:root{
  --bg-deep:#0A0A0F;
  --bg-card:#12121A;
  --bg-elevated:#1A1A24;
  --gold:#D4AF37;
  --gold-bright:#FFD700;
  --blue:#00E5FF;
  --red:#8B0000;
  --text:#E5E5EA;
  --muted:#A0A0B0;
  --font-head:Impact,'Arial Black','Noto Sans SC',sans-serif;
  --font-body:'Noto Sans SC','Microsoft YaHei',-apple-system,sans-serif;
  --header-h:56px;
  --header-h-compact:48px;
  --max-width:1280px;
  --transition:.22s ease;
  --gold-line:rgba(212,175,55,.28);
  --blue-line:rgba(0,229,255,.55);
}

html{
  background:var(--bg-deep);
  color-scheme:dark;
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

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

body{
  margin:0;
  background:transparent;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    linear-gradient(rgba(212,175,55,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,175,55,.045) 1px, transparent 1px),
    radial-gradient(1100px 520px at 85% -5%, rgba(212,175,55,.09), transparent 60%),
    var(--bg-deep);
  background-size:80px 80px,80px 80px,100% 100%,100% 100%;
}

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

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

ul,ol,dl,dd,dt{
  margin:0;
  padding:0;
  list-style:none;
}

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

::selection{
  background:rgba(212,175,55,.3);
  color:#fff;
}

h1,h2,h3,h4{
  margin:0 0 .5em;
  font-family:var(--font-head);
  font-style:italic;
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.5px;
  color:var(--gold);
}

h1{
  font-size:clamp(40px,6vw,64px);
}

h2{
  font-size:clamp(30px,4vw,40px);
}

h3{
  font-size:28px;
}

h4{
  font-size:20px;
}

p{
  margin:0 0 1rem;
}

:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:2px;
}

.skip-link{
  position:fixed;
  top:-100px;
  left:16px;
  z-index:9999;
  padding:10px 18px;
  background:var(--gold);
  color:#0A0A0F;
  font-weight:700;
  border-radius:2px;
  transition:top .2s ease;
}

.skip-link:focus{
  top:12px;
}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:3px;
  z-index:10001;
  pointer-events:none;
  background:rgba(212,175,55,.12);
}

.scroll-progress span{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--gold),var(--blue));
  box-shadow:0 0 12px rgba(0,229,255,.55);
}

.command-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,10,15,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:2px solid var(--blue);
  transform:translateZ(0);
}

.command-header__inner{
  max-width:var(--max-width);
  height:var(--header-h);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:28px;
  transition:height .2s ease;
}

.command-header.is-stuck .command-header__inner{
  height:var(--header-h-compact);
}

.brand-mark{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1;
  flex-shrink:0;
}

.brand-mark__logo{
  font-family:var(--font-head);
  font-style:italic;
  font-size:26px;
  font-weight:900;
  letter-spacing:1px;
  color:var(--gold);
  white-space:nowrap;
}

.brand-mark__logo span{
  color:var(--blue);
}

.brand-mark__sub{
  margin-top:4px;
  font-size:10px;
  letter-spacing:4px;
  color:var(--muted);
  text-transform:uppercase;
}

.nav-prime{
  margin-left:auto;
}

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

.nav-prime__link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  letter-spacing:.4px;
  white-space:nowrap;
  transition:color .2s ease;
}

.nav-prime__link::after{
  content:'';
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  background:var(--blue);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}

.nav-prime__link:hover{
  color:var(--gold-bright);
}

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

.nav-prime__link[aria-current="page"]{
  color:var(--gold);
}

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

.command-header__actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}

.contact-cta{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border:1px solid var(--gold);
  color:var(--gold-bright);
  background:rgba(212,175,55,.08);
  font-weight:700;
  font-size:14px;
  letter-spacing:.6px;
  white-space:nowrap;
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}

.contact-cta:hover{
  background:rgba(212,175,55,.18);
  color:var(--gold-bright);
  border-color:var(--gold-bright);
}

.contact-cta__dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--gold-bright);
  box-shadow:0 0 10px var(--gold-bright);
  animation:pulse-glow 1.8s infinite ease-in-out;
}

@keyframes pulse-glow{
  0%,100%{
    opacity:.55;
    transform:scale(.9);
    box-shadow:0 0 4px var(--gold-bright);
  }
  50%{
    opacity:1;
    transform:scale(1.2);
    box-shadow:0 0 16px var(--gold-bright);
  }
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  color:var(--gold);
  font-weight:700;
}

.nav-toggle__icon{
  display:inline-flex;
  flex-direction:column;
  gap:4px;
  width:18px;
}

.nav-toggle__icon i{
  display:block;
  width:100%;
  height:2px;
  background:var(--gold);
  transition:transform .2s ease,opacity .2s ease;
}

.nav-toggle.is-active .nav-toggle__icon i:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle__icon i:nth-child(2){
  opacity:0;
}

.nav-toggle.is-active .nav-toggle__icon i:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}

.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 24px;
}

.site-main{
  display:block;
  min-height:60vh;
}

.section-shell{
  position:relative;
  padding:80px 0;
}

.section-shell__inner{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 24px;
  position:relative;
}

.section-shell__mark{
  position:absolute;
  top:24px;
  left:0;
  font-family:var(--font-head);
  font-style:italic;
  font-size:13px;
  letter-spacing:2px;
  color:rgba(212,175,55,.72);
}

.section-shell__head{
  margin-bottom:40px;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:20px;
  align-items:end;
}

.section-shell__lead{
  max-width:720px;
  margin:0;
  color:var(--muted);
  font-size:18px;
}

.lead{
  max-width:720px;
  color:var(--muted);
  font-size:18px;
}

.muted{
  color:var(--muted);
}

.gold-text{
  color:var(--gold);
}

.blue-text{
  color:var(--blue);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0 0 24px;
  padding:14px 0;
  font-size:14px;
  color:var(--muted);
}

.breadcrumb a{
  color:var(--blue);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}

.breadcrumb a:hover{
  border-color:var(--blue);
}

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

.btn-prime{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 30px;
  background:var(--gold);
  color:#0A0A0F;
  font-family:var(--font-head);
  font-style:italic;
  font-weight:900;
  font-size:18px;
  letter-spacing:1px;
  border:1px solid transparent;
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}

.btn-prime:hover{
  background:var(--gold-bright);
  box-shadow:0 0 24px rgba(255,215,0,.35);
}

.btn-prime--ghost{
  background:transparent;
  color:var(--gold);
  border-color:var(--gold);
}

.btn-prime--ghost:hover{
  background:rgba(212,175,55,.1);
  color:var(--gold-bright);
}

.btn-prime--blue{
  background:var(--blue);
  color:#0A0A0F;
}

.btn-prime--blue:hover{
  background:#7CF0FF;
}

.panel-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid rgba(212,175,55,.22);
  padding:28px;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px));
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}

.panel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(212,175,55,.55);
  box-shadow:0 16px 40px rgba(0,0,0,.45);
}

.panel-card::before{
  content:'';
  position:absolute;
  top:0;
  right:0;
  width:16px;
  height:16px;
  background:var(--gold);
}

.panel-card::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:16px;
  height:16px;
  background:rgba(0,229,255,.6);
}

.panel-card__index{
  margin-bottom:10px;
  font-family:var(--font-head);
  font-style:italic;
  font-size:14px;
  letter-spacing:1px;
  color:var(--gold);
}

.panel-card__title{
  margin:0 0 10px;
  font-size:22px;
  font-weight:800;
  color:var(--text);
}

.panel-card__text{
  margin:0;
  color:var(--muted);
  font-size:15px;
}

.data-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:16px;
}

.data-list__item{
  background:var(--bg-card);
  padding:20px 24px;
  border-left:2px solid var(--gold);
}

.data-list__term{
  color:var(--gold);
  font-weight:700;
  margin-bottom:4px;
}

.data-list__desc{
  color:var(--muted);
}

.tag-warn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  background:rgba(139,0,0,.18);
  border:1px solid var(--red);
  color:#ff9b9b;
  font-size:13px;
  font-weight:700;
  letter-spacing:.5px;
}

.tag-highlight{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  background:rgba(212,175,55,.12);
  border:1px solid var(--gold);
  color:var(--gold-bright);
  font-size:13px;
  font-weight:700;
}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}

.grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}

.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--bg-card);
  border:1px solid rgba(212,175,55,.3);
  aspect-ratio:16/9;
}

.media-frame::before{
  content:'';
  position:absolute;
  inset:12px;
  border:1px solid rgba(0,229,255,.25);
  z-index:1;
  pointer-events:none;
}

.media-frame::after{
  content:attr(data-caption);
  position:absolute;
  right:12px;
  bottom:12px;
  z-index:2;
  padding:4px 10px;
  background:rgba(10,10,15,.7);
  border-left:2px solid var(--blue);
  font-family:var(--font-head);
  font-style:italic;
  font-size:12px;
  letter-spacing:1px;
  color:var(--gold);
}

.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.media-frame--portrait{
  aspect-ratio:3/4;
}

.media-frame--square{
  aspect-ratio:1/1;
}

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

.media-frame__placeholder{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color:rgba(212,175,55,.35);
  font-size:12px;
  letter-spacing:2px;
}

.divider-arena{
  position:relative;
  height:1px;
  margin:48px 0;
  border:0;
  background:linear-gradient(90deg,transparent,rgba(212,175,55,.6),transparent);
}

.divider-arena::after{
  content:'◆';
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) rotate(45deg);
  padding:0 10px;
  background:var(--bg-deep);
  color:var(--gold);
  font-size:8px;
}

.return-top{
  position:fixed;
  right:96px;
  bottom:24px;
  z-index:900;
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  background:rgba(10,10,15,.9);
  border:1px solid var(--gold);
  color:var(--gold);
  font-size:12px;
  font-weight:700;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}

.return-top[data-visible="true"]{
  opacity:1;
  visibility:visible;
  transform:none;
}

.return-top:hover{
  background:rgba(212,175,55,.15);
  color:var(--gold-bright);
}

.footer-arena{
  position:relative;
  margin-top:56px;
  background:var(--bg-deep);
  border-top:1px solid var(--gold);
}

.footer-arena::before{
  content:'';
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--gold),var(--blue),var(--gold));
  opacity:.6;
}

.footer-arena__grid{
  max-width:var(--max-width);
  margin:0 auto;
  padding:56px 24px 32px;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
}

.footer-arena__brand .brand-mark__logo{
  font-size:30px;
}

.footer-arena__note{
  margin:18px 0 0;
  color:var(--muted);
  font-size:14px;
  max-width:420px;
}

.footer-arena__trust{
  margin:12px 0 0;
  padding-left:12px;
  border-left:2px solid var(--gold);
  color:var(--muted);
  font-size:12px;
  max-width:460px;
}

.footer-arena__contact dt{
  margin-bottom:14px;
  font-family:var(--font-head);
  font-style:italic;
  font-size:15px;
  letter-spacing:1px;
  color:var(--gold);
}

.footer-arena__contact dd{
  margin:0 0 8px;
  color:var(--muted);
  font-size:14px;
}

.footer-arena__contact a{
  color:var(--blue);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}

.footer-arena__contact a:hover{
  border-color:var(--blue);
}

.footer-arena__nav{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  align-items:flex-start;
  gap:24px;
}

.footer-arena__links{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.footer-arena__links a{
  display:inline-block;
  padding:4px 0;
  color:var(--text);
  font-size:14px;
  transition:color .2s ease;
}

.footer-arena__links a:hover{
  color:var(--gold-bright);
}

.footer-arena__meta{
  max-width:var(--max-width);
  margin:0 auto;
  padding:18px 24px;
  border-top:1px solid rgba(212,175,55,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.5px;
}

.settings-hub{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:950;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
}

.settings-hub__panel{
  width:250px;
  padding:18px;
  background:rgba(18,18,26,.96);
  border:1px solid var(--gold-line);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}

.settings-hub__panel[aria-hidden="false"]{
  opacity:1;
  visibility:visible;
  transform:none;
}

.settings-hub__label{
  margin:0 0 12px;
  font-family:var(--font-head);
  font-style:italic;
  font-size:13px;
  letter-spacing:1px;
  color:var(--gold);
  text-transform:uppercase;
}

.settings-hub__row{
  display:flex;
  gap:8px;
}

.settings-hub__option{
  flex:1;
  padding:8px 6px;
  background:transparent;
  border:1px solid rgba(212,175,55,.3);
  color:var(--text);
  font-size:13px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}

.settings-hub__option:hover{
  border-color:var(--gold);
  color:var(--gold-bright);
}

body.settings-contrast{
  --gold:#FFD700;
  --gold-bright:#FFDD55;
  --blue:#00CCFF;
  --gold-line:rgba(255,215,0,.45);
}

body.settings-contrast .settings-hub__option[data-settings-action="contrast"],
body.settings-smooth .settings-hub__option[data-settings-action="smooth"]{
  background:var(--gold);
  border-color:var(--gold-bright);
  color:#0A0A0F;
  font-weight:700;
  box-shadow:0 0 14px rgba(212,175,55,.3);
}

body.settings-smooth *,
body.settings-smooth *::before,
body.settings-smooth *::after{
  animation-duration:.01s !important;
  transition-duration:.01s !important;
}

.settings-hub__fab{
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  background:rgba(10,10,15,.9);
  border:1px solid var(--blue);
  color:var(--blue);
  font-size:16px;
  font-weight:700;
  box-shadow:0 0 18px rgba(0,229,255,.15);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);
  transition:background .2s ease,color .2s ease;
}

.settings-hub__fab:hover,
.settings-hub__fab.is-active{
  background:rgba(0,229,255,.15);
  color:var(--gold-bright);
}

html.js [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .5s ease,transform .5s ease;
}

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

@media (max-width:1024px){
  .footer-arena__grid{
    grid-template-columns:1fr 1fr;
  }
  .grid-3,.grid-4{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .section-shell{
    padding:60px 0;
  }
}

@media (max-width:960px){
  .nav-toggle{
    display:flex;
  }
  .command-header__inner{
    padding:0 16px;
    gap:12px;
  }
  .nav-prime{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:none;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    padding:16px;
    background:rgba(10,10,15,.98);
    border-bottom:1px solid var(--gold-line);
    box-shadow:0 24px 44px rgba(0,0,0,.5);
  }
  .nav-prime[data-open="true"]{
    display:block;
  }
  .nav-prime__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-prime__item{
    border-bottom:1px solid rgba(212,175,55,.08);
  }
  .nav-prime__link{
    display:block;
    padding:14px 8px;
    font-size:17px;
  }
  .nav-prime__link::after{
    display:none;
  }
  .nav-prime__link:hover{
    background:rgba(212,175,55,.06);
  }
  .nav-prime__link[aria-current="page"]{
    border-left:3px solid var(--gold);
    padding-left:10px;
  }
}

@media (max-width:768px){
  .container,.section-shell__inner,.footer-arena__grid,.footer-arena__meta{
    padding-left:16px;
    padding-right:16px;
  }
  .footer-arena__grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .section-shell__head{
    grid-template-columns:1fr;
  }
  .section-shell__mark{
    position:relative;
    top:auto;
    left:auto;
    margin-bottom:8px;
  }
  .footer-arena__nav{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
  }
}

@media (max-width:640px){
  .brand-mark__logo{
    font-size:22px;
  }
  .brand-mark__sub{
    display:none;
  }
  .contact-cta{
    padding:7px 10px;
    font-size:13px;
  }
  .contact-cta__dot{
    width:6px;
    height:6px;
  }
  .nav-toggle__text{
    display:none;
  }
  .grid-2,.grid-3,.grid-4{
    grid-template-columns:1fr;
    gap:16px;
  }
  .return-top{
    right:auto;
    left:20px;
    bottom:20px;
  }
  .settings-hub{
    right:16px;
    bottom:16px;
  }
}

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior:auto;
  }
  *,
  *::before,
  *::after{
    animation-duration:.001s !important;
    animation-iteration-count:1 !important;
    transition-duration:.001s !important;
  }
  .contact-cta__dot{
    animation:none;
  }
  html.js [data-reveal]{
    opacity:1;
    transform:none;
  }
}