:root {
  --color-primary: #fcfdff;
  --color-primary-on: #000000;
  --color-ink: #fcfdff;
  --color-body: rgba(252, 253, 255, 0.86);
  --color-charcoal: rgba(252, 253, 255, 0.7);
  --color-mute: #a1a4a5;
  --color-ash: #888e90;
  --color-stone: #464a4d;
  --color-canvas: #000000;
  --color-surface-card: #0a0a0c;
  --color-surface-elevated: #101012;
  --color-surface-deep: #06060a;
  --color-hairline: rgba(255, 255, 255, 0.06);
  --color-hairline-strong: rgba(255, 255, 255, 0.14);
  --color-accent-orange: #ff801f;
  --color-accent-orange-glow: rgba(255, 89, 0, 0.22);
  --color-accent-blue: #3b9eff;
  --color-accent-green: #11ff99;
  --color-accent-yellow: #ffc53d;
  --color-accent-red: #ff2047;
  --color-link: #3b9eff;
  --color-surface-light: #f1f7fe;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-full: 9999px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --font-display: "Domaine Display", Georgia, "Times New Roman", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", serif;
  --font-body: "ABC Favorit", Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-ui: Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-code: "Geist Mono", ui-monospace, Menlo, Consolas, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", monospace;
}

* { 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-body);
  background: var(--color-canvas);
  line-height: 1.5;
  padding-bottom: 64px;
  letter-spacing: -0.4px;
}
a { color: var(--color-link); text-decoration: none; }

.top {
  height: 56px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-hairline);
}
.logo {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-size: 18px;
  font-weight: 400;
}
.back { font-size: 12px; color: var(--color-ash); font-family: var(--font-ui); letter-spacing: 0; }

.hero {
  padding: 32px 16px 40px;
  background: radial-gradient(ellipse 90% 60% at 50% 0%, var(--color-accent-orange-glow), transparent 70%);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.5px;
  color: var(--color-ink);
  margin: 0 0 12px;
}
.hero p { margin: 0; color: var(--color-charcoal); font-size: 15px; letter-spacing: 0; }

.block { padding: 20px 16px; border-bottom: 1px solid var(--color-hairline); }
.block h2 {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-mute);
  margin: 0 0 12px;
  letter-spacing: 0.35px;
}

.cell {
  display: block;
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: 16px;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.cell:hover { text-decoration: none; }
.cell h3 { margin: 0 0 4px; font-size: 16px; font-family: var(--font-ui); font-weight: 500; }
.cell p { margin: 0; color: var(--color-charcoal); font-size: 13px; letter-spacing: 0; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
  font-family: var(--font-ui);
  color: var(--color-ink);
}
.row:last-child { border-bottom: 0; }
.row span { color: var(--color-ash); letter-spacing: 0; }
.row b { font-weight: 500; }

.ph {
  background: var(--color-surface-elevated);
  color: var(--color-stone);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
}

form label { display: block; margin: 0 0 4px; font-size: 13px; font-family: var(--font-ui); color: var(--color-charcoal); }
form input, form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-hairline-strong);
  background: var(--color-surface-card);
  color: var(--color-ink);
  font: inherit;
  margin-bottom: 12px;
  border-radius: var(--rounded-md);
  min-height: 48px;
}
form button {
  width: 100%;
  height: 44px;
  padding: 10px 16px;
  border: none;
  background: var(--color-primary);
  color: var(--color-primary-on);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--rounded-md);
}

.code-mini {
  background: var(--color-surface-deep);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: 16px;
  font-family: var(--font-code);
  font-size: 12px;
  color: var(--color-body);
  letter-spacing: 0;
}
.dots { display: flex; gap: 6px; margin-bottom: 10px; }
.dots i { width: 8px; height: 8px; border-radius: 9999px; display: block; }
.dots i:nth-child(1) { background: var(--color-accent-red); }
.dots i:nth-child(2) { background: var(--color-accent-yellow); }
.dots i:nth-child(3) { background: var(--color-accent-green); }

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  border-top: 1px solid var(--color-hairline-strong);
  background: var(--color-canvas);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-size: 11px;
  color: var(--color-ash);
  font-family: var(--font-ui);
  letter-spacing: 0.2px;
}
.tab a.on { font-weight: 500; color: var(--color-ink); }

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