/* Set 5: purple main + sticky download rail, left-accent sections */
:root {
  --p: #4a235a;
  --p2: #7d3c98;
  --ink: #24132c;
  --bg: #f7f3fa;
  --line: #ddd0e6;
  --paper: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15.5px/1.75 "Lucida Sans Unicode", "Lucida Grande", "Microsoft YaHei", sans-serif;
}
.mast {
  background: var(--p);
  color: #fff;
  padding: 14px 0;
}
.mast-inner {
  width: min(1200px, calc(100% - 24px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 19px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.nav a {
  color: #f0e4f7;
  text-decoration: none;
  padding: 6px 11px;
  border-bottom: 2px solid transparent;
}
.nav a.current { border-bottom-color: #f5d76e; color: #fff; }
.page {
  width: min(1200px, calc(100% - 24px));
  margin: 20px auto 36px;
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.content { flex: 1 1 auto; min-width: 0; }
.dock {
  flex: 0 0 300px;
  position: sticky;
  top: 16px;
  background: var(--p);
  color: #f8eefc;
  padding: 16px;
}
.dock h2 { color: #fff; font-size: 18px; margin: 0 0 10px; }
.dock .btn { display: block; text-align: center; margin-bottom: 8px; }
.hero {
  background: var(--paper);
  border-left: 8px solid var(--p2);
  padding: 22px 22px 18px;
  margin-bottom: 18px;
}
h1 { font-size: 28px; margin: 0 0 10px; }
h2 { font-size: 21px; margin: 0 0 10px; color: var(--p); }
.lead { margin: 0 0 14px; }
.btn {
  display: inline-block;
  text-decoration: none;
  padding: 10px 14px;
  font-weight: 700;
  border-radius: 2px;
}
.btn-win { background: #1e8449; color: #fff; }
.btn-mac { background: var(--p2); color: #fff; }
.btn-ios, .btn-and { background: #fff; color: var(--p); border: 1px solid #fff; }
.block {
  background: var(--paper);
  border-left: 6px solid #c39bd3;
  padding: 18px 20px;
  margin-bottom: 16px;
}
ol.feat { padding-left: 22px; }
ol.feat li { margin-bottom: 10px; }
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
th { background: #ead6f4; }
.qa { border-bottom: 1px dashed var(--line); padding: 10px 0; }
.qa strong { color: var(--p); }
.site-footer {
  background: #2c1838;
  color: #e5d4ef;
  padding: 22px 0;
}
.foot-inner { width: min(1200px, calc(100% - 24px)); margin: 0 auto; }
.foot-nav a { color: #e5d4ef; text-decoration: none; margin-right: 12px; }
.fine { font-size: 12.5px; margin-top: 10px; }
@media (max-width: 900px) {
  .page { flex-direction: column; }
  .dock { position: static; flex-basis: auto; width: 100%; }
}