:root {
  --dark-void: #12141C;
  --rock-gray: #2B2E3A;
  --sand-dune: #F2E3C6;
  --desert-gold: #D4A74A;
  --mountain-line: #7A6B52;
  --electric-blue: #00D4FF;
  --arena-purple: #7B2FF7;
  --live-amber: #FFBE5C;
  --data-green: #17D3A8;
  --header-w: 240px;
  --header-gap: 2rem;
  --topbar-h: 68px;
  --radius: 14px;
  --font-head: "Arial Black", "Noto Sans CJK Black", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Condensed", "Roboto Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  padding-left: calc(var(--header-w) + var(--header-gap));
  background:
    radial-gradient(circle at 85% -10%, rgba(0, 212, 255, 0.1), transparent 35%),
    var(--dark-void);
  color: #E7E2D6;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
  min-height: 60vh;
}

h1, h2, h3, h4 {
  color: var(--sand-dune);
  line-height: 1.2;
  font-family: var(--font-head);
  font-weight: 900;
  transform: skewX(-3deg);
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

h3 {
  font-size: clamp(1.2rem, 3vw, 1.75rem);
}

a {
  color: var(--electric-blue);
  text-underline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 320;
  padding: 0.7rem 1.2rem;
  background: var(--desert-gold);
  color: #12141C;
  font-weight: 900;
  text-decoration: none;
  transform: translateY(-300%);
  transition: transform 0.2s ease;
}

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 210;
  width: 0;
  max-width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--desert-gold), var(--electric-blue), var(--arena-purple));
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  width: var(--header-w);
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 20% 80%, rgba(123, 47, 247, 0.18), transparent 36%),
    repeating-linear-gradient(135deg, rgba(212, 167, 74, 0.06) 0, rgba(212, 167, 74, 0.06) 1px, transparent 1px, transparent 16px),
    var(--dark-void);
  border-right: 1px solid rgba(212, 167, 74, 0.15);
  box-shadow: inset -1px 0 rgba(0, 212, 255, 0.04);
}

.header-brand {
  padding: 2rem 1.5rem 1rem;
  border-bottom: 1px solid rgba(122, 107, 82, 0.3);
}

.header-logo {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.7rem;
  align-items: center;
  text-decoration: none;
  color: var(--sand-dune);
}

.header-logo:hover {
  color: var(--sand-dune);
}

.header-logo-mark {
  grid-row: 1 / 3;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--desert-gold), #B07E2A);
  color: #12141C;
  font-family: var(--font-num);
  font-weight: 900;
  font-size: 1.25rem;
  clip-path: polygon(0 0, 100% 12%, 100% 100%, 0 88%);
  transform: skewX(-5deg);
}

.header-logo-text {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  transform: skewX(-5deg);
  white-space: nowrap;
}

.header-logo-sub {
  grid-column: 2;
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  color: var(--mountain-line);
  white-space: nowrap;
}

.site-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
}

.site-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.site-nav-link {
  position: relative;
  display: block;
  padding: 0.8rem 1rem;
  color: #D7D2C4;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-left: 3px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-nav-link:hover {
  color: var(--sand-dune);
  background: linear-gradient(90deg, rgba(212, 167, 74, 0.16), transparent);
  border-left-color: var(--desert-gold);
}

.site-nav-link[aria-current="page"] {
  color: var(--electric-blue);
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.12), transparent);
  border-left-color: var(--electric-blue);
}

.site-nav-link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--electric-blue);
}

.site-nav-foot {
  margin-top: auto;
  display: grid;
  gap: 1rem;
}

.header-action {
  display: block;
  text-align: center;
  padding: 0.9rem 1.2rem;
  background: linear-gradient(135deg, var(--desert-gold), #F2C063);
  color: #12141C;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: transform 0.2s ease, filter 0.2s ease;
}

.header-action:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.header-action:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--electric-blue);
}

.header-slogan {
  margin: 0;
  font-size: 0.75rem;
  color: var(--mountain-line);
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  background: rgba(43, 46, 58, 0.9);
  color: var(--sand-dune);
  border: 1px solid rgba(212, 167, 74, 0.7);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.06em;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

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

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--electric-blue);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--electric-blue);
  color: var(--electric-blue);
}

.nav-toggle-icon {
  position: relative;
  width: 18px;
  height: 14px;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--desert-gold);
  transition: top 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-toggle-icon::before {
  top: 0;
  box-shadow: 0 6px 0 var(--desert-gold);
}

.nav-toggle-icon::after {
  top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 6px;
  box-shadow: none;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 6px;
  transform: rotate(-45deg);
}

.nav-toggle-label {
  font-size: 0.9rem;
}

.scroll-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 180;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  background: rgba(18, 20, 28, 0.92);
  color: var(--sand-dune);
  border: 1px solid var(--desert-gold);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, border-color 0.2s ease, color 0.2s ease;
}

.scroll-top:hover {
  color: var(--electric-blue);
  border-color: var(--electric-blue);
}

.scroll-top:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--electric-blue);
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-footer {
  position: relative;
  padding: 3.5rem clamp(1.25rem, 4vw, 3rem) 2rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 20%, rgba(123, 47, 247, 0.16), transparent 28%),
    linear-gradient(135deg, rgba(255, 190, 92, 0.06), transparent 40%),
    #0D0F14;
  border-top: 1px solid rgba(212, 167, 74, 0.18);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--desert-gold), var(--electric-blue), var(--arena-purple));
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.footer-logo {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--sand-dune);
  text-decoration: none;
  letter-spacing: 0.04em;
  transform: skewX(-3deg);
}

.footer-logo:hover {
  color: var(--sand-dune);
}

.footer-sub {
  margin: 0.4rem 0 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  color: var(--mountain-line);
  text-transform: uppercase;
}

.footer-localized {
  margin: 0 0 1.2rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--desert-gold);
}

.footer-title {
  grid-column: 1 / -1;
  margin: 0 0 0.8rem;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--desert-gold);
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.8rem;
  align-content: start;
}

.footer-link {
  color: #CBC5B8;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.25rem 0;
  border-bottom: 1px dashed transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-link:hover {
  color: var(--electric-blue);
  border-bottom-color: rgba(0, 212, 255, 0.35);
}

.footer-contact {
  font-style: normal;
  display: grid;
  gap: 0.4rem;
  color: #CBC5B8;
  font-size: 0.9rem;
  margin: 0;
}

.footer-contact p {
  margin: 0;
  line-height: 1.6;
}

.footer-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  padding-top: 2rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(122, 107, 82, 0.35);
}

.footer-meta a {
  color: var(--mountain-line);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-meta a:hover {
  color: var(--desert-gold);
}

.footer-copy {
  grid-column: 1 / -1;
  margin: 1.4rem 0 0;
  font-size: 0.85rem;
  color: var(--mountain-line);
}

.footer-trust {
  grid-column: 1 / -1;
  max-width: 60rem;
  margin: 1rem 0 0;
  padding-left: 1rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mountain-line);
  border-left: 2px solid rgba(212, 167, 74, 0.5);
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.container--narrow {
  max-width: 800px;
}

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  gap: 1.25rem;
  padding-bottom: 1.1rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--mountain-line);
}

.section-index {
  font-family: var(--font-num);
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.8;
  color: var(--desert-gold);
  transform: skewX(-5deg);
}

.section-title {
  margin: 0;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-family: var(--font-head);
  font-weight: 900;
  color: var(--sand-dune);
  transform: skewX(-3deg);
  line-height: 1.1;
}

.section-desc {
  max-width: 52ch;
  margin: 0;
  color: #A9A39A;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.35rem;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--desert-gold), #E8B960);
  color: #12141C;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--electric-blue);
}

.btn-outline {
  background: transparent;
  color: var(--electric-blue);
  box-shadow: inset 0 0 0 1px var(--electric-blue);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.08);
  box-shadow: inset 0 0 0 2px var(--electric-blue);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  color: var(--mountain-line);
  font-size: 0.9rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--mountain-line);
}

.breadcrumb a {
  color: var(--desert-gold);
  text-decoration: none;
}

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

.breadcrumb [aria-current="page"] {
  color: var(--electric-blue);
  font-weight: 700;
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--rock-gray);
  border: 1px solid rgba(122, 107, 82, 0.3);
  border-radius: var(--radius);
}

.media-frame::before {
  content: "";
  display: block;
  padding-top: 66.66%;
}

.media-frame--wide::before {
  padding-top: 42%;
}

.media-frame--tall::before {
  padding-top: 125%;
}

.media-frame--square::before {
  padding-top: 100%;
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(0.9rem, 1.5vw, 1.5rem);
}

.bento-card {
  position: relative;
  min-height: 0;
  padding: 1.5rem;
  overflow: hidden;
  background: var(--rock-gray);
  border: 1px solid rgba(212, 167, 74, 0.16);
  border-radius: var(--radius);
}

.bento-card--hero {
  grid-column: span 7;
  grid-row: span 2;
  min-height: 420px;
}

.bento-card--wide {
  grid-column: span 8;
}

.bento-card--tall {
  grid-column: span 3;
  grid-row: span 2;
}

.bento-card--small {
  grid-column: span 2;
}

.bento-card--full {
  grid-column: 1 / -1;
}

.sand-panel {
  padding: clamp(2rem, 6vw, 4.5rem);
  background: var(--sand-dune);
  color: #1B1C24;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.sand-panel h1,
.sand-panel h2,
.sand-panel h3,
.sand-panel .section-title {
  color: #12141C;
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live-amber);
  box-shadow: 0 0 0 3px rgba(255, 190, 92, 0.28);
  vertical-align: middle;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid rgba(122, 107, 82, 0.35);
  text-align: left;
}

.data-table th {
  color: var(--desert-gold);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(43, 46, 58, 0.5);
}

.data-table td {
  color: #D8D2C4;
}

.data-table tr:hover td {
  background: rgba(0, 212, 255, 0.06);
}

.trend-up {
  color: var(--data-green);
  font-weight: 700;
}

.trend-down {
  color: var(--live-amber);
  font-weight: 700;
}

@media (max-width: 960px) {
  body {
    padding-top: var(--topbar-h);
    padding-left: 0;
  }

  .site-header {
    left: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: var(--topbar-h);
    flex-direction: row;
    align-items: center;
    padding: 0 1rem;
    border-right: 0;
    border-bottom: 1px solid rgba(212, 167, 74, 0.2);
    background: #0D0F14;
  }

  .header-brand {
    padding: 0;
    border-bottom: 0;
  }

  .header-logo-mark {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .header-logo-sub {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    z-index: 130;
    max-height: 72vh;
    overflow: auto;
    display: block;
    padding: 1.5rem 1.25rem 2rem;
    background: #0D0F14;
    border-top: 2px solid var(--desert-gold);
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(110%);
    transition: transform 0.28s ease;
  }

  .site-nav[data-open] {
    transform: translateY(0);
  }

  .site-nav-list {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .site-nav-link {
    padding: 0.75rem 0.9rem;
    background: var(--rock-gray);
    border-left: 3px solid transparent;
  }

  .site-nav-foot {
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
  }

  .header-slogan {
    text-align: center;
  }

  .scroll-top {
    bottom: 1.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  :root {
    --topbar-h: 60px;
  }

  .site-header {
    padding: 0 0.75rem;
  }

  .header-logo-mark {
    width: 34px;
    height: 34px;
    font-size: 0.95rem;
  }

  .header-logo-text {
    font-size: 0.95rem;
  }

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

  .site-nav {
    padding: 1rem 1rem 1.25rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 1.5rem;
  }

  .footer-title {
    margin-bottom: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}