:root {
  --primary: #615cf5;
  --primary-deep: #4b46e0;
  --violet: #a78bfa;
  --ink: #17162b;
  --ink-soft: #55547a;
  --ink-faint: #8f8db0;
  --bg: #ffffff;
  --bg-tint: #f7f6ff;
  --border: #ececf5;
  --radius-lg: 28px;
  --radius-md: 16px;
  --shadow-card: 0 12px 40px rgba(97, 92, 245, 0.1);
  --shadow-card-hover: 0 18px 48px rgba(97, 92, 245, 0.18);
  --sans: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', system-ui,
    'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

button,
input {
  font-family: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

::selection {
  background: rgba(97, 92, 245, 0.18);
}