:root {
  --color-primary: #000000;
  --color-dark-surface: #1a1a1a;
  --color-white: #ffffff;
  --color-cool-cloud: #e9ecf2;
  --color-border-dark: #27272a;
  --color-charcoal: #404040;
  --color-cool-slate: #767d88;
  --color-mid-slate: #7d848e;
  --color-muted: #a7a7a7;
  --rounded-sharp: 4px;
  --rounded-md: 8px;
  --font-display: abcNormal, Inter, "DM Sans", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: abcNormal, Inter, "DM Sans", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: #111; }
body {
  margin: 0 auto;
  max-width: 390px;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-white);
  background: var(--color-primary);
  line-height: 1.3;
  letter-spacing: -0.16px;
  padding-bottom: 64px;
}
a { color: var(--color-white); text-decoration: none; }

.top {
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-size: 16px; font-weight: 400; color: var(--color-white); }
.back {
  font-size: 11px;
  font-weight: 450;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero { padding: 24px 16px 32px; }
.hero h1 {
  font-size: 32px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -1.2px;
  margin: 0 0 12px;
}
.hero p { margin: 0; color: var(--color-cool-slate); font-size: 14px; }

.block { padding: 16px; }
.block h2 {
  font-size: 11px;
  font-weight: 450;
  letter-spacing: 0.35px;
  text-transform: uppercase;
  color: var(--color-cool-slate);
  margin: 0 0 12px;
}

.cell {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border-dark);
  color: var(--color-white);
}
.cell:hover { opacity: 0.8; }
.cell h3 { margin: 0 0 4px; font-size: 20px; font-weight: 400; line-height: 1; }
.cell p { margin: 0; color: var(--color-cool-slate); font-size: 13px; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-dark);
  font-size: 14px;
}
.row:last-child { border-bottom: 0; }
.row span { color: var(--color-muted); }
.row b { font-weight: 400; }

.ph {
  background: var(--color-dark-surface);
  color: var(--color-muted);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: var(--rounded-md);
}

form label {
  display: block;
  margin: 0 0 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.35px;
  color: var(--color-cool-slate);
}
form input, form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border-dark);
  background: var(--color-dark-surface);
  color: var(--color-white);
  font: inherit;
  margin-bottom: 12px;
  border-radius: var(--rounded-sharp);
}
form button {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border-dark);
  background: transparent;
  color: var(--color-white);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--rounded-sharp);
}

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  background: var(--color-primary);
  border-top: 1px solid var(--color-border-dark);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0 14px;
  font-size: 11px;
  font-weight: 450;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--color-mid-slate);
}
.tab a.on { color: var(--color-white); font-weight: 500; }

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