* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --primary: #1a73e8;
  --primary-light: #e8f0fe;
  --primary-dark: #0d47a1;
  --success: #34a853;
  --warning: #fbbc04;
  --danger: #ea4335;
  --gray-1: #f8f9fa;
  --gray-2: #e8eaed;
  --gray-3: #dadce0;
  --gray-4: #9aa0a6;
  --gray-5: #5f6368;
  --gray-6: #3c4043;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --tab-h: 56px;
  --header-h: 52px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --max-w: 1200px;
}

body {
  overflow-x: hidden;
  color: #333;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  background: #f5f6fa;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: 0;
}

input,
textarea {
  font: inherit;
  border: 0;
  outline: none;
}

ul {
  list-style: none;
}