/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; background: #000; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: #171717; color: #f3f4f6; min-height: 100vh; line-height: 1.5; max-width: 560px; margin: 0 auto; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; color: inherit; }

/* ===== Utility ===== */
.max-w-6xl { max-width: 560px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.pb-20 { padding-bottom: 5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.my-3 { margin-top: 0.75rem; margin-bottom: 0.75rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.p-4 { padding: 1rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.text-center { text-align: center; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.leading-relaxed { line-height: 1.75; }
.whitespace-nowrap { white-space: nowrap; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }
.w-full { width: 100%; }
.w-5 { width: 1.25rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-64 { width: 16rem; }
.h-5 { height: 1.25rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-11 { height: 2.75rem; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,.3); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0,0,0,.3); }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.bottom-4 { bottom: 1rem; }
.bottom-16 { bottom: 4rem; }
.right-4 { right: 1rem; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.ml-2 { margin-left: 0.5rem; }
.mr-4 { margin-right: 1rem; }

/* Colors */
.bg-gray-950 { background-color: #171717; }
.bg-gray-900 { background-color: #ffffff0d; }
.bg-gray-800 { background-color: #ffffff14; }
.bg-amber-100 { background-color: #fef3c7; }
.bg-emerald-100 { background-color: #d1fae5; }
.bg-pink-600 { background-color: #ff9900; }
.bg-black\/50 { background-color: rgba(0,0,0,.5); }
.text-white { color: #fff; }
.text-white\/80 { color: rgba(255,255,255,.8); }
.text-gray-300 { color: #d1d5db; }
.text-gray-400 { color: #ffffffb3; }
.text-gray-500 { color: #6b7280; }
.text-orange-400 { color: #ff9900; }
.text-orange-500 { color: #ff9900; }
.bg-orange-500 { background-color: #ff9900; }
.border-gray-600 { border-color: #4b5563; }
.border-gray-800 { border-color: #ffffff14; }
.border-b { border-bottom: 0.5px solid; }
.border-t { border-top: 0.5px solid; }
.border { border: 1px solid; }

/* Transitions */
.transition-colors { transition: color .15s, background-color .15s; }
.transition-transform { transition: transform .3s; }
.transform { transform: translateZ(0); }
.translate-x-full { transform: translateX(100%); }
.duration-300 { transition-duration: 300ms; }

/* ===== Header / Navigation ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #171717;
  max-width: inherit;
  width: 100%;
}
.topbar { }
.category-nav { }

.header-bar {
  width: 100%;
  height: 2.75rem;
  border-collapse: collapse;
}
.header-logo-cell {
  width: 100px;
  vertical-align: middle;
  padding: 0;
}
.header-logo-cell a { display: inline-block; vertical-align: middle; position: relative; top: 5px; }
.header-nav-cell {
  text-align: right;
  vertical-align: middle;
  padding: 0;
  font-size: 0.875rem
}

.nav-tab {
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  color: #ffffffb3;
  transition: color .15s, background-color .15s;
  margin-left: 0.5rem;
}
.nav-tab:hover, .nav-tab.active { color: #ff9900; }

.cat-row {
  overflow-x: auto;
  white-space: nowrap;
  padding: 0.375rem 0;
  font-size: 0;
}

/* 一级分类 - 字体大一号 */
.menu-item {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  color: #ffffffb3;
  font-size: 0.8375rem;
  font-weight: 500;
  transition: all .15s;
  vertical-align: middle;
}
.menu-item:hover { color: #ffffffb3; }
.menu-item.active { background: #ff9900; color: #000; }

/* ===== Tags container - 整体展开/收起 ===== */
.tags-container {
  position: relative;
  padding: 0.4rem 0 1.4rem;
}
.tags-inner {
  overflow: hidden;
  transition: max-height .3s ease;
}
/* 收起：限制为2行高度 (每行约 1.5rem，含 padding) */
.tags-container.collapsed .tags-inner {
  max-height: 3.6rem;
}
/* 展开：不限制高度 */
.tags-container.expanded .tags-inner {
  max-height: none;
}

/* 每个分组一行 */
.tag-group {
  padding: 0.15rem 0;
}
.tag-group-label {
  display: inline-block;
  font-size: 0.75rem;
  color: #ff9900;
  font-weight: 600;
  vertical-align: middle;
  min-width: 2rem;
  margin-right: 0.375rem;
  letter-spacing: 0.025em;
}

/* 二级标签 - 小一号字体 */
.menu-item-sub {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  color: #ffffffb3;
  font-size: 0.6875rem;
  transition: all .15s;
  vertical-align: middle;
  margin: 0.1rem 0.05rem;
  border: 1px solid transparent;
}
.menu-item-sub:hover {
  color: #f3f4f6;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
}
.menu-item-sub.active {
  background: #ff9900;
  color: #000;
  font-size: 0.6875rem;
  border-color: #ff9900;
}

/* 展开/收起按钮 - 右下角 */
.tags-toggle {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  font-size: 0.6875rem;
  color: #000;
  cursor: pointer;
  background: #ff9900;
  border: 1px solid #ff9900;
  border-radius: 0.25rem;
  padding: 0.125rem 0.5rem;
  transition: all .15s;
  z-index: 2;
  line-height: 1.4;
}
.tags-toggle:hover {
  background: #e68a00;
  border-color: #e68a00;
}

.hide-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.hide-scrollbar::-webkit-scrollbar { display: none; }

/* ===== Section Title ===== */
.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
  border-left: 3px solid #ff9900;
}

/* ===== Homepage ===== */
.home-section {
  margin-bottom: 1.5rem;
}
.home-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}
.more-btn {
  display: block;
  text-align: center;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: #ff9900;
  background: #ffffff0d;
  border-radius: 0.375rem;
  transition: background .15s;
}
.more-btn:hover {
  background: #ffffff14;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, #ffffff0d 25%, #ffffff14 50%, #ffffff0d 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
.skeleton-text {
  height: 0.875rem;
  margin: 0.5rem;
  border-radius: 0.25rem;
  background: linear-gradient(90deg, #ffffff0d 25%, #ffffff14 50%, #ffffff0d 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== Video Grid ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (min-width: 480px) {
  .video-grid.grid-2col { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Card ===== */
.card {
  display: block;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #ffffff0d;
  transition: transform .2s;
}
.card:hover { transform: translateY(-2px); }

.card-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #ffffff14;
}
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s, opacity .4s ease;
}
.card:hover .card-img { transform: scale(1.05); }

/* Lazy image: shimmer placeholder + fade in */
img.lazy {
  opacity: 0;
}
img.lazy-loaded {
  opacity: 1;
}
.card-img-wrap .lazy-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #ffffff08 25%, #ffffff18 50%, #ffffff08 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  z-index: 1;
}
.card-img-wrap .lazy-placeholder.hide {
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
/* Image viewer - auto height */
.image-viewer { }
.image-item-auto {
  margin-bottom: 0.25rem;
}
.image-auto {
  width: 100%;
  height: auto;
  border-radius: 0.25rem;
  display: block;
}

/* Episode bar */
.episode-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.episode-btn {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
  background: #ffffff0d;
  color: #d1d5db;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all .15s;
}
.episode-btn:hover { background: #ffffff14; }
.episode-btn.active {
  background: #ff9900;
  color: #000;
  border-color: #ff9900;
}
.episode-more {
  color: #ff9900;
  border-color: rgba(255,153,0,.4);
}
.episodes-modal-body {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  max-height: 60vh;
  overflow-y: auto;
}

/* Empty state */
/* Back button */
.back-btn {
  display: inline-block;
  padding: 0.25rem 0;
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
  color: #ff9900;
}

/* Gallery card - full height cover image */
.gallery-card {
  display: block;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #ffffff0d;
}
.gallery-card-img {
  overflow: hidden;
  border-radius: 0.5rem 0.5rem 0 0;
}
.gallery-cover {
  width: 100%;
  height: auto;
  display: block;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #9ca3af;
}
.empty-state p { font-size: 1rem; margin-bottom: 1rem; }
.empty-actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.3);
  opacity: 0;
  transition: opacity .2s;
}
.card:hover .card-overlay { opacity: 1; }

.card-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  background: rgba(255,153,0,.8);
  color: #000;
  border-radius: 0.25rem;
}

.card-title {
  padding: 0.25rem 0.375rem;
  font-size: 0.75rem;
  /* line-height: 1.25; */
  max-height: calc(0.75rem * 1.25 * 2 + 0.5rem);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  word-break: break-all;
}

/* ===== Novel Grid ===== */
.novel-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 0.5rem;
}

.novel-card {
  display: block;
  padding: 0.75rem 1rem;
  background: #ffffff0d;
  border-radius: 0.5rem;
  transition: background .15s;
}
.novel-card:hover { background: #ffffff14; }
.novel-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.novel-card-category {
  font-size: 0.75rem;
  color: #ffffffb3;
}

/* ===== Image Grid ===== */
.image-grid {
  column-count: 2;
  column-gap: 0.5rem;
}
.image-grid > * {
  break-inside: avoid;
  margin-bottom: 0.5rem;
}

/* ===== Novel Reader ===== */
.novel-reader {
  padding: 1rem;
  border-radius: 0.5rem;
  background: #ffffff0d;
  min-height: 50vh;
}
.novel-text { white-space: pre-wrap; word-break: break-word; }
.novel-text p { margin-bottom: 1em; text-indent: 2em; }
.novel-reader { font-size: 16px; line-height: 1.8; }

.novel-settings-wrap {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 30;
}
.novel-settings-btn {
  width: 2.5rem;
  height: 2.5rem;
  background: #ff9900;
  color: #000;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
.novel-settings-panel {
  position: fixed;
  bottom: 4rem;
  right: 1rem;
  background: #222;
  border-radius: 0.5rem;
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  z-index: 30;
  width: 15rem;
}

/* ===== Video Detail: Route Bar ===== */
.route-bar {
  display: flex;
  gap: 0.5rem;
}
.route-btn {
  flex: 1;
  padding: 0.4rem 0;
  font-size: 0.8125rem;
  text-align: center;
  border-radius: 0.375rem;
  background: #ffffff14;
  color: #d1d5db;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s;
}
.route-btn.active {
  background: #ff9900;
  color: #000;
  border-color: #ff9900;
  font-weight: 600;
}
.route-btn:hover:not(.active) {
  background: #ffffff20;
}

/* ===== Video Detail: Action Bar ===== */
.action-bar {
  display: flex;
  gap: 0.375rem;
}
.action-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.25rem;
  font-size: 0.6875rem;
  color: #d1d5db;
  background: #ffffff0d;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  transition: background .15s;
}
.action-btn:hover { background: #ffffff14; }
.action-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal.hidden { display: none; }
.modal-content {
  background: #222;
  border-radius: 0.5rem;
  width: 100%;
  max-width: 20rem;
  overflow: hidden;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #ffffff14;
}
.modal-close {
  font-size: 1.25rem;
  color: #9ca3af;
  cursor: pointer;
  background: none;
  border: none;
}
.modal-body {
  padding: 1rem;
}
.fb-type-label {
  display: block;
  padding: 0.375rem 0.5rem;
  font-size: 0.8125rem;
  color: #d1d5db;
  background: #ffffff0d;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background .15s;
}
.fb-type-label:hover { background: #ffffff14; }
.fb-type-label input { margin-right: 0.5rem; accent-color: #ff9900; }
.fb-textarea {
  display: block;
  width: 100%;
  padding: 0.5rem;
  font-size: 0.8125rem;
  background: #ffffff0d;
  border: 1px solid #ffffff20;
  border-radius: 0.375rem;
  color: #f3f4f6;
  resize: none;
  height: 4rem;
  margin-bottom: 0.5rem;
  outline: none;
}
.fb-textarea:focus { border-color: #ff9900; }
.fb-upload-label {
  display: block;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: #9ca3af;
  background: #ffffff0d;
  border: 1px dashed #ffffff20;
  border-radius: 0.375rem;
  cursor: pointer;
  margin-bottom: 0.5rem;
}
.fb-previews {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}
.fb-preview-img {
  width: 4rem;
  height: 4rem;
  object-fit: cover;
  border-radius: 0.25rem;
}
.feedback-option {
  display: block;
  width: 100%;
  padding: 0.5rem;
  text-align: left;
  font-size: 0.875rem;
  color: #d1d5db;
  background: #ffffff0d;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background .15s;
}
.feedback-option:hover { background: #ffffff14; }

/* ===== Video Player ===== */
.video-player-wrap {
  position: relative;
  width: 100%;
  min-height: 200px;
  max-height: 80vh;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #000;
}
.video-player-wrap video {
  width: 100%;
  height: auto;
  max-height: 80vh;
  display: block;
}
.video-js {
  width: 100% !important;
  height: auto !important;
  min-height: 200px;
  max-height: 80vh;
}
.player-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffffb3;
  font-size: 0.875rem;
}
.player-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffffb3;
  font-size: 0.875rem;
  text-align: center;
  gap: 0.25rem;
}
.player-error p:first-child { color: #ef4444; font-weight: 600; }
.player-tip {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  background: rgba(0,0,0,.75);
  color: #ff9900;
  border-radius: 0.25rem;
  z-index: 10;
  pointer-events: none;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: #ff9900;
  color: #000;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background .15s;
}
.btn-primary:hover { background: #e68a00; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: #ffffff14;
  color: #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: background .15s;
}
.btn-secondary:hover { background: #374151; }

.btn-sm {
  padding: 0.25rem 0.5rem;
  background: #374151;
  color: #e5e7eb;
  border-radius: 0.25rem;
  font-size: 0.75rem;
}
.btn-sm:hover { background: #4b5563; }

/* ===== Tag Badge ===== */
.tag-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  background: #ffffff14;
  border-radius: 9999px;
  font-size: 0.75rem;
  color: #d1d5db;
  transition: background .15s;
}
.tag-badge:hover { background: #374151; }

/* ===== Pagination ===== */
.pagination-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.page-btn {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  font-size: 0.8125rem;
  border-radius: 0.375rem;
  background: #ffffff14;
  color: #d1d5db;
  transition: all .15s;
}
.page-btn:hover { background: #374151; color: #fff; }
.page-btn.disabled { opacity: .35; cursor: not-allowed; pointer-events: none; }

/* 上一章/下一章：左右两端对齐，中间为章节计数 */
.pagination-bar.chapter-nav {
  justify-content: space-between;
}
.pagination-bar.chapter-nav > .page-btn:first-child {
  margin-right: auto;
}
.pagination-bar.chapter-nav > .page-btn:last-child {
  margin-left: auto;
}
.page-info {
  font-size: 0.8125rem;
  color: #ffffffb3;
  white-space: nowrap;
}
.page-jump {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.page-input {
  width: 3rem;
  padding: 0.25rem 0.375rem;
  font-size: 0.8125rem;
  text-align: center;
  border: 1px solid #ffffff20;
  border-radius: 0.25rem;
  background: #ffffff0d;
  color: #f3f4f6;
  outline: none;
}
.page-input:focus { border-color: #ff9900; }
.page-go {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  background: #ff9900;
  color: #000;
  border-radius: 0.25rem;
  cursor: pointer;
  border: none;
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  background: #ff9900;
  color: #000;
  border-radius: 9999px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  z-index: 30;
  border: none;
  cursor: pointer;
}
.back-to-top:hover { background: #e68a00; }

/* ===== Ad lazy image wrapper ===== */
.lazy-img-wrap { position: relative; }
.lazy-img-wrap .lazy-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #ffffff08 25%, #ffffff18 50%, #ffffff08 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  z-index: 1;
  border-radius: inherit;
}
.lazy-img-wrap .lazy-placeholder.hide {
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}

/* ===== Ad: Banners (below tags) ===== */
.ad-banners-list {
  padding: 0.5rem 0;
}
.ad-banner-item {
  display: block;
  margin-bottom: 0.375rem;
}
.ad-banner-item img { border-radius: 0.5rem; }

/* ===== Ad: Hot Items (5 per row) ===== */
.ad-hot-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  padding: 0.5rem 0;
  justify-items: center;
}
.ad-hot-item {
  display: block;
  text-align: center;
  overflow: hidden;
  width: 52px;
}
.ad-hot-img-wrap {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 0.5rem;
  overflow: hidden;
  background: #ffffff0d;
}
.ad-hot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ad-hot-title {
  display: block;
  font-size: 0.6875rem;
  color: #ffffffb3;
  margin-top: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Ad: Tag Ads (4 per row) ===== */
.ad-tag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.375rem;
  padding: 0 0 0.5rem;
}
.ad-tag-item {
  display: block;
  text-align: center;
  padding: 0.35rem 0.25rem;
  background: #ffffff0d;
  border-radius: 0.375rem;
  transition: background .15s;
}
.ad-tag-item:hover { background: #ffffff14; }
.ad-tag-text {
  font-size: 0.75rem;
  color: #ff9900;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Ad: Native Ad Card (injected at index=1) ===== */
.native-ad-card {
  position: relative;
}
.native-ad-badge {
  position: absolute;
  top: 0.375rem;
  right: 0.375rem;
  padding: 0.0625rem 0.375rem;
  font-size: 0.625rem;
  background: rgba(255,153,0,.85);
  color: #000;
  border-radius: 0.25rem;
  font-weight: 600;
  z-index: 2;
}

/* ===== Search Page ===== */
.search-bar {
  display: flex;
  gap: 0.5rem;
}
.search-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  background: #ffffff0d;
  border: 1px solid #ffffff20;
  border-radius: 0.375rem;
  color: #f3f4f6;
  outline: none;
}
.search-input:focus { border-color: #ff9900; }
.search-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  background: #ff9900;
  color: #000;
  border: none;
  border-radius: 0.375rem;
  font-weight: 600;
  cursor: pointer;
}
.search-tabs {
  display: flex;
  gap: 0.5rem;
}
.search-tab {
  flex: 1;
  padding: 0.375rem 0;
  font-size: 0.8125rem;
  text-align: center;
  background: #ffffff0d;
  color: #d1d5db;
  border: 1px solid transparent;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all .15s;
}
.search-tab.active {
  background: #ff9900;
  color: #000;
  font-weight: 600;
  border-color: #ff9900;
}

/* ===== Domain Tip ===== */
.domain-tip {
  padding: 0.5rem 0.625rem;
  margin-bottom: 0.75rem;
  background: #ffffff0d;
  border-radius: 0.375rem;
  font-size: 0.6875rem;
  line-height: 1.5;
}
.domain-tip a {
  color: #ff9900;
  display: inline-block;
  margin-right: 0.75rem;
  margin-bottom: 0.25rem;
}
.domain-tip p { margin-bottom: 0.125rem; }
.domain-tip-info {
  color: #ffffffb3;
}

/* ===== Hover underline helper ===== */
.hover\:underline:hover { text-decoration: underline; }
.hover\:bg-gray-700:hover { background-color: #374151; }
.hover\:bg-gray-800:hover { background-color: #ffffff14; }
.hover\:text-white:hover { color: #fff; }
.ad-banners-top {
    position: fixed;
    top: 0;

    /* 🔥关键：必须居中对齐 body */
    left: 50%;
    transform: translateX(-50%);

    width: 100%;
    max-width: 560px;

    z-index: 999999;

    background: rgba(0,0,0,0.85);
}

.top-banner-img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
}

body {
    padding-top: 80px !important;
}

/* ===== 底部悬浮广告 ===== */
.ad-banners-bottom {
    position: fixed;
    bottom: 0;

    left: 50%;
    transform: translateX(-50%);

    width: 100%;
    max-width: 560px;

    z-index: 999999;

    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(6px);
}

/* banner item */
.ad-banner-bottom-item {
    display: block;
}

/* 图片 */
.bottom-banner-img {
    width: 100%;
    height: 80px;   /* 可调高度 */
    object-fit: cover;
    display: block;
}

/* 防止遮挡内容（关键） */
body {
    padding-bottom: 80px !important;
}