/* SEO + UX baseline enhancements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 12px;
  z-index: 10000;
  background: #111;
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

main[role="main"] {
  display: block;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

img,
video,
iframe,
table,
svg {
  max-width: 100%;
}

.art-main,
.items,
.tt {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.art-main table {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.art-main iframe,
.art-main video {
  width: 100%;
  height: auto;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #ff3636;
  outline-offset: 2px;
}

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

@media (max-width: 767px) {
  main[role="main"] {
    padding-bottom: 12px;
  }

  .part .tt {
    line-height: 1.5;
  }

  .part .item .a h3 {
    max-width: 100%;
  }
}

/* Home hero search visibility fix */
body.home-page #banner-bear .primary-menus .left-cont form.search {
  position: relative;
  display: flex;
  align-items: center;
}

body.home-page #banner-bear .primary-menus .left-cont form.search .s {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  width: 100%;
  min-height: 44px;
}

body.home-page #banner-bear .primary-menus .left-cont form.search .btn {
  position: static !important;
  top: auto !important;
  right: auto !important;
  margin-left: 0 !important;
  width: auto;
}

@media (max-width: 991px) {
  body.home-page #banner-bear .primary-menus .left-cont form.search {
    flex-direction: column;
    gap: 10px;
  }

  body.home-page #banner-bear .primary-menus .left-cont form.search .s,
  body.home-page #banner-bear .primary-menus .left-cont form.search .btn {
    width: 100% !important;
  }
}

@media (max-width: 767px) {
  body.home-page .primary-menus .selects {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  body.home-page .primary-menus .selects::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
  }
}

/* Mobile search / floating nav fixes */
.header .search .s-form {
  max-width: calc(100vw - 20px);
}

.footer-nav-buttons {
  right: max(8px, env(safe-area-inset-right));
  bottom: calc(72px + env(safe-area-inset-bottom));
}

.footer-nav-buttons #backtop,
.footer-nav-buttons #backbottom,
.footer-nav-buttons .footer-bilibili {
  position: static !important;
  right: auto !important;
  bottom: auto !important;
}

.footer-nav-buttons #backtop {
  display: none;
}

@media (max-width: 767px) {
  .header .search {
    margin-left: 8px;
  }

  .header .search .s-form {
    width: min(92vw, 320px);
    right: 0;
    left: auto;
    z-index: 10001;
    padding: 12px;
    border-radius: 10px;
  }

  .header .search .s-form .sform {
    width: 100%;
    padding-right: 40px;
  }

  .header .search .s-form .sinput {
    height: 36px;
    line-height: 36px;
    padding: 0 10px;
  }

  .header .search .s-form button i {
    height: 36px;
    line-height: 36px;
  }

  .header .search .s-form .arrow {
    right: 8px;
  }

  .footer-nav-buttons {
    right: 6px;
    bottom: calc(48px + env(safe-area-inset-bottom));
    gap: 8px;
  }

  .footer-nav-buttons .footer-bilibili {
    display: none !important;
  }

  .footer-nav-buttons #backtop,
  .footer-nav-buttons #backbottom,
  .footer-nav-buttons .footer-bilibili {
    width: 36px;
    height: 36px;
    line-height: 36px;
    font-size: 18px;
    border-radius: 8px;
  }
}