:root {
  --c-blue: #0A1F44;
  --c-blue-dark: #071632;
  --c-blue-light: #1E3A6E;
  --c-gold: #D4AF37;
  --c-gold-soft: #F5D78E;
  --c-red: #E63946;
  --c-red-soft: #FDE0E0;
  --c-sage: #2A9D8F;
  --c-ink: #2B2B2B;
  --c-gray: #F5F5F5;
  --c-white: #FFFFFF;
  --font-head: "思源黑体 ExtraBold", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Arial Black", sans-serif;
  --font-body: "思源宋体 Regular", "Source Han Serif SC", "Songti SC", "STSong", Georgia, serif;
  --font-num: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
  --header-h: 76px;
  --container: 1320px;
  --gutter: 24px;
  --section-pad: 72px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

a {
  color: inherit;
}

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

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 900;
  color: var(--c-blue);
  line-height: 1.18;
  letter-spacing: .02em;
}

h1 {
  font-size: clamp(34px, 5vw, 56px);
}

h2 {
  font-size: clamp(26px, 3vw, 40px);
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 16px;
}

p {
  margin-bottom: 16px;
}

strong {
  font-weight: 700;
}

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

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

.container {
  width: calc(100% - 48px);
  max-width: var(--container);
  margin-inline: auto;
}

.section {
  padding: var(--section-pad) 0;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-red);
}

.num {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--c-red);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid > *,
.footer-col {
  min-width: 0;
}

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

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

.grid-7 {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.span-2 {
  grid-column: span 2;
}

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

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

.span-5 {
  grid-column: span 5;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  background: transparent;
  color: inherit;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
}

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

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

.btn-gold {
  background: var(--c-gold);
  color: var(--c-blue-dark);
}

.btn-gold:hover {
  background: var(--c-gold-soft);
  color: var(--c-blue-dark);
}

.btn-red {
  background: var(--c-red);
  color: #FFFFFF;
}

.btn-red:hover {
  background: #C81E2C;
  color: #FFFFFF;
}

.btn-dark {
  background: var(--c-blue);
  color: #FFFFFF;
}

.btn-dark:hover {
  background: var(--c-blue-light);
  color: #FFFFFF;
}

.btn-ghost {
  background: transparent;
  color: var(--c-blue);
  box-shadow: inset 0 0 0 2px currentColor;
}

.btn-ghost:hover {
  background: var(--c-blue);
  color: #FFFFFF;
  box-shadow: inset 0 0 0 2px var(--c-blue);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
  letter-spacing: .06em;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.skip-link {
  position: fixed;
  top: -64px;
  left: 16px;
  z-index: 5000;
  padding: 10px 20px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--c-blue-dark);
  background: var(--c-gold);
  text-decoration: none;
  transition: top .25s ease;
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--c-blue);
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 3000;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-red) 100%);
  pointer-events: none;
  transition: width .12s linear;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(10, 31, 68, 0);
  background-image: linear-gradient(180deg, rgba(10, 31, 68, .88) 0%, rgba(10, 31, 68, .4) 55%, rgba(10, 31, 68, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.site-header.is-scrolled {
  background-color: var(--c-blue);
  border-bottom-color: rgba(255, 255, 255, .08);
  box-shadow: 0 8px 30px rgba(4, 12, 30, .35);
}

body.nav-open .site-header {
  background-color: var(--c-blue);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  text-decoration: none;
  color: #FFFFFF;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 24px;
  background: linear-gradient(135deg, var(--c-gold-soft) 0%, var(--c-gold) 100%);
  clip-path: polygon(0 100%, 0 22%, 28% 48%, 50% 0, 72% 48%, 100% 22%, 100% 100%);
  filter: drop-shadow(0 2px 6px rgba(212, 175, 55, .4));
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: .05em;
  color: #FFFFFF;
}

.brand-text small {
  font-family: var(--font-num);
  font-size: 9px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  position: relative;
  padding: 10px 10px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease;
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 4px;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}

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

.nav-link[aria-current="page"] {
  color: #FFFFFF;
}

.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  background: var(--c-red);
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-cta {
  margin-left: 10px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .06);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 22px;
  height: 14px;
}

.nav-toggle-bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform .3s ease, opacity .3s ease, top .3s ease;
}

.nav-toggle-bars span:nth-child(1) {
  top: 0;
}

.nav-toggle-bars span:nth-child(2) {
  top: 6px;
}

.nav-toggle-bars span:nth-child(3) {
  top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

.site-footer {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #0B2650 0%, var(--c-blue-dark) 100%);
  color: rgba(255, 255, 255, .72);
  padding: 72px 0 0;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -90px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(212, 175, 55, .22);
  transform: rotate(45deg);
  border-radius: 6px;
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  left: -100px;
  bottom: -100px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(212, 175, 55, .14) 0%, transparent 70%);
  pointer-events: none;
}

.footer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 1.5fr) 1fr 1fr 1.3fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.brand--footer .brand-text strong {
  color: #FFFFFF;
}

.footer-lead {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.footer-trust {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .52);
  border-left: 2px solid rgba(212, 175, 55, .35);
  padding-left: 14px;
}

.footer-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.footer-title::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--c-red);
}

.footer-list li + li {
  margin-top: 10px;
}

.footer-list a {
  position: relative;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-list a:hover {
  color: var(--c-gold-soft);
  padding-left: 6px;
}

.footer-contact {
  display: grid;
  gap: 10px;
}

.footer-contact li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
}

.contact-tag {
  flex: none;
  width: 44px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--c-gold);
}

.contact-value {
  color: rgba(255, 255, 255, .75);
  word-break: break-all;
}

.contact-note {
  display: block;
  margin-top: 10px;
  border-left: 2px solid rgba(212, 175, 55, .45);
  padding-left: 14px;
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .5);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-family: var(--font-head);
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
}

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

.breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: rgba(255, 255, 255, .35);
}

.breadcrumb a {
  color: var(--c-gold-soft);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #FFFFFF;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 64px) 0 56px;
  background: linear-gradient(135deg, var(--c-blue) 0%, #0D2A58 52%, var(--c-blue-light) 100%);
  color: #FFFFFF;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(212, 175, 55, .35);
  transform: rotate(45deg);
  border-radius: 4px;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: 18%;
  bottom: -160px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(212, 175, 55, .12), transparent 68%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin: 14px 0 16px;
  max-width: 900px;
  color: #FFFFFF;
}

.page-hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, .78);
}

.page-hero .eyebrow {
  color: var(--c-gold-soft);
}

.panel-cut {
  position: relative;
  background: var(--c-white);
  padding: 30px 42px 30px 30px;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  filter: drop-shadow(0 10px 24px rgba(7, 22, 50, .08));
}

.panel-cut--gold {
  background: linear-gradient(135deg, #FDF6E3 0%, #FFFFFF 60%);
  border-top: 3px solid var(--c-gold);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-light) 100%);
}

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

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

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.media-frame:hover img {
  transform: scale(1.03);
}

.media-frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  width: 36px;
  height: 4px;
  background: var(--c-gold);
}

.media-frame::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, transparent 50%, rgba(212, 175, 55, .85) 50%, rgba(212, 175, 55, .85) 100%);
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

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

html.js [data-reveal][data-reveal-delay="1"] {
  transition-delay: .12s;
}

html.js [data-reveal][data-reveal-delay="2"] {
  transition-delay: .24s;
}

html.js [data-reveal][data-reveal-delay="3"] {
  transition-delay: .36s;
}

html.js [data-reveal][data-reveal-delay="4"] {
  transition-delay: .48s;
}

@media (max-width: 1120px) {
  :root {
    --header-h: 64px;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background: linear-gradient(180deg, var(--c-blue) 0%, var(--c-blue-dark) 100%);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0 24px;
    box-shadow: 0 24px 40px rgba(4, 12, 30, .4);
    transition: max-height .4s var(--ease), opacity .3s ease, padding .3s ease;
  }

  .site-nav[data-open] {
    max-height: 600px;
    opacity: 1;
    padding: 20px 24px 28px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list li {
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .nav-link {
    display: block;
    padding: 15px 8px;
    font-size: 16px;
  }

  .nav-link::after {
    bottom: 0;
    left: 8px;
    right: 8px;
  }

  .nav-cta {
    margin: 18px 0 0;
  }

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

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

  .footer-brand-col {
    grid-column: 1 / -1;
  }

  .grid-3,
  .grid-7 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .span-3,
  .span-4,
  .span-5,
  .span-6 {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 32px);
  }

  .grid-2,
  .grid-3,
  .grid-7 {
    grid-template-columns: 1fr;
  }

  .span-2,
  .span-3,
  .span-4,
  .span-5,
  .span-6 {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

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

  .progress-bar {
    display: none;
  }
}