:root { --ink: #14213d; --muted: #5b6475; --line: #e3e6ec; --bg: #fafbfc; --accent: #1f5fbf; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }
header { background: #fff; border-bottom: 1px solid var(--line); padding: 48px 0 36px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .02em; }
h1 { margin: 0 0 12px; font-size: 40px; line-height: 1.15; }
h2 { margin: 0 0 14px; font-size: 24px; }
.lead { max-width: 720px; font-size: 18px; color: #2b3550; margin: 0 0 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.chips span { background: #eef3fb; color: #1d3f7a; border-radius: 999px; padding: 4px 12px; font-size: 13px; }
section { padding: 32px 0 8px; }
.steps { padding-left: 22px; }
.steps li { margin: 8px 0; }
.note { color: var(--muted); font-size: 15px; }
.tabs { display: flex; gap: 8px; margin: 14px 0; }
.tab { border: 1px solid var(--line); background: #fff; padding: 8px 16px; border-radius: 8px; font: inherit; cursor: pointer; color: var(--ink); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn { display: inline-block; padding: 8px 16px; background: var(--accent); color: #fff; border-radius: 8px; text-decoration: none; font-weight: 600; }
.pages { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.pages img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.hidden { display: none; }
table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f3f5f9; font-weight: 600; }
pre { background: #0f1b33; color: #e6ecf8; padding: 14px 16px; border-radius: 8px; overflow-x: auto; font-size: 14px; }
code { background: #eef1f6; padding: 1px 5px; border-radius: 4px; font-size: .92em; }
pre code { background: none; padding: 0; }
footer { margin-top: 40px; padding: 24px 0 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
@media (max-width: 600px) { h1 { font-size: 32px; } th:nth-child(3), td:nth-child(3) { display: none; } }