:root {
  --color-primary: #76b900;
  --color-on-primary: #000000;
  --color-primary-dark: #5a8d00;
  --color-ink: #000000;
  --color-canvas: #ffffff;
  --color-surface-dark: #000000;
  --color-surface-soft: #f7f7f7;
  --color-surface-elevated: #1a1a1a;
  --color-hairline: #cccccc;
  --color-hairline-strong: #5e5e5e;
  --color-body: #1a1a1a;
  --color-mute: #757575;
  --color-stone: #898989;
  --color-ash: #a7a7a7;
  --color-on-dark: #ffffff;
  --color-on-dark-mute: rgba(255,255,255,0.7);
  --color-link-blue: #0046a4;
  --color-error: #e52020;
  --color-accent-green-pale: #bff230;

  --rounded-none: 0px;
  --rounded-xs: 1px;
  --rounded-sm: 2px;
  --rounded-full: 9999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-section: 64px;

  --font-sans: NVIDIA-EMEA, Inter, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font-sans);
  color: var(--color-body);
  background: var(--color-canvas);
  font-size: 16px;
  line-height: 1.5;
}
a { color: var(--color-link-blue); text-decoration: underline; }
a:hover { color: var(--color-primary-dark); }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.utility {
  background: var(--color-surface-dark);
  color: var(--color-on-dark);
  height: 32px;
  font-size: 12px;
}
.utility .wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 32px;
  gap: 16px;
}
.utility a { color: var(--color-on-dark); text-decoration: none; }

.header {
  background: var(--color-surface-dark);
  color: var(--color-on-dark);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 64px;
}
.logo {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}
.logo:hover { text-decoration: none; color: var(--color-primary); }
.nav { display: flex; flex-wrap: wrap; gap: 4px 20px; flex: 1; }
.nav a { color: var(--color-on-dark); text-decoration: none; font-weight: 700; font-size: 16px; }
.nav a.on { color: var(--color-primary); }
.back { margin-left: auto; font-size: 12px; color: var(--color-ash); text-decoration: none; }

.hero {
  background: var(--color-surface-dark);
  color: var(--color-on-dark);
  padding: 80px 0 64px;
  position: relative;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 12px;
  max-width: 16ch;
}
.hero p { margin: 0 0 24px; color: var(--color-on-dark-mute); max-width: 40em; font-size: 22px; font-weight: 400; line-height: 1.75; }
.hero.page {
  background: var(--color-canvas);
  color: var(--color-ink);
  padding: 48px 0 16px;
}
.hero.page h1 { color: var(--color-ink); font-size: 36px; }
.hero.page p { color: var(--color-mute); font-size: 16px; }

.crumb {
  background: var(--color-surface-soft);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 14px 0;
  color: var(--color-body);
}

.section { padding: 64px 0; }
.section.soft { background: var(--color-surface-soft); }
.section h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 24px;
}
.muted { color: var(--color-mute); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: var(--color-canvas);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: 24px;
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
}
.card h3 { margin: 8px 0 8px; font-size: 17px; font-weight: 700; }
.card p { margin: 0; color: var(--color-mute); font-size: 15px; line-height: 1.67; }
.card .more {
  display: inline-block;
  margin-top: 12px;
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 14px;
}

.stat h3 { font-size: 36px; color: var(--color-primary); margin: 8px 0 4px; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { border-bottom: 1px solid var(--color-hairline); padding: 16px 0; }
.list .date { color: var(--color-mute); font-size: 14px; margin-right: 12px; font-weight: 700; text-transform: uppercase; }

.ph {
  background: var(--color-surface-soft);
  color: var(--color-ash);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin: 0 -24px 16px;
  border-radius: 0;
}

.btn, button, .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  padding: 11px 24px;
  height: 44px;
  border: 0;
  border-radius: var(--rounded-sm);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover, .btn-primary:hover { text-decoration: none; color: #000; background: var(--color-primary-dark); }
.btn-outline {
  background: transparent;
  color: var(--color-ink);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover { color: var(--color-ink); }
.btn-outline-dark {
  background: transparent;
  color: #fff;
  border: 1px solid #fff;
}
.btn-outline-dark:hover { color: #fff; }

.cta-dark {
  background: var(--color-surface-dark);
  color: #fff;
  padding: 64px 0;
}
.cta-dark h2 { color: #fff; margin: 0 0 16px; font-size: 24px; }

form label { display: block; margin: 0 0 4px; font-size: 14px; font-weight: 700; }
form input, form textarea {
  width: 100%;
  max-width: 480px;
  padding: 12px 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  font: inherit;
  margin-bottom: 12px;
  min-height: 44px;
}
form input:focus, form textarea:focus {
  outline: none;
  border: 2px solid var(--color-primary);
}

.footer {
  background: var(--color-surface-dark);
  color: var(--color-on-dark-mute);
  padding: 64px 0 40px;
  font-size: 15px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 32px; }
.footer h3 { margin: 0 0 12px; font-size: 16px; color: #fff; font-weight: 700; }
.footer a { color: var(--color-on-dark-mute); text-decoration: none; display: block; margin: 6px 0; }
.legal { font-size: 10px; font-weight: 700; text-transform: uppercase; color: var(--color-mute); }

@media (max-width: 800px) {
  .grid, .grid-2, .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .nav { display: none; }
}

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