*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --color-primary:#0A1F3C;
  --color-gold:#D4AF37;
  --color-neon:#39FF14;
  --color-orange:#FF4500;
  --color-dark:#111111;
  --color-light:#E0E0E0;
  --color-gold-bright:#FFD700;
  --color-warm:#F5F0E8;
  --color-border-gold:rgba(212,175,55,0.3);
  --color-gold-dim:rgba(212,175,55,0.15);
  --font-head:'Arial Black','Impact','Franklin Gothic Heavy',sans-serif;
  --font-body:Georgia,'Times New Roman','Songti SC',serif;
  --font-mono:'JetBrains Mono','Courier New',Consolas,monospace;
  --radius-capsule:60px;
  --radius-card:20px;
  --radius-sm:12px;
  --shadow-float:0 8px 40px rgba(0,0,0,0.5),0 0 0 1px var(--color-border-gold);
  --shadow-glow:0 0 20px rgba(57,255,20,0.15);
  --transition-smooth:0.35s cubic-bezier(0.22,1,0.36,1);
  --max-width:1320px;
  --header-height:80px
}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--color-light);
  background:var(--color-primary);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale
}
a{color:var(--color-gold-bright);text-decoration:none;transition:color var(--transition-smooth)}
a:hover{color:var(--color-neon)}
:focus-visible{outline:3px solid var(--color-gold);outline-offset:4px;border-radius:4px}
::selection{background:var(--color-gold);color:var(--color-primary)}

/* Skip Link */
.skip-link{
  position:fixed;top:-100%;left:50%;transform:translateX(-50%);
  background:var(--color-gold);color:var(--color-primary);
  padding:12px 32px;border-radius:0 0 var(--radius-sm) var(--radius-sm);
  font-family:var(--font-head);font-size:0.875rem;z-index:10000;
  transition:top var(--transition-smooth)
}
.skip-link:focus{top:0;outline:none}

/* Header – 悬浮胶囊 */
.site-header{
  position:sticky;top:16px;z-index:1000;
  padding:0 20px;margin:0 auto;max-width:var(--max-width);
  pointer-events:none
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;height:var(--header-height);
  background:rgba(10,31,60,0.92);
  backdrop-filter:blur(18px) saturate(1.1);
  -webkit-backdrop-filter:blur(18px) saturate(1.1);
  border:1px solid var(--color-border-gold);
  border-radius:var(--radius-capsule);
  box-shadow:var(--shadow-float);
  pointer-events:auto;
  position:relative;
  transition:border-color var(--transition-smooth),box-shadow var(--transition-smooth)
}
.header-inner::before{
  content:'';position:absolute;inset:-2px;
  border-radius:var(--radius-capsule);
  background:linear-gradient(135deg,var(--color-gold-dim),transparent 40%,transparent 60%,var(--color-gold-dim));
  z-index:-1;opacity:0.6;transition:opacity var(--transition-smooth)
}
.header-inner::after{
  content:'· · ·';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:10px;letter-spacing:12px;
  color:var(--color-gold);opacity:0.2;pointer-events:none
}
.site-header:hover .header-inner{border-color:rgba(212,175,55,0.5)}
.brand-link{
  display:flex;align-items:center;gap:12px;
  color:var(--color-light);font-family:var(--font-head);
  font-size:1.35rem;letter-spacing:0.04em
}
.brand-link:hover{color:var(--color-gold-bright)}
.brand-emblem{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;font-size:1.6rem;
  background:linear-gradient(135deg,var(--color-gold),#b8962e);
  color:var(--color-primary);border-radius:50%;
  box-shadow:0 0 0 2px var(--color-gold),0 0 20px rgba(212,175,55,0.2);
  flex-shrink:0;line-height:1
}
.brand-name{white-space:nowrap}

/* 导航 */
.main-nav{flex:1;display:flex;justify-content:center;margin:0 12px}
.nav-list{
  display:flex;align-items:center;gap:2px;
  list-style:none;padding:4px;
  background:rgba(0,0,0,0.25);border-radius:40px
}
.nav-list li{margin:0}
.nav-list a{
  display:block;padding:8px 20px;
  font-family:var(--font-head);font-size:0.82rem;letter-spacing:0.06em;
  color:var(--color-light);border-radius:30px;
  transition:all var(--transition-smooth);white-space:nowrap;
  position:relative
}
.nav-list a:hover{background:var(--color-gold-dim);color:var(--color-gold-bright)}
.nav-list a[aria-current="page"]{
  background:linear-gradient(135deg,var(--color-gold),#b8962e);
  color:var(--color-primary);box-shadow:0 0 20px rgba(212,175,55,0.25)
}
.nav-list a[aria-current="page"]:hover{color:var(--color-primary)}
.nav-list a::after{
  content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:0;height:2px;background:var(--color-neon);
  border-radius:2px;transition:width var(--transition-smooth);
  opacity:0
}
.nav-list a:hover::after{width:30%;opacity:1}
.nav-list a[aria-current="page"]::after{opacity:0}

/* Header Extra */
.header-extra{display:flex;align-items:center;gap:16px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 28px;border:none;border-radius:40px;
  font-family:var(--font-head);font-size:0.82rem;letter-spacing:0.06em;
  cursor:pointer;transition:all var(--transition-smooth);white-space:nowrap
}
.btn-gold{
  background:linear-gradient(135deg,var(--color-gold),#b8962e);
  color:var(--color-primary);box-shadow:0 0 20px rgba(212,175,55,0.2)
}
.btn-gold:hover{background:linear-gradient(135deg,#e8c84a,var(--color-gold));color:var(--color-primary);box-shadow:0 0 30px rgba(212,175,55,0.4);transform:translateY(-2px)}
.btn-base{position:relative;padding-left:40px}
.btn-base::before{
  content:'◆';position:absolute;left:16px;top:50%;transform:translateY(-50%);
  font-size:0.7rem;opacity:0.8
}

/* 移动端导航按钮 */
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:10px;background:transparent;
  border:1px solid var(--color-border-gold);border-radius:50%;
  cursor:pointer;transition:all var(--transition-smooth)
}
.nav-toggle:hover{border-color:var(--color-gold);background:var(--color-gold-dim)}
.toggle-bar{
  display:block;height:2px;background:var(--color-light);
  border-radius:2px;transition:all var(--transition-smooth)
}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Footer */
.site-footer{
  background:var(--color-dark);
  border-top:1px solid var(--color-border-gold);
  padding:0 20px;
  position:relative
}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--color-gold),transparent);
  opacity:0.3
}
.footer-inner{
  max-width:var(--max-width);margin:0 auto;
  padding:60px 0 32px;display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:40px 60px
}
.footer-brand{grid-column:1}
.footer-logo{
  display:flex;align-items:center;gap:12px;margin-bottom:8px
}
.footer-logo .brand-emblem{
  width:40px;height:40px;font-size:1.4rem
}
.footer-logo .brand-name{
  font-family:var(--font-head);font-size:1.2rem;color:var(--color-light)
}
.footer-tagline{
  font-family:var(--font-mono);font-size:0.8rem;letter-spacing:0.15em;
  color:var(--color-gold);opacity:0.7;margin-top:4px
}
.footer-links{
  grid-column:2;display:flex;flex-direction:column;gap:12px;
  padding-top:8px
}
.footer-links a{
  font-family:var(--font-head);font-size:0.85rem;letter-spacing:0.04em;
  color:var(--color-light);padding:4px 0;
  border-bottom:1px solid transparent;
  transition:all var(--transition-smooth);width:fit-content
}
.footer-links a:hover{color:var(--color-gold-bright);border-bottom-color:var(--color-gold)}
.footer-contact{
  grid-column:3;display:flex;flex-direction:column;gap:8px;padding-top:8px
}
.contact-item{
  font-family:var(--font-mono);font-size:0.8rem;color:var(--color-light);opacity:0.85
}
.contact-item a{color:var(--color-gold-bright);font-family:var(--font-body)}
.contact-item a:hover{color:var(--color-neon)}
.footer-address{
  grid-column:1/-1;font-size:0.8rem;color:var(--color-light);opacity:0.5;
  font-family:var(--font-mono);letter-spacing:0.04em;
  padding-top:8px;border-top:1px solid rgba(255,255,255,0.05)
}
.footer-bottom{
  grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;
  padding-top:20px;border-top:1px solid rgba(255,255,255,0.06);
  font-family:var(--font-mono);font-size:0.75rem;color:var(--color-light);opacity:0.55
}
.copyright,.icp{margin:0}
.copyright [data-year]{display:inline}

/* 滚动进度条 */
.scroll-progress{
  position:fixed;top:0;left:0;width:0;height:3px;
  background:linear-gradient(90deg,var(--color-neon),var(--color-gold));
  box-shadow:0 0 12px rgba(57,255,20,0.3),0 0 30px rgba(57,255,20,0.1);
  z-index:9999;border-radius:0 3px 3px 0;
  transition:width 0.1s linear;pointer-events:none
}

/* 通用基础 */
.main-content{min-height:70vh;padding:40px 20px;max-width:var(--max-width);margin:0 auto}
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:6px 16px;padding:16px 0 32px;
  font-family:var(--font-mono);font-size:0.8rem;color:var(--color-light);opacity:0.6;
  list-style:none
}
.breadcrumb a{color:var(--color-gold-bright);opacity:0.8}
.breadcrumb a:hover{opacity:1;color:var(--color-neon)}
.breadcrumb li+li::before{content:'/';margin-right:14px;color:var(--color-border-gold)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.section-title{
  font-family:var(--font-head);font-size:2.2rem;letter-spacing:0.04em;
  color:var(--color-gold-bright);margin-bottom:24px;line-height:1.2
}
.section-sub{
  font-family:var(--font-body);font-size:1.05rem;color:var(--color-light);opacity:0.8;
  max-width:680px;line-height:1.7
}

/* 响应式 */
@media (max-width:1024px){
  .footer-inner{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1}
  .footer-links{grid-column:2}
  .footer-contact{grid-column:1/-1}
  .nav-list a{padding:6px 14px;font-size:0.75rem}
  .header-inner{padding:0 20px}
  .brand-name{font-size:1.1rem}
  .btn-base{padding:8px 20px 8px 34px;font-size:0.75rem}
  .btn-base::before{left:12px}
}
@media (max-width:768px){
  :root{--header-height:68px}
  .site-header{top:8px;padding:0 12px}
  .header-inner{padding:0 16px;border-radius:40px}
  .brand-name{font-size:1rem}
  .brand-emblem{width:36px;height:36px;font-size:1.3rem}
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    background:rgba(10,31,60,0.96);backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border:1px solid var(--color-border-gold);border-radius:var(--radius-card);
    padding:12px;box-shadow:var(--shadow-float);
    opacity:0;visibility:hidden;transform:translateY(-12px) scale(0.96);
    transition:all var(--transition-smooth);pointer-events:none;
    margin:0
  }
  .main-nav[data-open="true"]{
    opacity:1;visibility:visible;transform:translateY(0) scale(1);
    pointer-events:auto
  }
  .nav-list{flex-direction:column;background:transparent;gap:0;padding:0;border-radius:0}
  .nav-list a{padding:14px 18px;font-size:0.9rem;border-radius:var(--radius-sm);width:100%;text-align:center}
  .nav-list a[aria-current="page"]{background:linear-gradient(135deg,var(--color-gold),#b8962e);color:var(--color-primary)}
  .nav-list a::after{display:none}
  .header-extra{gap:8px}
  .btn-base{padding:8px 16px 8px 30px;font-size:0.7rem}
  .btn-base::before{left:10px;font-size:0.6rem}

  .footer-inner{grid-template-columns:1fr;gap:24px;padding:40px 0 24px}
  .footer-brand{grid-column:1}
  .footer-links{grid-column:1}
  .footer-contact{grid-column:1}
  .footer-address{grid-column:1}
  .footer-bottom{flex-direction:column;gap:8px;align-items:flex-start}

  .section-title{font-size:1.6rem}
  .main-content{padding:24px 16px}
  .header-inner::after{display:none}
}
@media (max-width:480px){
  .btn-base .btn-text{display:none}
  .btn-base::after{content:'会员'}
  .btn-base{padding:8px 16px}
  .btn-base::before{display:none}
}

/* 减少动效 */
@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}
  .scroll-progress{transition:none!important}
  .main-nav{transition:none!important}
  .nav-toggle .toggle-bar{transition:none!important}
  .nav-list a{transition:none!important}
  .btn,.brand-link,.footer-links a,.contact-item a{transition:none!important}
}
@media print{
  .site-header,.site-footer,.scroll-progress,.nav-toggle{display:none!important}
  body{background:#fff;color:#000}
  a{color:#000!important;text-decoration:underline}
}