:root{
  --c-orange:#FF7A00;
  --c-blue-deep:#0A2A5E;
  --c-blue-outer:#0D1B2A;
  --c-green:#C6FF00;
  --c-card:#122A4A;
  --c-text:#EAF2FF;
  --c-muted:#8FA3C8;
  --c-line:rgba(255,255,255,0.12);
  --c-amber:#FFB400;
  --c-green-ok:#00D68F;
  --font-display:"Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC",sans-serif;
  --font-data:"Source Code Pro",Consolas,monospace;
  --header-h:72px;
  --rail-w:86px;
  --container-w:1440px;
  --gutter:clamp(20px,4vw,64px);
  --radius-xl:24px;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:6px;
  --shadow-card:0 10px 30px rgba(0,0,0,0.18);
  --shadow-rail:0 0 40px rgba(0,0,0,0.35);
  --ease:cubic-bezier(0.2,0.8,0.2,1);
  --skew:-3deg;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{
  background:var(--c-blue-outer);
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-weight:400;
  font-size:1rem;
  line-height:1.65;
  color:var(--c-text);
  background:
    radial-gradient(circle at 80% 0%,rgba(10,42,94,0.6),transparent 48%),
    linear-gradient(145deg,var(--c-blue-outer) 0%,var(--c-blue-outer) 100%);
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}
body.nav-lock{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.2;color:var(--c-text);text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{
  outline:3px solid var(--c-green);
  outline-offset:3px;
  border-radius:4px;
}
::selection{background:var(--c-orange);color:#fff}
#main-content{width:100%;flex:1 1 auto;position:relative;z-index:1}

.container{
  width:100%;
  max-width:var(--container-w);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:3000;
  background:var(--c-orange);
  color:#fff;
  font-weight:700;
  padding:10px 18px;
  border-radius:var(--radius-sm);
  transform:translateY(-160%);
  transition:transform 0.2s var(--ease);
  box-shadow:0 4px 14px rgba(0,0,0,0.3);
}
.skip-link:focus{
  transform:translateY(0);
  color:#fff;
}

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:1000;
  background:rgba(10,42,94,0.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--shadow-rail);
  display:flex;
  align-items:stretch;
  height:var(--header-h);
}
.site-header__rail{
  display:none;
}
.site-header__inner{
  width:100%;
  max-width:var(--container-w);
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.site-header__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}

.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  position:relative;
  z-index:2;
}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,5px);
  align-items:stretch;
  gap:3px;
  height:34px;
  width:24px;
  transform:skewX(-8deg);
}
.brand-mark__bar{
  background:var(--c-orange);
  border-radius:1px;
  transition:background 0.2s var(--ease);
}
.brand-mark__bar--a{height:20px;align-self:flex-start;opacity:0.75}
.brand-mark__bar--b{height:34px;align-self:center;background:var(--c-text)}
.brand-mark__bar--c{height:14px;align-self:flex-end;background:var(--c-green)}
.brand-text{
  display:inline-flex;
  flex-direction:column;
  line-height:1.2;
}
.brand-text__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:1.2rem;
  letter-spacing:0.03em;
  color:var(--c-text);
  white-space:nowrap;
}
.brand-text__slogan{
  font-size:0.68rem;
  color:var(--c-muted);
  letter-spacing:0.18em;
  white-space:nowrap;
  margin-top:2px;
}
.brand-lockup:hover .brand-mark__bar{background:var(--c-green)}
.brand-lockup:hover .brand-text__name{color:var(--c-orange)}
.brand-lockup--compact .brand-mark{height:30px}
.brand-lockup--compact .brand-mark__bar--a{height:16px}
.brand-lockup--compact .brand-mark__bar--b{height:30px}
.brand-lockup--compact .brand-mark__bar--c{height:12px}

.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  width:50px;
  height:50px;
  padding:12px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,0.06);
  border:1px solid var(--c-line);
  transition:background 0.2s var(--ease),border-color 0.2s var(--ease);
}
.nav-toggle:hover{
  background:rgba(255,122,0,0.18);
  border-color:var(--c-orange);
}
.nav-toggle__bar{
  display:block;
  height:3px;
  width:100%;
  border-radius:2px;
  background:var(--c-text);
  transform:skewX(-12deg);
  transition:background 0.2s var(--ease),transform 0.25s var(--ease),opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(9px) rotate(45deg) skewX(-12deg);background:var(--c-orange)}
.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(-9px) rotate(-45deg) skewX(-12deg);background:var(--c-orange)}

.site-nav{
  display:none;
  position:fixed;
  top:var(--header-h);
  left:0;
  right:0;
  bottom:0;
  z-index:2000;
  background:rgba(13,27,42,0.98);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:clamp(24px,5vh,44px) var(--gutter) 40px;
  overflow-y:auto;
  flex-direction:column;
  gap:0;
  border-top:1px solid var(--c-line);
}
.site-nav[data-open="true"]{
  display:flex;
  animation:navFade 0.24s var(--ease);
}
@keyframes navFade{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:translateY(0)}
}
.site-nav::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:4px;
  height:100%;
  background:linear-gradient(180deg,var(--c-orange) 0%,var(--c-green) 100%);
  opacity:0.7;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.35rem;
  color:var(--c-text);
  padding:16px 12px 16px 0;
  border-bottom:1px solid var(--c-line);
  transition:color 0.2s var(--ease),padding-left 0.2s var(--ease),background 0.2s var(--ease);
}
.nav-link:hover{
  color:var(--c-orange);
  padding-left:8px;
}
.nav-link[aria-current="page"]{
  color:var(--c-orange);
}
.nav-link[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:4px;
  height:60%;
  background:var(--c-orange);
  transform:translateY(-50%) skewX(-18deg);
}
.nav-link__bullet{
  width:10px;
  height:10px;
  background:var(--c-green);
  transform:skewX(-18deg);
  display:block;
}
.nav-link--action{
  color:var(--c-orange);
  margin-top:12px;
  border-bottom:none;
  background:rgba(255,122,0,0.12);
  border:1px solid rgba(255,122,0,0.45);
  border-radius:var(--radius-md);
  padding:14px 16px;
  justify-content:center;
}
.nav-link--action:hover{
  background:var(--c-orange);
  color:#fff;
  padding-left:16px;
}
.nav-link--action .nav-link__bullet{background:var(--c-orange)}
.nav-link--action:hover .nav-link__bullet{background:#fff}

.site-footer{
  position:relative;
  z-index:1;
  margin-top:auto;
  background:linear-gradient(180deg,var(--c-blue-outer) 0%,#0a1520 100%);
  border-top:2px solid var(--c-orange);
}
.site-footer__beam{
  position:absolute;
  top:0;
  left:0;
  width:200px;
  height:4px;
  background:linear-gradient(90deg,var(--c-orange) 0%,var(--c-green) 100%);
  opacity:0.8;
}
.site-footer__inner{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-top:clamp(40px,6vw,72px);
  padding-bottom:40px;
}
.footer-group__title{
  font-size:0.8rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--c-muted);
  margin-bottom:18px;
  position:relative;
  padding-left:1em;
}
.footer-group__title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:0.5em;
  height:3px;
  background:var(--c-orange);
  transform:translateY(-50%) skewX(-18deg);
}
.footer-group__trust{
  font-size:0.9rem;
  color:var(--c-muted);
  line-height:1.8;
  max-width:520px;
  margin-top:20px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:20px;
}
.footer-links--legal{
  flex-direction:row;
  flex-wrap:wrap;
  gap:12px 20px;
  border-top:1px solid var(--c-line);
  padding-top:20px;
}
.footer-link{
  font-size:0.95rem;
  color:var(--c-text);
  transition:color 0.2s var(--ease),padding-left 0.2s var(--ease);
  position:relative;
}
.footer-link:hover{
  color:var(--c-orange);
  padding-left:4px;
}
.footer-links--legal .footer-link:hover{
  color:var(--c-green);
  padding-left:0;
}
.footer-contact{
  display:grid;
  gap:10px;
}
.footer-contact__line{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:10px;
  font-size:0.9rem;
}
.footer-contact__label{
  color:var(--c-muted);
}
.footer-contact__value{
  color:var(--c-text);
  font-family:var(--font-data);
  font-size:0.86rem;
  word-break:break-word;
  transition:color 0.2s var(--ease);
}
.footer-contact__value:hover{
  color:var(--c-orange);
}
.site-footer__bottom{
  border-top:1px solid var(--c-line);
  padding-block:20px;
}
.site-footer__bottom-inner{
  display:flex;
  flex-direction:column;
  gap:6px;
  justify-content:space-between;
  align-items:flex-start;
}
.footer-copy{
  color:var(--c-muted);
  font-size:0.82rem;
}
.footer-icp{
  color:var(--c-muted);
  font-size:0.82rem;
  font-family:var(--font-data);
}

.section-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:24px;
}
.section-head::before{
  content:"";
  width:24px;
  height:4px;
  background:var(--c-orange);
  transform:skewX(-18deg);
  flex-shrink:0;
}
.section-head__title{
  font-size:clamp(1.2rem,2.4vw,1.8rem);
  letter-spacing:0.01em;
}
.section-head__tag{
  font-family:var(--font-data);
  font-size:0.72rem;
  color:var(--c-green);
  background:rgba(198,255,0,0.08);
  border:1px solid rgba(198,255,0,0.3);
  padding:3px 10px;
  border-radius:40px;
  white-space:nowrap;
}
.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
.data-card{
  background:linear-gradient(155deg,var(--c-card) 0%,rgba(18,42,74,0.65) 100%);
  border:1px solid var(--c-line);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-card);
  transition:border-color 0.25s var(--ease),transform 0.25s var(--ease),box-shadow 0.25s var(--ease);
  position:relative;
  overflow:hidden;
}
.data-card::after{
  content:"";
  pointer-events:none;
  position:absolute;
  right:-30px;
  top:-30px;
  width:90px;
  height:90px;
  background:radial-gradient(circle,rgba(255,122,0,0.16),transparent 70%);
  transition:transform 0.3s var(--ease);
}
.data-card:hover{
  border-color:rgba(255,122,0,0.55);
  transform:translateY(-3px);
  box-shadow:0 16px 40px rgba(0,0,0,0.3);
}
.data-card__title{
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:8px;
}
.data-card__text{
  color:var(--c-muted);
  font-size:0.92rem;
  line-height:1.7;
}
.data-strong{
  font-family:var(--font-data);
  font-weight:700;
  color:var(--c-orange);
  font-size:1.3em;
  letter-spacing:-0.01em;
}
.data-strong[data-point="green"]{color:var(--c-green)}
.data-strong[data-point="amber"]{color:var(--c-amber)}
.update-tag{
  display:inline-flex;
  align-items:center;
  font-family:var(--font-data);
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--c-orange);
  border:1px solid rgba(255,122,0,0.5);
  background:rgba(255,122,0,0.08);
  padding:4px 10px;
  border-radius:4px;
  transform:skewX(-10deg);
  white-space:nowrap;
}
.update-tag > span{transform:skewX(10deg);display:inline-block}
.update-tag.is-amber{color:var(--c-amber);border-color:rgba(255,180,0,0.5);background:rgba(255,180,0,0.08)}
.update-tag.is-cyan{color:var(--c-green);border-color:rgba(198,255,0,0.5);background:rgba(198,255,0,0.07)}
.page-heading{
  margin-bottom:clamp(36px,6vw,64px);
  padding-top:clamp(28px,5vw,56px);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:0.8rem;
  color:var(--c-muted);
  margin-bottom:18px;
}
.breadcrumb a{
  color:var(--c-muted);
  transition:color 0.2s var(--ease);
}
.breadcrumb a:hover{color:var(--c-orange)}
.breadcrumb__sep{opacity:0.5;font-family:var(--font-data)}
.breadcrumb [aria-current="page"]{
  color:var(--c-orange);
  font-weight:700;
}
.page-heading__title{
  font-size:clamp(2.2rem,5vw,3.6rem);
  letter-spacing:-0.02em;
  line-height:1.05;
  position:relative;
  display:inline-block;
}
.page-heading__title::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:52px;
  height:5px;
  background:linear-gradient(90deg,var(--c-orange) 0%,var(--c-green) 100%);
  transform:skewX(-20deg);
  border-radius:2px;
}
.page-heading__desc{
  color:var(--c-muted);
  font-size:1.05rem;
  max-width:720px;
  margin-top:20px;
  line-height:1.8;
}
.image-frame{
  position:relative;
  border-radius:var(--radius-lg);
  background:
    linear-gradient(220deg,rgba(255,122,0,0.12) 0%,transparent 44%),
    linear-gradient(140deg,rgba(18,42,74,0.92) 0%,var(--c-blue-deep) 100%);
  border:1px solid var(--c-line);
  min-height:180px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  isolation:isolate;
}
.image-frame::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 20%,rgba(198,255,0,0.1),transparent 26%),
    radial-gradient(circle at 80% 60%,rgba(255,122,0,0.12),transparent 34%),
    repeating-linear-gradient(135deg,rgba(255,255,255,0.035) 0 2px,transparent 2px 12px);
  z-index:-1;
}
.image-frame::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-40px;
  width:140px;
  height:140px;
  background:linear-gradient(90deg,var(--c-orange),var(--c-green));
  opacity:0.12;
  transform:rotate(22deg) skewX(-8deg);
  pointer-events:none;
}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  height:3px;
  width:100%;
  background:transparent;
  z-index:1500;
  pointer-events:none;
}
.scroll-progress__bar{
  height:100%;
  width:0%;
  background:linear-gradient(90deg,var(--c-orange) 0%,var(--c-green) 100%);
  transition:background 0.2s;
}
.back2top{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:900;
  width:44px;
  height:44px;
  border-radius:var(--radius-sm);
  background:var(--c-orange);
  color:#fff;
  font-size:1.2rem;
  line-height:1;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 18px rgba(0,0,0,0.3);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity 0.25s var(--ease),visibility 0.25s var(--ease),transform 0.25s var(--ease),background 0.2s var(--ease);
}
.back2top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.back2top:hover{
  background:var(--c-green);
  color:#0D1B2A;
}

@media (min-width:640px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .site-footer__inner{
    grid-template-columns:1fr 1fr;
  }
  .footer-group--brand{grid-column:1 / -1}
  .site-footer__bottom-inner{
    flex-direction:row;
    align-items:center;
  }
}
@media (min-width:1024px){
  :root{
    --header-h:auto;
    --rail-w:96px;
  }
  body{
    padding-left:var(--rail-w);
  }
  .site-header{
    position:fixed;
    inset:0 auto 0 0;
    width:var(--rail-w);
    flex-direction:column;
    align-items:stretch;
    background:
      linear-gradient(180deg,rgba(10,42,94,0.94) 0%,rgba(10,42,94,0.88) 100%);
    border-bottom:none;
    border-right:1px solid var(--c-line);
  }
  .site-header__rail{
    display:flex;
    flex-direction:column;
    align-items:center;
    padding-top:30px;
    gap:22px;
    position:relative;
  }
  .site-header__rail .brand-lockup{
    flex-direction:column;
    gap:10px;
  }
  .site-header__rail .brand-mark{
    height:36px;
  }
  .site-header__rail .brand-text__name{
    writing-mode:vertical-rl;
    font-size:0.94rem;
    letter-spacing:0.26em;
  }
  .site-header__rail .brand-text__slogan{
    writing-mode:vertical-rl;
    letter-spacing:0.1em;
    font-size:0.56rem;
    margin-top:8px;
  }
  .header-rail__beam{
    display:block;
    width:28px;
    height:4px;
    background:linear-gradient(90deg,var(--c-orange) 0%,var(--c-green) 100%);
    transform:skewX(-18deg);
    border-radius:2px;
    margin-top:4px;
  }
  .header-rail__pulse{
    display:block;
    width:8px;
    height:8px;
    background:var(--c-green);
    border-radius:2px;
    transform:skewX(-14deg) rotate(0deg);
    animation:railPulse 2.4s infinite;
    position:relative;
  }
  .header-rail__pulse::after{
    content:"";
    position:absolute;
    inset:-6px;
    border:1px solid var(--c-green);
    opacity:0.4;
    border-radius:3px;
    animation:railPulse 2.4s infinite 0.6s;
  }
  @keyframes railPulse{
    0%,100%{transform:skewX(-14deg) scale(1);opacity:1}
    50%{transform:skewX(-14deg) scale(1.3);opacity:0.5}
  }
  .site-header__inner{
    width:100%;
    max-width:none;
    padding:0;
    justify-content:flex-start;
  }
  .site-header__top{
    display:none;
  }
  .site-nav{
    display:flex;
    position:static;
    width:100%;
    height:auto;
    background:transparent;
    backdrop-filter:none;
    -webkit-backdrop-filter:none;
    padding:24px 14px 28px;
    flex:1;
    flex-direction:column;
    justify-content:flex-start;
    border-top:none;
    overflow:visible;
    border-top:1px solid var(--c-line);
    margin-top:6px;
  }
  .site-nav::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:3px;
    background:linear-gradient(90deg,var(--c-orange) 0%,var(--c-green) 100%);
    opacity:0.7;
  }
  .nav-link{
    font-family:var(--font-body);
    font-weight:500;
    font-size:0.78rem;
    letter-spacing:0.04em;
    color:var(--c-muted);
    padding:12px 8px;
    border-bottom:none;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:flex-start;
    gap:8px;
    margin-bottom:4px;
    border-radius:var(--radius-sm);
    transition:color 0.2s var(--ease),background 0.2s var(--ease),padding-left 0.2s var(--ease);
  }
  .nav-link::before{
    content:"";
    width:12px;
    height:2px;
    background:var(--c-line);
    transform:skewX(-18deg);
    flex-shrink:0;
    transition:background 0.2s var(--ease);
  }
  .nav-link:hover{
    color:var(--c-text);
    background:rgba(255,255,255,0.05);
    padding-left:8px;
  }
  .nav-link:hover::before{
    background:var(--c-green);
  }
  .nav-link[aria-current="page"]{
    color:var(--c-text);
    font-weight:700;
    background:rgba(255,122,0,0.08);
  }
  .nav-link[aria-current="page"]::before{
    content:"";
    position:relative;
    left:auto;
    top:auto;
    width:14px;
    height:3px;
    background:var(--c-orange);
    transform:translateY(0) skewX(-18deg);
    opacity:1;
  }
  .nav-link__bullet{
    display:none;
  }
  .nav-link--action{
    margin-top:auto;
    border:none;
    background:var(--c-orange);
    color:#fff;
    border-radius:var(--radius-md);
    padding:12px 6px;
    justify-content:center;
    transform:skewX(-6deg);
    box-shadow:0 4px 16px rgba(255,122,0,0.3);
    transition:background 0.2s var(--ease),box-shadow 0.2s var(--ease);
  }
  .nav-link--action::before{display:none}
  .nav-link--action:hover{
    background:var(--c-green);
    color:#0D1B2A;
    box-shadow:0 8px 22px rgba(198,255,0,0.3);
    padding-left:6px;
  }
  .nav-link--action .nav-link__label{
    transform:skewX(6deg);
  }
  .click-catcher{
    display:none;
  }
  .site-footer{
    margin-left:var(--rail-w);
  }
  .site-footer__inner{
    grid-template-columns:1.3fr 0.8fr 1fr;
    gap:48px;
  }
  .footer-group--brand{grid-column:1 / 1}
}
@media (max-width:1023.98px){
  .click-catcher{
    display:block;
    position:fixed;
    inset:0;
    background:rgba(5,10,18,0.4);
    z-index:1999;
    opacity:0;
    visibility:hidden;
    transition:opacity 0.2s var(--ease);
  }
  .click-catcher.is-active{
    opacity:1;
    visibility:visible;
  }
}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    transition-delay:0ms !important;
    scroll-behavior:auto !important;
  }
  html{scroll-behavior:auto}
  .site-nav[data-open="true"]{
    animation:none;
  }
}