:root {
  --bg: #ffffff; --bg-alt: #f5f7fa; --text: #1c2733; --muted: #5b6b7b;
  --accent: #2f7d4f; --accent-text: #ffffff; --border: #dde4ec;
  --card: #ffffff; --warn-bg: #fff7e6; --warn-border: #e8c377;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12181f; --bg-alt: #1a222c; --text: #e5ecf3; --muted: #94a4b4;
    --accent: #46a06c; --accent-text: #0d1117; --border: #2c3844;
    --card: #1e2833; --warn-bg: #2e2717; --warn-border: #8a6d2f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 900px; margin: 0 auto; padding: 0 20px; }
header.hero { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 48px 0 40px; text-align: center; }
.hero .app-icon { width: 88px; height: 88px; border-radius: 20px; }
.hero h1 { font-size: 2.3rem; margin: 14px 0 8px; letter-spacing: -0.5px; }
.hero .tagline { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 auto 6px; }
.hero .free { font-weight: 600; margin: 0 0 24px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px; text-decoration: none;
  font-weight: 600; border: 1px solid var(--accent);
}
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn.secondary { color: var(--accent); background: transparent; }
.btn small { display: block; font-weight: 400; font-size: 0.78rem; opacity: 0.85; }
.langs { font-size: 0.9rem; color: var(--muted); }
.langs a { margin: 0 6px; }
section { padding: 40px 0 8px; }
section h2 { font-size: 1.55rem; margin: 0 0 18px; letter-spacing: -0.3px; }
.shot { text-align: center; padding-top: 34px; }
.shot img { border-radius: 12px; box-shadow: 0 6px 28px rgba(0,0,0,0.18); }
.shot figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 10px; }
.notice {
  background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: 12px;
  padding: 16px 20px; margin-top: 28px;
}
.notice p { margin: 6px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.card b { display: block; margin-bottom: 4px; }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.steps { counter-reset: step; padding-left: 0; list-style: none; }
.steps > li { position: relative; padding-left: 42px; margin: 14px 0; }
.steps > li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 2px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text); font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.tablebox { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 10px 0 20px; }
th, td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: middle; }
th { background: var(--bg-alt); }
td img.mini { width: 44px; height: 44px; border-radius: 10px; }
footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 28px 0 40px; color: var(--muted); font-size: 0.9rem; }
footer p { margin: 8px 0; }
.muted { color: var(--muted); }

/* doc pages (wiki guides published under /docs/) */
.docbar { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 12px 0; }
.docbar .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; }
.docbar .home { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); text-decoration: none; }
.docbar .home img { width: 28px; height: 28px; border-radius: 7px; }
.docbar .langs a { margin: 0 0 0 12px; font-size: 0.88rem; }
.doc { max-width: 780px; padding-top: 10px; padding-bottom: 30px; }
.doc h1 { font-size: 1.9rem; letter-spacing: -0.5px; margin-bottom: 0.4em; }
.doc h2 { margin-top: 2em; font-size: 1.4rem; letter-spacing: -0.3px; }
.doc h3 { margin-top: 1.6em; }
.doc blockquote { margin: 16px 0; padding: 10px 16px; background: var(--bg-alt); border-left: 4px solid var(--accent); border-radius: 0 8px 8px 0; }
.doc blockquote p { margin: 6px 0; }
.doc pre { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; overflow-x: auto; }
.doc code { background: var(--bg-alt); padding: 1px 5px; border-radius: 5px; font-size: 0.92em; }
.doc pre code { background: none; padding: 0; }
.doc img { border-radius: 8px; }