:root{
  --ff-orange:#FF4F00;
  --ff-deep:#0B0F19;
  --ff-blue:#00B4D8;
  --ff-green:#0E7C66;
  --ff-wine:#7B2D2D;
  --ff-purple:#6A3FBF;
  --ff-paper:#F4F7FB;
  --ff-line:#CBD5E1;
  --ff-white:#FFFFFF;
  --ff-charcoal:#1E293B;
  --ff-body:#1E293B;
  --ff-bg:#0B0F19;
  --ff-text:#F4F7FB;
  --ff-muted:#94A3B8;
  --ff-maxw:1280px;
  --ff-radius:4px;
  --ff-header-h:76px;
  --ff-font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ff-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --ff-ease:cubic-bezier(0.22,1,0.36,1);
  --ff-transition:0.4s var(--ff-ease);
  --ff-shadow:0 20px 50px rgba(0,0,0,0.45);
  --ff-glow:0 0 40px rgba(255,79,0,0.35);
}
*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  font-family:var(--ff-font-family);
  font-size:16px;
  line-height:1.6;
  color:var(--ff-text);
  background:var(--ff-bg);
  overflow-x:hidden;
}
img,svg,video{
  display:block;
  max-width:100%;
  height:auto;
}
a{
  color:var(--ff-blue);
  text-decoration:none;
  transition:color 0.25s ease,border-color 0.25s ease,background 0.25s ease;
}
a:hover{
  color:var(--ff-orange);
}
ul,ol{
  list-style:none;
}
button,input,select,textarea{
  font-family:inherit;
  font-size:inherit;
  line-height:inherit;
}
button{
  border:none;
  background:none;
  cursor:pointer;
  color:inherit;
}
:focus-visible{
  outline:4px solid var(--ff-orange);
  outline-offset:4px;
  border-radius:2px;
}
.container{
  width:100%;
  max-width:var(--ff-maxw);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.main-content{
  min-height:70vh;
  outline:none;
}
.section{
  padding:88px 0;
  position:relative;
}
.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:absolute;
  top:-60px;
  left:24px;
  z-index:10000;
  background:var(--ff-orange);
  color:var(--ff-white);
  padding:12px 24px;
  font-weight:700;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 100%,10px 100%);
  transition:top 0.3s var(--ff-ease);
}
.skip-link:focus{
  top:0;
  color:var(--ff-white);
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(11,15,25,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,79,0,0.3);
  box-shadow:0 8px 30px rgba(0,0,0,0.3);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:var(--ff-header-h);
  gap:24px;
  position:relative;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:var(--ff-white);
  font-weight:900;
  font-size:22px;
  letter-spacing:2px;
  text-transform:uppercase;
  transition:color 0.3s ease;
}
.brand-logo:hover{
  color:var(--ff-orange);
}
.brand-mark{
  width:32px;
  height:32px;
  background:linear-gradient(135deg,var(--ff-orange) 0%,var(--ff-wine) 100%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  top:6px;
  right:6px;
  width:12px;
  height:12px;
  background:var(--ff-white);
  clip-path:polygon(100% 0,100% 100%,0 100%);
  opacity:0.25;
}
.brand-text{
  display:flex;
  align-items:baseline;
  gap:4px;
}
.brand-highlight{
  color:var(--ff-orange);
}
.brand-tagline{
  display:none;
  font-size:11px;
  font-weight:400;
  letter-spacing:1.5px;
  color:var(--ff-muted);
  border-left:1px solid rgba(255,79,0,0.5);
  padding-left:12px;
  margin-left:4px;
  text-transform:uppercase;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  display:inline-block;
  position:relative;
  padding:10px 16px;
  font-size:14px;
  font-weight:700;
  letter-spacing:0.5px;
  color:var(--ff-paper);
  text-decoration:none;
  transition:color 0.3s ease,transform 0.3s ease;
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:3px;
  background:var(--ff-orange);
  transition:width 0.35s var(--ff-ease);
}
.nav-link:hover{
  color:var(--ff-orange);
  transform:translateY(-2px);
}
.nav-link:hover::before{
  width:100%;
}
.nav-link[aria-current="page"]{
  color:var(--ff-orange);
  background:rgba(255,79,0,0.08);
}
.nav-link[aria-current="page"]::before{
  width:100%;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:6px;
  width:48px;
  height:48px;
  padding:10px;
  border:1px solid rgba(203,213,225,0.2);
  background:rgba(255,255,255,0.03);
  border-radius:4px;
}
.nav-toggle-bar{
  display:block;
  width:24px;
  height:2px;
  background:var(--ff-orange);
  transition:transform 0.35s var(--ff-ease),opacity 0.35s ease;
  clip-path:polygon(0 0,100% 0,calc(100% - 4px) 100%,4px 100%);
}
.nav-toggle-label{
  font-size:10px;
  letter-spacing:1px;
  color:var(--ff-muted);
  font-weight:700;
  text-transform:uppercase;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){
  transform:translateY(8px) 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(-8px) rotate(-45deg);
}
.site-footer{
  background:var(--ff-deep);
  border-top:1px solid rgba(255,79,0,0.25);
  padding:72px 0 0;
  color:var(--ff-paper);
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:60%;
  height:100%;
  background:linear-gradient(135deg,transparent 0%,rgba(255,79,0,0.04) 100%);
  clip-path:polygon(30% 0,100% 0,100% 100%,0 100%);
  pointer-events:none;
}
.footer-inner{
  position:relative;
  z-index:2;
}
.footer-head{
  border-bottom:1px solid rgba(203,213,225,0.12);
  padding-bottom:48px;
  margin-bottom:48px;
  display:grid;
  grid-template-columns:1fr 1.5fr;
  gap:48px;
  align-items:start;
}
.footer-brand{
  font-size:42px;
  font-weight:900;
  letter-spacing:2px;
  color:var(--ff-white);
  line-height:1.1;
  text-transform:uppercase;
  font-style:italic;
}
.footer-brand-accent{
  color:var(--ff-orange);
}
.footer-statement{
  font-size:18px;
  line-height:1.8;
  color:var(--ff-muted);
  max-width:520px;
  border-left:4px solid var(--ff-orange);
  padding-left:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-info,.footer-links,.footer-products{
  min-width:0;
}
.footer-title{
  font-size:14px;
  font-weight:900;
  letter-spacing:4px;
  text-transform:uppercase;
  color:var(--ff-orange);
  margin-bottom:24px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(255,79,0,0.2);
}
.footer-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-link{
  color:var(--ff-paper);
  font-size:15px;
  padding:4px 0;
  display:inline-block;
  position:relative;
  transition:color 0.3s ease,padding-left 0.3s ease;
}
.footer-link::before{
  content:"→";
  position:absolute;
  left:-18px;
  color:var(--ff-orange);
  opacity:0;
  transition:opacity 0.3s ease,left 0.3s ease;
  font-weight:700;
}
.footer-link:hover{
  color:var(--ff-orange);
  padding-left:4px;
}
.footer-link:hover::before{
  opacity:1;
  left:-4px;
}
.footer-address{
  font-size:15px;
  color:var(--ff-muted);
  padding-top:4px;
}
.footer-legal{
  border-top:1px solid rgba(203,213,225,0.12);
  padding:24px 0 28px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:14px;
  color:var(--ff-muted);
}
.footer-copy,.footer-icp{
  letter-spacing:1px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 32px;
  font-size:15px;
  font-weight:900;
  letter-spacing:1.5px;
  text-transform:uppercase;
  border:none;
  cursor:pointer;
  color:var(--ff-white);
  background:var(--ff-charcoal);
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  transition:transform 0.3s var(--ff-ease),box-shadow 0.3s var(--ff-ease),background 0.3s ease;
  position:relative;
}
.btn:hover{
  transform:translateY(-3px) skewX(-2deg);
  box-shadow:0 15px 30px rgba(0,0,0,0.3);
  color:var(--ff-white);
}
.btn-primary{
  background:linear-gradient(135deg,var(--ff-orange),#e84400);
  box-shadow:0 6px 20px rgba(255,79,0,0.3);
}
.btn-primary:hover{
  box-shadow:var(--ff-glow);
  background:linear-gradient(135deg,#ff5e17,#ff4f00);
}
.tag{
  display:inline-block;
  font-size:12px;
  font-weight:900;
  letter-spacing:2px;
  text-transform:uppercase;
  padding:6px 14px;
  background:rgba(255,79,0,0.12);
  color:var(--ff-orange);
  border-left:3px solid var(--ff-orange);
  clip-path:polygon(6px 0,100% 0,calc(100% - 6px) 100%,0 100%);
}
.data-panel{
  background:var(--ff-deep);
  border:1px solid rgba(203,213,225,0.12);
  border-left:4px solid var(--ff-orange);
  border-radius:var(--ff-radius);
  padding:32px;
  position:relative;
  overflow:hidden;
}
.data-panel::after{
  content:"";
  position:absolute;
  right:-30px;
  bottom:-30px;
  width:100px;
  height:100px;
  background:var(--ff-purple);
  opacity:0.15;
  clip-path:polygon(0 0,100% 0,0 100%);
}
.page-hero{
  padding:96px 0 72px;
  position:relative;
  background:radial-gradient(ellipse at 80% 20%,rgba(106,63,191,0.18) 0%,transparent 50%),radial-gradient(ellipse at 20% 80%,rgba(255,79,0,0.15) 0%,transparent 50%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
}
.page-hero-title{
  font-size:64px;
  line-height:1.05;
  font-weight:900;
  font-style:italic;
  letter-spacing:-2px;
  color:var(--ff-white);
  text-transform:uppercase;
}
.page-hero-title em{
  color:var(--ff-orange);
  font-style:italic;
}
.page-hero-subtitle{
  font-size:18px;
  color:var(--ff-muted);
  max-width:560px;
  margin-top:20px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:14px;
  color:var(--ff-muted);
  padding-top:0;
  padding-bottom:32px;
}
.breadcrumb a{
  color:var(--ff-blue);
  font-weight:500;
}
.breadcrumb a:hover{
  color:var(--ff-orange);
}
.breadcrumb-separator{
  color:var(--ff-orange);
  font-weight:900;
}
.img-placeholder{
  position:relative;
  width:100%;
  background:linear-gradient(145deg,rgba(106,63,191,0.2) 0%,rgba(11,15,25,1) 100%);
  border:1px solid rgba(203,213,225,0.15);
  overflow:hidden;
  aspect-ratio:16/9;
  display:flex;
  align-items:center;
  justify-content:center;
}
.img-placeholder::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,transparent 0%,rgba(255,79,0,0.12) 50%,transparent 100%);
  animation:scan 3.5s ease-in-out infinite;
}
.img-placeholder::after{
  content:"IMG";
  font-family:var(--ff-mono);
  font-size:24px;
  font-weight:700;
  letter-spacing:8px;
  color:rgba(244,247,251,0.35);
  z-index:2;
}
.img-placeholder.ar-4-3{
  aspect-ratio:4/3;
}
.img-placeholder.ar-1-1{
  aspect-ratio:1/1;
}
@keyframes scan{
  0%{transform:translateX(-100%);}
  100%{transform:translateX(100%);}
}
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:4px;
  background:transparent;
  z-index:2000;
  pointer-events:none;
}
.scroll-progress-bar{
  display:block;
  width:0%;
  height:100%;
  background:linear-gradient(90deg,var(--ff-orange),var(--ff-wine),var(--ff-purple));
  border-right:2px solid var(--ff-white);
  box-shadow:0 0 12px rgba(255,79,0,0.6);
  transition:width 0.12s linear;
}
@media (max-width: 1024px){
  .footer-head{
    grid-template-columns:1fr;
    gap:24px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
}
@media (max-width: 768px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .section{
    padding:56px 0;
  }
  .header-inner{
    flex-wrap:wrap;
    min-height:auto;
    padding:14px 0;
  }
  .brand-logo{
    font-size:18px;
  }
  .brand-tagline{
    display:none;
  }
  .nav-toggle{
    display:flex;
    flex-shrink:0;
  }
  .site-nav{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 0;
  }
  .site-nav[data-open]{
    display:flex;
  }
  .site-nav .nav-link{
    display:block;
    padding:14px 16px;
    font-size:16px;
    border-bottom:1px solid rgba(203,213,225,0.08);
    clip-path:none;
  }
  .site-nav .nav-link::before{
    width:3px;
    height:100%;
    left:0;
    top:0;
  }
  .site-nav .nav-link:hover::before,.site-nav .nav-link[aria-current="page"]::before{
    width:3px;
  }
  .page-hero{
    padding:48px 0 48px;
  }
  .page-hero-title{
    font-size:40px;
    letter-spacing:-1px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-head{
    padding-bottom:32px;
    margin-bottom:32px;
  }
  .footer-legal{
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-brand{
    font-size:34px;
  }
}
@media (max-width: 480px){
  .page-hero-title{
    font-size:34px;
  }
  .btn{
    width:100%;
    text-align:center;
  }
}
@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-bar{
    transition:none;
  }
}