:root {
  --bg: #07130f;
  --bg-soft: #0b1a15;
  --panel: #10221b;
  --panel-2: #14291f;
  --line: rgba(224, 238, 229, 0.13);
  --line-strong: rgba(224, 238, 229, 0.25);
  --ink: #edf5ee;
  --muted: #9cad9f;
  --lime: #c7f36b;
  --mint: #7ad6ad;
  --peach: #ffac7a;
  --blue: #79b8ff;
  --danger: #ff8e82;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-variant-numeric: tabular-nums;
}
button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; }
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 20; opacity: .035;
  background-image: repeating-linear-gradient(117deg, transparent 0 3px, rgba(255,255,255,.24) 3px 4px);
}
.topbar {
  position: sticky; top: 0; z-index: 12; height: 76px; padding: 0 4vw;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  border-bottom: 1px solid var(--line); background: rgba(7, 19, 15, .88); backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  color: var(--bg); background: var(--lime); font-weight: 900;
}
.brand > span:last-child { display: grid; gap: 2px; }
.brand b { font-size: 14px; letter-spacing: .14em; }
.brand small { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .13em; }
.topbar nav { display: flex; gap: 28px; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 13px; transition: .2s ease; }
.topbar nav a:hover { color: var(--ink); }
.status-dot { color: var(--muted); font-size: 12px; display: inline-flex; align-items: center; gap: 8px; }
.status-dot i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 14px var(--lime); }
main { overflow: hidden; }
.hero {
  position: relative; min-height: 650px; padding: 105px 6vw 80px;
  display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(310px, .7fr); gap: 7vw; align-items: end;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 72% 25%, rgba(199, 243, 107, .12), transparent 28%),
    linear-gradient(135deg, transparent 50%, rgba(122, 214, 173, .04));
}
.hero::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; border-left: 1px solid rgba(255,255,255,.035); transform: rotate(18deg); }
.eyebrow { margin: 0 0 18px; color: var(--lime); font-size: 11px; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
.hero h1 { max-width: 900px; margin: 0; font-size: clamp(46px, 6.6vw, 96px); line-height: .98; letter-spacing: -.055em; font-weight: 760; }
.hero h1 span { color: var(--lime); }
.lede { max-width: 760px; margin: 30px 0 34px; color: #b6c4b8; font-size: 17px; line-height: 1.85; }
.period-switch, .metric-switch { display: inline-flex; gap: 4px; padding: 5px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.03); }
.period-switch button, .metric-switch button {
  border: 0; border-radius: 10px; background: transparent; color: var(--muted); cursor: pointer;
  padding: 11px 15px; font-size: 13px; transition: .2s ease;
}
.period-switch button small { margin-left: 5px; opacity: .6; }
.period-switch button:hover, .metric-switch button:hover { color: var(--ink); }
.period-switch button.active, .metric-switch button.active { color: var(--bg); background: var(--lime); font-weight: 800; }
.hero-signal { position: relative; padding: 30px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: rgba(16,34,27,.72); box-shadow: var(--shadow); }
.signal-index { color: var(--lime); font-size: 10px; letter-spacing: .16em; }
.hero-signal strong { display: block; margin: 54px 0 20px; font-family: ui-serif, Georgia, serif; font-size: 32px; line-height: 1.2; font-weight: 500; }
.hero-signal > p { color: var(--muted); line-height: 1.7; font-size: 14px; }
.signal-rule { display: flex; align-items: center; gap: 12px; margin-top: 34px; }
.signal-rule span { width: 34px; height: 1px; background: var(--lime); }
.signal-rule p { color: var(--muted); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.section { padding: 96px 6vw; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.section-heading.compact { align-items: center; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 3.4vw, 50px); letter-spacing: -.035em; }
.section-heading > p { max-width: 420px; color: var(--muted); font-size: 12px; text-align: right; line-height: 1.6; }
.kpi-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.kpi { min-height: 178px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.018); }
.kpi-label { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.kpi-label b { color: var(--lime); font-size: 10px; }
.kpi-value { margin-top: 42px; font-size: clamp(25px, 2.35vw, 38px); letter-spacing: -.04em; font-weight: 780; white-space: nowrap; }
.kpi-note { margin-top: 10px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.insight { position: relative; padding: 28px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); overflow: hidden; }
.insight::after { content: ""; position: absolute; width: 80px; height: 80px; right: -30px; top: -30px; border: 1px solid rgba(199,243,107,.18); border-radius: 50%; }
.insight small { color: var(--lime); font-size: 10px; letter-spacing: .14em; }
.insight h3 { margin: 24px 0 12px; font-size: 20px; line-height: 1.35; }
.insight p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.chart-section { background: #091712; }
.metric-switch button { padding: 9px 12px; }
.chart-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 28px; box-shadow: var(--shadow); }
.chart-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.chart-meta span { color: var(--muted); font-size: 12px; }
.chart-meta strong { font-size: 23px; }
.canvas-wrap { position: relative; height: 330px; margin-top: 22px; }
canvas { width: 100%; height: 100%; display: block; }
.chart-tooltip { position: absolute; pointer-events: none; z-index: 2; min-width: 138px; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 12px; background: #06100d; box-shadow: var(--shadow); font-size: 12px; }
.chart-tooltip b { display: block; margin-top: 5px; color: var(--lime); font-size: 15px; }
.chart-axis-note { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; letter-spacing: .06em; }
.split-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.panel, .table-panel, .concentration-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.panel { padding: 28px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 28px; }
.panel-head span { font-size: 15px; font-weight: 750; }
.panel-head small { color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.funnel-step { display: grid; grid-template-columns: 46px 1fr auto; gap: 16px; align-items: center; padding: 18px 0; border-top: 1px solid var(--line); }
.funnel-step i { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--lime); font-style: normal; font-size: 10px; }
.funnel-step b { display: block; font-size: 14px; }
.funnel-step small { color: var(--muted); font-size: 11px; }
.funnel-step strong { font-size: 24px; }
.retention-row { margin: 24px 0; }
.retention-row .row-top { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 9px; font-size: 12px; }
.retention-row .row-top span { color: var(--muted); }
.bar-track { position: relative; height: 11px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.055); }
.bar-fill { height: 100%; border-radius: inherit; background: var(--lime); transition: width .45s ease; }
.bar-fill.mint { background: var(--mint); }
.bar-fill.peach { background: var(--peach); }
.panel-note { margin: 24px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.65; }
.math-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 20px; }
.math-item { padding: 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); background: rgba(255,255,255,.018); }
.math-item:first-child { border-left: 1px solid var(--line); }
.math-item span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .09em; }
.math-item strong { display: block; margin-top: 26px; font-size: 29px; }
.math-item small { display: block; margin-top: 8px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.table-panel { padding-top: 26px; }
.table-panel .panel-head { padding: 0 26px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 860px; }
th { color: var(--muted); background: rgba(255,255,255,.025); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; text-align: right; }
th:first-child, td:first-child { text-align: left; }
th, td { padding: 15px 20px; border-top: 1px solid var(--line); white-space: nowrap; }
td { text-align: right; font-size: 12px; }
td small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; }
.game-name { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.game-name i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); }
.share-cell { min-width: 150px; }
.share-cell .bar-track { height: 5px; margin-top: 7px; }
.value-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.value-card { padding: 24px 20px; min-height: 145px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.value-card span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.value-card strong { display: block; margin-top: 28px; font-size: 25px; }
.value-card small { display: block; margin-top: 7px; color: var(--muted); font-size: 9px; }
.concentration-panel { margin-top: 18px; padding: 28px; }
.concentration-row { display: grid; grid-template-columns: 160px 1fr 84px; gap: 18px; align-items: center; margin: 22px 0; }
.concentration-row span { font-size: 12px; }
.concentration-row strong { text-align: right; font-size: 20px; }
.stacked-bar { height: 30px; display: flex; overflow: hidden; border-radius: 8px; background: rgba(255,255,255,.05); }
.stacked-bar i { display: grid; place-items: center; height: 100%; background: var(--lime); color: var(--bg); font-style: normal; font-size: 9px; font-weight: 800; min-width: 36px; }
.stacked-bar i:last-child { background: rgba(255,255,255,.08); color: var(--muted); }
.dictionary { background: #0a1813; }
.source-link { color: var(--lime); font-size: 12px; text-decoration: none; }
.dictionary-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.term-card { min-height: 175px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.term-top { display: flex; justify-content: space-between; gap: 12px; }
.term-top b { color: var(--lime); font-size: 19px; }
.term-top span { color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.term-card h3 { margin: 28px 0 9px; font-size: 15px; }
.term-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.unavailable { display: grid; grid-template-columns: .35fr 1fr; gap: 50px; margin-top: 70px; align-items: start; }
.unavailable h3 { margin: 0; font-size: 29px; }
.unavailable-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.unavailable-item { padding: 18px; border: 1px solid var(--line); border-radius: 12px; }
.unavailable-item b { color: var(--peach); font-size: 13px; }
.unavailable-item p { margin: 7px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
footer { min-height: 210px; padding: 55px 6vw; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
footer p { max-width: 580px; color: var(--muted); font-size: 11px; line-height: 1.65; text-align: center; }
footer > a { color: var(--lime); font-size: 11px; text-decoration: none; }
.loading { position: fixed; inset: 0; z-index: 30; display: grid; place-content: center; gap: 14px; text-align: center; background: var(--bg); transition: opacity .35s ease; }
.loading.done { opacity: 0; pointer-events: none; }
.loading span { justify-self: center; width: 34px; height: 34px; border: 2px solid var(--line); border-top-color: var(--lime); border-radius: 50%; animation: spin .8s linear infinite; }
.loading p { color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.error-state { color: var(--danger); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 1180px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .topbar nav { display: none; }
}
@media (max-width: 820px) {
  .topbar { padding: 0 20px; }
  .status-dot { display: none; }
  .hero { min-height: auto; padding: 80px 22px 54px; grid-template-columns: 1fr; }
  .hero::before { display: none; }
  .hero h1 { font-size: 49px; }
  .lede { font-size: 15px; }
  .period-switch { display: grid; grid-template-columns: 1fr; width: 100%; }
  .hero-signal strong { margin-top: 34px; }
  .section { padding: 68px 22px; }
  .section-heading, .section-heading.compact { align-items: flex-start; flex-direction: column; }
  .section-heading > p { text-align: left; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi { min-height: 158px; }
  .kpi-value { margin-top: 31px; font-size: 27px; }
  .insight-grid, .split-grid, .dictionary-grid, .unavailable { grid-template-columns: 1fr; }
  .metric-switch { width: 100%; overflow-x: auto; }
  .metric-switch button { flex: 0 0 auto; }
  .canvas-wrap { height: 280px; }
  .math-strip { grid-template-columns: repeat(2, 1fr); }
  .math-item:nth-child(3) { border-left: 1px solid var(--line); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .concentration-row { grid-template-columns: 1fr; gap: 9px; }
  .concentration-row strong { text-align: left; }
  .dictionary-grid { border-top: 0; }
  .term-card { border-left: 0; border-top: 1px solid var(--line); }
  .unavailable { gap: 25px; }
  footer { flex-direction: column; align-items: flex-start; }
  footer p { text-align: left; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 42px; }
  .kpi-grid { grid-template-columns: 1fr; }
  .value-grid, .unavailable-grid { grid-template-columns: 1fr; }
  .math-strip { grid-template-columns: 1fr; }
  .math-item, .math-item:nth-child(3) { border-left: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}