:root{
  --c-deep:#0B1026;
  --c-deeper:#05081A;
  --c-orange:#FF6B35;
  --c-neon:#39FF14;
  --c-gray:#2A2A35;
  --c-terra:#C1654C;
  --c-moss:#7A8B5A;
  --c-offwhite:#F2F0E8;
  --c-teal:#4A6572;
  --font-head:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --font-body:'PingFang SC','Helvetica Neue',system-ui,-apple-system,sans-serif;
  --font-mono:'Roboto Mono','SF Mono',ui-monospace,SFMono-Regular,monospace;
  --container-max:1280px;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-glass:0 8px 32px rgba(2,4,12,.45),0 0 0 1px rgba(242,240,232,.03);
  --shadow-glow-green:0 0 24px rgba(57,255,20,.12);
  --shadow-glow-orange:0 0 28px rgba(255,107,53,.14);
  --header-pad:clamp(.75rem,2vw,1.25rem);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.75;
  color:var(--c-offwhite);
  background-color:var(--c-deep);
  background-image:
    radial-gradient(ellipse 120% 50% at 70% -10%,rgba(57,255,20,.05) 0%,transparent 60%),
    radial-gradient(ellipse 80% 40% at 10% 20%,rgba(255,107,53,.05) 0%,transparent 50%),
    linear-gradient(180deg,var(--c-deep) 0%,var(--c-deeper) 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media(max-width:767.98px){
  body{background-attachment:scroll;}
}
img{max-width:100%;display:block;}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer;}
h1,h2,h3{
  font-family:var(--font-head);
  font-weight:900;
  color:var(--c-offwhite);
  line-height:1.2;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2.5rem,5vw,4rem);}
h2{font-size:clamp(1.75rem,3vw,2.5rem);}
h3{font-size:clamp(1.25rem,2vw,1.6rem);}
p{margin-bottom:1rem;}
a{color:var(--c-offwhite);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-neon);}
:focus-visible{
  outline:2px solid var(--c-neon);
  outline-offset:3px;
  border-radius:4px;
}
.container{
  width:100%;
  max-width:var(--container-max);
  margin-inline:auto;
  padding-inline:clamp(1rem,4vw,2.25rem);
}
.section{
  position:relative;
  padding:clamp(3.5rem,8vw,7rem) 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:1.5rem;
  margin-bottom:clamp(2rem,5vw,3.5rem);
}
@media(max-width:767.98px){
  .section-head{flex-direction:column;align-items:flex-start;}
}
.page-hero{
  position:relative;
  padding:clamp(8rem,14vw,11rem) 0 clamp(2rem,4vw,4rem);
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(80% 60% at 80% 10%,rgba(57,255,20,.06),transparent 60%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.page-hero-inner{
  display:flex;
  flex-direction:column;
  gap:1.5rem;
  max-width:960px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  font-size:.875rem;
  color:rgba(242,240,232,.5);
}
.breadcrumb a{color:rgba(242,240,232,.7);}
.breadcrumb a:hover{color:var(--c-neon);}
.breadcrumb-sep{color:rgba(242,240,232,.3);font-family:var(--font-mono);}
.breadcrumb-active{color:var(--c-offwhite);font-weight:600;}
.grid-split{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(2rem,6vw,5rem);
  align-items:center;
}
@media(max-width:767.98px){
  .grid-split{grid-template-columns:1fr;}
}
.rich-text{max-width:72ch;color:rgba(242,240,232,.85);}
.rich-text p{margin-bottom:1.25rem;}
.rich-text a{color:var(--c-orange);text-decoration:underline;text-decoration-color:rgba(255,107,53,.35);text-underline-offset:4px;}
.rich-text a:hover{color:var(--c-neon);text-decoration-color:rgba(57,255,20,.6);}
.section-chapter{
  display:flex;
  align-items:baseline;
  gap:.9rem;
  margin-bottom:1.5rem;
}
.section-index{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(2.25rem,5vw,3.5rem);
  line-height:1;
  color:var(--c-neon);
  text-shadow:0 0 24px rgba(57,255,20,.3);
}
.section-tag{
  font-size:.8rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.75rem 1.75rem;
  border-radius:999px;
  font-size:1rem;
  font-weight:700;
  line-height:1.4;
  color:var(--c-offwhite);
  background:transparent;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
  text-decoration:none;
}
.btn-primary{
  background:var(--c-orange);
  color:var(--c-deep);
  border-color:var(--c-orange);
  box-shadow:0 4px 16px rgba(255,107,53,.3);
}
.btn-primary:hover{
  background:#ff7a4d;
  color:var(--c-deep);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,107,53,.42);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 2px 8px rgba(255,107,53,.3);
}
.btn-ghost{
  border-color:rgba(242,240,232,.25);
  color:var(--c-offwhite);
}
.btn-ghost:hover{
  border-color:var(--c-neon);
  color:var(--c-neon);
  box-shadow:0 0 20px rgba(57,255,20,.1);
}
.dashboard-panel{
  background:rgba(42,42,53,.55);
  border:1px solid rgba(242,240,232,.09);
  border-radius:var(--radius-lg);
  padding:clamp(1.25rem,3vw,2rem);
  position:relative;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass);
}
.stat-card{
  background:rgba(42,42,53,.5);
  border:1px solid rgba(242,240,232,.08);
  border-radius:var(--radius-md);
  padding:1.25rem 1.5rem;
  position:relative;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.stat-card:hover{
  border-color:rgba(57,255,20,.35);
  box-shadow:0 0 20px rgba(57,255,20,.06);
  transform:translateY(-2px);
}
.stat-label{
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.stat-value{
  font-family:var(--font-mono);
  font-size:2rem;
  font-weight:700;
  color:var(--c-neon);
  line-height:1.2;
  margin-top:.5rem;
}
.visual-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:rgba(42,42,53,.35);
  border:1px solid rgba(242,240,232,.1);
  aspect-ratio:4/3;
  box-shadow:var(--shadow-glass);
}
.visual-frame img,.visual-frame video{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.visual-placeholder{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:rgba(242,240,232,.35);
  background:
    linear-gradient(135deg,rgba(57,255,20,.05) 0%,transparent 50%),
    repeating-linear-gradient(-45deg,transparent 0 12px,rgba(242,240,232,.04) 12px 13px);
}
.corner-cut{
  clip-path:polygon(0 0,calc(100% - 28px) 0,100% 28px,100% 100%,0 100%);
}
.speed-lines{
  position:relative;
  overflow:hidden;
}
.speed-lines::before{
  content:'';
  position:absolute;
  top:0;
  bottom:0;
  left:-20%;
  width:60%;
  background:linear-gradient(100deg,transparent 0%,rgba(255,107,53,.08) 25%,rgba(57,255,20,.05) 60%,transparent 100%);
  transform:skewX(-18deg);
  pointer-events:none;
}
.speed-lines::after{
  content:'';
  position:absolute;
  width:280px;
  height:4px;
  border-radius:2px;
  background:linear-gradient(90deg,transparent,rgba(57,255,20,.4),transparent);
  top:18%;
  right:-5%;
  transform:rotate(-15deg);
  pointer-events:none;
}
.skip-link{
  position:fixed;
  top:-120px;
  left:1rem;
  z-index:1002;
  background:var(--c-neon);
  color:var(--c-deep);
  font-weight:800;
  font-size:.875rem;
  padding:.625rem 1.25rem;
  border-radius:999px;
  text-decoration:none;
  box-shadow:0 0 16px rgba(57,255,20,.4);
  transition:top .2s ease;
}
.skip-link:focus,.skip-link:focus-visible{
  top:1rem;
  outline:none;
  box-shadow:0 0 0 4px rgba(11,16,38,.5),0 0 16px rgba(57,255,20,.5);
}
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  display:flex;
  justify-content:center;
  padding:var(--header-pad) clamp(1rem,3vw,2.5rem);
  pointer-events:none;
}
.scroll-progress{
  position:absolute;
  top:0;
  left:0;
  right:0;
  width:0%;
  height:3px;
  z-index:10;
  background:linear-gradient(90deg,var(--c-neon),var(--c-orange));
  box-shadow:0 0 12px rgba(57,255,20,.6);
  pointer-events:none;
}
.capsule-nav{
  pointer-events:auto;
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.5rem;
  width:100%;
  max-width:1320px;
  min-height:64px;
  padding:.5rem .6rem;
  background:rgba(11,16,38,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(57,255,20,.15);
  border-radius:999px;
  box-shadow:0 8px 32px rgba(5,8,26,.5),0 0 24px rgba(57,255,20,.05);
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.site-header[data-scrolled] .capsule-nav{
  background:rgba(11,16,38,.9);
  border-color:rgba(57,255,20,.35);
  box-shadow:0 8px 32px rgba(5,8,26,.6),0 0 32px rgba(57,255,20,.12);
}
.capsule-brand{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  flex-shrink:0;
  padding:.35rem .9rem;
  border-radius:999px;
  text-decoration:none;
}
.brand-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  font-size:1.1rem;
  font-weight:900;
  color:var(--c-deep);
  background:linear-gradient(135deg,var(--c-neon) 0%,#7CFF5B 100%);
  border-radius:10px;
  box-shadow:0 0 12px rgba(57,255,20,.4);
  clip-path:polygon(0 0,70% 0,100% 30%,100% 100%,0 100%);
}
.brand-name{
  font-family:var(--font-head);
  font-size:1.05rem;
  font-weight:900;
  letter-spacing:.04em;
  color:var(--c-offwhite);
  transition:color .2s ease;
}
.capsule-brand:hover .brand-name{color:var(--c-neon);}
.site-nav{
  display:flex;
  align-items:center;
  gap:.15rem;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.45rem .85rem;
  border-radius:999px;
  color:rgba(242,240,232,.75);
  font-size:.875rem;
  font-weight:500;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-index{
  font-family:var(--font-mono);
  font-size:.6875rem;
  font-weight:700;
  color:var(--c-neon);
  opacity:.6;
  transition:opacity .2s ease,color .2s ease;
}
.nav-label{line-height:1;padding-top:1px;}
.nav-link:hover{
  color:var(--c-orange);
  background:rgba(255,107,53,.08);
  box-shadow:inset 0 0 0 1px rgba(255,107,53,.2);
}
.nav-link:hover .nav-index{opacity:1;color:var(--c-orange);}
.nav-link[aria-current="page"]{
  color:var(--c-neon);
  background:rgba(57,255,20,.08);
  box-shadow:inset 0 0 0 1px rgba(57,255,20,.35);
}
.nav-link[aria-current="page"] .nav-index{opacity:1;color:var(--c-orange);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid rgba(242,240,232,.2);
  background:rgba(42,42,53,.4);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  flex-shrink:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle:hover{border-color:rgba(57,255,20,.4);}
.nav-toggle:focus-visible{
  outline:none;
  border-color:var(--c-neon);
  box-shadow:0 0 0 3px rgba(57,255,20,.35);
}
.nav-toggle-bar{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-offwhite);
  transition:transform .25s ease,opacity .25s ease,background .25s ease;
}
@media(max-width:1023.98px){
  .nav-toggle{display:inline-flex;}
  .capsule-nav{
    min-height:56px;
    padding:.4rem .55rem;
    gap:.25rem;
  }
  .capsule-brand{padding:.3rem .7rem;}
  .site-nav{
    position:absolute;
    top:calc(100% + 14px);
    left:0;
    right:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:.2rem;
    padding:.5rem;
    background:rgba(11,16,38,.96);
    border:1px solid rgba(57,255,20,.18);
    border-radius:24px;
    box-shadow:0 16px 40px rgba(5,8,26,.6),0 0 24px rgba(57,255,20,.08);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
  }
  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-link{
    display:flex;
    align-items:center;
    width:100%;
    padding:.75rem 1rem;
    border-radius:14px;
  }
  .nav-link[aria-current="page"]{
    color:var(--c-neon);
    background:rgba(57,255,20,.1);
    box-shadow:none;
    transform:translateX(4px);
  }
  .nav-index{min-width:2.1rem;}
  .nav-toggle[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--c-neon);}
  .nav-toggle[data-open] .nav-toggle-bar:nth-child(2){opacity:0;}
  .nav-toggle[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--c-neon);}
}
@media(min-width:1024px){
  .nav-toggle[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--c-neon);}
  .nav-toggle[data-open] .nav-toggle-bar:nth-child(2){opacity:0;}
  .nav-toggle[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--c-neon);}
}
.site-footer{
  position:relative;
  z-index:1;
  background:linear-gradient(180deg,var(--c-deep) 0%,var(--c-deeper) 100%);
  border-top:1px solid rgba(242,240,232,.06);
  overflow:hidden;
}
.footer-glow{
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,transparent 0%,rgba(57,255,20,.65) 25%,rgba(255,107,53,.65) 50%,rgba(57,255,20,.4) 75%,transparent 100%);
  background-size:220% 100%;
  pointer-events:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:clamp(2rem,4vw,4rem);
  padding-top:4.5rem;
  padding-bottom:3.5rem;
}
.footer-brand-col{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:1rem;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
}
.footer-brand-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  background:var(--c-orange);
  color:var(--c-deep);
  font-weight:900;
  font-size:1.25rem;
  border-radius:12px;
  box-shadow:0 0 18px rgba(255,107,53,.25);
  transform:rotate(-8deg);
}
.footer-brand-name{
  font-family:var(--font-head);
  font-size:1.35rem;
  font-weight:900;
  letter-spacing:.06em;
  color:var(--c-offwhite);
}
.footer-tagline{
  font-family:var(--font-mono);
  font-size:.9rem;
  color:var(--c-neon);
  letter-spacing:.08em;
  text-shadow:0 0 14px rgba(57,255,20,.35);
}
.footer-note{
  font-size:.875rem;
  line-height:1.8;
  color:rgba(242,240,232,.55);
  max-width:34ch;
}
.footer-col{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:1rem;
}
.footer-heading{
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(242,240,232,.5);
  padding-bottom:.6rem;
  border-bottom:1px solid rgba(242,240,232,.08);
  width:100%;
}
.footer-link-list{
  display:flex;
  flex-direction:column;
  gap:.35rem;
  width:100%;
}
.footer-link{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  width:fit-content;
  color:rgba(242,240,232,.45);
  font-size:.95rem;
  transition:color .2s ease,transform .2s ease;
}
.footer-link::before{
  content:'';
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--c-teal);
  transition:background .2s ease;
}
.footer-link:hover{
  color:var(--c-neon);
  transform:translateX(4px);
}
.footer-link:hover::before{background:var(--c-neon);}
.footer-contact-item{
  display:flex;
  flex-direction:column;
  gap:.15rem;
  margin-bottom:1rem;
}
.footer-contact-label{
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-teal);
}
.footer-contact-value{
  font-size:.95rem;
  color:rgba(242,240,232,.8);
  line-height:1.5;
}
.footer-bottom{
  border-top:1px solid rgba(242,240,232,.07);
  padding:1.4rem 0;
  background:rgba(5,8,26,.45);
}
.footer-bottom-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.75rem;
}
.footer-copy{
  font-size:.875rem;
  color:rgba(242,240,232,.5);
}
.footer-icp{
  font-family:var(--font-mono);
  font-size:.8rem;
  color:rgba(242,240,232,.35);
  letter-spacing:.06em;
}
@media(max-width:1023.98px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:3rem 2rem;
    padding-top:3.5rem;
  }
  .footer-contact-col{grid-column:1 / -1;}
}
@media(max-width:767.98px){
  .footer-grid{grid-template-columns:1fr;gap:2.5rem;}
  .footer-contact-col{grid-column:auto;}
  .footer-bottom-row{flex-direction:column;justify-content:center;text-align:center;}
}
.backtop{
  position:fixed;
  right:1.25rem;
  bottom:1.25rem;
  z-index:899;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid rgba(57,255,20,.3);
  background:rgba(11,16,38,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:var(--c-neon);
  font-size:1.2rem;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s,box-shadow .3s,border-color .3s;
  pointer-events:none;
}
.backtop.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
  pointer-events:auto;
}
.backtop.is-visible:hover{
  border-color:var(--c-neon);
  box-shadow:0 0 20px rgba(57,255,20,.28);
  transform:translateY(-2px);
}
.backtop.is-visible:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(57,255,20,.35),0 0 20px rgba(57,255,20,.28);
}
.backtop-arrow{
  font-family:var(--font-mono);
  font-size:1.25rem;
  line-height:1;
}
@media(prefers-reduced-motion:no-preference){
  .footer-glow{
    animation:footer-glow-move 4s linear infinite;
  }
  .site-footer .footer-glow{
    animation-name:footer-glow-move;
  }
  @keyframes footer-glow-move{
    0%{background-position:0% 0;}
    100%{background-position:220% 0;}
  }
}
@media(prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  html{scroll-behavior:auto !important;}
  .footer-glow{animation:none !important;}
}