:root {
  --color-primary: #150f23;
  --color-ink-deep: #1f1633;
  --color-on-primary: #ffffff;
  --color-accent-lime: #c2ef4e;
  --color-accent-pink: #fa7faa;
  --color-hairline-violet: #362d59;
  --color-on-dark-muted: #bdb8c0;
  --color-on-dark-faint: #3f3849;
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-xxl: 18px;
  --font-display: "Sentri Display", Rubik, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: Rubik, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-code: Monaco, Menlo, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", monospace;
}

* { box-sizing: border-box; }
html { background: #110c1c; }
body {
  margin: 0 auto;
  max-width: 390px;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-on-primary);
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.3), transparent),
    var(--color-ink-deep);
  line-height: 1.5;
  padding-bottom: 64px;
}
a { color: var(--color-on-primary); text-decoration: none; }

.top {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-weight: 700; color: var(--color-on-primary); }
.back { font-size: 11px; text-transform: uppercase; letter-spacing: 0.2px; color: var(--color-on-dark-muted); }

.hero { padding: 24px 16px 28px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 10px;
}
.lime {
  background: var(--color-accent-lime);
  color: var(--color-ink-deep);
  border-radius: 4px;
  padding: 0 8px;
}
.hero p { margin: 0; color: var(--color-on-dark-muted); font-size: 14px; font-weight: 400; line-height: 1.8; }

.block { padding: 16px; }
.block h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25px;
  text-transform: uppercase;
  color: var(--color-accent-lime);
  margin: 0 0 12px;
}

.cell {
  display: block;
  background: var(--color-primary);
  border: 1px solid var(--color-hairline-violet);
  border-radius: var(--rounded-xxl);
  padding: 16px;
  margin-bottom: 8px;
  color: var(--color-on-primary);
}
.cell h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.cell p { margin: 0; color: var(--color-on-dark-muted); font-size: 13px; font-weight: 400; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-hairline-violet);
  font-size: 14px;
}
.row:last-child { border-bottom: 0; }
.row span { color: var(--color-on-dark-muted); font-family: var(--font-code); font-size: 12px; }
.row b { font-weight: 600; }

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

form label { display: block; margin: 0 0 4px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.2px; }
form input, form textarea {
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: var(--color-on-primary);
  color: var(--color-ink-deep);
  font: inherit;
  margin-bottom: 12px;
  border-radius: var(--rounded-sm);
  min-height: 44px;
}
form button {
  width: 100%;
  padding: 12px;
  border: none;
  background: var(--color-on-primary);
  color: var(--color-ink-deep);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  border-radius: var(--rounded-md);
}

.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-hairline-violet);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
}
.tab a.on { color: var(--color-accent-lime); }

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