:root {
  --portal-blue-deep: #0b3c5d;
  --portal-blue: #1769a0;
  --portal-blue-bright: #1e79b7;
  --portal-blue-pale: #eaf4fa;
  --portal-paper: #ffffff;
  --portal-paper-soft: #f5f8fa;
  --portal-ink: #102f47;
  --portal-ink-soft: #50677a;
  --portal-muted: #718394;
  --portal-line: #d7e2e9;
  --portal-line-strong: #b8ccd9;
  --portal-shadow: 0 18px 48px rgba(10, 52, 82, 0.1);
}

.demo-portal-page {
  --action: var(--portal-blue);
  --action-dark: var(--portal-blue-deep);
  --bg: var(--portal-paper-soft);
  --content: 1240px;
  --ink: var(--portal-ink);
  --ink-soft: var(--portal-ink-soft);
  --line: var(--portal-line);
  --line-strong: var(--portal-line-strong);
  --moss: var(--portal-blue);
  --moss-dark: var(--portal-blue-deep);
  --muted: var(--portal-muted);
  --radius-lg: 2px;
  --radius-md: 2px;
  --radius-sm: 2px;
  --shadow-md: var(--portal-shadow);
  --shadow-sm: 0 8px 24px rgba(10, 52, 82, 0.07);
  --surface: var(--portal-paper);
  --surface-tint: var(--portal-paper-soft);
  min-height: 100vh;
  margin: 0;
  background: var(--portal-paper-soft);
  color: var(--portal-ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

.demo-portal-page::before {
  display: none;
}

.demo-portal-page *,
.demo-portal-page *::before,
.demo-portal-page *::after {
  box-sizing: border-box;
}

.demo-portal-page a {
  color: inherit;
}

.portal-shell {
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
}

.portal-skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--portal-paper);
  color: var(--portal-blue-deep);
  text-decoration: none;
  box-shadow: var(--portal-shadow);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.demo-portal-page :focus-visible {
  outline: 3px solid rgba(23, 105, 160, 0.35);
  outline-offset: 3px;
}

.demo-global-banner .header-account-links > a[aria-current="page"]:not(.header-login) {
  color: var(--demo-blue-deep);
  background: var(--demo-blue-pale);
}

@media (min-width: 901px) {
  .demo-portal-page .demo-global-banner .demo-primary-nav a {
    color: rgba(247, 251, 254, 0.9);
  }

  .demo-portal-page .demo-global-banner .demo-primary-nav a:hover,
  .demo-portal-page .demo-global-banner .demo-primary-nav a.is-active {
    color: var(--demo-paper);
  }
}

.portal-header {
  position: sticky;
  top: -85px;
  z-index: 20;
  background: var(--portal-paper);
  border-top: 3px solid var(--portal-blue-deep);
}

.portal-header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 82px;
}

.portal-brand-country,
.portal-brand,
.portal-home-return,
.portal-account-nav,
.portal-primary-nav,
.portal-footer .portal-shell {
  display: flex;
  align-items: center;
}

.portal-brand-country {
  flex: 0 0 auto;
  gap: 20px;
}

.portal-brand {
  gap: 11px;
  color: var(--portal-ink);
  line-height: 1;
  text-decoration: none;
}

.portal-brand-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  background: url("/static/site-logo.jpg?v=brand-1") center / contain no-repeat;
  filter: drop-shadow(0 6px 12px rgba(8, 41, 67, 0.1));
}

.portal-brand-copy {
  display: grid;
  gap: 7px;
}

.portal-brand-copy strong {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.portal-brand-copy small {
  color: var(--portal-muted);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.portal-home-return {
  gap: 8px;
  min-height: 40px;
  padding: 0 0 0 20px;
  color: var(--portal-ink-soft);
  border-left: 1px solid var(--portal-line);
  font-size: 14px;
  text-decoration: none;
  transition: color 180ms ease;
}

.portal-home-return:hover {
  color: var(--portal-blue);
}

.portal-home-return svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.portal-account-nav {
  justify-content: flex-end;
  gap: 2px;
  white-space: nowrap;
}

.portal-account-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  color: var(--portal-ink-soft);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.portal-account-link:hover,
.portal-account-link.is-active:not(.portal-login-link) {
  color: var(--portal-blue-deep);
  background: var(--portal-blue-pale);
  border-color: #c9deeb;
}

.portal-login-link {
  margin-left: 8px;
  color: var(--portal-paper);
  background: var(--portal-blue);
  border-color: var(--portal-blue);
}

.portal-login-link:hover,
.portal-login-link.is-active {
  color: var(--portal-paper);
  background: var(--portal-blue-deep);
  border-color: var(--portal-blue-deep);
}

.portal-nav-wrap {
  background: var(--portal-blue-deep);
  box-shadow: 0 8px 22px rgba(7, 44, 69, 0.12);
}

.portal-primary-nav {
  min-height: 54px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.portal-primary-nav a {
  display: inline-flex;
  flex: 1 0 auto;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 54px;
  padding: 0 13px;
  color: #eaf4fa;
  border-bottom: 3px solid transparent;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.portal-primary-nav a:hover {
  color: var(--portal-paper);
  background: rgba(255, 255, 255, 0.08);
  border-bottom-color: #8fc5e6;
}

.demo-portal-page .portal-main {
  min-height: calc(100vh - 224px);
  padding: 52px 0 72px;
}

.demo-portal-page .page-head {
  gap: 11px;
  padding: 0 0 28px;
  border-bottom: 1px solid var(--portal-line);
}

.demo-portal-page .page-head::before {
  width: 42px;
  height: 3px;
  content: "";
  background: var(--portal-blue);
}

.demo-portal-page .page-head h1,
.demo-portal-page .auth-panel h1 {
  margin: 0;
  color: var(--portal-blue-deep);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 850;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.demo-portal-page .page-head .summary {
  max-width: 760px;
  color: var(--portal-ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.demo-portal-page .section {
  padding: 30px 0 0;
}

.demo-portal-page .plan-grid {
  gap: 20px;
}

.demo-portal-page .plan-card {
  min-height: 340px;
  padding: 32px;
  background: var(--portal-paper);
  border: 1px solid var(--portal-line);
  border-top: 4px solid var(--portal-blue);
  border-radius: 0;
  box-shadow: 0 14px 34px rgba(9, 55, 86, 0.07);
}

.demo-portal-page .plan-card::before {
  display: none;
}

.demo-portal-page .plan-card:hover {
  border-color: var(--portal-blue);
  border-top-color: var(--portal-blue);
  box-shadow: var(--portal-shadow);
  transform: translateY(-3px);
}

.demo-portal-page .plan-code {
  color: var(--portal-blue);
  letter-spacing: 0.08em;
}

.demo-portal-page .plan-card h2 {
  margin: 22px 0 18px;
  color: var(--portal-blue-deep);
  font-size: 42px;
}

.demo-portal-page .plan-card p {
  color: var(--portal-ink-soft);
  line-height: 1.75;
}

.demo-portal-page .portal-main button,
.demo-portal-page .button-link {
  min-height: 46px;
  border-radius: 0;
  background: var(--portal-blue);
  border-color: var(--portal-blue);
  color: #fff;
  box-shadow: none;
}

.demo-portal-page .portal-main button:hover,
.demo-portal-page .button-link:hover,
.demo-portal-page .portal-main button:focus-visible,
.demo-portal-page .button-link:focus-visible {
  background: var(--portal-blue-deep);
  border-color: var(--portal-blue-deep);
  color: #fff;
  box-shadow: none;
}

.demo-portal-page .auth-panel {
  position: relative;
  max-width: 570px;
  margin: 18px auto;
  padding: 40px;
  background: var(--portal-paper);
  border: 1px solid var(--portal-line);
  border-top: 4px solid var(--portal-blue);
  border-radius: 0;
  box-shadow: var(--portal-shadow);
}

.demo-portal-page .mock-pay-panel {
  max-width: 640px;
}

.demo-portal-page .mock-pay-panel p {
  margin: 20px 0 0;
  color: var(--portal-ink-soft);
  line-height: 1.8;
}

.demo-portal-page .mock-pay-panel .auth-form {
  margin-top: 28px;
}

.portal-page-login .auth-switch {
  margin-bottom: 0;
}

.portal-page-login .auth-panel h1 {
  margin: 24px 0 20px;
}

.portal-page-login .auth-form {
  gap: 16px;
}

.portal-page-login .auth-form + .auth-form {
  margin-top: 20px;
}

.portal-page-login .auth-form input {
  min-height: 52px;
  padding: 14px 16px;
}

.portal-page-login .auth-form button {
  min-height: 50px;
  margin-top: 4px;
}

.demo-portal-page .auth-switch,
.demo-portal-page .auth-method-switch {
  background: var(--portal-paper-soft);
  border-color: var(--portal-line);
  border-radius: 0;
}

.demo-portal-page .auth-switch a,
.demo-portal-page .auth-method-switch a {
  border-radius: 0;
}

.demo-portal-page .auth-switch a[aria-current="page"],
.demo-portal-page .auth-method-switch a[aria-current="page"] {
  color: var(--portal-blue-deep);
  box-shadow: inset 0 -2px var(--portal-blue);
}

.demo-portal-page .auth-form input,
.demo-portal-page .profile-form input,
.demo-portal-page .profile-form textarea,
.demo-portal-page .profile-form select {
  border-color: var(--portal-line-strong);
  border-radius: 0;
  background: var(--portal-paper);
}

.demo-portal-page .auth-form input:focus,
.demo-portal-page .profile-form input:focus,
.demo-portal-page .profile-form textarea:focus,
.demo-portal-page .profile-form select:focus {
  border-color: var(--portal-blue);
  box-shadow: 0 0 0 3px rgba(23, 105, 160, 0.1);
}

.demo-portal-page .account-tabs {
  gap: 0;
  padding: 0;
  border-bottom-color: var(--portal-line-strong);
}

.demo-portal-page .account-tabs a {
  min-height: 48px;
  padding: 0 24px;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  box-shadow: none;
}

.demo-portal-page .account-tabs a:hover,
.demo-portal-page .account-tabs a[aria-selected="true"] {
  color: var(--portal-blue-deep);
  background: var(--portal-blue-pale);
  border-bottom-color: var(--portal-blue);
  box-shadow: none;
}

.demo-portal-page .account-layout {
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.55fr);
  gap: 22px;
  padding-top: 28px;
}

.demo-portal-page .account-card,
.demo-portal-page .profile-panel,
.demo-portal-page .empty,
.demo-portal-page .billing-history-row {
  background: var(--portal-paper);
  border: 1px solid var(--portal-line);
  border-radius: 0;
  box-shadow: 0 10px 30px rgba(9, 55, 86, 0.06);
}

.demo-portal-page .account-card {
  border-top: 4px solid var(--portal-blue);
}

.demo-portal-page .profile-panel {
  padding: 30px;
}

.demo-portal-page .account-card h2,
.demo-portal-page .profile-panel h2 {
  color: var(--portal-blue-deep);
}

.demo-portal-page .billing-history-list {
  grid-template-columns: 1fr;
  gap: 12px;
}

.demo-portal-page .billing-history-row {
  grid-template-columns: minmax(160px, 0.6fr) minmax(0, 3fr);
  align-items: center;
  gap: 20px;
  padding: 16px 18px;
}

.demo-portal-page .billing-row-title {
  display: grid;
  justify-content: start;
  gap: 4px;
}

.demo-portal-page .billing-history-row .account-facts.compact {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px 16px;
}

.demo-portal-page .notice {
  color: var(--portal-blue-deep);
  background: var(--portal-blue-pale);
  border-color: #bfdae9;
}

.portal-footer {
  color: #cadce7;
  background: #082f4b;
  border-top: 1px solid #174d70;
}

.portal-footer .portal-shell {
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  font-size: 12px;
}

.portal-footer a {
  color: #ffffff;
  text-decoration: none;
}

@media (max-width: 900px) {
  .portal-shell {
    width: min(100% - 32px, 1240px);
  }

  .portal-primary-nav {
    width: 100%;
    padding-inline: 16px;
  }

  .demo-portal-page .plan-grid,
  .demo-portal-page .account-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .portal-header {
    top: 0;
  }

  .portal-header-main {
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 13px 0 12px;
  }

  .portal-brand-copy small,
  .portal-home-return span {
    display: none;
  }

  .portal-home-return {
    padding-left: 14px;
  }

  .portal-account-nav {
    width: 100%;
    justify-content: stretch;
  }

  .portal-account-link {
    flex: 1;
    padding-inline: 10px;
  }

  .portal-login-link {
    margin-left: 0;
  }

  .portal-primary-nav,
  .portal-primary-nav a {
    min-height: 48px;
  }

  .demo-portal-page .portal-main {
    padding: 36px 0 52px;
  }

  .demo-portal-page .auth-panel,
  .demo-portal-page .plan-card,
  .demo-portal-page .profile-panel,
  .demo-portal-page .account-card {
    padding: 24px;
  }

  .demo-portal-page .plan-grid {
    gap: 8px;
  }

  .demo-portal-page .plan-card {
    min-height: 176px;
    padding: 12px 16px;
  }

  .demo-portal-page .plan-card > div {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 12px;
    align-items: center;
  }

  .demo-portal-page .plan-card .plan-code {
    align-self: center;
  }

  .demo-portal-page .plan-card h2 {
    margin: 0;
    font-size: 32px;
  }

  .demo-portal-page .plan-card p {
    grid-column: 1 / -1;
    margin: 0;
    font-size: 15px;
    line-height: 1.35;
  }

  .demo-portal-page .plan-card .duration {
    margin-top: 2px;
  }

  .demo-portal-page .plan-card form {
    margin-top: 10px;
  }

  .demo-portal-page .plan-card button {
    min-height: 42px;
  }

  .demo-portal-page .account-tabs {
    display: flex;
    overflow-x: auto;
  }

  .demo-portal-page .account-tabs a {
    flex: 0 0 auto;
    min-height: 42px;
    padding-inline: 12px;
  }

  .portal-page-account .portal-main {
    padding: 24px 0 40px;
  }

  .portal-page-account .page-head {
    padding-bottom: 16px;
  }

  .portal-page-account .account-layout {
    gap: 10px;
    padding: 12px 0 28px;
  }

  .portal-page-account .account-tab-panel {
    margin: 12px 0 28px;
  }

  .portal-page-account .account-card,
  .portal-page-account .profile-panel {
    padding: 14px 16px;
  }

  .portal-page-account .account-card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 6px 12px;
  }

  .portal-page-account .account-card h2 {
    font-size: 19px;
  }

  .portal-page-account .account-card .account-facts {
    grid-column: 1 / -1;
  }

  .portal-page-account .account-facts {
    gap: 6px;
  }

  .portal-page-account .account-facts.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 12px;
  }

  .portal-page-account .subscription-summary-panel h2 {
    margin-bottom: 10px;
    font-size: 20px;
  }

  .portal-page-account .subscription-summary {
    gap: 6px;
    padding-top: 8px;
  }

  .portal-page-account .subscription-summary .notice {
    padding: 8px 10px;
  }

  .portal-page-account .account-panel-head {
    gap: 2px;
    margin-bottom: 10px;
  }

  .portal-page-account .account-panel-head h2 {
    font-size: 20px;
  }

  .portal-page-account .account-panel-head p {
    font-size: 14px;
    line-height: 1.4;
  }

  .portal-page-account .billing-history-list {
    gap: 8px;
  }

  .portal-page-account .billing-history-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 14px;
  }

  .portal-page-account .billing-row-title {
    display: flex;
    gap: 8px 12px;
  }

  .portal-page-account .billing-row-title h3 {
    font-size: 16px;
  }
}

@media (max-width: 420px) {
  .portal-shell {
    width: min(100% - 24px, 1240px);
  }

  .portal-brand-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .portal-brand-copy strong {
    font-size: 18px;
  }

  .portal-account-link {
    font-size: 12px;
  }
}