:root {
  --space-blue: #0B1E3A;
  --ocean-depth: #123456;
  --cold-gray: #7B8A9B;
  --rock-gray: #9AA3AD;
  --neon-green: #C6FF3D;
  --orange-red: #FF5A36;
  --moss-green: #4E7A5A;
  --terracotta: #C46A4B;
  --beige: #F2E8D5;
  --white: #F8FAFC;

  --font-heading: 'Archivo Black', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SFMono-Regular', monospace;

  --container-max: 1320px;
  --header-h: 76px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --glass-bg: rgba(11, 30, 58, 0.82);
  --glass-border: rgba(198, 255, 61, 0.18);
  --card-bg: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.08);

  --shadow-raised: 0 14px 36px rgba(0, 0, 0, 0.38);
  --shadow-card: 0 6px 24px rgba(0, 0, 0, 0.28);

  --transition-fast: 160ms ease;
  --transition-base: 280ms cubic-bezier(0.33, 1, 0.68, 1);
  --transition-slow: 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  padding-top: var(--header-h);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--beige);
  background: var(--space-blue);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.18;
  color: var(--white);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.4rem, 6vw, 5.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.8rem); }
h3 { font-size: 1.25rem; }

p {
  margin: 0 0 1em;
}

a {
  color: var(--neon-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--orange-red);
}

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

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

:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--neon-green);
  color: var(--space-blue);
}

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

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 3000;
  background: var(--neon-green);
  color: var(--space-blue);
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus-visible {
  top: 1rem;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2500;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-green), var(--orange-red));
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
  opacity: 0.9;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 3vw, 2.5rem);
}

.section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  position: relative;
}

.section-head {
  margin-bottom: 2.25rem;
  max-width: 48rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-red);
  margin-bottom: 0.625rem;
}

.eyebrow::before {
  content: '';
  width: 1.75rem;
  height: 2px;
  background: var(--orange-red);
  display: inline-block;
}

.section-title {
  color: var(--beige);
  margin-bottom: 0.75rem;
}

.section-title strong {
  color: var(--neon-green);
  font-weight: inherit;
}

.lead {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--rock-gray);
  max-width: 64ch;
}

header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

header.site-header::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-green) 0%, var(--orange-red) 55%, transparent 100%);
  pointer-events: none;
}

.header-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  height: 100%;
  padding-inline: clamp(1.25rem, 3vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark:hover {
  color: var(--white);
}

.brand-symbol {
  position: relative;
  display: block;
  width: 2.4rem;
  height: 2.1rem;
  background: var(--neon-green);
  clip-path: polygon(0% 0%, 72% 0%, 100% 50%, 72% 100%, 0% 100%);
  flex-shrink: 0;
}

.brand-symbol::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 5px;
  width: calc(100% - 14px);
  height: calc(100% - 10px);
  background: var(--space-blue);
  clip-path: polygon(0% 0%, 68% 0%, 96% 50%, 68% 100%, 0% 100%);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: var(--white);
}

.brand-tag {
  font-size: 0.6875rem;
  color: var(--cold-gray);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  z-index: 1200;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--neon-green);
  margin-inline: auto;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] {
  border-color: rgba(255, 90, 54, 0.5);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-of-type(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.125rem;
  color: var(--beige);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--neon-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--neon-green);
}

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

.site-footer {
  position: relative;
  background: var(--space-blue);
  color: var(--beige);
  border-top: 1px solid rgba(198, 255, 61, 0.08);
  margin-top: 4rem;
}

.footer-accent {
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--neon-green) 0,
    var(--neon-green) 10px,
    var(--space-blue) 10px,
    var(--space-blue) 20px,
    var(--orange-red) 20px,
    var(--orange-red) 26px,
    var(--space-blue) 26px,
    var(--space-blue) 36px
  );
  opacity: 0.8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(2.5rem, 5vw, 4rem) 2.5rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.875rem;
}

.footer-brand-symbol {
  position: relative;
  display: inline-block;
  width: 2rem;
  height: 1.75rem;
  background: var(--neon-green);
  clip-path: polygon(0% 0%, 72% 0%, 100% 50%, 72% 100%, 0% 100%);
  flex-shrink: 0;
}

.footer-brand-symbol::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 4px;
  width: calc(100% - 12px);
  height: calc(100% - 8px);
  background: var(--space-blue);
  clip-path: polygon(0% 0%, 68% 0%, 96% 50%, 68% 100%, 0% 100%);
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--white);
  letter-spacing: 0.06em;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--cold-gray);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.footer-trust {
  font-size: 0.875rem;
  line-height: 1.85;
  color: var(--rock-gray);
  max-width: 38ch;
  margin-bottom: 0;
}

.footer-heading {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1rem;
  color: var(--beige);
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
}

.footer-heading::after {
  content: '';
  display: inline-block;
  width: 1.5rem;
  height: 2px;
  background: var(--neon-green);
  vertical-align: middle;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-links a {
  color: var(--beige);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--neon-green);
  padding-left: 0.375rem;
}

.footer-contact-block {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-contact-item {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  font-size: 0.875rem;
  color: var(--cold-gray);
  margin-bottom: 0.5rem;
  line-height: 1.6;
  word-break: break-all;
}

.footer-contact-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-green);
  flex-shrink: 0;
  min-width: 2.5em;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.25rem 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-icp {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--cold-gray);
  margin: 0;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--rock-gray);
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  line-height: 1.25;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-solid {
  background: var(--neon-green);
  color: var(--space-blue);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%);
  padding-right: 2rem;
}

.btn-solid:hover {
  background: var(--orange-red);
  color: var(--space-blue);
  box-shadow: var(--shadow-card);
}

.btn-ghost {
  background: transparent;
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
}

.btn-ghost:hover {
  background: rgba(198, 255, 61, 0.1);
  color: var(--neon-green);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  background: rgba(198, 255, 61, 0.1);
  border: 1px solid rgba(198, 255, 61, 0.16);
  color: var(--neon-green);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
}

.chip[data-tone="warm"] {
  background: rgba(255, 90, 54, 0.1);
  border-color: rgba(255, 90, 54, 0.2);
  color: var(--orange-red);
}

.chip[data-tone="neutral"] {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.09);
  color: var(--beige);
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange-red);
  animation: pulse-dot 1.6s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 90, 54, 0.6);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(255, 90, 54, 0);
    transform: scale(1.15);
  }
}

.data-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.375rem 1.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.data-card:hover {
  border-color: rgba(198, 255, 61, 0.25);
  transform: translateY(-2px);
}

.data-value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--neon-green);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 0.25rem;
}

.data-label {
  font-size: 0.8125rem;
  color: var(--cold-gray);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-family: var(--font-mono);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 1rem 0 1.5rem;
  font-size: 0.875rem;
  color: var(--cold-gray);
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}

.breadcrumb-list li + li::before {
  content: '/';
  margin-right: 0.5rem;
  color: var(--orange-red);
  font-family: var(--font-mono);
}

.breadcrumb-list a {
  color: var(--cold-gray);
  text-decoration: none;
}

.breadcrumb-list a:hover {
  color: var(--neon-green);
}

.breadcrumb-list li[aria-current="page"] {
  color: var(--beige);
  font-weight: 500;
}

.image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ocean-depth);
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-md);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(198, 255, 61, 0.07) 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(225deg, rgba(198, 255, 61, 0.07) 25%, transparent 25%) 0 0 / 22px 22px,
    var(--ocean-depth);
  color: var(--rock-gray);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.speed-slashes {
  display: block;
  height: 4px;
  border: none;
  background: repeating-linear-gradient(
    -60deg,
    var(--orange-red) 0,
    var(--orange-red) 5px,
    transparent 5px,
    transparent 18px
  );
  opacity: 0.7;
}

.panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal][data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

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

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: calc(var(--header-h) + 1px);
    right: 0;
    z-index: 1100;
    width: min(340px, 88vw);
    max-height: calc(100dvh - var(--header-h) - 8px);
    overflow-y: auto;
    background: rgba(11, 30, 58, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    border-radius: 0 0 0 var(--radius-lg);
    padding: 1.5rem 1.25rem;
    transform: translateX(105%);
    transition: transform var(--transition-base);
  }

  .site-nav[data-open="true"] {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.375rem;
  }

  .nav-link {
    display: flex;
    padding: 0.75rem 0.5rem;
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-link::after {
    display: none;
  }

  .nav-link[aria-current="page"] {
    background: rgba(198, 255, 61, 0.07);
    border-left: 3px solid var(--neon-green);
    padding-left: 0.875rem;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 64px;
  }

  .brand-symbol {
    width: 2rem;
    height: 1.75rem;
  }

  .brand-name {
    font-size: 1.0625rem;
  }

  .brand-tag {
    display: none;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .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-progress {
    display: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn:hover {
    transform: none;
  }

  .data-card:hover {
    transform: none;
  }
}

@media print {
  .site-header,
  .site-footer,
  .scroll-progress {
    display: none;
  }

  body {
    padding-top: 0;
    background: #fff;
    color: #000;
  }
}