*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  font-size:1rem;line-height:1.7;color:#E6EDF3;
  background-color:#0B1E36;
  background-image:
    radial-gradient(ellipse at 12% -10%,rgba(15,76,129,.22) 0%,transparent 52%),
    radial-gradient(ellipse at 88% 12%,rgba(0,255,136,.05) 0%,transparent 40%);
  min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
:root{
  --clr-primary:#0B1E36;
  --clr-secondary:#122A44;
  --clr-accent:#00FF88;
  --clr-accent-soft:rgba(0,255,136,.08);
  --clr-accent-line:rgba(0,255,136,.25);
  --clr-warning:#FF6A00;
  --clr-warning-soft:rgba(255,106,0,.1);
  --clr-warning-line:rgba(255,106,0,.3);
  --clr-data:#0F4C81;
  --clr-data-soft:rgba(15,76,129,.25);
  --clr-text:#E6EDF3;
  --clr-heading:#FFFFFF;
  --clr-muted:#8B9AAB;
  --clr-border:rgba(255,255,255,.08);
  --font-headline:'Rajdhani','Oswald','Arial Narrow','Helvetica Neue',Arial,sans-serif;
  --font-body:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --font-data:'Roboto Mono','SF Mono','Cascadia Code',Consolas,Menlo,monospace;
  --container:1320px;
  --content:980px;
  --header-h:72px;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-pill:999px;
  --space-1:.5rem;
  --space-2:1rem;
  --space-3:1.5rem;
  --space-4:2rem;
  --space-5:3rem;
  --space-6:4.5rem;
  --transition-fast:.2s ease;
  --transition-base:.3s cubic-bezier(.4,0,.2,1);
  --shadow-sm:0 2px 12px rgba(0,0,0,.2);
  --shadow-md:0 8px 32px rgba(0,0,0,.35);
  --shadow-accent:0 0 20px rgba(0,255,136,.15);
}
img,picture,video,canvas{display:block;max-width:100%}
input,button,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
a{color:var(--clr-accent);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--clr-heading)}
ul,ol{list-style:none}
h1,h2,h3,h4{font-family:var(--font-headline);color:var(--clr-heading);line-height:1.2;font-weight:700}
h1{font-size:clamp(2.2rem,4.5vw,3.5rem)}
h2{font-size:clamp(1.75rem,3.2vw,2.5rem)}
h3{font-size:clamp(1.25rem,2vw,1.75rem)}
#main-content{display:block;min-height:calc(100vh - var(--header-h));padding-top:calc(var(--header-h) + 28px);scroll-margin-top:calc(var(--header-h) + 32px)}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--space-3)}
.container--narrow{max-width:var(--content)}
.section{scroll-margin-top:calc(var(--header-h) + 24px)}
.skip-link{
  position:fixed;top:-120px;left:16px;z-index:2000;
  padding:.75rem 1.5rem;background:var(--clr-accent);color:#06200F;
  font-weight:700;font-size:.9375rem;border-radius:var(--radius-pill);
  text-decoration:none;transition:top var(--transition-fast);
  box-shadow:var(--shadow-md);
}
.skip-link:focus{top:16px;color:#06200F}
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--clr-accent),var(--clr-data));
  z-index:1500;pointer-events:none;border-radius:0 3px 3px 0;
}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--clr-accent);outline-offset:3px;border-radius:4px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.625rem 1.5rem;border-radius:var(--radius-pill);
  font-family:var(--font-body);font-weight:600;font-size:.9375rem;line-height:1;
  transition:all var(--transition-fast);border:1px solid transparent;white-space:nowrap;text-decoration:none;
  color:var(--clr-text);
}
.btn--primary{background:var(--clr-accent);color:#06200F}
.btn--primary:hover{background:#59ffae;color:#06200F;box-shadow:var(--shadow-accent);transform:translateY(-1px)}
.btn--outline{border-color:rgba(230,237,243,.3);color:var(--clr-text)}
.btn--outline:hover{border-color:var(--clr-accent);color:var(--clr-accent)}
.btn--ghost{background:rgba(255,255,255,.06);color:var(--clr-heading)}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:var(--clr-heading)}
.btn--sm{padding:.5rem 1.25rem;font-size:.875rem}
.site-header{
  position:fixed;top:12px;left:50%;transform:translateX(-50%);
  width:calc(100% - 24px);max-width:var(--container);z-index:100;
  background:rgba(11,30,54,.85);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-md),0 0 0 1px rgba(0,255,136,.05);
  transition:box-shadow var(--transition-base);
}
.site-header:hover{box-shadow:var(--shadow-md),0 0 24px rgba(0,255,136,.08)}
.site-header__inner{
  display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);
  padding:.5rem var(--space-3);min-height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;flex-shrink:0}
.brand:hover{color:inherit}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;background:var(--clr-accent);color:#06200F;
  font-family:var(--font-headline);font-weight:700;font-size:1.15rem;
  border-radius:10px;letter-spacing:0;flex-shrink:0;
  box-shadow:0 0 16px rgba(0,255,136,.25);
}
.brand__text{display:inline-flex;flex-direction:column;line-height:1.1}
.brand__logo{
  font-family:var(--font-headline);font-weight:700;font-size:1.35rem;
  color:var(--clr-heading);letter-spacing:.04em;white-space:nowrap;
}
.brand__subtitle{font-size:.7rem;color:var(--clr-muted);letter-spacing:.1em;white-space:nowrap;margin-top:2px}
.site-nav__list{display:flex;align-items:center;gap:.25rem}
.site-nav__link{
  display:inline-block;padding:.5rem .875rem;border-radius:var(--radius-pill);
  font-size:.9375rem;font-weight:500;color:var(--clr-text);letter-spacing:.02em;
  transition:background var(--transition-fast),color var(--transition-fast);
  text-decoration:none;white-space:nowrap;
}
.site-nav__link:hover{color:var(--clr-heading);background:rgba(255,255,255,.06)}
.site-nav__link[aria-current="page"]{
  color:var(--clr-accent);
  background:var(--clr-accent-soft);
  box-shadow:inset 0 0 0 1px var(--clr-accent-line);
}
.site-header__cta{flex-shrink:0;margin-left:auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:.5rem;border-radius:var(--radius-md);
  background:rgba(255,255,255,.06);border:1px solid var(--clr-border);
  flex-shrink:0;align-items:center;
}
.nav-toggle__bar{display:block;width:20px;height:2px;background:var(--clr-heading);border-radius:2px;transition:transform var(--transition-fast),opacity var(--transition-fast)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(7px) 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(-7px) rotate(-45deg)}
.site-footer{
  position:relative;margin-top:var(--space-6);
  background:
    linear-gradient(180deg,rgba(13,36,64,.95) 0%,rgba(9,24,44,.98) 100%),
    var(--clr-primary);
  border-top:1px solid rgba(255,255,255,.06);
  overflow:hidden;
}
.site-footer::after{
  content:'';position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(0,255,136,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,255,136,.028) 1px,transparent 1px);
  background-size:56px 56px;
}
.site-footer__topline{
  position:relative;z-index:1;height:3px;
  background:linear-gradient(90deg,var(--clr-accent) 0%,var(--clr-data) 45%,var(--clr-warning) 100%);
  opacity:.7;
}
.site-footer__inner{
  position:relative;z-index:1;max-width:var(--container);margin-inline:auto;
  padding:var(--space-5) var(--space-3) var(--space-4);
}
.site-footer__brand{margin-bottom:var(--space-5)}
.brand--footer .brand__mark{width:46px;height:46px;font-size:1.35rem;border-radius:12px}
.brand--footer .brand__logo{font-size:1.6rem}
.brand--footer .brand__subtitle{font-size:.78rem}
.site-footer__statement{
  margin-top:var(--space-3);max-width:52ch;
  font-size:.9375rem;line-height:1.8;color:var(--clr-muted);
}
.site-footer__cols{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:var(--space-4);margin-bottom:var(--space-5);
}
.site-footer__heading{
  font-family:var(--font-headline);font-size:1.05rem;font-weight:700;
  color:var(--clr-heading);letter-spacing:.04em;
  margin-bottom:var(--space-2);padding-bottom:.5rem;
  border-bottom:1px solid var(--clr-border);display:inline-block;
}
.site-footer__navlist li,.site-footer__contact li{margin-bottom:.375rem}
.site-footer__navlist a{
  color:var(--clr-muted);font-size:.9375rem;line-height:1.75;
  transition:color var(--transition-fast);
}
.site-footer__navlist a:hover{color:var(--clr-accent)}
.site-footer__contact{color:var(--clr-muted);font-size:.875rem;line-height:1.8}
.site-footer__trust{
  margin-bottom:var(--space-4);padding:var(--space-3);
  background:rgba(255,255,255,.03);
  border:1px solid var(--clr-border);
  border-left:3px solid var(--clr-accent);
  border-radius:var(--radius-md);
}
.site-footer__trust p{font-size:.875rem;color:var(--clr-muted);line-height:1.8}
.site-footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2) var(--space-3);
  padding-top:var(--space-3);border-top:1px solid var(--clr-border);
  font-size:.8125rem;color:var(--clr-muted);
}
.site-footer__icp{font-family:var(--font-data);font-size:.75rem;color:var(--clr-muted)}
.site-footer__note{width:100%;font-size:.75rem;color:var(--clr-muted);opacity:.8}
.grid{display:grid;gap:var(--space-4)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--asymmetric{display:grid;grid-template-columns:1.6fr 1fr;gap:var(--space-4)}
.card{
  position:relative;background:var(--clr-secondary);
  border:1px solid var(--clr-border);border-radius:var(--radius-lg);
  padding:var(--space-4);overflow:hidden;
}
.card--data{border-top:2px solid var(--clr-accent)}
.card--data::after{
  content:'';position:absolute;top:0;right:0;width:80px;height:80px;
  background:radial-gradient(circle at top right,rgba(0,255,136,.08),transparent 70%);
  pointer-events:none;
}
.card--warning{border-top:2px solid var(--clr-warning)}
.card--spotlight{border-left:3px solid var(--clr-accent)}
.tag{
  display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .625rem;
  border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;letter-spacing:.03em;
  background:rgba(230,237,243,.08);color:var(--clr-muted);border:1px solid var(--clr-border);
  white-space:nowrap;
}
.tag--accent{background:var(--clr-accent-soft);color:var(--clr-accent);border-color:var(--clr-accent-line)}
.tag--warn{background:var(--clr-warning-soft);color:var(--clr-warning);border-color:var(--clr-warning-line)}
.data-number{
  font-family:var(--font-data);font-size:2.5rem;font-weight:600;line-height:1.2;
  color:var(--clr-accent);font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.data-number--warn{color:var(--clr-warning)}
.section-heading{display:flex;align-items:center;gap:.75rem;margin-bottom:var(--space-4)}
.section-heading::before{content:'';width:4px;height:1.4em;background:var(--clr-accent);border-radius:2px;flex-shrink:0}
.section-heading__title{font-family:var(--font-headline);font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;color:var(--clr-heading);letter-spacing:.02em}
.section-heading__sub{margin-left:auto;font-size:.8125rem;color:var(--clr-muted)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;padding:var(--space-2) 0;font-size:.875rem;color:var(--clr-muted)}
.breadcrumb a{color:var(--clr-muted)}
.breadcrumb a:hover{color:var(--clr-accent)}
.breadcrumb__sep{opacity:.5;color:var(--clr-muted)}
.breadcrumb__sep::before{content:'/'}
.prose{max-width:var(--content);line-height:1.85;color:var(--clr-text);font-size:1rem}
.prose p{margin-bottom:var(--space-3)}
.prose h2,.prose h3{margin-top:var(--space-5);margin-bottom:var(--space-2)}
.prose a{text-decoration:underline;text-underline-offset:3px}
.prose ul{margin-bottom:var(--space-3)}
.prose ul li{position:relative;padding-left:1.25rem;margin-bottom:.375rem}
.prose ul li::before{content:'';position:absolute;left:0;top:.7rem;width:6px;height:6px;border-radius:50%;background:var(--clr-accent)}
.prose strong{color:var(--clr-heading)}
.media-frame{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--clr-secondary),rgba(15,76,129,.25));
  border:1px solid var(--clr-border);border-radius:var(--radius-lg);
  aspect-ratio:16/10;
}
.media-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.media-frame::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(11,30,54,.45));pointer-events:none}
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .site-nav{
    position:absolute;top:calc(100% + 10px);left:16px;right:16px;
    background:var(--clr-secondary);border:1px solid var(--clr-border);
    border-radius:var(--radius-lg);padding:var(--space-2);
    box-shadow:var(--shadow-md);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity var(--transition-fast),transform var(--transition-fast),visibility var(--transition-fast);
  }
  .site-nav[data-open]{opacity:1;visibility:visible;transform:translateY(0)}
  .site-nav__list{flex-direction:column;gap:.25rem}
  .site-nav__link{display:block;padding:.75rem 1rem;border-radius:var(--radius-md)}
  .grid--asymmetric{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  #main-content{padding-top:calc(var(--header-h) + 20px)}
  .site-header__inner{padding:.5rem var(--space-2);gap:var(--space-2)}
  .brand__subtitle{display:none}
  .brand__logo{font-size:1.2rem}
  .site-header__cta .btn{padding:.4rem .75rem;font-size:.75rem}
  .site-footer__cols{grid-template-columns:1fr;gap:var(--space-4)}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .container{padding-inline:var(--space-2)}
}
@media (max-width:480px){
  .site-header__cta{display:none}
  .brand__mark{width:34px;height:34px;font-size:1rem;border-radius:8px}
  .brand__logo{font-size:1.1rem}
  .scroll-progress{height:3px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
  .site-nav{transition:none}
  .skip-link{transition:none}
}