:root {
  --vio: #5b21b6;
  --ink: #1e1633;
  --muted: #564b72;
  --bg: #f7f4ff;
  --card: #fff;
  --line: #ddd4f3;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Trebuchet MS", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.78;
}
a { color: var(--vio); }
.head {
  background: #2e1065;
  color: #f5f0ff;
}
.head-in, .main, .base-in {
  width: min(860px, calc(100% - 28px));
  margin: 0 auto;
}
.head-in { padding: 14px 0; }
.brand {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.brand svg { width: 22px; height: 22px; }
.nav { margin-top: 10px; display: flex; gap: 8px; }
.nav a {
  color: #ddd6fe;
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid transparent;
}
.nav a[aria-current="page"] { border-color: #c4b5fd; color: #fff; }
.hero { padding: 32px 0 8px; }
h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.28; margin: 0 0 12px; }
.btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--vio);
  color: #fff;
  text-decoration: none;
  padding: 10px 14px;
}
.btn svg { width: 18px; height: 18px; }
.btn.alt { background: #fff; color: var(--vio); border: 1px solid var(--vio); }
.step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.idx {
  font-size: 40px;
  font-weight: 800;
  color: var(--vio);
  line-height: 1;
}
h2 { font-size: 23px; margin: 0 0 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin: 8px 0;
}
ol.steps { padding-left: 1.2em; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #ede9fe; }
.faq .card h3 { margin-top: 0; }
.base {
  background: #1e1633;
  color: #ddd6fe;
  padding: 22px 0 30px;
  font-size: 13px;
}
.base a { color: #e9d5ff; }
.base ul { display: flex; gap: 12px; list-style: none; padding: 0; margin: 0 0 8px; }
@media (max-width: 640px) {
  .step { grid-template-columns: 1fr; }
}