:root {
  --color-primary: #f7f5f0;
  --color-on-primary: #2b2622;
  --color-ink: #f7f5f0;
  --color-body: #c9c0ad;
  --color-body-strong: #dad2c1;
  --color-mute: #aea69c;
  --color-canvas: #2b2622;
  --color-canvas-soft: #383330;
  --color-hairline: #3f3a36;
  --rounded-none: 0px;
  --rounded-xxs: 1px;
  --rounded-xs: 2px;
  --rounded-sm: 3px;
  --rounded-md: 4px;
  --rounded-lg: 6px;
  --rounded-pill: 9999px;
  --rounded-full: 9999px;
  --space-xxs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 10px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;
  --space-5xl: 96px;
  --font: Inter, system-ui, Segoe UI, PingFang SC, Microsoft YaHei, sans-serif;
  --font-serif: "Instrument Serif", Georgia, "Times New Roman", serif, system-ui, Segoe UI, PingFang SC, Microsoft YaHei;
  --font-mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  color: var(--color-ink);
  background: var(--color-canvas);
  line-height: 1.5;
  font-size: 16px;
}
a { color: var(--color-ink); text-decoration: none; }
a:hover { color: #fff; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 var(--space-xl); }

.header { background: var(--color-canvas); }
.header-inner {
  display: flex; align-items: center; gap: 16px;
  min-height: 56px; flex-wrap: wrap; padding: 10px 0;
}
.logo { color: var(--color-ink); font-weight: 500; font-size: 15px; letter-spacing: -0.3px; }
.logo:hover { text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 8px; flex: 1; }
.nav a {
  color: var(--color-ink); font-size: 14px; font-weight: 500;
  padding: 4px 10px; border-radius: 3px;
}
.nav a.on { background: var(--color-canvas-soft); }
.back { margin-left: auto; font-size: 12px; color: var(--color-mute); }

.hero { padding: 80px 0 72px; }
.hero .eyebrow { font-size: 12px; color: var(--color-mute); margin: 0 0 12px; }
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 400; line-height: 1.1;
  letter-spacing: -1.6px;
  max-width: 16ch;
}
.hero .serif {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.5px;
  color: var(--color-body-strong); display: block; margin: 8px 0 16px; font-weight: 400;
}
.hero p { margin: 0 0 24px; color: var(--color-body); max-width: 40em; font-size: 18px; line-height: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.term-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.term {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: 4px; padding: 16px;
  font-family: var(--font-mono); font-size: 13px; line-height: 18px;
  color: var(--color-body-strong); min-height: 140px;
}
.term .bar { color: var(--color-mute); margin-bottom: 10px; font-size: 12px; }
.term .g { color: #dad2c1; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 3px;
  font: inherit; font-size: 14px; font-weight: 500; line-height: 20px;
  cursor: pointer; border: 0;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-ghost { background: transparent; color: var(--color-ink); }

.section { padding: 72px 0; }
.section h2 {
  font-size: 32px; font-weight: 500; line-height: 40px;
  letter-spacing: -0.8px; margin: 0 0 24px;
}
.eyebrow { font-size: 12px; color: var(--color-mute); margin: 0 0 8px; }
.muted { color: var(--color-body); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  background: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: 4px;
  padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 24px; font-weight: 500; letter-spacing: -0.4px; }
.card p { margin: 0; color: var(--color-body); font-size: 14px; }
.card.stat h3 { font-size: 32px; font-weight: 400; letter-spacing: -0.8px; }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  border-bottom: 1px solid var(--color-hairline);
  padding: 16px 0; color: var(--color-body);
}
.list li:last-child { border-bottom: 0; }
.list .date { color: var(--color-mute); font-size: 12px; margin-right: 12px; }

.ph {
  background: var(--color-canvas-soft); color: var(--color-mute);
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 13px; margin-bottom: 12px; border-radius: 4px;
  border: 1px solid var(--color-hairline);
}

form label { display: block; margin: 0 0 4px; font-size: 14px; color: var(--color-body); }
form input, form textarea {
  width: 100%; max-width: 480px; padding: 8px 10px;
  border: 1px solid var(--color-hairline); border-radius: 3px;
  font: inherit; margin-bottom: 12px;
  background: var(--color-canvas-soft); color: var(--color-ink);
}
form button { background: var(--color-primary); color: var(--color-on-primary); }

.footer {
  padding: 48px 0 64px; color: var(--color-body); font-size: 14px;
  border-top: 1px solid var(--color-hairline);
}
.footer p { margin: 0 0 6px; }

@media (max-width: 720px) {
  .grid, .grid-2, .term-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 36px; letter-spacing: -1px; }
}

.ph { overflow: hidden; }
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }