:root {
  --color-primary: #ffffff;
  --color-on-primary: #000000;
  --color-accent-blue: #0099ff;
  --color-ink: #ffffff;
  --color-ink-muted: #999999;
  --color-canvas: #090909;
  --color-surface-1: #141414;
  --color-surface-2: #1c1c1c;
  --color-hairline: #262626;
  --color-hairline-soft: #1a1a1a;
  --color-inverse-canvas: #ffffff;
  --color-inverse-ink: #000000;
  --color-gradient-magenta: #d44df0;
  --color-gradient-violet: #6a4cf5;
  --color-gradient-orange: #ff7a3d;
  --color-gradient-coral: #ff5577;
  --color-semantic-success: #22c55e;

  --font-display: "GT Walsheim Medium", "GT Walsheim", Geist, Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 10px;
  --rounded-lg: 15px;
  --rounded-xl: 20px;
  --rounded-xxl: 30px;
  --rounded-pill: 100px;
  --rounded-full: 9999px;

  --space-hair: 1px;
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 15px;
  --space-lg: 20px;
  --space-xl: 30px;
  --space-xxl: 40px;
  --space-section: 96px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font-body);
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.15px;
  font-feature-settings: "cv11", "cv05", "ss03";
}
a { color: var(--color-accent-blue); text-decoration: none; }
img { max-width: 100%; }

.wrap { max-width: 1199px; margin: 0 auto; padding: 0 30px; }

.header {
  background: var(--color-canvas);
  height: 56px;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 56px;
  flex-wrap: wrap;
}
.logo {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.5px;
  color: var(--color-ink);
}
.nav { display: flex; flex-wrap: wrap; gap: 4px 20px; flex: 1; }
.nav a {
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 500;
}
.nav a.on { color: var(--color-ink); }
.back { margin-left: auto; font-size: 13px; color: var(--color-ink-muted); }

.hero {
  padding: 96px 0 80px;
  text-align: left;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 85px;
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -4.25px;
  margin: 0 0 20px;
  max-width: 12ch;
  color: var(--color-ink);
}
.hero p {
  margin: 0 0 30px;
  color: var(--color-ink-muted);
  font-size: 18px;
  max-width: 36em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.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: var(--rounded-pill);
  padding: 10px 15px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.14px;
  cursor: pointer;
}
.btn:hover, form button:hover { text-decoration: none; color: var(--color-on-primary); }
.btn-secondary {
  background: var(--color-surface-1);
  color: var(--color-ink);
}

.section { padding: 96px 0; }
.section h2 {
  font-family: var(--font-display);
  font-size: 62px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -3.1px;
  margin: 0 0 40px;
}
.muted { color: var(--color-ink-muted); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.card {
  background: var(--color-surface-1);
  border-radius: var(--rounded-xl);
  padding: 24px;
  color: var(--color-ink);
}
.card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.8px;
}
.card p { margin: 0; color: var(--color-ink-muted); }

.spotlight {
  border-radius: var(--rounded-xxl);
  padding: 32px;
  min-height: 180px;
  color: var(--color-ink);
}
.spotlight h3 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -1px;
  margin: 0 0 8px;
}
.spotlight p { margin: 0; font-size: 24px; font-weight: 400; }
.violet { background: radial-gradient(120% 140% at 10% 0%, #9b7cff, var(--color-gradient-violet)); }
.magenta { background: radial-gradient(120% 140% at 90% 10%, #ff8af5, var(--color-gradient-magenta)); }
.orange { background: radial-gradient(120% 140% at 0% 100%, #ffb070, var(--color-gradient-orange)); }
.coral { background: radial-gradient(120% 140% at 100% 0%, #ff8aa0, var(--color-gradient-coral)); }

.ph {
  background: var(--color-surface-2);
  color: var(--color-ink-muted);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: var(--rounded-lg);
}

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  border-bottom: 1px solid var(--color-hairline-soft);
  padding: 24px 0;
  font-size: 15px;
}
.list .date { color: var(--color-ink-muted); margin-right: 16px; font-size: 13px; }

form label { display: block; margin: 0 0 4px; font-size: 13px; color: var(--color-ink-muted); }
form input, form textarea {
  width: 100%;
  max-width: 480px;
  padding: 10px 14px;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface-1);
  color: var(--color-ink);
  font-family: var(--font-body);
  border-radius: var(--rounded-md);
  margin-bottom: 12px;
}
form input:focus, form textarea:focus {
  outline: none;
  box-shadow: 0 0 0 1px rgba(0,153,255,0.15);
}

.footer {
  padding: 64px 0 40px;
  color: var(--color-ink-muted);
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.footer h3 { margin: 0 0 12px; color: var(--color-ink); font-size: 13px; font-weight: 500; }
.footer a { display: block; color: var(--color-ink-muted); margin-bottom: 8px; }
.footer p { margin: 0 0 4px; }

@media (max-width: 810px) {
  .hero h1 { font-size: 32px; letter-spacing: -1px; }
  .section h2 { font-size: 32px; letter-spacing: -1px; }
  .grid, .grid-2, .footer-grid { grid-template-columns: 1fr; }
}

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