*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0B0B10;
  --bg-2:#10101A;
  --bg-3:#151525;
  --panel:#171728;
  --primary:#FF3D2E;
  --primary-soft:rgba(255,61,46,0.12);
  --secondary:#8E2DE2;
  --accent:#4A00E0;
  --gradient-fire:linear-gradient(135deg,#FF3D2E,#8E2DE2 60%,#4A00E0);
  --text:#E5E5E5;
  --muted:#9A9A9A;
  --gold:#D4AF37;
  --danger:#FF6B4A;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.15);
  --font-headline:'ZCOOL KuHei','Source Han Sans CN','Noto Sans CJK SC','Microsoft YaHei',sans-serif;
  --font-body:'Source Han Sans CN','Noto Sans CJK SC','Microsoft YaHei',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','SF Mono','Cascadia Mono',Consolas,monospace;
  --radius:8px;
  --content-w:1280px;
  --header-w:1440px;
  color-scheme:dark;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  min-height:100vh;
  overflow-x:hidden;
}
img,picture,video,canvas,svg{display:block;max-width:100%;height:auto}
input,button,textarea,select{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;font-weight:900;font-family:var(--font-headline)}
::selection{background:var(--primary);color:#fff}

.skip-link{
  position:fixed;
  top:-120px;
  left:24px;
  z-index:300;
  background:var(--primary);
  color:#fff;
  font-weight:800;
  padding:12px 20px;
  border-radius:0 0 6px 6px;
  transition:top .2s ease;
  font-size:14px;
  box-shadow:0 8px 24px rgba(255,61,46,.4)
}
.skip-link:focus-visible{top:0}

.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(11,11,16,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .3s,box-shadow .3s,border-color .3s
}
.site-header[data-scrolled]{
  background:rgba(11,11,16,.97);
  border-bottom-color:rgba(255,61,46,.65);
  box-shadow:0 16px 36px rgba(0,0,0,.45)
}
.header-shell{
  max-width:var(--header-w);
  margin:0 auto;
  padding:0 clamp(16px,3vw,40px);
  position:relative
}
.header-primary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0 12px;
  border-bottom:1px solid var(--line)
}
.site-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0
}
.brand-symbol{
  position:relative;
  width:30px;
  height:30px;
  flex:0 0 30px;
  background:var(--gradient-fire);
  clip-path:polygon(55% 0,100% 100%,0 100%);
  transform:skewX(-8deg);
  filter:drop-shadow(0 0 12px rgba(255,61,46,.5))
}
.brand-symbol-core{
  position:absolute;
  inset:6px;
  background:var(--bg);
  clip-path:polygon(50% 0,100% 100%,0 100%)
}
.brand-text-group{
  display:grid;
  gap:0;
  line-height:1.15
}
.brand-name{
  font-family:var(--font-headline);
  font-size:1.25rem;
  font-weight:900;
  letter-spacing:.12em;
  color:#fff
}
.brand-en{
  font-family:var(--font-mono);
  font-size:.63rem;
  letter-spacing:.22em;
  color:var(--muted)
}
.header-command{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0
}
.command-version{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 12px;
  border:1px solid var(--line-strong);
  border-radius:4px;
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--text);
  background:rgba(255,255,255,.03);
  transition:border-color .2s,background .2s
}
.command-version:hover{
  border-color:var(--primary);
  background:var(--primary-soft)
}
.cv-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(255,61,46,.7);
  animation:cvd-pulse 2s ease-in-out infinite
}
@keyframes cvd-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.72)}}
.cv-label{color:var(--muted);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em}
.cv-num{font-weight:700;color:var(--primary)}
.command-fresh{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border:1px solid rgba(255,61,46,.45);
  border-radius:4px;
  font-size:.78rem;
  font-weight:700;
  color:var(--primary);
  background:var(--primary-soft);
  transition:background .2s,border-color .2s,box-shadow .2s
}
.command-fresh:hover{
  background:rgba(255,61,46,.2);
  border-color:var(--primary);
  box-shadow:0 0 18px rgba(255,61,46,.25)
}
.cf-spark{
  width:6px;
  height:6px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 8px #fff,0 0 14px var(--primary);
  animation:cf-flash 1.4s ease-in-out infinite
}
@keyframes cf-flash{0%,100%{opacity:.4}50%{opacity:1}}

.header-secondary{
  position:relative;
  display:flex;
  align-items:stretch;
  min-height:44px
}
.site-nav{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:calc(100% - 56px)
}
.nav-list{
  display:flex;
  align-items:center;
  flex-wrap:nowrap
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:44px;
  padding:0 14px;
  font-size:.88rem;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text);
  white-space:nowrap;
  transition:color .2s,background .2s
}
.nav-link::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:3px;
  background:var(--gradient-fire);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease
}
.nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.04)
}
.nav-link:hover::after{
  transform:scaleX(1)
}
.nav-link[aria-current="page"]{
  color:var(--primary)
}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  box-shadow:0 0 14px rgba(255,61,46,.7)
}
.nav-index{
  font-family:var(--font-mono);
  font-size:.64rem;
  color:var(--muted);
  letter-spacing:.06em;
  transition:color .2s
}
.nav-link:hover .nav-index,
.nav-link[aria-current="page"] .nav-index{
  color:var(--primary)
}
.nav-tool-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  margin-left:8px;
  padding:0 14px;
  border-left:1px solid var(--line);
  font-size:.78rem;
  font-weight:700;
  color:var(--muted);
  transition:color .2s,border-color .2s
}
.nav-tool-link:hover{
  color:var(--primary);
  border-color:var(--primary)
}
.nt-icon{
  position:relative;
  width:12px;
  height:12px;
  border:2px solid currentColor;
  border-radius:50%;
  display:block
}
.nt-icon::after{
  content:'';
  position:absolute;
  width:6px;
  height:2px;
  background:currentColor;
  transform:rotate(45deg);
  right:-5px;
  bottom:-2px;
  border-radius:2px
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-left:auto;
  border-radius:4px;
  transition:background .2s
}
.nav-toggle:hover{
  background:rgba(255,61,46,.08)
}
.nav-toggle-box{
  display:grid;
  gap:5px;
  width:20px
}
.nav-toggle-bar{
  height:2px;
  background:var(--text);
  border-radius:2px;
  transition:transform .25s,background .25s,opacity .25s
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){
  transform:translateY(7px) rotate(45deg);
  background:var(--primary)
}
.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);
  background:var(--primary)
}
.header-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  width:0;
  height:3px;
  background:var(--gradient-fire);
  box-shadow:0 0 12px rgba(255,61,46,.55);
  z-index:5;
  pointer-events:none
}

.site-footer{
  margin-top:clamp(56px,9vw,112px);
  background:var(--bg-2);
  border-top:4px solid transparent;
  border-image:var(--gradient-fire) 1;
  position:relative
}
.site-footer::before{
  content:'';
  position:absolute;
  inset:0;
  pointer-events:none;
  background:radial-gradient(ellipse at 18% 0%,rgba(255,61,46,.08),transparent 46%),
             radial-gradient(ellipse at 90% 100%,rgba(74,0,224,.12),transparent 50%)
}
.footer-shell{
  max-width:var(--header-w);
  margin:0 auto;
  padding:clamp(36px,5vw,64px) clamp(16px,3vw,40px) 28px;
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1fr 1.5fr;
  gap:clamp(24px,3vw,40px);
  position:relative;
  z-index:1
}
.footer-brand-top{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:16px
}
.footer-brand-mark{
  font-family:var(--font-headline);
  font-size:1.5rem;
  font-weight:900;
  color:var(--primary);
  letter-spacing:.08em
}
.footer-brand-name{
  font-family:var(--font-headline);
  font-size:1.5rem;
  font-weight:900;
  color:#fff;
  letter-spacing:.08em
}
.footer-tagline{
  font-size:.88rem;
  color:var(--muted);
  line-height:1.8;
  max-width:300px;
  margin-bottom:14px
}
.footer-trust{
  font-size:.76rem;
  color:var(--muted);
  line-height:1.7;
  border-left:3px solid var(--primary);
  padding-left:12px;
  max-width:320px;
  opacity:.8
}
.footer-col-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.95rem;
  font-weight:800;
  color:#fff;
  letter-spacing:.1em;
  margin-bottom:16px;
  padding-bottom:8px;
  border-bottom:1px solid var(--line)
}
.footer-title-index{
  font-family:var(--font-mono);
  font-size:.66rem;
  color:var(--primary)
}
.footer-list li{
  margin-bottom:8px
}
.footer-list a{
  font-size:.86rem;
  color:var(--muted);
  transition:color .2s,padding-left .2s;
  display:inline-block
}
.footer-list a:hover{
  color:var(--primary);
  padding-left:6px
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:8px
}
.footer-email,.footer-phone,.footer-address,.footer-note{
  font-size:.8rem;
  color:var(--muted);
  line-height:1.6;
  display:block
}
.footer-email{
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--primary);
  word-break:break-all
}
.footer-note{
  font-size:.72rem;
  opacity:.75
}
.footer-bottom{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--line)
}
.footer-copyright{
  font-size:.78rem;
  color:var(--muted)
}
.footer-icp{
  font-family:var(--font-mono);
  font-size:.76rem;
  color:var(--muted)
}

.container{
  width:100%;
  max-width:var(--content-w);
  margin-inline:auto;
  padding-inline:clamp(20px,4vw,48px)
}
.site-main{
  padding-top:clamp(28px,5vw,56px);
  padding-bottom:clamp(48px,7vw,96px)
}
.section{
  margin-block:clamp(44px,8vw,92px)
}

.n-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  font-size:.9rem;
  font-weight:800;
  letter-spacing:.05em;
  color:var(--text);
  background:transparent;
  transition:background .2s,border-color .2s,box-shadow .2s,transform .2s,color .2s;
  cursor:pointer;
  white-space:nowrap
}
.n-btn:hover{
  border-color:var(--primary);
  color:#fff;
  background:rgba(255,61,46,.08);
  box-shadow:0 0 18px rgba(255,61,46,.14)
}
.n-btn:active{
  transform:translateY(1px)
}
.n-btn--primary{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  border-color:transparent;
  color:#fff;
  box-shadow:0 10px 28px rgba(255,61,46,.22)
}
.n-btn--primary:hover{
  background:linear-gradient(135deg,var(--secondary),var(--primary));
  border-color:transparent;
  color:#fff;
  box-shadow:0 14px 32px rgba(255,61,46,.36)
}
.n-btn--ghost{
  border-color:rgba(255,61,46,.5);
  color:var(--primary);
  background:transparent
}
.n-btn--ghost:hover{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  box-shadow:0 8px 22px rgba(255,61,46,.3)
}
.n-btn--sm{
  min-height:32px;
  padding:0 14px;
  font-size:.78rem;
  border-radius:6px
}

.n-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.82rem;
  color:var(--muted);
  font-family:var(--font-mono);
  letter-spacing:.04em;
  margin-bottom:clamp(24px,4vw,40px)
}
.n-breadcrumb i{
  font-style:normal;
  color:var(--primary);
  font-size:.68rem
}
.n-breadcrumb a{
  color:var(--muted);
  transition:color .2s
}
.n-breadcrumb a:hover{
  color:var(--primary)
}
.n-breadcrumb span:last-child{
  color:var(--text)
}

.section-head{
  position:relative;
  display:grid;
  gap:6px;
  margin-bottom:32px;
  padding-left:18px;
  border-left:4px solid var(--primary);
  border-radius:0 4px 4px 0
}
.section-head::after{
  content:'';
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,var(--primary),var(--secondary));
  opacity:.45;
  border-radius:2px
}
.section-index{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.2em;
  color:var(--primary);
  text-transform:uppercase
}
.section-title{
  font-family:var(--font-headline);
  font-size:clamp(1.5rem,3.2vw,2.7rem);
  font-weight:900;
  letter-spacing:.04em;
  color:#fff
}
.section-desc{
  color:var(--muted);
  max-width:680px;
  font-size:.92rem;
  line-height:1.8
}

.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:12px;
  border:1px solid var(--line);
  background:
    radial-gradient(ellipse at 30% 15%,rgba(255,61,46,.15),transparent 55%),
    radial-gradient(ellipse at 75% 90%,rgba(142,45,226,.16),transparent 60%),
    linear-gradient(145deg,rgba(255,255,255,.04),transparent 55%),
    var(--bg-2)
}
.media-frame::after{
  content:"MEDIA PLACEHOLDER";
  position:absolute;
  right:12px;
  bottom:10px;
  font:11px/1.2 var(--font-mono);
  letter-spacing:.18em;
  color:var(--muted);
  opacity:.75;
  pointer-events:none
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:relative;
  z-index:1
}
.media-frame--hero{aspect-ratio:16 / 9}
.media-frame--tile{aspect-ratio:4 / 3}
.media-frame--portrait{aspect-ratio:3 / 4}

.data-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:var(--bg-2);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.05em;
  color:var(--text)
}
.data-pill .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(255,61,46,.7)
}
.fade-tag{
  display:inline-block;
  padding:5px 12px;
  border-radius:4px;
  background:rgba(255,61,46,.08);
  border:1px solid rgba(255,61,46,.4);
  color:var(--primary);
  font-size:.72rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase
}
.mono-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  font-weight:700
}

@media (max-width:1080px){
  .footer-shell{
    grid-template-columns:1fr 1fr 1fr;
    gap:28px
  }
  .footer-brand{
    grid-column:1 / -1;
    max-width:560px
  }
  .footer-contact{
    grid-column:1 / -1
  }
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:block;
    background:rgba(11,11,16,.98);
    border-bottom:1px solid var(--line);
    max-height:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    transition:max-height .45s ease,opacity .3s ease,visibility .3s;
    box-shadow:0 24px 40px rgba(0,0,0,.5)
  }
  .site-nav[data-open]{
    max-height:520px;
    opacity:1;
    visibility:visible
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    display:block;
    padding:8px 0
  }
  .nav-item{
    display:block
  }
  .nav-link{
    width:100%;
    height:48px;
    justify-content:flex-start;
    padding:0 22px;
    border-left:3px solid transparent;
    border-radius:0
  }
  .nav-link:hover{
    background:rgba(255,255,255,.04)
  }
  .nav-link[aria-current="page"]{
    background:rgba(255,61,46,.1);
    border-left-color:var(--primary)
  }
  .nav-link::after{
    display:none
  }
  .nav-tool-link{
    width:100%;
    height:48px;
    justify-content:center;
    border-left:none;
    border-top:1px solid var(--line);
    margin-left:0;
    border-radius:0;
    font-weight:800;
    color:var(--primary)
  }
  .nav-toggle{
    display:inline-flex
  }
}

@media (max-width:680px){
  .brand-name{
    font-size:1.08rem
  }
  .brand-en{
    display:none
  }
  .brand-symbol{
    width:26px;
    height:26px;
    flex-basis:26px
  }
  .brand-text-group{
    line-height:1.1
  }
  .header-command{
    gap:6px
  }
  .command-fresh{
    display:none
  }
  .command-version{
    padding:0 9px;
    height:28px;
    font-size:.7rem
  }
  .cv-label{
    display:none
  }
  .footer-shell{
    grid-template-columns:1fr 1fr;
    gap:24px
  }
  .footer-brand{
    grid-column:1 / -1
  }
  .footer-contact{
    grid-column:1 / -1
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
    justify-content:center
  }
  .n-btn{
    width:100%
  }
  .header-primary{
    padding-top:10px;
    padding-bottom:10px
  }
  .header-secondary{
    min-height:40px
  }
}

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

@media (prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto
  }
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important
  }
  html.js [data-reveal]{
    opacity:1 !important;
    transform:none !important;
    transition:none !important
  }
}

html.js [data-reveal]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .65s ease,transform .65s ease
}
html.js [data-reveal][data-revealed="true"]{
  opacity:1;
  transform:none
}