:root {
  --bg: #050814;
  --ink: #e7f3ff;
  --muted: #8ea4c0;
  --line: rgba(110, 196, 255, 0.18);
  --accent: #3ee0ff;
  --violet: #8d7bff;
  --stamp: #ffb15a;
  --solid: #07131f;
  --solid-ink: #041018;
  --glass: rgba(8, 16, 32, 0.62);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Bahnschrift, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 12% -10%, rgba(61, 120, 255, 0.28), transparent 60%),
    radial-gradient(700px 420px at 100% 0%, rgba(141, 123, 255, 0.22), transparent 55%),
    var(--bg);
}

.stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.55;
}

.orb-a {
  width: 280px;
  height: 280px;
  left: -60px;
  top: 18%;
  background: radial-gradient(circle, rgba(62, 224, 255, 0.45), transparent 68%);
  animation: drift 14s ease-in-out infinite;
}

.orb-b {
  width: 340px;
  height: 340px;
  right: -80px;
  bottom: 8%;
  background: radial-gradient(circle, rgba(141, 123, 255, 0.4), transparent 68%);
  animation: drift 18s ease-in-out infinite reverse;
}

.grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(120, 190, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 190, 255, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 75%);
  animation: pan 22s linear infinite;
}

.scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 18%;
  background: linear-gradient(180deg, transparent, rgba(62, 224, 255, 0.08), transparent);
  animation: sweep 7.5s linear infinite;
}

.shell { position: relative; z-index: 1; }

.top, main, footer { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0 8px;
  gap: 16px;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 26px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--ink);
}
.mark img {
  height: 42px;
  width: 42px;
  border-radius: 10px;
  object-fit: cover;
}
.mark span {
  background: linear-gradient(90deg, #fff, var(--accent) 55%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

nav { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

nav a, nav button, .actions a, .card button, .solid, .inline button {
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(8, 18, 36, 0.72);
  color: var(--ink);
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

nav a:hover, nav button:hover, .actions a:hover, .card button:hover, .inline button:hover {
  transform: translateY(-1px);
  border-color: rgba(62, 224, 255, 0.7);
  box-shadow: 0 0 18px rgba(62, 224, 255, 0.18);
}

.solid, nav a.solid, .card button.solid, .actions a.solid {
  background: linear-gradient(90deg, #3ee0ff, #6aa6ff 55%, #8d7bff);
  color: var(--solid-ink);
  border-color: transparent;
  font-weight: 700;
}

main { padding: 28px 0 48px; }

.hero, .card, .quote div, .rules article, .table-block, .flash {
  animation: rise 0.7s ease both;
}

.quote div:nth-child(2), .rules article:nth-child(2) { animation-delay: 0.08s; }
.quote div:nth-child(3), .rules article:nth-child(3) { animation-delay: 0.16s; }

.hero {
  position: relative;
  padding: 8px 0 4px;
}

.hero h1, .card h1, .table-block h2, .card h2 {
  font-weight: 650;
  letter-spacing: -0.03em;
}

.hero h1, .card h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  margin: 8px 0 16px;
}

.hero h1 small { font-size: 0.42em; letter-spacing: 0.08em; color: var(--accent); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3dffb0;
  box-shadow: 0 0 12px #3dffb0;
  animation: blink 1.6s ease-in-out infinite;
}

.lede { max-width: 680px; font-size: 18px; color: #c5d7ea; }

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

.quote, .rules {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}
.quote { grid-template-columns: repeat(3, 1fr); }
.rules { grid-template-columns: repeat(4, 1fr); }
.loop {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  width: min(1080px, calc(100% - 32px));
  margin: 4px auto 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.loop a { color: var(--accent); text-decoration: none; }

.quote div, .rules article, .card, .table-block {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 16px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(10px);
}

.quote div, .rules article { padding: 18px 18px 14px; }

.quote strong, .rules h2 {
  display: block;
  margin: 6px 0;
  font-size: 32px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 18px rgba(62, 224, 255, 0.25);
}

.quote span, .quote em, .rules p { color: var(--muted); font-style: normal; }

.card {
  width: min(460px, 100%);
  display: grid;
  gap: 14px;
  padding: 20px;
  margin-top: 22px;
}

.card.wide { width: min(760px, 100%); }
.card h1 { font-size: 42px; }
.card h2 { margin: 0; }

.inline { display: flex; gap: 8px; align-items: center; }
.inline input { width: 96px; }

label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }

input {
  border: 1px solid var(--line);
  background: rgba(3, 8, 18, 0.72);
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
  border-radius: 12px;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(62, 224, 255, 0.15);
}

.flash {
  border: 1px solid rgba(255, 177, 90, 0.5);
  color: var(--stamp);
  padding: 10px 12px;
  margin-bottom: 18px;
  border-radius: 12px;
}

.table-block { margin-top: 22px; padding: 18px 18px 8px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }

th, td {
  text-align: left;
  padding: 10px 8px 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; letter-spacing: 0.04em; }

tbody tr { transition: background 0.2s ease; }
tbody tr:hover { background: rgba(62, 224, 255, 0.05); }

.mono, .address { font-family: Consolas, "Courier New", monospace; word-break: break-all; }

.address {
  font-size: 20px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(3, 10, 20, 0.8);
  color: var(--accent);
}

.facts { padding-left: 18px; color: #c5d7ea; }
.empty { color: var(--muted); }

footer { color: var(--muted); font-size: 13px; padding-bottom: 40px; }
footer a { color: var(--accent); }

@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(24px, -28px, 0); }
}

@keyframes pan {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(56px, 56px, 0); }
}

@keyframes sweep {
  from { top: -20%; }
  to { top: 110%; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (max-width: 800px) {
  .quote, .rules { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .top { align-items: flex-start; flex-direction: column; }
}

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