:root {
  --paper: #ffffff;
  --surface: #f7f8f7;
  --surface-2: #f1f3f2;
  --ink: #172233;
  --muted: #67707b;
  --line: #dce1e3;
  --line-strong: #bac4c9;
  --blue: #1b416f;
  --blue-deep: #102f52;
  --blue-soft: #eaf0f6;
  --red: #bd493a;
  --red-soft: #f8ece9;
  --green: #34745b;
  --green-soft: #eaf3ef;
  --gold: #a4761f;
  --gold-soft: #f7f0df;
  --plum: #8c5b75;
  --shadow: 0 18px 45px rgba(23, 34, 51, 0.08);
  --shadow-soft: 0 8px 24px rgba(23, 34, 51, 0.07);
  --serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1180px;
  --header-h: 70px;
  --home-band-top: 68px;
  --home-metric-shift: 10px;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --select-chevron-inset: 14px;
  --select-chevron-width: 10px;
  --select-chevron-gap: 12px;
  --select-control-padding-right: calc(var(--select-chevron-inset) + var(--select-chevron-width) + var(--select-chevron-gap));
  --site-logo-title-offset: 7px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body,
button,
input,
select,
textarea { font-family: var(--sans); }

button,
a,
input,
select,
textarea { -webkit-tap-highlight-color: transparent; }

button,
select { cursor: pointer; }

select:not([multiple]) {
  -webkit-appearance: none;
  appearance: none;
  padding-right: var(--select-control-padding-right);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23586470' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--select-chevron-inset) center;
  background-size: var(--select-chevron-width) 6px;
}

a { color: inherit; }

img { display: block; max-width: 100%; }

h1,
h2,
h3,
p,
ul,
ol,
figure { margin-top: 0; }

h1,
h2,
.serif { font-family: var(--serif); font-weight: 500; }

h1,
h2,
h3,
.balance { text-wrap: balance; }

p { text-wrap: pretty; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -64px;
  z-index: 999;
  padding: 8px 12px;
  color: #fff;
  background: var(--blue);
  border-radius: var(--radius-xs);
  transition: transform 160ms var(--ease);
}

.skip-link:focus { transform: translateY(76px); }

.shell {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
}

.header-shell {
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  white-space: nowrap;
}

.brand-copy { display: grid; line-height: 1.05; }

.brand-copy strong {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.primary-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-width: 0;
  gap: 3px;
  overflow-x: auto;
  scrollbar-width: none;
}

.primary-nav::-webkit-scrollbar { display: none; }

.primary-nav a {
  position: relative;
  flex: 0 0 auto;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 14px 10px 13px;
  color: #59636e;
  text-decoration: none;
  font-size: 13px;
  line-height: 1;
  transition: color 160ms var(--ease);
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: -15px;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 160ms var(--ease);
}

.primary-nav a[aria-current="page"] { color: var(--blue); }
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }

.header-action,
.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: var(--radius-xs);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.button.secondary {
  color: var(--blue);
  background: #fff;
  border-color: var(--line-strong);
}

.button.subtle {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
}

.button.icon-only {
  width: 42px;
  padding: 0;
}

.button[aria-pressed="true"],
.bookmark-button[aria-pressed="true"] {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.button:active,
.header-action:active,
.bookmark-button:active,
.filter-button:active,
.view-button:active { transform: scale(0.96); }

.eyebrow,
.mono-label {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.home-hero {
  min-height: 0;
  display: grid;
  align-items: center;
  padding: 42px 0 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(320px, 0.78fr);
  gap: 52px;
  align-items: center;
}

.hero-copy .eyebrow { margin: 0 0 10px; }

.hero-copy h1 {
  max-width: 700px;
  margin-bottom: 12px;
  font-size: clamp(44px, 4.8vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

@media (min-width: 1200px) {
  .hero-copy h1 {
    max-width: 10em;
    text-wrap: wrap;
  }
}

.hero-copy h1 em {
  color: var(--red);
  font-style: normal;
}

.hero-lede {
  max-width: 670px;
  margin-bottom: 0;
  color: #42505d;
  font-size: clamp(16px, 1.45vw, 19px);
  line-height: 1.55;
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  max-width: 670px;
  margin-top: 41px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: 0 14px 34px rgba(23, 34, 51, 0.09);
  overflow: hidden;
}

.search-field-wrap {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 18px;
}

.search-symbol { color: var(--muted); font-size: 19px; }

.search-form input,
.toolbar-search input {
  width: 100%;
  min-height: 44px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 15px;
}

.search-form input::placeholder,
.toolbar-search input::placeholder { color: #8a939c; }

.search-submit {
  min-width: 96px;
  min-height: 44px;
  padding: 0 18px;
  color: #fff;
  background: var(--blue);
  border: 0;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 160ms var(--ease), transform 160ms var(--ease);
}

.search-submit:active { transform: scale(0.97); }

.route-panel {
  position: relative;
  padding: 18px 22px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.route-panel::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 18px;
  width: 4px;
  height: 46px;
  background: var(--red);
}

.route-panel .mono-label { margin: 0 0 6px; color: var(--red); }

.route-panel h2 { margin-bottom: 10px; font-size: 21px; }

.route-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: route;
}

.route-list li { counter-increment: route; }

.route-list a {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  color: #3b4855;
  border-top: 1px solid var(--line);
  text-decoration: none;
  font-size: 13px;
}

.route-list a::before {
  content: "0" counter(route);
  color: var(--red);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
}

.route-list a span { color: var(--blue); font-size: 16px; }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 42px;
}

.metric {
  min-height: 76px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 11px 0;
  text-align: center;
}

.metric strong {
  display: block;
  margin-bottom: 3px;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 500;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.metric span { color: var(--muted); font-size: 11px; }

.metric strong,
.metric span { transform: translateY(var(--home-metric-shift)); }

.band {
  padding: 104px 0 118px;
  border-bottom: 1px solid var(--line);
}

.band.alt { background: var(--surface); }
.band.blue { color: #fff; background: var(--blue); }

.section-head {
  margin-bottom: 54px;
}

.section-title h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.15;
}

.section-title p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

#editor-picks,
#directory,
#collections {
  padding-top: var(--home-band-top);
}

#editor-picks .section-title p,
#directory .section-title p,
#collections .section-title p {
  max-width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  color: inherit;
  text-underline-offset: 5px;
  font-size: 13px;
  font-weight: 600;
}

.editorial-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, 0.45fr);
  gap: 42px;
  align-items: start;
}

.site-list { border-top: 1px solid var(--line-strong); }

.featured-site {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  min-height: 128px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

.featured-site > .site-logo {
  align-self: start;
  margin-top: var(--site-logo-title-offset);
}

.site-logo {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background: var(--blue);
  border-radius: var(--radius-sm);
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14);
}

.site-logo.red { background: var(--red); }
.site-logo.green { background: var(--green); }
.site-logo.gold { background: var(--gold); }
.site-logo.plum { background: var(--plum); }
.site-logo.ink { background: var(--ink); }
.site-logo.light { color: var(--blue); background: var(--blue-soft); }

.site-copy { min-width: 0; }

.site-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-bottom: 5px;
}

.site-heading strong { font-family: var(--serif); font-size: 20px; font-weight: 600; }
.site-heading code { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.site-copy p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

.site-note {
  align-self: start;
  min-width: 82px;
  padding-top: 4px;
  text-align: right;
}

.site-note strong { display: block; color: var(--blue); font-family: var(--serif); font-size: 23px; font-weight: 500; }
.site-note span { display: block; color: var(--muted); font-family: var(--mono); font-size: 9px; }

.editor-note {
  position: sticky;
  top: 100px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.editor-note .mono-label { display: block; margin-bottom: 12px; color: var(--red); }
.editor-note h3 { width: 100%; margin-bottom: 12px; font-family: var(--serif); font-size: 24px; font-weight: 600; text-wrap: wrap; }
.editor-note p { color: var(--muted); font-size: 14px; }

.editor-note > .button {
  width: fit-content;
  display: flex;
  margin-inline: auto;
}

.note-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 24px 0;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.note-meta strong { display: block; color: var(--blue); font-family: var(--serif); font-size: 22px; }
.note-meta span { color: var(--muted); font-size: 11px; }

.collection-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 16px;
}

.collection-main,
.collection-stack a {
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.collection-main {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px;
  color: #fff;
  background: var(--blue);
  border-radius: var(--radius-sm);
}

.collection-main::after {
  content: "27";
  position: absolute;
  right: 28px;
  top: 8px;
  color: rgba(255,255,255,0.12);
  font-family: var(--serif);
  font-size: 168px;
  line-height: 1;
}

.collection-main > * { position: relative; z-index: 1; }
.collection-main .mono-label { color: #ccd8e4; }
.collection-main h3 { max-width: 520px; margin-bottom: 12px; font-family: var(--serif); font-size: 34px; font-weight: 500; }
.collection-main p { max-width: 550px; margin-bottom: 0; color: #d6e0ea; font-size: 14px; }

.collection-stack { display: grid; gap: 16px; }

.collection-stack a {
  min-height: 187px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.collection-stack .collection-link-research {
  min-height: 230px;
  justify-content: flex-start;
  padding: 22px 24px;
}

.collection-stack > a:not(.collection-link-research) { min-height: 144px; }
.collection-card-index { color: var(--red) !important; font-family: var(--mono); font-size: 9px !important; font-weight: 700; letter-spacing: 0.1em; }
.collection-link-research > strong { margin: 7px 0 8px; }
.collection-link-research > p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }

.collection-card-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 12px;
}

.collection-card-tools i {
  padding: 3px 6px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: var(--radius-xs);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  line-height: 1.4;
}

.collection-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.collection-card-footer b { color: var(--blue); font-size: 10px; }
.collection-card-footer i { color: var(--muted); font-size: 9px; font-style: normal; }

.collection-stack strong { font-family: var(--serif); font-size: 22px; font-weight: 600; }
.collection-stack span { color: var(--muted); font-size: 12px; }

.newsletter {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.newsletter h2 { margin-bottom: 10px; font-size: clamp(32px, 4vw, 48px); }
.newsletter p { margin-bottom: 0; color: #d1deea; }

.subscribe-form {
  display: grid;
  grid-template-columns: 1fr auto;
  background: var(--blue-deep);
  border: 1px solid #385d82;
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.subscribe-form input {
  min-width: 0;
  min-height: 52px;
  padding: 0 16px;
  color: #eef4f8;
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 14px;
}

.subscribe-form input::placeholder { color: #9db1c4; }
.subscribe-form button { min-height: 52px; padding: 0 20px; color: var(--blue); background: #fff; border: 0; font-weight: 700; }

.form-message {
  grid-column: 1 / -1;
  min-height: 0;
  padding: 0 16px;
  color: #dbe7f1;
  background: var(--blue-deep);
  font-size: 11px;
}

.form-message:not(:empty) { padding-block: 8px; border-top: 1px solid #385d82; }
.subscribe-form input[aria-invalid="true"] { box-shadow: inset 0 0 0 2px var(--red); }

.page-mast {
  padding: 46px 0 54px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 0 0 28px;
  padding: 0;
  color: var(--muted);
  list-style: none;
  font-family: var(--mono);
  font-size: 10px;
}

.breadcrumb a { color: var(--blue); text-decoration: none; }
.breadcrumb li + li::before { content: "/"; margin-right: 7px; color: var(--line-strong); }

.listing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 64px;
  align-items: end;
}

.listing-title h1,
.detail-title h1 {
  margin-bottom: 15px;
  font-size: clamp(44px, 5.5vw, 68px);
  line-height: 1.08;
}

.listing-title p,
.detail-title p { max-width: 670px; margin-bottom: 0; color: var(--muted); font-size: 17px; }

.listing-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.listing-stats div { padding: 17px 16px; }
.listing-stats strong { display: block; color: var(--blue); font-family: var(--serif); font-size: 25px; font-weight: 500; }
.listing-stats span { display: block; color: var(--muted); font-size: 10px; }

.listing-mast { padding: 30px 0 34px; }
.listing-mast .listing-hero { gap: 48px; align-items: center; }
.listing-mast .listing-title h1 { margin-bottom: 8px; font-size: clamp(38px, 4.2vw, 52px); }
.listing-mast .listing-title p { max-width: 560px; font-size: 14px; line-height: 1.7; }
.listing-mast .listing-stats div { padding: 12px 14px; }
.listing-mast .listing-stats strong { font-size: 22px; }

.listing-band { padding: 44px 0 100px; }

.listing-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}

.filter-sidebar {
  position: sticky;
  top: 98px;
  min-width: 0;
}

.filter-sidebar h2 { margin-bottom: 20px; font-family: var(--serif); font-size: 22px; }

.filter-group + .filter-group { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); }
.filter-group .mono-label { display: block; margin-bottom: 12px; color: var(--muted); }

.filter-buttons { display: grid; gap: 2px; }

.filter-button {
  min-height: 42px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  color: #4f5b67;
  background: transparent;
  border: 0;
  border-radius: var(--radius-xs);
  text-align: left;
  font-size: 13px;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), transform 160ms var(--ease);
}

.filter-button span { color: var(--muted); font-family: var(--mono); font-size: 9px; }
.filter-button.active { color: var(--blue); background: var(--blue-soft); font-weight: 700; }

.listing-main { min-width: 0; }

.listing-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-strong);
}

.toolbar-search {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 0 14px;
  background: var(--surface);
  border-radius: var(--radius-xs);
}

.toolbar-search input { min-height: 44px; font-size: 13px; }

.sort-select {
  min-height: 44px;
  padding: 0 var(--select-control-padding-right) 0 13px;
  color: var(--ink);
  background-color: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  font-size: 12px;
}

.view-switch { display: flex; padding: 3px; background: var(--surface); border-radius: var(--radius-xs); }

.view-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 3px;
  font-size: 14px;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), transform 160ms var(--ease);
}

.view-button.active { color: var(--blue); background: #fff; box-shadow: 0 1px 3px rgba(23,34,51,0.12); }

.results-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 0 10px; color: var(--muted); font-size: 12px; }
.results-meta strong { color: var(--blue); font-family: var(--mono); }

.directory-preview {
  background: var(--surface);
}

.directory-preview .filter-sidebar {
  top: 122px;
}

.directory-preview .toolbar-search,
.directory-preview .view-switch {
  background: #fff;
}

.directory-preview .view-button.active {
  background: var(--blue-soft);
}

.directory-preview-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 32px;
}

.directory-list { border-top: 1px solid var(--line); }

.directory-item {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 102px 46px;
  gap: 18px;
  align-items: start;
  min-height: 150px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: transform 160ms var(--ease), opacity 160ms var(--ease);
}

.directory-item[hidden] { display: none; }

.directory-item > .site-logo {
  align-self: start;
  margin-top: var(--site-logo-title-offset);
}

.directory-content { min-width: 0; }
.directory-content .site-heading { margin-bottom: 6px; }
.directory-content .site-heading a { text-decoration: none; }
.directory-content .site-heading a::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
}
.directory-content .site-heading a:focus-visible { outline: 0; }
.directory-content .site-heading a:focus-visible::after {
  outline: 2px solid var(--red);
  outline-offset: -3px;
}
.directory-content p { max-width: 630px; margin-bottom: 12px; color: var(--muted); font-size: 13px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.directory-item :is(.tag-row a, .bookmark-button) {
  position: relative;
  z-index: 2;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 4px 8px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: var(--radius-xs);
  font-size: 10px;
  font-weight: 600;
}

.tag.green { color: var(--green); background: var(--green-soft); }
.tag.red { color: var(--red); background: var(--red-soft); }
.tag.gold { color: #755619; background: var(--gold-soft); }

.directory-score { padding-top: 4px; text-align: right; }
.directory-score strong { display: block; color: var(--blue); font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1.1; }
.directory-score span { color: var(--muted); font-family: var(--mono); font-size: 9px; }

.bookmark-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  font-size: 16px;
  transition: transform 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.directory-list.compact .directory-item { min-height: 112px; grid-template-columns: 46px minmax(0, 1fr) 86px 42px; padding: 17px 0; }
.directory-list.compact .site-logo { width: 46px; height: 46px; font-size: 17px; }
.directory-list.compact .directory-content p { display: none; }

.list-callout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin: 30px 0;
  padding: 26px 28px;
  color: #fff;
  background: var(--blue);
  border-radius: var(--radius-sm);
}

.list-callout .mono-label { color: #cbd8e4; }
.list-callout h3 { margin: 5px 0 0; font-family: var(--serif); font-size: 21px; font-weight: 500; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
}

.page-numbers { display: flex; gap: 6px; }
.page-numbers a,
.pager-arrow {
  min-width: 40px;
  min-height: 40px;
  display: grid;
  place-items: center;
  padding: 6px 10px;
  color: var(--muted);
  border-radius: var(--radius-xs);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 11px;
}

.page-numbers a[aria-current="page"] { color: #fff; background: var(--blue); }
.pager-arrow.disabled { opacity: 0.45; cursor: not-allowed; }

.detail-mast { padding: 42px 0 52px; border-bottom: 1px solid var(--line); }

.detail-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 26px;
  align-items: center;
}

.detail-logo { width: 86px; height: 86px; font-size: 29px; }
.detail-title .site-domain { display: block; margin-bottom: 8px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.detail-title h1 { margin-bottom: 9px; }
.detail-title p { font-size: 15px; }
.detail-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 18px;
}

.detail-action-buttons,
.detail-engagement {
  display: flex;
  align-items: center;
}

.detail-action-buttons { gap: 8px; }

.detail-engagement {
  min-height: 42px;
  gap: 14px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.detail-engagement-stat {
  min-width: 0;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  white-space: nowrap;
}

.detail-helpful-button {
  transition: color 160ms var(--ease), transform 160ms var(--ease);
}

.detail-helpful-button.is-active { color: var(--red); }
.detail-helpful-button:disabled { opacity: 0.62; cursor: wait; }
.detail-engagement-icon { font-size: 16px; line-height: 1; }
.detail-view-count { color: color-mix(in srgb, var(--muted) 78%, white); }

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-item { min-height: 88px; padding: 17px 20px; border-right: 1px solid var(--line); }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; color: var(--blue); font-family: var(--serif); font-size: 23px; font-weight: 500; }
.trust-item span { color: var(--muted); font-size: 11px; }

.detail-band { padding: 60px 0 108px; background: var(--surface); }

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.45fr);
  gap: 34px;
  align-items: start;
}

.detail-main { display: grid; gap: 22px; min-width: 0; }

.content-panel {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.content-panel.panel-flush { padding: 0; overflow: hidden; }

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.panel-head h2 { margin-bottom: 0; font-size: 26px; }
.panel-head .mono-label { color: var(--red); }

.browser-preview {
  margin: 0;
  background: var(--surface-2);
}

.browser-bar {
  min-height: 44px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 0 15px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.browser-dots { display: flex; gap: 5px; }
.browser-dots i { width: 7px; height: 7px; display: block; background: var(--line-strong); border-radius: 50%; }
.browser-address { min-width: 0; padding: 5px 10px; color: var(--muted); background: var(--surface); border-radius: 3px; font-family: var(--mono); font-size: 9px; text-align: center; }
.browser-status { color: var(--green); font-family: var(--mono); font-size: 9px; }
.browser-address-link,
.browser-status-link {
  text-decoration: none;
  cursor: pointer;
  transition: color 150ms var(--ease), background 150ms var(--ease);
}
.browser-address-link:hover { color: var(--blue); background: #e8eef4; }
.browser-status-link { display: inline-flex; align-items: center; gap: 4px; }
.browser-status-link::after { content: "↗"; font-size: 8px; opacity: 0.72; }
.browser-status-link:hover { color: #166f58; }
.browser-address-link:focus-visible,
.browser-status-link:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.preview-stage {
  min-height: 430px;
  display: grid;
  place-items: center;
  padding: 36px;
  background: var(--blue-soft);
}

.preview-artboard {
  width: min(620px, 100%);
  min-height: 326px;
  padding: 26px;
  color: #201f28;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 22px 60px rgba(23, 34, 51, 0.14);
  outline: 1px solid rgba(32,31,40,0.08);
  outline-offset: -1px;
}

.preview-nav { display: flex; align-items: center; justify-content: space-between; padding-bottom: 22px; border-bottom: 1px solid #ecebf0; }
.preview-nav strong { font-size: 14px; }
.preview-nav span { color: #77727f; font-size: 9px; letter-spacing: 0.08em; }
.preview-body { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 26px; align-items: center; padding-top: 34px; }
.preview-copy b { display: block; max-width: 250px; margin-bottom: 13px; font-size: clamp(23px, 3.2vw, 39px); line-height: 1.05; letter-spacing: -0.022em; }
.preview-copy i { display: block; width: 72%; height: 8px; margin-bottom: 8px; background: #dedbe4; border-radius: 3px; }
.preview-copy i:nth-child(3) { width: 54%; }
.preview-visual { min-height: 190px; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 9px; padding: 15px; background: var(--blue); border-radius: 8px; }
.preview-visual div { background: rgba(255,255,255,0.88); border-radius: 5px; }
.preview-visual div:last-child { display: grid; grid-template-rows: 1fr 0.6fr; gap: 9px; background: transparent; }
.preview-visual span { display: block; background: rgba(255,255,255,0.76); border-radius: 5px; }
.preview-caption { padding: 14px 18px; color: var(--muted); background: #fff; border-top: 1px solid var(--line); font-size: 11px; }

.editorial-copy { color: #3f4b57; font-size: 15px; }
.editorial-copy p:last-child { margin-bottom: 0; }

.quote-block {
  margin: 24px 0 0;
  padding: 22px 24px;
  color: #fff;
  background: var(--blue);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.7;
}

.feature-checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.feature-check {
  min-height: 142px;
  padding: 22px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-check:nth-child(2n) { border-right: 0; }
.feature-check:nth-last-child(-n + 2) { border-bottom: 0; }
.feature-check .mono-label { color: var(--green); }
.feature-check h3 { margin: 7px 0 6px; font-family: var(--serif); font-size: 18px; }
.feature-check p { margin-bottom: 0; color: var(--muted); font-size: 12px; }

.use-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; counter-reset: use; }
.use-list li { counter-increment: use; display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.use-list li:last-child { border-bottom: 0; }
.use-list li::before { content: "0" counter(use); color: var(--red); font-family: var(--mono); font-size: 10px; font-weight: 700; }
.use-list strong { display: block; margin-bottom: 4px; font-family: var(--serif); font-size: 17px; }
.use-list span { color: var(--muted); font-size: 12px; }

.detail-sidebar { position: sticky; top: 98px; display: grid; gap: 16px; }

.score-card {
  padding: 28px;
  color: #fff;
  background: var(--blue);
  border-radius: var(--radius-sm);
}

.score-card .mono-label { color: #cbd8e4; }
.score-number { display: flex; align-items: baseline; gap: 5px; margin: 13px 0 20px; }
.score-number strong { font-family: var(--serif); font-size: 66px; font-weight: 500; line-height: 1; }
.score-number span { color: #cbd8e4; font-family: var(--mono); font-size: 10px; }

.score-bars { display: grid; gap: 10px; }
.score-row { display: grid; grid-template-columns: 56px 1fr 22px; gap: 8px; align-items: center; color: #d6e0ea; font-size: 10px; }
.score-row b { text-align: right; font-family: var(--mono); font-weight: 500; }
.score-bar {
  width: 100%;
  height: 3px;
  overflow: hidden;
  appearance: none;
  border: 0;
  background: rgba(255,255,255,0.18);
}
.score-bar::-webkit-progress-bar { background: rgba(255,255,255,0.18); }
.score-bar::-webkit-progress-value { background: #fff; }
.score-bar::-moz-progress-bar { background: #fff; }

.detail-logo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  border-radius: inherit;
}

.preview-stage.has-image {
  min-height: 0;
  background: #fff;
}

.preview-stage.has-image img {
  width: 100%;
  height: auto;
  display: block;
}

.source-link-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.source-link-list a {
  color: var(--blue);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.fact-card { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.fact-card h2 { margin-bottom: 18px; font-size: 21px; }
.fact-list { display: grid; grid-template-columns: 80px minmax(0, 1fr); margin: 0; }
.fact-list dt,
.fact-list dd { margin: 0; padding: 11px 0; border-bottom: 1px solid var(--line); }
.fact-list dt { color: var(--muted); font-size: 11px; }
.fact-list dd { color: #34414d; font-size: 11px; text-align: right; overflow-wrap: anywhere; }
.fact-list dt:last-of-type,
.fact-list dd:last-of-type { border-bottom: 0; }

.related-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-site { min-height: 170px; display: flex; flex-direction: column; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); text-decoration: none; transition: transform 160ms var(--ease), box-shadow 160ms var(--ease); }
.related-site .site-logo {
  width: 46px;
  height: 46px;
  margin: 0 0 18px;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}
.related-site strong { font-family: var(--serif); font-size: 18px; }
.related-site > span:last-child { margin-top: auto; color: var(--muted); font-size: 11px; }

.submit-mast {
  padding: 24px 0 26px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.submit-mast .breadcrumb { margin-bottom: 14px; }

.submit-hero { display: block; }
.submit-title .eyebrow { margin-bottom: 7px; }

.submit-title > p:last-child {
  max-width: 900px;
  margin-bottom: 0;
  color: #465360;
  font-size: 13px;
  line-height: 1.7;
}

.submit-band {
  padding: 36px 0 88px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.submit-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.56fr) minmax(292px, 0.44fr);
  gap: 34px;
  align-items: start;
}

.submit-form-shell { min-width: 0; }

.submit-form,
.submit-success {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(23, 34, 51, 0.08);
}

.submit-form-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 24px 34px 20px;
}

.submit-form-head .mono-label { margin-bottom: 6px; color: var(--red); }
.submit-form-head h1 { margin-bottom: 0; font-size: 30px; }
.submit-form-head > p { margin-bottom: 2px; color: var(--muted); font-size: 11px; }
.submit-form-head > p span { color: var(--red); }

.form-section {
  min-width: 0;
  margin: 0;
  padding: 8px 34px 22px;
  border: 0;
}

.form-section-title {
  width: 100%;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin-bottom: 8px;
  padding: 0;
}

.form-section-title span {
  color: var(--red);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
}

.form-section-title strong { font-family: var(--serif); font-size: 21px; font-weight: 600; }

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-section > .field-grid + .form-field,
.form-section > .form-field + .form-field,
.form-section > .form-field + .field-grid { margin-top: 20px; }

.form-field { min-width: 0; }
.form-field.full { width: 100%; }

.form-field label,
.field-question {
  display: block;
  margin-bottom: 8px;
  color: #34414d;
  font-size: 12px;
  font-weight: 700;
}

.required { color: var(--red); }
.optional { margin-left: 5px; color: var(--muted); font-size: 10px; font-weight: 500; }

.field-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.field-label-row > span { color: var(--muted); font-family: var(--mono); font-size: 9px; }
.field-label-row output { font-variant-numeric: tabular-nums; }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  color: var(--ink);
  background-color: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xs);
  font-size: 13px;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease), background-color 160ms var(--ease);
}

.form-field input,
.form-field select { min-height: 48px; padding: 0 13px; }
.form-field select { padding-right: var(--select-control-padding-right); }

.form-field textarea {
  display: block;
  min-height: 112px;
  padding: 12px 13px;
  line-height: 1.7;
  resize: vertical;
}

.form-field textarea[name="description"] { min-height: 160px; }

.form-field input::placeholder,
.form-field textarea::placeholder { color: #929aa2; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27, 65, 111, 0.1);
  outline: 0;
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: var(--red);
  background-color: #fffaf9;
}

.url-input-wrap { position: relative; }
.url-input-wrap > span {
  position: absolute;
  left: 14px;
  top: 50%;
  z-index: 1;
  color: var(--blue);
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 14px;
}
.url-input-wrap input { padding-left: 40px; font-family: var(--mono); font-size: 11px; }

.field-note,
.field-error {
  display: block;
  margin-top: 6px;
  font-size: 10px;
  line-height: 1.55;
}

.field-note { color: var(--muted); }
.field-error { min-height: 0; color: var(--red); font-weight: 600; }
.field-error:not(:empty) { min-height: 16px; }

.url-check {
  display: grid;
  grid-template-columns: 9px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-top: 14px;
  padding: 13px 15px;
  background: var(--surface);
  border-radius: var(--radius-xs);
}

.url-check-mark {
  width: 7px;
  height: 7px;
  margin-top: 6px;
  background: var(--line-strong);
  border-radius: 50%;
}

.url-check strong { display: block; color: #465360; font-size: 11px; }
.url-check small { display: block; margin-top: 1px; color: var(--muted); font-size: 10px; }
.url-check.valid { background: var(--green-soft); }
.url-check.valid .url-check-mark { background: var(--green); }
.url-check.valid strong { color: var(--green); }
.url-check.duplicate,
.url-check.invalid { background: var(--red-soft); }
.url-check.duplicate .url-check-mark,
.url-check.invalid .url-check-mark { background: var(--red); }
.url-check.duplicate strong,
.url-check.invalid strong { color: var(--red); }

.choice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }

.choice-option {
  min-height: 46px;
  display: flex !important;
  align-items: center;
  gap: 8px;
  margin: 0 !important;
  padding: 9px 10px;
  color: var(--muted) !important;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: 11px !important;
  font-weight: 500 !important;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease), transform 160ms var(--ease);
}

.choice-option input {
  width: 16px;
  min-height: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  accent-color: var(--blue);
}

.choice-option:has(input:checked) { color: var(--blue) !important; background: var(--blue-soft); border-color: #b7c9da; }
.choice-option:has(input:focus-visible) { outline: 2px solid var(--red); outline-offset: 2px; }
.choice-option:active { transform: scale(0.98); }

.agreement {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin-top: 24px;
  color: #53606c;
  cursor: pointer;
  font-size: 11px;
}

.agreement input { width: 17px; height: 17px; margin: 4px 0 0; accent-color: var(--blue); }
.agreement-error { margin-left: 28px; }

.submit-actions {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 28px 34px 32px;
  background: #fbfcfb;
  border-top: 1px solid var(--line);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.submit-primary {
  min-width: 174px;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 17px;
  color: #fff;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 700;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.submit-primary:active { transform: scale(0.96); }
.submit-actions p { max-width: 360px; margin: 0; color: var(--muted); font-size: 10px; }

.submit-guide {
  position: sticky;
  top: 98px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.guide-section { padding: 26px; }
.guide-section + .guide-section { border-top: 1px solid var(--line); }
.guide-section .mono-label { margin-bottom: 8px; color: var(--red); }
.guide-section h2 { margin-bottom: 20px; font-size: 22px; line-height: 1.35; }

.criteria-list,
.review-route ol { margin: 0; padding: 0; list-style: none; }
.criteria-list { display: grid; counter-reset: criteria; }
.criteria-list li { counter-increment: criteria; display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 15px 0; border-top: 1px solid var(--line); }
.criteria-list li::before { content: "0" counter(criteria); color: var(--red); font-family: var(--mono); font-size: 9px; font-weight: 700; }
.criteria-list strong { display: block; margin-bottom: 3px; font-family: var(--serif); font-size: 15px; }
.criteria-list span { display: block; color: var(--muted); font-size: 10px; line-height: 1.65; }

.review-route ol { display: grid; gap: 13px; }
.review-route li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; }
.review-route li > span { color: var(--blue); font-family: var(--mono); font-size: 9px; font-weight: 700; }
.review-route strong { display: block; font-size: 11px; }
.review-route small { display: block; margin-top: 2px; color: var(--muted); font-size: 9px; line-height: 1.55; }

.guide-note {
  margin: 0;
  padding: 20px 26px;
  color: #d5e0eb;
  background: var(--blue);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 10px;
  line-height: 1.7;
}
.guide-note a { color: #fff; text-underline-offset: 3px; }

.submit-success {
  min-height: 640px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 56px;
}
.submit-success[hidden] { display: none; }
.success-stamp { width: 60px; height: 60px; display: grid; place-items: center; margin-bottom: 30px; color: var(--red); border: 1px solid var(--red); border-radius: 50%; font-family: var(--serif); font-size: 24px; }
.submit-success .mono-label { margin-bottom: 10px; color: var(--green); }
.submit-success h2 { margin-bottom: 18px; font-size: clamp(38px, 4.5vw, 56px); }
.submit-success > p:not(.mono-label) { max-width: 560px; margin-bottom: 34px; color: var(--muted); font-size: 15px; }
.receipt-row { width: min(100%, 560px); display: flex; justify-content: space-between; gap: 20px; margin-bottom: 34px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.receipt-row span { color: var(--muted); font-size: 11px; }
.receipt-row strong { color: var(--blue); font-family: var(--mono); font-size: 11px; font-variant-numeric: tabular-nums; }
.success-actions { display: flex; flex-wrap: wrap; gap: 9px; }

/* Recommended topics channel */
.topics-feature-band {
  padding: 34px 0 0;
  background: #fff;
}

.featured-topic {
  --featured-index-width: 52px;
  --featured-gap: 26px;
  min-height: 208px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 245px 32px;
  gap: var(--featured-gap);
  align-items: center;
  padding: 30px 8px 30px 0;
  color: var(--ink);
  background: transparent;
  text-decoration: none;
  touch-action: manipulation;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

.featured-topic:active { transform: scale(0.99); }

.featured-topic-lead {
  min-width: 0;
  display: grid;
  grid-template-columns: var(--featured-index-width) minmax(0, 1fr);
  gap: var(--featured-gap);
  align-items: start;
}

.featured-topic-index {
  display: flex;
  flex-direction: column;
  margin-top: 28px;
  color: var(--red);
  font-variant-numeric: tabular-nums;
}

.featured-topic-index b {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
}

.featured-topic-copy {
  min-width: 0;
  display: block;
}

.topic-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.04em;
}

.topic-kicker b {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--red);
  font-weight: 700;
}

.topic-kicker b::before {
  width: 5px;
  height: 5px;
  background: var(--red);
  border-radius: 50%;
  content: "";
}

.topic-kicker time { white-space: nowrap; }

.featured-topic-title {
  max-width: 720px;
  display: block;
  margin-bottom: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.25;
  text-wrap: balance;
}

.featured-topic-summary {
  max-width: 680px;
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
  text-wrap: pretty;
}

.featured-topic-sites {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.featured-topic-sites i {
  padding: 3px 7px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: var(--radius-xs);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
}

.featured-topic-meta {
  display: block;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.featured-topic-meta b {
  display: block;
  color: var(--blue);
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.featured-topic-meta small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
}

.featured-topic-action {
  color: var(--blue);
  font-size: 17px;
  transition: transform 160ms var(--ease);
}

.topics-ledger-band {
  padding: 0 0 112px;
  background: #fff;
}

.topic-ledger { display: grid; }

.topic-entry {
  --topic-index-width: 52px;
  --topic-gap: 26px;
  min-height: 176px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 245px 32px;
  gap: var(--topic-gap);
  align-items: center;
  padding: 27px 8px 27px 0;
  color: var(--ink);
  text-decoration: none;
  touch-action: manipulation;
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}

.topic-entry:active { transform: scale(0.99); }
.topic-entry-lead {
  min-width: 0;
  display: grid;
  grid-template-columns: var(--topic-index-width) minmax(0, 1fr);
  gap: var(--topic-gap);
  align-items: start;
}
.topic-entry-index {
  align-self: start;
  margin-top: 28px;
  color: var(--red);
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.topic-entry-copy { min-width: 0; display: block; }
.topic-entry-copy > strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 27px; font-weight: 600; line-height: 1.3; }
.topic-entry-copy > span:not(.topic-domains):not(.topic-kicker) { max-width: 680px; display: block; color: var(--muted); font-size: 12px; line-height: 1.75; }

.topic-domains {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 13px;
}

.topic-domains i {
  padding: 3px 7px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: var(--radius-xs);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
}

.topic-entry-meta { display: block; padding-left: 24px; border-left: 1px solid var(--line); }
.topic-entry-meta b { display: block; color: var(--blue); font-family: var(--serif); font-size: 19px; font-weight: 600; }
.topic-entry-meta small { display: block; margin-top: 6px; color: var(--muted); font-size: 9px; }
.topic-entry-arrow { color: var(--blue); font-size: 15px; transition: transform 160ms var(--ease); }

.topics-method-band {
  padding: 80px 0 92px;
  color: #eef4f8;
  background: var(--blue);
  border-bottom: 1px solid var(--line);
}

.topics-method {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) minmax(0, 1.52fr);
  gap: clamp(44px, 8vw, 110px);
  align-items: start;
}

.topics-method .mono-label { margin-bottom: 8px; color: #f0b2aa; }
.topics-method h1 { max-width: 420px; margin-bottom: 12px; color: #f4f7fa; font-size: clamp(34px, 4vw, 48px); line-height: 1.2; }
.topics-page-lede { max-width: 420px; margin: 0; color: #b9c9d7; font-size: 11px; line-height: 1.75; }
.topics-method ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 52px); margin: 0; padding: 0; list-style: none; }
.topics-method li { min-height: 185px; padding: 23px 0 0; }
.topics-method li > span { color: #f0b2aa; font-family: var(--mono); font-size: 9px; }
.topics-method li strong { display: block; margin: 28px 0 8px; color: #f4f7fa; font-family: var(--serif); font-size: 18px; }
.topics-method li small { display: block; color: #b9c9d7; font-size: 10px; line-height: 1.75; }

@media (hover: hover) {
  .featured-topic:hover .featured-topic-action,
  .topic-entry:hover .topic-entry-arrow { transform: translate(3px, -3px); }
  .featured-topic:hover,
  .topic-entry:hover { background: var(--surface); transform: translateX(5px); }
}

/* Topic website list */
.topic-page-mast {
  padding: 28px 0 62px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.topic-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(310px, 0.62fr);
  gap: clamp(48px, 8vw, 100px);
  align-items: end;
  padding-top: 54px;
}

.topic-page-title .eyebrow { margin-bottom: 14px; color: var(--red); }

.topic-page-title h1 {
  max-width: 830px;
  margin-bottom: 20px;
  font-size: clamp(52px, 6vw, 78px);
  line-height: 1.08;
}

.topic-page-title > p:last-child { max-width: 760px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

.topic-page-facts {
  margin: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.topic-page-facts div { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 18px; align-items: baseline; padding: 15px 0; border-bottom: 1px solid var(--line); }
.topic-page-facts div:last-child { border-bottom: 0; }
.topic-page-facts dt { color: var(--muted); font-size: 10px; }
.topic-page-facts dd { margin: 0; color: var(--blue); font-family: var(--serif); font-size: 19px; }
.topic-page-facts div:first-child dd { font-size: 29px; font-variant-numeric: tabular-nums; }

.topic-page-band { padding: 68px 0 110px; background: var(--surface); border-bottom: 1px solid var(--line); }

.topic-page-layout {
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
  gap: clamp(38px, 6vw, 72px);
  align-items: start;
}

.topic-page-guide {
  position: sticky;
  top: 98px;
  padding: 25px 23px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px rgba(23, 34, 51, 0.1), 0 12px 28px rgba(23, 34, 51, 0.05);
}

.topic-page-index { display: block; margin-bottom: 26px; color: var(--blue); font-family: var(--serif); font-size: 70px; line-height: 0.9; }
.topic-page-guide .mono-label { margin-bottom: 6px; color: var(--red); }
.topic-page-guide h2 { margin-bottom: 18px; font-size: 22px; line-height: 1.35; }
.topic-page-guide ol { display: grid; gap: 0; margin: 0 0 22px; padding: 0; list-style: none; counter-reset: topic-criteria; }
.topic-page-guide li { counter-increment: topic-criteria; display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 8px; padding: 11px 0; color: var(--muted); border-top: 1px solid var(--line); font-size: 10px; }
.topic-page-guide li::before { content: "0" counter(topic-criteria); color: var(--red); font-family: var(--mono); font-size: 8px; }
.topic-page-guide .text-link { font-size: 10px; }

.topic-page-content { min-width: 0; }
.topic-page-content-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 0.7fr); gap: 32px; align-items: end; margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--line-strong); }
.topic-page-content-head .mono-label { grid-column: 1 / -1; margin-bottom: -22px; color: var(--red); }
.topic-page-content-head h2 { margin: 0; font-size: clamp(36px, 4vw, 48px); }
.topic-page-content-head > p:last-child { margin: 0; color: var(--muted); font-size: 11px; }
.topic-site-list { display: grid; }

.topic-site {
  min-height: 146px;
  display: grid;
  grid-template-columns: 32px 56px minmax(0, 1fr) auto;
  gap: 17px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.topic-site-order { align-self: start; padding-top: 7px; color: var(--red); font-family: var(--mono); font-size: 8px; }
.topic-site .site-logo { width: 56px; height: 56px; font-size: 17px; }
.topic-site-copy { min-width: 0; }
.topic-site-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px 11px; }
.topic-site-title strong { font-family: var(--serif); font-size: 20px; }
.topic-site-title code { color: var(--muted); font-family: var(--mono); font-size: 8px; overflow-wrap: anywhere; }
.topic-site-copy p { max-width: 700px; margin: 5px 0 9px; color: var(--muted); font-size: 11px; line-height: 1.75; }
.topic-site > a { min-width: 74px; min-height: 40px; display: inline-flex; align-items: center; justify-content: flex-end; gap: 7px; color: var(--blue); text-decoration: none; font-size: 10px; font-weight: 700; }
.topic-site > a span { transition: transform 160ms var(--ease); }

@media (hover: hover) {
  .topic-site > a:hover { color: var(--red); }
  .topic-site > a:hover span { transform: translate(3px, -3px); }
}

/* Collection detail */
.collection-mast {
  color: #f2f6fa;
  background: var(--blue-deep);
  overflow: hidden;
}

.collection-breadcrumb { padding-top: 20px; color: #aebed0; }
.collection-breadcrumb a { color: #dfe8f1; }
.collection-breadcrumb li + li::before { color: #7188a0; }

.collection-cover {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(34px, 5vw, 64px);
  align-items: center;
  padding: 24px 0 30px;
}

.collection-cover-copy { align-self: center; }

.collection-kicker-line {
  max-width: 760px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
  color: #aebed0;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.collection-kicker-line span { color: #f0b2aa; }

.collection-cover h1 {
  max-width: 800px;
  margin-bottom: 16px;
  color: #f7f9fb;
  font-size: clamp(44px, 4.9vw, 66px);
  line-height: 1.05;
}

.collection-lede {
  max-width: 680px;
  margin-bottom: 20px;
  color: #cbd8e5;
  font-size: 15px;
  line-height: 1.75;
}

.collection-cover-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.collection-primary-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.collection-start-button { color: var(--blue-deep); background: #f3f6f9; border-color: #f3f6f9; }
.collection-ghost-button,
.collection-copy-button { color: #f2f6fa; background: transparent; border-color: #607c98; }
.collection-ghost-button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.collection-engagement {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 6px;
  padding-left: 14px;
  border-left: 1px solid #607c98;
}

.collection-helpful,
.collection-view-count {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 8px;
  color: #aebed0;
  font-family: var(--mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.collection-helpful {
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color 160ms var(--ease), transform 160ms var(--ease);
}

.collection-helpful:disabled { cursor: wait; opacity: 0.62; }
.collection-helpful svg,
.collection-view-count svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.45;
}
.collection-helpful[aria-pressed="true"] { color: #f0b2aa; }
.collection-helpful[aria-pressed="true"] svg { fill: currentColor; }
.collection-view-count { cursor: default; }

.collection-route-map {
  padding: 18px 24px 10px;
  background: #16395f;
  box-shadow: 0 20px 55px rgba(2, 14, 28, 0.23);
}

.route-map-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  color: #aebed0;
  border-bottom: 1px solid #375a7d;
  font-size: 10px;
}

.collection-route-map .mono-label { color: #f0b2aa; }
.collection-route-map ol { position: relative; margin: 0; padding: 0; list-style: none; counter-reset: route; }
.collection-route-map li + li { border-top: 1px solid #2d5176; }

.collection-route-map a {
  min-height: 48px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  color: #e8eff6;
  text-decoration: none;
}

.collection-route-map a > span { color: #7f99b2; font-family: var(--mono); font-size: 9px; }
.collection-route-map a > strong { font-family: var(--serif); font-size: 14px; font-weight: 600; }
.collection-route-map a > small { color: #9eb0c2; font-size: 8px; }

.collection-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #365779;
}

.collection-facts div { min-height: 76px; display: flex; flex-direction: column; justify-content: center; padding: 13px 24px; }
.collection-facts div + div { border-left: 1px solid #365779; }
.collection-facts div:first-child { padding-left: 0; }
.collection-facts strong { color: #f3f7fa; font-family: var(--serif); font-size: 27px; font-weight: 500; font-variant-numeric: tabular-nums; line-height: 1.1; }
.collection-facts span { margin-top: 5px; color: #9eb0c2; font-size: 9px; }

.collection-detail-band { padding: 72px 0 110px; background: var(--surface); }

.collection-detail-layout {
  display: grid;
  grid-template-columns: 222px minmax(0, 1fr);
  align-items: start;
  gap: clamp(36px, 5vw, 68px);
}

.collection-progress-rail {
  position: sticky;
  top: 98px;
  padding: 22px 20px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px rgba(23, 34, 51, 0.1), 0 12px 28px rgba(23, 34, 51, 0.05);
}

.collection-progress-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.collection-progress-head .mono-label { color: var(--red); }
.collection-progress-head strong { color: var(--blue); font-family: var(--mono); font-size: 11px; font-variant-numeric: tabular-nums; }

.collection-progress-bar { width: 100%; height: 3px; margin: 16px 0 18px; border: 0; border-radius: 0; background: var(--surface-2); overflow: hidden; appearance: none; }
.collection-progress-bar::-webkit-progress-bar { background: var(--surface-2); }
.collection-progress-bar::-webkit-progress-value { background: var(--green); transition: width 240ms var(--ease); }
.collection-progress-bar::-moz-progress-bar { background: var(--green); transition: width 240ms var(--ease); }

.collection-step-nav { display: grid; }
.collection-step-nav a {
  min-height: 47px;
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  text-decoration: none;
  font-size: 11px;
}

.collection-step-nav a > span { color: var(--line-strong); font-family: var(--mono); font-size: 8px; }
.collection-step-nav a > strong { font-weight: 500; }
.collection-step-nav a > i { color: var(--line-strong); font-style: normal; font-size: 12px; }
.collection-step-nav a[aria-current="true"] { color: var(--blue); }
.collection-step-nav a[aria-current="true"] > span { color: var(--red); }
.collection-step-nav a.complete > i { color: var(--green); }
.collection-progress-note { margin: 17px 0 0; color: var(--muted); font-size: 9px; line-height: 1.7; }

.collection-story { min-width: 0; display: grid; gap: 34px; }

.collection-editor-note {
  padding: 5px 0 36px;
  border-bottom: 1px solid var(--line-strong);
}

.collection-editor-note .mono-label { margin-bottom: 8px; color: var(--red); }
.collection-editor-note h2 { max-width: 720px; margin-bottom: 14px; font-size: clamp(30px, 3vw, 42px); line-height: 1.25; }
.collection-editor-note > div:last-child > p:not(.mono-label) { max-width: 770px; margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.collection-note-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--blue); font-size: 10px; }

.route-stage {
  scroll-margin-top: 96px;
  padding: clamp(28px, 4vw, 44px);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 1px 3px rgba(23, 34, 51, 0.1), 0 18px 40px rgba(23, 34, 51, 0.045);
}

.route-stage-head {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  padding-bottom: 30px;
}

.route-stage-number { min-height: 78px; display: grid; align-content: start; padding-top: 4px; border-top: 2px solid var(--red); }
.route-stage-number span { margin-top: 7px; color: var(--red); font-family: var(--mono); font-size: 8px; letter-spacing: 0.14em; }
.route-stage-number strong { margin-top: 1px; color: var(--blue); font-family: var(--serif); font-size: 36px; font-weight: 500; line-height: 1; }
.route-stage-title .mono-label { margin-bottom: 7px; color: var(--green); }
.route-stage-title h2 { margin-bottom: 8px; font-size: clamp(30px, 3vw, 40px); line-height: 1.2; }
.route-stage-title > p:last-child { max-width: 690px; margin-bottom: 0; color: var(--muted); font-size: 13px; }
.route-stage-time { padding: 5px 9px; color: var(--blue); background: var(--blue-soft); border-radius: var(--radius-xs); font-family: var(--mono); font-size: 9px; white-space: nowrap; }

.route-stage-brief {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 22px;
  margin-bottom: 8px;
  padding: 18px 20px;
  background: var(--surface);
  border-radius: var(--radius-sm);
}

.route-stage-brief strong { color: var(--blue); font-size: 10px; }
.route-stage-brief p { margin: 0; color: var(--muted); font-size: 11px; }

.route-tool-list { display: grid; }
.route-tool {
  min-height: 130px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 24px 0;
  color: inherit;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color 160ms var(--ease), transform 160ms var(--ease);
}

.route-tool .site-logo {
  width: 56px;
  height: 56px;
  align-self: start;
  margin-top: var(--site-logo-title-offset);
  font-size: 20px;
}
.route-tool-title { display: flex; align-items: baseline; flex-wrap: wrap; gap: 5px 10px; }
.route-tool-title strong { font-family: var(--serif); font-size: 20px; font-weight: 600; }
.route-tool-title code { color: var(--muted); font-family: var(--mono); font-size: 10px; }
.route-tool p { max-width: 670px; margin: 5px 0 9px; color: var(--muted); font-size: 11px; line-height: 1.75; }
.route-tool-action { min-width: 58px; min-height: 40px; display: inline-flex; align-items: center; justify-content: flex-end; color: var(--blue); font-size: 10px; font-weight: 700; }
.route-tool-status { min-width: 58px; display: inline-flex; justify-content: flex-end; color: var(--muted); font-size: 10px; font-weight: 700; }
.route-tool-featured { position: relative; }
.route-tool-featured::before { content: "本步首选"; position: absolute; right: 0; top: 0; color: var(--red); font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em; }

.route-more-tools { margin-top: 8px; border-bottom: 1px solid var(--line); }
.route-more-tools summary { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--blue); cursor: pointer; font-size: 10px; font-weight: 700; list-style: none; }
.route-more-tools summary::-webkit-details-marker { display: none; }
.route-more-tools summary span { font-family: var(--serif); font-size: 17px; font-weight: 400; transition: transform 160ms var(--ease); }
.route-more-tools[open] summary span { transform: rotate(45deg); }
.route-more-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; padding-bottom: 18px; background: var(--line); }
.route-more-grid > a,
.route-more-item { min-height: 74px; display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 12px; color: var(--ink); background: var(--surface); text-decoration: none; }
.route-more-item-unavailable { color: var(--muted); }
.route-more-grid .site-logo { width: 38px; height: 38px; font-size: 11px; }
.route-more-grid strong { display: block; font-family: var(--serif); font-size: 13px; }
.route-more-grid small { display: block; margin-top: 2px; color: var(--muted); font-size: 8px; }
.route-more-grid b { color: var(--blue); font-size: 10px; }
.route-more-item-unavailable b { color: var(--muted); white-space: nowrap; }

.route-checkpoint {
  min-height: 60px;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding: 10px 14px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.route-checkpoint input { position: absolute; opacity: 0; pointer-events: none; }
.route-checkpoint > span { width: 22px; height: 22px; display: grid; place-items: center; color: #fff; background: #fff; border: 1px solid #9cb0c4; border-radius: 50%; }
.route-checkpoint > span::after { content: "✓"; opacity: 0; font-size: 11px; transform: scale(0.7); transition: opacity 120ms var(--ease), transform 120ms var(--ease); }
.route-checkpoint input:checked + span { background: var(--green); border-color: var(--green); }
.route-checkpoint input:checked + span::after { opacity: 1; transform: scale(1); }
.route-checkpoint input:focus-visible + span { outline: 2px solid var(--red); outline-offset: 3px; }
.route-checkpoint strong { font-size: 11px; }
.route-checkpoint small { color: #6a829b; font-size: 9px; }
.route-stage.complete .route-stage-number { border-color: var(--green); }
.route-stage.complete .route-stage-number span { color: var(--green); }

.collection-finish {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 38px 40px;
  color: #eef4f8;
  background: var(--blue-deep);
  border-radius: var(--radius-md);
}

.collection-finish-index { color: #7390ab; font-family: var(--mono); font-size: 11px; }
.collection-finish .mono-label { margin-bottom: 5px; color: #f0b2aa; }
.collection-finish h2 { margin-bottom: 8px; color: #f4f7fa; font-size: 29px; }
.collection-finish p:last-child { max-width: 600px; margin: 0; color: #b7c7d6; font-size: 11px; }
.collection-finish .button { color: var(--blue-deep); background: #f2f6f9; border-color: #f2f6f9; white-space: nowrap; }

.collection-related { padding-top: 24px; }
.collection-related .panel-head { padding-bottom: 12px; border-bottom: 1px solid var(--line-strong); }
.collection-related .panel-head h2 { font-size: 28px; }
.collection-related-list { display: grid; }
.collection-related-list > a { min-height: 92px; display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: 18px; color: var(--ink); border-bottom: 1px solid var(--line); text-decoration: none; }
.collection-related-list > a > span { color: var(--red); font-family: var(--mono); font-size: 9px; }
.collection-related-list strong { display: block; font-family: var(--serif); font-size: 18px; }
.collection-related-list small { display: block; margin-top: 5px; color: var(--muted); font-size: 9px; }
.collection-related-list b { color: var(--blue); font-size: 11px; }

.site-footer { padding: 54px 0 72px; background: #fff; }

.footer-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.footer-brand { font-family: var(--serif); font-size: 27px; }
.footer-brand p { max-width: 340px; margin: 8px 0 0; color: var(--muted); font-family: var(--sans); font-size: 12px; }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links strong { display: block; margin-bottom: 10px; font-size: 12px; }
.footer-links a { display: block; min-height: 30px; color: var(--muted); text-decoration: none; font-size: 11px; }

.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 42px; padding-top: 20px; color: var(--muted); border-top: 1px solid var(--line); font-family: var(--mono); font-size: 9px; }

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  color: #fff;
  background: var(--blue);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(27, 65, 111, 0.25);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
}

.back-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

.reveal { opacity: 0; transform: translateY(12px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity 480ms var(--ease), transform 480ms var(--ease); }

.empty-state { display: none; padding: 64px 24px; text-align: center; border-bottom: 1px solid var(--line); }
.empty-state.visible { display: block; }
.empty-state strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: 25px; }
.empty-state p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 150;
  padding: 11px 15px;
  color: #fff;
  background: var(--ink);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translate(-50%, 10px);
  pointer-events: none;
  font-size: 12px;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
}

.toast.visible { opacity: 1; transform: translate(-50%, 0); }

:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

@media (hover: hover) {
  .primary-nav a:hover { color: var(--blue); }
  .primary-nav a:hover::after { transform: scaleX(1); }
  .header-action:hover,
  .button:not(.secondary):not(.subtle):hover { background: #15395f; box-shadow: 0 8px 18px rgba(27,65,111,0.18); transform: translateY(-1px); }
  .button.secondary:hover,
  .button.subtle:hover { background: var(--blue-soft); transform: translateY(-1px); }
  .route-list a:hover { color: var(--blue); }
  .text-link:hover { text-decoration-thickness: 2px; }
  .featured-site:hover { transform: translateX(5px); }
  .filter-button:hover { color: var(--blue); background: var(--surface); }
  .directory-item:hover { transform: translateX(4px); }
  .directory-item:hover .site-heading a { color: var(--blue); }
  .bookmark-button:hover { color: #fff; background: var(--blue); border-color: var(--blue); }
  .detail-helpful-button:hover { color: var(--red); transform: translateY(-1px); }
  .related-site:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }
  .collection-start-button:hover { color: var(--blue-deep); background: #fff; box-shadow: 0 8px 18px rgba(2, 14, 28, 0.2); transform: translateY(-1px); }
  .collection-ghost-button:hover,
  .collection-copy-button:hover { color: #fff; background: #244c75; transform: translateY(-1px); }
  .collection-helpful:hover { color: #f0b2aa; transform: translateY(-1px); }
  .collection-route-map a:hover { color: #fff; }
  .collection-step-nav a:hover { color: var(--blue); }
  .route-tool[href]:hover { transform: translateX(4px); }
  .route-tool[href]:hover .route-tool-action,
  .route-more-tools summary:hover,
  .collection-related-list > a:hover strong { color: var(--red); }
  .route-more-grid > a:hover { background: var(--blue-soft); }
  .route-checkpoint:hover { box-shadow: inset 0 0 0 1px #a8bacb; }
  .submit-primary:hover { background: #15395f; box-shadow: 0 8px 18px rgba(27,65,111,0.18); transform: translateY(-1px); }
  .choice-option:hover { color: var(--blue) !important; border-color: var(--line-strong); }
  .footer-links a:hover { color: var(--blue); }
}

@media (max-width: 980px) {
  :root { --header-h: 108px; }
  .header-shell { width: 100%; grid-template-columns: 1fr auto; gap: 8px 18px; padding-top: 9px; }
  .brand { padding-left: 20px; }
  .header-action { grid-column: 2; grid-row: 1; margin-right: 20px; }
  .primary-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; padding: 0 12px; border-top: 1px solid var(--line); }
  .primary-nav a { padding-block: 12px; }
  .primary-nav a::after { bottom: 0; }
  .hero-grid { gap: 38px; }
  .editorial-layout { grid-template-columns: minmax(0, 1fr) 280px; }
  .listing-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 30px; }
  .directory-item { grid-template-columns: 54px minmax(0, 1fr) 82px 42px; gap: 14px; }
  .detail-layout { grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; }
  .submit-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; }
  .choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .home-hero { min-height: auto; padding: 48px 0 42px; }
  .hero-grid,
  .newsletter,
  .listing-hero,
  .detail-layout,
  .footer-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 28px; }
  .search-form { margin-top: 14px; }
  .route-panel { max-width: none; }
  .editorial-layout { grid-template-columns: 1fr; }
  .editor-note,
  .detail-sidebar,
  .submit-guide { position: static; }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-main { min-height: 330px; }
  .collection-stack { grid-template-columns: 1fr 1fr; }
  .listing-hero { gap: 32px; }
  .listing-mast .listing-hero { gap: 18px; }
  .listing-stats { max-width: 500px; }
  .listing-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; }
  .filter-sidebar h2 { margin-bottom: 12px; }
  .filter-buttons { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 5px; scrollbar-width: none; }
  .filter-buttons::-webkit-scrollbar { display: none; }
  .filter-button { flex: 0 0 auto; display: inline-flex; }
  .filter-group + .filter-group { margin-top: 18px; padding-top: 18px; }
  .detail-hero { grid-template-columns: auto minmax(0, 1fr); }
  .detail-actions { grid-column: 1 / -1; justify-self: start; }
  .detail-sidebar { grid-template-columns: 1fr 1fr; }
  .related-strip { grid-template-columns: repeat(2, 1fr); }
  .submit-layout { grid-template-columns: 1fr; }
  .submit-guide { display: grid; grid-template-columns: 1fr 1fr; }
  .guide-section + .guide-section { border-top: 0; border-left: 1px solid var(--line); }
  .guide-note { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  :root { --header-h: 102px; --home-band-top: 52px; }
  html { scroll-padding-top: 112px; }
  body { font-size: 15px; }
  .shell { width: min(100% - 28px, var(--max)); }
  .brand { padding-left: 14px; }
  .brand-copy strong { font-size: 15px; }
  .brand-copy small { display: none; }
  .header-action { min-height: 42px; margin-right: 14px; padding: 10px 11px; font-size: 11px; }
  .primary-nav { padding: 0 5px; }
  .primary-nav a { min-height: 40px; padding: 10px 9px; font-size: 12px; }
  .home-hero { padding: 36px 0 38px; }
  .hero-copy h1 { font-size: 42px; }
  .hero-lede { font-size: 16px; }
  .search-form { grid-template-columns: minmax(0, 1fr) auto; box-shadow: var(--shadow-soft); }
  .search-submit { min-width: 82px; min-height: 44px; }
  .route-panel { padding: 18px 16px; }
  .route-panel h2 { margin-bottom: 10px; }
  .route-list { grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
  .route-list li:nth-child(odd) { border-right: 1px solid var(--line); }
  .route-list li:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .route-list li:nth-child(even) a { padding-left: 11px; }
  .route-list a { min-height: 58px; border-top: 0; gap: 6px; font-size: 12px; }
  .hero-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric { min-height: 72px; padding: 10px 8px; }
  .metric strong { font-size: 23px; }
  .metric span { font-size: 11px; }
  .band { padding: 76px 0 84px; }
  .section-head { margin-bottom: 36px; }
  .section-title h2 { font-size: 35px; }
  .section-title p { font-size: 15px; }
  .featured-site { grid-template-columns: 48px minmax(0, 1fr); min-height: 122px; gap: 14px; }
  .featured-site .site-logo { width: 48px; height: 48px; font-size: 18px; }
  .site-note { grid-column: 2; text-align: left; }
  .site-note strong,
  .site-note span { display: inline; }
  .site-note strong { margin-right: 4px; font-size: 18px; }
  .collection-main { min-height: 340px; padding: 26px; }
  .collection-main h3 { font-size: 28px; }
  .collection-stack { grid-template-columns: 1fr; }
  .subscribe-form { grid-template-columns: 1fr; }
  .page-mast { padding: 36px 0 42px; }
  .listing-title h1,
  .detail-title h1 { font-size: 43px; }
  .listing-title .eyebrow { max-width: 100%; font-size: 10px; line-height: 1.6; }
  .view-button { width: 40px; height: 40px; }
  .filter-button span,
  .directory-score span,
  .site-note span { font-size: 10px; }
  .tag-row a.tag { min-height: 40px; padding-block: 8px; }
  .listing-stats { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .listing-stats div { padding: 14px 8px; }
  .listing-stats strong { font-size: 22px; }
  .listing-mast { padding: 24px 0 28px; }
  .listing-mast .listing-title h1 { margin-bottom: 6px; font-size: 36px; }
  .listing-mast .listing-title p { font-size: 13px; }
  .listing-mast .listing-stats div { padding: 10px 8px; }
  .listing-mast .listing-stats strong { font-size: 20px; }
  .listing-band { padding: 28px 0 74px; }
  .listing-toolbar { grid-template-columns: 1fr auto; }
  .toolbar-search { grid-column: 1 / -1; }
  .directory-item,
  .directory-list.compact .directory-item { grid-template-columns: 48px minmax(0, 1fr) 42px; gap: 13px; padding: 20px 0; }
  .directory-item .site-logo,
  .directory-list.compact .site-logo { width: 48px; height: 48px; font-size: 17px; }
  .directory-score { grid-column: 2; text-align: left; }
  .directory-score strong,
  .directory-score span { display: inline; }
  .directory-score strong { margin-right: 4px; font-size: 19px; }
  .bookmark-button { grid-column: 3; grid-row: 1; }
  .directory-list.compact .directory-content p { display: block; }
  .list-callout { grid-template-columns: 1fr; padding: 24px 20px; }
  .pagination { align-items: flex-start; }
  .page-numbers a:nth-child(n+4) { display: none; }
  .detail-mast { padding: 34px 0 40px; }
  .detail-hero { grid-template-columns: 64px minmax(0, 1fr); gap: 18px; }
  .detail-logo { width: 64px; height: 64px; font-size: 22px; }
  .detail-actions {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
  .detail-action-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .detail-action-buttons .button { width: 100%; }
  .detail-visit-button { grid-column: 1 / -1; }
  .detail-engagement {
    width: 100%;
    justify-content: space-between;
    padding: 0 4px;
    border-left: 0;
  }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .trust-item { min-height: 80px; padding: 15px 12px; }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .trust-item:nth-child(3) { padding-left: 0; }
  .detail-band { padding: 34px 0 78px; }
  .content-panel { padding: 22px 20px; }
  .preview-stage { min-height: 340px; padding: 18px; }
  .preview-artboard { min-height: 270px; padding: 18px; }
  .preview-body { grid-template-columns: 1fr; gap: 20px; padding-top: 24px; }
  .preview-visual { min-height: 118px; }
  .feature-checks { grid-template-columns: 1fr; }
  .feature-check { min-height: auto; border-right: 0; }
  .feature-check:nth-child(3) { border-bottom: 1px solid var(--line); }
  .detail-sidebar { grid-template-columns: 1fr; }
  .related-strip { grid-template-columns: 1fr; }
  .submit-mast { padding: 20px 0 22px; }
  .submit-band { padding: 24px 0 68px; }
  .submit-form-head { align-items: flex-start; padding: 20px; }
  .submit-form-head > p { max-width: 90px; text-align: right; }
  .form-section { padding: 6px 20px 20px; }
  .field-grid { grid-template-columns: 1fr; gap: 22px; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .submit-actions { grid-template-columns: 1fr; padding: 24px 20px; }
  .submit-primary { width: fit-content; }
  .submit-guide { grid-template-columns: 1fr; }
  .guide-section + .guide-section { border-top: 1px solid var(--line); border-left: 0; }
  .guide-note { grid-column: auto; }
  .submit-success { min-height: 560px; padding: 36px 24px; }
  .receipt-row { flex-direction: column; gap: 4px; }
  .footer-grid { gap: 34px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 5px; }
  .footer-links a { min-height: 40px; display: flex; align-items: center; }
  .footer-bottom { font-size: 10px; }
  .back-top { right: 14px; bottom: 14px; width: 40px; height: 40px; }
}

@media (max-width: 980px) {
  .collection-cover { grid-template-columns: minmax(0, 1fr) 320px; gap: 38px; }
  .collection-cover h1 { font-size: clamp(44px, 5.8vw, 58px); }
  .collection-route-map { padding-inline: 22px; }
  .collection-route-map a { grid-template-columns: 28px minmax(0, 1fr); }
  .collection-route-map a > small { display: none; }
  .collection-detail-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 30px; }
  .route-stage { padding: 32px 28px; }
  .route-stage-head { grid-template-columns: 64px minmax(0, 1fr); gap: 20px; }
  .route-stage-time { grid-column: 2; width: fit-content; }
  .collection-finish { grid-template-columns: 66px minmax(0, 1fr); }
  .collection-finish .button { grid-column: 2; width: fit-content; }
}

@media (max-width: 820px) {
  .collection-cover { grid-template-columns: 1fr; align-items: start; gap: 30px; padding-top: 32px; }
  .collection-cover-copy { max-width: 760px; }
  .collection-route-map { max-width: 680px; }
  .collection-route-map a { grid-template-columns: 32px minmax(0, 1fr) auto; }
  .collection-route-map a > small { display: block; }
  .collection-detail-layout { display: block; }
  .collection-progress-rail {
    top: var(--header-h);
    z-index: 70;
    display: grid;
    grid-template-columns: auto minmax(120px, 0.35fr) minmax(0, 1fr);
    align-items: center;
    gap: 16px;
    margin-bottom: 42px;
    padding: 12px 14px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  }
  .collection-progress-head { display: grid; gap: 1px; }
  .collection-progress-bar { margin: 0; }
  .collection-step-nav { display: flex; overflow-x: auto; scrollbar-width: none; }
  .collection-step-nav::-webkit-scrollbar { display: none; }
  .collection-step-nav a { flex: 0 0 auto; min-height: 40px; grid-template-columns: auto auto; padding: 0 10px; border-top: 0; border-left: 1px solid var(--line); }
  .collection-step-nav a > i { display: none; }
  .collection-progress-note { display: none; }
  .route-stage { scroll-margin-top: 170px; }
}

@media (max-width: 600px) {
  .collection-breadcrumb { padding-top: 16px; }
  .collection-cover { gap: 26px; padding: 24px 0 34px; }
  .collection-kicker-line { align-items: flex-start; flex-direction: column; gap: 4px; margin-bottom: 12px; }
  .collection-cover h1 { margin-bottom: 15px; font-size: 40px; line-height: 1.08; }
  .collection-lede { margin-bottom: 20px; font-size: 14px; line-height: 1.75; }
  .collection-cover-actions { display: grid; align-items: center; gap: 10px; }
  .collection-primary-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collection-start-button,
  .collection-ghost-button { min-height: 42px; padding-inline: 13px; }
  .collection-start-button { grid-column: 1 / -1; width: 100%; }
  .collection-ghost-button,
  .collection-copy-button { width: 100%; min-height: 42px; }
  .collection-engagement {
    min-height: 42px;
    gap: 10px;
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }
  .collection-helpful,
  .collection-view-count { min-height: 42px; padding: 0 4px; }
  .collection-route-map { padding: 16px 16px 8px; }
  .collection-route-map a { grid-template-columns: 28px minmax(0, 1fr); min-height: 52px; }
  .collection-route-map a > small { display: none; }
  .collection-kicker-line,
  .collection-route-map a > span,
  .collection-facts span,
  .collection-progress-note,
  .route-stage-number span,
  .route-stage-time,
  .route-checkpoint small,
  .collection-related-list > a > span,
  .collection-related-list small { font-size: 10px; }
  .collection-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collection-facts div { min-height: 76px; padding: 12px 14px; }
  .collection-facts div:first-child { padding-left: 14px; }
  .collection-facts div:nth-child(3) { border-left: 0; }
  .collection-facts div:nth-child(n + 3) { border-top: 1px solid #365779; }
  .collection-facts strong { font-size: 25px; }
  .collection-detail-band { padding: 0 0 78px; }
  .collection-detail-layout { width: 100%; }
  .collection-progress-rail {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px 14px;
    margin-bottom: 40px;
    padding-inline: 14px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
  .collection-progress-head { grid-template-columns: auto auto; gap: 8px; }
  .collection-progress-head .mono-label { display: none; }
  .collection-progress-bar { min-width: 0; }
  .collection-step-nav { grid-column: 1 / -1; margin-inline: -7px; }
  .collection-step-nav a { padding-inline: 8px; }
  .collection-step-nav a > span { display: none; }
  .collection-story { width: min(100% - 28px, var(--max)); margin-inline: auto; gap: 26px; }
  .collection-editor-note { padding-bottom: 30px; }
  .collection-editor-note h2 { font-size: 30px; }
  .collection-note-meta { display: grid; gap: 4px; }
  .route-stage { scroll-margin-top: 164px; padding: 25px 20px; border-radius: var(--radius-sm); }
  .route-stage-head { grid-template-columns: 52px minmax(0, 1fr); gap: 14px; padding-bottom: 23px; }
  .route-stage-number { min-height: 64px; }
  .route-stage-number strong { font-size: 29px; }
  .route-stage-title h2 { font-size: 30px; }
  .route-stage-title > p:last-child { font-size: 12px; }
  .route-stage-title,
  .route-tool > div { min-width: 0; }
  .route-stage-time { grid-column: 2; }
  .route-stage-brief { grid-template-columns: 1fr; gap: 5px; padding: 15px 16px; }
  .route-stage-brief p,
  .route-tool p,
  .route-more-grid small,
  .collection-finish p:last-child { font-size: 12px; }
  .route-tool { grid-template-columns: 48px minmax(0, 1fr); gap: 13px; padding: 21px 0; }
  .route-tool .site-logo { width: 48px; height: 48px; font-size: 17px; }
  .route-tool-title { display: grid; gap: 0; }
  .route-tool-title code,
  .collection-note-meta span { overflow-wrap: anywhere; }
  .route-tool-action { grid-column: 2; width: fit-content; min-height: 40px; justify-content: flex-start; }
  .route-tool-status { grid-column: 2; width: fit-content; justify-content: flex-start; }
  .route-tool-featured::before { display: none; }
  .route-more-grid { grid-template-columns: 1fr; }
  .route-checkpoint { grid-template-columns: 22px minmax(0, 1fr); }
  .route-checkpoint small { grid-column: 2; margin-top: -9px; }
  .collection-finish { grid-template-columns: 1fr; gap: 14px; padding: 28px 24px; }
  .collection-finish-index { display: none; }
  .collection-finish .button { grid-column: 1; }
  .collection-related .panel-head { align-items: flex-start; }
  .collection-related-list > a { grid-template-columns: 28px minmax(0, 1fr) auto; gap: 10px; }
  .collection-related-list strong { font-size: 16px; }
}

@media (max-width: 980px) {
  .featured-topic { --featured-index-width: 42px; --featured-gap: 19px; grid-template-columns: minmax(0, 1fr) 205px 28px; }
  .featured-topic-index { margin-top: 26px; }
  .featured-topic-title { font-size: 28px; }
  .topic-entry { --topic-index-width: 42px; --topic-gap: 19px; grid-template-columns: minmax(0, 1fr) 205px 28px; }
  .topic-entry-index { margin-top: 27px; }
  .topic-entry-copy > strong { font-size: 24px; }
  .topics-method { grid-template-columns: 240px minmax(0, 1fr); gap: 44px; }
  .topics-method li { padding-inline: 18px; }
}

@media (max-width: 820px) {
  .topics-method { grid-template-columns: 1fr; }
  .featured-topic { min-height: 0; grid-template-columns: minmax(0, 1fr) 28px; align-items: start; padding: 28px 0; }
  .featured-topic-lead { grid-column: 1; grid-row: 1; }
  .featured-topic-meta { grid-column: 1; grid-row: 2; margin: 18px 0 0 calc(var(--featured-index-width) + var(--featured-gap)); padding: 0; border-left: 0; }
  .featured-topic-action { grid-column: 2; grid-row: 1; margin-top: 24px; }
  .topic-entry { grid-template-columns: minmax(0, 1fr) 28px; align-items: start; }
  .topic-entry-lead { grid-column: 1; grid-row: 1; }
  .topic-entry-meta { grid-column: 1; grid-row: 2; margin: 0 0 0 calc(var(--topic-index-width) + var(--topic-gap)); padding: 0; border-left: 0; }
  .topic-entry-arrow { grid-column: 2; grid-row: 1; margin-top: 27px; }
  .topics-method { gap: 38px; }
  .topics-method h1 { max-width: 520px; }
}

@media (max-width: 600px) {
  .topics-feature-band { padding: 18px 0 0; }
  .featured-topic { --featured-index-width: 31px; --featured-gap: 10px; grid-template-columns: minmax(0, 1fr) 24px; padding: 23px 0; }
  .featured-topic-index { margin-top: 24px; }
  .featured-topic-index b { font-size: 24px; }
  .topic-kicker { gap: 8px; margin-bottom: 7px; font-size: 10px; }
  .featured-topic-title { font-size: 25px; line-height: 1.3; }
  .featured-topic-summary { font-size: 12px; }
  .featured-topic-sites { gap: 5px; margin-top: 11px; }
  .featured-topic-sites i { padding-inline: 5px; font-size: 10px; }
  .featured-topic-meta { margin-top: 16px; }
  .featured-topic-meta b { font-size: 17px; }
  .featured-topic-meta small { font-size: 10px; }
  .featured-topic-action { margin-top: 23px; font-size: 15px; }
  .topics-ledger-band { padding: 0 0 78px; }
  .topic-entry { --topic-index-width: 31px; --topic-gap: 10px; min-height: 0; grid-template-columns: minmax(0, 1fr) 24px; padding: 23px 0; }
  .topic-entry-index { margin-top: 24px; font-size: 18px; }
  .topic-entry-arrow { margin-top: 24px; }
  .topic-entry-copy > strong { font-size: 21px; }
  .topic-entry-copy > span:not(.topic-domains):not(.topic-kicker) { font-size: 12px; }
  .topic-domains { gap: 5px; }
  .topic-domains i { padding-inline: 5px; font-size: 10px; }
  .topic-entry-meta b { font-size: 17px; }
  .topic-entry-meta small { font-size: 10px; }
  .topics-method-band { padding: 66px 0 74px; }
  .topics-method { gap: 30px; }
  .topics-method h1 { font-size: 34px; }
  .topics-method ol { grid-template-columns: 1fr; }
  .topics-method li,
  .topics-method li:first-child { min-height: 0; padding: 19px 0 20px; }
  .topics-method li strong { margin: 10px 0 5px; }
}

@media (max-width: 980px) {
  .topic-page-hero { grid-template-columns: minmax(0, 1fr) 280px; gap: 42px; }
  .topic-page-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 36px; }
  .topic-site { grid-template-columns: 25px 52px minmax(0, 1fr) auto; gap: 14px; }
  .topic-site .site-logo { width: 52px; height: 52px; }
}

@media (max-width: 820px) {
  .topic-page-hero { grid-template-columns: 1fr; padding-top: 42px; }
  .topic-page-facts { max-width: 560px; }
  .topic-page-layout { grid-template-columns: 1fr; }
  .topic-page-guide { position: static; display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 0 20px; }
  .topic-page-index { grid-row: 1 / 5; margin: 0; font-size: 58px; }
  .topic-page-guide .mono-label { grid-column: 2; }
  .topic-page-guide h2 { grid-column: 2; }
  .topic-page-guide ol { grid-column: 2; }
  .topic-page-guide .text-link { grid-column: 2; }
}

@media (max-width: 600px) {
  .topic-page-mast { padding: 18px 0 44px; }
  .topic-page-hero { gap: 30px; padding-top: 34px; }
  .topic-page-title h1 { font-size: 41px; line-height: 1.12; }
  .topic-page-title > p:last-child { font-size: 14px; }
  .topic-page-facts div { grid-template-columns: 78px minmax(0, 1fr); padding: 12px 0; }
  .topic-page-band { padding: 34px 0 78px; }
  .topic-page-layout { gap: 38px; }
  .topic-page-guide { grid-template-columns: 54px minmax(0, 1fr); gap: 0 15px; padding: 20px 18px; }
  .topic-page-index { font-size: 47px; }
  .topic-page-guide h2 { font-size: 20px; }
  .topic-page-content-head { grid-template-columns: 1fr; gap: 9px; margin-bottom: 12px; padding-bottom: 22px; }
  .topic-page-content-head .mono-label { grid-column: auto; margin-bottom: 0; }
  .topic-page-content-head h2 { font-size: 34px; }
  .topic-site { grid-template-columns: 24px 48px minmax(0, 1fr); gap: 11px; padding: 22px 0; }
  .topic-site .site-logo { width: 48px; height: 48px; align-self: start; margin-top: 3px; font-size: 14px; }
  .topic-site-title { display: grid; gap: 0; }
  .topic-site-title strong { font-size: 18px; }
  .topic-site-copy p { font-size: 10px; }
  .topic-site > a { grid-column: 3; width: fit-content; justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header,
  .back-top,
  .skip-link,
  .detail-actions,
  .listing-toolbar { display: none !important; }
  .band,
  .detail-band,
  .listing-band { padding: 28px 0; }
  .content-panel,
  .score-card { break-inside: avoid; }
}

.legal-intro { max-width: 760px; color: var(--muted); font-size: 17px; }
.legal-band { padding: 64px 0 108px; background: var(--surface); }
.legal-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 64px; align-items: start; }
.legal-layout > aside { position: sticky; top: 100px; display: grid; gap: 5px; color: var(--muted); font-family: var(--mono); font-size: 9px; }
.legal-layout > article { max-width: 760px; padding: 10px 0 0; }
.legal-layout article section { padding: 0 0 34px; }
.legal-layout article section + section { padding-top: 34px; border-top: 1px solid var(--line); }
.legal-layout h2 { font-size: 28px; }
.legal-layout p { margin-bottom: 0; color: #465360; font-size: 14px; }

.result-page { min-height: 68vh; display: grid; place-items: center; padding: 72px 20px; background: var(--surface); }
.result-panel { width: min(620px, 100%); padding: 48px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow-soft); }
.result-panel h1 { margin: 8px 0 14px; font-size: clamp(36px, 5vw, 54px); }
.result-panel p:not(.mono-label) { color: var(--muted); }
.result-actions { display: flex; flex-wrap: wrap; gap: 8px; }

@media (max-width: 700px) {
  .legal-layout { grid-template-columns: 1fr; gap: 34px; }
  .legal-layout > aside { position: static; }
  .result-panel { padding: 30px 24px; }
}

/* Next.js implementation additions for semantic links and non-prototype result pages. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tag-row a,
.filter-buttons a { text-decoration: none; }
.empty-state .button { margin-top: 18px; }
.correction-link { display: inline-block; margin-top: 18px; font-size: 11px; }
.detail-notice-copy { margin: 0; color: var(--muted); font-size: 11px; }
.submission-result { grid-column: 1 / -1; display: grid; gap: 2px; padding: 13px 15px; border-radius: var(--radius-xs); font-size: 11px; }
.submission-result[hidden] { display: none; }
.submission-result.error { color: var(--red); background: var(--red-soft); }

/* Site detail media gallery keeps the editorial frame while showing real product surfaces. */
.preview-stage.has-image,
.site-gallery-track,
.site-gallery-slide {
  aspect-ratio: 16 / 9;
}

.preview-stage.has-image {
  --site-media-inset-inline: clamp(6px, 0.85vw, 10px);
  --site-media-inset-block: clamp(3px, 0.48vw, 6px);
  position: relative;
  display: block;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--site-media-inset-block) var(--site-media-inset-inline);
  background: #eef2f5;
  scrollbar-color: rgba(16, 47, 82, 0.34) transparent;
  scrollbar-width: thin;
}

.preview-stage.has-image img,
.site-gallery-slide img {
  position: static;
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
}

.site-gallery {
  position: relative;
  overflow: hidden;
  background: #eef2f5;
}

.site-gallery-track {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  touch-action: pan-x pan-y;
  -webkit-overflow-scrolling: touch;
}

.site-gallery-track::-webkit-scrollbar { display: none; }

.preview-stage.has-image:focus-visible,
.site-gallery-track:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: -3px;
}

.site-gallery-slide {
  --site-media-inset-inline: clamp(6px, 0.85vw, 10px);
  --site-media-inset-block: clamp(3px, 0.48vw, 6px);
  position: relative;
  flex: 0 0 100%;
  height: 100%;
  min-width: 100%;
  display: block;
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--site-media-inset-block) var(--site-media-inset-inline);
  background: #eef2f5;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  scrollbar-color: rgba(16, 47, 82, 0.34) transparent;
  scrollbar-width: thin;
  touch-action: pan-x pan-y;
  -webkit-overflow-scrolling: touch;
}

.preview-stage.has-image::-webkit-scrollbar,
.site-gallery-slide::-webkit-scrollbar { width: 6px; }
.preview-stage.has-image::-webkit-scrollbar-track,
.site-gallery-slide::-webkit-scrollbar-track { background: transparent; }
.preview-stage.has-image::-webkit-scrollbar-thumb,
.site-gallery-slide::-webkit-scrollbar-thumb {
  background: rgba(16, 47, 82, 0.3);
  border: 1px solid #eef2f5;
  border-radius: 999px;
}

.site-gallery-controls {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  align-items: center;
  padding: 14px;
  pointer-events: none;
}

.site-gallery-arrow,
.site-gallery-dot {
  pointer-events: auto;
}

.site-gallery-arrow {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  padding: 0;
  color: #fff;
  background: rgba(16, 47, 82, 0.92);
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: var(--radius-xs);
  box-shadow: 0 5px 18px rgba(16, 47, 82, 0.2);
  font-family: var(--mono);
  font-size: 16px;
  transition: background 150ms var(--ease), transform 150ms var(--ease);
}

.site-gallery-arrow:last-child { justify-self: end; }
.site-gallery-arrow:hover { background: var(--blue); transform: translateY(-1px); }
.site-gallery-arrow:active { transform: translateY(0); }
.site-gallery-arrow:disabled { opacity: 0.38; cursor: default; transform: none; }

.site-gallery-arrow:focus-visible,
.site-gallery-dot:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
}

.site-gallery-dots {
  align-self: end;
  justify-self: center;
  display: flex;
  gap: 1px;
  padding: 3px;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(16, 47, 82, 0.2);
  border-radius: var(--radius-xs);
  box-shadow: 0 5px 18px rgba(16, 47, 82, 0.14);
}

.site-gallery-dot {
  width: 34px;
  height: 30px;
  display: grid;
  place-items: center;
  padding: 0;
  background: transparent;
  border: 0;
}

.site-gallery-dot span {
  width: 14px;
  height: 2px;
  display: block;
  background: var(--line-strong);
  transition: width 150ms var(--ease), background 150ms var(--ease);
}

.site-gallery-dot:hover span { background: var(--blue); }
.site-gallery-dot.is-active span { width: 22px; background: var(--red); }

.site-gallery + .preview-caption {
  min-height: 50px;
  display: flex;
  align-items: center;
  font-family: var(--mono);
  letter-spacing: 0.01em;
}

@media (max-width: 600px) {
  .site-gallery-controls {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    padding: 8px;
  }
  .site-gallery-arrow { width: 40px; height: 40px; }
  .site-gallery-dot { width: 40px; height: 40px; }
  .site-gallery + .preview-caption { min-height: 54px; padding-inline: 14px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-gallery-track { scroll-behavior: auto; }
  .site-gallery-arrow,
  .site-gallery-dot span { transition: none; }
}

@media (max-width: 600px) {
  .browser-status-link::after { display: none; }
  .browser-address-link,
  .browser-status-link {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .brand { min-height: 40px; }
  .breadcrumb a,
  .directory-content .site-heading a,
  .source-link-list a,
  .correction-link {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }
  .collection-card-index { font-size: 10px !important; }
  .collection-card-tools i,
  .collection-card-footer i,
  .browser-address,
  .browser-status,
  .preview-nav span,
  .topics-method li > span,
  .field-label-row > span,
  .review-route li > span,
  .review-route li small {
    font-size: 10px;
  }
  .legal-layout > aside { font-size: 10px; }
}

/* Keep server-rendered content readable when client scripts are delayed or unavailable. */
.reveal { opacity: 1; transform: none; }
html.reveal-enabled .reveal:not(.is-visible) { opacity: 0; transform: translateY(12px); }