:root {
  color-scheme: light;
  --catalog-ink: #17232b;
  --catalog-muted: #596b72;
  --catalog-line: #d8e1df;
  --catalog-paper: #ffffff;
  --catalog-wash: #f3f7f5;
  --catalog-accent: #0d6c62;
  --catalog-accent-dark: #084c46;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--catalog-paper); color: var(--catalog-ink); font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif; line-height: 1.55; }
a { color: var(--catalog-accent-dark); text-underline-offset: 3px; }
a:hover { color: #b34234; }
.catalog-header { display: flex; align-items: center; justify-content: space-between; min-height: 68px; padding: 0 max(24px, calc((100% - 1160px) / 2)); border-bottom: 1px solid var(--catalog-line); }
.catalog-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--catalog-ink); font-weight: 700; text-decoration: none; }
.catalog-brand img { display: block; width: 36px; height: 36px; object-fit: contain; }
.catalog-header nav { display: flex; align-items: center; gap: 22px; }
.catalog-header nav a { color: var(--catalog-ink); font-size: 14px; text-decoration: none; }
.catalog-main { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.catalog-topline { display: flex; align-items: center; gap: 9px; padding: 22px 0; color: var(--catalog-muted); font-size: 13px; }
.catalog-topline a { color: var(--catalog-muted); }
.catalog-intro { padding: 22px 0 28px; }
.catalog-kicker { margin: 0 0 8px; color: var(--catalog-accent); font-size: 12px; font-weight: 700; }
.catalog-intro h1 { max-width: 800px; margin: 0; font-size: 34px; line-height: 1.2; }
.catalog-intro-copy { max-width: 760px; margin: 13px 0 0; color: var(--catalog-muted); font-size: 16px; }
.catalog-metrics { display: flex; flex-wrap: wrap; gap: 0; margin: 24px 0 0; border-top: 1px solid var(--catalog-line); border-bottom: 1px solid var(--catalog-line); }
.catalog-metrics div { display: grid; gap: 1px; min-width: 150px; padding: 12px 22px 12px 0; }
.catalog-metrics strong { font-size: 17px; font-variant-numeric: tabular-nums; }
.catalog-metrics span { color: var(--catalog-muted); font-size: 12px; }
.catalog-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 22px; }
.catalog-primary { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 16px; background: var(--catalog-accent); color: #fff; font-size: 14px; font-weight: 700; text-decoration: none; }
.catalog-primary:hover { background: var(--catalog-accent-dark); color: #fff; }
.catalog-secondary { font-size: 14px; font-weight: 600; }
.catalog-note { margin: 0 0 30px; padding: 13px 16px; border-left: 3px solid #c85c4a; background: var(--catalog-wash); }
.catalog-note p { margin: 0; color: #3e4f53; font-size: 13px; }
.catalog-group { padding: 22px 0 30px; border-top: 1px solid var(--catalog-line); }
.catalog-group-heading { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 15px; }
.catalog-group-heading h2 { margin: 0; font-size: 22px; line-height: 1.3; }
.catalog-group-heading p:not(.catalog-kicker) { margin: 4px 0 0; color: var(--catalog-muted); font-size: 13px; }
.catalog-group-count { color: var(--catalog-muted); font-size: 12px; white-space: nowrap; }
.catalog-table-scroll { overflow-x: auto; border: 1px solid var(--catalog-line); }
.catalog-table-scroll:focus-visible { outline: 2px solid var(--catalog-accent); outline-offset: 2px; }
.catalog-table-scroll table { width: 100%; min-width: 840px; border-collapse: collapse; font-size: 13px; text-align: left; }
.catalog-table-scroll th, .catalog-table-scroll td { padding: 12px 14px; border-bottom: 1px solid var(--catalog-line); vertical-align: top; }
.catalog-table-scroll thead th { background: var(--catalog-wash); color: #3d5054; font-size: 12px; font-weight: 700; }
.catalog-table-scroll tbody tr:last-child th, .catalog-table-scroll tbody tr:last-child td { border-bottom: 0; }
.catalog-table-scroll tbody th { min-width: 220px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; font-weight: 600; overflow-wrap: anywhere; }
.catalog-platform, .catalog-notes, .catalog-unit { display: block; margin-top: 4px; color: var(--catalog-muted); font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif; font-size: 11px; font-weight: 400; }
.catalog-price-line { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 8px; margin: 0 0 4px; }
.catalog-price-line:last-child { margin-bottom: 0; }
.catalog-price { font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap; }
.catalog-tier { min-width: 48px; color: var(--catalog-muted); }
.catalog-no-price { color: var(--catalog-muted); font-size: 12px; }
.catalog-rate { display: inline-block; padding: 2px 6px; background: #e9f3f0; color: var(--catalog-accent-dark); font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.catalog-source { padding: 24px 0; border-top: 1px solid var(--catalog-line); }
.catalog-source h2 { margin: 0 0 8px; font-size: 17px; }
.catalog-source p { margin: 4px 0; color: var(--catalog-muted); font-size: 13px; overflow-wrap: anywhere; }
.catalog-footer { margin-top: 14px; padding: 20px 24px; border-top: 1px solid var(--catalog-line); text-align: center; font-size: 12px; }
.catalog-footer a { color: var(--catalog-muted); text-decoration: none; }

@media (max-width: 680px) {
  .catalog-header { align-items: flex-start; flex-direction: column; gap: 10px; padding: 14px 20px; }
  .catalog-header nav { gap: 16px; }
  .catalog-main { width: calc(100% - 32px); }
  .catalog-topline { padding: 16px 0; }
  .catalog-intro { padding-top: 12px; }
  .catalog-intro h1 { font-size: 27px; }
  .catalog-intro-copy { font-size: 14px; }
  .catalog-metrics div { min-width: 33.333%; padding-right: 10px; }
  .catalog-group-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .catalog-table-scroll table { min-width: 760px; }
}