:root { --bg: #f7f8fb; --panel: #fff; --line: #e3e6ee; --text: #15192b; --muted: #6b7385; --brand: #4f46e5; --brand-ink: #fff; --radius: 6px; }
@media (prefers-color-scheme: dark) { :root { --bg: #0e1118; --panel: #161a24; --line: #262c3b; --text: #e6eaf2; --muted: #9aa3b8; --brand: #8a84ff; --brand-ink: #0e1118; } }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, Consolas, monospace; font-size: 0.9em; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.nav { border-bottom: 1px solid var(--line); background: var(--panel); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
.logo img { border-radius: 6px; }
.nav nav { display: flex; gap: 18px; font-weight: 500; }
.nav nav a { color: var(--muted); }
.nav nav a:hover, .nav nav a[aria-current] { color: var(--text); text-decoration: none; }
.hero { text-align: center; padding: 56px 0 32px; }
.hero .icon { border-radius: 22px; }
h1 { font-size: 34px; font-weight: 700; letter-spacing: -0.01em; margin: 16px 0 8px; }
.lede { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 auto 20px; }
.cta { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin: 0 0 8px; }
.btn { display: inline-flex; align-items: center; padding: 10px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--text); font-weight: 600; }
.btn:hover { border-color: var(--brand); text-decoration: none; }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.muted { color: var(--muted); font-size: 14px; }
.screens { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; padding: 16px 0 32px; }
.screens figure { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.screens img { display: block; width: 100%; height: auto; }
.prose { padding: 16px 0 48px; }
.prose h1 { font-size: 28px; margin: 32px 0 12px; }
.prose h2 { font-size: 20px; margin: 28px 0 8px; }
.prose h3 { font-size: 16px; margin: 20px 0 6px; }
.prose p, .prose ul { margin: 0 0 14px; }
.prose ul { padding-left: 22px; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 15px; }
.prose th, .prose td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }
.foot { padding: 20px 16px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }