:root {
  --primary: #6C5CE7;
  --text: #1A1A2E;
  --text-secondary: #5A5A6E;
  --bg: #FFFFFF;
  --bg-alt: #F7F7FB;
  --border: #E8E8F0;
  --max-width: 760px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg-alt);
  line-height: 1.6;
}

header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
}

header .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .logo {
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
}

nav a:hover { color: var(--primary); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

h1 { font-size: 28px; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 32px 0 8px; color: var(--text); }
p, li { color: var(--text-secondary); font-size: 15px; }
.updated { color: var(--text-secondary); font-size: 13px; margin-bottom: 32px; }

.hero { text-align: center; padding: 40px 24px 0; }
.hero h1 { font-size: 36px; }
.hero p { font-size: 17px; max-width: 480px; margin: 12px auto 28px; }
.hero .badge {
  display: inline-block;
  width: 96px; height: 96px;
  border-radius: 22px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #6C5CE7, #a29bfe);
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.feature {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

.feature h3 { margin: 0 0 6px; font-size: 15px; }
.feature p { margin: 0; font-size: 14px; }

footer {
  text-align: center;
  padding: 32px 24px 48px;
  font-size: 13px;
  color: var(--text-secondary);
}

footer a { color: var(--text-secondary); margin: 0 10px; }

.contact-box {
  background: var(--bg-alt);
  border-radius: 10px;
  padding: 16px 20px;
  margin-top: 12px;
}