:root {
  --teal: #2a6f6f;
  --teal-ink: #1b4d4d;
  --apricot: #f8f1e7;
  --card: #fffdf8;
  --ink: #1f2933;
  --muted: #5c6b6b;
  --line: #d9cfc0;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Palatino Linotype", "Songti SC", "STSong", serif;
  background: var(--apricot);
  color: var(--ink);
  line-height: 1.75;
}
.wrap { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.mast {
  background: var(--card);
  border-bottom: 1px solid var(--teal);
}
.mast-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  color: var(--teal-ink);
  text-decoration: none;
  font-weight: 700;
  font-family: "Segoe UI", sans-serif;
  font-size: 18px;
}
nav { display: flex; flex-wrap: wrap; gap: 14px; font-family: "Segoe UI", sans-serif; font-size: 14px; }
nav a { color: var(--teal); text-decoration: none; }
nav a:hover { color: var(--teal-ink); }
.hero { padding: 40px 0 10px; }
.kicker {
  margin: 0 0 8px;
  color: var(--teal);
  font-family: "Segoe UI", sans-serif;
  font-size: 13px;
  letter-spacing: 0.06em;
}
.hero h1 { margin: 0 0 12px; font-size: clamp(26px, 4vw, 36px); line-height: 1.3; }
.hero p { margin: 0; max-width: 46em; }
.block { padding: 38px 0; }
h2 { margin: 0 0 12px; font-size: 24px; }
h3 { margin: 8px 0; font-size: 17px; }
p { margin: 0 0 12px; }
.gear-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.gear {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px 14px;
}
.gear svg { width: 100%; height: 40px; color: var(--teal); }
.narrow {
  background: var(--teal);
  color: #f8f1e7;
  padding: 32px 0;
}
.narrow h2 { color: #fff; }
.signals { margin: 12px 0 0; padding-left: 18px; }
.signals li { margin: 8px 0; }
.input-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 14px;
}
.input-pair article {
  background: var(--card);
  border-top: 3px solid var(--teal);
  padding: 16px;
}
.input-pair svg { width: 40px; height: 40px; color: var(--teal); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); }
caption { text-align: left; padding-bottom: 8px; color: var(--muted); }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: #e7f0ef; color: var(--teal-ink); font-family: "Segoe UI", sans-serif; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.steps { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 10px;
  background: var(--card);
  padding: 12px;
  border: 1px solid var(--line);
}
.steps span {
  width: 36px;
  height: 36px;
  border: 2px solid var(--teal);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Segoe UI", sans-serif;
  font-weight: 700;
}
.faq dt { font-weight: 700; margin: 16px 0 6px; font-family: "Segoe UI", sans-serif; }
.faq dd { margin: 0; padding: 12px; background: var(--card); border-left: 3px solid var(--teal); }
footer {
  border-top: 1px solid var(--teal);
  background: #fffdf8;
  color: var(--teal-ink);
  padding: 28px 0;
  font-size: 14px;
  font-family: "Segoe UI", sans-serif;
}
footer p { margin: 0 0 8px; }
@media (max-width: 960px) {
  .gear-4, .input-pair, .cols-2, .steps { grid-template-columns: 1fr; }
}