:root {
  --c-bg: #0A1128;
  --c-bg-alt: #1F1F2E;
  --c-accent: #7B2FF7;
  --c-accent-2: #FF9F1C;
  --c-text: #FFFFFF;
  --c-text-sub: #E0E0E0;
  --c-border: #3A3A5C;
  --c-glass: rgba(255, 255, 255, 0.08);
  --c-glass-border: rgba(255, 255, 255, 0.12);
  --font-head: Impact, Anton, 'Arial Black', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-body: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  --container-w: 1280px;
  --header-h: 5rem;
  --radius-lg: 1.5rem;
  --radius-md: 0.875rem;
  --radius-pill: 999px;
  --shadow-float: 0 16px 48px rgba(0, 0, 0, 0.4);
}

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-h);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
  background-color: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
  word-break: break-word;
}

main {
  display: block;
  flex: 1 0 auto;
  width: 100%;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-text);
  margin-bottom: 0.5em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 1.75vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
}

h5,
h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--c-text-sub);
}

strong {
  color: var(--c-text);
}

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

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

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.container {
  width: min(100% - 2rem, var(--container-w));
  margin-inline: auto;
}

.section {
  padding-block: 3.5rem;
}

.section--alt {
  background: var(--c-bg-alt);
  border-block: 1px solid var(--c-border);
}

.section-head {
  display: grid;
  gap: 0.5rem;
  max-width: 52rem;
  margin-bottom: 2.5rem;
}

.page-head {
  padding-block: 3rem 2.5rem;
}

.page-title {
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--c-text);
  margin: 0;
}

.page-lead {
  max-width: 60ch;
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin-top: 1rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent-2);
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent-2);
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2000;
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--c-accent-2);
  color: var(--c-bg);
  font-size: 0.875rem;
  font-weight: 700;
  pointer-events: auto;
  box-shadow: 0 8px 24px rgba(255, 159, 28, 0.4);
  transform: translateY(calc(-100% - 1.5rem));
  transition: transform 0.2s ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.75rem 1rem;
  pointer-events: none;
}

.site-header__progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1200;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-2) 100%);
  box-shadow: 0 0 12px rgba(255, 159, 28, 0.5);
  transition: width 0.08s linear;
}

.site-header__pill {
  position: relative;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  width: min(100%, var(--container-w));
  min-height: 3.5rem;
  margin-inline: auto;
  padding: 0.375rem 0.5rem 0.375rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 22, 48, 0.86);
  border: 1px solid var(--c-glass-border);
  box-shadow: var(--shadow-float), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
  color: var(--c-text);
}

.site-brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.375rem;
  height: 2.375rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--c-accent) 0%, #9A5BFF 100%);
  color: #fff;
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(123, 47, 247, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: box-shadow 0.25s ease;
}

.site-brand__mark::after {
  content: "";
  position: absolute;
  top: 0.25rem;
  right: 0.25rem;
  width: 0.4375rem;
  height: 0.4375rem;
  border-radius: 50%;
  background: var(--c-accent-2);
  box-shadow: 0 0 10px rgba(255, 159, 28, 0.8);
}

.site-brand__name {
  font-family: var(--font-head);
  font-size: 1.375rem;
  letter-spacing: 0.08em;
  transition: color 0.25s ease;
}

.site-brand:hover .site-brand__name {
  color: var(--c-accent-2);
}

.site-brand:hover .site-brand__mark {
  box-shadow: 0 8px 24px rgba(123, 47, 247, 0.7);
}

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.site-nav__item {
  margin: 0;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.4375rem 0.875rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--c-text-sub);
  white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-nav__link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.site-nav__link[aria-current="page"] {
  color: #fff;
  background: rgba(123, 47, 247, 0.28);
  box-shadow: inset 0 0 0 1px rgba(123, 47, 247, 0.55);
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  min-height: 2.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--c-accent-2);
  color: var(--c-bg);
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.site-header__cta::before {
  content: "";
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.site-header__cta:hover {
  background: #FFB050;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(255, 159, 28, 0.4);
}

.site-header__cta:active {
  transform: translateY(0);
}

.nav-toggle {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.875rem;
  border: 1px solid var(--c-glass-border);
  background: rgba(255, 255, 255, 0.06);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.nav-toggle__icon {
  display: inline-flex;
  flex-direction: column;
  gap: 0.3125rem;
  width: 1.125rem;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--c-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle--active .nav-toggle__bar:nth-child(1) {
  transform: translateY(0.4375rem) rotate(45deg);
}

.nav-toggle--active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle--active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-0.4375rem) rotate(-45deg);
}

@keyframes nav-drop {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-footer {
  border-top: 1px solid var(--c-border);
  background:
    radial-gradient(ellipse 80% 120% at 20% 0%, rgba(123, 47, 247, 0.15) 0%, transparent 60%),
    linear-gradient(180deg, var(--c-bg-alt) 0%, var(--c-bg) 100%);
}

.site-footer__statusbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--c-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-sub);
}

.site-footer__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.site-footer__status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--c-accent-2);
  box-shadow: 0 0 10px rgba(255, 159, 28, 0.6);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1.3fr;
  gap: 2.5rem 3rem;
  padding-block: 3rem 2.5rem;
}

.site-footer__brand {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.site-footer__about {
  max-width: 36ch;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin: 0;
}

.site-footer__trust {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.5rem;
  max-width: 34ch;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-text-sub);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border);
  border-radius: 1rem;
  padding: 0.625rem 1rem;
  margin: 0;
}

.site-footer__trust::before {
  content: "";
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--c-accent-2);
  margin-top: 0.5rem;
  box-shadow: 0 0 8px rgba(255, 159, 28, 0.5);
}

.site-footer__col {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.site-footer__heading {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text);
  margin: 0;
}

.site-footer__links {
  display: grid;
  gap: 0.5rem;
}

.site-footer__links a {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--c-text-sub);
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-footer__links a:hover {
  color: var(--c-accent-2);
  transform: translateX(0.25rem);
}

.site-footer__contact {
  display: grid;
  gap: 0.625rem;
}

.site-footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-text-sub);
}

.site-footer__contact-item::before {
  content: "";
  flex-shrink: 0;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: var(--c-accent);
  margin-top: 0.55rem;
}

.site-footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  border-top: 1px solid var(--c-border);
  padding-block: 1.25rem;
}

.site-footer__legal {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.site-footer__legal-link {
  font-size: 0.8125rem;
  color: var(--c-text-sub);
  transition: color 0.2s ease;
}

.site-footer__legal-link:hover {
  color: var(--c-accent-2);
}

.site-footer__dot {
  color: var(--c-border);
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--c-text-sub);
}

.site-footer__icp {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--c-text-sub);
}

.site-footer__icp::before {
  content: "";
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 50%;
  background: var(--c-accent-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.btn--primary {
  background: var(--c-accent-2);
  color: var(--c-bg);
}

.btn--primary:hover {
  background: #FFAB33;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 159, 28, 0.3);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--outline {
  background: transparent;
  border-color: var(--c-border);
  color: var(--c-text);
}

.btn--outline:hover {
  border-color: var(--c-accent);
  color: #fff;
  background: rgba(123, 47, 247, 0.12);
}

.btn--ghost {
  background: transparent;
  color: var(--c-text-sub);
}

.btn--ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(123, 47, 247, 0.12);
  border: 1px solid rgba(123, 47, 247, 0.4);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text);
}

.chip--hot {
  background: rgba(255, 159, 28, 0.1);
  border-color: rgba(255, 159, 28, 0.45);
  color: var(--c-accent-2);
}

.card {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.card--glass {
  background: var(--c-glass);
  border-color: var(--c-glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card--status {
  border-left: 3px solid var(--c-accent-2);
}

.card__title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--c-text);
  margin-bottom: 0.75rem;
}

.card__text {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-text-sub);
  margin: 0;
}

.card__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-accent-2);
  margin-top: 1rem;
}

.frame {
  position: relative;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
}

.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 2.25rem;
  height: 2.25rem;
  border: 0 solid var(--c-accent);
}

.frame::before {
  top: -1px;
  left: -1px;
  border-top-width: 3px;
  border-left-width: 3px;
  border-top-left-radius: var(--radius-lg);
}

.frame::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 3px;
  border-right-width: 3px;
  border-bottom-right-radius: var(--radius-lg);
}

.figure {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(123, 47, 247, 0.12) 0%, transparent 55%),
    var(--c-bg-alt);
  border: 1px solid var(--c-border);
}

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

.figure--wide {
  aspect-ratio: 21 / 9;
}

.figure::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-border);
}

.clip-diagonal {
  clip-path: polygon(0 0, calc(100% - 1.5rem) 0, 100% 1.5rem, 100% 100%, 0 100%);
}

.clip-diagonal--flip {
  clip-path: polygon(1.5rem 0, 100% 0, 100% 100%, 0 100%, 0 1.5rem);
}

.breadcrumb {
  display: block;
  margin-bottom: 2rem;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--c-text-sub);
}

.breadcrumb__item a {
  color: var(--c-text-sub);
  transition: color 0.2s ease;
}

.breadcrumb__item a:hover {
  color: var(--c-accent-2);
}

.breadcrumb__sep {
  color: var(--c-border);
}

.breadcrumb__item--current {
  color: var(--c-text);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.data-stat {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}

.data-stat__value {
  font-family: var(--font-head);
  font-size: 2rem;
  line-height: 1.2;
  color: var(--c-text);
}

.data-stat__value--accent {
  color: var(--c-accent-2);
}

.data-stat__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-sub);
}

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-block: 0.625rem;
  border-bottom: 1px solid rgba(58, 58, 92, 0.5);
}

.data-row:last-child {
  border-bottom: 0;
}

.data-row__label {
  font-size: 0.875rem;
  color: var(--c-text-sub);
}

.data-row__value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--c-text);
}

.prose {
  max-width: 68ch;
}

.prose p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--c-text-sub);
}

.prose h2 {
  margin-top: 2.5rem;
}

.prose ul:not([class]),
.prose ol:not([class]) {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
  list-style: disc;
}

.prose ol:not([class]) {
  list-style: decimal;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    padding: 0.5rem;
    border-radius: 1.5rem;
    background: rgba(10, 17, 40, 0.96);
    border: 1px solid var(--c-glass-border);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  }

  .site-nav[data-open] {
    display: block;
    animation: nav-drop 0.25s ease-out;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .site-nav__link {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    padding: 0.625rem 0.875rem;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
  }

  .site-header__cta {
    display: none;
  }

  .site-header__pill {
    gap: 0.5rem;
  }

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

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

@media (max-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-block: 2.5rem 2rem;
  }

  .site-footer__statusbar {
    justify-content: flex-start;
    gap: 0.5rem 1.5rem;
  }

  .section {
    padding-block: 2.5rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}