:root {
  --ink: #111318;
  --muted: #5f6877;
  --paper: #f5f7fa;
  --surface: #ffffff;
  --line: #d8dee8;
  --gold: #f0b90b;
  --blue: #155eef;
  --up: #078c62;
  --down: #c83b45;
  --control: 44px;
  --content: 1240px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Noto Sans CJK SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

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

button,
input,
select,
textarea {
  color: inherit;
}

button,
[type="button"],
[type="submit"] {
  cursor: pointer;
}

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

::selection {
  color: var(--ink);
  background: var(--gold);
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  min-height: var(--control);
  padding: 9px 14px;
  color: var(--surface);
  background: var(--blue);
  border: 2px solid var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-frame {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  min-height: 100vh;
}

.channel-rail {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  width: 168px;
  height: 100vh;
  padding: 18px 14px 16px;
  color: var(--surface);
  background: var(--ink);
  border-right: 1px solid #2b3039;
  overflow-y: auto;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: var(--control);
  color: inherit;
  text-decoration: none;
}

.wordmark img {
  width: 40px;
  height: 28px;
  flex: 0 0 auto;
}

.wordmark-type {
  font-family: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
}

.channel-kicker {
  margin: 8px 0 22px;
  color: #9ca6b6;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.channel-nav {
  display: grid;
  border-top: 1px solid #343a45;
}

.channel-nav a,
.channel-search {
  display: flex;
  align-items: center;
  min-height: var(--control);
  padding: 8px 2px;
  color: #e7ebf1;
  border-bottom: 1px solid #343a45;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.channel-nav a::before,
.channel-search::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 9px;
  background: #6e7787;
}

.channel-nav a:hover,
.channel-search:hover {
  color: var(--ink);
  background: var(--gold);
}

.channel-nav a:hover::before,
.channel-search:hover::before {
  background: var(--ink);
}

.channel-search {
  margin-top: 12px;
  border-top: 1px solid #343a45;
}

.channel-risk {
  margin: auto 0 12px;
  padding-top: 20px;
  color: #c8ced8;
  border-top: 1px solid #343a45;
  font-size: 11px;
  line-height: 1.55;
}

.channel-disclosure {
  margin: 0;
  color: #9ca6b6;
  font-size: 10px;
  line-height: 1.5;
}

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

.mobile-header,
.channel-drawer {
  display: none;
}

.page-shell {
  min-width: 0;
  min-height: 60vh;
}

.page-shell--standard,
.page-shell--index,
.tool-shell,
.article-shell {
  padding-bottom: 72px;
}

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

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 5vw, 4.75rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.65rem, 3.5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

h3 {
  line-height: 1.25;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  max-width: 760px;
  color: #333a46;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.65;
}

.fineprint,
.note {
  color: var(--muted);
  font-size: 14px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  width: min(100%, var(--content));
  max-width: var(--content);
  margin: 0 auto;
  padding: 18px clamp(18px, 4vw, 48px) 0;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: var(--control);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.article-layout > .breadcrumb {
  width: 100%;
  margin: 0;
  padding: 0 0 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  margin: 20px 0 26px;
  background: var(--surface);
  border: 1px solid var(--ink);
}

caption {
  padding: 10px 12px;
  color: var(--surface);
  background: var(--blue);
  font-weight: 850;
  text-align: left;
}

th,
td {
  padding: 11px 10px;
  border: 1px solid #aeb8c7;
  vertical-align: top;
  text-align: left;
  overflow-wrap: anywhere;
}

thead th {
  color: var(--surface);
  background: var(--ink);
}

tbody th {
  background: #e9eef7;
}

.calculator fieldset {
  min-width: 0;
  margin: 0 0 16px;
  padding: 14px;
  border: 1px solid #8c96a6;
}

.calculator legend {
  padding: 0 8px;
  color: var(--blue);
  font-weight: 850;
}

[data-search-results] {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

[data-search-results] li {
  padding: 10px 0 12px;
  border-bottom: 1px solid var(--line);
}

[data-search-results] a {
  display: flex;
  align-items: center;
  min-height: var(--control);
  color: var(--blue);
  font-weight: 850;
}

[data-search-results] button {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: var(--control);
  padding: 9px 12px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--ink);
  font-weight: 850;
  text-align: left;
}

[data-search-results] p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.live-board {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  width: min(100%, 1520px);
  margin: 0 auto;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.live-board__bar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
  padding: 10px clamp(16px, 2.5vw, 32px);
  color: var(--surface);
  background: var(--ink);
  border-bottom: 1px solid #2b3039;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.live-board__bar p,
.live-board__bar time {
  margin: 0;
}

.live-board__bar b {
  color: var(--gold);
}

.board-lead,
.market-board,
.partner-slab,
.board-alert,
.board-tools {
  min-width: 0;
  padding: clamp(22px, 3vw, 40px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.board-lead {
  grid-column: span 5;
  background: var(--surface);
}

.board-lead h1 {
  max-width: 760px;
  font-size: clamp(2.35rem, 5vw, 5rem);
}

.board-lead .lead {
  max-width: 620px;
}

.board-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 24px;
  padding: 3px 8px;
  color: var(--surface);
  background: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.board-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--control);
  margin-top: 8px;
  font-weight: 800;
}

.market-board {
  grid-column: span 4;
  color: var(--surface);
  background: var(--ink);
}

.market-board header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid #39404c;
}

.market-board h2,
.market-board p {
  margin: 0;
}

.market-board h2 {
  color: var(--surface);
  font-size: 1.2rem;
  letter-spacing: 0;
}

.market-status {
  color: #aab3c2;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
}

.market-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.market-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 19px 0;
  border-bottom: 1px solid #343a45;
}

.market-list span,
.market-list strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.market-list span {
  color: #c8ced8;
  font-size: 12px;
}

.market-list strong {
  color: var(--gold);
  font-size: 13px;
}

.market-note {
  margin: 18px 0 0;
  color: #aab3c2;
  font-size: 12px;
}

.partner-slab {
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: var(--gold);
  border-right: 0;
}

.partner-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  margin-bottom: 16px;
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  font-size: 23px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.partner-lockup img {
  width: auto;
  height: 36px;
  max-width: 100%;
  object-fit: contain;
  flex: 0 0 auto;
}

.partner-slab .partner-lockup img {
  height: 48px;
}

.partner-disclosure {
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.5;
}

.partner-note > .partner-disclosure {
  border: 1px solid #9aa6b8;
  background: #eef2f8;
  padding: 18px;
  margin-bottom: 0;
}

.partner-note > .partner-offer {
  border: 2px solid var(--blue);
  background: var(--surface);
  padding: 18px;
  margin-top: 14px;
}

.partner-note > .partner-disclosure .partner-lockup {
  margin-bottom: 8px;
}

.partner-note > .partner-disclosure > :last-child,
.partner-note > .partner-offer > :last-child {
  margin-bottom: 0;
}

.partner-slab h2 {
  font-size: clamp(1.55rem, 2.5vw, 2.4rem);
}

.invite-code {
  display: block;
  width: 100%;
  margin: 2px 0 10px;
  padding: 10px 12px;
  color: var(--gold);
  background: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1.25rem, 2.3vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.06em;
}

.partner-benefit {
  margin: 10px 0 0;
  font-size: 13px;
}

.partner-benefit strong {
  display: block;
  font-size: 19px;
}

.partner-footnote {
  margin: auto 0 0;
  padding-top: 16px;
  font-size: 11px;
  line-height: 1.5;
}

.board-alert {
  grid-column: span 7;
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1fr;
  gap: clamp(20px, 4vw, 56px);
  color: var(--surface);
  background: var(--blue);
}

.board-alert h2 {
  color: var(--surface);
  font-size: clamp(1.5rem, 3vw, 2.65rem);
}

.board-alert .eyebrow {
  color: #fff;
}

.board-alert ul {
  margin: 0;
  padding-left: 1.2em;
}

.board-alert li + li {
  margin-top: 8px;
}

.board-tools {
  grid-column: span 5;
  border-right: 0;
  background: #e9eef7;
}

.board-tools h2 {
  font-size: clamp(1.35rem, 2.5vw, 2.1rem);
}

.board-tool-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #bfc8d7;
}

.board-tool-links a {
  display: flex;
  align-items: center;
  min-height: var(--control);
  padding: 11px 8px 11px 0;
  border-bottom: 1px solid #bfc8d7;
  font-weight: 800;
  text-decoration: none;
}

.board-tool-links a:nth-child(odd) {
  border-right: 1px solid #bfc8d7;
}

.board-tool-links a:nth-child(even) {
  padding-left: 12px;
}

.primary-btn,
.secondary-btn,
.nav-cta,
.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control);
  padding: 9px 15px;
  border: 1px solid var(--ink);
  border-radius: 0;
  font-weight: 850;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.primary-btn {
  color: var(--ink);
  background: var(--gold);
}

.secondary-btn,
.nav-cta {
  color: var(--ink);
  background: var(--surface);
}

.copy-btn {
  color: var(--surface);
  background: var(--blue);
}

.primary-btn:hover,
.secondary-btn:hover,
.nav-cta:hover,
.copy-btn:hover {
  color: var(--surface);
  background: var(--ink);
}

.partner-copy {
  width: 100%;
  margin-bottom: 8px;
  color: var(--surface);
  background: var(--blue);
}

.partner-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: var(--control);
  margin-bottom: 12px;
  padding: 9px 14px;
  color: var(--ink);
  background: var(--gold);
  border: 2px solid var(--ink);
  font-weight: 850;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.partner-cta img {
  width: auto;
  height: 24px;
  object-fit: contain;
  flex: 0 0 auto;
}

.partner-cta:hover {
  color: var(--surface);
  background: var(--ink);
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 12px;
}

.strip {
  display: grid;
  grid-template-columns: 5fr 4fr 3fr;
  color: var(--surface);
  background: var(--ink);
  border-bottom: 1px solid #2b3039;
}

.strip div {
  min-width: 0;
  padding: 18px clamp(16px, 3vw, 34px);
  border-right: 1px solid #404653;
}

.strip div:last-child {
  border-right: 0;
}

.strip b {
  display: block;
  color: var(--gold);
}

.strip span {
  color: #c8ced8;
}

.workflow-band,
.tools-band,
.article-band,
.page-hero,
.tool-layout,
.article-layout {
  width: min(100%, var(--content));
  margin-inline: auto;
  padding: clamp(42px, 6vw, 84px) clamp(18px, 4vw, 48px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) 1fr;
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
}

.section-head .eyebrow {
  margin: 0;
}

.section-head h2 {
  margin: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.steps > div {
  min-height: 220px;
  padding: 22px;
  background: var(--surface);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.steps span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  color: var(--surface);
  background: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 900;
}

.tools-band {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 0;
  padding-top: 0;
}

.tool-card {
  min-width: 0;
  padding: clamp(24px, 4vw, 48px);
  background: var(--surface);
  border: 1px solid var(--ink);
}

.tool-card + .tool-card {
  margin: 36px 0 -36px -1px;
  background: #e9eef7;
}

.article-band {
  border-top: 1px solid var(--line);
}

.article-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.article-card {
  grid-column: span 4;
  display: flex;
  min-height: 260px;
  padding: 22px;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
}

.article-card:nth-child(5n + 1) {
  grid-column: span 5;
}

.article-card:nth-child(5n + 2) {
  grid-column: span 3;
  color: var(--surface);
  background: var(--ink);
}

.article-card:nth-child(5n + 2) span {
  color: #9bbcff;
}

.article-card:nth-child(5n + 3) {
  grid-column: span 4;
  background: #e9eef7;
}

.article-card:nth-child(5n + 4) {
  grid-column: span 7;
}

.article-card:nth-child(5n + 5) {
  grid-column: span 5;
  background: #fff6d8;
}

.article-card span,
.related-card span {
  align-self: flex-start;
  margin-bottom: 14px;
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.06em;
}

.article-card h2,
.article-card h3 {
  font-size: 1.35rem;
}

.article-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.article-card:nth-child(5n + 2) p {
  color: #c8ced8;
}

.article-directory-shell {
  background: #edf2f7;
}

.article-directory-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.75fr);
  gap: clamp(30px, 5vw, 76px);
  width: min(100%, 1520px);
  margin-inline: auto;
  padding: clamp(54px, 8vw, 112px) clamp(24px, 6vw, 88px);
  color: #f7f9fc;
  background: #243b53;
  border-bottom: 1px solid #102a43;
}

.article-directory-hero .eyebrow {
  color: #b9d1f4;
}

.article-directory-hero h1 {
  max-width: 900px;
  margin-bottom: 22px;
  color: #ffffff;
  font-size: clamp(2.7rem, 5.6vw, 5.7rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.article-directory-hero .lead {
  max-width: 760px;
  color: #d9e2ec;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

.article-directory-search {
  max-width: 820px;
  margin-top: clamp(30px, 4vw, 52px);
}

.article-directory-search label {
  display: block;
  margin-bottom: 8px;
  color: #f0b90b;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.article-directory-search__control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  background: #ffffff;
  border: 1px solid #ffffff;
  box-shadow: 0 18px 38px rgb(16 42 67 / 28%);
}

.article-directory-search input {
  width: 100%;
  min-height: 58px;
  padding: 12px 18px;
  background: #ffffff;
  border: 0;
  outline-offset: -4px;
}

.article-directory-search button {
  min-width: 108px;
  min-height: 58px;
  padding: 10px 20px;
  color: #ffffff;
  background: #155eef;
  border: 0;
  border-left: 1px solid #d8dee8;
  font-weight: 850;
}

.article-directory-search button:hover {
  color: #111318;
  background: #f0b90b;
}

.article-directory-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
}

.article-directory-jump a {
  display: inline-flex;
  align-items: center;
  min-height: var(--control);
  color: #d9e2ec;
  border-bottom: 1px solid #627d98;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.article-directory-jump a:hover {
  color: #ffffff;
  border-color: #f0b90b;
}

.article-directory-partner {
  align-self: center;
  padding: clamp(24px, 4vw, 42px);
  color: #ffffff;
  background: #102a43;
  border-top: 8px solid #f0b90b;
  box-shadow: 18px 22px 0 #1b3148;
}

.article-directory-partner .partner-lockup {
  margin-bottom: 26px;
}

.article-directory-partner__label {
  margin-bottom: 8px;
  color: #bcccdc;
  font-size: 13px;
}

.article-directory-partner .code-line {
  margin-bottom: 18px;
}

.article-directory-partner .code-line code {
  color: #111318;
  background: #f0b90b;
}

.article-directory-benefit {
  color: #d9e2ec;
  font-size: 13px;
}

.article-directory-benefit strong {
  color: #ffffff;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.article-directory-register {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  margin-top: 22px;
  padding: 10px 16px;
  color: #111318;
  background: #ffffff;
  border: 2px solid #ffffff;
  font-weight: 850;
  text-align: center;
  text-decoration: none;
}

.article-directory-register:hover {
  color: #111318;
  background: #f0b90b;
  border-color: #f0b90b;
}

.article-directory-disclosure {
  margin: 16px 0 0;
  color: #9fb3c8;
  font-size: 11px;
  line-height: 1.55;
}

.article-directory-content {
  width: min(100%, 1520px);
  margin-inline: auto;
  padding: clamp(58px, 8vw, 112px) clamp(22px, 5vw, 76px);
}

.article-shelf {
  scroll-margin-top: 24px;
}

.article-shelf + .article-shelf {
  margin-top: clamp(72px, 10vw, 132px);
}

.article-shelf__header {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 30px;
  padding-bottom: 18px;
  border-bottom: 2px solid #243b53;
}

.article-shelf__header .eyebrow,
.article-shelf__header h2,
.article-shelf__header > p {
  margin: 0;
}

.article-shelf__header h2 {
  color: #102a43;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.035em;
}

.article-shelf__header > p {
  max-width: 620px;
  justify-self: end;
  color: #52667a;
}

.article-directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 3.5vw, 48px) clamp(20px, 2.6vw, 34px);
}

.article-directory-card {
  display: flex;
  min-width: 0;
  padding: 0 0 18px;
  flex-direction: column;
  color: #111318;
  background: #ffffff;
  border-bottom: 1px solid #b8c5d2;
  box-shadow: 0 12px 28px rgb(16 42 67 / 7%);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.article-directory-card:hover {
  color: #111318;
  box-shadow: 0 18px 36px rgb(16 42 67 / 14%);
  transform: translateY(-4px);
}

.article-directory-media {
  display: block;
  aspect-ratio: 16 / 9;
  margin-bottom: 18px;
  background: #102a43;
  overflow: hidden;
}

.article-directory-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 240ms ease;
}

.article-directory-card:hover .article-directory-media img {
  transform: scale(1.025);
}

.article-directory-kicker,
.article-directory-meta,
.article-directory-card h2,
.article-directory-card p {
  margin-inline: 18px;
}

.article-directory-kicker {
  margin-bottom: 10px;
  color: #155eef;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.article-directory-card h2 {
  margin-bottom: 10px;
  color: #102a43;
  font-size: clamp(1.2rem, 1.75vw, 1.55rem);
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.article-directory-card p {
  margin-bottom: 18px;
  color: #52667a;
  font-size: 14px;
  line-height: 1.75;
}

.article-directory-meta {
  margin-top: auto;
  color: #7b8794;
  font-size: 11px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--control);
  margin-top: 18px;
  font-weight: 850;
}

.page-hero {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--ink);
}

.page-hero h1 {
  max-width: 980px;
}

.tool-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}

.calculator,
.cta-box {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--ink);
  border-radius: 0;
}

.calculator {
  border-top: 8px solid var(--blue);
}

.calculator label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
  font-weight: 800;
}

.calculator input,
.calculator select,
.calculator textarea {
  width: 100%;
  min-height: var(--control);
  padding: 9px 10px;
  background: var(--surface);
  border: 1px solid #8c96a6;
  border-radius: 0;
}

.calculator .check {
  display: flex;
  align-items: start;
  gap: 10px;
  min-height: var(--control);
  padding-block: 8px;
  font-weight: 650;
}

.calculator .check input {
  width: 20px;
  min-height: 20px;
  height: 20px;
  margin-top: 3px;
}

.result {
  min-height: 72px;
  margin-top: 18px;
  padding: 16px;
  background: #e9eef7;
  border-left: 5px solid var(--blue);
}

.result b {
  font-size: 1.4rem;
}

.code-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin: 10px 0;
}

.code-line code {
  display: flex;
  align-items: center;
  min-height: var(--control);
  min-width: 0;
  padding: 10px 12px;
  color: var(--gold);
  background: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 900;
  overflow-wrap: anywhere;
}

.article-hero {
  padding: clamp(24px, 5vw, 56px);
  color: var(--surface);
  background: var(--ink);
  border-left: 10px solid var(--blue);
}

.article-hero h1 {
  max-width: 1050px;
  color: var(--surface);
}

.article-hero .lead {
  max-width: 850px;
  color: #d8dee8;
}

.article-hero .eyebrow {
  color: #9bbcff;
}

.article-mobile-answer {
  display: none;
}

.article-hero .cta-box {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(180px, 1fr) minmax(260px, 1.35fr);
  gap: 16px;
  align-items: center;
  margin-top: 28px;
  color: var(--ink);
  border: 0;
  border-top: 7px solid var(--gold);
}

.article-hero .partner-note {
  grid-template-columns: minmax(160px, 0.7fr) minmax(0, 2.35fr);
}

.article-hero .cta-box .eyebrow {
  display: none;
}

.article-hero .cta-box .code-line,
.article-hero .cta-box .fineprint,
.article-hero .cta-box .button-row {
  margin: 0;
}

.article-cover {
  margin: 0;
  background: var(--ink);
  border-inline: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.article-cover img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
}

.article-main {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  margin-top: 48px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 20px;
  display: grid;
  border-top: 2px solid var(--ink);
}

.toc b {
  padding: 12px 0;
}

.toc a {
  display: flex;
  align-items: center;
  min-height: var(--control);
  padding: 8px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
}

.toc a:hover {
  color: var(--blue);
}

.article-body {
  min-width: 0;
  max-width: 820px;
}

.article-section {
  margin-bottom: 42px;
}

.article-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.55rem);
}

.article-shell .article-hero {
  background: #243b53;
  border-left: 0;
  border-top: 8px solid #155eef;
  box-shadow: 16px 18px 0 #dce5ee;
}

.article-shell .article-body {
  max-width: 780px;
}

.article-shell .toc {
  padding: 0 14px 14px;
  background: #edf2f7;
  border: 1px solid #c4cfda;
  border-top: 5px solid #155eef;
}

.article-shell .toc b {
  color: #102a43;
}

.article-shell .article-section {
  margin-bottom: 54px;
  scroll-margin-top: 24px;
}

.article-shell .article-section h2 {
  padding-top: 18px;
  border-top: 1px solid #b8c5d2;
}

.article-shell .article-section p,
.article-shell .article-section li {
  line-height: 1.9;
}

.article-section p,
.article-section li {
  color: #292f39;
  font-size: 1.08rem;
}

.article-section.narrow {
  width: min(100%, 840px);
  margin-inline: auto;
  padding: 0 18px 60px;
}

.related {
  padding-top: 20px;
  border-top: 2px solid var(--ink);
}

.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.related-card {
  display: grid;
  min-height: 210px;
  padding: 18px;
  gap: 8px;
  background: var(--surface);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
}

.related-card small {
  color: var(--muted);
}

.correction-list li {
  margin-bottom: 12px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1.1fr) minmax(260px, 0.9fr);
  gap: clamp(24px, 5vw, 72px);
  padding: 40px clamp(20px, 4vw, 56px);
  color: var(--surface);
  background: var(--ink);
  border-top: 6px solid var(--gold);
}

.footer-intro {
  max-width: 680px;
}

.site-footer .wordmark {
  margin-bottom: 14px;
}

.site-footer p {
  color: #c8ced8;
  font-size: 13px;
}

.footer-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  border-top: 1px solid #3c4350;
}

.footer-map a {
  display: flex;
  align-items: center;
  min-height: var(--control);
  padding: 8px 0;
  color: #e7ebf1;
  border-bottom: 1px solid #3c4350;
  text-decoration: none;
}

.footer-map a:nth-child(odd) {
  padding-right: 12px;
  border-right: 1px solid #3c4350;
}

.footer-map a:nth-child(even) {
  padding-left: 12px;
}

.footer-partner {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #3c4350;
}

.footer-partner a {
  color: var(--gold);
  font-weight: 800;
}

@media (max-width: 68rem) {
  .board-lead {
    grid-column: 1 / span 7;
    grid-row: 2;
  }

  .market-board {
    grid-column: 1 / span 5;
    grid-row: 3;
    border-right: 0;
  }

  .partner-slab {
    grid-column: 8 / span 5;
    grid-row: 2;
    border-right: 1px solid var(--line);
  }

  .board-alert {
    grid-column: 6 / span 7;
    grid-row: 3;
  }

  .board-tools {
    grid-column: 1 / -1;
  }

  .article-hero .cta-box {
    grid-template-columns: 1fr 1fr;
  }

  .article-hero .cta-box .button-row {
    grid-column: 1 / -1;
  }

  .article-directory-hero {
    grid-template-columns: 1fr;
  }

  .article-directory-partner {
    display: grid;
    grid-template-columns: minmax(180px, 0.75fr) minmax(0, 1.25fr);
    gap: 10px 24px;
    align-items: center;
    box-shadow: 12px 14px 0 #1b3148;
  }

  .article-directory-partner .partner-lockup,
  .article-directory-partner__label,
  .article-directory-disclosure {
    grid-column: 1;
  }

  .article-directory-partner .code-line,
  .article-directory-benefit,
  .article-directory-register {
    grid-column: 2;
  }

  .article-directory-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 48rem) {
  html {
    scroll-padding-top: 72px;
  }

  .site-frame {
    display: block;
  }

  .channel-rail {
    display: none;
  }

  .mobile-header {
    position: sticky;
    z-index: 40;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 14px;
    color: var(--surface);
    background: var(--ink);
    border-bottom: 1px solid #343a45;
  }

  .mobile-header .wordmark img {
    width: 36px;
    height: 26px;
  }

  .nav-toggle {
    min-width: var(--control);
    min-height: var(--control);
    padding: 8px 12px;
    color: var(--surface);
    background: transparent;
    border: 1px solid #687284;
    border-radius: 0;
    font-weight: 800;
  }

  .channel-drawer {
    position: sticky;
    z-index: 35;
    top: 64px;
    display: grid;
    max-height: calc(100vh - 64px);
    padding: 8px 16px 16px;
    color: var(--surface);
    background: var(--ink);
    border-bottom: 5px solid var(--gold);
    overflow-y: auto;
  }

  .channel-drawer[hidden] {
    display: none;
  }

  .channel-drawer a {
    display: flex;
    align-items: center;
    min-height: var(--control);
    color: #e7ebf1;
    border-bottom: 1px solid #343a45;
    font-weight: 750;
    text-decoration: none;
  }

  .channel-drawer p {
    margin: 14px 0 0;
    color: #aab3c2;
    font-size: 11px;
  }

  .live-board {
    display: flex;
    flex-direction: column;
  }

  .live-board__bar {
    order: 0;
    min-height: var(--control);
    padding-inline: 16px;
  }

  .live-board__bar time {
    display: none;
  }

  .board-lead,
  .market-board,
  .partner-slab,
  .board-alert,
  .board-tools {
    width: 100%;
    padding: 24px 18px;
    border-right: 0;
  }

  .partner-slab {
    order: 2;
    padding: 14px 18px 16px;
  }

  .board-lead {
    order: 1;
    padding-block: 20px 22px;
  }

  .market-board {
    order: 3;
  }

  .board-alert {
    order: 4;
  }

  .board-tools {
    order: 5;
  }

  .partner-slab .partner-brand-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    margin-bottom: 8px;
  }

  .partner-slab .partner-lockup,
  .partner-slab .partner-disclosure {
    margin: 0;
  }

  .partner-slab .partner-lockup img {
    width: auto;
    height: 36px;
  }

  .partner-slab h2 {
    margin-bottom: 6px;
    font-size: 1.35rem;
  }

  .partner-slab .partner-offer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 10px;
    align-items: stretch;
  }

  .partner-slab h2,
  .partner-slab .partner-cta,
  .partner-slab .partner-benefit,
  .partner-slab .partner-footnote {
    grid-column: 1 / -1;
  }

  .partner-slab .invite-code,
  .partner-slab .partner-copy,
  .partner-slab .partner-cta,
  .partner-slab .partner-benefit {
    margin: 0;
  }

  .partner-slab .partner-copy {
    min-width: 94px;
  }

  .partner-slab .partner-benefit strong {
    font-size: 17px;
  }

  .partner-slab .partner-cta {
    grid-column: 1 / -1;
  }

  .partner-slab .partner-footnote {
    padding-top: 0;
  }

  .board-lead h1 {
    font-size: clamp(2.05rem, 10vw, 2.8rem);
  }

  .board-lead .board-label {
    margin-bottom: 14px;
  }

  .board-lead .lead {
    font-size: 1rem;
    line-height: 1.62;
  }

  .market-list li {
    padding: 15px 0;
  }

  .partner-lockup {
    min-height: 36px;
  }

  .board-alert {
    display: block;
  }

  .board-tools {
    background: var(--surface);
  }

  .strip {
    display: block;
  }

  .strip div {
    border-right: 0;
    border-bottom: 1px solid #404653;
  }

  .section-head,
  .tool-layout,
  .article-main,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .workflow-band,
  .tools-band,
  .article-band,
  .page-hero,
  .tool-layout,
  .article-layout {
    padding: 40px 16px;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .steps > div {
    min-height: 190px;
  }

  .tools-band {
    display: block;
  }

  .tool-card + .tool-card {
    margin: -1px 0 0;
  }

  .article-grid {
    display: block;
    border-left: 0;
  }

  .article-directory-hero {
    padding: 48px 20px 54px;
  }

  .article-directory-hero h1 {
    font-size: clamp(2.55rem, 13vw, 4.3rem);
  }

  .article-directory-partner {
    display: block;
    padding: 24px 20px;
    box-shadow: 8px 10px 0 #1b3148;
  }

  .article-directory-partner > * + * {
    margin-top: 12px;
  }

  .article-directory-content {
    padding: 58px 16px 78px;
  }

  .article-shelf__header {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .article-shelf__header > p {
    justify-self: start;
  }

  .article-directory-grid {
    grid-template-columns: 1fr;
  }

  .article-card,
  .article-card:nth-child(n) {
    min-height: 0;
    border-left: 1px solid var(--ink);
  }

  .article-hero {
    padding: 22px 18px;
    border-left-width: 6px;
  }

  .article-hero h1 {
    font-size: clamp(2rem, 9.2vw, 3rem);
  }

  .article-hero .lead {
    font-size: 1rem;
    line-height: 1.58;
  }

  .article-mobile-answer {
    display: block;
    margin-top: 16px;
    padding: 13px 14px;
    color: var(--ink);
    background: var(--surface);
    border-left: 5px solid var(--gold);
  }

  .article-mobile-answer h2 {
    margin: 0 0 8px;
    color: var(--ink);
    font-size: 1.2rem;
  }

  .article-mobile-answer ul {
    margin: 0;
    padding-left: 1.15rem;
  }

  .article-mobile-answer li {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
  }

  .article-mobile-answer li + li {
    margin-top: 5px;
  }

  .article-hero .cta-box {
    display: block;
    margin-top: 16px;
    border-top-width: 5px;
  }

  .article-hero .cta-box > * + * {
    margin-top: 12px;
  }

  .partner-note > .partner-disclosure,
  .partner-note > .partner-offer {
    padding: 12px;
  }

  .partner-note > .partner-offer {
    margin-top: 8px;
  }

  .article-hero .partner-disclosure .partner-lockup {
    margin-bottom: 4px;
  }

  .article-hero .partner-disclosure .partner-lockup img {
    height: 28px;
  }

  .article-hero .partner-disclosure p {
    margin: 5px 0 0;
    font-size: 11px;
    line-height: 1.45;
  }

  .article-hero .partner-offer > p:first-child {
    margin: 0 0 8px;
    font-size: 12px;
  }

  .article-hero .partner-offer .code-line {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .article-hero .partner-offer .fineprint {
    margin: 8px 0;
    font-size: 12px;
    line-height: 1.45;
  }

  .article-hero .partner-offer .primary-btn {
    width: 100%;
  }

  .article-cover {
    border-inline: 0;
  }

  .article-main {
    margin-top: 32px;
  }

  .toc {
    position: static;
  }

  .article-shell .toc {
    position: static;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: 7px 6px;
    font-size: 12px;
  }

  .site-footer {
    padding: 34px 18px;
  }
}

@media (max-width: 30rem) {
  .board-tool-links,
  .footer-map {
    grid-template-columns: 1fr;
  }

  .board-tool-links a:nth-child(n),
  .footer-map a:nth-child(n) {
    padding-inline: 0;
    border-right: 0;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .steps > div {
    min-height: 0;
  }

  .code-line {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}