:root {
  --paper: #F6EFE0;
  --panel: #FFFFFF;
  --sea: #29404A;
  --dim: #576A75;
  --teal: #178E96;
  --teal-dark: #0F6B72;
  --sand: #E9C46A;
  --line: #EDEAE2;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--sea);
  font-family: "Quicksand", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.68;
  font-size: 17px;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 56px 24px 96px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
.mark {
  width: 40px; height: 40px; border-radius: 13px;
  background: linear-gradient(160deg, #2AA7AE, var(--teal));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 21px; line-height: 1;
  box-shadow: 0 4px 16px rgba(23,142,150,0.30);
}
.brand { font-weight: 700; font-size: 22px; letter-spacing: 0.06em; }
.brand span { color: var(--teal); }
h1 { font-size: 34px; font-weight: 700; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 20px; font-weight: 700; margin-top: 38px; color: var(--teal-dark); }
p { margin: 12px 0; }
p.updated { color: var(--dim); margin-top: 0; font-size: 14.5px; }
p.lead { font-size: 18px; }
a { color: var(--teal-dark); }
ul { padding-left: 22px; }
li { margin: 8px 0; }
strong { font-weight: 700; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 18px 22px; margin: 14px 0;
  box-shadow: 0 2px 10px rgba(41,64,74,0.05);
}
.card a { font-weight: 700; font-size: 18px; text-decoration: none; }
.card p { margin: 6px 0 0; color: var(--dim); font-size: 15px; }
.note {
  background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--sand);
  border-radius: 12px; padding: 14px 20px; margin: 22px 0; color: var(--dim); font-size: 15.5px;
}
.note strong { color: var(--sea); }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--teal-dark); font-weight: 700; }
.scroll { overflow-x: auto; }
footer {
  margin-top: 64px; color: var(--dim); font-size: 13.5px;
  border-top: 1px solid #DAD3C4; padding-top: 20px;
}
code { background: var(--panel); border: 1px solid var(--line); padding: 2px 8px; border-radius: 6px; font-size: 14px; }