.site-header{
  position:fixed; top:0; left:0; right:0; width:100%; z-index:120;
  background: rgba(11,15,25,.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

.header-inner{
  height:56px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
}

.site-main{ padding:78px 0 44px; }

.site-footer{
  border-top:1px solid var(--line);
  padding:18px 0;
  color:var(--muted);
}

.site-shell {
  position: relative;
}

.site-float-aside {
  position: fixed;
  top: 120px;
  width: 240px;
  max-height: 75vh;
  overflow: visible;
  z-index: 20;
}

.site-float-aside-left {
  left: calc(50% - (var(--w) / 2) - 240px);
}

.site-float-aside-right {
  left: calc(50% + (var(--w) / 2) + 16px);
}

.site-float-aside:empty {
  display: none;
}

.aside-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
  padding: 14px 12px;
}

.aside-title {
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  opacity: 0.85;
  margin: 0 0 8px;
}

.aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
}


.aside-panel .aside-list {
  max-height: calc(75vh - 28px);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.aside-panel .aside-list::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.aside-list li + li {
  margin-top: 4px;
}

.aside-list a {
  display: block;
  padding: 7px 8px;
  border-radius: 8px;
  text-decoration: none;
}

.aside-list a:hover {
  background: rgba(255, 255, 255, 0.08);
}

.aside-list a.is-active {
  background: rgba(255, 255, 255, 0.12);
  font-weight: 700;
}

@media (max-width: 1600px) {
  .site-float-aside {
    display: none !important;
  }
}