:root {
  --c-navy: #0A192F;
  --c-green: #004D40;
  --c-wine: #722F37;
  --c-gold: #C9A227;
  --c-cream: #F5F0E6;
  --c-white: #FFFFFF;
  --c-slate: #5A6B7A;
  --c-red: #E53935;
  --c-navy-light: #10233D;
  --c-teal: #00695C;
  --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --header-h: 72px;
  --content-max: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-cream);
  background: var(--c-navy);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 300;
  line-height: 1.25;
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 7vw, 80px);
  color: var(--c-white);
  letter-spacing: 0.01em;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 48px);
  color: var(--c-white);
}

h3 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--c-white);
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

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

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

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

address {
  font-style: normal;
}

::selection {
  background: var(--c-gold);
  color: var(--c-navy);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--c-navy);
}

::-webkit-scrollbar-thumb {
  background: var(--c-navy-light);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-gold);
}

:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 4px;
  border-radius: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 3000;
  padding: 10px 18px;
  background: var(--c-gold);
  color: var(--c-navy);
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
  transform: translateY(-220%);
  transition: transform 0.25s var(--ease-out);
}

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

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1200;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--c-gold), var(--c-red));
  box-shadow: 0 0 12px rgba(201, 162, 39, 0.45);
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.88), rgba(10, 25, 47, 0));
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.site-header.is-scrolled {
  background: var(--c-navy);
  border-bottom-color: rgba(201, 162, 39, 0.32);
  box-shadow: 0 6px 24px rgba(2, 8, 20, 0.4);
}

.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-brand__mark {
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, #E8C96A 0%, var(--c-gold) 60%, #9A7B1A 100%);
  transform: rotate(45deg);
  border-radius: 3px;
  box-shadow: 0 0 16px rgba(201, 162, 39, 0.45);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}

.site-brand:hover .site-brand__mark {
  transform: rotate(45deg) scale(1.12);
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-brand__name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: var(--c-white);
  transition: color 0.3s;
}

.site-brand:hover .site-brand__name {
  color: var(--c-gold);
}

.site-brand__sub {
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-gold);
  margin-top: 3px;
}

.site-nav__list {
  display: flex;
  align-items: center;
}

.site-nav__item + .site-nav__item {
  margin-left: 34px;
  position: relative;
}

.site-nav__item + .site-nav__item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 1px;
  height: 16px;
  background: linear-gradient(180deg, transparent, var(--c-gold), transparent);
  transform: translateY(-50%) rotate(13deg);
  opacity: 0.65;
}

.site-nav__link {
  display: inline-block;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-cream);
  position: relative;
  transition: color 0.2s;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.site-nav__link:hover {
  color: var(--c-gold);
}

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

.site-nav__link[aria-current="page"] {
  color: var(--c-white);
  font-weight: 600;
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--c-red);
  height: 2px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(245, 240, 230, 0.25);
  border-radius: 4px;
  transition: border-color 0.2s, background 0.2s;
}

.nav-toggle:hover {
  border-color: var(--c-gold);
  background: rgba(201, 162, 39, 0.08);
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-cream);
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s, background 0.3s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: var(--c-gold);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: var(--c-gold);
}

.site-footer {
  background: var(--c-navy);
  border-top: 1px solid rgba(201, 162, 39, 0.25);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 260px;
  height: 260px;
  background: linear-gradient(150deg, rgba(114, 47, 55, 0.4), transparent 60%);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 64px var(--gutter) 32px;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: clamp(28px, 5vw, 64px);
  position: relative;
  z-index: 1;
}

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

.site-footer__brandline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-footer__mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, #E8C96A 0%, var(--c-gold) 70%, #9A7B1A 100%);
  transform: rotate(45deg);
  border-radius: 2px;
  flex-shrink: 0;
}

.site-footer__name {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--c-white);
  line-height: 1;
}

.site-footer__cn {
  font-size: 12px;
  letter-spacing: 0.55em;
  color: var(--c-gold);
  margin-top: 6px;
  margin-left: 4px;
}

.site-footer__tagline {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-slate);
  max-width: 360px;
  line-height: 1.8;
}

.site-footer__trust {
  margin-top: 20px;
  font-size: 12px;
  color: var(--c-slate);
  border-left: 2px solid var(--c-gold);
  padding-left: 14px;
  max-width: 340px;
  line-height: 1.8;
}

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

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

.site-footer__heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.site-footer__heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--c-wine);
  transform: skewX(-20deg);
}

.site-footer__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-cream);
  padding: 3px 0;
  letter-spacing: 0.02em;
}

.site-footer__address {
  font-size: 13px;
  color: var(--c-slate);
  margin-top: 10px;
  line-height: 1.7;
}

.site-footer__note {
  display: block;
  font-size: 12px;
  color: var(--c-slate);
  margin-top: 14px;
  line-height: 1.7;
  max-width: 280px;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--c-cream);
  padding: 5px 0;
  position: relative;
  transition: color 0.2s;
}

.site-footer__link::before {
  content: "";
  width: 0;
  height: 1px;
  background: var(--c-gold);
  transition: width 0.25s var(--ease-out);
}

.site-footer__link:hover {
  color: var(--c-gold);
}

.site-footer__link:hover::before {
  width: 14px;
}

.site-footer__bottom {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(245, 240, 230, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--c-slate);
  position: relative;
  z-index: 1;
}

.site-footer__icp {
  letter-spacing: 0.06em;
}

.site-footer__year {
  color: var(--c-slate);
}

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}

.container--narrow {
  max-width: 920px;
}

.page-hero {
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 56px) 0 72px;
}

.section {
  padding: clamp(72px, 10vw, 128px) 0;
  position: relative;
}

.section--tint-green {
  background: var(--c-green);
}

.section--tint-wine {
  background: var(--c-wine);
}

.section--tint-navy-light {
  background: var(--c-navy-light);
}

.section__head {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 44px;
  border-bottom: 1px solid rgba(245, 240, 230, 0.08);
  padding-bottom: 18px;
}

.section__kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-gold);
  letter-spacing: 0.08em;
  white-space: nowrap;
  line-height: 1.6;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 200;
  color: var(--c-white);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.section__title::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--c-wine);
  margin-left: 14px;
  transform: rotate(45deg) translateY(-4px);
  vertical-align: middle;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--c-gold);
  color: var(--c-navy);
}

.btn--primary:hover {
  background: #E0B737;
}

.btn--secondary {
  background: var(--c-wine);
  color: var(--c-white);
}

.btn--secondary:hover {
  background: #843A45;
}

.btn--ghost {
  border-color: rgba(245, 240, 230, 0.35);
  color: var(--c-cream);
}

.btn--ghost:hover {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--c-slate);
  letter-spacing: 0.08em;
  padding: 18px 0;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--c-gold);
  display: inline-block;
  transform: skewX(-15deg);
}

.breadcrumb__link {
  color: var(--c-slate);
  transition: color 0.2s;
}

.breadcrumb__link:hover {
  color: var(--c-gold);
}

.breadcrumb__current {
  color: var(--c-cream);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

.grid__span-3 {
  grid-column: span 3;
}

.grid__span-4 {
  grid-column: span 4;
}

.grid__span-6 {
  grid-column: span 6;
}

.grid__span-8 {
  grid-column: span 8;
}

.grid__span-9 {
  grid-column: span 9;
}

.card {
  position: relative;
  background: var(--c-navy-light);
  border-radius: 2px;
  border: 1px solid rgba(245, 240, 230, 0.06);
  padding: 28px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--c-gold);
  transition: height 0.3s var(--ease-out);
}

.card:hover {
  border-color: rgba(201, 162, 39, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(2, 8, 20, 0.35);
}

.card:hover::before {
  height: 100%;
}

.card__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--c-white);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-slate);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.card__body {
  font-size: 14px;
  color: var(--c-cream);
  opacity: 0.85;
  line-height: 1.7;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  border-radius: 2px;
  text-transform: uppercase;
  background: var(--c-navy-light);
  color: var(--c-slate);
  border: 1px solid rgba(245, 240, 230, 0.15);
  line-height: 1.5;
}

.badge--live {
  background: rgba(229, 57, 53, 0.15);
  color: var(--c-red);
  border-color: rgba(229, 57, 53, 0.4);
}

.badge--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-red);
  animation: pulse 1.6s infinite;
}

.badge--gold {
  background: rgba(201, 162, 39, 0.12);
  color: var(--c-gold);
  border-color: rgba(201, 162, 39, 0.35);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 4px 12px;
  background: rgba(0, 77, 64, 0.6);
  color: var(--c-cream);
  border-radius: 100px;
  border: 1px solid rgba(0, 105, 92, 0.5);
  margin: 0 8px 8px 0;
  transition: border-color 0.2s, color 0.2s;
}

.tag:hover {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.data-list {
  width: 100%;
  border-collapse: collapse;
}

.data-list th,
.data-list td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(245, 240, 230, 0.08);
  font-size: 14px;
}

.data-list thead th {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gold);
  background: rgba(10, 25, 47, 0.6);
}

.data-list tbody tr {
  transition: background 0.2s;
}

.data-list tbody tr:hover {
  background: rgba(201, 162, 39, 0.06);
}

.data-list td.data-list__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.img-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-navy-light) 0%, var(--c-green) 100%);
  border-radius: 4px;
  width: 100%;
}

.img-frame::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.img-frame--portrait::before {
  padding-top: 75%;
}

.img-frame--tall::before {
  padding-top: 120%;
}

.img-frame--square::before {
  padding-top: 100%;
}

.img-frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background:
    linear-gradient(110deg, rgba(114, 47, 55, 0.25) 0%, transparent 40%),
    repeating-linear-gradient(135deg, transparent 0 10px, rgba(245, 240, 230, 0.03) 10px 11px);
  pointer-events: none;
}

.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--c-gold) 0%, rgba(201, 162, 39, 0.1) 40%, transparent 80%);
  margin: 40px 0;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}

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

@media (max-width: 1120px) {
  .grid__span-3 {
    grid-column: span 6;
  }

  .grid__span-4 {
    grid-column: span 6;
  }

  .grid__span-6 {
    grid-column: span 12;
  }

  .grid__span-8,
  .grid__span-9 {
    grid-column: span 12;
  }

  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 920px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    width: min(360px, 85vw);
    background: var(--c-navy);
    border-left: 1px solid rgba(201, 162, 39, 0.3);
    padding: 32px var(--gutter);
    transform: translateX(102%);
    transition: transform 0.35s var(--ease-out);
    box-shadow: -16px 0 40px rgba(2, 8, 20, 0.5);
    overflow-y: auto;
    z-index: 999;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__item + .site-nav__item {
    margin-left: 0;
  }

  .site-nav__item + .site-nav__item::before {
    display: none;
  }

  .site-nav__item {
    border-bottom: 1px solid rgba(245, 240, 230, 0.08);
  }

  .site-nav__link {
    display: block;
    padding: 16px 4px;
    font-size: 18px;
  }

  .site-nav__link::after {
    display: none;
  }

  .site-nav__link[aria-current="page"] {
    color: var(--c-gold);
    border-left: 3px solid var(--c-gold);
    padding-left: 14px;
    background: linear-gradient(90deg, rgba(201, 162, 39, 0.08), transparent);
  }

  .grid {
    gap: 24px;
  }

  .grid__span-3,
  .grid__span-4,
  .grid__span-6,
  .grid__span-8,
  .grid__span-9 {
    grid-column: span 12;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .site-brand__name {
    font-size: 18px;
  }

  .site-brand__sub {
    font-size: 9px;
    letter-spacing: 0.3em;
  }

  .site-header__inner {
    padding: 0 16px;
  }

  .site-footer__inner {
    padding: 48px 16px 24px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }

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

  .skip-link {
    transition: none;
  }
}