:root {
  --color-primary: #111111;
  --color-on-primary: #ffffff;
  --color-ink: #111111;
  --color-ink-muted: #626260;
  --color-ink-subtle: #7b7b78;
  --color-ink-tertiary: #9c9fa5;
  --color-canvas: #f5f1ec;
  --color-surface-1: #ffffff;
  --color-surface-2: #ebe7e1;
  --color-inverse-canvas: #000000;
  --color-hairline: #d3cec6;
  --color-hairline-soft: #ebe7e1;
  --color-fin-orange: #ff5600;
  --color-report-blue: #65b5ff;
  --color-report-green: #0bdf50;
  --color-report-pink: #ff2067;
  --rounded-xs: 4px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --font-display: Saans, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: Saans, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: #e6e2dc; }
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: 1.5;
  padding-bottom: 64px;
  font-size: 15px;
}
a { color: var(--color-ink); text-decoration: none; }

.top {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-canvas);
  position: sticky;
  top: 0;
}
.logo { font-weight: 500; color: var(--color-ink); letter-spacing: -0.2px; }
.back { font-size: 12px; color: var(--color-ink-subtle); }

.hero { padding: 20px 16px 8px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.7px;
  line-height: 1.12;
  margin: 0 0 10px;
}
.hero p { margin: 0; color: var(--color-ink-muted); font-size: 15px; }

.block { padding: 16px; }
.block h2 {
  font-size: 13px;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--color-ink-muted);
}

.cell {
  display: block;
  background: var(--color-surface-1);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: 16px;
  margin-bottom: 8px;
  color: var(--color-ink);
}
.cell h3 { margin: 0 0 4px; font-size: 16px; font-weight: 500; letter-spacing: -0.2px; }
.cell p { margin: 0; color: var(--color-ink-muted); font-size: 13px; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-hairline-soft);
  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-tertiary);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: var(--rounded-xl);
}

.btn, form button {
  display: inline-block;
  background: var(--color-ink);
  color: var(--color-on-primary);
  border: 0;
  border-radius: var(--rounded-md);
  padding: 10px 18px;
  font: inherit;
  font-weight: 500;
  font-size: 15px;
}
form label { display: block; margin: 0 0 4px; font-size: 13px; font-weight: 500; }
form input, form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface-1);
  color: var(--color-ink);
  font: inherit;
  margin-bottom: 12px;
  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-surface-1);
  border-top: 1px solid var(--color-hairline);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0 14px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-ink-subtle);
}
.tab a.on { color: var(--color-ink); }

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