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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #101828;
  background: #F4F6FA;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  margin: 0 0 16px;
  font-weight: 800;
  line-height: 1.3;
  color: inherit;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
  margin: 0 0 16px;
}

a {
  color: #1D4ED8;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

a:hover {
  color: #FF6B2C;
}

ul,
ol {
  margin: 0 0 24px;
  padding-left: 1.25em;
}

li + li {
  margin-top: 4px;
}

figure {
  margin: 0;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

blockquote {
  margin: 48px 0;
  padding: 4px 0 4px 24px;
  border-left: 3px solid #FF6B2C;
  color: #0B1B3B;
  font-weight: 500;
}

hr {
  border: none;
  border-top: 1px solid #D0D5DD;
  margin: 48px 0;
}

:root {
  --c-space: #0B1B3B;
  --c-orange: #FF6B2C;
  --c-gold: #C9A227;
  --c-cloud: #F4F6FA;
  --c-ink: #101828;
  --c-data: #1D4ED8;
  --c-danger: #E5484D;
  --c-online: #30A46C;
  --c-line: #D0D5DD;
  --c-deep: #010B18;

  --font-heading: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-data: 'JetBrains Mono', 'IBM Plex Mono', monospace;

  --size-h1: 2.5rem;
  --size-h2: 1.5rem;
  --size-h3: 1.25rem;
  --size-base: 16px;
  --lh: 1.75;

  --container-w: 1200px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
}

:focus-visible {
  outline: 2px solid #FF6B2C;
  outline-offset: 2px;
}

::selection {
  background: #FF6B2C;
  color: #F4F6FA;
}

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

.skip-link {
  position: absolute;
  top: -200px;
  left: 16px;
  z-index: 1000;
  display: inline-block;
  padding: 8px 16px;
  background: #FF6B2C;
  color: #F4F6FA;
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
  color: #F4F6FA;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.container--narrow {
  max-width: 720px;
}

.main-content {
  min-height: 70vh;
}

#main-content:focus-visible {
  outline: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: 2px solid #0B1B3B;
  background: #0B1B3B;
  color: #F4F6FA;
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  background: #FF6B2C;
  border-color: #FF6B2C;
  color: #F4F6FA;
}

.btn--primary {
  background: #FF6B2C;
  border-color: #FF6B2C;
  color: #F4F6FA;
}

.btn--primary:hover {
  background: #0B1B3B;
  border-color: #0B1B3B;
  color: #F4F6FA;
}

.btn--outline {
  background: transparent;
  border-color: #FF6B2C;
  color: #FF6B2C;
}

.btn--outline:hover {
  background: #FF6B2C;
  color: #F4F6FA;
}

.btn--large {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn:focus-visible {
  outline: 2px solid #FF6B2C;
  outline-offset: 2px;
}

.breadcrumb {
  margin: 0 0 32px;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.8125rem;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb__item {
  color: rgba(16, 24, 40, 0.6);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '/';
  margin-right: 8px;
  color: #FF6B2C;
  font-weight: 700;
}

.breadcrumb__link {
  color: inherit;
  text-decoration: none;
}

.breadcrumb__link:hover {
  color: #FF6B2C;
}

.breadcrumb__item[aria-current="page"] {
  color: #101828;
  font-weight: 600;
}

.section {
  padding: 64px 0;
}

.section--dark {
  background: #0B1B3B;
  color: #F4F6FA;
}

.section--light {
  background: #F4F6FA;
}

.section--deep {
  background: #010B18;
  color: rgba(244, 246, 250, 0.8);
}

.section__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid #D0D5DD;
}

.section--dark .section__header,
.section--deep .section__header {
  border-bottom-color: rgba(244, 246, 250, 0.18);
}

.section__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0;
}

.section__meta {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: #FF6B2C;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.grid {
  display: grid;
  gap: 32px;
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--gutter-sm { gap: 16px; }
.grid--gutter-lg { gap: 48px; }

@media (max-width: 992px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid #D0D5DD;
  background: #ffffff;
  padding: 24px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  border-color: #FF6B2C;
  box-shadow: 0 4px 16px rgba(11, 27, 59, 0.06);
}

.card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card__meta {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: rgba(16, 24, 40, 0.55);
  letter-spacing: 0.04em;
}

.card--dark {
  background: #0B1B3B;
  border-color: rgba(244, 246, 250, 0.15);
  color: #F4F6FA;
}

.card--dark .card__meta {
  color: rgba(244, 246, 250, 0.5);
}

.card--dark:hover {
  border-color: #FF6B2C;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.catalog {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid #D0D5DD;
}

.catalog__item {
  border-bottom: 1px solid #D0D5DD;
}

.catalog__link {
  display: grid;
  grid-template-columns: 3em 1fr auto;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  color: #101828;
  text-decoration: none;
  transition: padding-left 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.catalog__link:hover {
  color: #0B1B3B;
  background: rgba(255, 107, 44, 0.05);
  padding-left: 8px;
}

.catalog__index {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  color: #FF6B2C;
  font-weight: 700;
}

.catalog__title {
  font-weight: 600;
  line-height: 1.5;
}

.catalog__meta {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: rgba(16, 24, 40, 0.5);
  text-align: right;
}

.note-card {
  position: relative;
  margin: 32px 0;
  padding: 16px 24px 16px 32px;
  background: rgba(255, 107, 44, 0.05);
  border-left: 3px solid #FF6B2C;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #101828;
}

.note-card__title {
  display: block;
  margin-bottom: 4px;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FF6B2C;
}

.version-tag {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid #C9A227;
  color: #C9A227;
  background: transparent;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.data-highlight {
  display: block;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.15;
  color: #0B1B3B;
  letter-spacing: -0.02em;
}

.data-highlight--sm {
  font-size: 1.375rem;
}

.section--dark .data-highlight,
.section--deep .data-highlight {
  color: #FF6B2C;
}

.frame-box {
  position: relative;
  padding: 32px;
  border: 1px solid #D0D5DD;
  background: #ffffff;
}

.frame-box::before,
.frame-box::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  border: 0 solid #FF6B2C;
  pointer-events: none;
}

.frame-box::before {
  top: -1px;
  left: -1px;
  border-top-width: 3px;
  border-left-width: 3px;
}

.frame-box::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 3px;
  border-right-width: 3px;
}

.frame-box__meta {
  display: block;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #FF6B2C;
  margin-bottom: 8px;
}

.ruler {
  height: 6px;
  border-top: 1px solid #D0D5DD;
  border-bottom: 1px solid #D0D5DD;
  background: repeating-linear-gradient(
    90deg,
    #101828 0 1px,
    transparent 1px 24px
  );
  opacity: 0.5;
  margin: 32px 0;
}

.media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  background: #0B1B3B;
  overflow: hidden;
}

.media::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 107, 44, 0.12) 0%, transparent 50%),
    linear-gradient(315deg, rgba(201, 162, 39, 0.08) 0%, transparent 50%);
  background-size: 32px 32px;
  pointer-events: none;
}

.media--tall {
  aspect-ratio: 3 / 4;
}

.media--square {
  aspect-ratio: 1 / 1;
}

.site-header {
  position: relative;
  z-index: 100;
  background:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    #0B1B3B;
  background-size: 40px 40px;
  color: #F4F6FA;
  border-bottom: 3px solid #FF6B2C;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: #FF6B2C;
  transform: scaleX(0);
  transform-origin: 0 0;
  z-index: 200;
  pointer-events: none;
  will-change: transform;
}

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.site-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(244, 246, 250, 0.12);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: #F4F6FA;
}

.site-header__brand:hover {
  color: #F4F6FA;
}

.site-header__brand-mark {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border: 2px solid #FF6B2C;
  background: rgba(255, 107, 44, 0.06);
  color: #FF6B2C;
  font-family: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-header__brand:hover .site-header__brand-mark {
  background: #FF6B2C;
  color: #F4F6FA;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-header__brand-name {
  display: block;
  font-family: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.site-header__brand-tagline {
  display: block;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  color: rgba(244, 246, 250, 0.55);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.4;
  margin-top: 2px;
}

.site-header__meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-shrink: 0;
}

.site-header__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(244, 246, 250, 0.7);
  padding: 6px 10px;
  border: 1px solid rgba(244, 246, 250, 0.18);
  background: rgba(244, 246, 250, 0.03);
  white-space: nowrap;
}

.site-header__status-dot {
  width: 8px;
  height: 8px;
  background: #30A46C;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  flex-shrink: 0;
  animation: status-blink 2.4s ease-in-out infinite;
}

@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.site-header__edition {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: rgba(244, 246, 250, 0.45);
  white-space: nowrap;
  border: 1px solid rgba(244, 246, 250, 0.15);
  padding: 4px 8px;
}

.site-header__nav-row {
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
}

.main-nav {
  display: flex;
  flex: 1;
}

.main-nav__list {
  display: flex;
  align-items: stretch;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav__item {
  margin: 0;
}

.main-nav__link {
  display: block;
  padding: 16px 24px;
  color: rgba(244, 246, 250, 0.8);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.main-nav__link:hover,
.main-nav__link:focus-visible {
  color: #FF6B2C;
  border-bottom-color: #FF6B2C;
  background: rgba(255, 107, 44, 0.05);
}

.main-nav__link[aria-current="page"] {
  color: #F4F6FA;
  border-bottom-color: #FF6B2C;
  background: rgba(255, 107, 44, 0.08);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid rgba(244, 246, 250, 0.25);
  background: rgba(244, 246, 250, 0.04);
  color: #F4F6FA;
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
  flex-shrink: 0;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-footer {
  position: relative;
  background: #010B18;
  color: rgba(244, 246, 250, 0.7);
  font-size: 0.875rem;
  border-top: 3px solid #C9A227;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(244, 246, 250, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 246, 250, 0.028) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.site-footer__inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 32px 32px;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.site-footer__brand-line {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.site-footer__brand-mark {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: 2px solid #C9A227;
  color: #C9A227;
  font-family: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  font-size: 1.125rem;
  font-weight: 900;
  line-height: 1;
  background: rgba(201, 162, 39, 0.06);
}

.site-footer__brand-name {
  color: #F4F6FA;
  font-family: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.3;
}

.site-footer__about {
  max-width: 320px;
  font-size: 0.8125rem;
  line-height: 1.8;
  color: rgba(244, 246, 250, 0.5);
  margin: 0;
}

.site-footer__version {
  margin: 16px 0 0;
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: #C9A227;
  text-transform: uppercase;
}

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

.site-footer__heading {
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(244, 246, 250, 0.12);
  font-family: 'Noto Sans SC', 'Source Han Sans SC', sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #F4F6FA;
}

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

.site-footer__list li {
  margin: 0;
  line-height: 2.2;
}

.site-footer__list a {
  position: relative;
  display: inline-block;
  padding-left: 14px;
  color: rgba(244, 246, 250, 0.6);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color 0.2s ease;
}

.site-footer__list a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: transparent;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  transition: background-color 0.2s ease;
}

.site-footer__list a:hover {
  color: #FF6B2C;
}

.site-footer__list a:hover::before {
  background: #FF6B2C;
}

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

.site-footer__contact-list li {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-size: 0.8125rem;
  line-height: 2;
  color: rgba(244, 246, 250, 0.5);
  word-break: break-all;
}

.site-footer__contact-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 6px;
  height: 6px;
  background: #C9A227;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(244, 246, 250, 0.1);
  font-family: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  font-size: 0.6875rem;
  color: rgba(244, 246, 250, 0.35);
}

.site-footer__icp {
  margin: 0;
}

.site-footer__trust {
  margin: 0;
  flex: 1;
  min-width: 200px;
  text-align: center;
}

.site-footer__copy {
  margin: 0;
}

@media (max-width: 992px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .site-footer__brand-block {
    grid-column: 1 / -1;
  }

  .main-nav__link {
    padding: 16px;
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }

  .site-header__inner {
    padding: 0 16px;
  }

  .site-header__top {
    padding: 12px 0;
  }

  .site-header__brand-tagline {
    display: none;
  }

  .site-header__meta {
    gap: 8px;
  }

  .site-header__status {
    display: none;
  }

  .site-header__edition {
    font-size: 0.625rem;
    padding: 3px 6px;
  }

  .site-header__nav-row {
    min-height: 52px;
    align-items: center;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: calc(-1 * 16px);
    right: calc(-1 * 16px);
    display: none;
    flex-direction: column;
    background: #0B1B3B;
    border-top: 1px solid rgba(244, 246, 250, 0.12);
    border-bottom: 3px solid #FF6B2C;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    z-index: 50;
  }

  .main-nav[data-open] {
    display: flex;
  }

  .main-nav__list {
    flex-direction: column;
    padding: 8px 16px;
  }

  .main-nav__item + .main-nav__item {
    border-top: 1px solid rgba(244, 246, 250, 0.08);
  }

  .main-nav__link {
    padding: 16px 0;
    border-bottom: none;
  }

  .main-nav__link:hover,
  .main-nav__link[aria-current="page"] {
    border-bottom: none;
  }

  .site-footer__inner {
    padding: 48px 16px 24px;
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .site-footer__trust {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .site-footer__top {
    grid-template-columns: 1fr;
  }

  .site-header__brand-name {
    font-size: 1.0625rem;
  }

  .site-header__brand-mark {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}