.gpt-directory {
  --gpt-blue: #1769aa;
  --gpt-text: #23364a;
  --gpt-muted: #526478;
  --gpt-border: #dce3eb;
  max-width: 1520px;
  margin: 64px auto 88px;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 64px;
  background: #fff;
  color: var(--gpt-text);
  font-family: inherit;
  font-size: 18px;
  line-height: 1.7;
}
.gpt-directory * { box-sizing: border-box; }
.gpt-directory main { min-width: 0; }
.gpt-directory a { color: var(--gpt-blue); text-underline-offset: 4px; }
.gpt-directory p { margin: 0 0 20px; }
.gpt-directory aside nav { position: sticky; top: 32px; }
.gpt-directory aside h2 { font-size: 22px; margin: 0 0 20px; }
.gpt-directory aside a { display: block; padding: 11px 14px; font-size: 16px; text-decoration: none; border-left: 3px solid transparent; }
.gpt-directory aside a[aria-current] { background: #eef5fb; border-color: var(--gpt-blue); font-weight: 600; }
.gpt-directory h1 { font-size: clamp(36px, 3.6vw, 52px); line-height: 1.15; letter-spacing: -.025em; margin: 24px 0 30px; font-weight: 700; }
.gpt-directory h2 { font-size: clamp(27px, 2.2vw, 34px); line-height: 1.25; letter-spacing: -.018em; margin: 0 0 20px; font-weight: 650; }
.gpt-directory h3 { font-size: 22px; line-height: 1.3; margin: 18px 0 12px; font-weight: 650; }
.gpt-breadcrumb { font-size: 15px; color: var(--gpt-muted); }
.gpt-directory .gpt-intro { font-size: 22px; line-height: 1.65; }
.gpt-directory section { margin-top: 72px; }
.gpt-hero { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(260px, 1fr); align-items: start; gap: 40px; }
.gpt-card { border: 1px solid var(--gpt-border); border-radius: 8px; padding: 28px; margin: 0; background: #fff; }
.gpt-card dt { font-size: 12px; text-transform: uppercase; letter-spacing: .065em; color: var(--gpt-muted); margin-bottom: 4px; }
.gpt-card dd { margin: 0 0 18px; font-size: 16px; line-height: 1.5; }
.gpt-card dd:last-child { margin: 0; }
.gpt-button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; background: var(--gpt-blue); color: #fff!important; padding: 12px 24px; border: 1px solid var(--gpt-blue); border-radius: 5px; text-decoration: none; font-size: 17px; font-weight: 650; margin: 8px 16px 0 0; }
.gpt-button:hover { background: #12558b; border-color: #12558b; }
.gpt-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.gpt-cards .gpt-card { display: flex; flex-direction: column; align-items: flex-start; }
.gpt-cards .gpt-card p { font-size: 17px; line-height: 1.65; color: var(--gpt-muted); margin-bottom: 24px; }
.gpt-cards .gpt-card > a { margin-top: auto; font-weight: 600; font-size: 16px; }
.gpt-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; background: #eef5fb; color: var(--gpt-blue); border-radius: 6px; font-weight: 700; }
.gpt-insights { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 20px; }
.gpt-insight { padding: 22px 26px; }
.gpt-insight:only-child { max-width: 470px; }
.gpt-insight strong { display: block; font-size: 46px; line-height: 1.1; letter-spacing: -.03em; font-weight: 700; color: var(--gpt-blue); margin-bottom: 10px; }
.gpt-insight p { font-size: 16px; line-height: 1.55; margin: 0; }
.gpt-insight p span { color: var(--gpt-muted); }
.gpt-about { padding: 32px 36px; border: 1px solid var(--gpt-border); border-radius: 8px; }
.gpt-cta { padding: 40px; border: 1px solid var(--gpt-border); border-top: 4px solid var(--gpt-blue); border-radius: 8px; background: #fff; }
.gpt-cta h2 { max-width: 750px; color: var(--gpt-blue); font-size: clamp(29px, 2.5vw, 38px); }
.gpt-cta p { max-width: 760px; font-size: 20px; }
.gpt-cta .gpt-button { padding: 15px 28px; font-size: 18px; min-height: 56px; }
.gpt-empty { padding: 24px; border: 1px dashed #c9d5e2; border-radius: 6px; color: var(--gpt-muted); }
.gpt-pairs { list-style: none; padding: 0; margin: 28px 0 0; }
.gpt-pairs li { display: grid; grid-template-columns: minmax(180px, 250px) minmax(0, 1fr) 65px; align-items: center; padding: 14px 0; gap: 24px; }
.gpt-pairs a { font-size: 17px; font-weight: 550; line-height: 1.4; }
.gpt-pairs strong { text-align: right; font-size: 17px; font-variant-numeric: tabular-nums; font-weight: 600; }
.gpt-bar-track { display: block; height: 16px; background: #edf1f6; border-radius: 3px; overflow: hidden; }
.gpt-bar-fill { display: block; height: 100%; background: var(--gpt-blue); border-radius: 3px; }
.gpt-directory table { width: 100%; border-collapse: collapse; text-align: left; font-size: 17px; line-height: 1.5; }
.gpt-directory td, .gpt-directory th { padding: 18px 20px; border-bottom: 1px solid var(--gpt-border); vertical-align: top; }
.gpt-directory thead th { background: #f6f8fb; font-weight: 600; }
.gpt-directory td:last-child, .gpt-directory thead th:last-child { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.gpt-directory caption { text-align: left; color: var(--gpt-muted); font-size: 15px; padding-bottom: 16px; }
.gpt-directory input { width: 100%; padding: 16px; border: 1px solid #c9d5e2; border-radius: 6px; font: inherit; margin-top: 8px; }
.gpt-directory a:focus-visible, .gpt-directory input:focus-visible, .gpt-directory summary:focus-visible { outline: 3px solid var(--gpt-blue); outline-offset: 4px; }
.gpt-trend { margin: 28px 0 0; border: 1px solid var(--gpt-border); border-radius: 8px; padding: 28px 24px 20px; }
.gpt-chart { width: 100%; }
.gpt-line-chart { display: block; width: 100%; height: auto; overflow: visible; }
.gpt-grid-line { stroke: #e6ebf1; stroke-width: 1; }
.gpt-axis-line { stroke: #bcc8d5; stroke-width: 1; }
.gpt-axis-label { fill: var(--gpt-muted); font-size: 13px; font-family: inherit; }
.gpt-axis-title { fill: var(--gpt-muted); font-size: 13px; font-family: inherit; }
.gpt-point-label { fill: var(--gpt-blue); font-size: 14px; font-family: inherit; font-weight: 600; }
.gpt-trend-line { stroke: var(--gpt-blue); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.gpt-trend-point { fill: #fff; stroke: var(--gpt-blue); stroke-width: 3; }
.gpt-trend figcaption { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 14px; line-height: 1.5; color: var(--gpt-muted); margin: 18px 0; text-align: center; }
.gpt-chart-key { width: 22px; height: 3px; background: var(--gpt-blue); flex-shrink: 0; }
.gpt-trend-data { border-top: 1px solid var(--gpt-border); padding-top: 16px; font-size: 15px; }
.gpt-trend-data summary { cursor: pointer; color: var(--gpt-blue); width: fit-content; }
.gpt-trend-data table { margin-top: 20px; font-size: 15px; }
.gpt-directory [hidden] { display: none!important; }
@media (max-width: 1100px) {
  .gpt-directory { grid-template-columns: 185px minmax(0, 1fr); gap: 36px; padding: 0 28px; }
  .gpt-hero { grid-template-columns: 1fr; gap: 28px; }
  .gpt-hero dl { display: grid; grid-template-columns: 130px minmax(0, 1fr); column-gap: 18px; padding: 24px; }
  .gpt-hero dt, .gpt-hero dd { margin: 0 0 12px; }
  .gpt-hero dt:last-of-type { margin-bottom: 0; }
  .gpt-pairs li { grid-template-columns: minmax(155px, 180px) minmax(0, 1fr) 60px; gap: 16px; }
}
@media (max-width: 800px) {
  .gpt-directory { display: block; padding: 0 24px; margin: 32px auto 64px; }
  .gpt-directory aside nav { position: static; display: flex; overflow-x: auto; gap: 6px; margin-bottom: 30px; padding-bottom: 4px; }
  .gpt-directory aside h2 { display: none; }
  .gpt-directory aside a { flex-shrink: 0; white-space: nowrap; font-size: 15px; border-left: 0; border-bottom: 3px solid transparent; }
  .gpt-directory section { margin-top: 60px; }
}
@media (max-width: 540px) {
  .gpt-directory { padding: 0 18px; font-size: 17px; }
  .gpt-directory h1 { font-size: 36px; margin: 20px 0 24px; }
  .gpt-directory h2 { font-size: 28px; margin-bottom: 18px; }
  .gpt-directory .gpt-intro { font-size: 20px; }
  .gpt-directory section { margin-top: 52px; }
  .gpt-cards { grid-template-columns: 1fr; gap: 18px; }
  .gpt-card { padding: 24px; }
  .gpt-hero dl { grid-template-columns: 1fr; }
  .gpt-hero dt { margin: 0 0 3px; }
  .gpt-hero dd { margin-bottom: 16px; }
  .gpt-pairs li { grid-template-columns: minmax(0, 1fr) 65px; gap: 10px 16px; padding: 13px 0; }
  .gpt-pairs a { grid-column: 1; grid-row: 1; }
  .gpt-pairs strong { grid-column: 2; grid-row: 1; }
  .gpt-bar-track { grid-column: 1 / -1; height: 14px; }
  .gpt-trend { padding: 20px 12px 16px; }
  .gpt-directory td, .gpt-directory th { padding: 14px 10px; font-size: 15px; }
  .gpt-trend-data td, .gpt-trend-data th { padding: 12px 6px; font-size: 13px; }
  .gpt-about, .gpt-cta { padding: 28px 24px; }
  .gpt-cta h2 { font-size: 30px; }
  .gpt-cta p { font-size: 18px; }
  .gpt-cta .gpt-button { width: 100%; margin-right: 0; }
}