:root{
  --navy:#0A1F44;
  --navy-2:#081734;
  --navy-deep:#060f22;
  --gold:#D4AF37;
  --gold-bright:#E6C85A;
  --gold-line:#C9A961;
  --gold-soft:rgba(212,175,55,.14);
  --red:#E63946;
  --light:#F5F7FA;
  --ink:#1A1A2E;
  --muted:#B8C1D1;
  --blue:#3A86FF;
  --teal:#2EC4B6;
  --smoke:#E8EDF2;
  --font-display:Impact,"Arial Black","PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  --font-body:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"SF Mono","JetBrains Mono","Fira Code",Consolas,monospace;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --header-h:64px;
  --container:1400px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--light);
  color:var(--navy);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
::selection{background:var(--gold);color:var(--navy-deep)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  line-height:1.2;
  color:var(--navy);
}
h1{font-weight:900;font-size:56px;line-height:1.05}
h2{font-weight:800;font-size:32px}
h3{font-weight:700;font-size:20px}
p{margin:0 0 1em}
a{color:var(--blue);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--navy)}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit}
[hidden]{display:none !important}

.skip-link{
  position:fixed;
  top:-120px;
  left:16px;
  z-index:1000;
  padding:12px 20px;
  border-radius:999px;
  background:var(--gold);
  color:var(--navy-deep);
  font-weight:800;
  font-size:14px;
  box-shadow:0 4px 16px rgba(6,15,34,.3);
  transition:top .24s var(--ease);
}
.skip-link:focus{top:16px;outline:3px solid var(--light);outline-offset:2px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 20px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:var(--font-body);
  font-weight:700;
  font-size:15px;
  line-height:1.3;
  cursor:pointer;
  text-align:center;
  text-decoration:none;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:focus-visible{outline:3px solid var(--teal);outline-offset:2px}
.btn--gold{background:var(--gold);color:var(--navy)}
.btn--gold:hover{background:var(--gold-bright);color:var(--navy-deep);transform:translateY(-1px)}
.btn--navy{background:var(--navy);color:var(--light)}
.btn--navy:hover{background:var(--navy-deep);color:var(--gold)}
.btn--outline{background:transparent;color:var(--navy);border-color:var(--gold-line)}
.btn--outline:hover{border-color:var(--gold);background:var(--gold-soft);color:var(--navy)}
.btn--sm{padding:8px 16px;font-size:14px}

.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);
  color:var(--light);
  border-bottom:1px solid var(--gold-line);
}
.site-header::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  z-index:1;
  background:repeating-linear-gradient(90deg,var(--gold) 0 2px,transparent 2px 26px);
}
.site-header__rail{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:var(--header-h);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--light);
  flex:0 0 auto;
  text-decoration:none;
}
.brand:hover{color:var(--gold)}
.brand__badge{
  display:grid;
  place-items:center;
  flex:0 0 auto;
  width:40px;
  height:40px;
  border-radius:14px 14px 14px 4px;
  background:linear-gradient(135deg,var(--gold) 0%,#ad8c2e 100%);
  color:var(--navy-deep);
  font-family:var(--font-display);
  font-weight:900;
  font-size:17px;
  letter-spacing:.02em;
  clip-path:polygon(0 0,100% 0,100% 78%,78% 100%,0 100%);
  box-shadow:0 6px 18px rgba(6,15,34,.45);
}
.brand__copy{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:16px;
  letter-spacing:.05em;
  color:var(--light);
}
.brand__tag{
  margin-top:2px;
  font-family:var(--font-body);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}
.brand--footer .brand__name{color:var(--light)}

.site-nav{margin-left:auto}
.site-nav__list{display:flex;align-items:center;gap:4px}
.site-nav__item{margin:0}
.site-nav a{
  display:block;
  padding:9px 14px;
  border-radius:999px;
  color:var(--muted);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.site-nav a:hover{color:var(--light);background:rgba(245,247,250,.08)}
.site-nav a[aria-current="page"]{
  color:var(--gold);
  background:var(--gold-soft);
  box-shadow:inset 0 0 0 1px rgba(212,175,55,.4);
}

.site-header__meta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.site-header__cta{white-space:nowrap}
.site-header__progress{
  position:relative;
  width:40px;
  height:40px;
  border-radius:50%;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  background:conic-gradient(var(--gold) calc(var(--progress,0)*1%),rgba(245,247,250,.16) 0);
}
.site-header__progress::after{
  content:"";
  position:absolute;
  inset:4px;
  background:var(--navy-2);
  border-radius:50%;
}
.site-header__progress-value{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:100%;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:11px;
  line-height:1;
  color:var(--gold);
}

.nav-toggle{
  display:none;
  position:relative;
  width:44px;
  height:44px;
  border-radius:50%;
  flex:0 0 auto;
  border:1px solid rgba(245,247,250,.16);
  background:rgba(245,247,250,.08);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  margin:4px auto;
  background:var(--light);
  transition:transform .2s var(--ease),opacity .18s var(--ease);
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.site-header__axis{display:none}

.site-footer{
  position:relative;
  background:linear-gradient(180deg,var(--navy-2) 0%,var(--navy-deep) 60%);
  color:var(--muted);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 2px,transparent 2px 26px);
}
.site-footer a{color:var(--muted);font-size:14px;transition:color .18s var(--ease)}
.site-footer a:hover{color:var(--gold)}
.site-footer__inner{max-width:var(--container);margin:0 auto;padding:56px 24px 28px}
.site-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px}
.site-footer__brand .brand{margin-bottom:16px}
.site-footer__trust{
  margin:0;
  max-width:460px;
  font-size:14px;
  line-height:1.75;
  color:rgba(184,193,209,.78);
  border-left:2px solid var(--gold-line);
  padding-left:16px;
}
.site-footer__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:14px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  margin:6px 0 14px;
}
.site-footer__nav ul,
.site-footer__legal ul{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:9px 20px;
}
.site-footer__contact{
  margin:16px 0 0;
  font-size:13px;
  line-height:1.85;
  color:rgba(184,193,209,.7);
}
.site-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 28px;
  justify-content:space-between;
  margin-top:44px;
  padding-top:16px;
  border-top:1px solid rgba(201,169,97,.22);
  font-size:13px;
  color:rgba(184,193,209,.65);
}
.site-footer__copyright{font-weight:600;margin:0}
.site-footer__icp{margin:0}
.site-footer__note{margin:0}

.to-top{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:90;
  width:48px;
  height:48px;
  border-radius:50%;
  display:grid;
  place-items:center;
  border:1px solid var(--gold-line);
  background:rgba(10,31,68,.92);
  color:var(--gold);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  box-shadow:0 8px 24px rgba(6,15,34,.35);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),opacity .18s var(--ease);
}
.to-top:hover{background:var(--gold);color:var(--navy-deep)}
.to-top[hidden]{display:none}

.page-shell{max-width:var(--container);margin:0 auto;padding:0 24px}
.page-section{padding:64px 0}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 10px;
  padding:18px 0;
  font-size:14px;
  color:var(--muted);
}
.breadcrumb a{color:var(--navy);font-weight:600}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb__sep{color:var(--gold-line);font-family:var(--font-mono)}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--red);
}
.section-label::before{content:"";width:30px;height:2px;background:var(--gold)}
.section-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:32px;
  line-height:1.15;
  margin:10px 0 0;
  color:var(--navy);
}
.section-lead{max-width:680px;font-size:16px;line-height:1.8;color:#33415C}

.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.col-span-3{grid-column:span 3}
.col-span-4{grid-column:span 4}
.col-span-5{grid-column:span 5}
.col-span-6{grid-column:span 6}
.col-span-7{grid-column:span 7}
.col-span-8{grid-column:span 8}
.col-span-9{grid-column:span 9}
.col-span-12{grid-column:span 12}

.content-card{
  position:relative;
  background:var(--light);
  border:1px solid rgba(10,31,68,.1);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:0 4px 12px rgba(10,31,68,.04);
}
.content-card--dark{background:var(--ink);color:var(--muted);border-color:transparent}
.data-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid rgba(212,175,55,.3);
  background:var(--gold-soft);
  color:var(--gold-line);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.data-badge{
  display:inline-grid;
  place-items:center;
  min-width:28px;
  height:28px;
  padding:0 8px;
  border-radius:8px;
  background:var(--navy);
  color:var(--light);
  font-family:var(--font-mono);
  font-weight:700;
  font-size:13px;
}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  background:var(--light);
}
.data-table th{
  text-align:left;
  padding:10px 12px;
  background:var(--smoke);
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  border-bottom:2px solid var(--gold-line);
}
.data-table td{padding:10px 12px;border-bottom:1px solid rgba(10,31,68,.08)}
.data-table tr:nth-child(even){background:rgba(232,237,242,.5)}

.img-frame{
  position:relative;
  width:100%;
  aspect-ratio:16/10;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(10,31,68,.1);
  background:linear-gradient(135deg,var(--smoke),#D7DFE9);
}
.img-frame--diag{background:repeating-linear-gradient(135deg,var(--smoke) 0 14px,#D7DFE9 14px 28px)}
.img-frame::after{
  content:attr(data-caption);
  position:absolute;
  left:12px;
  bottom:12px;
  max-width:70%;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(6,15,34,.78);
  color:var(--light);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
}
.img-frame:not([data-caption])::after{display:none}

.coords-bg{
  background-image:
    linear-gradient(rgba(10,31,68,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(10,31,68,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.clipped{clip-path:polygon(0 0,100% 0,calc(100% - 28px) 100%,0 100%)}
.clipped--left{clip-path:polygon(28px 0,100% 0,100% 100%,0 100%)}
.clipped--diag{clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%)}

[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:translateY(0)}

@media (max-width:1100px){
  .col-span-3,.col-span-4,.col-span-5,.col-span-6{grid-column:span 6}
  .col-span-7,.col-span-8,.col-span-9,.col-span-12{grid-column:span 12}
}
@media (max-width:900px){
  .site-header__rail{padding:0 14px}
  .site-header__cta{display:none}
  .nav-toggle{display:block}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    width:auto;
    margin-left:0;
    padding:8px 16px 14px;
    background:linear-gradient(180deg,var(--navy-2),var(--navy-deep));
    border-top:1px solid rgba(201,169,97,.3);
    border-bottom:1px solid var(--gold-line);
    box-shadow:0 20px 32px rgba(6,15,34,.35);
    display:none;
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:4px;padding:0}
  .site-nav a{text-align:left;padding:13px 16px;border-radius:12px;font-size:16px}
  .site-header__progress{width:36px;height:36px}
  .site-footer__grid{grid-template-columns:1fr;gap:36px}
}
@media (max-width:600px){
  .page-shell{padding:0 16px}
  .page-section{padding:40px 0}
  .grid-12{grid-template-columns:1fr;gap:16px}
  .col-span-3,.col-span-4,.col-span-5,.col-span-6,.col-span-7,.col-span-8,.col-span-9,.col-span-12{grid-column:span 1}
  h1{font-size:40px}
  h2,.section-title{font-size:26px}
}
@media (min-width:1200px){
  body{padding-left:88px}
  .site-header{
    position:fixed;
    left:0;
    top:0;
    bottom:0;
    width:88px;
    display:flex;
    flex-direction:column;
    border-right:1px solid var(--gold-line);
    border-bottom:0;
  }
  .site-header::before{background:repeating-linear-gradient(90deg,var(--gold) 0 2px,transparent 2px 18px)}
  .site-header__rail{
    flex:1 1 auto;
    min-height:0;
    flex-direction:column;
    align-items:center;
    gap:18px;
    max-width:none;
    height:100%;
    margin:0;
    padding:20px 0 12px;
  }
  .site-header .brand{flex-direction:column;gap:10px}
  .site-header .brand__copy{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:4px;
    writing-mode:vertical-rl;
    text-orientation:upright;
  }
  .site-header .brand__name{font-size:14px;letter-spacing:.12em}
  .site-header .brand__tag{font-size:10px;letter-spacing:.3em;color:rgba(184,193,209,.8)}
  .site-nav{margin-left:0;width:100%}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:6px;padding:0 10px}
  .site-nav a{padding:10px 4px;font-size:14px;text-align:center}
  .site-header__meta{flex-direction:column;gap:12px;margin-top:auto}
  .site-header__cta{font-size:13px;padding:9px 12px}
  .site-header__axis{
    display:block;
    padding:6px 0 10px;
    writing-mode:vertical-rl;
    text-orientation:upright;
    font-family:var(--font-display);
    font-size:11px;
    letter-spacing:.3em;
    color:rgba(184,193,209,.75);
  }
}
@media (min-width:1200px) and (max-height:720px){
  .site-nav__list{gap:3px}
  .site-nav a{padding:7px 4px;font-size:13px}
  .site-header__rail{gap:12px;padding-top:14px}
  .site-header__meta{gap:8px}
  .site-header__progress{width:32px;height:32px}
  .site-header__axis{font-size:10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none;transition:none}
}