:root {
  --bg: #FBFAF7; --panel: #FFFFFF; --ink: #1C2433; --mut: #5C6675;
  --line: #E4E2D9; --acc: #0E6B6A; --acc-deep: #0A5352; --amber: #B07A22;
  --amber-bg: #FBF3E2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101722; --panel: #18202E; --ink: #E6EAF1; --mut: #96A1B2;
    --line: #273245; --acc: #4FB3AE; --acc-deep: #7CCFC9; --amber: #D9A050;
    --amber-bg: #2A2416;
  }
}
* { box-sizing: border-box }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 Georgia, "Times New Roman", serif; }
a { color: var(--acc-deep) }
header.top { display: flex; align-items: baseline; gap: 24px; flex-wrap: wrap; padding: 18px clamp(16px, 5vw, 56px); border-bottom: 1px solid var(--line); font-family: "Segoe UI", "Avenir Next", -apple-system, sans-serif; }
.brand { font-size: 19px; font-weight: 700; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.brand span { color: var(--acc) }
header.top nav { display: flex; gap: 18px; flex-wrap: wrap; margin-left: auto; }
header.top nav a { color: var(--mut); text-decoration: none; font-size: 14.5px; }
header.top nav a:hover { color: var(--acc-deep) }
main { max-width: 720px; margin: 0 auto; padding: 36px clamp(16px, 5vw, 32px) 64px; }
h1 { font-size: clamp(27px, 4.5vw, 38px); line-height: 1.18; letter-spacing: -0.015em; text-wrap: balance; margin: 0.4em 0 0.4em; }
h2 { font-family: "Segoe UI", "Avenir Next", -apple-system, sans-serif; font-size: 20px; margin: 1.7em 0 0.5em; letter-spacing: -0.01em; }
p, ul, ol { max-width: 66ch }
li { margin: 0.3em 0 }
.verified { font-family: "Segoe UI", sans-serif; font-size: 13.5px; color: var(--mut); border-left: 3px solid var(--acc); padding: 4px 12px; background: var(--panel); }
.tw { overflow-x: auto; margin: 1.2em 0 }
table { border-collapse: collapse; font-family: "Segoe UI", "Avenir Next", sans-serif; font-size: 14.5px; min-width: 420px; background: var(--panel); }
td, th { border: 1px solid var(--line); padding: 9px 13px; text-align: left; vertical-align: top; }
th { font-weight: 600 }
td strong { font-variant-numeric: tabular-nums }
.optin { margin: 2.2em 0; padding: 22px 24px; background: var(--amber-bg); border: 1px solid var(--amber); border-radius: 8px; font-family: "Segoe UI", "Avenir Next", sans-serif; }
.optin-kicker { margin: 0; font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--amber); font-weight: 700; }
.optin-line { margin: 6px 0 14px; font-size: 15.5px }
.optin-btn { display: inline-block; background: var(--acc); color: #fff; text-decoration: none; padding: 10px 20px; border-radius: 6px; font-weight: 600; font-size: 15px; }
.optin-btn:hover { background: var(--acc-deep) }
ul.idx { list-style: none; padding: 0 }
ul.idx li { padding: 14px 0; border-bottom: 1px solid var(--line) }
ul.idx a { font-family: "Segoe UI", "Avenir Next", sans-serif; font-weight: 600; font-size: 17px; text-decoration: none; display: block; }
.idx-desc { display: block; color: var(--mut); font-size: 14.5px; margin-top: 3px; font-family: "Segoe UI", sans-serif; }
.hero { padding: 8px 0 6px }
.hero h2.tag { font-size: clamp(30px, 5.4vw, 44px); font-family: Georgia, serif; font-weight: 400; line-height: 1.15; margin: 0.3em 0; letter-spacing: -0.015em; text-wrap: balance; }
.hero .sub { font-size: 19px; color: var(--mut); max-width: 56ch }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 1.6em 0; font-family: "Segoe UI", "Avenir Next", sans-serif; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; text-decoration: none; color: var(--ink); }
.card:hover { border-color: var(--acc) }
.card b { display: block; margin-bottom: 4px; color: var(--acc-deep) }
.card span { font-size: 14px; color: var(--mut) }
footer { border-top: 1px solid var(--line); padding: 26px clamp(16px, 5vw, 56px) 42px; color: var(--mut); font-size: 14px; font-family: "Segoe UI", "Avenir Next", sans-serif; }