/* 太阳 / 月亮 站点样式 */
:root, html[data-theme="light"] {
  --background: #ffffff;
  --foreground: #0a0a0a;
  --card: #ffffff;
  --card-foreground: #0a0a0a;
  --primary: #171717;
  --primary-foreground: #fafafa;
  --secondary: #f5f5f5;
  --secondary-foreground: #171717;
  --muted: #f5f5f5;
  --muted-foreground: #6a6a6a;
  --accent: #f5f5f5;
  --accent-foreground: #171717;
  --destructive: #e40014;
  --success: #009252;
  --success-foreground: #00512a;
  --success-soft: #e8f7ef;
  --info: #1f8cc9;
  --info-foreground: #004d75;
  --info-soft: #e8f4fb;
  --border: #e5e5e5;
  --input: #e5e5e5;
  --ring: #a1a1a1;
  --sidebar: #fafafa;
  --radius: .625rem;
  --shadow-card: 0 1px 3px #0000000d, 0 1px 1px #00000008;
  --shadow-float: 0 8px 24px -6px #0000001a, 0 2px 8px -2px #0000000a;
  --pixel: #e40014;
}

html[data-theme="dark"] {
  --background: #0a0a0a;
  --foreground: #fafafa;
  --card: #171717;
  --card-foreground: #fafafa;
  --primary: #e5e5e5;
  --primary-foreground: #171717;
  --secondary: #262626;
  --secondary-foreground: #fafafa;
  --muted: #262626;
  --muted-foreground: #a1a1a1;
  --accent: #262626;
  --accent-foreground: #fafafa;
  --destructive: #ff6568;
  --success: #4ebe7d;
  --success-foreground: #88d9a5;
  --success-soft: #163226;
  --info: #55aee8;
  --info-foreground: #91d0fc;
  --info-soft: #163044;
  --border: #ffffff1a;
  --input: #ffffff26;
  --ring: #737373;
  --sidebar: #171717;
  --shadow-card: inset 0 1px 0 #ffffff0a, 0 1px 2px #0003, 0 .5px 1px #00000026;
  --shadow-float: 0 0 0 1px #ffffff0f, 0 16px 48px -6px #00000059, 0 6px 12px -2px #0003;
  --pixel: #ff6568;
  color-scheme: dark;
}

:root {
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
.section, #overview, #ops, #contracts, #mechanism { scroll-margin-top: 96px; }
html, body { background: var(--background); color: var(--foreground); }
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  letter-spacing: -0.01em;
}

.shell { width: min(var(--max), 100%); margin: 0 auto; padding: 0 28px; }

/* Vertical rails of the centered column */
.rail {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 5;
  width: min(var(--max), 100%);
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--foreground); }
button, input { font: inherit; color: inherit; background: none; border: 0; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.mono, .value, .kv dd, .ca-addr, .ticker b, .diff-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.brand, .brand-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  flex: 0 0 auto;
}
.brand-mark { width: 52px; height: 26px; display: block; }
.brand-mark-dark { display: none; }
html[data-theme="dark"] .brand-mark-light { display: none; }
html[data-theme="dark"] .brand-mark-dark { display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-weight: 600; font-size: 14px; letter-spacing: -0.02em; }
.brand-text span {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted-foreground);
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--background) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 64px;
}
.nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.nav a {
  padding: 8px 11px;
  color: var(--muted-foreground);
  font-size: 14px;
  font-weight: 500;
  border-radius: 999px;
}
.nav a:hover, .nav a.is-active { color: var(--foreground); }
.nav a.is-active { background: var(--muted); }

.header-tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.wallet { display: flex; align-items: center; gap: 8px; }
.wallet-addr { font-family: var(--mono); font-size: 12px; color: var(--muted-foreground); }

.icon-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--foreground);
  background: var(--card);
}
.icon-btn:hover { background: var(--muted); }
html[data-theme="light"] .icon-sun,
html[data-theme="dark"] .icon-moon { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 550;
  letter-spacing: -0.01em;
  background: var(--card);
  color: var(--foreground);
  transition: background .15s ease, color .15s ease, border-color .15s ease, opacity .15s ease;
}
.btn:hover { background: var(--muted); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; pointer-events: none; }
.btn-solid { background: var(--primary); color: var(--primary-foreground); border-color: var(--primary); }
.btn-solid:hover { filter: brightness(1.08); background: var(--primary); color: var(--primary-foreground); }
.btn-soft { background: var(--card); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
a.btn { text-decoration: none; }

.ca-strip { border-bottom: 1px solid var(--border); background: var(--background); }
.ca-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0;
  padding: 8px 8px 8px 16px;
  background: var(--muted);
  border-radius: 999px;
  flex-wrap: wrap;
}
.ca-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
}
.ca-addr {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: var(--foreground);
  word-break: break-all;
}
.ca-actions { display: flex; gap: 6px; margin-left: auto; }
.ca-actions .btn { height: 32px; padding: 0 12px; font-size: 12px; }

.ticker {
  border-bottom: 1px solid var(--border);
  background: var(--background);
}
.ticker-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted-foreground);
  text-transform: uppercase;
}
.ticker b { color: var(--foreground); font-weight: 500; margin-left: 6px; text-transform: none; }
.ticker-clock { margin-left: auto; text-transform: none; }

.hero { padding: 56px 0 28px; }
.hero-copy { text-align: center; max-width: 820px; margin: 0 auto 36px; }
.hero-copy .shell, .hero-copy { padding-left: 28px; padding-right: 28px; }

.pixel-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 999px;
  padding: 4px 12px 4px 7px;
  font-size: 12px;
  font-weight: 550;
  color: var(--muted-foreground);
  margin-bottom: 18px;
}
.pixel-sun {
  width: 14px;
  height: 14px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  gap: 1px;
}
.pixel-sun i { display: block; background: transparent; }
.pixel-sun i.on { background: var(--pixel); }

.live-badge, .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted-foreground);
  margin: 0 auto 16px;
  font-family: var(--mono);
}
.hero-copy .live-badge { display: flex; width: fit-content; }

h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.05;
  color: var(--foreground);
  margin: 0 0 18px;
}
.muted-title { color: var(--muted-foreground); font-weight: 600; }
.lead {
  color: var(--muted-foreground);
  font-size: 16px;
  line-height: 1.7;
  margin: 0 auto 26px;
  max-width: 42em;
}
.lead.narrow { margin-left: 0; margin-right: 0; text-align: left; }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.hero-actions .btn { height: 42px; padding: 0 20px; font-size: 14px; }

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--muted-foreground);
  vertical-align: middle;
}
.dot.wait { background: var(--muted-foreground); }
.dot.live { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.dot.err { background: var(--destructive); }
.dot.work { background: var(--info); box-shadow: 0 0 0 3px var(--info-soft); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 12px;
  color: var(--muted-foreground);
}
.pill.is-live { color: var(--success-foreground); background: var(--success-soft); border-color: transparent; }
.pill.is-work { color: var(--info-foreground); background: var(--info-soft); border-color: transparent; }
.status-pills { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.dash-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-float);
  padding: 22px 22px 24px;
}
.dash-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  font-size: 12px;
  color: var(--muted-foreground);
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}
.dash-title { font-size: 18px; font-weight: 600; letter-spacing: -0.03em; }

.metric-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 132px;
  padding: 16px 14px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background);
  color: inherit;
}
.metric:hover { background: var(--muted); }
.metric .label, .label {
  font-size: 11px;
  color: var(--muted-foreground);
  letter-spacing: 0.02em;
}
.metric .value, .value {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.15;
}
.metric .sub, .sub {
  margin-top: auto;
  font-size: 12px;
  color: var(--muted-foreground);
  font-family: var(--mono);
}

.bar, .bar.thick {
  height: 6px;
  border-radius: 99px;
  background: var(--muted);
  overflow: hidden;
  position: relative;
}
.bar.thick { height: 10px; }
.bar > span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--foreground);
  transition: width .6s ease;
}
.bar-block { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted-foreground);
  font-family: var(--mono);
}

.gauge-row {
  display: grid;
  grid-template-columns: 180px 180px 1fr;
  gap: 8px;
  margin-top: 16px;
  align-items: center;
  padding-top: 8px;
}
.gauge { text-align: center; position: relative; }
.gauge svg { width: 100%; max-width: 160px; display: block; margin: 0 auto; }
.gauge .track { fill: none; stroke: var(--border); stroke-width: 8; }
.gauge .value {
  fill: none;
  stroke: var(--foreground);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
  transition: stroke-dashoffset .7s ease;
  font-size: inherit;
  font-weight: inherit;
}
.gauge-read {
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.gauge-read strong {
  display: block;
  font-family: var(--mono);
  font-size: 24px;
  letter-spacing: -0.04em;
  line-height: 1;
}
.gauge-read span {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted-foreground);
}
.gauge figcaption {
  margin-top: 2px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-foreground);
}
.gauge-side { padding: 8px 8px 8px 16px; }
.tiny { font-size: 12px; color: var(--muted-foreground); }
.kv { display: grid; grid-template-columns: 148px 1fr; gap: 9px 16px; font-size: 14px; }
.kv.compact { grid-template-columns: 88px 1fr; gap: 7px 12px; font-size: 13px; }
.kv dt { color: var(--muted-foreground); }
.kv dd { word-break: break-all; }
.kv dd.challenge { font-size: 11px; }

.section { padding: 72px 0 12px; }
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 0 0 14px;
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 28px;
}
.step {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 20px 18px 22px;
  min-height: 210px;
}
.step.is-active { box-shadow: var(--shadow-card); border-color: var(--foreground); }
.step.is-active .step-top { color: var(--foreground); }
.step-top { display: flex; justify-content: space-between; color: var(--muted-foreground); font-size: 12px; }
.step h3 { margin: 18px 0 10px; font-size: 18px; font-weight: 600; letter-spacing: -0.03em; }
.step p { color: var(--muted-foreground); font-size: 14px; }

.tabbar {
  display: flex;
  gap: 6px;
  padding: 6px;
  margin: 22px 0 16px;
  background: var(--muted);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
}
.tab {
  height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--muted-foreground);
  font-size: 14px;
  font-weight: 550;
  white-space: nowrap;
}
.tab:hover { color: var(--foreground); }
.tab.is-active { background: var(--card); color: var(--foreground); box-shadow: var(--shadow-card); }

.tab-panel[hidden] { display: none !important; }
.tab-panel { display: block; }
.panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
}
.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  padding: 24px;
}

.diff-dial {
  text-align: center;
  padding: 4px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.diff-num {
  font-size: 80px;
  line-height: 0.9;
  letter-spacing: -0.06em;
  font-weight: 600;
  margin: 6px 0 0;
}
.diff-num.is-empty {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 72px;
  color: var(--muted-foreground);
}
.diff-unit {
  font-family: var(--mono);
  color: var(--muted-foreground);
  font-size: 12px;
  margin-bottom: 8px;
}

.ladder {
  display: flex;
  gap: 4px;
  margin-top: 16px;
  align-items: flex-end;
  min-height: 28px;
}
.ladder i {
  flex: 1;
  height: 8px;
  background: var(--muted);
  border-radius: 99px;
  display: block;
}
.ladder i.is-done { background: var(--foreground); }
.ladder i.is-now {
  background: var(--foreground);
  height: 16px;
  box-shadow: 0 0 0 3px var(--success-soft);
}

.hashrate { font-size: 12px; color: var(--muted-foreground); margin: 12px 0 8px; }
.hash-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  margin-bottom: 10px;
}
.hash-bars i {
  flex: 1;
  height: 20%;
  border-radius: 99px;
  background: color-mix(in srgb, var(--foreground) 28%, transparent);
}
body.is-mining .hash-bars i {
  animation: hashPulse .9s ease-in-out infinite;
  background: var(--info);
}
body.is-mining .hash-bars i:nth-child(2) { animation-delay: .08s; }
body.is-mining .hash-bars i:nth-child(3) { animation-delay: .16s; }
body.is-mining .hash-bars i:nth-child(4) { animation-delay: .24s; }
body.is-mining .hash-bars i:nth-child(5) { animation-delay: .32s; }
body.is-mining .hash-bars i:nth-child(6) { animation-delay: .4s; }
body.is-mining .hash-bars i:nth-child(7) { animation-delay: .48s; }
body.is-mining .hash-bars i:nth-child(8) { animation-delay: .56s; }
@keyframes hashPulse {
  0%, 100% { height: 22%; }
  50% { height: 100%; }
}

.log {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted-foreground);
  max-height: 200px;
  overflow: auto;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  white-space: pre-wrap;
}

.field { display: flex; flex-direction: column; gap: 6px; margin: 16px 0 4px; }
.field label { font-size: 12px; color: var(--muted-foreground); }
.field input {
  border: 1px solid var(--input);
  background: var(--muted);
  border-radius: 10px;
  padding: 9px 12px;
  font-family: var(--mono);
  outline: none;
  flex: 1;
  min-width: 0;
}
.field input:focus { border-color: var(--ring); background: var(--card); }
.field-row { display: flex; gap: 8px; flex-wrap: wrap; }

.instruments-3 { grid-template-columns: repeat(3, 1fr); }
.note {
  color: var(--muted-foreground);
  font-size: 13px;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--muted);
}

.addr-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.addr-card {
  grid-column: span 2;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 18px;
}
.addr-card:nth-child(5):last-child { grid-column: 3 / span 2; }
.addr-card .name { font-weight: 600; letter-spacing: -0.02em; margin-bottom: 8px; }
.addr-card .mono {
  font-size: 13px;
  word-break: break-all;
  color: var(--muted-foreground);
  min-height: 2.4em;
}
.addr-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.addr-actions .btn { height: 32px; padding: 0 12px; font-size: 12px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td {
  text-align: left;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.foot-note { margin-top: 18px; }
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 72px;
  padding: 28px 0 40px;
  color: var(--muted-foreground);
  font-size: 12px;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }

@media (max-width: 1040px) {
  .metric-row, .steps, .panel-grid, .addr-grid, .gauge-row, .instruments-3 {
    grid-template-columns: 1fr 1fr;
  }
  .metric-row { grid-template-columns: 1fr 1fr; }
  .addr-card, .addr-card:nth-child(5):last-child { grid-column: auto; }
}
@media (max-width: 800px) {
  .rail { display: none; }
  .shell { padding: 0 18px; }
  .hero { padding-top: 36px; }
  .header-inner { flex-wrap: wrap; padding: 8px 0; }
  .nav { order: 3; width: 100%; }
  .header-tools { margin-left: auto; }
  .wallet-addr { display: none; }
  .ca-bar { border-radius: 16px; }
  .ca-actions { width: 100%; margin-left: 0; }
  .metric-row, .steps, .panel-grid, .addr-grid, .gauge-row, .instruments-3 {
    grid-template-columns: 1fr;
  }
  .addr-card, .addr-card:nth-child(5):last-child { grid-column: auto; }
  .diff-num { font-size: 56px; }
  .kv, .kv.compact { grid-template-columns: 1fr; }
  .tabbar { width: 100%; }
  h1 { font-size: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

a.metric[aria-disabled="true"], a.is-disabled { pointer-events: none; cursor: default; }
.tick-flash { animation: tickFlash .45s ease; }
@keyframes tickFlash { from { opacity: .45; } to { opacity: 1; } }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  box-shadow: var(--shadow-card);
  padding: 20px 18px 22px;
}
.feature-card h3 { font-size: 18px; font-weight: 600; letter-spacing: -0.03em; margin: 12px 0 8px; }
.feature-card p { color: var(--muted-foreground); font-size: 14px; }
.feature-visual {
  height: 92px;
  border-radius: 12px;
  background: var(--muted);
  border: 1px solid var(--border);
  margin-bottom: 4px;
}
.hash-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 4px;
  padding: 12px;
}
.hash-grid i { background: var(--border); border-radius: 3px; }
.hash-grid i:nth-child(3n) { background: var(--foreground); opacity: .7; }
.release-track { display: flex; align-items: center; padding: 0 16px; }
.release-track span {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 99px;
  background:
    repeating-linear-gradient(90deg, var(--border) 0 10px, transparent 10px 18px),
    var(--card);
  box-shadow: inset 0 0 0 1px var(--border);
}
.vault-bars { display: flex; align-items: stretch; gap: 8px; padding: 16px 18px 12px; }
.vault-bars i { flex: 1; background: var(--border); border-radius: 4px; }
@media (max-width: 800px) {
  .feature-grid { grid-template-columns: 1fr; }
}