:root {
  --bg-deep: #0A1A2F;
  --bg-card: #132C45;
  --accent: #00E88F;
  --accent-2: #FF7A00;
  --text: #F4F7FC;
  --muted: #8CA3C0;
  --warning: #FFD166;
  --transparent-cyan: rgba(0, 232, 143, 0.15);
  --font-display: "Exo 2", "Rajdhani", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", monospace;
  --rail-width: 268px;
  --mobile-header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(circle at 18% 8%, rgba(0, 232, 143, 0.1), transparent 34%),
    radial-gradient(circle at 92% 4%, rgba(255, 122, 0, 0.08), transparent 26%),
    linear-gradient(160deg, rgba(0, 232, 143, 0.04) 0%, transparent 42%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  margin-left: 0;
  padding-top: var(--mobile-header-h);
}

@media (min-width: 961px) {
  body {
    margin-left: var(--rail-width);
    padding-top: 0;
  }
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

ul,
ol {
  list-style: none;
}

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

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

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

address {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  padding: 0.85rem 1.4rem;
  background: var(--accent);
  color: #001;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transform: translateY(-120%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--mobile-header-h);
  background: rgba(10, 26, 47, 0.86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 100;
}

@media (min-width: 961px) {
  .site-header {
    right: auto;
    bottom: 0;
    width: var(--rail-width);
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 0;
  }
}

.site-header-inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

@media (min-width: 961px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 1.5rem 1rem;
  }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.25rem 0.5rem;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--accent);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  clip-path: polygon(0 0, 100% 12%, 88% 100%, 0 100%);
}

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.brand-badge {
  margin-left: 0.35rem;
  padding: 0.12em 0.6em;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-2);
  background: rgba(255, 122, 0, 0.16);
  border: 1px solid rgba(255, 122, 0, 0.35);
  border-radius: 999px;
  vertical-align: middle;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  gap: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.site-header[data-open="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header[data-open="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header[data-open="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (min-width: 961px) {
  .nav-toggle {
    display: none;
  }
}

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  transform: translateX(-102%);
  visibility: hidden;
  transition: transform 0.3s ease, visibility 0.3s ease;
}

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

@media (max-width: 960px) {
  .site-nav {
    max-height: calc(100vh - var(--mobile-header-h));
    overflow-y: auto;
  }
}

@media (min-width: 961px) {
  .site-nav {
    position: static;
    visibility: visible;
    transform: none;
    background: transparent;
    border-bottom: 0;
    box-shadow: none;
  }
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
}

@media (min-width: 961px) {
  .nav-list {
    padding: 0.5rem 0 0;
    gap: 0.35rem;
  }
}

.nav-link {
  display: block;
  padding: 0.8rem 1rem;
  color: var(--muted);
  font-weight: 500;
  border-left: 3px solid transparent;
  border-radius: 12px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(0, 232, 143, 0.1);
}

.nav-link[aria-current="page"] {
  color: var(--text);
  background: var(--transparent-cyan);
  border-left-color: var(--accent);
  font-weight: 600;
}

.shortcut-hint {
  display: none;
  margin-top: auto;
  padding: 0.7rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 12px;
}

.shortcut-hint kbd {
  font-family: var(--font-mono);
  background: var(--bg-deep);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 0.05em 0.4em;
}

@media (min-width: 961px) {
  .shortcut-hint {
    display: block;
  }
}

.site-main {
  min-height: 70vh;
  position: relative;
}

.container {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
  padding-block: 2.5rem 1.5rem;
}

@media (min-width: 961px) {
  .container {
    width: min(1180px, calc(100% - 4rem));
    padding-block: 3.5rem 2.5rem;
  }
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 2.25rem;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--muted);
  opacity: 0.6;
  margin-right: 0.5rem;
}

.breadcrumbs a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.breadcrumbs a:hover {
  color: var(--accent);
}

.breadcrumbs [aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #001;
  background: var(--accent);
  border: 0;
  cursor: pointer;
  border-radius: 10px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px));
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 232, 143, 0.25);
  filter: brightness(1.05);
}

.btn-secondary {
  background: var(--accent-2);
  color: #1a0a00;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  box-shadow: 0 12px 24px rgba(255, 122, 0, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  box-shadow: inset 0 0 0 2px var(--accent);
  clip-path: none;
  border-radius: 999px;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(0, 232, 143, 0.1);
  box-shadow: inset 0 0 0 2px var(--accent);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 1.5rem;
}

.card-hover {
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.card-hover:hover {
  border-color: rgba(0, 232, 143, 0.45);
  transform: translateY(-4px);
  box-shadow: 0 18px 30px -20px rgba(0, 232, 143, 0.2);
}

.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin: 0 0 1.75rem;
}

.section-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  letter-spacing: 0.02em;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  color: var(--text);
}

.section-desc {
  max-width: 65ch;
  color: var(--muted);
}

.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  max-width: 22ch;
}

.page-lead {
  color: var(--muted);
  margin-top: 0.75rem;
  max-width: 65ch;
}

.metric {
  padding: 1.25rem;
}

.metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.2;
}

.metric-label {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
}

.tag::before {
  content: "";
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  background: var(--accent);
}

.tag-live {
  color: var(--text);
  background: var(--transparent-cyan);
  border-color: rgba(0, 232, 143, 0.35);
}

.tag-live::before {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.tag-version {
  color: var(--accent-2);
  border-color: rgba(255, 122, 0, 0.35);
}

.tag-version::before {
  background: var(--accent-2);
}

.figure-frame {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(19, 44, 69, 0.9), rgba(10, 26, 47, 0.9));
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.figure-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 232, 143, 0.18), transparent 45%),
    radial-gradient(circle at 10% 100%, rgba(255, 122, 0, 0.12), transparent 50%);
  animation: figure-pulse 6s ease-in-out infinite alternate;
}

@keyframes figure-pulse {
  0% {
    opacity: 0.8;
  }
  100% {
    opacity: 1;
  }
}

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

.split-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 961px) {
  .split-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 961px) {
  .dashboard-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

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

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.site-footer {
  position: relative;
  background: var(--bg-card);
  border-top: 2px solid rgba(0, 232, 143, 0.15);
  margin-top: 4rem;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
}

.footer-container {
  max-width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.75rem 0 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 641px) {
  .footer-container {
    grid-template-columns: 1.2fr 1.4fr 1fr;
    gap: 3rem;
  }
}

.footer-brand {
  margin-bottom: 1.25rem;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.footer-trust {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.8;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem 1rem;
}

.footer-link {
  display: block;
  padding: 0.35rem 0;
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-contact p {
  margin: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-contact address {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-legal {
  max-width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-copyright {
  margin-right: auto;
}

@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;
  }

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

  .figure-frame::after {
    animation: none;
  }
}