:root {
  --teal: #0d7377;
  --teal-d: #095c5f;
  --ink: #102a2b;
  --bg: #eef6f6;
  --card: #ffffff;
  --sand: #f4fbfb;
  --warn: #c05621;
  --line: #c5dddd;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", "Source Han Serif SC", "STSong", serif;
  font-size: 16.5px;
  line-height: 1.8;
}

a { color: var(--teal-d); }
a:hover { color: var(--warn); }

.frame {
  width: min(1120px, calc(100% - 28px));
  margin: 18px auto;
  background: var(--card);
  border: 2px solid var(--teal);
  display: grid;
  grid-template-columns: 280px 1fr;
}

.side {
  background: var(--teal);
  color: #e9fffb;
  padding: 26px 20px 40px;
}

.side .brand {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-bottom: 1px solid rgba(255,255,255,0.35);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.side p { font-size: 13px; opacity: 0.9; margin-bottom: 20px; }

.side nav a {
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 9px 10px;
  margin-bottom: 6px;
  border: 1px solid rgba(255,255,255,0.2);
}

.side nav a.current { background: #fff; color: var(--teal-d); font-weight: 700; }

.main { padding: 28px 30px 36px; }

.kicker {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}

h1 { font-size: 28px; line-height: 1.4; margin-bottom: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 18px; }
.chips span {
  background: var(--sand);
  border: 1px solid var(--line);
  padding: 3px 10px;
  font-size: 13px;
}

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  padding: 11px 20px;
  font-weight: 700;
}

.btn:hover { background: var(--teal-d); color: #fff; }

.btn-alt {
  display: inline-block;
  margin-left: 8px;
  border: 1px solid var(--teal);
  color: var(--teal-d);
  padding: 10px 16px;
  text-decoration: none;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 22px 0;
}

section { margin: 28px 0; }

h2 {
  font-size: 20px;
  color: var(--teal-d);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--line);
}

table.cmp {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 10px 0 16px;
}

table.cmp th, table.cmp td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  vertical-align: top;
}

table.cmp th { background: var(--teal); color: #fff; }
table.cmp tr:nth-child(even) td { background: var(--sand); }

.note {
  background: #fff7ef;
  border-left: 4px solid var(--warn);
  padding: 10px 14px;
  font-size: 15px;
}

footer.site {
  grid-column: 1 / -1;
  background: #0a3d3f;
  color: #c9e8e8;
  padding: 18px 24px 24px;
  font-size: 12.5px;
  line-height: 1.7;
}

footer.site a { color: #ffe1c4; }
footer.site .safe { color: #ffe08a; margin-bottom: 8px; }

@media (max-width: 860px) {
  .frame { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
}