:root {
  --bg: #0E0F13;
  --panel: #16181F;
  --panel2: #181B23;
  --line: #23252E;
  --text: #F5F5F2;
  --mut: #9DA0AC;
  --dim: #6B6E7C;
  --red: #FF5A52;
  --red-dk: #D93B33;
  --green: #2EBD85;
  --green-dk: #1F9A6B;
  --amber: #FBBF24;
  --blue: #60A5FA;
  --pink: #F472B6;
  --ridge1: #161B26;
  --ridge2: #1B212E;
  --ridge3: #2C3444;
}

body.ah {
  --bg: #120D1A;
  --panel: #1C1426;
  --panel2: #211830;
  --line: #322441;
  --red: #F472B6;
  --red-dk: #D6559B;
  --ridge1: #1A1226;
  --ridge2: #221833;
  --ridge3: #3A2A52;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Archivo', 'Segoe UI', 'Microsoft YaHei', sans-serif;
  transition: background 0.6s;
}
.mono { font-family: 'JetBrains Mono', Consolas, monospace; }
.red { color: var(--red); }
.amber { color: var(--amber); }
.blue { color: var(--blue); }
.pink { color: var(--pink); }
.dim { color: var(--dim); }
a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 5vw;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.logo { font-size: 15px; color: var(--red); font-weight: 700; }
.topbar nav { display: flex; gap: 20px; align-items: center; font-size: 12px; color: var(--mut); }
.topbar nav a:hover { color: var(--text); }
.ah-link {
  background: none; border: none; cursor: pointer;
  font-size: 12px; color: var(--pink); padding: 0;
}
.ah-link:hover { text-shadow: 0 0 12px var(--pink); }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner {
  position: relative; z-index: 1;
  display: flex; gap: 24px; align-items: center;
  max-width: 1100px; margin: 0 auto;
  padding: 64px 5vw 48px;
}
.hero-left { flex: 0 0 54%; }
.kicker { font-size: 12px; color: var(--red); margin-bottom: 18px; letter-spacing: 0.5px; }
.pulse-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--red); margin-right: 6px;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 800; line-height: 1.02; letter-spacing: -1px;
}
h1.outline {
  color: transparent;
  -webkit-text-stroke: 1.5px #7B7E8C;
  margin-top: 4px;
}
h1.outline .pink { -webkit-text-stroke: 0; }
.whoami { font-size: 13px; color: var(--mut); margin-top: 22px; min-height: 20px; }
.cursor { color: var(--red); animation: pulse 1s step-end infinite; }

.hero-right { flex: 1; min-width: 0; }
.chart-label { font-size: 11px; color: var(--dim); text-align: right; margin-bottom: 4px; }
#kchart { width: 100%; display: block; }
#kchart .grid { stroke: #1F222B; stroke-width: 1; }
body.ah #kchart .grid { stroke: #2A2038; }
#kchart .axis { font-size: 9px; font-family: 'JetBrains Mono', monospace; fill: var(--dim); }
#kchart g.candle { cursor: pointer; opacity: 0; transform: translateY(6px); transition: opacity 0.35s, transform 0.35s; }
#kchart g.candle.on { opacity: 1; transform: none; }
#maline { stroke: var(--amber); stroke-width: 1.6; opacity: 0.9; }

#ktip {
  display: none; position: absolute; width: 210px;
  background: var(--panel2); border: 1px solid var(--red);
  border-radius: 8px; padding: 10px 12px;
  pointer-events: none; z-index: 6;
}
#ktipd { font-size: 10px; color: #FF8A80; }
body.ah #ktipd { color: #F9A8D4; }
#ktipt { font-size: 13px; font-weight: 600; margin: 3px 0 2px; }
#ktipx { font-size: 11px; color: var(--mut); line-height: 1.5; }

.ticker { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; padding: 9px 0; }
.ticker-track { display: inline-block; white-space: nowrap; animation: tick 26s linear infinite; font-size: 12.5px; color: var(--mut); }
.ticker-track span { margin-right: 40px; }
.ticker-track b { font-weight: 700; }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px; max-width: 1100px; margin: 0 auto; padding: 36px 5vw 8px;
}
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px 16px; }
.num { font-size: 26px; font-weight: 700; color: var(--red); }
.lab { font-size: 12px; color: var(--mut); margin-top: 4px; }

.sec { max-width: 1100px; margin: 0 auto; padding: 56px 5vw 8px; }
.sec-title { font-size: 15px; letter-spacing: 1px; margin-bottom: 6px; }
.sec-sub { font-size: 13px; color: var(--mut); margin-bottom: 20px; }

.tl { margin-top: 22px; border-left: 1px solid var(--line); padding-left: 26px; display: grid; gap: 22px; }
.tl-item { position: relative; }
.tl-item::before {
  content: ''; position: absolute; left: -31px; top: 6px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--red);
}
.tl-item.edu::before { border-color: var(--blue); }
.tl-date { font-size: 11px; color: var(--dim); }
.tl-item h3 { font-size: 16px; margin: 4px 0 6px; font-weight: 500; }
.tl-item p { font-size: 13.5px; color: var(--mut); line-height: 1.7; max-width: 720px; }
.tag {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--red); border: 1px solid var(--red);
  border-radius: 3px; padding: 2px 7px; margin-left: 8px;
  vertical-align: 2px;
}
.tl-item.edu .tag { color: var(--blue); border-color: var(--blue); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 22px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 20px;
  transition: transform 0.25s, border-color 0.25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--red); }
.card-k { font-size: 10px; letter-spacing: 1px; margin-bottom: 8px; }
.card h3 { font-size: 15.5px; font-weight: 500; margin-bottom: 8px; }
.card p { font-size: 13px; color: var(--mut); line-height: 1.7; }
.stack { font-size: 11px; color: var(--dim); margin-top: 12px; }
.card.soon { border-style: dashed; }

.tickets { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 22px; }
.ticket {
  background: var(--panel); border: 1px dashed var(--amber);
  border-radius: 10px; padding: 18px;
  transition: transform 0.25s;
}
.ticket:hover { transform: rotate(-1.2deg) translateY(-3px); }
.ticket .t-date { font-size: 10px; color: var(--amber); margin-bottom: 6px; }
.ticket h3 { font-size: 14.5px; font-weight: 500; margin-bottom: 6px; }
.ticket p { font-size: 12.5px; color: var(--mut); }
.ticket.ghost { opacity: 0.55; }

.ah-sec .ah-card { border-color: #4A2340; }
.ah-sec .ah-card:hover { border-color: var(--pink); }

.footer {
  margin-top: 64px; padding: 26px 5vw;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12px; color: var(--dim);
}
.footer .links a:hover { color: var(--red); }

@media (max-width: 760px) {
  .hero-inner { flex-direction: column; align-items: stretch; padding-top: 44px; }
  .hero-left { flex: none; }
  .topbar nav a { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}