:root {
  --atlas-paper: #eef0e8;
  --atlas-paper-deep: #dfe4d8;
  --atlas-ink: #182238;
  --atlas-night: #24375a;
  --atlas-dusk: #536a8d;
  --atlas-moss: #b8db86;
  --atlas-clay: #e88665;
  --atlas-line: rgba(24, 34, 56, 0.2);
  --atlas-rail: 156px;
}

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

html,
body {
  padding: 0;
}

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

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

button {
  cursor: pointer;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: var(--atlas-ink);
  text-decoration: none;
  transform: translateY(-160%);
}

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

html {
  scroll-behavior: smooth;
  background: var(--atlas-paper);
}

body {
  margin: 0;
  color: var(--atlas-ink);
  background:
    radial-gradient(
      circle at 78% 16%,
      rgba(184, 219, 134, 0.19),
      transparent 24%
    ),
    linear-gradient(90deg, rgba(24, 34, 56, 0.035) 1px, transparent 1px),
    var(--atlas-paper);
  background-size:
    auto,
    52px 52px,
    auto;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(
    rgba(24, 34, 56, 0.12) 0.7px,
    transparent 0.7px
  );
  background-size: 18px 18px;
  opacity: 0.23;
}

body > main,
body > footer {
  margin-left: var(--atlas-rail);
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 100;
  width: var(--atlas-rail);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 22px 14px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  color: #f6f7f1;
  background: var(--atlas-ink);
  box-shadow: none;
}

.site-header .brand {
  min-height: 104px;
  display: grid;
  grid-template-columns: 1fr;
  place-items: start;
  align-content: space-between;
  gap: 12px;
  padding: 0 6px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  text-decoration: none;
}

.site-header .brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
  font-size: 15px;
  font-weight: 800;
}

.site-header .brand-copy {
  display: grid;
  gap: 3px;
}

.site-header .brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.04em;
}

.site-header .brand-copy small {
  color: rgba(255, 255, 255, 0.52);
  font-size: 8px;
  letter-spacing: 0.13em;
}

.main-nav {
  position: static;
  width: auto;
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding-top: 22px;
  color: inherit;
  background: transparent;
  box-shadow: none;
  visibility: visible;
  opacity: 1;
  transform: none;
}

.main-nav > a,
.nav-group > a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 13px;
}

.main-nav > a::before,
.nav-group > a::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-current {
  color: #fff;
}

.main-nav a.is-current::before {
  border-color: var(--atlas-moss);
  background: var(--atlas-moss);
  box-shadow: 0 0 0 4px rgba(184, 219, 134, 0.14);
}

.nav-group {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 44px;
  border: 0;
}

.nav-group > a {
  grid-column: 1 / -1;
  grid-row: 1;
  padding-right: 44px;
}

.submenu-toggle {
  position: relative;
  z-index: 2;
  grid-column: 2;
  grid-row: 1;
  width: 44px;
  min-width: 44px;
  height: 48px;
  margin: 0;
  border: 0;
  color: rgba(255, 255, 255, 0.62);
  background: transparent;
  cursor: pointer;
}

.submenu-toggle[aria-expanded="true"] span {
  display: inline-block;
  transform: rotate(180deg);
}

.submenu {
  position: absolute;
  top: 0;
  left: calc(100% + 14px);
  width: 220px;
  display: grid;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0 16px 16px 16px;
  color: #fff;
  background: var(--atlas-night);
  box-shadow: 20px 24px 70px rgba(10, 18, 34, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  transition: 180ms ease;
}

.nav-group:hover .submenu,
.nav-group:focus-within .submenu,
.submenu.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.submenu a {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

/* 显式关闭不能再被 hover/focus-within 重新展开。 */
.nav-group[data-submenu-state="closed"] .submenu { display: none !important; }

.submenu a:last-child {
  border-bottom: 0;
}

.submenu small {
  color: var(--atlas-moss);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.header-search {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 12px;
}

.header-search span {
  color: var(--atlas-moss);
  font-size: 20px;
}

.menu-toggle {
  display: none;
}

.home-hero {
  position: relative;
  min-height: 740px;
  display: block;
  overflow: hidden;
  padding: 0;
  color: #fff;
  background: var(--atlas-night);
}

.route-board {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #263651;
}

.atlas-landscape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.82) contrast(1.02) brightness(0.9);
  transform: scale(1.01);
}

.route-board::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(24, 34, 56, 0.92) 0%,
      rgba(24, 34, 56, 0.68) 42%,
      rgba(24, 34, 56, 0.08) 76%
    ),
    linear-gradient(0deg, rgba(24, 34, 56, 0.8), transparent 55%);
}

.route-board-head {
  position: absolute;
  z-index: 3;
  top: 34px;
  right: 38px;
  left: 38px;
  display: flex;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.8);
  font-size: 10px;
  letter-spacing: 0.13em;
}

.hero-intro {
  position: relative;
  z-index: 4;
  width: min(650px, 74vw);
  display: block;
  padding: 205px 0 58px clamp(44px, 7vw, 96px);
}

.hero-intro .eyebrow {
  display: flex;
  gap: 28px;
  margin: 0 0 24px;
  color: var(--atlas-moss);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.hero-intro h1 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(36px, 4.2vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 570px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 19px;
  border: 1px solid currentColor;
  border-radius: 0 14px 14px 14px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 750;
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--atlas-moss);
  color: var(--atlas-ink);
  background: var(--atlas-moss);
}

.button-quiet {
  color: inherit;
  background: rgba(255, 255, 255, 0.06);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 44px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-facts > div {
  padding: 16px 18px 0 0;
}

.hero-facts dt {
  color: var(--atlas-moss);
  font-size: 11px;
  font-weight: 800;
}

.hero-facts dd {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}

.route-orbit {
  position: absolute;
  z-index: 3;
  right: clamp(90px, 14vw, 210px);
  bottom: 180px;
  width: 250px;
  height: 250px;
}

.orbit-ring {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 48% 52% 60% 40%;
  animation: atlas-turn 18s linear infinite;
}

.orbit-ring-one {
  inset: 0;
}

.orbit-ring-two {
  inset: 40px;
  animation-direction: reverse;
  animation-duration: 12s;
}

.orbit-core {
  position: absolute;
  inset: 78px;
  display: grid;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
}

.orbit-core b {
  font-size: 38px;
  line-height: 1;
}

.orbit-core small {
  margin-top: 4px;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.orbit-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--atlas-clay);
  box-shadow: 0 0 0 7px rgba(232, 134, 101, 0.18);
}

.orbit-dot-one {
  top: 20px;
  left: 72px;
}

.orbit-dot-two {
  right: 22px;
  bottom: 62px;
}

.route-steps {
  position: absolute;
  z-index: 4;
  right: 34px;
  bottom: 34px;
  width: min(520px, 42vw);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  list-style: none;
}

.route-steps li {
  min-height: 88px;
  display: grid;
  align-content: end;
  gap: 8px;
  padding: 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.route-steps li:last-child {
  border-right: 0;
}

.route-steps span {
  color: var(--atlas-moss);
  font-size: 10px;
}

.route-steps strong {
  font-size: 12px;
  font-weight: 650;
}

.route-section,
.home-products,
.home-principles,
.home-contact {
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
}

.section-heading {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 38px;
  align-items: start;
  margin-bottom: 54px;
}

.section-heading-wide {
  align-items: start;
}

.section-heading > p,
.section-kicker {
  margin: 0;
  color: var(--atlas-dusk);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-heading h2,
.principles-intro h2,
.home-about h2,
.home-download h2,
.home-contact h2 {
  margin: 0;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.route-card-grid {
  display: block;
  border-top: 1px solid var(--atlas-line);
}

.route-card {
  display: grid;
  grid-template-columns: 110px minmax(180px, 0.8fr) 1.5fr 160px;
  gap: 24px;
  align-items: center;
  min-height: 130px;
  padding: 22px 0;
  border: 0;
  border-bottom: 1px solid var(--atlas-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.route-card > span {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--atlas-line);
  border-radius: 50%;
  color: var(--atlas-dusk);
  font-size: 11px;
}

.route-card h3,
.route-card p {
  margin: 0;
}

.route-card h3 {
  font-size: 22px;
}

.route-card p {
  color: rgba(24, 34, 56, 0.7);
  line-height: 1.75;
}

.route-card > a,
.text-link {
  justify-self: start;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
}

.home-about {
  position: relative;
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  align-items: stretch;
  overflow: hidden;
  padding: 0;
  color: #fff;
  background: var(--atlas-night);
}

.home-about-image {
  grid-column: 1;
  grid-row: 1;
  min-height: 650px;
  margin: 0;
  overflow: hidden;
}

.home-about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) contrast(0.95) brightness(0.72);
}

.home-about-image figcaption {
  position: absolute;
  left: 34px;
  bottom: 30px;
  max-width: 390px;
  padding: 12px 15px;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
  font-size: 12px;
}

.home-about-copy {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  align-content: center;
  padding: clamp(48px, 7vw, 100px);
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.home-about-copy p:not(.section-kicker) {
  margin: 26px 0;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.9;
}

.home-products {
  background: var(--atlas-paper-deep);
}

.home-products .product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--atlas-line);
}

.product-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  border: 0;
  border-radius: 0;
  background: var(--atlas-paper);
  box-shadow: none;
}

.product-card-visual {
  position: relative;
  aspect-ratio: 1.25;
  overflow: hidden;
}

.product-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.05);
  transition: transform 500ms ease;
}

.product-card-mint .product-card-visual img,
.product-detail-head-mint .product-detail-art img {
  object-position: 50% 48%;
}

.product-card-amber .product-card-visual img,
.product-detail-head-amber .product-detail-art img {
  object-position: 68% 44%;
  filter: saturate(0.66) contrast(1.04) hue-rotate(-7deg);
}

.product-card-blue .product-card-visual img,
.product-detail-head-blue .product-detail-art img {
  object-position: 34% 58%;
  filter: saturate(0.62) contrast(1.06) hue-rotate(7deg);
}

.product-card:hover .product-card-visual img {
  transform: scale(1.035);
}

.product-card-visual span {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 8px;
  color: #fff;
  background: var(--atlas-ink);
  font-size: 10px;
}

.product-card-visual b,
.product-card-visual i {
  display: none;
}

.product-card-body {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 26px;
}

.product-card-body > p:first-child {
  margin: 0;
  color: var(--atlas-dusk);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.product-card-body h3,
.product-card-body > p,
.product-card-body small {
  margin: 0;
}

.product-card-body h3 {
  font-size: 24px;
}

.product-card-body h3 a {
  text-decoration: none;
}

.product-card-body > p:not(:first-child),
.product-card-body small {
  color: rgba(24, 34, 56, 0.66);
  line-height: 1.7;
}

.home-principles {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) 1.3fr;
  gap: clamp(40px, 8vw, 120px);
}

.principle-list {
  border-top: 1px solid var(--atlas-line);
}

.principle-list article {
  display: grid;
  grid-template-columns: 70px 180px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.principle-list article span {
  color: var(--atlas-clay);
  font-size: 11px;
  font-weight: 800;
}

.principle-list h3,
.principle-list p {
  margin: 0;
}

.principle-list p {
  color: rgba(24, 34, 56, 0.66);
  line-height: 1.7;
}

.home-download {
  min-height: 460px;
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  align-items: center;
  gap: 70px;
  padding: clamp(68px, 8vw, 120px);
  color: #fff;
  background: var(--atlas-clay);
}

.download-route-art {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 16px;
}

.download-route-art i {
  height: 1px;
  background: rgba(255, 255, 255, 0.65);
}

.download-route-art span,
.download-route-art b {
  font-size: 11px;
  letter-spacing: 0.12em;
}

.home-download-copy > p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
}

.home-download .button-primary {
  border-color: var(--atlas-ink);
  background: var(--atlas-ink);
  color: #fff;
}

.home-contact {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  background: var(--atlas-paper);
}

.home-contact-links {
  border-top: 1px solid var(--atlas-line);
}

.home-contact-links a {
  display: grid;
  grid-template-columns: 120px 1fr 30px;
  gap: 18px;
  align-items: center;
  min-height: 84px;
  border-bottom: 1px solid var(--atlas-line);
  text-decoration: none;
}

.home-contact-links span {
  color: var(--atlas-dusk);
  font-size: 11px;
}

.home-contact-links strong {
  font-size: 15px;
}

.site-footer {
  display: block;
  padding: 70px clamp(28px, 7vw, 100px) 28px;
  color: #fff;
  background: var(--atlas-ink);
}

.footer-route {
  width: min(100%, 1440px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
  color: rgba(255, 255, 255, 0.48);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.footer-route i {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
}

.footer-grid {
  width: min(100%, 1440px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 0.7fr);
  gap: 42px;
  padding: 54px 0;
}

.footer-brand .brand {
  display: inline-flex;
  gap: 12px;
  text-decoration: none;
}

.footer-brand .brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
}

.footer-brand .brand-copy {
  display: grid;
}

.footer-brand p {
  max-width: 390px;
  color: rgba(255, 255, 255, 0.56);
  line-height: 1.8;
}

.footer-grid nav {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-grid nav h2 {
  margin: 0 0 8px;
  color: var(--atlas-moss);
  font-size: 11px;
}

.footer-grid nav a {
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  font-size: 12px;
  transition: color 160ms ease;
}

.footer-grid nav a:hover,
.footer-grid nav a:focus-visible {
  color: #fff;
}

.footer-bottom {
  width: min(100%, 1440px);
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.17);
  color: rgba(255, 255, 255, 0.38);
  font-size: 10px;
}

.back-to-top {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 24px;
  width: 48px;
  min-width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  color: #fff;
  background: var(--atlas-ink);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 180ms ease,
    visibility 180ms ease,
    transform 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

@keyframes atlas-turn {
  to {
    transform: rotate(360deg);
  }
}

/* Inner pages: night-atlas chapters */
.page-intro {
  position: relative;
  min-height: 400px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 60px;
  align-items: end;
  overflow: hidden;
  padding: 56px clamp(28px, 7vw, 100px) 52px;
  border-bottom: 1px solid var(--atlas-line);
  background:
    radial-gradient(
      circle at 82% 44%,
      transparent 0 58px,
      rgba(24, 34, 56, 0.16) 59px 60px,
      transparent 61px 95px,
      rgba(24, 34, 56, 0.1) 96px 97px,
      transparent 98px
    ),
    linear-gradient(135deg, rgba(184, 219, 134, 0.22), transparent 42%),
    var(--atlas-paper);
}

.page-intro::after {
  content: "";
  position: absolute;
  inset: auto -12% -45% 38%;
  height: 440px;
  border: 1px solid rgba(24, 34, 56, 0.12);
  border-radius: 46% 54% 63% 37%;
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-intro-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.breadcrumbs {
  margin-bottom: 32px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(24, 34, 56, 0.55);
  font-size: 11px;
}

.breadcrumbs a {
  text-decoration: none;
}

.page-intro h1 {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.page-intro-copy > p:last-child {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(24, 34, 56, 0.7);
  font-size: 16px;
  line-height: 1.9;
}

.page-marker {
  position: relative;
  z-index: 2;
  width: 180px;
  height: 180px;
  display: grid;
  place-items: center;
  align-content: center;
  justify-self: end;
  border: 1px solid var(--atlas-line);
  border-radius: 50%;
  color: var(--atlas-ink);
  background: rgba(238, 240, 232, 0.72);
}

.page-marker::before,
.page-marker::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(24, 34, 56, 0.15);
  border-radius: 48% 52% 58% 42%;
}

.page-marker::before {
  inset: 22px;
  transform: rotate(18deg);
}

.page-marker::after {
  inset: 44px;
  transform: rotate(-22deg);
}

.page-marker span {
  position: relative;
  z-index: 2;
  font-size: 44px;
  font-weight: 800;
}

.page-marker i {
  width: 46px;
  height: 1px;
  margin: 8px 0;
  background: var(--atlas-clay);
}

.page-marker small {
  font-size: 8px;
  letter-spacing: 0.13em;
}

.category-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding: 0 clamp(28px, 7vw, 100px);
  border-bottom: 1px solid var(--atlas-line);
  background: rgba(238, 240, 232, 0.94);
  backdrop-filter: blur(16px);
}

.category-nav a {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  padding: 0 22px;
  border: 0;
  border-right: 1px solid var(--atlas-line);
  border-radius: 0;
  text-decoration: none;
  font-size: 12px;
}

.category-nav a:first-child {
  border-left: 1px solid var(--atlas-line);
}

.category-nav a.is-current,
.category-nav a:hover,
.category-nav a:focus-visible {
  color: #fff;
  background: var(--atlas-night);
}

.product-archive,
.category-layout,
.news-archive,
.about-manifesto,
.about-principles,
.about-direction,
.about-collaboration,
.contact-board,
.contact-process,
.contact-map,
.download-console,
.download-steps,
.release-notes,
.download-help,
.faq-layout,
.faq-next,
.policy-layout,
.policy-next,
.terms-ledger,
.terms-confirm,
.related-products {
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
}

.product-archive {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 54px;
}

.product-archive > aside {
  position: sticky;
  top: 90px;
  align-self: start;
  padding-top: 14px;
  border-top: 2px solid var(--atlas-ink);
}

.product-archive > aside span {
  font-size: 48px;
  font-weight: 800;
}

.product-archive > aside p {
  color: rgba(24, 34, 56, 0.62);
  font-size: 12px;
  line-height: 1.7;
}

.product-archive header,
.category-layout > header,
.news-archive > header {
  margin-bottom: 44px;
}

.product-archive header h2,
.category-layout > header h2,
.news-archive > header h2,
.contact-board h2,
.contact-process h2,
.download-steps h2,
.release-notes h2,
.faq-layout h2,
.policy-layout h2,
.terms-ledger h2 {
  margin: 12px 0 0;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.product-archive .product-grid,
.category-layout .product-grid,
.related-products .product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--atlas-line);
}

.category-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) 1.28fr;
  gap: 70px;
}

.category-layout > header > span,
.news-archive > header > span {
  display: block;
  margin-bottom: 24px;
  color: var(--atlas-clay);
  font-size: 56px;
  font-weight: 800;
}

.category-layout > header > p:last-child,
.news-archive > header > p:last-child {
  color: rgba(24, 34, 56, 0.66);
  line-height: 1.8;
}

.product-detail {
  background: var(--atlas-paper);
}

.product-detail-head {
  min-height: 580px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
  align-items: stretch;
  padding: 0;
  border-bottom: 1px solid var(--atlas-line);
  color: var(--atlas-ink);
  background: var(--atlas-paper-deep);
}

.product-detail-head > div:first-child {
  display: grid;
  align-content: end;
  padding: 78px clamp(30px, 6vw, 90px);
}

.product-detail-head h1 {
  margin: 18px 0 0;
  font-size: clamp(38px, 4.5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.product-detail-head > div:first-child > p:not(.section-kicker) {
  max-width: 680px;
  margin: 22px 0;
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.8;
}

.product-detail-head dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 22px 0 0;
  background: var(--atlas-line);
}

.product-detail-head dl > div {
  padding: 18px;
  background: var(--atlas-paper);
}

.product-detail-head dt {
  color: var(--atlas-dusk);
  font-size: 10px;
  font-weight: 800;
}

.product-detail-head dd {
  margin: 8px 0 0;
  line-height: 1.7;
}

.product-detail-art {
  position: relative;
  overflow: hidden;
  min-height: 580px;
  border-left: 1px solid var(--atlas-line);
}

.product-detail-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.52) contrast(1.03);
}

.product-detail-head-amber .product-detail-art img {
  object-position: 68% 44%;
  filter: saturate(0.66) contrast(1.04) hue-rotate(-7deg);
}

.product-detail-head-blue .product-detail-art img {
  object-position: 34% 58%;
  filter: saturate(0.62) contrast(1.06) hue-rotate(7deg);
}

.product-detail-art span {
  position: absolute;
  inset: auto 28px 28px auto;
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
  font-size: 40px;
  font-weight: 800;
}

.product-detail-art i,
.product-detail-art b {
  display: none;
}

.product-interface {
  display: grid;
  grid-template-columns: minmax(240px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(36px, 6vw, 82px);
  align-items: center;
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
  border-bottom: 1px solid var(--atlas-line);
  background: var(--atlas-paper);
}

.product-interface-copy h2 {
  max-width: 440px;
  margin: 14px 0 18px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.product-interface-copy > p:last-child {
  max-width: 540px;
  margin: 0;
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.85;
}

.product-interface-screen {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 22px;
  color: #fff;
  background: var(--atlas-night);
  box-shadow: 22px 22px 0 rgba(24, 34, 56, 0.08);
}

.product-interface-screen > header,
.product-interface-screen > footer {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
  font-weight: 780;
  letter-spacing: 0.08em;
}

.product-interface-screen > header i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--atlas-moss);
  box-shadow: 0 0 0 6px rgba(179, 216, 117, 0.12);
}

.product-interface-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-height: 240px;
}

.product-interface-track article {
  display: grid;
  align-content: space-between;
  gap: 18px;
  padding: 30px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.product-interface-track article:last-child {
  border-right: 0;
}

.product-interface-track article:first-child {
  background: rgba(179, 216, 117, 0.1);
}

.product-interface-track span,
.product-interface-track small {
  color: rgba(255, 255, 255, 0.54);
  font-size: 10px;
  font-weight: 750;
}

.product-interface-track strong {
  max-width: 150px;
  font-size: 20px;
  line-height: 1.35;
}

.product-interface-screen > footer {
  min-height: 62px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 0;
  letter-spacing: 0;
}

.product-interface-screen > footer b {
  color: var(--atlas-moss);
}

.product-detail-body {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 70px;
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
}

.product-detail-body > aside {
  position: sticky;
  top: 30px;
  align-self: start;
  display: grid;
  border-top: 2px solid var(--atlas-ink);
}

.product-detail-body > aside > span,
.product-detail-body > aside a {
  padding: 14px 0;
  border-bottom: 1px solid var(--atlas-line);
  text-decoration: none;
  font-size: 11px;
}

.product-detail-body > aside > span {
  color: var(--atlas-dusk);
  font-weight: 800;
}

.product-sections {
  border-top: 1px solid var(--atlas-line);
}

.product-sections > section {
  display: grid;
  grid-template-columns: 60px minmax(180px, 0.7fr) 1.3fr;
  gap: 28px;
  padding: 38px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.product-sections > section > span {
  color: var(--atlas-clay);
  font-size: 11px;
  font-weight: 800;
}

.product-sections h2,
.product-sections p {
  margin: 0;
}

.product-sections h2 {
  font-size: 24px;
}

.product-sections p {
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.9;
}

.product-sections .product-value {
  grid-template-columns: 1fr;
  margin-top: 20px;
  padding: 44px;
  color: #fff;
  background: var(--atlas-night);
}

.product-value .section-kicker {
  color: var(--atlas-moss);
}

.product-value p {
  color: rgba(255, 255, 255, 0.72);
}

.news-archive {
  display: grid;
  grid-template-columns: 0.68fr 1.32fr;
  gap: 70px;
}

.news-category-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-column: 2;
  gap: 0;
  border-top: 1px solid var(--atlas-line);
}

.category-news {
  align-items: start;
}

.news-category-grid article {
  display: grid;
  grid-template-columns: 56px 170px 1fr 90px;
  gap: 18px;
  align-items: center;
  min-height: 126px;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid var(--atlas-line);
  background: transparent;
}

.news-category-grid h3,
.news-category-grid p {
  margin: 0;
}

.news-category-grid h3 a {
  text-decoration: none;
}

.news-category-grid p {
  color: rgba(24, 34, 56, 0.64);
  line-height: 1.75;
}

.news-empty {
  grid-column: 2;
  margin-top: 44px;
  padding: 54px;
  border: 0;
  border-radius: 0;
  color: #fff;
  background:
    radial-gradient(
      circle at 86% 20%,
      rgba(184, 219, 134, 0.22),
      transparent 24%
    ),
    var(--atlas-night);
  text-align: left;
}

.news-empty > span {
  color: var(--atlas-moss);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.news-empty h2 {
  margin: 18px 0;
  font-size: 36px;
}

.news-empty p {
  color: rgba(255, 255, 255, 0.68);
}

.news-article-list {
  grid-column: 2;
  border-top: 1px solid var(--atlas-line);
}

.news-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.news-card-image {
  display: block;
  min-height: 150px;
  overflow: hidden;
  background: var(--atlas-night);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.58) contrast(1.05);
  transition:
    transform 360ms ease,
    filter 360ms ease;
}

.news-card:hover .news-card-image img,
.news-card:focus-within .news-card-image img {
  transform: scale(1.035);
  filter: saturate(0.78) contrast(1.04);
}

.news-card > div {
  align-self: center;
}

.news-card > div > span {
  color: var(--atlas-clay);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.news-card h3 {
  margin: 10px 0;
  font-size: 22px;
  line-height: 1.35;
}

.news-card h3 a,
.home-journal-list h3 a {
  display: block;
  text-decoration: none;
}

.news-card p {
  margin: 0 0 14px;
  color: rgba(24, 34, 56, 0.65);
  line-height: 1.75;
}

.home-journal {
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
  color: #fff;
  background: var(--atlas-night);
}

.home-journal .section-heading p,
.home-journal .text-link,
.home-journal-list article > span {
  color: var(--atlas-moss);
}

.home-journal .section-heading,
.home-journal .section-heading-wide > div {
  border-color: rgba(255, 255, 255, 0.2);
}

.home-journal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.home-journal-list article {
  position: relative;
  min-height: 280px;
  padding: 30px 56px 28px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.home-journal-list article + article {
  padding-left: 28px;
}

.home-journal-list article:last-child {
  border-right: 0;
}

.home-journal-list article > span {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.home-journal-list h3 {
  margin: 22px 0 14px;
  font-size: 22px;
  line-height: 1.45;
}

.home-journal-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.75;
}

.home-journal-list article > a:last-child {
  position: absolute;
  right: 20px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: #fff;
  text-decoration: none;
}

.journal-detail-head {
  height: 430px;
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  border-bottom: 1px solid var(--atlas-line);
  background: var(--atlas-paper-deep);
}

.journal-detail-head > div {
  min-width: 0;
  display: grid;
  align-content: end;
  padding: 48px clamp(28px, 6vw, 86px) 54px;
}

.journal-detail-head .breadcrumbs {
  margin-bottom: 28px;
}

.article-published time {
  color: inherit;
  font: inherit;
}

.journal-detail-head h1 {
  max-width: 760px;
  margin: 16px 0 0;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.journal-detail-head h1 + p {
  max-width: 700px;
  margin: 20px 0 0;
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.8;
}

.journal-detail-head .article-byline {
  margin: 14px 0 0;
  color: rgba(24, 34, 56, 0.58);
  font-size: 12px;
  line-height: 1.6;
}

.journal-detail-head .article-byline strong {
  color: var(--atlas-ink);
  font-weight: 750;
}

.journal-detail-head figure {
  height: 430px;
  min-width: 0;
  min-height: 430px;
  margin: 0;
  overflow: hidden;
  border-left: 1px solid var(--atlas-line);
  background: var(--atlas-night);
}

.journal-detail-head img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.62) contrast(1.06);
}

.journal-detail-body {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 72px;
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
}

.journal-detail-body > aside {
  position: sticky;
  top: 30px;
  align-self: start;
  display: grid;
  border-top: 2px solid var(--atlas-ink);
}

.journal-detail-body > aside > * {
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--atlas-line);
  font-size: 12px;
  line-height: 1.7;
}

.journal-detail-body > aside > span {
  color: var(--atlas-clay);
  font-size: 10px;
  font-weight: 800;
}

.journal-detail-body > aside a {
  text-decoration: none;
}

.journal-detail-body nav[aria-label="文章目录"] { display: grid; padding: 4px 0; }
.journal-detail-body nav[aria-label="文章目录"] a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 0;
  overflow-wrap: anywhere;
}
.journal-detail-body nav[aria-label="文章目录"] a:hover,
.journal-detail-body nav[aria-label="文章目录"] a:focus-visible { color: var(--atlas-clay); }
.journal-sections > section[id] { scroll-margin-top: 110px; }

.journal-sections {
  border-top: 1px solid var(--atlas-line);
}

.journal-sections > section {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 28px;
  padding: 36px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.journal-sections > section > span {
  color: var(--atlas-clay);
  font-size: 11px;
  font-weight: 800;
}

.journal-sections h2 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.3;
}

.journal-sections p {
  max-width: 760px;
  margin: 0 0 16px;
  color: rgba(24, 34, 56, 0.72);
  font-size: 16px;
  line-height: 1.95;
}

.journal-sections .article-checklist {
  background: rgba(179, 216, 117, 0.12);
}

.article-checklist ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-checklist li {
  position: relative;
  padding: 10px 14px 10px 38px;
  border: 1px solid rgba(24, 34, 56, 0.13);
  background: rgba(255, 255, 255, 0.54);
  line-height: 1.7;
}

.article-checklist li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 10px;
  color: var(--atlas-clay);
  font-weight: 800;
}

.journal-sections .article-conclusion {
  border-bottom-color: var(--atlas-ink);
  background: var(--atlas-paper-deep);
}

.journal-related {
  display: grid;
  grid-template-columns: 0.8fr repeat(2, 1fr);
  padding: 0 clamp(28px, 7vw, 96px) clamp(64px, 7vw, 96px);
}

.journal-related > div,
.journal-related > a {
  min-height: 180px;
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--atlas-line);
}

.journal-related > a {
  position: relative;
  text-decoration: none;
}

.journal-related h2 {
  margin: 0;
  font-size: 25px;
}

.journal-related > a span {
  color: var(--atlas-clay);
  font-size: 10px;
  font-weight: 800;
}

.journal-related > a strong {
  max-width: 280px;
  line-height: 1.55;
}

.journal-related > a i {
  position: absolute;
  right: 20px;
  bottom: 20px;
  font-style: normal;
}

.about-manifesto {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
}

.about-manifesto h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.about-manifesto div > p {
  max-width: 720px;
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.9;
}

.about-principles,
.contact-board,
.release-notes {
  background: var(--atlas-paper-deep);
}

.about-principles > header,
.contact-board > header,
.download-steps > header,
.release-notes > header {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 44px;
  align-items: baseline;
  margin-bottom: 46px;
}

.about-principle-grid,
.contact-board > div,
.release-notes > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--atlas-line);
}

.contact-board > div,
.release-notes > div {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-principle-grid article,
.contact-board article,
.release-notes article {
  min-height: 250px;
  display: grid;
  grid-template-columns: 1fr;
  align-content: start;
  gap: 14px;
  padding: 28px;
  border: 0;
  background: var(--atlas-paper);
}

.about-principle-grid b,
.contact-board article > span,
.release-notes article > span {
  color: var(--atlas-clay);
  font-size: 11px;
}

.about-principle-grid h3,
.about-principle-grid p,
.contact-board h3,
.contact-board p,
.release-notes h3,
.release-notes p {
  margin: 0;
}

.about-principle-grid p,
.contact-board p,
.release-notes p {
  color: rgba(24, 34, 56, 0.65);
  line-height: 1.75;
}

.contact-board .contact-service-window {
  margin-top: 16px;
  color: var(--atlas-clay);
  font-size: 12px;
  font-weight: 750;
}

.contact-map .button + .button {
  margin-left: 8px;
}

.about-direction,
.contact-map,
.download-console {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
  gap: clamp(44px, 8vw, 110px);
  align-items: center;
}

.about-direction-art,
.contact-map-art,
.download-device {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  background: var(--atlas-night);
}

.about-direction-art img,
.contact-map-art img,
.download-device img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.58) brightness(0.78);
}

.about-direction-art > span,
.contact-map-art > span,
.contact-map-art > b {
  position: absolute;
  z-index: 2;
  padding: 8px 10px;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.about-direction-art > span:first-of-type,
.contact-map-art > span {
  top: 22px;
  left: 22px;
}

.about-direction-art > span:last-of-type,
.contact-map-art > b {
  right: 22px;
  bottom: 22px;
}

.about-direction-art i,
.contact-map-art i {
  display: none;
}

.about-direction h2,
.contact-map h2,
.download-console h2 {
  margin: 14px 0 0;
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.04em;
}

.about-direction p,
.about-direction li,
.contact-map li,
.download-console p {
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.85;
}

.about-team {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(42px, 7vw, 96px);
  padding: clamp(64px, 7vw, 96px) clamp(28px, 7vw, 96px);
  color: #fff;
  background: var(--atlas-night);
}

.about-team header h2 {
  margin: 14px 0 18px;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.2;
}

.about-team header > p:last-child {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.8;
}

.about-team > div {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.about-team article {
  display: grid;
  grid-template-columns: 46px minmax(140px, 0.65fr) 1.35fr;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.about-team article span {
  color: var(--atlas-moss);
  font-size: 10px;
  font-weight: 800;
}

.about-team article h3,
.about-team article p {
  margin: 0;
}

.about-team article p {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.75;
}

.about-collaboration,
.download-help,
.faq-next,
.policy-next,
.terms-confirm {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
  color: #fff;
  background: var(--atlas-clay);
}

.about-collaboration h2,
.download-help h2,
.faq-next h2,
.policy-next h2,
.terms-confirm h2 {
  margin: 12px 0 0;
  font-size: clamp(28px, 3.5vw, 42px);
}

.about-collaboration .button-primary,
.download-help .button-primary,
.faq-next .button-primary,
.policy-next .button-primary,
.terms-confirm .button-primary {
  color: #fff;
  border-color: var(--atlas-ink);
  background: var(--atlas-ink);
}

.contact-process {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  color: #fff;
  background: var(--atlas-night);
}

.contact-process > div > p:last-child {
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.8;
}

.contact-process ol,
.download-steps ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  list-style: none;
}

.contact-process li,
.download-steps li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.contact-process li > span,
.download-steps li > span {
  color: var(--atlas-moss);
  font-size: 11px;
}

.contact-process h3,
.contact-process p,
.download-steps h3,
.download-steps p {
  margin: 0;
}

.contact-process p,
.download-steps p {
  color: rgba(255, 255, 255, 0.64);
  line-height: 1.7;
}

.download-console-copy dl {
  display: grid;
  margin: 28px 0;
  border-top: 1px solid var(--atlas-line);
}

.download-console-copy dl > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  padding: 14px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.download-console-copy dt {
  color: var(--atlas-dusk);
  font-size: 11px;
}

.download-console-copy dd {
  margin: 0;
}

.download-device > div {
  position: absolute;
  inset: 42px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.download-device span,
.download-device b,
.download-device small {
  position: absolute;
  z-index: 2;
  color: #fff;
}

.download-device span {
  top: 18px;
  left: 18px;
}

.download-device b {
  right: 18px;
  bottom: 18px;
  color: var(--atlas-moss);
  font-size: 58px;
}

.download-device small {
  bottom: 22px;
  left: 18px;
  font-size: 8px;
  letter-spacing: 0.12em;
}

.download-steps {
  color: #fff;
  background: var(--atlas-night);
}

.download-steps > header {
  color: #fff;
}

.release-notes > div {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.faq-layout,
.policy-layout,
.terms-ledger {
  display: grid;
  grid-template-columns: minmax(230px, 0.68fr) 1.32fr;
  gap: 70px;
}

.faq-layout > aside,
.policy-layout > aside,
.terms-ledger > aside {
  position: sticky;
  top: 34px;
  align-self: start;
}

.faq-list,
.policy-layout > div,
.terms-ledger > div {
  border-top: 1px solid var(--atlas-line);
}

.faq-list details {
  border-bottom: 1px solid var(--atlas-line);
}

.faq-list summary {
  min-height: 76px;
  display: grid;
  grid-template-columns: 54px 1fr 44px;
  align-items: center;
  cursor: pointer;
}

.faq-list summary span {
  color: var(--atlas-clay);
  font-size: 11px;
}

.faq-list details > p {
  margin: 0;
  padding: 0 44px 28px 54px;
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.85;
}

.policy-layout section,
.terms-ledger section {
  display: grid;
  grid-template-columns: 64px 190px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.policy-layout section > span,
.terms-ledger section > span {
  color: var(--atlas-clay);
  font-size: 11px;
}

.policy-layout h2,
.policy-layout h3,
.policy-layout p,
.terms-ledger h2,
.terms-ledger h3,
.terms-ledger p {
  margin: 0;
}

.policy-layout p,
.policy-layout li,
.terms-ledger p,
.terms-ledger li {
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.85;
}

.search-page,
.sitemap-page {
  min-height: 100vh;
  padding: 64px clamp(28px, 7vw, 100px) 92px;
}

.search-head,
.sitemap-page > header {
  max-width: 860px;
  margin-bottom: 54px;
}

.search-head h1,
.sitemap-page h1 {
  margin: 18px 0;
  font-size: clamp(36px, 4.2vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.search-head > p:last-child,
.sitemap-page > header > p:last-child {
  color: rgba(24, 34, 56, 0.68);
  line-height: 1.8;
}

.search-experience form {
  padding: 34px;
  color: #fff;
  background: var(--atlas-night);
}

.search-experience form label {
  display: block;
  margin-bottom: 12px;
  color: var(--atlas-moss);
  font-size: 11px;
}

.search-experience form > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.search-experience input {
  min-width: 0;
  height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  background: transparent;
  font: inherit;
}

.search-experience button {
  min-width: 120px;
  min-height: 54px;
  border: 0;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
  font-weight: 750;
  cursor: pointer;
}

.search-prompt,
.search-empty,
.search-results {
  margin-top: 34px;
  padding: 38px;
  border: 1px solid var(--atlas-line);
  background: rgba(255, 255, 255, 0.34);
}

.search-results article {
  display: grid;
  grid-template-columns: 90px 220px 1fr;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--atlas-line);
}

.search-results h3,
.search-results p {
  margin: 0;
}

.search-results p {
  color: rgba(24, 34, 56, 0.66);
  line-height: 1.75;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--atlas-line);
}

.sitemap-grid section {
  min-height: 360px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 28px;
  background: var(--atlas-paper);
}

.sitemap-grid section > span {
  color: var(--atlas-clay);
  font-size: 11px;
}

.sitemap-grid h2 {
  margin: 10px 0 18px;
}

.sitemap-grid a {
  padding-bottom: 8px;
  border-bottom: 1px solid var(--atlas-line);
  text-decoration: none;
  font-size: 12px;
}

.not-found-page {
  min-height: 82vh;
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) 1.2fr;
  align-items: center;
  gap: 70px;
  padding: clamp(70px, 9vw, 130px) clamp(28px, 7vw, 100px);
  color: #fff;
  background: var(--atlas-night);
}

.not-found-art {
  min-height: 420px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.not-found-art span {
  font-size: clamp(64px, 9vw, 120px);
  font-weight: 800;
}

.not-found-art i {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--atlas-ink);
  background: var(--atlas-moss);
  font-style: normal;
}

.not-found-page h1 {
  margin: 16px 0;
  font-size: clamp(38px, 5vw, 62px);
}

.not-found-page > div:last-child > p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
}

@media (max-width: 980px) {
  .category-nav {
    top: 68px;
  }

  .product-archive,
  .category-layout,
  .news-archive,
  .faq-layout,
  .policy-layout,
  .terms-ledger {
    grid-template-columns: 1fr;
  }

  .product-archive > aside,
  .faq-layout > aside,
  .policy-layout > aside,
  .terms-ledger > aside {
    position: static;
  }

  .news-category-grid,
  .news-empty,
  .news-article-list {
    grid-column: auto;
  }

  .home-journal-list {
    grid-template-columns: 1fr;
  }

  .home-journal-list article,
  .home-journal-list article + article {
    min-height: 210px;
    padding: 28px 64px 28px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .about-principle-grid,
  .contact-board > div,
  .sitemap-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-detail-head,
  .about-direction,
  .contact-map,
  .download-console {
    grid-template-columns: 1fr;
  }

  .product-detail-art {
    min-height: 430px;
    border-left: 0;
    border-top: 1px solid var(--atlas-line);
  }

  .product-detail-body {
    grid-template-columns: 1fr;
  }

  .product-detail-body > aside {
    position: static;
  }

  .contact-process {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .page-intro {
    min-height: 390px;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 20px 40px;
  }

  .breadcrumbs {
    margin-bottom: 24px;
  }

  .page-intro h1 {
    font-size: 34px;
  }

  .page-marker {
    position: absolute;
    top: 60px;
    right: -38px;
    width: 150px;
    height: 150px;
    opacity: 0.34;
  }

  .category-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0;
  }

  .category-nav a {
    flex: 0 0 auto;
  }

  .product-archive,
  .category-layout,
  .news-archive,
  .about-manifesto,
  .about-principles,
  .about-direction,
  .about-team,
  .about-collaboration,
  .contact-board,
  .contact-process,
  .contact-map,
  .download-console,
  .download-steps,
  .release-notes,
  .download-help,
  .faq-layout,
  .faq-next,
  .policy-layout,
  .policy-next,
  .terms-ledger,
  .terms-confirm,
  .related-products {
    padding: 56px 20px;
  }

  .about-team {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-archive .product-grid,
  .category-layout .product-grid,
  .related-products .product-grid,
  .about-principle-grid,
  .contact-board > div,
  .release-notes > div,
  .sitemap-grid {
    grid-template-columns: 1fr;
  }

  .product-detail-head > div:first-child {
    padding: 58px 20px;
  }

  .product-detail-head h1 {
    font-size: 38px;
  }

  .product-detail-head dl {
    grid-template-columns: 1fr;
  }

  .product-detail-art {
    min-height: 360px;
  }

  .product-detail-body {
    gap: 40px;
    padding: 56px 20px;
  }

  .product-interface {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 56px 20px;
  }

  .product-interface-screen {
    border-radius: 16px;
    box-shadow: 10px 10px 0 rgba(24, 34, 56, 0.08);
  }

  .product-interface-track {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .product-interface-track article {
    min-height: 124px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .product-interface-track article:last-child {
    border-bottom: 0;
  }

  .product-sections > section,
  .about-team article,
  .policy-layout section,
  .terms-ledger section {
    grid-template-columns: 40px 1fr;
    gap: 16px;
  }

  .about-team article > p {
    grid-column: 2;
  }

  .product-sections > section > p,
  .policy-layout section > p,
  .policy-layout section > ul,
  .terms-ledger section > p,
  .terms-ledger section > ul {
    grid-column: 2;
  }

  .news-category-grid article {
    grid-template-columns: 40px 1fr;
  }

  .news-category-grid article p,
  .news-category-grid article .text-link {
    grid-column: 2;
  }

  .news-empty {
    padding: 34px 24px;
  }

  .news-article-list {
    grid-column: 1;
  }

  .news-card {
    grid-template-columns: 112px 1fr;
    gap: 18px;
  }

  .news-card-image {
    min-height: 134px;
  }

  .news-card h3 {
    font-size: 18px;
  }

  .news-card p {
    display: none;
  }

  .home-journal {
    padding: 56px 20px;
  }

  .home-journal-list {
    grid-template-columns: 1fr;
  }

  .home-journal-list article,
  .home-journal-list article + article {
    min-height: 220px;
    padding: 26px 54px 26px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .journal-detail-head {
    height: auto;
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .journal-detail-head > div {
    padding: 32px 20px 40px;
  }

  .journal-detail-head h1 {
    font-size: 34px;
  }

  .journal-detail-head figure {
    height: 220px;
    min-height: 220px;
    max-height: 220px;
    border-left: 0;
    border-top: 1px solid var(--atlas-line);
  }

  .journal-detail-body {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 56px 20px;
  }

  .journal-detail-body > aside {
    position: static;
  }

  .journal-sections > section {
    grid-template-columns: 34px 1fr;
    gap: 14px;
  }

  .journal-sections h2 {
    font-size: 23px;
  }

  .journal-related {
    grid-template-columns: 1fr;
    padding: 0 20px 56px;
  }

  .about-manifesto,
  .about-principles > header,
  .contact-board > header,
  .download-steps > header,
  .release-notes > header {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about-collaboration,
  .download-help,
  .faq-next,
  .policy-next,
  .terms-confirm {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-direction-art,
  .contact-map-art,
  .download-device {
    min-height: 360px;
  }

  .contact-map .button + .button {
    margin-top: 8px;
    margin-left: 0;
  }

  .search-page,
  .sitemap-page {
    padding: 54px 20px 80px;
  }

  .search-experience form,
  .search-prompt,
  .search-empty,
  .search-results {
    padding: 24px 20px;
  }

  .search-experience form > div,
  .search-results article {
    grid-template-columns: 1fr;
  }

  .not-found-page {
    grid-template-columns: 1fr;
    padding: 64px 20px;
  }

  .not-found-art {
    min-height: 260px;
  }
}

@media (max-width: 980px) {
  :root {
    --atlas-rail: 0px;
  }

  body > main,
  body > footer {
    margin-left: 0;
  }

  .site-header {
    position: sticky;
    inset: 0 0 auto;
    width: 100%;
    min-height: 68px;
    display: grid;
    grid-template-columns: 1fr 48px 54px;
    align-items: center;
    padding: 10px 14px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .site-header .brand {
    min-height: 48px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    border: 0;
  }

  .site-header .brand-mark {
    width: 40px;
    height: 40px;
  }

  .menu-toggle {
    width: 44px;
    min-width: 44px;
    height: 44px;
    display: grid;
    place-content: center;
    gap: 6px;
    margin: 0;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 12px;
    color: #fff;
    background: transparent;
  }

  .menu-toggle span {
    width: 20px;
    height: 1px;
    background: currentColor;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    max-height: calc(100vh - 68px);
    display: none;
    overflow-y: auto;
    padding: 12px 14px 24px;
    color: #fff;
    background: var(--atlas-ink);
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-group {
    grid-template-columns: 1fr 44px;
  }

  .nav-group > a {
    grid-column: 1;
    padding-right: 8px;
  }

  .submenu {
    position: static;
    grid-column: 1 / -1;
    width: auto;
    display: none;
    padding: 0 0 8px 18px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .submenu.is-open {
    display: grid;
  }

  .nav-group:hover .submenu:not(.is-open),
  .nav-group:focus-within .submenu:not(.is-open) {
    display: none;
  }

  .header-search {
    min-width: 0;
    min-height: 44px;
    justify-content: center;
    padding: 0;
    border: 0;
    font-size: 0;
  }

  .header-search span {
    font-size: 23px;
  }

  .home-hero {
    min-height: 720px;
  }

  .hero-intro {
    width: min(680px, 88vw);
    padding: 180px 0 48px 8vw;
  }

  .route-orbit {
    right: 7vw;
    bottom: 110px;
    width: 210px;
    height: 210px;
    opacity: 0.62;
  }

  .orbit-core {
    inset: 68px;
  }

  .route-steps {
    right: 5vw;
    bottom: 24px;
    width: 70vw;
  }

  .home-products .product-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .home-principles,
  .home-contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .atlas-landscape {
    object-position: 72% center;
    filter: saturate(0.76) contrast(1.02) brightness(0.64);
  }

  .route-board::after {
    background:
      linear-gradient(90deg, rgba(24, 34, 56, 0.9), rgba(24, 34, 56, 0.45)),
      linear-gradient(0deg, rgba(24, 34, 56, 0.92), transparent 65%);
  }

  .route-board-head {
    top: 22px;
    right: 18px;
    left: 18px;
  }

  .hero-intro {
    width: auto;
    padding: 138px 20px 38px;
  }

  .hero-intro h1 {
    font-size: clamp(32px, 9vw, 36px);
    line-height: 1.16;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .hero-facts > div {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 12px;
    padding-top: 11px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .hero-facts dd {
    margin: 0;
  }

  .route-orbit {
    right: -40px;
    bottom: 146px;
    opacity: 0.3;
  }

  .route-steps {
    right: 20px;
    left: 20px;
    width: auto;
  }

  .route-steps li {
    min-height: 70px;
    padding: 10px 7px;
  }

  .route-steps strong {
    font-size: 10px;
  }

  .route-section,
  .home-products,
  .home-principles,
  .home-contact {
    padding: 56px 20px;
  }

  .section-heading,
  .route-card,
  .home-about,
  .home-download {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 16px;
  }

  .route-card {
    gap: 13px;
    padding: 24px 0;
  }

  .route-card > span {
    width: 44px;
    height: 44px;
  }

  .home-about-image,
  .home-about-copy {
    grid-column: 1;
  }

  .home-about-image {
    min-height: 380px;
  }

  .home-about-copy {
    grid-row: 2;
    padding: 58px 20px;
    border: 0;
  }

  .home-products .product-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    gap: 28px;
    padding: 36px 0 30px;
  }

  .footer-grid nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 18px;
  }

  .footer-grid nav h2 {
    grid-column: 1 / -1;
    margin-bottom: 4px;
  }

  .footer-grid nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .principle-list article {
    grid-template-columns: 40px 1fr;
  }

  .principle-list p {
    grid-column: 2;
  }

  .home-download {
    gap: 42px;
    padding: 68px 20px;
  }

  .home-contact-links a {
    grid-template-columns: 92px 1fr 20px;
  }

  .site-footer {
    padding: 44px 20px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 24px clamp(20px, 5vw, 72px) 72px;
}

.pagination .button {
  min-width: 44px;
  min-height: 44px;
  padding-inline: 12px;
}

.search-results h3 {
  margin: 0;
}

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

  .orbit-ring,
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}