:root { color-scheme: dark; --bg: #0f0f0f; --card: #171717; --line: #2c2c2c; --fg: #f1f1f1; --muted: #a0a0a0; --brand: #E94027; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
.wrap { max-width: 860px; margin: 0 auto; padding: 40px 22px 80px; }
.hero { display: flex; align-items: center; gap: 18px; margin-bottom: 8px; }
.hero img { width: 64px; height: 64px; border-radius: 16px; }
.hero h1 { margin: 0; font-size: 30px; line-height: 1.15; }
.hero .v { color: var(--muted); font-size: 14px; }
.lead { color: var(--muted); margin: 6px 0 28px; max-width: 640px; }
.tabs { display: flex; gap: 8px; margin: 0 0 24px; flex-wrap: wrap; }
.tabs a { color: var(--fg); text-decoration: none; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; }
.tabs a.on, .tabs a:hover { border-color: var(--brand); color: var(--brand); }
.callout { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); margin: 0 0 28px; }
.callout .dot { width: 12px; height: 12px; border-radius: 50%; background: #1e8e3e; margin-top: 7px; flex: 0 0 auto; }
.callout b { display: block; margin-bottom: 2px; }
.callout p { margin: 0; color: var(--muted); font-size: 15px; }
h2 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 36px 0 14px; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.step .n { width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 16px; }
.step h3 { margin: 4px 0 6px; font-size: 18px; }
.step p { margin: 0 0 8px; color: var(--muted); }
.step img { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--line); margin-top: 12px; }
.btn { display: inline-block; background: var(--brand); color: #fff; text-decoration: none; padding: 11px 18px; border-radius: 999px; font-weight: 600; margin: 6px 0 4px; }
.btn:hover { filter: brightness(1.08); }
code, .copy code { font: 13.5px ui-monospace, SFMono-Regular, Menlo, monospace; background: #202020; padding: 2px 6px; border-radius: 6px; color: var(--fg); overflow-wrap: anywhere; }
.copy { display: flex; gap: 8px; align-items: center; margin: 8px 0; }
.copy code { flex: 1; padding: 10px 12px; display: block; }
.copy pre { flex: 1; margin: 0; }
.copy pre code { display: block; white-space: pre-wrap; }
.copy button { border: 1px solid var(--line); background: transparent; color: var(--fg); font: inherit; font-size: 13px; padding: 8px 14px; border-radius: 999px; cursor: pointer; }
.copy button:hover { border-color: var(--brand); color: var(--brand); }
.copy button.ok { border-color: #1e8e3e; color: #1e8e3e; }
.foot { margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.foot a { color: var(--muted); }