: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-gradient-violet: #6a4cf5;
  --color-gradient-magenta: #d44df0;
  --font-display: "GT Walsheim Medium", 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-md: 10px;
  --rounded-xl: 20px;
  --rounded-xxl: 30px;
  --rounded-pill: 100px;
}

* { box-sizing: border-box; }
html { background: #000; }
body {
  margin: 0 auto;
  max-width: 390px;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-canvas);
  line-height: 1.3;
  font-size: 15px;
  padding-bottom: 64px;
}
a { color: var(--color-accent-blue); text-decoration: none; }

.top {
  height: 56px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-family: var(--font-display); font-weight: 500; color: var(--color-ink); }
.back { font-size: 12px; color: var(--color-ink-muted); }

.hero { padding: 32px 16px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -1px;
  line-height: 1.05;
  margin: 0 0 8px;
  color: var(--color-ink);
}
.hero p { margin: 0; color: var(--color-ink-muted); }

.block { padding: 16px; }
.block h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.8px;
  margin: 0 0 12px;
}

.cell {
  display: block;
  background: var(--color-surface-1);
  border-radius: var(--rounded-xl);
  padding: 16px;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.cell h3 { margin: 0 0 4px; font-size: 16px; }
.cell p { margin: 0; color: var(--color-ink-muted); font-size: 13px; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
}
.row:last-child { border-bottom: 0; }
.row span { color: var(--color-ink-muted); }

.ph {
  background: var(--color-surface-2);
  color: var(--color-ink-muted);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: var(--rounded-xl);
}

.spot {
  margin: 8px 16px;
  padding: 24px;
  border-radius: var(--rounded-xxl);
  background: radial-gradient(120% 140% at 10% 0%, #9b7cff, var(--color-gradient-violet));
  color: var(--color-ink);
}

form label { display: block; margin: 0 0 4px; color: var(--color-ink-muted); font-size: 13px; }
form input, form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface-1);
  color: var(--color-ink);
  border-radius: var(--rounded-md);
  font-family: var(--font-body);
  margin-bottom: 12px;
}
form button {
  width: 100%;
  padding: 10px 15px;
  border: 0;
  border-radius: var(--rounded-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-body);
  font-weight: 500;
}

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  background: var(--color-canvas);
  border-top: 1px solid var(--color-hairline);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-size: 11px;
  color: var(--color-ink-muted);
}
.tab a.on { color: var(--color-ink); font-weight: 500; }

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