:root {
  --blue-900: #083a79;
  --blue-800: #004ca8;
  --blue-700: #0052d9;
  --blue-100: #e7f0ff;
  --blue-050: #f4f8ff;
  --ink-950: #14233a;
  --ink-800: #2a3b52;
  --ink-600: #617188;
  --ink-500: #78879a;
  --line: #dce5ef;
  --surface-soft: #f6f9fc;
  --container: 1280px;
  --card-radius: 10px;
  --shadow-card: 0 18px 38px rgba(17, 54, 103, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: #fff;
  color: var(--ink-950);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

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

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 8px 14px;
  transform: translateY(-160%);
  background: var(--blue-700);
  color: #fff;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: 72px;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.88);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, backdrop-filter 0.2s ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 4px 16px rgba(18, 48, 91, 0.06);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 38px;
}

.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 10px;
  color: var(--ink-950);
  font-size: 20px;
  font-weight: 760;
  letter-spacing: -0.035em;
}

.brand img {
  width: 34px;
  height: 34px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 29px;
  margin-left: auto;
  color: var(--ink-600);
  font-size: 14px;
  font-weight: 600;
}

.site-nav a {
  position: relative;
  transition: color 0.2s ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--blue-700);
  content: "";
  transition: transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--blue-700);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.source-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.source-icon {
  width: 14px;
  height: 14px;
  flex: none;
}

.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--ink-800);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 17px;
  height: 2px;
  margin: 3px auto;
  background: currentColor;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 650;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-small {
  min-height: 38px;
  padding-inline: 16px;
  font-size: 14px;
}

.button-primary {
  background: var(--blue-700);
  box-shadow: 0 10px 20px rgba(0, 82, 217, 0.18);
  color: #fff;
}

.button-primary:hover {
  background: var(--blue-800);
  box-shadow: 0 13px 24px rgba(0, 82, 217, 0.28);
}

.button-secondary {
  border-color: #bdcad8;
  background: #fff;
  color: var(--ink-800);
}

.button-secondary:hover {
  border-color: var(--blue-700);
  color: var(--blue-700);
}

.button-white {
  background: #fff;
  color: var(--blue-800);
}

.button-outline {
  border-color: rgba(255, 255, 255, 0.58);
  color: #fff;
}

.button-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 154px 0 98px;
  background: linear-gradient(116deg, #f8fbff 0%, #f8fbff 54%, #eef6ff 100%);
}

.hero::before {
  position: absolute;
  top: -380px;
  right: -250px;
  width: 760px;
  height: 760px;
  border: 1px solid rgba(0, 82, 217, 0.11);
  border-radius: 50%;
  box-shadow: 0 0 0 72px rgba(0, 82, 217, 0.025), 0 0 0 142px rgba(0, 82, 217, 0.018);
  content: "";
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 82, 217, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 82, 217, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.87fr) minmax(560px, 1.13fr);
  align-items: center;
  gap: 80px;
}

.eyebrow,
.section-label {
  margin: 0;
  color: var(--blue-700);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-700);
  box-shadow: 0 0 0 5px rgba(0, 82, 217, 0.1);
}

.hero h1 {
  margin: 21px 0 20px;
  color: var(--ink-950);
  font-size: clamp(48px, 4.5vw, 64px);
  font-weight: 740;
  letter-spacing: -0.065em;
  line-height: 1.1;
}

.hero h1 em {
  color: var(--blue-700);
  font-style: normal;
}

.hero-lead {
  max-width: 520px;
  margin: 0;
  color: var(--ink-600);
  font-size: 18px;
}

.hero-actions,
.closing-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  margin-top: 31px;
  color: var(--ink-500);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.tech-list span {
  display: flex;
  align-items: center;
}

.tech-list span + span::before {
  width: 1px;
  height: 13px;
  margin: 0 14px;
  background: #bdcad9;
  content: "";
}

.hero-screen {
  position: relative;
}

.terminal-head i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c7d2df;
}

.terminal-head i:first-child {
  background: #ef6f65;
}

.terminal-head i:nth-child(2) {
  background: #e5bb5c;
}

.terminal-head i:last-child {
  background: #59b884;
}

.hero-screen > img {
  width: 100%;
  height: auto;
}

.tech-strip {
  border-block: 1px solid var(--line);
  background: #fff;
}

.tech-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  color: var(--ink-500);
  font: 700 12px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.03em;
}

.tech-strip i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #afbdce;
}

.section {
  padding: 104px 0;
}

.section-heading {
  margin-bottom: 50px;
}

.heading-layout {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  margin-top: 12px;
}

.heading-layout h2,
.admin-copy h2,
.architecture-copy h2,
.start-copy h2,
.closing h2 {
  margin: 0;
  color: var(--ink-950);
  font-size: clamp(34px, 3.5vw, 48px);
  font-weight: 720;
  letter-spacing: -0.05em;
  line-height: 1.2;
}

.heading-layout > p {
  max-width: 415px;
  margin: 0 0 3px;
  color: var(--ink-600);
  font-size: 16px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.module-card {
  position: relative;
  min-height: 288px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: #a7c5ee;
  box-shadow: var(--shadow-card);
}

.module-index {
  position: absolute;
  top: 29px;
  right: 27px;
  color: #8dacd0;
  font: 700 12px/1 "SFMono-Regular", Consolas, monospace;
}

.module-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  background: var(--blue-100);
  color: var(--blue-700);
}

.module-icon svg {
  width: 23px;
  height: 23px;
}

.module-card h3 {
  margin: 23px 0 10px;
  font-size: 21px;
  letter-spacing: -0.025em;
}

.module-card p {
  margin: 0;
  color: var(--ink-600);
  font-size: 14px;
}

.admin-section {
  background: var(--surface-soft);
}

.admin-layout {
  display: grid;
  grid-template-columns: 1.16fr 0.84fr;
  align-items: center;
  gap: 74px;
}

.admin-image {
  padding: 17px;
  border: 1px solid #d7e1ec;
  background: #fff;
  box-shadow: var(--shadow-card);
}

.admin-image img {
  width: 100%;
  border: 1px solid #d9e3ed;
}

.admin-copy > p:not(.section-label),
.architecture-copy > p:not(.section-label),
.start-copy > p:not(.section-label) {
  margin: 19px 0 28px;
  color: var(--ink-600);
  font-size: 16px;
}

.admin-lists {
  display: grid;
  gap: 12px;
  margin: 0 0 30px;
}

.admin-lists > div {
  padding: 15px 17px;
  border: 1px solid var(--line);
  background: #fff;
}

.admin-lists strong,
.admin-lists span {
  display: block;
}

.admin-lists strong {
  color: var(--ink-950);
  font-size: 14px;
}

.admin-lists span {
  margin-top: 3px;
  color: var(--ink-600);
  font-size: 13px;
}

.architecture {
  overflow: hidden;
  background: var(--blue-900);
  color: #fff;
}

.architecture-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 94px;
}

.section-label-light {
  color: #9dc6f8;
}

.architecture-copy h2 {
  margin-top: 12px;
  color: #fff;
}

.architecture-copy > p:not(.section-label) {
  color: #bed3ec;
}

.text-link-light {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.text-link-light span {
  display: inline-block;
  margin-left: 4px;
  transition: transform 0.2s ease;
}

.text-link-light:hover span {
  transform: translateX(4px);
}

.architecture-map {
  padding: 30px;
  border: 1px solid rgba(214, 232, 252, 0.2);
  background: rgba(3, 31, 70, 0.32);
}

.map-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.map-entry span,
.map-infra span,
.map-block {
  padding: 17px;
  border: 1px solid rgba(205, 226, 250, 0.2);
  background: rgba(255, 255, 255, 0.045);
}

.map-entry span {
  color: #c6e0ff;
  font: 650 14px/1.3 "SFMono-Regular", Consolas, monospace;
  text-align: center;
}

.map-block small,
.map-block strong {
  display: block;
}

.map-block small {
  color: #86abd5;
  font: 10px/1 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.1em;
}

.map-block strong {
  margin-top: 7px;
  color: #fff;
  font-size: 13px;
}

.map-arrow {
  display: block;
  padding: 10px;
  color: #7da4d0;
  font-style: normal;
  text-align: center;
}

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

.map-infra span {
  color: #c1d6ee;
  font: 11px/1 "SFMono-Regular", Consolas, monospace;
  text-align: center;
}

.start-section {
  background: #fff;
}

.start-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  align-items: center;
  gap: 104px;
}

.start-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.start-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-800);
  font-size: 14px;
}

.start-steps b {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  background: var(--blue-100);
  color: var(--blue-700);
  font: 700 11px/1 "SFMono-Regular", Consolas, monospace;
}

.terminal {
  overflow: hidden;
  background: #10243f;
  box-shadow: 0 22px 44px rgba(18, 45, 79, 0.2);
  color: #d4e7fd;
}

.terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 18px;
  border-bottom: 1px solid rgba(202, 223, 247, 0.16);
  color: #a2bddb;
  font: 11px/1 "SFMono-Regular", Consolas, monospace;
}

.terminal-head span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.terminal-head button {
  border: 0;
  background: transparent;
  color: #91c2f5;
  cursor: pointer;
  font-size: 12px;
}

.terminal pre {
  overflow-x: auto;
  margin: 0;
  padding: 27px 29px;
  font: 14px/1.9 "SFMono-Regular", Consolas, monospace;
}

.terminal code span {
  display: block;
}

.terminal-comment {
  color: #7c9bbb;
}

.closing {
  padding: 0 0 100px;
  background: #fff;
}

.closing-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  padding: 50px 54px;
  background: linear-gradient(112deg, rgba(0, 82, 217, 0.16) 0%, transparent 46%), var(--blue-900);
  color: #fff;
}

.closing h2 {
  margin-top: 12px;
  color: #fff;
}

.closing p:not(.section-label) {
  margin: 11px 0 0;
  color: #c6d9ee;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 64px;
  padding: 63px 0 48px;
}

.footer-brand {
  margin-bottom: 15px;
}

.footer-intro p {
  max-width: 290px;
  margin: 0;
  color: var(--ink-600);
  font-size: 14px;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 10px;
  color: var(--ink-600);
  font-size: 13px;
}

.footer-links strong {
  margin-bottom: 5px;
  color: var(--ink-950);
  font-size: 14px;
}

.footer-links a:hover,
.filing-link:hover,
.company-link:hover {
  color: var(--blue-700);
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 19px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-500);
  font-size: 12px;
}

.footer-copyright {
  grid-column: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.company-link,
.filing-link,
.police-filing {
  color: inherit;
}

.footer-filings {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}

.police-filing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.police-filing img {
  width: auto;
  height: 16px;
}

.footer-meta {
  display: flex;
  gap: 16px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

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

.legal-page,
.not-found-page {
  min-height: 100vh;
  background: var(--surface-soft);
}

.legal-main {
  max-width: 820px;
  padding-top: 150px;
  padding-bottom: 96px;
}

.legal-main h1 {
  margin: 12px 0 0;
  font-size: 48px;
  letter-spacing: -0.04em;
}

.legal-updated,
.legal-main p {
  color: var(--ink-600);
}

.legal-main section {
  margin-top: 36px;
}

.legal-main h2 {
  font-size: 22px;
}

.not-found-page {
  display: grid;
  place-items: center;
  padding: 32px;
}

.not-found-card {
  max-width: 560px;
  text-align: center;
}

.not-found-card .brand {
  justify-content: center;
}

.not-found-card > strong {
  display: block;
  margin-top: 48px;
  color: var(--blue-700);
  font-size: 92px;
  line-height: 1;
}

.not-found-card h1 {
  font-size: 38px;
}

.not-found-card p {
  color: var(--ink-600);
}

.not-found-card > div {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

@media (max-width: 768px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .site-header {
    height: 64px;
  }

  .header-inner {
    gap: 12px;
  }

  .brand {
    font-size: 19px;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    right: 16px;
    left: 16px;
    display: none;
    gap: 0;
    margin: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow-card);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 11px 10px;
  }

  .site-nav a::after,
  .header-action {
    display: none;
  }

  .hero {
    padding: 111px 0 72px;
  }

  .hero-layout,
  .admin-layout,
  .architecture-layout,
  .start-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-copy {
    text-align: center;
  }

  .eyebrow,
  .hero-actions,
  .tech-list {
    justify-content: center;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.12;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .tech-strip {
    overflow-x: auto;
  }

  .tech-strip-inner {
    justify-content: flex-start;
    min-width: max-content;
    gap: 16px;
    min-height: 64px;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .heading-layout {
    display: block;
    margin-top: 10px;
  }

  .heading-layout h2,
  .admin-copy h2,
  .architecture-copy h2,
  .start-copy h2,
  .closing h2 {
    font-size: 34px;
  }

  .heading-layout > p {
    margin-top: 15px;
    font-size: 15px;
  }

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

  .module-card {
    min-height: 0;
  }

  .admin-image {
    padding: 10px;
  }

  .architecture-map {
    padding: 20px;
  }

  .map-row {
    grid-template-columns: 1fr;
  }

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

  .map-infra span {
    padding: 12px 5px;
    font-size: 10px;
  }

  .terminal pre {
    padding: 22px 20px;
    font-size: 12px;
  }

  .closing {
    padding-bottom: 76px;
  }

  .closing-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
    padding: 34px 25px;
  }

  .closing-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .closing-actions .button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px 20px;
    padding: 48px 0 38px;
  }

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

  .footer-bottom {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .footer-copyright {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .footer-filings {
    flex-wrap: wrap;
    gap: 8px 16px;
  }

  .footer-meta {
    flex-wrap: wrap;
    gap: 8px 16px;
  }

  .legal-main {
    padding-top: 120px;
    padding-bottom: 68px;
  }

  .legal-main h1 {
    font-size: 38px;
  }

  .not-found-card > strong {
    font-size: 72px;
  }

  .not-found-card > div {
    align-items: stretch;
    flex-direction: column;
  }
}

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

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

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