:root {
  --deep-space: #0B1F3A;
  --navy: #123B6D;
  --glacier: #F2F5F9;
  --white: #FFFFFF;
  --ink: #111827;
  --gold: #F5B700;
  --gold-aura: #F8D56B;
  --vivid-orange: #FF6B35;
  --ember-orange: #E55B2B;
  --mist-cyan: #A0D2DB;
  --max-w: 78rem;
  --container-pad: 1.5rem;
  --font-head: 'Montserrat', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  --font-mono: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--glacier);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.25;
}

p {
  margin: 0;
}

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

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

address {
  font-style: normal;
}

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

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

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

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  border-radius: 0.375rem;
  background: var(--gold);
  color: var(--deep-space);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.24);
  opacity: 0;
  transform: translateY(-160%);
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.site-header {
  position: relative;
  background-color: var(--deep-space);
  background-image:
    radial-gradient(circle at 12% 15%, rgba(160, 210, 219, 0.14) 0%, transparent 26%),
    radial-gradient(circle at 88% 2%, rgba(245, 183, 0, 0.1) 0%, transparent 30%);
  color: var(--white);
}

.site-header::before {
  content: '';
  display: block;
  height: 0.25rem;
  background: linear-gradient(90deg, var(--gold-aura) 0%, var(--gold) 20%, var(--vivid-orange) 65%, var(--ember-orange) 100%);
}

.site-header::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(245, 183, 0, 0.06) 0%, transparent 30%, transparent 70%, rgba(160, 210, 219, 0.06) 100%);
}

.masthead,
.header-navbar {
  position: relative;
  z-index: 1;
}

.masthead {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: var(--space-7) var(--container-pad) var(--space-5);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-5);
}

.masthead-meta,
.masthead-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.masthead-meta {
  justify-content: flex-start;
}

.masthead-actions {
  justify-content: flex-end;
}

.masthead-serial,
.masthead-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist-cyan);
}

.masthead-serial {
  color: var(--gold);
  font-weight: 500;
}

.masthead-rule {
  display: block;
  width: 2.5rem;
  height: 1px;
  background: rgba(255, 255, 255, 0.22);
}

.masthead-index {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  padding-left: var(--space-4);
}

.masthead-count {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  color: var(--gold);
}

.masthead-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  color: var(--white);
}

.brand-symbol {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.375rem 0.375rem 0.375rem 0;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-aura) 100%);
  color: var(--deep-space);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  box-shadow: 0 0.5rem 1rem rgba(245, 183, 0, 0.18);
}

.brand-text {
  display: grid;
  gap: 0.125rem;
}

.brand-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.875rem;
  line-height: 1.05;
  letter-spacing: 0.03em;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mist-cyan);
  border-left: 2px solid var(--gold);
  padding-left: 0.5rem;
}

.header-navbar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.1);
}

.header-navbar-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 0 var(--container-pad);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
}

.site-nav {
  flex: 1 1 auto;
}

.nav-list {
  display: flex;
  justify-content: center;
  align-items: stretch;
}

.nav-item {
  display: flex;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9375rem 1.125rem;
  color: rgba(242, 245, 249, 0.78);
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease, border-bottom-color 0.2s ease;
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--gold);
  opacity: 0.85;
}

.nav-link:hover {
  color: var(--white);
  background-color: rgba(255, 255, 255, 0.045);
  border-bottom-color: var(--gold);
}

.nav-link[aria-current="page"] {
  color: var(--white);
  border-bottom-color: var(--vivid-orange);
}

.nav-link[aria-current="page"] .nav-index {
  color: var(--vivid-orange);
  opacity: 1;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
  padding: 0.625rem 0.25rem 0.625rem 0.875rem;
  border-radius: 0.375rem;
}

.nav-toggle-box {
  display: grid;
  gap: 0.25rem;
}

.toggle-bar {
  display: block;
  width: 1.375rem;
  height: 2px;
  background: var(--gold);
  transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.nav-toggle-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist-cyan);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

.scroll-progress {
  --progress: 0;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 150;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.scroll-progress::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--progress));
  transform-origin: 0 0;
  background: linear-gradient(90deg, var(--gold), var(--vivid-orange));
}

.site-footer {
  position: relative;
  background-color: var(--deep-space);
  background-image:
    radial-gradient(circle at 88% 8%, rgba(245, 183, 0, 0.08) 0%, transparent 28%),
    radial-gradient(circle at 6% 100%, rgba(160, 210, 219, 0.06) 0%, transparent 24%);
  color: rgba(242, 245, 249, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(105deg, rgba(245, 183, 0, 0.035) 0%, transparent 32%, transparent 72%, rgba(160, 210, 219, 0.05) 100%);
}

.footer-top,
.footer-bottom {
  position: relative;
  z-index: 1;
}

.footer-top {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: var(--space-8) var(--container-pad) var(--space-7);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-6);
}

.footer-intro .footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand .brand-symbol {
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1rem;
}

.footer-brand .brand-name {
  font-size: 1.625rem;
  color: var(--white);
}

.footer-brand .brand-tagline {
  color: var(--gold);
}

.footer-statement {
  margin-top: var(--space-4);
  max-width: 26rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(242, 245, 249, 0.62);
}

.footer-nav,
.footer-col {
  min-width: 0;
}

.footer-heading {
  margin-bottom: var(--space-3);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-list li + li {
  margin-top: 0.625rem;
}

.footer-list a {
  display: inline-flex;
  color: rgba(242, 245, 249, 0.72);
  font-size: 0.9375rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-list a::before {
  content: '— ';
  font-family: var(--font-mono);
  color: var(--gold);
  opacity: 0.65;
}

.footer-list a:hover {
  color: var(--white);
  transform: translateX(0.25rem);
}

.footer-address {
  display: grid;
  gap: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(242, 245, 249, 0.72);
  word-break: break-word;
}

.footer-hours {
  margin-top: var(--space-4);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(242, 245, 249, 0.5);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.18);
}

.footer-bottom-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 1rem var(--container-pad);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.375rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(242, 245, 249, 0.55);
}

.footer-copy,
.footer-icp {
  margin: 0;
}

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

.section {
  padding-block: var(--space-8) var(--space-7);
}

.section-head {
  max-width: 42rem;
  margin-bottom: var(--space-5);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.875rem, 3vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--deep-space);
  line-height: 1.15;
}

.section-title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  margin-top: 0.75rem;
  background: linear-gradient(90deg, var(--gold), var(--vivid-orange));
}

.section-lede {
  margin-top: 0.75rem;
  max-width: 36rem;
  color: rgba(17, 24, 39, 0.68);
}

.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 56rem) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 40rem) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: minmax(0, 1fr);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: 0.375rem;
  border: 1px solid transparent;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--vivid-orange) 0%, var(--ember-orange) 100%);
  color: var(--white);
  box-shadow: 0 0.5rem 1.25rem rgba(255, 107, 53, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 0.75rem 1.75rem rgba(255, 107, 53, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 0.25rem 0.75rem rgba(255, 107, 53, 0.3);
}

.btn-ghost {
  border-color: rgba(11, 31, 58, 0.25);
  color: var(--deep-space);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--deep-space);
  background: var(--deep-space);
  color: var(--white);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding-block: 1rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
}

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

.breadcrumbs li + li::before {
  content: '/';
  margin-inline: 0.5rem;
  color: var(--gold);
}

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

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

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

.panel {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 0.875rem;
  box-shadow: 0 1rem 2.5rem rgba(11, 31, 58, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.panel-pad {
  padding: var(--space-6);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 31, 58, 0.16);
  background: var(--white);
  color: var(--deep-space);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.tag-gold {
  border-color: var(--gold);
  background: rgba(245, 183, 0, 0.1);
  color: #6d5205;
}

.tag-orange {
  border-color: var(--vivid-orange);
  background: rgba(255, 107, 53, 0.1);
  color: var(--ember-orange);
}

.media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 0.875rem;
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy), var(--deep-space));
}

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

.media-frame--wide {
  aspect-ratio: 21 / 9;
}

.media-frame--portrait {
  aspect-ratio: 4 / 5;
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 72rem) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .nav-link {
    padding: 0.875rem 0.75rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 47.99rem) {
  .masthead {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: var(--space-5);
    padding-bottom: var(--space-4);
    gap: 0.25rem;
  }

  .masthead-meta,
  .masthead-actions {
    display: none;
  }

  .masthead-brand {
    flex-direction: column;
    gap: 0.5rem;
  }

  .brand-text {
    justify-items: center;
  }

  .brand-symbol {
    width: 2.625rem;
    height: 2.625rem;
    font-size: 1rem;
  }

  .brand-name {
    font-size: 1.375rem;
  }

  .brand-tagline {
    border-left: none;
    padding-left: 0;
  }

  .header-navbar-inner {
    justify-content: flex-end;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    display: none;
    flex-direction: column;
    background: var(--navy);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 1.5rem 2rem rgba(0, 0, 0, 0.32);
  }

  .site-nav[data-open] {
    display: block;
  }

  .nav-list {
    display: grid;
  }

  .nav-item {
    display: block;
  }

  .nav-link {
    justify-content: flex-start;
    padding: 0.875rem var(--container-pad);
    border-bottom: 1px solid rgba(255, 255, 255, 0.075);
    border-left: 2px solid transparent;
  }

  .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.04);
    border-left-color: var(--gold);
  }

  .nav-link[aria-current="page"] {
    border-left-color: var(--vivid-orange);
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    padding-top: var(--space-7);
    padding-bottom: var(--space-6);
    gap: var(--space-6);
  }

  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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

  .scroll-progress {
    display: none;
  }
}