:root {
  --sl-header-bg: rgba(9, 16, 27, 0.88);
  --sl-header-border: rgba(137, 218, 255, 0.24);
  --sl-panel-bg: rgba(12, 21, 35, 0.94);
  --sl-footer-bg: rgba(9, 16, 27, 0.9);
  --sl-text: #f3f8ff;
  --sl-muted: #a9b8c9;
  --sl-accent: #79ddff;
  --sl-accent-strong: #ff78aa;
  --site-header-height: 64px;
  --site-footer-height: 56px;
}

.sl-header {
  position: relative;
  z-index: 2147480000;
  width: 100%;
  box-sizing: border-box;
  color: var(--sl-text);
  background: transparent;
  border-bottom: 1px solid var(--sl-header-border);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3), inset 0 -1px rgba(255, 255, 255, 0.035);
  font-family: "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 14px;
}

.sl-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  box-sizing: border-box;
  background: var(--sl-header-bg);
  pointer-events: none;
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
}

.sl-header *,
.sl-header *::before,
.sl-header *::after {
  box-sizing: border-box;
}

.sl-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(100%, 1280px);
  min-height: 64px;
  margin: 0 auto;
  padding: 0 20px;
}

.sl-brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--sl-text) !important;
  font-size: 17px !important;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none !important;
}

.sl-brand::before {
  content: "S";
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(121, 221, 255, 0.65);
  border-radius: 10px;
  color: #09131d;
  background: linear-gradient(135deg, #a3ecff, #f494bb);
  box-shadow: 0 0 18px rgba(121, 221, 255, 0.25);
}

.sl-menu-toggle,
.sl-nav__trigger,
.sl-audio-toggle,
.sl-fullscreen-toggle {
  appearance: none;
  border: 0;
  font: inherit;
  cursor: pointer;
}

.sl-menu-toggle {
  display: none;
  margin-left: auto;
  padding: 8px 11px;
  border: 1px solid var(--sl-header-border);
  border-radius: 9px;
  color: var(--sl-text);
  background: rgba(255, 255, 255, 0.06);
}

.sl-menu-toggle__icon,
.sl-menu-toggle__icon::before,
.sl-menu-toggle__icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.sl-menu-toggle__icon {
  position: relative;
}

.sl-menu-toggle__icon::before,
.sl-menu-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.sl-menu-toggle__icon::before { top: -6px; }
.sl-menu-toggle__icon::after { top: 6px; }

.sl-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.sl-nav ul,
.sl-nav li {
  float: none !important;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
  overflow: visible !important;
}

.sl-nav__list {
  display: flex;
  align-items: stretch;
  gap: 3px;
}

.sl-nav__item {
  position: relative;
}

.sl-nav__link,
.sl-nav__trigger {
  display: flex !important;
  align-items: center;
  gap: 7px;
  width: 100%;
  min-height: 42px;
  padding: 9px 12px !important;
  border-radius: 9px;
  color: var(--sl-text) !important;
  background: transparent !important;
  font-size: 14px !important;
  line-height: 1.35;
  text-align: left !important;
  text-decoration: none !important;
  white-space: nowrap;
}

.sl-nav__trigger::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.7;
  transition: transform 0.18s ease;
}

.sl-nav__item:hover > .sl-nav__link,
.sl-nav__item:hover > .sl-nav__trigger,
.sl-nav__link:hover,
.sl-nav__trigger:hover,
.sl-nav__link[aria-current="page"],
.sl-nav__item.is-current-branch > .sl-nav__trigger {
  color: #fff !important;
  background: linear-gradient(135deg, rgba(121, 221, 255, 0.18), rgba(255, 120, 170, 0.15)) !important;
}

.sl-nav .sl-submenu {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2147480100;
  display: block;
  min-width: 230px;
  padding: 7px !important;
  border: 1px solid var(--sl-header-border);
  border-radius: 12px;
  background: transparent !important;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5), inset 0 1px rgba(255, 255, 255, 0.045);
  opacity: 0;
  visibility: hidden;
  transform: none;
  transition: opacity 0.16s ease, visibility 0.16s;
}

.sl-nav .sl-submenu::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: var(--sl-panel-bg);
  pointer-events: none;
  -webkit-backdrop-filter: blur(22px) saturate(155%);
  backdrop-filter: blur(22px) saturate(155%);
}

.sl-nav .sl-submenu > .sl-nav__item {
  position: relative;
  z-index: 1;
}

.sl-submenu .sl-submenu {
  top: 0;
  left: 0;
}

.sl-submenu .sl-nav__link,
.sl-submenu .sl-nav__trigger {
  min-height: 38px;
  padding: 8px 10px !important;
  white-space: normal;
}

.sl-submenu .sl-nav__trigger::after {
  transform: rotate(-45deg);
}

.sl-nav__item:hover > .sl-submenu,
.sl-nav__item:focus-within > .sl-submenu,
.sl-nav__item.is-open > .sl-submenu {
  opacity: 1;
  visibility: visible;
}

.sl-nav__item.is-open > .sl-nav__trigger::after {
  transform: rotate(225deg) translate(-1px, -1px);
}

.sl-header__actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sl-audio-toggle,
.sl-fullscreen-toggle {
  min-width: 86px;
  padding: 8px 12px;
  border: 1px solid rgba(121, 221, 255, 0.38);
  border-radius: 999px;
  color: var(--sl-text);
  background: rgba(121, 221, 255, 0.1);
  white-space: nowrap;
}

.sl-fullscreen-toggle {
  min-width: 58px;
}

.sl-audio-toggle[aria-pressed="true"] {
  border-color: rgba(255, 120, 170, 0.55);
  background: rgba(255, 120, 170, 0.16);
}

.sl-header a:focus-visible,
.sl-header button:focus-visible {
  outline: 3px solid var(--sl-accent);
  outline-offset: 2px;
}

html.has-site-shell,
body.has-site-footer {
  overflow-x: hidden !important;
}

body.has-site-footer {
  box-sizing: border-box;
  padding-bottom: var(--site-footer-height) !important;
}

.sl-footer {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 26000;
  min-height: 56px;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 13px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-top: 1px solid rgba(137, 218, 255, 0.18);
  color: #a9b8c9;
  background: var(--sl-footer-bg);
  box-shadow: 0 -12px 34px rgba(0, 0, 0, 0.28), inset 0 1px rgba(255, 255, 255, 0.035);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  backdrop-filter: blur(18px) saturate(145%);
  font-family: "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 11px;
  line-height: 1.45;
  text-align: center;
}

.sl-footer *,
.sl-footer *::before,
.sl-footer *::after {
  box-sizing: border-box;
}

.sl-footer span {
  display: inline;
  position: static !important;
  inset: auto !important;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  color: inherit !important;
  background: none !important;
  opacity: 1 !important;
  transform: none !important;
  text-shadow: none !important;
  font: inherit !important;
  line-height: inherit !important;
}

.sl-footer span + span::before,
.sl-footer a::before {
  content: "·";
  margin-right: 13px;
  color: #637487;
}

.sl-footer a {
  position: static !important;
  inset: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  color: #b9c9d8 !important;
  background: transparent !important;
  font: inherit !important;
  transform: none !important;
  text-decoration: none !important;
}

.sl-footer a:hover {
  color: #fff !important;
  text-decoration: underline !important;
  text-underline-offset: 3px;
}

.sl-footer a:focus-visible {
  outline: 3px solid var(--sl-accent);
  outline-offset: 4px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.legacy-stage {
  position: relative;
  margin: 0 auto;
}

body.has-mobile-fit-stage {
  min-height: 100vh !important;
  overflow: hidden !important;
}

@media (max-width: 900px) {
  .sl-header.is-menu-open {
    background: rgba(8, 15, 25, 0.97);
  }

  .sl-header__inner {
    flex-wrap: wrap;
    gap: 0;
    min-height: 58px;
    padding: 8px 12px;
  }

  .sl-brand {
    font-size: 16px !important;
  }

  .sl-menu-toggle {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
  }

  .sl-nav {
    order: 3;
    display: none;
    width: 100%;
    flex-basis: 100%;
    max-height: calc(100vh - 76px);
    padding: 8px 0 2px;
    overflow-y: auto;
  }

  .sl-header.is-menu-open .sl-nav {
    display: block;
  }

  .sl-nav__list {
    display: block;
  }

  .sl-nav__link,
  .sl-nav__trigger {
    min-height: 44px;
    padding: 10px 12px !important;
  }

  .sl-nav .sl-submenu,
  .sl-nav .sl-submenu .sl-submenu {
    position: static;
    display: none;
    min-width: 0;
    margin: 2px 0 5px 14px !important;
    padding: 3px 0 3px 8px !important;
    border: 0;
    border-left: 1px solid rgba(121, 221, 255, 0.28);
    border-radius: 0;
    background: rgba(20, 31, 47, 0.72) !important;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .sl-nav .sl-submenu::before {
    display: none;
  }

  .sl-nav__item.is-open > .sl-submenu {
    display: block;
  }

  .sl-submenu .sl-nav__trigger::after {
    transform: rotate(45deg) translateY(-2px);
  }

  .sl-nav__item.is-open > .sl-nav__trigger::after,
  .sl-submenu .sl-nav__item.is-open > .sl-nav__trigger::after {
    transform: rotate(225deg) translate(-1px, -1px);
  }

  .sl-header__actions {
    margin-left: 8px;
  }

  .sl-audio-toggle,
  .sl-fullscreen-toggle {
    min-width: 0;
    padding: 8px 10px;
  }
}

@media (max-width: 600px) {
  :root {
    --site-footer-height: 88px;
  }

  .sl-footer {
    min-height: 88px;
    padding: 9px 16px;
  }

  .sl-footer span,
  .sl-footer a {
    flex: 0 0 100%;
  }

  .sl-footer span + span::before,
  .sl-footer a::before {
    content: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}