; }

.brand-blue-text { color: #1877F2; }
.footer-links-top { margin-top: 0.5rem; }