:root {
  --bg: #f6f6f8;
  --fg: #1c1c1e;
  --muted: #6b6b73;
  --card: rgba(255, 255, 255, 0.72);
  --line: rgba(0, 0, 0, 0.09);
  --accent: #0a7aff;
  --accent-fg: #fff;
  --code: rgba(0, 0, 0, 0.06);
  --glow: rgba(10, 122, 255, 0.18);
  --glow2: rgba(255, 69, 58, 0.12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d10;
    --fg: #f2f2f5;
    --muted: #9a9aa5;
    --card: rgba(255, 255, 255, 0.06);
    --line: rgba(255, 255, 255, 0.12);
    --accent: #3d95ff;
    --code: rgba(255, 255, 255, 0.09);
    --glow: rgba(61, 149, 255, 0.22);
    --glow2: rgba(255, 105, 97, 0.14);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(60rem 30rem at 15% -5%, var(--glow), transparent 70%),
    radial-gradient(50rem 28rem at 95% 8%, var(--glow2), transparent 70%);
  background-repeat: no-repeat;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd, .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
code { background: var(--code); padding: 0.1em 0.4em; border-radius: 6px; font-size: 0.92em; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: var(--fg); }
nav .brand img { width: 28px; height: 28px; }
nav .links { display: flex; align-items: center; gap: 22px; font-size: 15px; }
nav .links a { color: var(--muted); }
nav .links a:hover { color: var(--fg); text-decoration: none; }
nav .lang { border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; }

.hero { text-align: center; padding: 56px 0 40px; }
.hero img.icon { width: 120px; height: 120px; filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.28)); }
.hero h1 { font-size: clamp(36px, 7vw, 64px); line-height: 1.05; letter-spacing: -0.03em; margin: 22px 0 14px; }
.hero h1 .name {
  padding: 0 0.1em; margin: 0 -0.1em; border-radius: 0.08em;
  background: linear-gradient(transparent 56%, color-mix(in srgb, var(--accent) 45%, transparent) 56% 94%, transparent 94%);
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.hero p.lead { font-size: clamp(18px, 2.4vw, 22px); color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px; font-weight: 600;
  border: 1px solid var(--line); color: var(--fg); background: var(--card);
}
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: transparent; }
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.sub { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* menu bar mock */
.stage {
  margin: 44px auto 0; max-width: 760px; border-radius: 22px; border: 1px solid var(--line);
  background: linear-gradient(160deg, #3b5bdb 0%, #7048e8 45%, #d6336c 100%);
  overflow: hidden; position: relative; box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.45);
}
.menubar {
  display: flex; justify-content: flex-end; align-items: center;
  padding: 6px 16px; font-size: 13px; color: #fff; background: rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.menubar .r { display: flex; gap: 14px; align-items: center; }
.menubar .mi { width: 17px; height: 17px; }
.menubar .mi.bat { width: 22px; }
.menubar span { white-space: nowrap; }
.menubar .timer { font-variant-numeric: tabular-nums; font-weight: 600; background: rgba(255,255,255,0.18); padding: 1px 8px; border-radius: 6px; }
.edgebar { height: 3px; background: rgba(255,255,255,0.15); }
.edgebar i { display: block; height: 100%; width: 38%; background: #fff; animation: fill 14s linear infinite; }
@keyframes fill { from { width: 4%; } to { width: 96%; } }
.entry-area { padding: 6px 16px 40px 20px; display: flex; justify-content: flex-end; }
.pop {
  width: min(340px, 100%); border-radius: 22px; padding: 14px; text-align: left; color: #1c1c1e;
  background: rgba(255, 255, 255, 0.82); backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35); display: grid; gap: 10px;
}
.pill { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 14px; border-radius: 20px; background: rgba(255,255,255,0.7); border: 1px solid rgba(0,0,0,0.1); font-size: 16px; }
.pill .play { font-size: 11px; opacity: 0.4; }
.pill .typed { min-height: 1.3em; white-space: nowrap; overflow: hidden; }
.pill .typed::after { content: ""; display: inline-block; width: 2px; height: 1em; background: currentColor; margin-left: 1px; vertical-align: -0.12em; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.chips { display: flex; gap: 6px; font-size: 13px; }
.chips span { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 10px; background: rgba(255,255,255,0.7); border: 1px solid rgba(0,0,0,0.1); }
.chips i { width: 8px; height: 8px; border-radius: 50%; }
.tcard { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 22px; border: 1px solid rgba(0,0,0,0.06); }
.tcard.blue { background: rgba(10,132,255,0.2); } .tcard.green { background: rgba(48,209,88,0.2); } .tcard.gray { background: rgba(120,120,128,0.16); }
.tcard .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.tcard div { flex: 1; min-width: 0; line-height: 1.15; }
.tcard b { display: block; font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tcard small { font-size: 12px; opacity: 0.55; }
.tcard .cb { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 10px; background: rgba(0,0,0,0.12); }
@media (prefers-color-scheme: dark) {
  .pop { background: rgba(40, 40, 46, 0.82); color: #f2f2f5; }
  .pill, .chips span { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.14); }
  .tcard { border-color: rgba(255,255,255,0.08); }
  .tcard .cb { background: rgba(255,255,255,0.16); }
}

section { padding: 56px 0; }
section h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; margin: 0 0 8px; }
section p.intro { color: var(--muted); max-width: 620px; margin: 0 0 32px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 22px;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
th, td { text-align: left; padding: 12px 18px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 15.5px; }
tr:last-child td { border-bottom: 0; }
td:first-child { white-space: nowrap; }
td:first-child code { white-space: pre-wrap; }
.tablewrap { overflow-x: auto; border-radius: 20px; }

.steps { counter-reset: s; display: grid; gap: 14px; padding: 0; list-style: none; max-width: 720px; }
.steps li { counter-increment: s; display: flex; gap: 16px; align-items: flex-start; }
.steps li::before {
  content: counter(s); flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: var(--accent-fg); font-weight: 650; display: grid; place-items: center; font-size: 15px;
}
pre { background: var(--code); padding: 12px 16px; border-radius: 12px; overflow-x: auto; font-size: 14px; margin: 8px 0 0; }

footer { border-top: 1px solid var(--line); padding: 30px 0 50px; color: var(--muted); font-size: 14px; }
footer .row { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }
footer a { color: var(--muted); }
footer a:hover { color: var(--fg); }

@media (max-width: 640px) {
  .entry-area { padding-right: 12px; }
  .menubar { font-size: 12px; padding: 6px 12px; }
  .menubar .r { gap: 9px; }
  nav .links a.hide-sm { display: none; }
  .hero { padding-top: 30px; }
  body { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .edgebar i { animation: none; }
  .pill .typed::after { animation: none; }
  html { scroll-behavior: auto; }
}

.legal { max-width: 720px; padding: 30px 0 50px; }
.legal h1 { font-size: clamp(30px, 5vw, 42px); letter-spacing: -0.02em; margin: 0 0 14px; }
.legal h2 { font-size: 20px; margin: 28px 0 6px; }
.legal p, .legal li { color: var(--muted); }
.legal li { margin: 6px 0; }
.legal b { color: var(--fg); }

.card .ic { display: block; width: 26px; height: 26px; color: var(--accent); margin-bottom: 14px; }
.more-label { margin: 44px 0 4px; font-size: 13px; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.more { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0 40px; }
.more > div { padding: 16px 0; border-top: 1px solid var(--line); }
.more h3 { margin: 0 0 4px; font-size: 16px; }
.more p { margin: 0; color: var(--muted); font-size: 15px; }