:root {
  --color-primary: #5645d4;
  --color-primary-pressed: #4534b3;
  --color-on-primary: #ffffff;
  --color-brand-navy: #0a1530;
  --color-link-blue: #0075de;
  --color-canvas: #ffffff;
  --color-surface: #f6f5f4;
  --color-hairline: #e5e3df;
  --color-hairline-strong: #c8c4be;
  --color-ink: #1a1a1a;
  --color-charcoal: #37352f;
  --color-slate: #5d5b54;
  --color-steel: #787671;
  --color-stone: #a4a097;
  --color-card-tint-peach: #ffe8d4;
  --color-card-tint-mint: #d9f3e1;
  --color-card-tint-lavender: #e6e0f5;
  --color-card-tint-yellow-bold: #f9e79f;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --font-sans: "Notion Sans", Inter, 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-sans);
  color: var(--color-ink);
  background: var(--color-canvas);
  line-height: 1.5;
  padding-bottom: 60px;
  font-size: 16px;
}
a { color: var(--color-link-blue); text-decoration: none; }

.top {
  border-bottom: 1px solid var(--color-hairline);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
}
.logo { font-weight: 600; color: var(--color-ink); letter-spacing: -0.3px; }
.back { font-size: 12px; color: var(--color-steel); }

.hero {
  background: var(--color-brand-navy);
  color: #fff;
  padding: 36px 16px 28px;
  text-align: center;
}
.hero h1 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -1px;
  line-height: 1.1;
  margin: 0 0 8px;
}
.hero p { margin: 0; color: #a4a097; font-size: 14px; }
.hero.light {
  background: #fff;
  color: var(--color-ink);
  text-align: left;
  padding: 24px 16px;
}
.hero.light h1 { font-size: 28px; }
.hero.light p { color: var(--color-slate); }

.block { padding: 16px; }
.block h2 { font-size: 18px; font-weight: 600; margin: 0 0 12px; }

.cell {
  display: block;
  border: 1px solid var(--color-hairline);
  padding: 16px;
  margin-bottom: 8px;
  color: var(--color-ink);
  border-radius: var(--rounded-lg);
  background: #fff;
}
.cell.tint { background: var(--color-card-tint-lavender); border: 0; }
.cell:hover { text-decoration: none; }
.cell h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.cell p { margin: 0; color: var(--color-slate); font-size: 13px; }

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

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

form label { display: block; margin: 0 0 4px; font-size: 14px; }
form input, form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-hairline-strong);
  font: inherit;
  margin-bottom: 12px;
  border-radius: var(--rounded-md);
  min-height: 44px;
}
form button {
  width: 100%;
  padding: 12px;
  border: 0;
  background: var(--color-primary);
  color: #fff;
  font: 500 14px var(--font-sans);
  border-radius: var(--rounded-md);
}

.tab {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 390px;
  display: flex;
  border-top: 1px solid var(--color-hairline);
  background: #fff;
}
.tab a {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-steel);
}
.tab a.on { color: var(--color-primary); font-weight: 600; }

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