:root{
  --ink:#0A1A3A;
  --ink-deep:#0F2746;
  --ink-shadow:rgba(0,0,0,0.4);
  --gold:#F2B143;
  --gold-dim:#FFDB9D;
  --gold-edge:#D9A74A;
  --purple:#A54BFF;
  --purple-pale:#D6B0FF;
  --green:#30E97A;
  --white:#FFFFFF;
  --font-head:"Noto Sans SC","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","Heiti SC",sans-serif;
  --space-page:clamp(20px,4vw,48px);
  --max-w:1280px;
  --max-w-text:1200px;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.4);
  --transition:180ms cubic-bezier(0.2,0.7,0.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(165,75,255,0.12), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(165,75,255,0.08), transparent 50%),
    var(--ink);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:-0.01em;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{display:block;max-width:100%}
a{color:var(--gold);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--gold-dim)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{
  outline:2px solid var(--green);
  outline-offset:3px;
  border-radius:4px;
}
::selection{background:rgba(165,75,255,0.45);color:var(--white)}

/* ====== Skip Link ====== */
.skip-link{
  position:fixed;
  top:8px;
  left:8px;
  z-index:3000;
  padding:10px 16px;
  background:var(--ink-deep);
  color:var(--gold);
  border:1px solid var(--gold-edge);
  border-radius:var(--radius-sm);
  font-weight:700;
  transform:translateY(-160px);
  transition:transform var(--transition);
}
.skip-link:focus-visible{
  transform:translateY(0);
}

/* ====== Header ====== */
.site-header{
  position:sticky;
  top:0;
  z-index:1200;
  background:rgba(10,26,58,0.78);
  backdrop-filter:blur(14px) saturate(1.3);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,var(--gold-edge) 25%,rgba(242,177,67,0.55) 50%,var(--gold-edge) 75%,transparent) 1;
  box-shadow:0 8px 24px rgba(0,0,0,0.28);
}
.scroll-progress{
  position:absolute;
  top:-2px;
  left:0;
  height:3px;
  width:0%;
  background:linear-gradient(90deg,var(--gold),var(--purple),var(--gold));
  box-shadow:0 0 12px rgba(242,177,67,0.75);
  transition:width 80ms linear;
  z-index:5;
}
.header-inner{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 var(--space-page);
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  min-height:48px;
  color:var(--white);
}
.brand:hover .brand-glyph-ring{
  box-shadow:0 0 18px rgba(242,177,67,0.7);
}
.brand-glyph{
  position:relative;
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.brand-glyph-dot{
  width:14px;
  height:14px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%, var(--gold) 0%, var(--gold-edge) 70%);
  box-shadow:0 0 14px rgba(242,177,67,0.8);
}
.brand-glyph-ring{
  position:absolute;
  inset:2px;
  border-radius:50%;
  border:1px solid rgba(217,167,74,0.55);
  border-width:1px 2px 1px 1px;
  border-style:solid;
  border-color:var(--gold-edge) var(--gold-edge) var(--gold-edge) transparent;
  transition:box-shadow var(--transition);
}
.brand-name{
  font-family:var(--font-head);
  font-weight:700;
  font-size:clamp(18px,2vw,22px);
  letter-spacing:-0.02em;
  color:var(--white);
  text-shadow:0 0 20px rgba(242,177,67,0.25);
}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  background:transparent;
  border:1px solid rgba(217,167,74,0.6);
  border-radius:var(--radius-sm);
  flex-direction:column;
  justify-content:center;
  gap:5px;
  padding:10px 10px;
  transition:border-color var(--transition), background-color var(--transition);
}
.nav-toggle:hover{
  border-color:var(--gold);
  background:rgba(242,177,67,0.08);
}
.nav-toggle-bar{
  display:block;
  height:2px;
  width:100%;
  background:var(--gold);
  border-radius:2px;
  transition:transform 240ms cubic-bezier(0.2,0.7,0.3,1),opacity 180ms linear;
}
.main-nav{
  position:static;
  display:block;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-list a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:8px 18px;
  font-weight:500;
  font-size:15px;
  color:var(--gold-dim);
  letter-spacing:0.02em;
  white-space:nowrap;
}
.nav-list a:hover{
  color:var(--white);
}
.nav-list a:hover::after{
  opacity:1;
  transform:scaleX(1);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:8px;
  height:1px;
  background:linear-gradient(90deg,var(--gold),var(--purple));
  transform:scaleX(0);
  opacity:0;
  transform-origin:left center;
  transition:opacity var(--transition), transform var(--transition);
}
.nav-list a[aria-current="page"]{
  color:var(--white);
  font-weight:700;
}
.nav-list a[aria-current="page"]::before{
  content:"";
  position:absolute;
  right:6px;
  top:12px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 8px rgba(48,233,122,0.8);
}

/* ====== Footer ====== */
.site-footer{
  background:var(--ink-deep);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,var(--gold-edge) 20%,rgba(242,177,67,0.5) 50%,var(--gold-edge) 80%,transparent) 1;
  position:relative;
  margin-top:80px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:60px;
  background:radial-gradient(700px 80px at 70% -20%, rgba(165,75,255,0.18), transparent 70%);
  pointer-events:none;
}
.footer-grid{
  max-width:var(--max-w);
  margin:0 auto;
  padding:64px var(--space-page) 40px;
  display:grid;
  grid-template-columns:1.4fr 1.2fr 1fr;
  gap:48px;
}
.footer-logo{
  display:inline-block;
  font-family:var(--font-head);
  font-weight:700;
  font-size:26px;
  letter-spacing:-0.02em;
  color:var(--white);
  text-shadow:0 0 20px rgba(242,177,67,0.2);
  padding:8px 0;
}
.footer-logo::before{
  content:"";
  display:inline-block;
  width:12px;
  height:12px;
  margin-right:10px;
  background:var(--gold);
  border-radius:50%;
  box-shadow:0 0 12px rgba(242,177,67,0.8);
}
.footer-trust{
  margin-top:16px;
  max-width:340px;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,219,157,0.75);
}
.footer-heading{
  font-family:var(--font-head);
  font-weight:700;
  font-size:15px;
  letter-spacing:0.12em;
  color:var(--gold);
  margin-bottom:18px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(217,167,74,0.25);
  text-transform:uppercase;
}
.footer-list li{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,0.72);
  padding:3px 0;
}
.footer-list a{
  color:var(--gold-dim);
  border-bottom:1px solid transparent;
}
.footer-list a:hover{
  color:var(--white);
  border-bottom-color:var(--gold-edge);
}
.footer-bottom{
  max-width:var(--max-w);
  margin:0 auto;
  padding:22px var(--space-page) 26px;
  border-top:1px solid rgba(217,167,74,0.14);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,0.5);
}

/* ====== Shared Layout ====== */
.container{
  max-width:var(--max-w-text);
  margin:0 auto;
  padding:0 var(--space-page);
}
.page-header{
  padding:72px 0 24px;
  max-width:var(--max-w);
  margin:0 auto;
  padding-left:var(--space-page);
  padding-right:var(--space-page);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:0.14em;
  color:var(--gold);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--gold-edge);
}
.section-title{
  font-family:var(--font-head);
  font-weight:700;
  font-size:clamp(28px,4vw,48px);
  line-height:1.1;
  letter-spacing:-0.02em;
  color:var(--white);
  margin-top:14px;
}
.section-title-hl{
  background:linear-gradient(120deg,var(--gold),var(--purple));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.section-desc{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,0.7);
  max-width:520px;
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:44px;
  padding:10px 26px;
  border-radius:999px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:15px;
  letter-spacing:0.02em;
  border:1px solid transparent;
  text-align:center;
  transition:box-shadow var(--transition), transform var(--transition), background-color var(--transition), border-color var(--transition);
}
.btn:active{
  transform:scale(0.98);
}
.btn-primary{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-edge) 100%);
  color:var(--ink);
  box-shadow:0 6px 22px rgba(242,177,67,0.32);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(242,177,67,0.45);
  color:var(--ink);
}
.btn-ghost{
  background:rgba(10,26,58,0.5);
  border-color:var(--gold-edge);
  color:var(--gold-dim);
}
.btn-ghost:hover{
  border-color:var(--gold);
  color:var(--white);
  box-shadow:0 0 18px rgba(242,177,67,0.2);
}
.btn .btn-arrow{
  font-size:18px;
  line-height:1;
}

/* ====== Glass Panel ====== */
.glass-panel{
  position:relative;
  background:linear-gradient(145deg, rgba(15,39,70,0.68), rgba(10,26,58,0.52));
  backdrop-filter:blur(10px);
  border:1px solid rgba(217,167,74,0.32);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:28px;
  overflow:hidden;
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.glass-panel:hover{
  transform:translateY(-3px);
  border-color:rgba(242,177,67,0.65);
  box-shadow:0 16px 40px rgba(0,0,0,0.45), 0 0 24px rgba(165,75,255,0.12);
}
.glass-panel::before{
  content:"";
  position:absolute;
  top:-40%;
  right:-20%;
  width:160px;
  height:160px;
  background:radial-gradient(circle,rgba(165,75,255,0.18),transparent 70%);
  pointer-events:none;
}

/* ====== Breadcrumb ====== */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,0.55);
  padding:18px 0 0;
}
.breadcrumb a{
  color:var(--gold-dim);
}
.breadcrumb a:hover{
  color:var(--white);
}
.breadcrumb-sep{
  display:inline-block;
  color:rgba(242,177,67,0.5);
}
.breadcrumb-current{
  color:var(--white);
  font-weight:500;
}

/* ====== Bento Grid ====== */
.bento-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-auto-rows:minmax(120px,auto);
  gap:18px;
}
.bento-card{
  grid-column:span 4;
  min-height:160px;
  padding:24px;
}
.bento-card-wide{
  grid-column:span 8;
}
.bento-card-tall{
  grid-row:span 2;
}
.bento-card-highlight{
  background:linear-gradient(150deg, rgba(165,75,255,0.16), rgba(10,26,58,0.6));
  border-color:rgba(165,75,255,0.5);
}

/* ====== Tabs ====== */
.tabs{
  margin-top:24px;
}
.tab-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:4px 0 18px;
  border-bottom:1px solid rgba(217,167,74,0.2);
}
.tab-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:8px 20px;
  border-radius:999px;
  background:transparent;
  border:1px solid rgba(217,167,74,0.3);
  color:rgba(255,255,255,0.72);
  font-weight:500;
  font-size:14px;
  transition:all var(--transition);
}
.tab-btn:hover{
  border-color:var(--gold);
  color:var(--gold-dim);
}
.tab-btn[aria-selected="true"]{
  background:linear-gradient(135deg,var(--gold),var(--gold-edge));
  border-color:transparent;
  color:var(--ink);
  font-weight:700;
  box-shadow:0 4px 18px rgba(242,177,67,0.3);
}
.tab-panel{
  display:none;
  padding-top:22px;
}
.tab-panel.is-active{
  display:block;
  animation:fadeUp 300ms ease-out;
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}

/* ====== Accordion ====== */
.accordion-item{
  border:1px solid rgba(217,167,74,0.25);
  border-radius:var(--radius-md);
  background:rgba(15,39,70,0.5);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--transition);
}
.accordion-item:hover{
  border-color:rgba(242,177,67,0.55);
}
.accordion-header{
  display:flex;
  width:100%;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:52px;
  padding:14px 20px;
  background:transparent;
  border:none;
  color:var(--white);
  font-weight:600;
  font-size:15px;
  text-align:left;
}
.accordion-header .accordion-caret{
  width:18px;
  height:18px;
  border-right:2px solid var(--gold);
  border-bottom:2px solid var(--gold);
  transform:rotate(45deg);
  transition:transform var(--transition);
  flex-shrink:0;
}
.accordion-item.is-open .accordion-caret{
  transform:rotate(225deg);
}
.accordion-body{
  max-height:0;
  overflow:hidden;
  transition:max-height 220ms ease-out;
}
.accordion-body-inner{
  padding:0 20px 18px;
  color:rgba(255,255,255,0.72);
  font-size:15px;
  line-height:1.8;
}

/* ====== Image Frame ====== */
.image-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:linear-gradient(135deg, rgba(15,39,70,0.9), rgba(10,26,58,0.95));
  border:1px solid rgba(217,167,74,0.28);
  min-height:180px;
}
.image-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(10,26,58,0.1) 0%, rgba(10,26,58,0.65) 100%);
  pointer-events:none;
}
.image-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 400ms cubic-bezier(0.2,0.7,0.3,1);
}
.image-frame:hover img{
  transform:scale(1.03);
}

/* ====== Responsive ====== */
@media (max-width: 1024px){
  .bento-card{
    grid-column:span 6;
  }
  .bento-card-wide{
    grid-column:span 12;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
}
@media (max-width: 720px){
  .header-inner{
    min-height:68px;
    padding:0 16px;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .main-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:rgba(10,26,58,0.96);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(217,167,74,0.35);
    box-shadow:0 24px 48px rgba(0,0,0,0.4);
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    opacity:0;
    transform:translateY(-8px);
    transition:max-height 280ms ease, opacity 200ms ease, transform 280ms ease, visibility 280ms;
    -webkit-overflow-scrolling:touch;
  }
  .main-nav[data-open]{
    max-height:calc(100vh - 68px);
    visibility:visible;
    opacity:1;
    transform:translateY(0);
    overflow-y:auto;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    padding:14px 16px 22px;
    gap:4px;
  }
  .nav-list a{
    justify-content:flex-start;
    padding:14px 16px;
    min-height:48px;
    font-size:17px;
    border-radius:var(--radius-sm);
    border-bottom:1px solid rgba(217,167,74,0.12);
  }
  .nav-list a[aria-current="page"]{
    background:rgba(242,177,67,0.12);
  }
  .nav-list a[aria-current="page"]::before{
    position:static;
    width:6px;
    height:6px;
    margin-right:12px;
    flex-shrink:0;
  }
  .nav-list a::after{
    display:none;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }
  .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(-7px) rotate(-45deg);
  }
  .page-header{
    padding-top:48px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
    padding:48px 16px 24px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
    padding:18px 16px 22px;
  }
  .bento-grid{
    grid-template-columns:1fr;
    gap:14px;
  }
  .bento-card{
    grid-column:span 1;
    min-height:0;
    padding:20px;
  }
  .bento-card-wide{
    grid-column:span 1;
  }
  .tab-list{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:12px;
  }
  .tab-btn{
    flex-shrink:0;
  }
}
@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;
  }
  .glass-panel:hover{
    transform:none;
  }
}
@media (max-width:420px){
  .brand-name{
    font-size:18px;
  }
  .brand-glyph{
    width:34px;
    height:34px;
  }
}