:root {
  --bg-deep: #0B1F3A;
  --bg-panel: #123156;
  --bg-panel-2: #1E4D7A;
  --bg-soft: #2A5A8A;
  --purple: #7B2FBE;
  --purple-bright: #A855F7;
  --green: #C6FF00;
  --text-strong: #E6F1FF;
  --text-muted: #B0C4DE;
  --line: rgba(168, 85, 247, 0.45);
  --line-green: rgba(198, 255, 0, 0.45);
  --gradient: linear-gradient(135deg, #0B1F3A, #7B2FBE);
  --rail-width: 280px;
  --header-h-mobile: 72px;
  --content-width: 1180px;
  --radius-cut: 12px 0 12px 0;
  --radius-panel: 16px 0 16px 0;
  --shadow-deep: 0 16px 50px rgba(2, 8, 20, 0.55);
  --font-display: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Microsoft YaHei", "PingFang SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--purple-bright) var(--bg-deep);
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-deep);
  color: var(--text-strong);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, ul, ol, address {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

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

a:hover {
  color: var(--green);
}

button {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

::selection {
  background: var(--green);
  color: var(--bg-deep);
}

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

#main-content {
  display: block;
  min-height: 70vh;
  outline: none;
  scroll-margin-top: calc(var(--header-h-mobile) + 10px);
}

@media (min-width: 1024px) {
  body {
    padding-left: var(--rail-width);
  }

  #main-content {
    scroll-margin-top: 10px;
  }
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.55rem 1rem;
  background: var(--green);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  border-radius: var(--radius-cut);
  transform: translateY(calc(-100% - 2rem));
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

.scroll-progress {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  width: 3px;
  pointer-events: none;
  background: rgba(198, 255, 0, 0.12);
  box-shadow: 0 0 12px rgba(198, 255, 0, 0.35);
  transform: scaleY(var(--progress, 0));
  transform-origin: top;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 300;
  display: flex;
  width: var(--rail-width);
  background-color: var(--bg-deep);
  background-image: linear-gradient(180deg, rgba(18, 49, 86, 0.96) 0%, rgba(11, 31, 58, 0.96) 55%, rgba(123, 47, 190, 0.55) 140%);
  border-right: 1px solid var(--line);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(123, 47, 190, 0.3), transparent 45%);
}

.site-header__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 1.5rem 1rem 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  color: var(--text-strong);
}

.brand:hover {
  color: var(--text-strong);
}

.brand__mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 52px;
  height: 52px;
  background: var(--gradient);
  color: var(--green);
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: 1.25rem;
  border: 1px solid rgba(168, 85, 247, 0.55);
  border-radius: 14px 0 14px 0;
  box-shadow: 0 8px 24px rgba(123, 47, 190, 0.35);
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand__tagline {
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.4;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-cut);
  color: var(--text-strong);
  background: rgba(123, 47, 190, 0.08);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--purple-bright);
  background: rgba(123, 47, 190, 0.22);
}

.nav-toggle__icon {
  position: relative;
  width: 22px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: background 0.2s ease;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: top 0.25s ease, transform 0.25s ease;
}

.nav-toggle__icon::before {
  top: -7px;
}

.nav-toggle__icon::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-toggle__text {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.site-nav__list {
  display: grid;
  gap: 0.25rem;
}

.site-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius-cut);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.site-nav a::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--purple-bright);
  border-right: 1px solid var(--purple-bright);
  opacity: 0.55;
  transform: rotate(45deg);
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.site-nav a:hover {
  color: var(--text-strong);
  background: rgba(123, 47, 190, 0.2);
  border-color: rgba(168, 85, 247, 0.3);
  padding-left: 1rem;
}

.site-nav a[aria-current="page"] {
  color: var(--green);
  background: rgba(198, 255, 0, 0.08);
  border-color: rgba(198, 255, 0, 0.32);
}

.site-nav a[aria-current="page"]::before {
  border-color: var(--green);
  opacity: 1;
}

.site-header__meta {
  display: grid;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-header__edition {
  opacity: 0.8;
}

.site-header__status {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--green);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(198, 255, 0, 0.8);
}

.site-footer {
  position: relative;
  margin-top: 6rem;
  background-color: var(--bg-deep);
  background-image: linear-gradient(180deg, rgba(11, 31, 58, 0), rgba(11, 31, 58, 0.98));
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(123, 47, 190, 0.16), transparent 38%);
}

.site-footer__inner {
  position: relative;
  width: min(calc(100% - 3rem), var(--content-width));
  margin-inline: auto;
  padding: 3.5rem 0 2rem;
}

.site-footer__top {
  display: grid;
  gap: 2.8rem;
}

.site-footer__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: 2rem;
  letter-spacing: 0.04em;
  color: var(--text-strong);
  line-height: 1.2;
}

.site-footer__tagline {
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer__trust {
  max-width: 32rem;
  margin-top: 1.25rem;
  padding-left: 1rem;
  border-left: 3px solid var(--purple-bright);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}

.site-footer__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(168, 85, 247, 0.7), transparent);
}

.site-footer__nav-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem 0.9rem;
}

.site-footer__nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.site-footer__nav-list a::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--green);
  border-right: 1px solid var(--green);
  opacity: 0.7;
  transform: rotate(45deg);
}

.site-footer__nav-list a:hover {
  color: var(--green);
  padding-left: 0.3rem;
}

.site-footer__address {
  display: grid;
  gap: 0.45rem;
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer__address span {
  display: block;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.site-footer__legal a {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0 8px 0 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-footer__legal a:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(198, 255, 0, 0.06);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.site-footer__copyright,
.site-footer__icp {
  margin: 0;
}

.site-footer__icp {
  letter-spacing: 0.08em;
}

.container {
  width: min(calc(100% - 3rem), var(--content-width));
  margin-inline: auto;
}

.container--narrow {
  max-width: 780px;
}

.site-main {
  display: block;
  min-height: 70vh;
}

.section {
  padding-block: 4rem 2rem;
}

.section--tight {
  padding-block: 2.5rem 1rem;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
}

.kicker::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: var(--green);
}

.display-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text-strong);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.grid--3 {
  grid-template-columns: 1fr;
}

.window-frame {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line);
  border-radius: 0 28px 0 28px;
  background: linear-gradient(145deg, rgba(18, 49, 86, 0.72), rgba(123, 47, 190, 0.12));
  box-shadow: var(--shadow-deep);
}

.window-frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 2rem;
  width: 64px;
  height: 3px;
  background: var(--green);
}

.panel {
  position: relative;
  padding: 1.5rem;
  background: linear-gradient(145deg, rgba(18, 49, 86, 0.88), rgba(30, 77, 122, 0.35));
  border: 1px solid rgba(168, 85, 247, 0.35);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-deep);
}

.panel--cut::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 44px;
  height: 44px;
  background: linear-gradient(225deg, var(--green) 50%, transparent 50%);
  opacity: 0.55;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-cut);
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.02em;
  line-height: 1.2;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.button--primary {
  background: var(--green);
  color: var(--bg-deep);
  box-shadow: 0 8px 30px rgba(198, 255, 0, 0.16);
}

.button--primary:hover {
  background: #DDFF5C;
  color: var(--bg-deep);
  box-shadow: 0 12px 40px rgba(198, 255, 0, 0.24);
  transform: translateY(-2px);
}

.button--ghost {
  border-color: rgba(168, 85, 247, 0.65);
  color: var(--text-strong);
  background: rgba(123, 47, 190, 0.08);
}

.button--ghost:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(123, 47, 190, 0.22);
  transform: translateY(-2px);
}

.metric {
  padding: 1.5rem;
  border-left: 3px solid var(--green);
  background: linear-gradient(135deg, rgba(18, 49, 86, 0.9), rgba(123, 47, 190, 0.12));
  border-radius: 0 14px 0 14px;
}

.metric__value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1;
  color: var(--green);
}

.metric__label {
  display: block;
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.img-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #123156, #7B2FBE);
  border: 1px solid rgba(168, 85, 247, 0.45);
  border-radius: 0 20px 0 20px;
}

.img-frame::after {
  content: "";
  display: block;
  padding-bottom: 62.5%;
}

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

.img-frame__label {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 2;
  padding: 0.35rem 0.75rem;
  background: rgba(11, 31, 58, 0.88);
  color: var(--green);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  border-radius: 0 8px 0 8px;
}

.tag {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 0.25rem 0.6rem;
  background: rgba(123, 47, 190, 0.18);
  border: 1px solid rgba(168, 85, 247, 0.45);
  border-radius: 0 8px 0 8px;
  color: var(--text-strong);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.tag--green {
  background: rgba(198, 255, 0, 0.1);
  border-color: rgba(198, 255, 0, 0.4);
  color: var(--green);
}

.note {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--green);
  background: rgba(123, 47, 190, 0.08);
  color: var(--text-muted);
  font-size: 0.9rem;
  border-radius: 0 12px 0 12px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.75rem;
  color: var(--purple-bright);
}

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

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

.text-muted {
  color: var(--text-muted);
}

.text-green {
  color: var(--green);
}

.vertical-note {
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-left: 1px solid var(--line);
  padding-left: 0.5rem;
}

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

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (min-width: 720px) {
  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 1024px) {
  .site-footer__top {
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 3.5rem;
  }

  .site-nav {
    display: flex;
    flex: 1;
    min-height: 0;
    margin-top: 2.5rem;
  }

  .site-nav__list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
  }

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

@media (max-width: 1023.98px) {
  .site-header {
    position: sticky;
    top: 0;
    bottom: auto;
    width: 100%;
    min-height: var(--header-h-mobile);
    height: auto;
    background-color: rgba(11, 31, 58, 0.96);
    background-image: linear-gradient(180deg, rgba(11, 31, 58, 0.96), rgba(18, 49, 86, 0.9));
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .site-header__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--header-h-mobile);
    height: auto;
    padding: 0.65rem 1rem;
  }

  .site-header__meta {
    display: none;
  }

  .scroll-progress {
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: 3px;
    transform: scaleX(var(--progress, 0));
    transform-origin: left;
  }

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

  .site-nav {
    position: fixed;
    top: var(--header-h-mobile);
    left: 0;
    bottom: 0;
    z-index: 250;
    display: block;
    width: min(86vw, 320px);
    max-height: none;
    padding: 1.25rem 1rem;
    overflow-y: auto;
    background: linear-gradient(180deg, rgba(18, 49, 86, 0.99), rgba(11, 31, 58, 0.99));
    border-right: 1px solid var(--line);
    box-shadow: var(--shadow-deep);
    transform: translateX(-105%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0.3s ease;
  }

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

@media (max-width: 560px) {
  .brand__mark {
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }

  .brand__tagline {
    max-width: 130px;
  }
}

@media (max-width: 420px) {
  .nav-toggle__text {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

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