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

:root{
  --bg-void:#0a1a2f;
  --bg-card:#0d1f3a;
  --bg-hover:#122a45;
  --accent:#39ff14;
  --action:#ff6b35;
  --text-hi:#e8eef5;
  --text-lo:#8fa3b8;
  --line:#1e3a5f;
  --container:1280px;
  --header-h:72px;
  --header-h-mobile:60px;
  --space-1:4px;
  --space-2:8px;
  --space-3:16px;
  --space-4:24px;
  --space-5:48px;
  --ease:cubic-bezier(.22,1,.36,1);
  --font-head:'Archivo Black','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'Roboto Mono','Courier New',monospace
}

html{scroll-behavior:smooth}

body{
  background:var(--bg-void);
  color:var(--text-hi);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-wrap:break-word
}

main{flex:1}

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

a{color:var(--accent)}
a:hover{color:var(--accent)}

ul,ol{list-style:none}

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

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

::selection{
  background:var(--accent);
  color:var(--bg-void)
}

.container{
  width:min(100% - 2rem,var(--container));
  margin-inline:auto
}

.section{
  padding-block:var(--space-5)
}

.index-label{
  font-family:var(--font-mono);
  font-size:.65rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent)
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 22px;
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-hi);
  font-family:var(--font-mono);
  font-size:.85rem;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px));
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)
}

.btn:hover{
  border-color:var(--accent);
  color:var(--accent)
}

.btn-primary{
  background:var(--action);
  border-color:var(--action);
  color:var(--bg-void);
  font-weight:700
}

.btn-primary:hover{
  background:#ff8552;
  border-color:#ff8552;
  color:var(--bg-void);
  transform:translateY(-1px)
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--text-lo)
}

.breadcrumb-item{
  color:var(--text-lo);
  text-decoration:none;
  transition:color .2s
}

.breadcrumb-item:hover{
  color:var(--accent)
}

.breadcrumb-item[aria-current="page"]{
  color:var(--text-hi)
}

.breadcrumb-separator{
  color:var(--line)
}

.image-frame{
  position:relative;
  overflow:hidden;
  background:var(--bg-card);
  border:1px solid var(--line);
  aspect-ratio:16 / 9;
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
  transition:border-color .3s var(--ease)
}

.image-frame:hover{
  border-color:var(--accent)
}

.image-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter:grayscale(12%) contrast(1.05);
  transition:transform .35s var(--ease),filter .35s var(--ease)
}

.image-frame:hover img{
  transform:scale(1.04);
  filter:grayscale(0%) contrast(1.1)
}

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

.image-frame--square{
  aspect-ratio:1 / 1
}

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0
}

.skip-link{
  position:fixed;
  top:-200px;
  left:16px;
  z-index:9999;
  padding:10px 20px;
  background:var(--accent);
  color:var(--bg-void);
  font-family:var(--font-mono);
  font-size:.85rem;
  font-weight:700;
  text-decoration:none;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
  transition:top .25s var(--ease)
}

.skip-link:focus{
  top:16px
}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  z-index:1001;
  pointer-events:none
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(10,26,47,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)
}

.site-header::after{
  content:'';
  position:absolute;
  bottom:-1px;
  left:0;
  width:100%;
  height:1px;
  background:repeating-linear-gradient(90deg,var(--accent) 0,var(--accent) 8px,transparent 8px,transparent 16px);
  opacity:.35;
  pointer-events:none
}

.header-inner{
  max-width:var(--container);
  margin-inline:auto;
  padding:0 24px;
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:12px
}

.brand-block{
  flex-shrink:0;
  margin-right:auto
}

.brand-link{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none
}

.brand-badge{
  width:42px;
  height:42px;
  background:var(--accent);
  color:var(--bg-void);
  font-family:var(--font-head);
  font-size:1.1rem;
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);
  transition:transform .2s var(--ease)
}

.brand-link:hover .brand-badge{
  transform:skewX(-5deg)
}

.brand-badge-footer{
  width:38px;
  height:38px;
  font-size:1rem
}

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

.brand-name{
  font-family:var(--font-head);
  font-size:1.15rem;
  letter-spacing:.05em;
  color:var(--text-hi);
  line-height:1.2
}

.brand-slogan{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--accent)
}

.site-nav{
  display:flex;
  align-items:center;
  flex-shrink:0
}

.nav-label{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--text-lo);
  margin-right:12px;
  padding-left:8px;
  border-left:2px solid var(--accent)
}

.nav-list{
  display:flex;
  align-items:center;
  gap:2px
}

.nav-item{
  position:relative
}

.nav-item a{
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 10px;
  color:var(--text-hi);
  text-decoration:none;
  font-size:.88rem;
  font-weight:500;
  position:relative;
  transition:color .2s var(--ease)
}

.nav-item a::after{
  content:'';
  position:absolute;
  left:10px;
  right:10px;
  bottom:0;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transition:transform .2s var(--ease);
  transform-origin:left
}

.nav-item a:hover{
  color:var(--accent)
}

.nav-item a:hover::after,
.nav-item a[aria-current="page"]::after{
  transform:scaleX(1)
}

.nav-item a[aria-current="page"]{
  color:var(--accent);
  font-weight:600
}

.nav-index{
  font-family:var(--font-mono);
  font-size:.62rem;
  color:var(--accent);
  opacity:.7;
  font-weight:400
}

.header-tools{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0
}

.tool-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:7px 14px;
  border:1px solid var(--line);
  color:var(--text-hi);
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.03em;
  text-decoration:none;
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
  transition:border-color .2s,background .2s,color .2s
}

.tool-link:hover{
  border-color:var(--accent);
  background:rgba(57,255,20,.08);
  color:var(--accent)
}

.tool-accent{
  border-color:var(--action);
  color:var(--action)
}

.tool-accent:hover{
  background:var(--action);
  color:var(--bg-void)
}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:4px;
  background:transparent;
  transition:border-color .2s var(--ease),background .2s var(--ease)
}

.nav-toggle:hover{
  border-color:var(--accent);
  background:rgba(57,255,20,.06)
}

.nav-toggle:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px
}

.toggle-bar{
  width:20px;
  height:2px;
  background:var(--text-hi);
  transition:transform .25s var(--ease),opacity .2s,background .2s
}

.nav-toggle:hover .toggle-bar{
  background:var(--accent)
}

.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
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3){
  transform:translateY(-7px) rotate(-45deg)
}

.site-footer{
  background:#071522;
  border-top:1px solid var(--line);
  margin-top:auto
}

.footer-rule{
  height:3px;
  background:repeating-linear-gradient(90deg,var(--accent) 0,var(--accent) 12px,transparent 12px,transparent 24px);
  opacity:.3
}

.footer-inner{
  max-width:var(--container);
  margin-inline:auto;
  padding:40px 24px 24px;
  display:grid;
  grid-template-columns:1.6fr .8fr 1fr;
  gap:40px
}

.footer-block{
  min-width:0
}

.footer-brand-link{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  margin-bottom:14px
}

.footer-brand-text{
  display:flex;
  flex-direction:column;
  gap:2px
}

.footer-brand-text strong{
  font-family:var(--font-head);
  font-size:1.05rem;
  color:var(--text-hi)
}

.footer-brand-text small{
  font-family:var(--font-mono);
  font-size:.6rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent)
}

.footer-statement{
  font-size:.85rem;
  color:var(--text-lo);
  line-height:1.75;
  border-left:2px solid var(--accent);
  padding-left:14px;
  max-width:44em
}

.footer-heading{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:14px;
  padding-bottom:6px;
  border-bottom:1px solid var(--line)
}

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

.footer-link-list a{
  display:inline-block;
  color:var(--text-hi);
  text-decoration:none;
  font-size:.9rem;
  transition:color .2s,padding-left .2s
}

.footer-link-list a:hover{
  color:var(--accent);
  padding-left:5px
}

.footer-contact-list{
  display:flex;
  flex-direction:column;
  gap:10px
}

.footer-contact-list li{
  display:flex;
  gap:10px;
  font-size:.85rem;
  color:var(--text-hi);
  line-height:1.5
}

.contact-label{
  font-family:var(--font-mono);
  font-size:.68rem;
  color:var(--text-lo);
  min-width:32px;
  display:inline-block;
  flex-shrink:0;
  padding-top:2px
}

.footer-bottom{
  max-width:var(--container);
  margin-inline:auto;
  padding:14px 24px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:.8rem;
  color:var(--text-lo)
}

@media (max-width:1080px){
  .header-inner{
    padding:0 16px;
    gap:8px
  }

  .nav-item a{
    padding:8px 6px;
    font-size:.8rem
  }

  .nav-index{
    display:none
  }

  .tool-link{
    font-size:.65rem;
    padding:6px 10px
  }

  .brand-slogan{
    font-size:.55rem
  }

  .footer-inner{
    grid-template-columns:1.2fr .8fr 1fr;
    gap:24px
  }
}

@media (max-width:768px){
  body{
    font-size:.95rem
  }

  .container{
    width:min(100% - 32px,var(--container))
  }

  .header-inner{
    height:var(--header-h-mobile);
    padding:0 14px
  }

  .brand-badge{
    width:36px;
    height:36px;
    font-size:.95rem
  }

  .brand-name{
    font-size:1rem
  }

  .brand-slogan{
    display:none
  }

  .site-nav{
    position:fixed;
    top:var(--header-h-mobile);
    right:0;
    width:300px;
    max-width:85vw;
    height:calc(100vh - var(--header-h-mobile));
    background:var(--bg-card);
    border-left:1px solid var(--line);
    padding:20px 18px;
    transform:translateX(100%);
    transition:transform .25s var(--ease),visibility .25s;
    overflow-y:auto;
    z-index:999;
    visibility:hidden;
    display:block
  }

  .site-nav[data-open]{
    transform:translateX(0);
    visibility:visible
  }

  .nav-label{
    display:block;
    margin-bottom:18px;
    margin-right:0;
    font-size:.68rem
  }

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px
  }

  .nav-item a{
    padding:12px 10px;
    font-size:.92rem;
    border-bottom:1px solid rgba(30,58,95,.5)
  }

  .nav-item a::after{
    display:none
  }

  .nav-item a[aria-current="page"]{
    background:rgba(57,255,20,.06);
    padding-left:14px
  }

  .nav-index{
    display:inline;
    font-size:.7rem
  }

  .tool-link{
    display:none
  }

  .nav-toggle{
    display:flex
  }

  .footer-inner{
    grid-template-columns:1fr;
    gap:28px;
    padding:32px 16px 20px
  }

  .footer-bottom{
    flex-direction:column;
    text-align:center;
    padding:16px
  }

  .breadcrumb{
    padding:12px 0;
    font-size:.7rem
  }

  .section{
    padding-block:32px
  }
}

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

  *,*::before,*::after{
    transition:none !important;
    animation:none !important
  }

  .site-nav{
    transition:none !important
  }
}