:root {
  --bg-obsidian: #0A0A0F;
  --bg-graphite: #1A1A1F;
  --bg-raised: #14141A;
  --gold: #D4AF37;
  --red: #8B1E2E;
  --blue: #00C8FF;
  --white: #FFFFFF;
  --offwhite: #F5F5F5;
  --line: #333333;
  --muted: #999999;
  --text: #F5F5F5;
  --headline-font: "Archivo Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body-font: "Noto Serif SC", "Source Serif Pro", "Songti SC", "STSong", serif;
  --sidebar-width: 280px;
  --header-height-mobile: 64px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-obsidian);
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--text);
  font-family: var(--body-font);
  font-size: 1rem;
  line-height: 1.85;
  padding-left: var(--sidebar-width);
}

@media (max-width: 860px) {
  body {
    padding-left: 0;
    padding-top: var(--header-height-mobile);
  }
}

#main-content {
  display: block;
  scroll-margin-top: calc(var(--header-height-mobile) + 16px);
}

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

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--headline-font);
  font-weight: 900;
  letter-spacing: .01em;
  line-height: 1.15;
}

button {
  font-family: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 12px;
  z-index: 300;
  padding: .75rem 1.25rem;
  background: var(--blue);
  color: var(--bg-obsidian);
  font-family: var(--headline-font);
  font-size: .8rem;
  letter-spacing: .08em;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 12px;
  color: var(--bg-obsidian);
}

@media (min-width: 861px) {
  .skip-link {
    left: calc(var(--sidebar-width) + 12px);
  }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #0A0A0F 0%, #0C0C11 55%, #14141A 100%);
  border-right: 1px solid var(--line);
}

.header-topbar {
  padding: 32px 28px 24px;
  border-bottom: 1px solid var(--line);
}

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

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--headline-font);
  font-size: 1.45rem;
  transform: skewX(-8deg);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(212,175,55,.35);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  color: var(--white);
  font-family: var(--headline-font);
  font-size: 1.18rem;
  letter-spacing: .04em;
}

.brand-sub {
  margin-top: 3px;
  color: var(--gold);
  font-size: .68rem;
  letter-spacing: .28em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px 20px 24px;
}

.nav-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  counter-reset: navIndex;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}

.nav-list li {
  counter-increment: navIndex;
}

.nav-link {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding: .72rem .5rem;
  border-left: 2px solid transparent;
  color: rgba(245,245,245,.72);
  font-family: var(--headline-font);
  font-size: .92rem;
  letter-spacing: .05em;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.nav-link::before {
  content: "0" counter(navIndex);
  color: var(--gold);
  font-family: var(--headline-font);
  font-size: .66rem;
  line-height: 1.6;
  opacity: .85;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--white);
  background: rgba(212,175,55,.06);
  border-left-color: var(--gold);
}

.nav-link[aria-current="page"]::before {
  color: var(--blue);
  opacity: 1;
}

.nav-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .06em;
}

.nav-toggle {
  display: none;
}

.header-progress {
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--gold), var(--red) 70%, var(--blue));
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
  z-index: 5;
}

@media (max-width: 860px) {
  .site-header {
    width: 100%;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(10,10,15,.97);
  }

  .header-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }

  .site-nav {
    flex: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height .3s ease;
  }

  .site-nav[data-open] {
    max-height: calc(100vh - var(--header-height-mobile));
    overflow-y: auto;
    padding: 10px 16px 16px;
  }

  .nav-list {
    gap: 2px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 8px;
    margin-bottom: 16px;
  }

  .nav-meta {
    padding-top: 12px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--line);
    color: var(--white);
    font-family: var(--headline-font);
    font-size: .78rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: border-color .2s ease, color .2s ease;
  }

  .nav-toggle:hover {
    border-color: var(--gold);
    color: var(--gold);
  }

  .nav-toggle-icon {
    position: relative;
    display: inline-block;
    width: 18px;
    height: 12px;
  }

  .nav-toggle-icon span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    transition: top .2s ease, transform .2s ease, opacity .2s ease;
  }

  .nav-toggle-icon span:nth-child(1) {
    top: 0;
  }

  .nav-toggle-icon span:nth-child(2) {
    top: 5px;
  }

  .nav-toggle-icon span:nth-child(3) {
    top: 10px;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(1) {
    top: 5px;
    transform: rotate(45deg);
  }

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

  .nav-toggle[aria-expanded="true"] .nav-toggle-icon span:nth-child(3) {
    top: 5px;
    transform: rotate(-45deg);
  }

  .header-progress {
    display: none;
  }
}

.site-footer {
  position: relative;
  margin-top: 120px;
  background: linear-gradient(140deg, #0A0A0F 0%, #0C0C11 45%, #101016 100%);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent 58%, var(--red));
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 72px 64px 40px;
}

.footer-focus {
  max-width: 58ch;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(212,175,55,.5);
  color: var(--gold);
  font-family: var(--headline-font);
  font-size: 1.2rem;
  transform: skewX(-8deg);
}

.footer-brand-sub {
  color: var(--muted);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.footer-trust {
  margin: 0 0 16px;
  color: #BBBBBB;
  font-size: .9rem;
  line-height: 1.9;
}

.footer-address {
  font-style: normal;
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.7;
}

.footer-nav,
.footer-info {
  display: flex;
  flex-direction: column;
}

.footer-heading {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: #BBBBBB;
  font-size: .9rem;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: var(--blue);
  padding-left: 4px;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  align-items: center;
  justify-content: space-between;
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 24px;
  color: var(--muted);
  font-size: .78rem;
}

.footer-copyright,
.footer-icp,
.footer-note {
  display: inline-block;
}

.footer-icp {
  letter-spacing: .04em;
}

.footer-note {
  color: var(--gold);
}

@media (max-width: 860px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 56px 20px 32px;
  }

  .footer-meta {
    justify-content: flex-start;
  }

  .site-footer {
    margin-top: 72px;
  }
}

.container,
.page-shell {
  width: min(100%, 1400px);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 48px);
  padding-right: clamp(16px, 4vw, 48px);
}

.page-shell {
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: 120px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: .8rem;
}

.breadcrumb a {
  color: var(--blue);
}

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

.breadcrumb [aria-current="page"] {
  color: var(--gold);
}

.btn {
  display: inline-block;
  padding: .85rem 1.6rem;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-family: var(--headline-font);
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.btn:hover {
  background: var(--gold);
  color: var(--bg-obsidian);
}

.btn-primary {
  background: var(--gold);
  color: var(--bg-obsidian);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: transparent;
  color: var(--gold);
}

.btn-outline {
  border-color: var(--line);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(0,200,255,.08);
  border-color: var(--blue);
  color: var(--blue);
}

.surface {
  background: var(--bg-graphite);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}

.panel {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--bg-graphite);
  border: 1px solid var(--line);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--gold), var(--red));
  opacity: .7;
}

.panel-title {
  margin: 0 0 .5rem;
  font-size: 1.2rem;
  color: var(--white);
}

.panel-stat,
.data-num {
  color: var(--gold);
  font-family: var(--headline-font);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

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

.section-head {
  margin-bottom: 40px;
}

.section-kicker {
  display: block;
  margin-bottom: .5rem;
  color: var(--blue);
  font-size: .75rem;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--white);
}

.section-title span {
  color: var(--gold);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.media-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-graphite);
  border: 1px solid var(--line);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212,175,55,.12), transparent 40%, rgba(0,200,255,.08));
  pointer-events: none;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.frame-caption {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: .75rem 1rem;
  background: rgba(10,10,15,.78);
  color: var(--offwhite);
  font-size: .8rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: .7rem .8rem;
  border-bottom: 1px solid var(--line);
  font-size: .9rem;
  text-align: left;
}

.data-table th {
  color: var(--gold);
  font-family: var(--headline-font);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.data-table tr:hover td {
  background: rgba(212,175,55,.05);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .75s ease, transform .75s ease;
  transition-delay: var(--reveal-delay, 0s);
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .js [data-reveal],
  .js [data-reveal].is-revealed {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .site-nav,
  .nav-toggle-icon span,
  .skip-link,
  .nav-link,
  .btn,
  .footer-links a {
    transition: none !important;
  }
}