:root {
  --color-primary: #111111;
  --color-on-primary: #ffffff;
  --color-canvas: #ffffff;
  --color-soft-cloud: #f5f5f5;
  --color-ink: #111111;
  --color-charcoal: #39393b;
  --color-ash: #4b4b4d;
  --color-mute: #707072;
  --color-stone: #9e9ea0;
  --color-hairline: #cacacb;
  --color-hairline-soft: #e5e5e5;
  --color-sale: #d30005;
  --color-success: #007d48;

  --rounded-none: 0px;
  --rounded-sm: 18px;
  --rounded-md: 24px;
  --rounded-lg: 30px;
  --rounded-full: 9999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 18px;
  --space-xl: 24px;
  --space-section: 32px;

  --font-display: "Nike Futura ND", Futura, "Arial Black", Impact, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-heading: "Helvetica Now Display Medium", "Helvetica Neue", Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Helvetica Now Text", "Helvetica Neue", Helvetica, Arial, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { background: #e8e8e8; }
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: 16px;
}
a { color: var(--color-ink); text-decoration: none; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  min-height: 56px;
  background: var(--color-canvas);
  box-shadow: inset 0 -1px 0 var(--color-hairline-soft);
}
.logo {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
  font-size: 18px;
}
.back { font-size: 12px; font-weight: 500; color: var(--color-mute); }

.hero {
  background: var(--color-ink);
  color: var(--color-on-primary);
  padding: 40px 16px 32px;
  min-height: 220px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 500;
  line-height: 0.9;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.hero p { margin: 0; color: #e5e5e5; font-size: 14px; }
.hero.light {
  background: var(--color-canvas);
  color: var(--color-ink);
  min-height: 0;
  padding: 24px 16px;
}
.hero.light h1 {
  font-family: var(--font-heading);
  font-size: 32px;
  text-transform: none;
  line-height: 1.2;
}
.hero.light p { color: var(--color-mute); }

.block { padding: 24px 16px; }
.block h2 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.cell {
  display: block;
  padding: 0 0 16px;
  margin-bottom: 8px;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-hairline);
}
.cell:hover { text-decoration: none; }
.cell h3 { margin: 8px 0 4px; font-size: 16px; font-weight: 500; }
.cell p { margin: 0; color: var(--color-mute); font-size: 14px; font-weight: 500; }

.row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
  font-weight: 500;
}
.row:last-child { border-bottom: 0; }
.row span { color: var(--color-mute); }

.ph {
  background: var(--color-soft-cloud);
  color: var(--color-stone);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-bottom: 12px;
}

.btn, form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  color: var(--color-on-primary);
  border: 0;
  border-radius: var(--rounded-lg);
  height: 48px;
  padding: 0 32px;
  font: 500 16px/1.5 var(--font-body);
  width: 100%;
  cursor: pointer;
}
form label { display: block; margin: 0 0 4px; font-size: 14px; font-weight: 500; }
form input, form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  font: inherit;
  margin-bottom: 12px;
  background: var(--color-canvas);
}

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  background: var(--color-canvas);
  box-shadow: inset 0 1px 0 var(--color-hairline-soft);
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 12px 0 14px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-mute);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tab a.on { color: var(--color-ink); }

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