:root {
  --color-primary: #3cffd0;
  --color-mint: #3cffd0;
  --color-ultraviolet: #5200ff;
  --color-link-hover: #3860be;
  --color-purple-rule: #3d00bf;
  --color-canvas: #131313;
  --color-slate: #2d2d2d;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-secondary: #949494;
  --rounded-card: 20px;
  --rounded-feature: 24px;
  --font-display: Impact, "Arial Narrow", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-ui: Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Courier New", Courier, ui-monospace, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", monospace;
}

* { box-sizing: border-box; }
html { background: #000; }
body {
  margin: 0 auto;
  max-width: 390px;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--color-white);
  background: var(--color-canvas);
  line-height: 1.5;
  padding-bottom: 64px;
}
a { color: var(--color-white); text-decoration: none; }
a:hover { color: var(--color-link-hover); }

.top {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #313131;
}
.logo {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--color-white);
  font-size: 22px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.back {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.hero { padding: 28px 16px 32px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.hero p { margin: 0; color: var(--color-secondary); font-size: 14px; }

.block { padding: 16px; }
.block h2 { font-size: 20px; font-weight: 700; margin: 0 0 12px; }

.cell {
  display: block;
  border: 1px solid var(--color-white);
  border-radius: var(--rounded-card);
  padding: 16px;
  margin-bottom: 10px;
  color: var(--color-white);
}
.cell:nth-child(odd) { background: var(--color-ultraviolet); border: 0; }
.cell h3 { margin: 0 0 4px; font-size: 16px; }
.cell p { margin: 0; font-size: 13px; color: #e9e9e9; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-purple-rule);
  font-size: 14px;
}
.row span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.ph {
  background: var(--color-slate);
  color: var(--color-secondary);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: 4px;
  border: 1px solid #313131;
}

form label {
  display: block;
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.1px;
  text-transform: uppercase;
}
form input, form textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-white);
  border-radius: 2px;
  font: inherit;
  margin-bottom: 12px;
  background: var(--color-canvas);
  color: var(--color-white);
}
form button {
  width: 100%;
  padding: 10px 24px;
  border: 0;
  background: var(--color-mint);
  color: var(--color-black);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--rounded-feature);
}

.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 #313131;
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--color-secondary);
}
.tab a.on {
  color: var(--color-black);
  background: var(--color-mint);
}

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