:root {
  --c-blue: #0A1D3A;
  --c-steel: #103A6B;
  --c-black: #050D17;
  --c-green: #C6FF00;
  --c-green-bright: #9EFF00;
  --c-orange: #FF7A00;
  --c-cyan: #00D4FF;
  --c-white: #F2F7FF;
  --c-gray: #A7B8CC;

  --font-headline: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", "Cascadia Mono", "Consolas", monospace;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --container: 1200px;
  --header-h: 74px;
  --space-1: 6px;
  --space-2: 14px;
  --space-3: 24px;
  --space-4: 44px;
  --space-5: 76px;
  --space-6: 120px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.18s var(--ease-out);
  --t-base: 0.28s var(--ease-out);
  --t-slow: 0.44s var(--ease-out);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-white);
  background-color: var(--c-blue);
  background-image:
    radial-gradient(ellipse 90% 55% at 90% -5%, rgba(16, 58, 107, 0.65) 0%, transparent 60%),
    radial-gradient(ellipse 75% 40% at -5% 40%, rgba(0, 212, 255, 0.05) 0%, transparent 55%),
    linear-gradient(rgba(167, 184, 204, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 184, 204, 0.035) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 64px 64px, 64px 64px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

ul, ol {
  list-style: none;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 3px;
  border-radius: 4px;
}

a, button {
  -webkit-tap-highlight-color: rgba(198, 255, 0, 0.12);
}

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

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  padding: 0.75rem 1.5rem;
  background: var(--c-green);
  color: var(--c-blue);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 0 0 var(--radius-pill) 0;
  transform: translateY(-110%);
  transition: transform var(--t-base);
}
.skip-link:focus-visible {
  transform: translateY(0);
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
  width: 100%;
}

.site-main {
  min-height: 65vh;
  position: relative;
}

.top-ticker {
  background: var(--c-black);
  color: var(--c-gray);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem max(1.5rem, calc((100vw - var(--container)) / 2 + 1.5rem));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgba(167, 184, 204, 0.08);
  flex-wrap: wrap;
  row-gap: 0.2rem;
}

.ticker-text {
  color: var(--c-gray);
  letter-spacing: 0.1em;
}
.ticker-text::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  margin-right: 0.6rem;
  vertical-align: middle;
  animation: ticker-dot 2.4s ease-in-out infinite;
}
@keyframes ticker-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(198, 255, 0, 0.45); }
  50% { opacity: 0.65; box-shadow: 0 0 0 5px rgba(198, 255, 0, 0); }
}

.ticker-search {
  color: var(--c-green);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: none;
  border-bottom: 1px solid rgba(198, 255, 0, 0.35);
  padding-bottom: 2px;
  white-space: nowrap;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.ticker-search:hover {
  color: var(--c-green-bright);
  border-color: currentColor;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  height: var(--header-h);
  background: rgba(10, 29, 58, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(198, 255, 0, 0.12);
  transition: background var(--t-base), box-shadow var(--t-base);
}
.site-header.is-scrolled {
  background: rgba(5, 13, 23, 0.94);
  box-shadow: 0 10px 40px rgba(5, 13, 23, 0.45);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--c-green) 0%, var(--c-cyan) 100%);
  border-radius: 0 3px 3px 0;
  z-index: 8;
  pointer-events: none;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  height: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  z-index: 5;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--c-green) 0%, var(--c-green-bright) 100%);
  color: var(--c-blue);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1;
  box-shadow: 0 0 24px rgba(198, 255, 0, 0.25);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.brand:hover .brand-mark {
  box-shadow: 0 0 32px rgba(198, 255, 0, 0.4);
  transform: rotate(-6deg);
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}
.brand-name {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: 0.05em;
  color: var(--c-white);
}
.brand-sub {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  color: var(--c-green);
}

.site-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.nav-link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--c-white);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color var(--t-base), background-color var(--t-base);
}
.nav-link:hover {
  color: var(--c-green);
  background: rgba(198, 255, 0, 0.08);
}
.nav-link[aria-current="page"] {
  background: var(--c-green);
  color: var(--c-blue);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(16, 58, 107, 0.55);
  border: 1px solid rgba(198, 255, 0, 0.18);
  position: relative;
  z-index: 6;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: background var(--t-base), border-color var(--t-base);
}
.nav-toggle:hover {
  background: rgba(16, 58, 107, 0.85);
  border-color: rgba(198, 255, 0, 0.45);
}
.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-green);
  border-radius: 2px;
  transition: transform 0.28s var(--ease-out), opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.4);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@keyframes ticker-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(198, 255, 0, 0.45); }
  50% { opacity: 0.65; box-shadow: 0 0 0 5px rgba(198, 255, 0, 0); }
}

.site-footer {
  background: var(--c-black);
  border-top: none;
  position: relative;
  margin-top: var(--space-6);
}
.site-footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green) 0%, transparent 35%, var(--c-orange) 65%, transparent 100%);
}

.footer-main {
  padding: var(--space-5) 0 var(--space-4);
  background: linear-gradient(170deg, var(--c-black) 0%, var(--c-blue) 55%, var(--c-blue) 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.1fr;
  gap: var(--space-4);
}

.footer-brand-block .brand {
  margin-bottom: 1rem;
}

.footer-about {
  color: var(--c-gray);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 1rem;
  max-width: 30em;
}

.footer-trust {
  color: rgba(167, 184, 204, 0.75);
  font-size: 0.82rem;
  line-height: 1.7;
  border-left: 3px solid var(--c-green);
  padding-left: 0.9rem;
  max-width: 34em;
}

.footer-links-block,
.footer-legal-block {
  display: flex;
  flex-direction: column;
}

.footer-heading {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-heading::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-orange);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.footer-links a {
  color: var(--c-gray);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--t-fast), padding-left var(--t-base);
}
.footer-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-green);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.footer-links a:hover {
  color: var(--c-green);
  padding-left: 0.35rem;
}
.footer-links a:hover::before {
  opacity: 1;
}

.footer-contact-block p {
  margin: 0 0 0.45rem;
  color: var(--c-gray);
  font-size: 0.9rem;
  line-height: 1.55;
}
.footer-contact-block .footer-phone {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-green);
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}
.footer-contact-block .footer-email,
.footer-contact-block .footer-support {
  color: var(--c-white);
  font-size: 0.88rem;
  word-break: break-all;
}
.footer-contact-block .footer-address {
  font-size: 0.86rem;
}
.footer-contact-block .footer-service {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--c-orange);
  border: 1px solid rgba(255, 122, 0, 0.28);
  border-radius: var(--radius-pill);
  padding: 0.2rem 0.9rem;
  background: rgba(255, 122, 0, 0.06);
  margin-top: 0.15rem;
}

.footer-bottom {
  border-top: 1px solid rgba(167, 184, 204, 0.12);
  padding: 1.1rem 0;
  background: var(--c-black);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--c-gray);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.1;
  color: var(--c-blue);
  background: var(--c-green);
  box-shadow: 0 6px 24px rgba(198, 255, 0, 0.18);
  white-space: nowrap;
  transition: transform var(--t-fast), box-shadow var(--t-base), background-color var(--t-base), border-color var(--t-base);
}
.btn:hover {
  background: var(--c-green-bright);
  box-shadow: 0 10px 32px rgba(198, 255, 0, 0.3);
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0) scale(0.97);
}
.btn-ghost {
  background: transparent;
  color: var(--c-green);
  border-color: rgba(198, 255, 0, 0.35);
  box-shadow: none;
}
.btn-ghost:hover {
  background: rgba(198, 255, 0, 0.08);
  border-color: var(--c-green);
  color: var(--c-green-bright);
  box-shadow: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-orange);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-orange);
}

.section-title {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.5vw, 2.85rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-white);
  margin: 0.75rem 0 1rem;
  max-width: 18ch;
}

.section-intro {
  color: var(--c-gray);
  font-size: 1.02rem;
  line-height: 1.75;
  max-width: 60ch;
  margin-bottom: var(--space-3);
}

.card {
  background: linear-gradient(155deg, rgba(16, 58, 107, 0.55) 0%, rgba(10, 29, 58, 0.18) 100%);
  border: 1px solid rgba(167, 184, 204, 0.14);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--t-base), transform var(--t-base), box-shadow var(--t-base);
}
.card:hover {
  border-color: rgba(198, 255, 0, 0.28);
  transform: translateY(-3px);
  box-shadow: 0 16px 44px rgba(5, 13, 23, 0.45);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.stat {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1;
  color: var(--c-green);
  letter-spacing: -0.04em;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--c-gray);
  margin-top: 0.5rem;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--c-gray);
  letter-spacing: 0.03em;
}
.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 10px rgba(198, 255, 0, 0.35);
}
.legend-dot--orange {
  background: var(--c-orange);
  box-shadow: 0 0 10px rgba(255, 122, 0, 0.3);
}
.legend-dot--cyan {
  background: var(--c-cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.route-track {
  counter-reset: route-counter;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.route-step {
  counter-increment: route-counter;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--c-white);
}
.route-step::before {
  content: counter(route-counter);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--c-steel);
  color: var(--c-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  border: 1px solid rgba(198, 255, 0, 0.3);
}
.route-step:not(:last-child)::after {
  content: "";
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green), transparent);
  margin-inline: 0.85rem;
  opacity: 0.55;
}

.figure {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-steel);
  aspect-ratio: 16 / 10;
}
.figure > img,
.figure > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 58, 107, 0) 40%, rgba(10, 29, 58, 0.4) 100%);
  pointer-events: none;
}
.figure-caption {
  position: absolute;
  left: 16px;
  bottom: 12px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-green);
  background: rgba(5, 13, 23, 0.6);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.75rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  padding: 1rem 0;
  font-size: 0.82rem;
  color: var(--c-gray);
}
.breadcrumb li + li::before {
  content: "/";
  margin: 0 0.4rem;
  color: rgba(167, 184, 204, 0.4);
}
.breadcrumb a {
  color: var(--c-gray);
  transition: color var(--t-fast);
}
.breadcrumb a:hover {
  color: var(--c-green);
}
.breadcrumb [aria-current="page"] {
  color: var(--c-white);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4) var(--space-3);
  }
}

@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(185deg, rgba(10, 29, 58, 0.98) 0%, rgba(16, 58, 107, 0.98) 100%);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-top: 0 solid rgba(198, 255, 0, 0.25);
    box-shadow: 0 28px 60px rgba(5, 13, 23, 0.5);
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    transition: max-height 0.44s var(--ease-out), padding 0.3s var(--ease-out), border-top-width 0.22s;
  }
  .site-nav[data-open] {
    max-height: min(480px, calc(100vh - var(--header-h) - 8px));
    padding: 0.75rem 1.5rem 1.75rem;
    border-top-width: 1px;
    overflow-y: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }
  .nav-item {
    border-bottom: 1px solid rgba(167, 184, 204, 0.07);
  }
  .nav-link {
    display: block;
    padding: 0.9rem 0.6rem;
    font-size: 1.08rem;
    border-radius: 12px;
  }
}

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

@media (max-width: 640px) {
  .ticker-search {
    display: none;
  }
  .top-ticker {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .header-inner {
    gap: 0.75rem;
  }
  .brand-sub {
    display: none;
  }
}

@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;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .ticker-text::before {
    animation: none;
    box-shadow: none;
  }
}