:root {
  --ink: #243447;
  --muted: #536579;
  --navy: #1f2f46;
  --blue: #234067;
  --blue-2: #315b87;
  --link: #2f6797;
  --banner: #e7e7e7;
  --paper: #ffffff;
  --wash: #f4f6f8;
  --line: #c7d0db;
  --gold: #b5873e;
  --shadow: 0 2px 6px rgb(31 47 70 / 14%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #6a7c94;
  font-family: Arial, Helvetica, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1188px, calc(100% - 48px));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.official-banner {
  color: #1f2937;
  background: var(--banner);
  border-bottom: 1px solid #c6c6c6;
  font-size: 13px;
}

.banner-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 30px;
}

.mini-mark {
  width: 22px;
  height: 14px;
  display: inline-block;
  border: 1px solid #b6bec8;
  background:
    linear-gradient(#b13a3a 0 14%, #fff 14% 28%, #b13a3a 28% 42%, #fff 42% 56%, #b13a3a 56% 70%, #fff 70% 84%, #b13a3a 84%),
    linear-gradient(90deg, #315b87 0 42%, transparent 42%);
}

.banner-toggle {
  border: 0;
  background: transparent;
  color: #244c7f;
  border-bottom: 1px solid currentColor;
  padding: 0;
  cursor: pointer;
}

.banner-details {
  padding: 8px 0 12px;
  color: #374151;
}

.site-header {
  background: var(--paper);
}

.utility-bar {
  background: #1f2735;
  color: white;
  box-shadow: var(--shadow);
}

.utility-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 45px;
  gap: 18px;
}

.utility-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.utility-inner nav a {
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.utility-inner nav a + a::before {
  content: "·";
  color: #d2d8e0;
  margin: 0 9px;
}

.search-form {
  display: flex;
  align-items: center;
}

.search-form input {
  width: 180px;
  height: 31px;
  border: 0;
  padding: 0 10px;
  background: white;
}

.search-form button {
  height: 31px;
  border: 0;
  color: white;
  background: #566173;
  padding: 0 13px;
  cursor: pointer;
}

.masthead {
  color: white;
  background:
    linear-gradient(rgb(35 55 86 / 92%), rgb(35 55 86 / 92%)),
    repeating-linear-gradient(90deg, rgb(255 255 255 / 8%) 0 1px, transparent 1px 54px);
  border-bottom: 1px solid rgb(255 255 255 / 14%);
}

.masthead-inner {
  min-height: 158px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  text-align: center;
}

.seal {
  width: 88px;
  height: 88px;
  flex: 0 0 auto;
  filter: drop-shadow(0 2px 2px rgb(0 0 0 / 28%));
}

.eyebrow,
.section-kicker,
.meta {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.masthead .eyebrow {
  color: #dbe6f4;
}

.masthead h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.15;
  font-weight: 700;
  text-shadow: 0 1px 2px rgb(0 0 0 / 28%);
}

.tagline {
  max-width: 760px;
  margin: 8px auto 0;
  color: #f2f5fa;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  font-style: italic;
}

.primary-nav {
  background: linear-gradient(#315d8a, #1f4167);
  border-bottom: 4px solid var(--gold);
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
}

.nav-grid a {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  text-align: center;
  border-left: 1px solid rgb(255 255 255 / 24%);
}

.nav-grid a[aria-current="page"] {
  background: rgb(16 36 60 / 34%);
}

.nav-grid a:last-child {
  border-right: 1px solid rgb(255 255 255 / 24%);
}

.status-strip,
main {
  background: var(--paper);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.status-grid article {
  padding: 17px 20px;
  border-right: 1px solid var(--line);
  background: #f9fafb;
}

.status-grid article:last-child {
  border-right: 0;
}

.status-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-grid strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
  font-size: 20px;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 44px;
  padding: 38px 0 34px;
}

.hero-copy h2,
.blue-band h2,
.documents-section h2,
.airdrop-section h2,
.risk-section h2 {
  margin: 0 0 13px;
  color: #1a2b41;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.18;
}

.hero-copy p {
  max-width: 800px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--blue-2);
  font-weight: 700;
}

.button.primary {
  color: white;
  background: var(--blue);
}

.button.secondary {
  color: var(--blue);
  background: white;
}

.button.tertiary {
  color: #1f2937;
  border-color: #9ca8b5;
  background: #f5f6f8;
}

.official-card,
.content-card {
  border: 1px solid var(--line);
  background: #fbfcfd;
}

.official-card {
  padding: 22px;
}

.official-card h3 {
  margin: 0 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
}

.official-card dl {
  margin: 0;
}

.official-card div {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.official-card dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.official-card dd {
  margin: 3px 0 0;
  font-weight: 700;
}

code {
  padding: 2px 5px;
  background: #eef2f6;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.tab-section {
  padding: 16px 0 38px;
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
}

.tabs button {
  min-height: 60px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-bottom: 0;
  color: #3d4652;
  background: #f7f7f7;
  font-size: 18px;
  cursor: pointer;
}

.tabs button[aria-selected="true"] {
  color: var(--ink);
  background: white;
}

.tab-panels {
  border: 1px solid var(--line);
  border-top: 0;
  padding: 20px;
}

.news-list article {
  max-width: 760px;
  padding: 0 0 17px;
}

.news-list article + article {
  border-top: 1px solid #e3e8ee;
  padding-top: 17px;
}

.news-list h3 {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 400;
}

.news-list p,
.notice-grid p {
  margin: 0;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.notice-grid article {
  border: 1px solid var(--line);
  padding: 18px;
  background: #f8fafc;
}

.notice-grid h3 {
  margin: 0 0 8px;
}

.publication-list {
  margin: 0;
  padding-left: 20px;
}

.publication-list li + li {
  margin-top: 10px;
}

.blue-band {
  color: white;
  background: var(--blue);
  padding: 38px 0;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 44px;
  align-items: center;
}

.section-kicker.light {
  color: #d8e5f4;
}

.blue-band h2,
.blue-band p {
  color: white;
}

.formula-panel {
  border: 1px solid rgb(255 255 255 / 34%);
  background: rgb(255 255 255 / 8%);
  padding: 22px;
  font-size: 18px;
  text-align: center;
}

.formula-panel div {
  padding: 14px;
  background: rgb(255 255 255 / 12%);
  border: 1px solid rgb(255 255 255 / 26%);
}

.formula-panel span {
  display: block;
  margin: 6px 0;
  color: #f0c878;
  font-weight: 700;
  font-size: 22px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 38px 0;
}

.content-card {
  padding: 22px;
}

.content-card h2 {
  margin: 0 0 9px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
}

.content-card p:not(.meta) {
  min-height: 74px;
}

.copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.copy-row code {
  overflow-wrap: anywhere;
}

.copy-row button {
  min-height: 32px;
  border: 1px solid var(--blue-2);
  color: var(--blue);
  background: white;
  cursor: pointer;
}

.airdrop-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 520px;
  gap: 34px;
  padding: 38px 0;
  border-top: 1px solid var(--line);
}

.airdrop-table {
  border: 1px solid var(--line);
}

.airdrop-table > div {
  display: grid;
  grid-template-columns: 170px 1fr;
}

.airdrop-table > div + div {
  border-top: 1px solid var(--line);
}

.airdrop-table strong,
.airdrop-table span {
  padding: 14px;
}

.airdrop-table strong {
  background: #f1f4f7;
}

.documents-section {
  padding: 38px 0;
  border-top: 1px solid var(--line);
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.document-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.document-list a {
  display: block;
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fbfcfd;
}

.document-list span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.document-list strong {
  display: block;
  margin-top: 9px;
  color: var(--link);
  font-size: 18px;
  line-height: 1.35;
}

.risk-section {
  padding: 38px 0;
  background: #f5f7f9;
  border-top: 1px solid var(--line);
}

.risk-section p:last-child {
  max-width: 980px;
}

.site-footer {
  color: white;
  background: #1f2735;
  padding: 28px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-grid > div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-seal {
  width: 48px;
  height: 48px;
}

.site-footer a {
  color: white;
  font-weight: 700;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-language {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #d8e0ea;
  font-size: 13px;
}

.footer-language button {
  border: 0;
  color: #d8e0ea;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.footer-language button[aria-pressed="true"] {
  color: white;
  font-weight: 700;
  text-decoration: underline;
}

.interior-main {
  background: var(--paper);
}

.breadcrumb {
  padding: 10px 0 9px;
  color: var(--muted);
  font-size: 15px;
}

.breadcrumb a {
  color: var(--link);
}

.interior-title {
  padding: 14px 0 10px;
  border-bottom: 1px solid var(--line);
}

.interior-title h2 {
  margin: 0;
  color: #1a2b41;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.2;
}

.about-intro {
  display: grid;
  grid-template-columns: minmax(260px, 455px) minmax(0, 1fr);
  gap: 32px;
  padding: 34px 0 30px;
}

.about-visual {
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 28px;
  color: white;
  text-align: center;
  background:
    linear-gradient(rgb(16 24 34 / 72%), rgb(16 24 34 / 72%)),
    repeating-linear-gradient(90deg, rgb(255 255 255 / 7%) 0 1px, transparent 1px 46px),
    var(--navy);
}

.about-visual img {
  width: 116px;
  height: 116px;
  margin-bottom: 14px;
  filter: drop-shadow(0 2px 4px rgb(0 0 0 / 30%));
}

.about-visual strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  line-height: 1.2;
}

.about-visual span {
  display: block;
  margin-top: 8px;
  color: #dbe6f4;
  font-style: italic;
}

.about-summary {
  font-size: 16px;
}

.about-summary p:first-child {
  margin-top: 0;
  font-weight: 700;
}

.about-summary ul {
  margin: 12px 0 0;
  padding-left: 22px;
}

.about-summary li + li {
  margin-top: 8px;
}

.about-directory {
  padding: 24px 0 34px;
  border-top: 1px solid var(--line);
}

.about-directory > h2,
.about-governance h2 {
  margin: 0 0 18px;
  color: #1a2b41;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  line-height: 1.2;
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.directory-grid a {
  min-height: 132px;
  display: block;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: #fbfcfd;
}

.directory-grid a:hover,
.directory-grid a:focus {
  background: #f1f5f9;
  text-decoration: none;
}

.directory-grid span {
  display: block;
  color: var(--link);
  font-size: 20px;
  font-weight: 700;
}

.directory-grid strong {
  display: block;
  margin-top: 8px;
  color: #374151;
  font-weight: 400;
}

.about-governance {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 34px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.about-governance p {
  margin: 0;
}

.about-governance aside {
  border: 1px solid var(--line);
  background: #f8fafc;
  padding: 18px;
}

.about-governance h3 {
  margin: 0 0 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
}

.about-governance dl {
  margin: 0;
}

.about-governance dl div {
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.about-governance dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.about-governance dd {
  margin: 2px 0 0;
  font-weight: 700;
}

.last-update {
  padding: 18px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .utility-inner,
  .masthead-inner,
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .masthead-inner {
    text-align: left;
    padding: 24px 0;
  }

  .nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .status-grid,
  .hero-section,
  .two-column,
  .content-grid,
  .airdrop-section,
  .document-list,
  .notice-grid,
  .about-intro,
  .about-governance {
    grid-template-columns: 1fr;
  }

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

  .tabs {
    display: grid;
    grid-template-columns: 1fr;
  }

  .tabs button {
    justify-content: flex-start;
    text-align: left;
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 28px, 1188px);
  }

  .utility-inner nav a {
    font-size: 13px;
  }

  .search-form {
    width: 100%;
  }

  .search-form input {
    width: 100%;
  }

  .status-grid strong {
    font-size: 18px;
  }

  .airdrop-table > div {
    grid-template-columns: 1fr;
  }

  .action-row .button {
    width: 100%;
  }

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