*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0}
ul{list-style:none}
img{display:block;max-width:100%;height:auto}
input,button,textarea,select{font:inherit;color:inherit}
button{background:none;border:none;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
:focus{outline:none}
:focus-visible{outline:2px solid var(--accent-green);outline-offset:2px;box-shadow:0 0 0 4px rgba(57,255,20,.15)}
::selection{background:var(--accent-orange);color:#081224}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#081224}
::-webkit-scrollbar-thumb{background:#1E3359;border:2px solid #081224}
::-webkit-scrollbar-thumb:hover{background:#2A4A7C}
:root{
  --bg-main:#0A1428;
  --bg-panel:#10213D;
  --bg-elevated:#152A4A;
  --bg-sidebar:#080F1E;
  --border-color:#1E3359;
  --accent-orange:#FF6A00;
  --accent-green:#39FF14;
  --text-title:#F5F7FA;
  --text-body:#B0C4DE;
  --text-muted:#6B7F99;
  --error:#FF3B30;
  --success:#34C759;
  --font-heading:"PingFang SC","Microsoft YaHei","Heiti SC",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"Roboto Mono","SF Mono","Cascadia Mono",Consolas,monospace;
  --sidebar-width:280px;
  --header-height:64px;
  --container-pad:20px;
  --container-pad-lg:44px;
  --shadow-card:0 10px 30px rgba(2,6,14,.35);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max-read:1180px
}
body{
  overflow-x:hidden;
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.7;
  color:var(--text-body);
  background:
    radial-gradient(ellipse at 82% 4%,rgba(255,106,0,.06) 0%,transparent 34%),
    radial-gradient(ellipse at 12% 88%,rgba(57,255,20,.04) 0%,transparent 30%),
    var(--bg-main);
  -webkit-font-smoothing:antialiased
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  font-family:var(--font-heading);
  font-weight:900;
  line-height:1.2;
  color:var(--text-title);
  letter-spacing:.01em
}
h1{font-size:clamp(32px,5.2vw,56px)}
h2{font-size:clamp(26px,3.2vw,40px)}
h3{font-size:clamp(20px,2.2vw,28px)}
h4{font-size:19px}
h5{font-size:16px}
h6{font-size:14px}
p{margin:0 0 1em}
b,strong{font-weight:700;color:var(--text-title)}
code,kbd{font-family:var(--font-mono);font-size:.92em;background:rgba(176,196,222,.08);border:1px solid rgba(30,51,89,.6);padding:1px 6px}
.mono{font-family:var(--font-mono)}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.text-muted{color:var(--text-muted)}
.text-accent{color:var(--accent-orange)}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
@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}
}
.skip-link{
  position:fixed;
  top:0;left:0;
  z-index:1000;
  padding:10px 18px;
  background:var(--accent-orange);
  color:#081224;
  font-weight:700;
  font-size:14px;
  transform:translateY(-100%);
  transition:transform .24s var(--ease)
}
.skip-link:focus-visible{transform:translateY(0);outline:3px solid var(--accent-green);outline-offset:0}
@media (min-width:1024px){.skip-link{left:calc(var(--sidebar-width) + 12px)}}
.scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  z-index:900;
  background:linear-gradient(90deg,var(--accent-orange) 0%,var(--accent-green) 100%);
  transform-origin:left center;
  transform:scaleX(0);
  pointer-events:none
}
@media (min-width:1024px){.scroll-progress{left:var(--sidebar-width)}}
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:var(--header-height);
  display:flex;
  align-items:center;
  padding:0 16px;
  background:#081220;
  border-bottom:1px solid var(--border-color)
}
.header-topbar{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-title)}
.brand:hover{text-decoration:none}
.brand-mark{
  display:grid;
  place-items:center;
  width:42px;height:42px;
  background:var(--accent-orange);
  color:#081224;
  font-family:var(--font-heading);
  font-size:20px;
  font-weight:900;
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px))
}
.brand-copy{display:flex;flex-direction:column;line-height:1.25}
.brand-name{display:flex;align-items:baseline;gap:5px;font-size:17px;font-weight:900;letter-spacing:.02em;color:var(--text-title)}
.brand-name__en{font-family:var(--font-mono);font-size:8px;font-weight:400;letter-spacing:.14em;color:var(--accent-orange)}
.brand-domain{font-family:var(--font-mono);font-size:9px;letter-spacing:.04em;color:var(--text-muted)}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  background:transparent;
  border:1px solid var(--border-color)
}
.nav-toggle:hover{border-color:rgba(255,106,0,.5)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:20px}
.nav-toggle__bar{display:block;height:2px;width:100%;background:var(--text-title);transition:transform .3s var(--ease),opacity .2s}
.nav-toggle__label{font-size:11px;letter-spacing:.1em;color:var(--text-muted)}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.sidebar-body{
  position:fixed;
  top:var(--header-height);
  left:0;bottom:0;
  z-index:50;
  display:flex;
  flex-direction:column;
  width:min(84vw,320px);
  background:#0A1830;
  border-right:1px solid var(--border-color);
  box-shadow:14px 0 44px rgba(2,6,14,.45);
  transform:translateX(-105%);
  transition:transform .34s var(--ease)
}
.site-header[data-open] .sidebar-body{transform:translateX(0)}
.site-nav{
  flex:1 1 auto;
  overflow-y:auto;
  padding:16px 0 12px
}
.site-nav::-webkit-scrollbar{width:4px}
.site-nav::-webkit-scrollbar-thumb{background:var(--border-color)}
.nav-eyebrow{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:8px;
  margin:0;
  padding:10px 18px 12px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-muted);
  border-bottom:1px solid var(--border-color)
}
.nav-list{border-top:1px solid var(--border-color);margin-top:8px}
.nav-item{border-bottom:1px solid rgba(30,51,89,.55)}
.nav-link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:13px 16px 13px 18px;
  color:var(--text-body);
  border-left:3px solid transparent;
  transition:background .2s,border-color .2s,color .2s
}
.nav-link:hover{
  background:rgba(255,106,0,.05);
  color:var(--text-title);
  border-left-color:var(--accent-orange);
  text-decoration:none
}
.nav-link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(255,106,0,.16),rgba(255,106,0,0));
  border-left-color:var(--accent-orange);
  color:var(--text-title)
}
.nav-link__index{font-family:var(--font-mono);font-size:11px;color:var(--text-muted)}
.nav-link[aria-current="page"] .nav-link__index,
.nav-link:hover .nav-link__index{color:var(--accent-orange)}
.nav-link__label{font-size:14px;font-weight:600;flex:1;letter-spacing:.04em}
.nav-link__en{font-family:var(--font-mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}
.header-meta{
  display:flex;
  flex-direction:column;
  padding:14px 16px 20px;
  border-top:1px solid var(--border-color);
  background:rgba(5,12,24,.55)
}
.meta-live{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--text-muted)
}
.meta-live__dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent-green);
  animation:live-pulse 2.2s ease-out infinite
}
@keyframes live-pulse{
  0%{box-shadow:0 0 0 0 rgba(57,255,20,.4)}
  70%{box-shadow:0 0 0 7px rgba(57,255,20,0)}
  100%{box-shadow:0 0 0 0 rgba(57,255,20,0)}
}
.meta-live__text{font-size:11px;color:var(--text-muted)}
.meta-live__stamp{
  margin-left:auto;
  padding:2px 6px;
  font-size:9px;
  letter-spacing:.1em;
  color:var(--accent-green);
  border:1px solid rgba(57,255,20,.22);
  background:rgba(57,255,20,.06)
}
.meta-sub{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
  padding:8px 10px;
  background:rgba(255,106,0,.05);
  border:1px solid rgba(255,106,0,.18)
}
.meta-sub__badge{
  font-family:var(--font-mono);
  font-size:9px;
  font-weight:700;
  letter-spacing:.12em;
  padding:2px 6px;
  background:var(--accent-orange);
  color:#081224
}
.meta-sub__text{font-size:11px;color:var(--text-body)}
.meta-trust{margin:10px 0 0;font-size:11px;color:var(--text-muted);line-height:1.5}
.nav-overlay{
  position:fixed;
  top:var(--header-height);
  left:0;right:0;bottom:0;
  z-index:45;
  background:rgba(3,8,16,.72);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s var(--ease)
}
.site-header[data-open] .nav-overlay{opacity:1;pointer-events:auto}
.site-main,
main#main-content{
  position:relative;
  min-height:60vh;
  padding:calc(var(--header-height) + 24px) var(--container-pad) 72px
}
.container{
  width:100%;
  max-width:var(--max-read);
  margin-left:auto;
  margin-right:auto
}
.statusbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 18px;
  margin-bottom:28px;
  padding:10px 0;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-muted);
  border-bottom:1px solid var(--border-color)
}
.statusbar__label{color:var(--accent-orange)}
.statusbar__value{color:var(--text-body)}
.hero-index{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:16px;
  margin-bottom:40px
}
.hero-index__item{
  display:block;
  padding:22px 20px;
  background:var(--bg-panel);
  border:1px solid var(--border-color);
  border-top:3px solid var(--accent-orange);
  box-shadow:var(--shadow-card)
}
.hero-index__item:hover{border-top-color:var(--accent-green);text-decoration:none}
.hero-index__num{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent-orange);
  margin-bottom:8px
}
.hero-index__label{display:block;font-weight:700;color:var(--text-title);font-size:18px;margin-bottom:6px}
.hero-index__desc{display:block;font-size:13px;color:var(--text-muted);line-height:1.6}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:0 0 24px;
  padding:0;
  list-style:none;
  font-size:13px
}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";font-family:var(--font-mono);font-size:11px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--accent-orange)}
.breadcrumb [aria-current="page"]{color:var(--text-title);font-weight:600}
.section-head{margin-bottom:28px}
.section-head__kicker{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent-orange)
}
.section-head__flag{
  display:inline-grid;
  place-items:center;
  min-width:28px;
  height:22px;
  padding:0 8px;
  background:var(--accent-orange);
  color:#081224;
  font-size:11px;
  font-weight:900;
  clip-path:polygon(0 0,100% 0,calc(100% - 7px) 100%,0 100%)
}
.section-head__title{margin-bottom:8px}
.section-head__desc{color:var(--text-muted);font-size:14px;max-width:70ch}
.prose{font-size:15px;line-height:1.8;max-width:72ch}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose a{color:var(--accent-orange);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#FF8C33}
.prose ul{list-style:disc;padding-left:1.4em;margin-bottom:1em}
.prose ol{list-style:decimal;padding-left:1.4em;margin-bottom:1em}
.prose li{margin-bottom:.4em}
.prose blockquote{
  margin:1em 0;
  padding:4px 0 4px 16px;
  border-left:3px solid var(--accent-orange);
  color:var(--text-body)
}
.panel{padding:20px;background:var(--bg-panel);border:1px solid var(--border-color);box-shadow:var(--shadow-card)}
.panel--flat{box-shadow:none}
.panel--dense{padding:12px 16px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.4;
  letter-spacing:.08em;
  text-transform:uppercase;
  background:rgba(255,106,0,.1);
  border:1px solid rgba(255,106,0,.25);
  color:var(--accent-orange)
}
.badge--live{background:rgba(57,255,20,.07);border-color:rgba(57,255,20,.28);color:var(--accent-green)}
.badge--neutral{background:rgba(176,196,222,.04);border-color:var(--border-color);color:var(--text-muted)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  padding:0 20px;
  border:1px solid var(--border-color);
  background:var(--bg-panel);
  color:var(--text-title);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  line-height:1;
  letter-spacing:.04em;
  cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .2s
}
.btn:hover{border-color:var(--accent-orange);color:var(--accent-orange);text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--accent-orange);border-color:var(--accent-orange);color:#081224;font-weight:700}
.btn--primary:hover{background:#FF8033;border-color:#FF8033;color:#081224}
.btn--ghost{background:transparent}
.btn--sm{min-height:32px;padding:0 14px;font-size:13px}
.table-wrap{overflow-x:auto;border:1px solid var(--border-color);background:var(--bg-panel)}
.data-table{width:100%;min-width:560px;border-collapse:collapse;font-size:14px}
.data-table th{
  padding:10px 12px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.1em;
  text-transform:uppercase;
  text-align:left;
  color:var(--text-muted);
  background:rgba(10,20,40,.35);
  border-bottom:1px solid var(--border-color);
  white-space:nowrap
}
.data-table td{padding:12px;border-bottom:1px solid rgba(30,51,89,.45)}
.data-table tbody tr:hover{background:rgba(255,106,0,.03)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .num{font-family:var(--font-mono);color:var(--text-title)}
.index-list{border-top:1px solid var(--border-color)}
.index-row{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:13px 4px;
  border-bottom:1px solid var(--border-color);
  color:var(--text-body);
  transition:background .2s,padding-left .2s
}
.index-row:hover{background:rgba(255,106,0,.035);padding-left:10px;text-decoration:none}
.index-row__num{font-family:var(--font-mono);font-size:12px;color:var(--accent-orange)}
.index-row__title{flex:1;color:var(--text-title);font-weight:600;font-size:15px}
.index-row__meta{font-family:var(--font-mono);font-size:11px;color:var(--text-muted)}
.toc{padding:20px;background:var(--bg-panel);border:1px solid var(--border-color)}
.toc__title{margin-bottom:12px;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted)}
.toc__list{display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:8px 4px;
  border-bottom:1px solid rgba(30,51,89,.4);
  color:var(--text-body);
  font-size:14px
}
.toc__link::before{
  content:counter(toc,decimal-leading-zero);
  counter-increment:toc;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--accent-green)
}
.toc__link:hover{color:var(--text-title)}
.sidenote{
  margin:20px 0;
  padding:12px 16px;
  border-left:3px solid var(--accent-green);
  background:rgba(57,255,20,.04);
  font-size:13px;
  color:var(--text-muted)
}
.sidenote__tag{
  display:block;
  margin-bottom:6px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-green)
}
.scanline{position:relative;overflow:hidden}
.scanline::after{
  content:"";
  position:absolute;
  top:0;bottom:0;
  left:0;
  width:40%;
  background:linear-gradient(90deg,transparent,rgba(57,255,20,.07),transparent);
  transform:translateX(-150%) skewX(-18deg);
  animation:scanline-move 5s ease-in-out infinite;
  pointer-events:none
}
@keyframes scanline-move{
  0%{transform:translateX(-150%) skewX(-18deg)}
  70%,100%{transform:translateX(320%) skewX(-18deg)}
}
.tab-bar{
  display:flex;
  flex-wrap:wrap;
  gap:2px;
  margin-bottom:20px;
  border-bottom:1px solid var(--border-color)
}
.tab-btn{
  position:relative;
  padding:11px 18px;
  background:transparent;
  border-bottom:2px solid transparent;
  color:var(--text-muted);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:500;
  cursor:pointer;
  transition:color .2s,border-color .2s,background .2s
}
.tab-btn:hover{color:var(--text-title);background:rgba(255,106,0,.04)}
.tab-btn[aria-selected="true"],.tab-btn--active{
  color:var(--text-title);
  border-bottom-color:var(--accent-orange);
  font-weight:700
}
.tab-panel[hidden]{display:none}
.tab-panel{animation:tab-fade .3s var(--ease)}
@keyframes tab-fade{
  from{opacity:0;transform:translateY(4px)}
  to{opacity:1;transform:none}
}
.grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
.grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
.grid--gap-lg{gap:32px}
@media (min-width:768px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-index{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:1080px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
}
.img-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--bg-panel);
  border:1px solid var(--border-color)
}
.img-frame::before{content:"";display:block;padding-bottom:62.5%}
.img-frame--ratio-square::before{padding-bottom:100%}
.img-frame--ratio-wide::before{padding-bottom:42.86%}
.img-frame--ratio-tall::before{padding-bottom:130%}
.img-frame__inner{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:16px;
  text-align:center;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--text-muted);
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.015) 0 1px,transparent 1px 8px),
    linear-gradient(rgba(16,33,61,.6),rgba(16,33,61,.6))
}
.site-footer{
  background:#060E1C;
  border-top:1px solid var(--border-color);
  color:var(--text-muted)
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
  max-width:calc(var(--max-read) + 2 * var(--container-pad-lg));
  margin:0 auto;
  padding:44px var(--container-pad) 36px
}
.footer-intro__desc{margin:16px 0 14px;font-size:13px;line-height:1.7;color:var(--text-muted);max-width:60ch}
.footer-intro__contact{font-family:var(--font-mono);font-size:12px;line-height:1.8;color:var(--text-body)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-title)}
.footer-brand:hover{text-decoration:none}
.footer-brand__mark{
  display:grid;
  place-items:center;
  width:40px;height:40px;
  background:var(--accent-orange);
  color:#081224;
  font-family:var(--font-heading);
  font-size:19px;
  font-weight:900;
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,9px 100%,0 calc(100% - 9px))
}
.footer-brand__copy{display:flex;flex-direction:column;line-height:1.3}
.footer-brand__copy strong{font-size:16px;color:var(--text-title)}
.footer-brand__copy small{font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;color:var(--accent-orange)}
.footer-heading{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 16px;
  padding-bottom:10px;
  border-bottom:1px solid var(--border-color);
  font-family:var(--font-heading);
  font-size:15px;
  font-weight:900;
  letter-spacing:.04em;
  color:var(--text-title)
}
.footer-heading__num{font-family:var(--font-mono);font-size:10px;font-weight:400;letter-spacing:.1em;color:var(--accent-orange)}
.footer-nav{display:flex;flex-direction:column;gap:4px}
.footer-nav a{
  display:inline-block;
  padding:5px 0;
  color:var(--text-muted);
  font-size:14px;
  transition:color .2s,padding-left .2s
}
.footer-nav a:hover{color:var(--text-title);padding-left:6px;text-decoration:none}
.footer-note{margin:14px 0 0;padding-top:14px;border-top:1px solid rgba(30,51,89,.5);font-size:12px;line-height:1.8}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 20px;
  max-width:calc(var(--max-read) + 2 * var(--container-pad-lg));
  margin:0 auto;
  padding:16px var(--container-pad) 20px;
  border-top:1px solid var(--border-color);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.05em
}
.footer-bottom p{margin:0}
.to-top{
  position:fixed;
  right:18px;bottom:18px;
  z-index:95;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  background:var(--bg-panel);
  border:1px solid var(--border-color);
  color:var(--text-title);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  cursor:pointer;
  box-shadow:0 8px 24px rgba(2,6,14,.35);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s,border-color .2s,background .2s
}
.to-top[data-visible]{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateY(0)
}
.to-top:hover{border-color:var(--accent-orange);background:var(--bg-elevated)}
.to-top__arrow{color:var(--accent-orange);font-size:15px;line-height:1}
.to-top__label{font-size:10px;letter-spacing:.14em}
@media (max-width:380px){
  .brand-domain{display:none}
  .nav-toggle__label{display:none}
}
@media (min-width:900px){
  .footer-top{grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding:56px var(--container-pad-lg) 44px}
  .footer-bottom{padding-left:var(--container-pad-lg);padding-right:var(--container-pad-lg)}
}
@media (min-width:1024px){
  .site-header{
    right:auto;
    bottom:0;
    width:var(--sidebar-width);
    height:auto;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:0;
    background:
      repeating-linear-gradient(135deg,rgba(255,255,255,.012) 0 1px,transparent 1px 12px),
      linear-gradient(180deg,#0D1C36 0%,#081120 100%);
    border-right:1px solid var(--border-color);
    border-bottom:0
  }
  .header-topbar{
    width:auto;
    padding:20px 18px 16px;
    border-bottom:1px solid var(--border-color)
  }
  .nav-toggle{display:none}
  .sidebar-body{
    position:static;
    transform:none;
    width:auto;
    flex:1 1 auto;
    min-height:0;
    background:transparent;
    border-right:0;
    box-shadow:none
  }
  .site-nav{padding:8px 0 12px}
  .header-meta{padding:14px 16px 20px;background:rgba(5,12,24,.35)}
  .nav-overlay{display:none}
  .site-main,
  main#main-content{
    margin-left:var(--sidebar-width);
    min-height:100vh;
    padding:48px var(--container-pad-lg) 96px
  }
  .site-footer{margin-left:var(--sidebar-width)}
}