* { box-sizing: border-box; }
body {
  margin: 0;
  background: #f8fafc;
  color: #1e293b;
  font: 18px/1.75 "Helvetica Neue", Helvetica, "PingFang SC", sans-serif;
}
.strip {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  background: #334155;
  color: #f8fafc;
}
.strip a.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  display: flex;
  gap: 8px;
  align-items: center;
}
.strip nav a {
  color: #e2e8f0;
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}
.strip nav a.is-current { color: #fdba74; }
.split {
  display: flex;
  min-height: 68vh;
}
.split > * { width: 50%; padding: 40px 5vw; }
.split-copy { background: #0f172a; color: #e2e8f0; }
.split-copy h1 { font-size: 34px; line-height: 1.25; margin-top: 0; }
.split-get { background: #fff7ed; display: flex; flex-direction: column; justify-content: center; }
.split-get a {
  display: block;
  margin: 6px 0;
  padding: 10px 12px;
  background: #b45309;
  color: #fff;
  text-decoration: none;
  text-align: center;
}
.prose-rail {
  max-width: 760px;
  margin: 0 auto;
  padding: 36px 20px 64px;
  border-left: 4px solid #b45309;
}
.prose-rail h2 { font-size: 22px; color: #334155; }
.ask-block { background: #fff; border: 1px solid #e2e8f0; padding: 12px 14px; margin: 10px 0; }
.ask-block summary { cursor: pointer; font-weight: 700; }
.note { font-size: 14px; color: #64748b; }
.warn {
  background: #fff1e6;
  border-left: 6px solid #c2410c;
  padding: 12px 14px;
}
.floor {
  background: #1e293b;
  color: #cbd5e1;
  padding: 22px 5vw 30px;
  font-size: 14px;
}
.floor p { margin: 0 0 8px; }
table.slim { width: 100%; border-collapse: collapse; font-size: 15px; }
table.slim th, table.slim td { border-bottom: 1px solid #e2e8f0; padding: 6px 4px; text-align: left; }

@media (max-width: 860px) {
  .split { flex-direction: column; }
  .split > * { width: 100%; min-height: auto; }
}