:root {
  --color-primary: #7132f5;
  --color-on-primary: #ffffff;
  --color-purple-dark: #5741d8;
  --color-ink: #101114;
  --color-ink-muted: #686b82;
  --color-ink-soft: #9497a9;
  --color-canvas: #ffffff;
  --color-line: #dedee5;
  --color-green: #149e61;
  --color-green-dark: #026b3f;
  --color-green-soft: rgba(20, 158, 97, 0.16);
  --color-purple-subtle: rgba(133, 91, 251, 0.16);
  --rounded-lg: 12px;
  --font-display: Kraken-Brand, "IBM Plex Sans", Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: Kraken-Product, "Helvetica Neue", Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: #ececf2; }
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: 1.38;
  padding-bottom: 64px;
}
a { color: var(--color-primary); text-decoration: none; }

.top {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-line);
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.3px;
}
.back { font-size: 12px; color: var(--color-ink-soft); }

.hero { padding: 24px 16px 8px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 0 0 8px;
}
.hero p { margin: 0; color: var(--color-ink-muted); font-size: 14px; }

.block { padding: 16px; }
.block h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
}

.cell {
  display: block;
  border: 1px solid var(--color-line);
  padding: 14px;
  margin-bottom: 8px;
  color: var(--color-ink);
  border-radius: var(--rounded-lg);
  box-shadow: rgba(0, 0, 0, 0.03) 0px 4px 24px;
}
.cell h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.cell p { margin: 0; color: var(--color-ink-muted); font-size: 13px; }

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

.ph {
  background: #f7f7fb;
  color: var(--color-ink-soft);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-bottom: 12px;
  border-radius: 12px;
}

form label { display: block; margin: 0 0 4px; font-size: 14px; }
form input, form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-line);
  font: inherit;
  margin-bottom: 12px;
  border-radius: 12px;
}
form button {
  width: 100%;
  padding: 13px 16px;
  border: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font: inherit;
  font-weight: 600;
  border-radius: 12px;
}

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  border-top: 1px solid var(--color-line);
  background: var(--color-canvas);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-ink-soft);
}
.tab a.on { color: var(--color-primary); font-weight: 700; }

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