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

:root {
  --font-display: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-data: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Consolas, monospace;
  --c-bg: #0A1428;
  --c-panel: #1A2744;
  --c-panel-2: #16213A;
  --c-border: #2E3A5C;
  --c-border-light: #3D4C77;
  --c-accent: #FF4B1E;
  --c-accent-2: #FF7043;
  --c-live: #FFC53D;
  --c-up: #00D1A7;
  --c-muted: #8B9DC4;
  --c-text: #FFFFFF;
  --c-ink: #F2F4F8;
  --c-ink-text: #1A2744;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-1: 0 18px 44px rgba(2,6,16,.58);
  --shadow-hard: 6px 6px 0 rgba(0,0,0,.5);
  --shadow-accent: 5px 5px 0 rgba(255,75,30,.28);
  --container: 1240px;
  --gutter: clamp(16px, 4vw, 44px);
  --section-pad: clamp(3.5rem, 8vw, 7rem);
}

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

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--c-bg);
  background-image:
    linear-gradient(rgba(46,58,92,.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,58,92,.22) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--c-accent);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--c-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--c-border-light);
  border-radius: 6px;
  border: 2px solid var(--c-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-accent);
}

h1, h2, h3, h4 {
  margin: 0 0 .6em;
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  font-weight: 800;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--c-accent);
}

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

button {
  font-family: var(--font-body);
}

.container {
  width: min(calc(100% - 2 * var(--gutter)), var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(calc(100% - 2 * var(--gutter)), 880px);
  margin-inline: auto;
}

.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;
}

.mono {
  font-family: var(--font-data);
}

.section {
  padding: var(--section-pad) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-accent);
  display: inline-block;
}

.split {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.tilt {
  transform: skewY(-1.2deg);
}

.tilt > * {
  transform: skewY(1.2deg);
}

.diag {
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255,75,30,.07) 0 12px,
    transparent 12px 24px
  );
}

.scale-line {
  height: 16px;
  border-inline: 2px solid var(--c-border-light);
  border-radius: 2px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--c-border-light) 0 2px,
    transparent 2px 16px
  );
  opacity: .7;
}

.reveal {
  opacity: 0;
  transform: translateY(18px) rotate(1deg);
  transition: opacity .4s ease, transform .4s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header {
  position: relative;
  z-index: 20;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--c-accent);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-260%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: none;
}

.site-topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 8px var(--gutter);
  border-bottom: 1px solid var(--c-border);
  border-left: 4px solid var(--c-accent);
  background: linear-gradient(90deg, rgba(255,75,30,.1), transparent 60%), #0D1B33;
  color: var(--c-muted);
  font-size: 13px;
}

.site-topbar__text {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: #DBE5F5;
  font-weight: 600;
}

.site-topbar__trust {
  margin: 0;
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
}

.pulse-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--c-live);
  box-shadow: 0 0 0 0 rgba(255,197,61,.7);
  animation: pulse-dot 1.8s infinite;
}

.pulse-dot--green {
  background: var(--c-up);
  box-shadow: 0 0 0 0 rgba(0,209,167,.7);
}

@keyframes pulse-dot {
  0% {
    box-shadow: 0 0 0 0 rgba(255,197,61,.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255,197,61,0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255,197,61,0);
  }
}

.nav-capsule {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 1000;
  display: flex;
  align-items: center;
  max-width: calc(100vw - 24px);
  border: 2px solid var(--c-border-light);
  border-radius: 999px;
  background: rgba(26,39,68,.94);
  box-shadow: var(--shadow-1), 5px 7px 0 rgba(0,0,0,.22);
  overflow: hidden;
}

.nav-capsule__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 6px 8px 16px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--c-border-light);
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.nav-toggle:hover {
  border-color: var(--c-accent);
  background: rgba(255,75,30,.08);
}

.nav-toggle__box {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 14px;
}

.nav-toggle__box::before,
.nav-toggle__box::after,
.nav-toggle__box span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .22s ease, opacity .22s ease, top .22s ease;
}

.nav-toggle__box::before {
  top: 0;
}

.nav-toggle__box span {
  top: 6px;
}

.nav-toggle__box::after {
  top: 12px;
}

.nav-capsule[data-open] .nav-toggle__box::before {
  top: 6px;
  transform: rotate(45deg);
}

.nav-capsule[data-open] .nav-toggle__box::after {
  top: 6px;
  transform: rotate(-45deg);
}

.nav-capsule[data-open] .nav-toggle__box span {
  opacity: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
  text-decoration: none;
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  clip-path: polygon(0 0, 100% 0, 100% 72%, 50% 100%, 0 72%);
  color: #fff;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 2px 0 rgba(0,0,0,.25);
}

.brand__cn {
  display: flex;
  flex-direction: column;
  font-weight: 900;
  font-size: 16px;
  line-height: 1.5;
}

.brand__en {
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 9px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 2px;
  padding: 8px 10px;
  border-left: 1px solid var(--c-border);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  color: #CFD9EE;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color .15s ease, background .15s ease;
}

.nav-link__idx {
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 11px;
  opacity: .85;
}

.nav-link:hover {
  background: rgba(255,75,30,.14);
  color: #fff;
}

.nav-link[aria-current="page"] {
  background: rgba(255,75,30,.1);
  color: var(--c-accent);
}

.nav-link[aria-current="page"] .nav-link__idx {
  color: var(--c-accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--c-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 2px 3px 0 rgba(0,0,0,.28);
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}

.nav-cta:hover {
  background: var(--c-accent-2);
  box-shadow: 3px 4px 0 rgba(0,0,0,.28);
  transform: translate(-1px, -1px);
}

.nav-cta__arrow {
  font-family: var(--font-data);
  font-size: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 2px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}

.btn--primary {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 3px 3px 0 rgba(0,0,0,.4);
}

.btn--primary:hover {
  background: var(--c-accent-2);
  box-shadow: 4px 4px 0 rgba(0,0,0,.4);
  transform: translate(-1px, -1px);
}

.btn--ghost {
  border-color: var(--c-border-light);
  color: var(--c-text);
}

.btn--ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.btn--lg {
  padding: 14px 26px;
  font-size: 16px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--c-accent);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  padding-right: 8px;
  color: var(--c-border-light);
}

.page-hero {
  position: relative;
  padding: clamp(48px, 8vw, 96px) 0 clamp(32px, 5vw, 64px);
}

.page-hero__title {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 13px;
}

.card {
  padding: clamp(20px, 3vw, 32px);
  border: 2px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
}

.card--data {
  background:
    linear-gradient(135deg, rgba(255,75,30,.08) 0 25%, transparent 25%),
    var(--c-panel);
}

.card--accent {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-accent);
}

.data-frame {
  position: relative;
  padding: clamp(20px, 4vw, 40px);
  border: 2px solid var(--c-border-light);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(46,58,92,.28) 1px, transparent 1px) 0 0 / 100% 28px,
    linear-gradient(90deg, rgba(46,58,92,.2) 1px, transparent 1px) 0 0 / 28px 100%,
    var(--c-panel);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.data-frame::before,
.data-frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 3px solid var(--c-accent);
}

.data-frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.data-frame::after {
  right: -2px;
  bottom: -2px;
  border-left: 0;
  border-top: 0;
}

.data-frame__label {
  margin-bottom: 10px;
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.data-frame__value {
  color: #fff;
  font-family: var(--font-data);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1;
}

.data-frame__meta {
  margin-top: 12px;
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 13px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
}

.stat__num {
  color: #fff;
  font-family: var(--font-data);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
}

.stat__label {
  color: var(--c-muted);
  font-size: 13px;
}

.stat__delta {
  color: var(--c-up);
  font-family: var(--font-data);
  font-size: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--c-border-light);
  border-radius: 999px;
  background: var(--c-panel);
  color: var(--c-muted);
  font-size: 12px;
  font-weight: 600;
}

.badge--live {
  border-color: var(--c-live);
  background: var(--c-live);
  color: #0B1730;
  font-weight: 700;
}

.badge--new {
  border-color: var(--c-accent);
  background: var(--c-accent);
  color: #fff;
}

.badge--sync {
  border-color: var(--c-up);
  background: var(--c-up);
  color: #0B1730;
  font-weight: 700;
}

.table-data {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-data);
  font-size: 13px;
}

.table-data th {
  padding: 10px 12px;
  border-bottom: 2px solid var(--c-border-light);
  color: var(--c-accent);
  font-weight: 700;
  letter-spacing: .08em;
  text-align: left;
}

.table-data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--c-border);
  color: #D8E1F0;
}

.table-data tr:hover td {
  background: rgba(255,75,30,.06);
}

.image-wrap {
  position: relative;
  border: 2px solid var(--c-border-light);
  border-radius: var(--radius);
  background: var(--c-panel-2);
  overflow: hidden;
}

.image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, transparent 55%, rgba(255,75,30,.16));
  pointer-events: none;
}

.image-wrap--16x9 {
  aspect-ratio: 16 / 9;
}

.image-wrap--4x3 {
  aspect-ratio: 4 / 3;
}

.image-wrap--portrait {
  aspect-ratio: 3 / 4;
}

.legal-block {
  padding: clamp(24px, 5vw, 56px);
  border-radius: var(--radius);
  background: var(--c-ink);
  color: var(--c-ink-text);
  box-shadow: var(--shadow-hard);
}

.legal-block h1,
.legal-block h2,
.legal-block h3 {
  color: #11203D;
}

.legal-block a {
  color: var(--c-accent);
}

.text-block {
  max-width: 46em;
}

.text-block p,
.text-block li {
  color: #C9D6EE;
}

.text-block strong {
  color: #fff;
}

.text-block h2 {
  margin-top: 2em;
}

.text-block a {
  color: var(--c-accent);
}

.flash {
  animation: score-flash .6s ease;
}

@keyframes score-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(255,75,30,.8);
  }
  100% {
    box-shadow: 0 0 0 18px rgba(255,75,30,0);
  }
}

.toc-rail {
  position: fixed;
  top: 50%;
  right: 18px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 10px;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  background: rgba(15,27,51,.72);
  transform: translateY(-50%);
}

.toc-rail__link {
  display: block;
  width: 8px;
  height: 8px;
  border: 1px solid var(--c-muted);
  border-radius: 50%;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.toc-rail__link:hover,
.toc-rail__link.is-active {
  border-color: var(--c-accent);
  background: var(--c-accent);
  box-shadow: 0 0 8px rgba(255,75,30,.7);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1600;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
  box-shadow: 0 0 12px rgba(255,75,30,.6);
}

.site-backtop {
  position: fixed;
  right: 22px;
  bottom: 28px;
  z-index: 950;
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}

.site-backtop[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.site-backtop__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.site-backtop__track {
  fill: none;
  stroke: rgba(255,255,255,.14);
  stroke-width: 3;
}

.site-backtop__bar {
  fill: none;
  stroke: var(--c-accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 125.66;
  stroke-dashoffset: 125.66;
  transition: stroke-dashoffset .1s linear;
}

.site-backtop:hover .site-backtop__bar {
  stroke: var(--c-accent-2);
}

.site-backtop__arrow {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.site-footer {
  position: relative;
  margin-top: clamp(4rem, 8vw, 8rem);
  padding: clamp(2.5rem, 6vw, 5rem) 0 4.5rem;
  border-top: 2px solid var(--c-border);
  background: linear-gradient(180deg, #0B1730, var(--c-bg) 40%);
}

.site-footer::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 220px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent) 0 70%, transparent 100%);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(24px, 4vw, 56px);
}

.footer-brand__mono {
  margin: 0 0 12px;
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
}

.footer-brand__name {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
}

.footer-brand__tag {
  margin: 0 0 18px;
  color: var(--c-muted);
  font-size: 14px;
}

.footer-brand__note {
  max-width: 40em;
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 3px solid var(--c-border-light);
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.8;
}

.footer-brand__trust {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
}

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
}

.footer-col__index {
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 12px;
}

.footer-link {
  display: block;
  padding: 5px 0;
  color: #9FB2D6;
  font-size: 14px;
  text-decoration: none;
  transition: color .15s ease, transform .15s ease;
}

.footer-link::before {
  content: "→";
  display: inline-block;
  margin-right: 8px;
  color: var(--c-accent);
  font-family: var(--font-data);
  transition: transform .15s ease;
}

.footer-link:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-contact {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 8px;
  margin: 0 0 10px;
  color: #B6C4DE;
  font-size: 14px;
}

.footer-contact__label {
  padding-top: 3px;
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .12em;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: 22px;
  border-top: 1px solid var(--c-border);
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 13px;
}

.footer-bottom__copy {
  margin: 0;
  color: var(--c-muted);
}

.footer-bottom__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--c-up);
}

@media (max-width: 1100px) {
  .nav-capsule {
    left: 12px;
    right: 12px;
    bottom: 12px;
    display: block;
    border-radius: 22px;
  }

  .nav-capsule__bar {
    justify-content: space-between;
    padding: 12px 16px;
  }

  .nav-toggle {
    display: grid;
  }

  .primary-nav {
    display: block;
    max-height: 0;
    margin: 0;
    padding: 0;
    border-left: 0;
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    transition: max-height .25s ease, opacity .25s ease, transform .25s ease, visibility .25s ease;
  }

  .nav-capsule[data-open] .primary-nav {
    max-height: 62vh;
    margin-top: 4px;
    padding: 4px 12px 14px;
    border-top: 1px solid var(--c-border);
    overflow-y: auto;
    opacity: 1;
    transform: none;
    visibility: visible;
  }

  .nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(46,58,92,.6);
    border-radius: 0;
    font-size: 16px;
  }

  .nav-cta {
    justify-content: center;
    width: 100%;
    margin: 12px 0 0;
    border-radius: 12px;
  }
}

@media (max-width: 1023px) {
  .split {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .toc-rail {
    display: none;
  }
}

@media (max-width: 767px) {
  .site-topbar {
    justify-content: center;
    text-align: center;
  }

  .site-topbar__trust {
    display: none;
  }

  .site-backtop {
    right: 14px;
    bottom: 84px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 639px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .footer-contact {
    grid-template-columns: 56px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}