:root {
  --color-primary: #1c1c1c;
  --color-on-primary: #fcfbf8;
  --color-canvas: #f7f4ed;
  --color-offwhite: #fcfbf8;
  --color-ink: #1c1c1c;
  --color-ink-83: rgba(28, 28, 28, 0.83);
  --color-ink-82: rgba(28, 28, 28, 0.82);
  --color-muted: #5f5f5d;
  --color-ink-40: rgba(28, 28, 28, 0.4);
  --color-ink-04: rgba(28, 28, 28, 0.04);
  --color-ink-03: rgba(28, 28, 28, 0.03);
  --color-border: #eceae4;
  --color-ring: rgba(59, 130, 246, 0.5);
  --shadow-inset: rgba(255,255,255,0.2) 0px 0.5px 0px 0px inset, rgba(0,0,0,0.2) 0px 0px 0px 0.5px inset, rgba(0,0,0,0.05) 0px 1px 2px 0px;
  --shadow-focus: rgba(0,0,0,0.1) 0px 4px 12px;
  --rounded-sm: 4px;
  --rounded-md: 6px;
  --rounded-card: 12px;
  --rounded-lg: 16px;
  --rounded-pill: 9999px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-section: 96px;
  --font-display: "Camera Plain Variable", ui-sans-serif, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Camera Plain Variable", ui-sans-serif, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font-body);
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}
a { color: var(--color-ink); text-decoration: underline; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.header {
  background: var(--color-canvas);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 64px;
  flex-wrap: wrap;
}
.logo {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.3px;
}
.logo:hover { text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 22px; flex: 1; }
.nav a { color: var(--color-ink); font-size: 14px; text-decoration: none; }
.nav a.on { font-weight: 600; }
.back { margin-left: auto; font-size: 13px; color: var(--color-muted); text-decoration: none; }

.eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.hero {
  padding: 96px 0 48px;
  background:
    radial-gradient(900px 240px at 20% 0%, rgba(255, 180, 140, 0.18), transparent 60%),
    radial-gradient(700px 220px at 80% 10%, rgba(160, 190, 255, 0.16), transparent 55%),
    var(--color-canvas);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 60px;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin: 0 0 18px;
  max-width: 14ch;
}
.hero p {
  margin: 0 0 28px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.38;
  max-width: 38em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.btn,
form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  padding: 8px 16px;
  border-radius: var(--rounded-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary,
form button {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-inset);
}
.btn-primary:active,
form button:active { opacity: 0.8; }
.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink-40);
}

.section { padding: 80px 0; }
.section h2 {
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -1.2px;
  margin: 0 0 28px;
}
.muted { color: var(--color-muted); }

.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);
  border: 1px solid var(--color-border);
  border-radius: var(--rounded-card);
  padding: 24px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.25;
}
.card p { margin: 0; color: var(--color-muted); font-size: 14px; }

.prompt {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 20px;
  background: var(--color-canvas);
  margin-top: 24px;
}
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pills span {
  border: 1px solid var(--color-border);
  border-radius: var(--rounded-pill);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--color-muted);
}

.ph {
  background: var(--color-ink-04);
  color: var(--color-muted);
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
}
.list .date { color: var(--color-muted); font-size: 13px; min-width: 7em; }

.cta-banner {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 48px;
}

form label { display: block; margin: 0 0 4px; font-size: 14px; }
form input, form textarea {
  width: 100%;
  max-width: 480px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  background: var(--color-canvas);
  color: var(--color-ink);
  font: inherit;
  margin-bottom: 12px;
  border-radius: 6px;
}
form input:focus, form textarea:focus {
  outline: 2px solid var(--color-ring);
  outline-offset: 1px;
}

.footer {
  padding: 64px 0 80px;
  color: var(--color-muted);
  font-size: 14px;
  border-top: 1px solid var(--color-border);
}
.footer p { margin: 0 0 4px; }

@media (max-width: 800px) {
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; letter-spacing: -0.9px; }
  .section h2 { font-size: 32px; }
}

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