:root {
  --color-primary: #f7a501;
  --color-primary-pressed: #dd9001;
  --color-primary-active: #b17816;
  --color-on-primary: #23251d;
  --color-ink: #23251d;
  --color-body: #4d4f46;
  --color-charcoal: #33342d;
  --color-mute: #6c6e63;
  --color-ash: #9b9c92;
  --color-stone: #b6b7af;
  --color-hairline: #bfc1b7;
  --color-hairline-soft: #dcdfd2;
  --color-on-dark: #ffffff;
  --color-canvas: #eeefe9;
  --color-surface-soft: #e5e7e0;
  --color-surface-card: #ffffff;
  --color-surface-doc: #fcfcfa;
  --color-surface-dark: #23251d;
  --color-link-blue: #1d4ed8;
  --color-link-teal: #1078a3;
  --color-accent-blue: #2c84e0;
  --color-accent-blue-soft: #dceaf6;
  --color-accent-red: #cd4239;
  --color-accent-red-soft: #f7d6d3;
  --color-accent-green: #2c8c66;
  --color-accent-green-soft: #d9eddf;
  --color-accent-purple: #7c44a6;
  --color-accent-purple-soft: #e7d8ee;
  --color-focus-ring: rgba(59,130,246,0.5);
  --rounded-none: 0px;
  --rounded-xs: 2px;
  --rounded-sm: 4px;
  --rounded-md: 6px;
  --rounded-lg: 8px;
  --rounded-full: 9999px;
  --space-xxs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-section: 80px;
  --font-display: "IBM Plex Sans Variable", "IBM Plex Sans", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "IBM Plex Sans Variable", "IBM Plex Sans", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "Source Code Pro", "Cascadia Code", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font-body); color: var(--color-body);
  background: var(--color-canvas); font-size: 16px; line-height: 1.5;
}
a { color: var(--color-link-teal); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.header { background: var(--color-canvas); }
.header-inner { display: flex; align-items: center; gap: 20px; min-height: 56px; flex-wrap: wrap; }
.logo { font-weight: 700; color: var(--color-ink); font-size: 18px; display: flex; align-items: center; gap: 8px; }
.logo:hover { text-decoration: none; color: var(--color-ink); }
.logo .hog { width: 36px; height: 28px; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 16px; flex: 1; }
.nav a { color: var(--color-ink); font-weight: 600; font-size: 16px; }
.nav a.on { color: var(--color-ink); box-shadow: inset 0 -2px 0 var(--color-primary); }
.back { margin-left: auto; font-size: 12px; color: var(--color-mute); }
.header-cta {
  background: var(--color-primary); color: var(--color-on-primary);
  border-radius: 6px; padding: 8px 16px; height: 40px;
  display: inline-flex; align-items: center;
  font-size: 14px; font-weight: 700;
}
.header-cta:hover { background: var(--color-primary-pressed); text-decoration: none; color: var(--color-on-primary); }

.hero { padding: 64px 0 48px; }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-body); margin: 0 0 8px; }
.hero h1 { font-size: 36px; font-weight: 700; line-height: 1.5; color: var(--color-ink); margin: 0 0 12px; }
.hero p { margin: 0; max-width: 40em; }
.hero-row { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; align-items: center; }
.hero-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.hog-hero { justify-self: center; width: 180px; height: 140px; }

.btn, form button {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary); color: var(--color-on-primary);
  border: 0; border-radius: 6px; padding: 8px 16px; height: 40px;
  font-family: var(--font-body); font-size: 14px; font-weight: 700; cursor: pointer;
}
.btn:hover, form button:hover { background: var(--color-primary-pressed); text-decoration: none; color: var(--color-on-primary); }
.btn-secondary { background: var(--color-surface-soft); color: var(--color-ink); }
.btn-secondary:hover { color: var(--color-ink); }

.section { padding: 80px 0; }
.section h2 { font-size: 24px; font-weight: 800; letter-spacing: -0.6px; color: var(--color-ink); margin: 0 0 16px; }
.muted { color: var(--color-mute); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  background: #fff; border: 1px solid var(--color-hairline);
  border-radius: 6px; padding: 24px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; font-weight: 600; color: var(--color-ink); }
.card p { margin: 0; font-size: 15px; line-height: 1.71; }
.card .hog { float: right; margin: -8px -8px 8px 8px; }

.tip { border-radius: 6px; padding: 16px 20px; margin: 12px 0; }
.tip.blue { background: var(--color-accent-blue-soft); }
.tip.green { background: var(--color-accent-green-soft); }
.tip.red { background: var(--color-accent-red-soft); }
.tip.purple { background: var(--color-accent-purple-soft); }

.code {
  background: var(--color-surface-dark); color: #fff;
  border-radius: 6px; padding: 16px 20px;
  font-family: var(--font-mono); font-size: 14px; line-height: 1.43;
  overflow: auto;
}
.code .kw { color: #8cb4ff; }
.code .str { color: #9ad4b0; }

.ph {
  background: var(--color-surface-soft); color: var(--color-ash);
  height: 140px; display: flex; align-items: center; justify-content: center;
  font-size: 13px; margin-bottom: 12px; border-radius: 6px;
}
.list { list-style: none; margin: 0; padding: 0; }
.list li { border-bottom: 1px solid var(--color-hairline-soft); padding: 12px 0; }
.list .date { color: var(--color-mute); font-size: 13px; margin-right: 12px; }

form label { display: block; margin: 0 0 4px; font-size: 16px; font-weight: 600; color: var(--color-ink); }
form input, form textarea {
  width: 100%; max-width: 480px; padding: 8px 12px; height: 36px;
  border: 1px solid var(--color-hairline); border-radius: 6px;
  background: #fff; font: inherit; margin-bottom: 12px; color: var(--color-ink);
}
form textarea { height: auto; }
form input:focus, form textarea:focus {
  outline: 3px solid var(--color-focus-ring); border-color: var(--color-accent-blue);
}

.footer {
  background: var(--color-canvas); border-top: 1px solid var(--color-hairline);
  padding: 32px 24px; color: var(--color-body); font-size: 14px;
}
.footer p { margin: 0 0 4px; }
.footer .kicker { margin-bottom: 8px; }

@media (max-width: 900px) {
  .hero-row, .grid, .grid-2 { grid-template-columns: 1fr; }
}

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