:root {
  --color-primary: #0A3D62;
  --color-primary-dark: #0D47A1;
  --color-accent: #FF6F00;
  --color-accent-light: #FF9100;
  --color-silver: #E0E0E0;
  --color-data: #00BFA5;
  --color-white: #FFFFFF;
  --color-black: #1B1B1B;
  --color-light-bg: #F5F5F5;
  --color-danger: #FF3D00;
  --color-gray-text: #B0BEC5;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --font-mono: "Fira Mono", "JetBrains Mono", "SF Mono", "Consolas", monospace;
  --size-h1: 3rem;
  --size-h2: 2.25rem;
  --size-h3: 1.5rem;
  --size-body: 1rem;
  --size-small: 0.875rem;
  --line-height-body: 1.6;
  --letter-spacing-heading: -0.01em;
  --max-width: 1200px;
  --nav-height: 64px;
  --radius-capsule: 32px;
  --radius-card: 8px;
  --shadow-nav: 0 4px 24px rgba(0,0,0,0.18);
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
  --transition-fast: 0.2s ease;
  --transition-med: 0.35s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); font-size: var(--size-body); line-height: var(--line-height-body); color: var(--color-black); background: var(--color-white); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent-light); }
a:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; font-style: italic; letter-spacing: var(--letter-spacing-heading); line-height: 1.2; color: var(--color-primary); }
h1 { font-size: var(--size-h1); }
h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); }
::selection { background: var(--color-accent); color: var(--color-white); }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 10000; background: var(--color-accent); color: var(--color-white); padding: 12px 24px; border-radius: var(--radius-capsule); font-weight: 700; font-size: var(--size-small); transition: top var(--transition-fast); }
.skip-link:focus { top: 12px; }
.header-progress { position: fixed; top: 0; left: 0; width: 0; height: 4px; background: var(--color-accent); z-index: 1002; transition: width 0.15s linear; will-change: width; }
.site-header { position: fixed; top: 4px; left: 0; right: 0; z-index: 1000; background: var(--color-primary-dark); box-shadow: var(--shadow-nav); height: var(--nav-height); }
.header-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 100%; }
.nav-brand { display: flex; flex-direction: column; line-height: 1.1; flex-shrink: 0; }
.brand-name { font-family: var(--font-heading); font-weight: 800; font-style: italic; font-size: 1.35rem; color: var(--color-white); letter-spacing: var(--letter-spacing-heading); }
.brand-tagline { font-size: var(--size-small); color: var(--color-gray-text); font-weight: 400; letter-spacing: 0.3px; margin-top: 1px; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; align-items: center; width: 44px; height: 44px; background: transparent; border: none; cursor: pointer; gap: 5px; padding: 8px; border-radius: 8px; transition: background var(--transition-fast); }
.nav-toggle:hover { background: rgba(255,255,255,0.1); }
.nav-toggle:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.nav-toggle-icon { display: block; width: 24px; height: 3px; background: var(--color-white); border-radius: 3px; transition: transform var(--transition-med), opacity var(--transition-med); }
.nav-list-wrap { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-link { display: inline-block; padding: 8px 20px; font-family: var(--font-heading); font-weight: 600; font-size: var(--size-small); color: var(--color-white); border-radius: var(--radius-capsule); transition: background var(--transition-fast), color var(--transition-fast); letter-spacing: 0.3px; }
.nav-link:hover { background: rgba(255,255,255,0.12); color: var(--color-white); }
.nav-link[aria-current="page"] { background: var(--color-accent); color: var(--color-white); }
.nav-link[aria-current="page"]:hover { background: var(--color-accent-light); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 32px; font-family: var(--font-heading); font-weight: 700; font-size: var(--size-body); border: none; border-radius: var(--radius-capsule); cursor: pointer; transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast); text-decoration: none; line-height: 1.2; }
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.btn-accent { background: var(--color-accent); color: var(--color-white); }
.btn-accent:hover { background: var(--color-accent-light); color: var(--color-white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,111,0,0.3); }
.btn-outline { background: transparent; color: var(--color-white); border: 2px solid var(--color-white); }
.btn-outline:hover { background: var(--color-white); color: var(--color-primary-dark); transform: translateY(-2px); }
.card { background: var(--color-light-bg); border-radius: var(--radius-card); padding: 24px; box-shadow: var(--shadow-card); border-left: 4px solid var(--color-accent); transition: transform var(--transition-fast), box-shadow var(--transition-fast); }
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
.badge { display: inline-block; padding: 4px 12px; font-size: var(--size-small); font-weight: 600; border-radius: var(--radius-capsule); background: var(--color-data); color: var(--color-white); }
.badge-accent { background: var(--color-accent); }
.badge-primary { background: var(--color-primary); }
.section-title { font-size: var(--size-h2); color: var(--color-primary); margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.section-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 60px; height: 4px; background: var(--color-accent); border-radius: 4px; }
.data-number { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 1.1em; font-weight: 600; color: var(--color-primary); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 16px 0; font-size: var(--size-small); color: var(--color-gray-text); }
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { color: var(--color-gray-text); }
.site-footer { background: var(--color-primary-dark); color: var(--color-white); padding: 60px 24px 32px; margin-top: 80px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-brand-link { display: inline-flex; flex-direction: column; margin-bottom: 16px; }
.footer-brand-name { font-family: var(--font-heading); font-weight: 800; font-style: italic; font-size: 1.5rem; color: var(--color-white); letter-spacing: var(--letter-spacing-heading); }
.footer-brand-tagline { font-size: var(--size-small); color: var(--color-gray-text); margin-top: 2px; }
.footer-statement { font-size: var(--size-small); color: var(--color-gray-text); line-height: 1.7; max-width: 400px; }
.footer-col-title { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; color: var(--color-white); margin-bottom: 16px; font-style: italic; }
.footer-contact-list li, .footer-links-list li { margin-bottom: 10px; font-size: var(--size-small); color: var(--color-gray-text); }
.footer-contact-list a, .footer-links-list a { color: var(--color-silver); transition: color var(--transition-fast); }
.footer-contact-list a:hover, .footer-links-list a:hover { color: var(--color-accent); }
.footer-bottom { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 16px; font-size: var(--size-small); color: var(--color-gray-text); }
.footer-icp { color: var(--color-gray-text); }
.footer-copy { color: var(--color-gray-text); }
@media (max-width: 768px) {
  .header-inner { padding: 0 16px; }
  .nav-toggle { display: flex; }
  .nav-list-wrap { position: fixed; top: calc(4px + var(--nav-height)); left: 0; right: 0; background: var(--color-primary-dark); padding: 16px 24px 24px; box-shadow: var(--shadow-nav); transform: translateY(-120%); opacity: 0; visibility: hidden; transition: transform var(--transition-med), opacity var(--transition-med), visibility var(--transition-med); border-radius: 0 0 16px 16px; }
  .nav-list-wrap[data-open] { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-list { flex-direction: column; gap: 8px; width: 100%; }
  .nav-link { width: 100%; text-align: center; padding: 12px 20px; font-size: 1rem; }
  .site-footer { padding: 40px 16px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-statement { max-width: 100%; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-bottom { grid-column: 1 / -1; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .header-progress { display: none; }
  .card:hover { transform: none; }
  .btn:hover { transform: none; }
}
@media print {
  .site-header, .header-progress { position: static; box-shadow: none; }
  .site-footer { margin-top: 40px; break-inside: avoid; }
  .nav-toggle { display: none !important; }
  .nav-link[aria-current="page"] { background: none; color: var(--color-black); border-bottom: 2px solid var(--color-black); }
}