:root {
  --c-space: #0B1E3A;
  --c-space-soft: #2D3561;
  --c-orange: #FF6B2C;
  --c-gold: #F5B301;
  --c-ice: #E8F0FE;
  --c-cyan: #00E5FF;
  --c-ink: #2C3E50;
  --c-white: #FFFFFF;
  --grad-hero: linear-gradient(135deg, #0B1E3A 0%, #2D3561 100%);
  --grad-accent: linear-gradient(135deg, #FF6B2C 0%, #F5B301 100%);
  --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --page-gutter: clamp(20px, 4vw, 56px);
  --container-max: 1280px;
  --ticker-h: 34px;
  --nav-h: 74px;
  --header-h: calc(var(--ticker-h) + var(--nav-h));
  --radius-sm: 6px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-pop: 0 18px 60px rgba(2, 8, 23, .32);
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-white);
}

body.no-scroll {
  overflow: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  margin: 0;
  line-height: 1.22;
}

p {
  margin-top: 0;
}

a {
  color: inherit;
}

ul, ol {
  margin: 0;
  padding: 0;
}

button {
  font: inherit;
  cursor: pointer;
}

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

::selection {
  background: rgba(255, 107, 44, .85);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

#main-content {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section {
  padding-block: clamp(64px, 10vh, 120px);
}

.page-hero {
  min-height: 100vh;
  display: grid;
  align-content: end;
  gap: 24px;
  padding: calc(var(--header-h) + 56px) var(--page-gutter) 88px;
  background: var(--grad-hero);
  color: #fff;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(42px, 8vw, 96px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: .02em;
  margin: 0;
  max-width: 14em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s ease, border-color .22s ease, color .22s ease;
}

.btn-primary {
  background: var(--grad-accent);
  color: var(--c-space);
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(255, 107, 44, .3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(255, 107, 44, .4);
}

.btn-outline {
  border-color: rgba(255, 255, 255, .5);
  color: #fff;
}

.btn-outline:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  background: rgba(0, 229, 255, .06);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: rgba(232, 240, 254, .66);
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.breadcrumb li + li::before {
  content: "/";
  color: rgba(232, 240, 254, .3);
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.img-shell {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(160deg, #17294d, #0B1E3A);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-pop);
}

.img-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: inherit;
  pointer-events: none;
}

.img-shell img,
.img-shell .img-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-shell .img-placeholder {
  display: grid;
  place-items: center;
  color: rgba(232, 240, 254, .55);
  font-size: 13px;
  letter-spacing: .12em;
}

.img-shell[data-ratio="wide"] {
  aspect-ratio: 16 / 9;
}

.img-shell[data-ratio="square"] {
  aspect-ratio: 1 / 1;
}

.img-shell[data-ratio="portrait"] {
  aspect-ratio: 4 / 5;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  padding: 12px 18px;
  background: var(--c-gold);
  color: var(--c-space);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  opacity: 0;
  transform: translateY(-200%);
  transition: transform .24s var(--ease), opacity .24s ease;
}

.skip-link:focus-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  color: #fff;
  background: linear-gradient(180deg, rgba(11, 30, 58, .72) 0%, rgba(11, 30, 58, .28) 70%, rgba(11, 30, 58, 0) 100%);
  transition: background .35s var(--ease), box-shadow .35s var(--ease);
}

.site-header[data-scrolled] {
  background: rgba(9, 24, 48, .96);
  box-shadow: 0 10px 40px rgba(2, 8, 23, .4);
}

.header-ticker {
  position: relative;
  height: var(--ticker-h);
  padding: 0 var(--page-gutter);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  background: rgba(2, 10, 22, .4);
  border-bottom: 1px solid rgba(0, 229, 255, .12);
  color: rgba(232, 240, 254, .78);
  font-size: 12px;
  letter-spacing: .06em;
}

.site-header[data-scrolled] .header-ticker {
  background: rgba(2, 10, 22, .66);
}

.header-ticker::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: -12%;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
  opacity: .55;
  animation: dataScan 4.2s var(--ease) infinite;
}

.ticker-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
  flex: none;
  animation: tickerPulse 2s ease-out infinite;
}

.ticker-label {
  flex: none;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.ticker-track {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.ticker-copy {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-main {
  height: var(--nav-h);
  padding: 0 var(--page-gutter);
}

.header-inner {
  max-width: var(--container-max);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-left: 14px;
  min-width: 0;
  text-decoration: none;
  color: #fff;
}

.site-brand::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 78%;
  min-height: 24px;
  border-radius: 99px;
  background: var(--grad-accent);
  transform: translateY(-50%);
}

.brand-mark {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .04em;
  white-space: nowrap;
}

.brand-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--c-cyan);
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-item {
  margin: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 12px 13px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .82);
  text-decoration: none;
  transition: color .22s ease;
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 6px;
  height: 2px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff;
}

.nav-link:hover::before,
.nav-link:focus-visible::before,
.nav-link[aria-current="page"]::before {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: #fff;
  font-weight: 700;
}

.nav-index {
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  background: var(--grad-accent);
  color: var(--c-space);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
  text-decoration: none;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  box-shadow: 0 10px 24px rgba(255, 107, 44, .28);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.nav-cta::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-space);
  opacity: .85;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 107, 44, .4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 10px;
  background: rgba(11, 30, 58, .55);
  color: #fff;
  transition: background .2s ease, border-color .2s ease;
}

.nav-toggle:hover {
  border-color: var(--c-cyan);
  background: rgba(11, 30, 58, .8);
}

.toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 99px;
  background: #fff;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@keyframes dataScan {
  0% {
    left: -12%;
  }
  100% {
    left: 110%;
  }
}

@keyframes tickerPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 229, 255, .6);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(0, 229, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
  }
}

.site-footer {
  position: relative;
  overflow: hidden;
  background: #071428;
  color: rgba(232, 240, 254, .76);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--grad-accent);
  z-index: 2;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 12%, rgba(0, 229, 255, .12), transparent 36%),
    radial-gradient(circle at 10% 88%, rgba(255, 107, 44, .08), transparent 32%),
    repeating-linear-gradient(0deg, transparent 0 34px, rgba(232, 240, 254, .035) 34px 35px),
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(232, 240, 254, .035) 34px 35px);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 80px var(--page-gutter) 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr 0.9fr 1.15fr;
  gap: clamp(32px, 5vw, 64px);
}

.footer-brand-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand {
  margin-bottom: 4px;
}

.footer-trust {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(232, 240, 254, .7);
}

.footer-col {
  min-width: 0;
}

.footer-heading {
  margin: 6px 0 18px;
  padding-left: 12px;
  border-left: 3px solid var(--c-orange);
  font-family: var(--font-heading);
  font-size: 16px;
  letter-spacing: .1em;
  color: #fff;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 12px;
}

.footer-links a {
  color: rgba(232, 240, 254, .72);
  font-size: 14px;
  text-decoration: none;
  transition: color .22s ease, padding-left .22s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--c-cyan);
  padding-left: 6px;
}

.footer-contact p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.65;
}

.footer-contact .footer-note {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed rgba(232, 240, 254, .18);
  color: rgba(232, 240, 254, .55);
  font-size: 13px;
}

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 24px 0 8px;
  border-top: 1px solid rgba(232, 240, 254, .12);
}

.footer-tags span {
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(232, 240, 254, .58);
  border: 1px solid rgba(232, 240, 254, .16);
  border-radius: 99px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 24px 0 10px;
  font-size: 13px;
  color: rgba(232, 240, 254, .5);
}

.copyright,
.icp {
  margin: 0;
}

.footer-coordinate-note {
  position: absolute;
  top: 46%;
  right: 14px;
  z-index: 1;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 10px;
  letter-spacing: .34em;
  color: rgba(0, 229, 255, .4);
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-coordinate-note {
    display: none;
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    display: flex;
  }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 990;
    margin-left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 28px;
    padding: clamp(36px, 8vh, 64px) var(--page-gutter) 48px;
    background: linear-gradient(165deg, rgba(11, 30, 58, .99) 0%, rgba(18, 34, 66, .98) 60%, rgba(45, 53, 97, .96) 100%);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    pointer-events: none;
    transition: transform .34s var(--ease), opacity .34s var(--ease), visibility 0s linear .34s;
  }
  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;
    transition: transform .34s var(--ease), opacity .34s var(--ease), visibility 0s;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: 8px;
  }
  .nav-item {
    border-bottom: 1px solid rgba(255, 255, 255, .075);
  }
  .nav-link {
    padding: 17px 12px;
    font-size: 20px;
    font-weight: 700;
  }
  .nav-link::before {
    left: 12px;
    right: 12px;
    bottom: 8px;
  }
  .nav-index {
    font-size: 12px;
  }
  .nav-cta {
    margin-top: 8px;
    min-height: 54px;
    font-size: 16px;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  :root {
    --ticker-h: 30px;
    --nav-h: 66px;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
  }
  .brand-name {
    font-size: 18px;
  }
  .brand-tag {
    font-size: 9px;
  }
  .ticker-label {
    display: none;
  }
  .header-ticker {
    gap: 8px;
  }
  .footer-tags {
    gap: 6px;
  }
  .footer-tags span {
    padding: 5px 10px;
  }
}

@media (max-width: 620px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: .001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001s !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .site-nav {
    transition: none;
  }
}