/* ILANG
   TYPE:asset ROLE:stylesheet
   ::RULE{只用系统字体⇒不许引外部字体或 CDN 省一次第三方请求}
   ::RULE{只用 CSS⇒不许依赖任何框架}
   ::BOUNDARY{never:用样式隐藏价格或来源链接|scope:file} */

:root {
  color-scheme: dark;
  --bg: #0a0d13;
  --bg-soft: #0e131c;
  --panel: #121926;
  --panel-2: #172033;
  --line: #212c3d;
  --line-2: #2e3b50;
  --text: #e9eff8;
  --muted: #93a3b8;
  --dim: #64748b;
  --accent: #f6821f;
  --accent-2: #ffb46b;
  --accent-ink: #1a1206;
  --ok: #3fb950;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -18px rgba(0, 0, 0, .75);
  --ring: 0 0 0 3px rgba(246, 130, 31, .35);
  --maxw: 1060px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 12% -12%, rgba(246, 130, 31, .10), transparent 60%),
    radial-gradient(900px 480px at 88% -6%, rgba(88, 132, 255, .10), transparent 62%),
    var(--bg);
  color: var(--text);
  font: 16.5px/1.68 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

code {
  font: 13.5px/1.4 var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 5px;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px 72px; }

/* ---------------------------------------------------------------- header */

header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
}

header.site .wrap { padding: 14px 22px 12px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.01em;
}

.brand::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), #ff5d3b);
  box-shadow: 0 0 0 2px rgba(246, 130, 31, .18), 0 0 18px rgba(246, 130, 31, .45);
}

nav.crumbs {
  margin-top: 8px;
  font-size: 14px;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 4px;
}

nav.crumbs a { color: var(--muted); }
nav.crumbs a:hover { color: var(--accent); }

/* ------------------------------------------------------------------ type */

h1 {
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 34px 0 10px;
}

h2 {
  font-size: 19px;
  letter-spacing: -.01em;
  margin: 38px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

p { margin: 0 0 12px; }
p.lede { color: var(--muted); font-size: 17px; margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 14.5px; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
li::marker { color: var(--accent); }

/* ------------------------------------------------------------------ hero */

.hero {
  margin: 30px 0 10px;
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(700px 240px at 8% 0%, rgba(246, 130, 31, .14), transparent 62%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow);
}

.hero h1 { margin-top: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 22px 0 6px; }

.stats > div {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}

.stats b { display: block; font-size: 24px; letter-spacing: -.02em; }
.stats span { display: block; margin-top: 2px; }

/* ----------------------------------------------------------------- cards */

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(224px, 1fr)); gap: 14px; margin-top: 14px; }

.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.card:hover { transform: translateY(-2px); border-color: var(--line-2); box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: -.01em; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent); }

/* ----------------------------------------------------------------- table */

.table-shell { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }

table { width: 100%; border-collapse: collapse; background: var(--panel); margin: 14px 0 0; }
.table-shell table { margin: 0; border: none; }

th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 15px; vertical-align: middle; }

th {
  color: var(--dim);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .07em;
  background: var(--bg-soft);
  position: sticky;
  top: 0;
}

tbody tr { transition: background .14s ease; }
tbody tr:hover { background: var(--panel-2); }
tr:last-child td { border-bottom: none; }

.price { font: 600 15.5px/1.2 var(--mono); color: var(--text); white-space: nowrap; }
td.price { color: var(--accent-2); }
.price.big { font-size: 26px; color: var(--accent); margin: 8px 0 2px; }

/* ----------------------------------------------------------------- button */

.btn {
  display: inline-block;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, .18);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, var(--shadow-sm);
  transition: transform .12s ease, filter .12s ease;
  white-space: nowrap;
}

.btn:hover { text-decoration: none; filter: brightness(1.06); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.cta {
  display: inline-block;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: var(--accent-ink);
  font-weight: 800;
  padding: 13px 22px;
  border-radius: 10px;
  font-size: 16px;
  margin: 10px 0 4px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .25) inset, var(--shadow);
}
.cta:hover { text-decoration: none; filter: brightness(1.06); }

/* ------------------------------------------------------------------ misc */

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin: 20px 0; }
.facts > div { background: linear-gradient(180deg, var(--panel-2), var(--panel)); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.facts b { display: block; font: 700 20px/1.3 var(--mono); }
.facts span { display: block; margin-top: 3px; }

dl {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 10px 18px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin: 20px 0;
}
dt { color: var(--dim); }
dd { margin: 0; word-break: break-word; }

.mail { display: inline-block; font: 800 21px/1.2 var(--mono); margin: 8px 0 2px; }

footer.site { border-top: 1px solid var(--line); margin-top: 52px; padding-top: 22px; }
footer.site p { margin: 0 0 7px; }
footer.site strong { color: var(--text); }

/* --------------------------------------------------------- pixel critters */

.critter {
  position: fixed;
  right: 18px;
  bottom: 16px;
  z-index: 30;
  width: 104px;
  height: 104px;
  pointer-events: none;
}

.critter canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  cursor: pointer;
  pointer-events: auto;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, .5));
  transition: transform .18s ease;
}

.critter canvas:hover { transform: translateY(-3px); }

.critter .hider {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-2);
  border-radius: 6px;
  background: var(--panel);
  color: var(--dim);
  font: 700 12px/1 var(--font);
  cursor: pointer;
  pointer-events: auto;
  opacity: 0;
  transition: opacity .15s ease, color .15s ease;
}

.critter:hover .hider { opacity: 1; }
.critter .hider:hover { color: var(--accent); }

/* ------------------------------------------------------------ responsive */

@media (max-width: 680px) {
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border: none; padding: 5px 0; }
  tr { border-bottom: 1px solid var(--line); padding: 12px 2px; }
  tr:last-child { border-bottom: none; }
  .table-shell { border: none; box-shadow: none; }
  table { background: transparent; }
  dl { grid-template-columns: 1fr; gap: 4px 0; }
  dt { margin-top: 8px; }
  .critter { width: 84px; height: 84px; right: 12px; bottom: 10px; }
  .hero { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .card:hover, .btn:hover, .critter canvas:hover { transform: none; }
}