/* ============================================
   公共基础
   ============================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; background: #0a0f0a; color: #a3e635; line-height: 1.6; }
a { color: #22c55e; text-decoration: none; }
a:hover { color: #4ade80; }
img { max-width: 100%; height: auto; }

.bn-body { background: #0a0f0a; }
.bn-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }

/* 快讯栏 */
.bn-ticker { background: rgba(34,197,94,0.06); padding: 12px 20px; display: flex; align-items: center; gap: 16px; overflow: hidden; border-bottom: 1px solid rgba(34,197,94,0.1); position: relative; z-index: 3; }
.bn-ticker-label { background: #22c55e; color: #fff; padding: 4px 14px; border-radius: 4px; font-size: 12px; font-weight: 700; flex-shrink: 0; letter-spacing: 2px; }
.bn-ticker-track { flex: 1; overflow: hidden; }
.bn-ticker-track p { animation: bnScroll 30s linear infinite; white-space: nowrap; color: #666; font-size: 13px; }
@keyframes bnScroll { 0% { transform: translateX(100%); } 100% { transform: translateX(-100%); } }

/* 面包屑 */
.bn-crumb { background: rgba(34,197,94,0.04); padding: 12px 20px; border-bottom: 1px solid rgba(34,197,94,0.1); position: relative; z-index: 3; }
.bn-crumb-inner { max-width: 1200px; margin: 0 auto; font-size: 13px; color: #555; }
.bn-crumb-sep { margin: 0 8px; color: #333; }
.bn-crumb-cur { color: #4ade80; font-weight: 600; }
.bn-crumb a { color: #22c55e; text-decoration: none; }

/* 区块标题 */
.bn-section { margin-bottom: 30px; position: relative; z-index: 3; }
.bn-section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }
.bn-section-title { font-size: 20px; font-weight: 800; color: #4ade80; }
.bn-section-title::before { content: ""; display: inline-block; width: 4px; height: 20px; background: #22c55e; border-radius: 2px; margin-right: 10px; vertical-align: middle; }
.bn-section-more { color: #22c55e; font-size: 13px; font-weight: 500; }
.bn-section-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.bn-tab-pill { display: inline-block; padding: 5px 14px; background: rgba(34,197,94,0.1); color: #22c55e; text-decoration: none; border-radius: 4px; font-size: 12px; border: 1px solid rgba(34,197,94,0.2); transition: 0.2s; }
.bn-tab-pill:hover { background: rgba(34,197,94,0.25); border-color: #22c55e; }

/* 通用卡片 */
.bn-card { background: #0f1a0f; border: 1px solid #1a2e1a; border-radius: 2px; overflow: hidden; transition: 0.3s; }
.bn-card:hover { border-color: #22c55e; box-shadow: 0 0 20px rgba(34,197,94,0.2); transform: translateY(-4px); }
.bn-card-link { text-decoration: none; color: inherit; display: block; }
.bn-card-poster { position: relative; padding-bottom: 140%; overflow: hidden; background: #111; }
.bn-card-poster img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.bn-card:hover .bn-card-poster img { transform: scale(1.05); }
.bn-card-badge { position: absolute; top: 8px; left: 8px; background: #22c55e; color: #fff; padding: 3px 10px; border-radius: 4px; font-size: 10px; font-weight: 600; }
.bn-card-score { position: absolute; bottom: 8px; right: 8px; background: rgba(0,0,0,0.7); color: #4ade80; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; border: 1px solid rgba(74,222,128,0.3); }
.bn-card-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0); display: flex; align-items: center; justify-content: center; transition: 0.25s; }
.bn-card:hover .bn-card-overlay { background: rgba(34,197,94,0.15); }
.bn-card-play { font-size: 36px; color: #4ade80; opacity: 0; transition: 0.25s; text-shadow: 0 0 16px rgba(34,197,94,0.6); }
.bn-card:hover .bn-card-play { opacity: 1; }
.bn-card-body { padding: 12px; }
.bn-card-title { font-size: 14px; font-weight: 600; color: #a3e635; margin-bottom: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bn-card-desc { font-size: 12px; color: #666; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 4px; }
.bn-card-meta { font-size: 11px; color: #555; }
.bn-card-meta span { margin-right: 8px; }

/* 特色区块 */
.bn-features { padding: 0 0 20px; }
.bn-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.bn-feature-item { text-align: center; padding: 24px 16px; background: rgba(34,197,94,0.04); border: 1px solid #1a2e1a; border-radius: 2px; transition: 0.2s; }
.bn-feature-item:hover { border-color: #22c55e; box-shadow: 0 0 16px rgba(34,197,94,0.15); }
.bn-feature-icon { font-size: 28px; margin-bottom: 12px; }
.bn-feature-item h3 { font-size: 14px; font-weight: 700; color: #4ade80; margin-bottom: 8px; }
.bn-feature-item p { font-size: 12px; color: #666; }

/* 列表页头部 */
.bn-list-hero { background: linear-gradient(135deg, #0a0f0a 0%, #0f1a0f 100%); padding: 40px 20px; position: relative; border-bottom: 1px solid #1a2e1a; z-index: 3; }
.bn-list-hero-inner { max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
.bn-list-hero-title { font-size: 32px; font-weight: 800; color: #4ade80; margin-bottom: 10px; }
.bn-list-hero-desc { font-size: 14px; color: #666; }
.bn-list-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.bn-list-title { font-size: 18px; font-weight: 700; color: #a3e635; }
.bn-list-count { font-size: 13px; color: #555; }

/* 筛选条（水平） */
.bn-filter { background: rgba(34,197,94,0.03); padding: 20px; border-bottom: 1px solid #1a2e1a; position: relative; z-index: 3; }
.bn-filter-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.bn-filter-row:last-child { margin-bottom: 0; }
.bn-filter-key { font-weight: 600; color: #4ade80; min-width: 50px; font-size: 13px; }
.bn-filter-pill { display: inline-block; padding: 5px 14px; background: rgba(255,255,255,0.04); color: #888; text-decoration: none; border-radius: 4px; font-size: 12px; transition: 0.2s; border: 1px solid #1a2e1a; }
.bn-filter-pill:hover { border-color: #22c55e; color: #4ade80; }
.bn-filter-pill.active { background: #22c55e; color: #fff; border-color: transparent; }

/* 分页 */
.bn-pager { display: flex; gap: 6px; margin-top: 20px; justify-content: center; flex-wrap: wrap; }
.bn-page-item { display: inline-block; padding: 8px 14px; background: rgba(255,255,255,0.04); color: #888; text-decoration: none; border-radius: 4px; font-size: 13px; transition: 0.2s; border: 1px solid #1a2e1a; }
.bn-page-item:hover { border-color: #22c55e; color: #4ade80; }
.bn-page-item.active { background: #22c55e; color: #fff; border-color: transparent; }

/* SEO文字区 */
.bn-seo { background: rgba(255,255,255,0.03); border: 1px solid #1a2e1a; padding: 24px; border-radius: 2px; margin-top: 20px; }
.bn-seo-title { font-size: 16px; font-weight: 700; color: #4ade80; margin-bottom: 12px; }
.bn-seo p { font-size: 13px; color: #555; line-height: 1.8; margin-bottom: 12px; }

/* 播放器 */
.bn-player-block { background: #0f1a0f; border: 1px solid #1a2e1a; border-radius: 2px; overflow: hidden; margin-bottom: 24px; }
.bn-player-frame { position: relative; padding-bottom: 56.25%; overflow: hidden; background: #050510; }
.bn-player-mask { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; flex-direction: column; }
.bn-player-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(0.3) saturate(0.5); }
.bn-player-shade { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); }
.bn-player-bigplay { position: relative; z-index: 10; background: rgba(34,197,94,0.3); border: 2px solid rgba(34,197,94,0.5); color: #4ade80; font-size: 36px; cursor: pointer; width: 72px; height: 72px; border-radius: 50%; transition: 0.2s; }
.bn-player-bigplay:hover { background: rgba(34,197,94,0.5); box-shadow: 0 0 30px rgba(34,197,94,0.4); }
.bn-player-info { position: relative; z-index: 10; text-align: center; color: #a3e635; margin-top: 12px; }
.bn-player-info h3 { font-size: 18px; margin-bottom: 6px; }
.bn-player-info p { font-size: 13px; color: #555; }
.bn-player-bar { background: rgba(34,197,94,0.04); padding: 12px 20px; display: flex; gap: 20px; font-size: 12px; color: #555; border-top: 1px solid #1a2e1a; }

/* 线路和选集 */
.bn-line-tabs { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.bn-line-tab { display: inline-block; padding: 8px 18px; background: rgba(255,255,255,0.04); color: #888; border-radius: 4px; font-size: 13px; cursor: pointer; transition: 0.2s; border: 1px solid #1a2e1a; font-weight: 500; }
.bn-line-tab.active { background: #22c55e; color: #fff; border-color: transparent; }
.bn-eps-section { margin-bottom: 24px; }
.bn-eps-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.bn-eps-title { font-size: 14px; font-weight: 600; color: #4ade80; }
.bn-eps-tools { display: flex; gap: 8px; }
.bn-eps-tool { padding: 6px 14px; background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); border-radius: 4px; cursor: pointer; font-size: 12px; color: #4ade80; transition: 0.2s; }
.bn-eps-tool:hover { background: rgba(34,197,94,0.2); }
.bn-eps-search { padding: 6px 14px; border: 1px solid rgba(34,197,94,0.2); border-radius: 4px; background: rgba(255,255,255,0.04); color: #a3e635; font-size: 12px; }
.bn-eps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); gap: 6px; }
.bn-ep-item { display: block; padding: 8px; background: rgba(255,255,255,0.04); color: #888; text-decoration: none; border-radius: 4px; text-align: center; font-size: 12px; transition: 0.2s; cursor: pointer; border: 1px solid rgba(34,197,94,0.08); }
.bn-ep-item:hover { border-color: #22c55e; color: #4ade80; }
.bn-ep-item.active { background: #22c55e; color: #fff; border-color: transparent; }

/* 按钮 */
.bn-btn-play { display: inline-block; padding: 10px 28px; border-radius: 6px; text-decoration: none; font-size: 14px; font-weight: 600; background: #22c55e; color: #fff; box-shadow: 0 0 16px rgba(34,197,94,0.3); transition: 0.25s; }
.bn-btn-play:hover { box-shadow: 0 0 24px rgba(34,197,94,0.5); color: #fff; }
.bn-btn-ghost { display: inline-block; padding: 10px 28px; border-radius: 6px; text-decoration: none; font-size: 14px; font-weight: 600; background: rgba(34,197,94,0.1); color: #4ade80; border: 1px solid rgba(34,197,94,0.3); transition: 0.25s; }
.bn-btn-ghost:hover { background: rgba(34,197,94,0.2); border-color: #22c55e; }

/* 详情页通用 */
.bn-chip { display: inline-block; padding: 5px 14px; background: rgba(34,197,94,0.1); color: #4ade80; border-radius: 4px; font-size: 12px; text-decoration: none; border: 1px solid rgba(34,197,94,0.2); }
.bn-chip-pri { background: #22c55e; color: #fff; border-color: transparent; text-decoration: none; display: inline-block; padding: 5px 14px; border-radius: 4px; font-size: 12px; }
.bn-show-meta { list-style: none; font-size: 13px; color: #777; }
.bn-show-meta li { margin-bottom: 8px; }
.bn-show-meta span { font-weight: 600; color: #4ade80; min-width: 60px; display: inline-block; }
.bn-show-meta a { color: #22c55e; text-decoration: none; }
.bn-show-meta a:hover { text-decoration: underline; }
.bn-status { color: #22c55e; font-weight: 600; }

/* 简介/标签/上下篇 */
.bn-block { background: #0f1a0f; border: 1px solid #1a2e1a; border-radius: 2px; padding: 28px; margin-bottom: 24px; position: relative; z-index: 3; }
.bn-block-title { font-size: 18px; font-weight: 700; color: #4ade80; margin-bottom: 16px; }
.bn-block-title::before { content: ""; display: inline-block; width: 4px; height: 18px; background: #22c55e; border-radius: 2px; margin-right: 10px; vertical-align: middle; }
.bn-body-text { font-size: 14px; color: #777; line-height: 1.8; margin-bottom: 20px; }
.bn-tags { margin-bottom: 20px; }
.bn-tags-label { font-weight: 600; color: #4ade80; }
.bn-tag-link { display: inline-block; margin: 4px 6px 4px 0; padding: 4px 14px; background: rgba(34,197,94,0.1); color: #4ade80; text-decoration: none; border-radius: 4px; font-size: 12px; border: 1px solid rgba(34,197,94,0.15); }
.bn-tag-link:hover { background: #22c55e; color: #fff; }
.bn-prev-next { display: flex; justify-content: space-between; padding-top: 16px; border-top: 1px solid #1a2e1a; font-size: 13px; color: #555; }
.bn-prev-next a { color: #22c55e; text-decoration: none; }
.bn-grid-related { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }

/* FAQ */
.bn-faq-item { margin-bottom: 16px; padding: 16px; background: rgba(34,197,94,0.04); border: 1px solid #1a2e1a; border-radius: 8px; }
.bn-faq-item:last-child { margin-bottom: 0; }
.bn-faq-q { font-size: 14px; font-weight: 600; color: #4ade80; margin-bottom: 8px; }
.bn-faq-a { font-size: 13px; color: #666; line-height: 1.6; }
.bn-faq-a p { margin: 0; }
.bn-faq-a a { color: #22c55e; text-decoration: none; }

/* 侧栏 */
.bn-sidebar { }
.bn-sb-card { background: #0f1a0f; border: 1px solid #1a2e1a; border-radius: 2px; padding: 20px; margin-bottom: 20px; }
.bn-sb-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.bn-sb-title { font-size: 14px; font-weight: 700; color: #a3e635; }
.bn-sb-tag { background: #22c55e; color: #fff; padding: 2px 10px; border-radius: 4px; font-size: 10px; font-weight: 600; }
.bn-sb-more { color: #22c55e; text-decoration: none; font-size: 12px; }
.bn-rank { list-style: none; }
.bn-rank-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid rgba(34,197,94,0.06); font-size: 12px; }
.bn-rank-item:last-child { border-bottom: none; }
.bn-rank-num { display: inline-flex; width: 22px; height: 22px; background: rgba(34,197,94,0.15); color: #4ade80; align-items: center; justify-content: center; border-radius: 4px; font-weight: 700; flex-shrink: 0; font-size: 11px; }
.bn-rank-item:nth-child(1) .bn-rank-num { background: #22c55e; color: #fff; }
.bn-rank-item:nth-child(2) .bn-rank-num { background: #4ade80; color: #fff; }
.bn-rank-item:nth-child(3) .bn-rank-num { background: #16a34a; color: #fff; }
.bn-rank-title { flex: 1; color: #a3e635; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bn-rank-title:hover { color: #4ade80; }
.bn-rank-heat { color: #444; font-size: 11px; }
.bn-sb-mini { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.bn-mini-card { display: block; text-decoration: none; color: inherit; }
.bn-mini-poster { position: relative; padding-bottom: 150%; overflow: hidden; background: #111; border-radius: 6px; border: 1px solid #1a2e1a; }
.bn-mini-poster img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.bn-mini-score { position: absolute; bottom: 4px; right: 4px; background: rgba(0,0,0,0.7); color: #4ade80; padding: 2px 6px; border-radius: 4px; font-size: 10px; font-weight: 700; }
.bn-mini-title { font-size: 12px; font-weight: 600; color: #a3e635; margin-top: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bn-mini-meta { font-size: 11px; color: #555; }
.bn-tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.bn-tag { display: inline-block; padding: 5px 14px; background: rgba(34,197,94,0.08); color: #888; text-decoration: none; border-radius: 4px; font-size: 12px; transition: 0.2s; border: 1px solid #1a2e1a; }
.bn-tag:hover { background: #22c55e; color: #fff; border-color: #22c55e; }
.bn-friend-list { list-style: none; }
.bn-friend-list li { margin-bottom: 8px; }
.bn-friend-list a { color: #22c55e; text-decoration: none; font-size: 12px; }
.bn-friend-list a:hover { text-decoration: underline; }

/* 底部 */
.bn-footer { background: rgba(10,15,10,0.95); border-top: 1px solid #1a2e1a; padding: 40px 20px; margin-top: 30px; position: relative; z-index: 3; }
.bn-footer-inner { max-width: 1200px; margin: 0 auto; }
.bn-footer-content { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #1a2e1a; }
.bn-footer-content p { font-size: 12px; color: #444; margin-bottom: 6px; }
.bn-footer-content a { color: #4ade80; text-decoration: none; }
.bn-footer-tip { color: #333; line-height: 1.6; font-size: 12px; }
.bn-footer-nav { text-align: center; }
.bn-footer-nav a { color: #22c55e; text-decoration: none; font-size: 12px; }

/* ============================================
   模板4: 僵尸网络 - 独特布局
   ============================================ */

/* 终端风格字体 */
.bn-body { font-family: "Courier New", "Fira Code", "Source Code Pro", monospace; }

/* 导航: 顶部极简 + 底部固定导航栏 */
.bn-header { position: relative; z-index: 100; background: rgba(10,15,10,0.95); border-bottom: 1px solid #1a2e1a; }
.bn-header-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 56px; }
.bn-logo { margin: 0; }
.bn-logo a { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #a3e635; }
.bn-logo img { height: 32px; width: auto; }
.bn-logo-text { font-size: 16px; font-weight: 700; color: #22c55e; text-shadow: 0 0 8px rgba(34,197,94,0.4); }
.bn-search { display: flex; align-items: center; }
.bn-search-input { width: 200px; padding: 8px 14px; border: 1px solid #1a2e1a; border-radius: 2px; font-size: 13px; background: rgba(0,0,0,0.3); color: #a3e635; font-family: inherit; transition: 0.2s; }
.bn-search-input:focus { outline: none; border-color: #22c55e; box-shadow: 0 0 10px rgba(34,197,94,0.2); }
.bn-search-input::placeholder { color: #3a5a3a; }
.bn-search-btn { background: #22c55e; border: none; cursor: pointer; color: #000; padding: 8px 12px; border-radius: 2px; }

/* 底部固定导航栏 */
.bn-bottomnav { position: fixed; bottom: 0; left: 0; right: 0; background: rgba(10,15,10,0.96); backdrop-filter: blur(10px); border-top: 1px solid #22c55e; z-index: 100; display: flex; justify-content: center; padding: 6px 10px; gap: 4px; overflow-x: auto; }
.bn-bnav-item { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 12px; text-decoration: none; color: #555; font-size: 10px; transition: 0.2s; border-radius: 4px; flex-shrink: 0; }
.bn-bnav-item:hover, .bn-bnav-active { color: #22c55e; background: rgba(34,197,94,0.08); }
.bn-bnav-icon { font-size: 18px; }

.bn-mobile-nav { display: none; }

/* 首页: 瀑布流 */
.bn-hero { background: radial-gradient(ellipse at 50% 50%, rgba(34,197,94,0.06) 0%, transparent 60%); padding: 50px 20px; text-align: center; border-bottom: 1px solid #1a2e1a; position: relative; z-index: 3; }
.bn-hero-inner { max-width: 1200px; margin: 0 auto; }
.bn-hero-title { font-size: 32px; font-weight: 900; color: #22c55e; text-shadow: 0 0 16px rgba(34,197,94,0.3); margin-bottom: 12px; }
.bn-hero-desc { font-size: 14px; color: rgba(163,230,53,0.4); }

.bn-fullwidth { max-width: 1200px; margin: 0 auto; padding: 30px 20px 80px; position: relative; z-index: 3; }

/* 瀑布流布局 */
.bn-masonry { columns: 4; column-gap: 16px; }
.bn-masonry .bn-card { break-inside: avoid; margin-bottom: 16px; display: inline-block; width: 100%; }
.bn-masonry .bn-card-poster { padding-bottom: 0; position: relative; }
.bn-masonry .bn-card-poster img { position: relative; width: 100%; height: auto; }

/* 终端风格卡片 */
.bn-card { border: 1px solid #1a2e1a; border-radius: 2px; box-shadow: 0 0 6px rgba(34,197,94,0.08); }
.bn-card:hover { border-color: #22c55e; box-shadow: 0 0 16px rgba(34,197,94,0.2); }
.bn-card-title { color: #22c55e; font-family: inherit; }
.bn-card-badge { background: #22c55e; color: #000; border-radius: 2px; }

/* 详情页: 单栏居中800px */
.bn-single-col { max-width: 800px; margin: 0 auto; padding: 30px 20px 80px; position: relative; z-index: 3; }
.bn-show-info-vertical { text-align: center; margin-bottom: 24px; }
.bn-show-poster-center { display: inline-block; width: 180px; position: relative; margin-bottom: 16px; }
.bn-show-poster-center img { width: 100%; border: 1px solid #22c55e; border-radius: 2px; }
.bn-show-mark { position: absolute; top: 8px; right: 8px; background: #22c55e; color: #000; padding: 4px 12px; border-radius: 2px; font-size: 11px; font-weight: 600; }
.bn-show-title { font-size: 26px; font-weight: 800; color: #22c55e; text-shadow: 0 0 12px rgba(34,197,94,0.3); margin-bottom: 12px; }
.bn-show-score-center { font-size: 24px; color: #4ade80; font-weight: 800; margin-bottom: 12px; }
.bn-show-chips-center { display: flex; justify-content: center; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.bn-show-actions-center { display: flex; justify-content: center; gap: 12px; margin-top: 20px; }

/* 底部导航占位 */
.bn-footer { margin-bottom: 60px; }

/* 响应式 */
@media (max-width: 1100px) {
    .bn-masonry { columns: 3; }
    .bn-grid-related { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .bn-masonry { columns: 2; }
    .bn-hero-title { font-size: 24px; }
    .bn-show-poster-center { width: 140px; }
    .bn-show-title { font-size: 22px; }
    .bn-show-actions-center { flex-direction: column; align-items: center; }
    .bn-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .bn-grid-related { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .bn-masonry { columns: 2; column-gap: 8px; }
    .bn-hero-title { font-size: 20px; }
    .bn-show-title { font-size: 18px; }
    .bn-eps-grid { grid-template-columns: repeat(4, 1fr); }
    .bn-feature-grid { grid-template-columns: 1fr; }
    .bn-grid-related { grid-template-columns: repeat(2, 1fr); }
}

/* 列表页双栏布局 */
.bn-layout-list { max-width: 1200px; margin: 0 auto; padding: 30px 20px 80px; display: grid; grid-template-columns: 1fr 260px; gap: 24px; position: relative; z-index: 3; }
@media (max-width: 1100px) { .bn-layout-list { grid-template-columns: 1fr; } }
