*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
:where(body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd){margin:0;}
:where(ul,ol){padding:0;list-style:none;}
:where(img,svg,video){display:block;max-width:100%;}
:where(button){font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
:where(table){border-collapse:collapse;width:100%;}

:root{
  color-scheme:dark;
  --ink:#07110D;
  --ink-soft:#0B1D15;
  --panel:#0E241B;
  --panel-2:#17362A;
  --lime:#C7FF3D;
  --orange:#FF6A2B;
  --paper:#F5F1E6;
  --paper-ink:#1D1A16;
  --text:#E8F0EA;
  --muted:#A8B8AF;
  --cyan:#2FD3B5;
  --alert:#FF4D5E;
  --rule:#17362A;
  --rule-soft:rgba(23,54,42,.7);
  --frame-top:64px;
  --frame-side:0px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --dur:200ms;
  --dur-fast:120ms;
  --ease:cubic-bezier(.22,.68,.28,1);
  --shadow-lift:0 1px 0 rgba(199,255,61,.16),0 10px 26px rgba(0,0,0,.36);
}
@media (min-width:1024px){
  :root{--frame-top:72px;--frame-side:52px;}
}

body{
  min-height:100vh;
  margin:0;
  padding-top:var(--frame-top);
  padding-left:var(--frame-side);
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 560px at 12% -8%,rgba(199,255,61,.055),transparent 62%),
    radial-gradient(900px 520px at 92% 2%,rgba(47,211,181,.05),transparent 58%),
    radial-gradient(700px 420px at 50% 100%,rgba(255,106,43,.035),transparent 60%);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.14;}
h1{font-size:clamp(34px,5.2vw,56px);line-height:1.04;margin-bottom:.42em;}
h2{font-size:clamp(23px,3vw,32px);line-height:1.2;margin-bottom:.5em;}
h3{font-size:clamp(18px,2vw,22px);line-height:1.28;font-weight:700;margin-bottom:.45em;}
h4{font-size:16px;line-height:1.4;letter-spacing:.01em;margin-bottom:.4em;}
p{margin-bottom:1em;max-width:68ch;}
p:last-child{margin-bottom:0;}
small{font-size:12px;line-height:1.7;color:var(--muted);}
strong{font-weight:700;color:var(--text);}

a{color:inherit;text-decoration:none;}
a:hover{color:var(--lime);}

:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:2px;
}

.skip-link{
  position:fixed;
  top:8px;left:8px;
  z-index:300;
  transform:translateY(-180%);
  display:inline-block;
  padding:10px 16px;
  background:var(--lime);
  color:#07110D;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  border-radius:2px;
  transition:transform 160ms var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#07110D;}

#main-content{display:block;}

/* ---------- 通用排版元件 ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:11px;line-height:1.6;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--lime);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:18px;height:1px;background:var(--lime);opacity:.7;
}

.lede{font-size:clamp(15px,1.5vw,17px);line-height:1.85;color:var(--muted);max-width:62ch;}
.lede strong{color:var(--text);}

.tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:2px 7px;border-radius:2px;
  font-family:var(--font-mono);
  font-size:11px;line-height:1.6;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);
  border:1px solid var(--rule);
  white-space:nowrap;
}
.tag--lime{color:var(--lime);border-color:rgba(199,255,61,.42);background:rgba(199,255,61,.08);}
.tag--orange{color:var(--orange);border-color:rgba(255,106,43,.45);background:rgba(255,106,43,.09);}
.tag--cyan{color:var(--cyan);border-color:rgba(47,211,181,.42);background:rgba(47,211,181,.08);}

.visually-hidden{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;
}

/* ---------- 布局骨架 ---------- */
.wrap{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:clamp(16px,3vw,40px);
}
.grid{display:grid;gap:clamp(16px,2.4vw,32px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
@media (max-width:960px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr);}
}

.panel{
  background:var(--panel);
  border:1px solid var(--rule);
  border-radius:3px;
  padding:clamp(16px,2.4vw,28px);
  box-shadow:0 1px 0 rgba(232,240,234,.03);
}
.panel--flush{padding:0;overflow:hidden;}
.paper{
  background:var(--paper);
  color:var(--paper-ink);
  border-radius:3px;
  box-shadow:0 1px 0 rgba(0,0,0,.2);
}
.paper :where(h1,h2,h3,h4,strong){color:var(--paper-ink);}
.paper :where(p,li){color:#3A342C;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  border:1px solid transparent;border-radius:2px;
  font-size:14px;font-weight:700;line-height:1.4;letter-spacing:.02em;
  text-align:center;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn--lime{background:var(--lime);color:#07110D;}
.btn--lime:hover{background:#d8ff77;color:#07110D;transform:translateY(-1px);box-shadow:var(--shadow-lift);}
.btn--orange{background:var(--orange);color:#170A03;}
.btn--orange:hover{background:#ff834d;color:#170A03;transform:translateY(-1px);box-shadow:var(--shadow-lift);}
.btn--ghost{border-color:var(--rule);color:var(--text);background:rgba(14,36,27,.5);}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px);}
.btn--sm{padding:7px 13px;font-size:12px;}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  font-family:var(--font-mono);
  font-size:12px;line-height:1.8;letter-spacing:.08em;
  color:var(--muted);
  margin-bottom:clamp(16px,2.4vw,28px);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;}
.breadcrumbs li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumbs li:not(:last-child)::after{content:"/";color:var(--rule);}
.breadcrumbs a{color:var(--muted);border-bottom:1px solid transparent;transition:color var(--dur-fast),border-color var(--dur-fast);}
.breadcrumbs a:hover{color:var(--lime);border-bottom-color:currentColor;}
.breadcrumbs [aria-current="page"]{color:var(--text);}

/* ---------- 图片容器基础规则 ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  border:1px solid var(--rule);
  border-radius:3px;
  aspect-ratio:16/9;
  background-color:var(--ink-soft);
  background-image:
    linear-gradient(135deg,rgba(47,211,181,.14),transparent 46%),
    repeating-linear-gradient(90deg,rgba(23,54,42,.85) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(0deg,rgba(23,54,42,.85) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(115deg,rgba(199,255,61,.06) 0 2px,transparent 2px 26px);
}
.media img{width:100%;height:100%;object-fit:cover;display:block;}
.media--wide{aspect-ratio:21/9;}
.media--square{aspect-ratio:1/1;}
.media--portrait{aspect-ratio:3/4;}
.media__caption{
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:12px;line-height:1.7;letter-spacing:.04em;color:var(--muted);
}

/* ---------- 头部框架导航 ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:200;
}
.site-header__bar{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.8vw,26px);
  height:var(--frame-top);
  padding-inline:clamp(14px,2.2vw,26px);
  background:rgba(7,17,13,.94);
  border-bottom:1px solid var(--rule);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.site-header__progress{
  position:absolute;
  left:0;bottom:-1px;
  height:2px;width:0;
  background:var(--lime);
  box-shadow:0 0 12px rgba(199,255,61,.6);
  transition:width var(--dur-fast) linear;
}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand__mark{
  display:grid;place-items:center;
  width:34px;height:34px;
  border:1px solid var(--panel-2);
  border-radius:2px;
  background:linear-gradient(160deg,var(--panel),#06120E);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;letter-spacing:-.12em;
  text-indent:-.12em;
}
.brand__lockup{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:18px;font-weight:800;letter-spacing:-.02em;}
.brand__sub{
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);
}

.site-nav{margin-left:auto;}
.site-nav__list{display:flex;align-items:center;gap:clamp(2px,.9vw,10px);}
.site-nav__link{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 10px;
  border-radius:2px;
  font-size:14px;font-weight:500;line-height:1.4;
  color:var(--muted);
  white-space:nowrap;
  transition:color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease);
}
.site-nav__link:hover{color:var(--text);background:rgba(23,54,42,.62);}
.site-nav__dot{
  width:6px;height:6px;border-radius:50%;
  background:transparent;
  box-shadow:inset 0 0 0 1px var(--panel-2);
  flex:0 0 auto;
  transition:background var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease);
}
.site-nav__link[aria-current="page"]{color:var(--lime);}
.site-nav__link[aria-current="page"] .site-nav__dot{
  background:var(--lime);
  box-shadow:0 0 10px rgba(199,255,61,.85);
}

.site-header__utility{
  display:flex;align-items:center;gap:10px;
  margin-left:clamp(6px,1.2vw,18px);
}
.version-tag{
  padding:3px 6px;border-radius:2px;
  border:1px solid rgba(255,106,43,.5);
  background:rgba(255,106,43,.1);
  color:var(--orange);
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.18em;text-transform:uppercase;line-height:1.5;
  white-space:nowrap;
}
.site-header__cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:2px;
  background:var(--lime);color:#07110D;
  font-size:13px;font-weight:700;line-height:1.4;letter-spacing:.02em;
  white-space:nowrap;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header__cta:hover{background:#d8ff77;color:#07110D;transform:translateY(-1px);box-shadow:var(--shadow-lift);}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:8px 11px;
  border:1px solid var(--rule);
  border-radius:2px;
  background:rgba(14,36,27,.7);
  color:var(--text);
  font-size:12px;font-weight:700;letter-spacing:.1em;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}
.nav-toggle__bars{
  position:relative;display:block;
  width:16px;height:2px;
  background:currentColor;
  transition:background var(--dur) var(--ease);
}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;
  width:16px;height:2px;background:currentColor;
  transition:transform var(--dur) var(--ease),top var(--dur) var(--ease);
}
.nav-toggle__bars::before{top:-5px;}
.nav-toggle__bars::after{top:5px;}
.site-header[data-open="true"] .nav-toggle__bars{background:transparent;}
.site-header[data-open="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg);}
.site-header[data-open="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg);}

.site-header__rail{
  position:fixed;
  top:var(--frame-top);left:0;bottom:0;
  width:var(--frame-side);
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  padding:20px 0;
  background:linear-gradient(180deg,var(--ink) 0%,#0B1D15 52%,var(--ink) 100%);
  border-right:1px solid var(--rule);
}
.site-header__rail-tag{
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--panel-2);
  writing-mode:vertical-rl;
}
.site-header__rail-text{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:11px;line-height:1;letter-spacing:.4em;
  color:var(--muted);
}
.site-header__rail-meter{
  position:relative;
  width:2px;height:132px;
  background:var(--rule);
  overflow:hidden;
}
.site-header__rail-fill{
  position:absolute;
  top:0;left:0;right:0;
  height:0;
  background:var(--lime);
  box-shadow:0 0 10px rgba(199,255,61,.7);
  transition:height var(--dur-fast) linear;
}
@media (min-width:1024px){
  .site-header__rail{display:flex;}
}

@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:fixed;
    top:var(--frame-top);left:0;right:0;
    display:none;
    margin-left:0;
    padding:14px clamp(14px,4vw,24px) 18px;
    background:rgba(7,17,13,.985);
    border-bottom:1px solid var(--rule);
    box-shadow:0 20px 44px rgba(0,0,0,.55);
    max-height:calc(100vh - var(--frame-top));
    overflow-y:auto;
  }
  .site-header[data-open="true"] .site-nav{display:block;}
  .site-nav__list{flex-wrap:wrap;gap:8px;}
  .site-nav__link{
    padding:9px 12px;
    font-size:14px;
    border:1px solid var(--rule);
    background:rgba(14,36,27,.72);
  }
  .site-header__cta{display:none;}
}
@media (max-width:599px){
  :root{--frame-top:58px;}
  .version-tag{display:none;}
  .brand__name{font-size:16px;}
  .nav-toggle__text{display:none;}
  .nav-toggle{padding:9px 10px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(52px,8vw,112px);
  padding:clamp(32px,5vw,64px) clamp(16px,3vw,40px) 0;
  background:
    radial-gradient(760px 340px at 8% 0%,rgba(199,255,61,.05),transparent 62%),
    linear-gradient(180deg,#0A1912 0%,#07110D 100%);
  border-top:1px solid var(--rule);
  color:var(--text);
}
.site-footer__grid{
  display:grid;
  gap:clamp(26px,4vw,48px);
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  max-width:1280px;
  margin-inline:auto;
}
.site-footer__brand{display:flex;flex-direction:column;gap:14px;}
.brand--footer{cursor:default;}
.site-footer__lede{
  font-size:14px;line-height:1.85;
  color:var(--muted);
  max-width:44ch;
}
.site-footer__note{
  font-family:var(--font-mono);
  font-size:11px;line-height:1.8;letter-spacing:.05em;
  color:var(--cyan);
  max-width:44ch;
}
.site-footer__col{display:flex;flex-direction:column;gap:12px;}
.site-footer__title{
  font-family:var(--font-mono);
  font-size:11px;font-weight:700;line-height:1.6;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);
  padding-bottom:9px;
  border-bottom:1px solid var(--rule);
  margin:0;
}
.site-footer__list{display:flex;flex-direction:column;gap:8px;font-size:14px;line-height:1.7;}
.site-footer__list a{
  color:var(--text);
  border-bottom:1px solid transparent;
  transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease);
}
.site-footer__list a:hover{color:var(--lime);border-bottom-color:currentColor;}
.site-footer__list--meta li{
  display:flex;flex-wrap:wrap;align-items:center;gap:7px;
  font-family:var(--font-mono);
  font-size:12px;line-height:1.8;letter-spacing:.02em;
  color:var(--muted);
  word-break:break-word;
}
.site-footer__list--meta a{color:var(--text);}
.site-footer__meta{
  font-family:var(--font-mono);
  font-size:11px;line-height:1.8;letter-spacing:.08em;
  color:var(--muted);
  margin:0;
}
.site-footer__bar{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 20px;
  max-width:1280px;
  margin:clamp(28px,4vw,48px) auto 0;
  padding:18px 0 24px;
  border-top:1px solid var(--rule);
  font-family:var(--font-mono);
  font-size:11px;line-height:1.8;letter-spacing:.06em;
  color:var(--muted);
}
.site-footer__bar p{margin:0;max-width:none;}

@media (max-width:1023px){
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .site-footer__brand{grid-column:1/-1;}
}
@media (max-width:599px){
  .site-footer__grid{grid-template-columns:minmax(0,1fr);}
  .site-footer__bar{justify-content:flex-start;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}