:root {
  --ink: #1e1b4b;
  --muted: #5b567a;
  --bg: #f5f3ff;
  --card: #ffffff;
  --violet: #6d28d9;
  --line: #ddd6fe;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}
a { color: var(--violet); }
.head {
  padding: 18px 6vw 0;
  display: flex; justify-content: space-between; align-items: center;
}
.brand { font-size: 22px; font-weight: 800; color: var(--ink); text-decoration: none; }
.head nav { display: flex; gap: 8px; }
.head nav a {
  text-decoration: none; color: var(--ink); background: #fff;
  border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px;
}
.head nav a.on { background: var(--violet); color: #fff; border-color: var(--violet); }
.canvas { padding: 18px 6vw 72px; }
.hero h1 { font-size: 38px; line-height: 1.25; margin: 10px 0; max-width: 18em; }
.lead { max-width: 46em; font-size: 18px; }
.mini { display: flex; gap: 8px; flex-wrap: wrap; padding: 0; list-style: none; }
.mini li { background: #ede9fe; border-radius: 8px; padding: 4px 10px; font-size: 14px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--violet); color: #fff; text-decoration: none;
  padding: 12px 16px; border-radius: 12px; font-weight: 700;
}
.btn.soft { background: #fff; color: var(--violet); border: 1px solid var(--violet); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chooser { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0; }
.chooser article {
  background: var(--card); border-radius: 18px; padding: 16px 16px 8px;
  border-top: 6px solid var(--violet); box-shadow: 0 10px 30px rgba(76, 29, 149, 0.06);
}
.chooser h2 { font-size: 20px; }
h2 { font-size: 28px; line-height: 1.35; margin: 0 0 8px; }
.mode { display: grid; grid-template-columns: 120px 1fr; gap: 16px; background: #fff; border-radius: 16px; padding: 16px; margin: 12px 0 18px; }
.badge {
  background: #ede9fe; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--violet); text-align: center; padding: 8px;
}
.matrix { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
.matrix th, .matrix td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.matrix th { background: #ede9fe; }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.faq article { background: #fff; border-radius: 14px; padding: 12px 14px; }
.faq h3 { margin: 0 0 6px; font-size: 17px; }
footer { margin-top: 28px; color: var(--muted); font-size: 13px; }
@media (max-width: 900px) {
  .head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .chooser, .faq, .mode { grid-template-columns: 1fr; }
  .canvas { padding: 16px; }
  .hero h1 { font-size: 30px; }
}