:root {
  --color-black: #000000;
  --color-blue: #0A1F44;
  --color-blue-2: #122B52;
  --color-gold: #D4AF37;
  --color-gold-light: #E8C95F;
  --color-gold-deep: #8A6D1F;
  --color-ivory: #F7F3E8;
  --color-mist: #C7D3E6;
  --color-white: #FFFFFF;
  --color-paper: #F5E7C1;
  --font-heading: Impact, "Noto Serif SC", "Source Han Serif SC", "Microsoft YaHei", sans-serif;
  --font-body: "Songti SC", "SimSun", "Microsoft YaHei", sans-serif;
  --border-heavy: 3px solid var(--color-gold);
  --shadow-hard: 8px 8px 0 rgba(0, 0, 0, 0.85);
  --radius: 16px;
  --container: 1200px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
}

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

body, h1, h2, h3, h4, h5, h6, p, ul, ol, dl, figure, blockquote {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

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

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-black);
  color: var(--color-ivory);
  font-family: var(--font-body);
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-white);
}

h1 {
  font-size: 2.8rem;
  color: var(--color-gold-light);
}

h2 {
  font-size: 2.2rem;
}

h3 {
  font-size: 1.4rem;
  color: var(--color-gold);
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-gold);
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-gold-light);
}

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

.site-container {
  flex: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-3);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.88);
  padding: var(--space-2) var(--space-2) 0;
}

.site-header__inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
}

.site-header__cap {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-2) 100%);
  border: 3px solid var(--color-gold);
  border-radius: 22px;
  box-shadow: var(--shadow-hard);
  padding: var(--space-1) var(--space-2);
  min-height: 64px;
  overflow: hidden;
}

.site-header__cap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0, 0, 0, 0.07) 3px 6px);
  border-radius: inherit;
}

.site-brand {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.site-brand__logo {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-black);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: bold;
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  transform: rotate(-3deg);
  border: 2px solid var(--color-black);
  box-shadow: 3px 3px 0 var(--color-gold-deep);
}

.site-brand__name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-ivory);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.site-nav {
  position: relative;
  z-index: 1;
  flex-basis: 100%;
  display: none;
}

.site-nav[data-open] {
  display: block;
  animation: navIn 0.25s ease-out;
}

@keyframes navIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-nav__link {
  display: block;
  width: 100%;
  padding: 0.5rem 0.9rem;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--color-ivory);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
}

.site-nav__link[aria-current="page"] {
  background: var(--color-gold);
  color: var(--color-black);
  border-color: var(--color-gold);
}

.site-nav__link[aria-current="page"] .site-nav__num {
  color: var(--color-black);
}

.site-nav__num {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  color: var(--color-gold);
  margin-right: 0.25rem;
}

.site-header__actions {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

.site-badge {
  display: inline-block;
  background: var(--color-black);
  border: 2px solid var(--color-gold);
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  transform: rotate(-2deg);
  box-shadow: 2px 2px 0 var(--color-gold-deep);
  white-space: nowrap;
  animation: badgePulse 0.5s ease-out 2;
}

@keyframes badgePulse {
  0% {
    box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
  }
  100% {
    box-shadow: 0 0 14px 4px rgba(212, 175, 55, 0);
  }
}

.site-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--color-gold-deep);
  border-radius: 10px;
  background: var(--color-blue-2);
  gap: 5px;
}

.site-nav-toggle__box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.site-nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gold-light);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__vertical {
  position: absolute;
  top: 50%;
  right: -34px;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  background: var(--color-blue);
  border: 2px solid var(--color-gold-deep);
  border-radius: 6px;
  padding: 0.6rem 0.35rem;
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.6);
  white-space: nowrap;
}

.site-header__progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
  border-radius: 0 4px 4px 0;
  z-index: 5;
  transition: width 0.15s ease-out;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  background: var(--color-gold);
  color: var(--color-black);
  padding: 0.6rem 1.2rem;
  font-family: var(--font-heading);
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

.site-footer {
  position: relative;
  margin-top: auto;
  background: var(--color-blue);
  color: var(--color-ivory);
  border-top: 4px solid var(--color-gold);
}

.site-footer::before {
  content: "";
  display: block;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--color-gold) 0 10px, var(--color-blue-2) 10px 20px);
}

.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.5fr;
  gap: var(--space-4);
}

.site-footer__brand {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-gold-light);
  border-bottom: 3px solid var(--color-gold);
  padding-bottom: 0.2rem;
  letter-spacing: 0.05em;
}

.site-footer__tagline {
  margin-top: 0.8rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-white);
}

.site-footer__trust {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-mist);
  line-height: 1.6;
}

.site-footer__heading {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-gold-light);
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.site-footer__num {
  font-family: var(--font-heading);
  color: var(--color-gold);
  margin-right: 0.5rem;
}

.site-footer__list li {
  margin-bottom: 0.35rem;
}

.site-footer__list a {
  color: var(--color-mist);
  font-size: 0.9rem;
}

.site-footer__list a:hover {
  color: var(--color-gold-light);
}

.site-footer__contact-list li {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-mist);
  line-height: 1.6;
}

.site-footer__bottom {
  background: var(--color-black);
  color: var(--color-mist);
  border-top: 1px solid var(--color-blue-2);
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  font-size: 0.85rem;
}

.site-footer__copyright {
  margin: 0;
}

.site-footer__bottom a {
  color: var(--color-mist);
}

.site-footer__bottom a:hover {
  color: var(--color-gold-light);
}

.site-footer__sep {
  color: var(--color-gold-deep);
  margin: 0 0.3rem;
}

.site-footer__icp {
  font-family: var(--font-heading);
  letter-spacing: 0.06em;
  color: var(--color-gold-deep);
}

.site-btn {
  position: relative;
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-black);
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 0.7rem 1.7rem;
  border: 3px solid var(--color-black);
  border-radius: 4px;
  box-shadow: inset -3px -3px 0 rgba(0, 0, 0, 0.25), 5px 5px 0 rgba(0, 0, 0, 0.85);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  overflow: hidden;
  text-transform: uppercase;
}

.site-btn::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  right: 3px;
  height: 40%;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px 3px 0 0;
  pointer-events: none;
}

.site-btn:hover {
  transform: translate(3px, 3px);
  box-shadow: inset -3px -3px 0 rgba(0, 0, 0, 0.25), 2px 2px 0 rgba(0, 0, 0, 0.85);
  color: var(--color-black);
}

.site-btn--dark {
  background: var(--color-blue);
  color: var(--color-ivory);
  border-color: var(--color-gold);
  box-shadow: inset -3px -3px 0 rgba(0, 0, 0, 0.3), 5px 5px 0 var(--color-gold-deep);
}

.site-btn--dark:hover {
  color: var(--color-gold-light);
  transform: translate(3px, 3px);
  box-shadow: inset -3px -3px 0 rgba(0, 0, 0, 0.3), 2px 2px 0 var(--color-gold-deep);
}

.site-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-mist);
  padding: var(--space-1) 0 var(--space-2);
}

.site-breadcrumb a {
  color: var(--color-mist);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-breadcrumb a:hover {
  color: var(--color-gold-light);
}

.site-breadcrumb__sep {
  color: var(--color-gold-deep);
}

.site-panel {
  background: var(--color-blue);
  border: 2px solid var(--color-blue-2);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.4);
}

.site-panel--gold {
  border-color: var(--color-gold-deep);
}

.site-panel--light {
  background: var(--color-paper);
  color: var(--color-black);
}

.site-grid {
  display: grid;
  gap: var(--space-3);
}

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

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

.section-num {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-gold);
  margin-right: 0.5rem;
}

.site-kicker {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-deep);
  border-radius: 3px;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

.site-figure {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--color-blue-2);
  border: 2px solid var(--color-gold-deep);
  border-radius: 8px;
}

.site-figure--wide {
  aspect-ratio: 16 / 9;
}

.site-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-figure__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-blue), var(--color-blue-2));
  font-family: var(--font-heading);
  color: var(--color-gold-deep);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}

.site-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-blue), var(--color-blue-2));
  border: 2px dashed var(--color-gold-deep);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  color: var(--color-gold-deep);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (min-width: 768px) {
  .site-header {
    padding: var(--space-2) var(--space-2) var(--space-1);
  }

  .site-header__cap {
    flex-wrap: nowrap;
    padding: var(--space-1) var(--space-2);
  }

  .site-nav {
    flex-basis: auto;
    display: flex;
    margin-left: auto;
  }

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

  .site-nav__list {
    flex-direction: row;
    gap: 0.45rem;
  }

  .site-nav__link {
    width: auto;
    padding: 0.45rem 0.85rem;
  }

  .site-nav-toggle {
    display: none;
  }
}

@media (min-width: 1024px) {
  .site-header__cap {
    gap: var(--space-3);
    padding: var(--space-1) var(--space-2);
  }

  .site-brand__name {
    font-size: 1.25rem;
  }
}

@media (max-width: 900px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }

  .site-badge {
    display: none;
  }

  .site-header__brand-name {
    font-size: 1rem;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}