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8px;font-size:1.05rem;font-weight:700;color:var(--text)}.comment-login-title .pb-icon{width:18px;height:18px;color:var(--primary)}.comment-login-sub{margin:0 0 20px;font-size:.86rem;color:var(--text-muted)}.comment-login-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}.comment-login-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:128px;height:42px;padding:0 26px;border:0;border-radius:999px;font-size:.95rem;font-weight:600;color:#fff;transition:var(--transition)}.comment-login-btn .pb-icon{width:16px;height:16px}.comment-login-btn.is-login{background:var(--primary);box-shadow:0 4px 14px #2563eb47}.comment-login-btn.is-login:hover{background:var(--primary-hover);transform:translateY(-1px)}.comment-login-btn.is-reg{background:linear-gradient(135deg,#f59e0b,#f97316);box-shadow:0 4px 14px 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16px}.posts-list.pb-lay-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;align-items:stretch}.posts-list.pb-lay-grid .post-card{flex-direction:column}.posts-list.pb-lay-grid .post-thumbnail{width:100%;height:auto;min-height:0;aspect-ratio:1 / 1}.posts-list.pb-lay-grid .post-content{padding:10px 12px 12px}.posts-list.pb-lay-grid .post-title{font-size:1rem}.posts-list.pb-lay-grid .post-title a{-webkit-line-clamp:2}.posts-list.pb-lay-grid .post-excerpt,.posts-list.pb-lay-grid .post-tags,.posts-list.pb-lay-grid .post-footer{display:none}.posts-list.pb-lay-single{display:flex;flex-direction:column;gap:24px;max-width:780px;margin:0 auto}.posts-list.pb-lay-single .post-card{flex-direction:column}.posts-list.pb-lay-single .post-thumbnail{width:100%;height:auto;min-height:0;aspect-ratio:2 / 1}.posts-list.pb-lay-single .post-content{padding:20px 24px 22px}.posts-list.pb-lay-single .post-title{font-size:1.5rem}.posts-list.pb-lay-single .post-excerpt{-webkit-line-clamp:3}.posts-list.pb-lay-bigtitle{display:flex;flex-direction:column;gap:0}.posts-list.pb-lay-bigtitle .post-card{flex-direction:row;align-items:center;gap:0;padding:18px 2px;background:transparent;box-shadow:none;border-radius:0;border-bottom:1px solid var(--border)}.posts-list.pb-lay-bigtitle .post-card:hover{box-shadow:none;transform:none;background:var(--bg)}.posts-list.pb-lay-bigtitle .post-thumbnail{width:96px;height:96px;min-height:0;flex:none;border-radius:12px}.posts-list.pb-lay-bigtitle .post-content{padding:0 0 0 18px}.posts-list.pb-lay-bigtitle .post-header{margin-bottom:6px}.posts-list.pb-lay-bigtitle .post-title{font-size:1.55rem;font-weight:800;line-height:1.32;letter-spacing:-.2px}.posts-list.pb-lay-bigtitle .post-excerpt{-webkit-line-clamp:1;margin-bottom:8px}.posts-list.pb-lay-bigtitle .post-tags{display:none}.posts-list.pb-lay-bigtitle .post-footer{border-top:none;padding-top:4px}.posts-list.pb-lay-masonry{display:block;columns:3;column-gap:14px}.posts-list.pb-lay-masonry .post-card{display:block;break-inside:avoid;margin:0 0 14px}.posts-list.pb-lay-masonry .post-thumbnail{width:100%;height:auto;min-height:0}.posts-list.pb-lay-masonry .post-thumbnail img{height:auto;max-height:420px}.posts-list.pb-lay-masonry .post-content{padding:14px 16px 16px}.posts-list.pb-lay-asym{display:grid;grid-template-columns:2fr 1fr;gap:14px;align-items:stretch}.posts-list.pb-lay-asym .post-card{flex-direction:column}.posts-list.pb-lay-asym .post-thumbnail{width:100%;height:auto;min-height:0;aspect-ratio:4 / 3}.posts-list.pb-lay-asym .post-card:nth-child(3n+1){grid-column:1 / -1;flex-direction:row}.posts-list.pb-lay-asym .post-card:nth-child(3n+1) .post-thumbnail{width:54%;aspect-ratio:16 / 9;align-self:stretch}.posts-list.pb-lay-asym .post-card:nth-child(3n+1) .post-content{padding:20px 24px}.posts-list.pb-lay-asym .post-card:nth-child(3n+1) .post-title{font-size:1.45rem}.posts-list.pb-lay-scroll{display:flex;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;gap:14px;padding:2px 2px 12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:thin;overscroll-behavior-x:contain}.posts-list.pb-lay-scroll .post-card{flex-grow:0;flex-shrink:0;flex-basis:300px;width:300px;min-width:300px;flex-direction:column;scroll-snap-align:start}.posts-list.pb-lay-scroll .post-thumbnail{width:100%;height:auto;min-height:0;aspect-ratio:4 / 3}.posts-list.pb-lay-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:stretch}.posts-list.pb-lay-gallery .post-card{flex-direction:column;position:relative;min-height:220px}.posts-list.pb-lay-gallery .post-thumbnail{position:absolute;inset:0;width:100%;height:100%;min-height:0}.posts-list.pb-lay-gallery .post-content{position:relative;z-index:2;margin-top:auto;padding:44px 16px 14px;background:linear-gradient(to bottom,#0000,#0000008c 55%,#000000c7)}.posts-list.pb-lay-gallery .post-title a{color:#fff;-webkit-line-clamp:2}.posts-list.pb-lay-gallery .post-title a:hover{color:#fff;opacity:.85}.posts-list.pb-lay-gallery .post-excerpt,.posts-list.pb-lay-gallery .post-tags{display:none}.posts-list.pb-lay-gallery .post-footer{border-top:none;padding-top:6px}.posts-list.pb-lay-gallery .post-meta{color:#ffffffdb}.posts-list.pb-lay-gallery .meta-item a{color:#ffffffeb}.posts-list.pb-lay-gallery .post-category{z-index:3}.pb-sort-strip{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 14px;padding:10px 12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius)}.pb-sort-pill{display:inline-flex;align-items:center;gap:5px;padding:5px 13px;border-radius:var(--radius-pill);background:var(--soft);border:1px solid transparent;font-size:.82rem;line-height:1.6;color:var(--text-muted);transition:var(--transition)}.pb-sort-pill:hover{background:var(--primary-light);color:var(--primary)}.pb-sort-pill.is-active{background:var(--primary);border-color:var(--primary);color:#fff}.pb-sort-pill.is-active .pb-sort-num{background:#ffffff3d;color:#fff}.pb-sort-num{min-width:18px;padding:0 5px;border-radius:999px;text-align:center;background:var(--bg);color:var(--text-light);font-size:.68rem;line-height:1.7}.posts-list.pb-lay-xy{display:flex;flex-direction:column;gap:0}.posts-list.pb-lay-xy .post-card{flex-direction:row;align-items:center;gap:14px;padding:14px 0;background:none;box-shadow:none;border-radius:0;overflow:visible;border-bottom:1px dashed var(--border)}.posts-list.pb-lay-xy .post-card:last-child{border-bottom:0}.posts-list.pb-lay-xy .post-card:hover{box-shadow:none;transform:none}.posts-list.pb-lay-xy .post-thumbnail{width:168px;height:108px;min-height:0;margin:0;border-radius:8px;overflow:hidden}.posts-list.pb-lay-xy .post-content{flex:1;min-width:0;padding:0}.posts-list.pb-lay-xy .post-title{margin-bottom:6px;font-size:1.02rem;font-weight:700;line-height:1.5}.posts-list.pb-lay-xy .post-excerpt{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;font-size:.84rem;color:var(--text-muted)}.posts-list.pb-lay-xy .post-tags{display:none}.posts-list.pb-lay-xy .post-footer{border-top:0;padding-top:0}.posts-list.pb-lay-xy .post-meta{font-size:.76rem}@media(max-width:768px){.pb-sort-strip{flex-wrap:nowrap;overflow-x:auto;gap:6px;padding:8px 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.pb-sort-strip::-webkit-scrollbar{display:none}.pb-sort-pill{flex:none;padding:4px 11px;font-size:.78rem}.posts-list.pb-lay-xy .post-card{gap:10px;padding:12px 0}.posts-list.pb-lay-xy .post-thumbnail{width:112px;height:78px;border-radius:7px}.posts-list.pb-lay-xy .post-title{font-size:.94rem}.posts-list.pb-lay-xy .post-excerpt{-webkit-line-clamp:2;font-size:.78rem}}@media(max-width:1200px){.posts-list.pb-lay-card,.posts-list.pb-lay-grid,.posts-list.pb-lay-gallery,.posts-list.pb-lay-asym{grid-template-columns:repeat(2,minmax(0,1fr))}.posts-list.pb-lay-columns,.posts-list.pb-lay-masonry{columns:2}}@media(min-width:1400px){.posts-list.pb-lay-grid,.posts-list.pb-lay-gallery{grid-template-columns:repeat(4,minmax(0,1fr))}.posts-list.pb-lay-masonry{columns:4}}@media(max-width:768px){.posts-list.pb-lay-card{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.posts-list.pb-lay-card .post-content{padding:10px 12px 12px}.posts-list.pb-lay-card .post-title{font-size:.98rem}.posts-list.pb-lay-card .post-excerpt{font-size:.82rem;margin-bottom:8px}.posts-list.pb-lay-card .post-tags,.posts-list.pb-lay-card .post-meta{display:none}.posts-list.pb-lay-fpattern{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.posts-list.pb-lay-fpattern .post-card:first-child{flex-direction:column}.posts-list.pb-lay-fpattern .post-card:first-child .post-thumbnail{width:100%}.posts-list.pb-lay-fpattern .post-card:first-child .post-content{padding:10px 12px 12px}.posts-list.pb-lay-fpattern .post-card:first-child .post-title{font-size:1.02rem}.posts-list.pb-lay-fpattern .post-card:first-child .post-excerpt{-webkit-line-clamp:2;font-size:.82rem}.posts-list.pb-lay-columns,.posts-list.pb-lay-masonry{columns:2;column-gap:10px}.posts-list.pb-lay-columns .post-card,.posts-list.pb-lay-masonry .post-card{margin-bottom:10px}.posts-list.pb-lay-columns .post-content,.posts-list.pb-lay-masonry .post-content{padding:10px 12px 12px}.posts-list.pb-lay-masonry .post-thumbnail img{max-height:260px}.posts-list.pb-lay-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.posts-list.pb-lay-grid .post-title{font-size:.92rem}.posts-list.pb-lay-single{max-width:none;gap:16px}.posts-list.pb-lay-single .post-thumbnail{aspect-ratio:16 / 9}.posts-list.pb-lay-single .post-content{padding:14px 16px 16px}.posts-list.pb-lay-single .post-title{font-size:1.2rem}.posts-list.pb-lay-bigtitle .post-card{padding:14px 2px}.posts-list.pb-lay-bigtitle .post-thumbnail{width:72px;height:72px}.posts-list.pb-lay-bigtitle .post-content{padding-left:12px}.posts-list.pb-lay-bigtitle .post-title{font-size:1.15rem;font-weight:700}.posts-list.pb-lay-bigtitle .post-meta{gap:10px}.posts-list.pb-lay-asym{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.posts-list.pb-lay-asym .post-card:nth-child(3n+1){flex-direction:column}.posts-list.pb-lay-asym .post-card:nth-child(3n+1) .post-thumbnail{width:100%;aspect-ratio:16 / 9}.posts-list.pb-lay-asym .post-card:nth-child(3n+1) .post-content{padding:10px 12px 12px}.posts-list.pb-lay-asym .post-card:nth-child(3n+1) .post-title{font-size:1.02rem}.posts-list.pb-lay-scroll{gap:10px}.posts-list.pb-lay-scroll .post-card{flex-basis:78vw;width:78vw;min-width:78vw}.posts-list.pb-lay-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.posts-list.pb-lay-gallery .post-card{min-height:170px}.posts-list.pb-lay-gallery .post-content{padding:30px 12px 12px}.posts-list.pb-lay-gallery .post-title{font-size:.98rem}}
/* 29. 文章图片弹窗查看器（v2.0.4）：点击文章正文图片弹出大图，
     键盘左右切换上下张，底部缩略图条可跳转任意张，Esc 关闭。 */

/* 文章正文图片鼠标提示可点击 */
.post-content-single img { cursor: zoom-in; }

/* 遮罩层 */
.pb-lightbox {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; flex-direction: column;
    background: rgba(0, 0, 0, .92);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0; visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
}
.pb-lightbox.is-open { opacity: 1; visibility: visible; }

/* 顶部工具栏 */
.pb-lb-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; flex: none;
    color: #fff; font-size: .85rem;
}
.pb-lb-count { font-variant-numeric: tabular-nums; opacity: .8; }
.pb-lb-close {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border: 0; border-radius: 50%;
    background: rgba(255, 255, 255, .1); color: #fff; font-size: 1.4rem;
    cursor: pointer; transition: background .2s ease;
}
.pb-lb-close:hover { background: rgba(255, 255, 255, .25); }

/* 主图区域 */
.pb-lb-stage {
    flex: 1; min-height: 0; position: relative;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.pb-lb-img {
    max-width: 90%; max-height: 100%;
    object-fit: contain; border-radius: 4px;
    opacity: 0; transform: scale(.96);
    transition: opacity .25s ease, transform .25s ease;
    -webkit-user-select: none; user-select: none;
    -webkit-user-drag: none;
}
.pb-lb-img.is-active { opacity: 1; transform: scale(1); }

/* 左右切换按钮 */
.pb-lb-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 48px; height: 48px; border: 0; border-radius: 50%;
    background: rgba(255, 255, 255, .12); color: #fff;
    font-size: 1.3rem; cursor: pointer; z-index: 2;
    display: flex; align-items: center; justify-content: center;
    transition: background .2s ease;
}
.pb-lb-nav:hover { background: rgba(255, 255, 255, .3); }
.pb-lb-nav:disabled { opacity: .3; cursor: default; }
.pb-lb-nav.prev { left: 16px; }
.pb-lb-nav.next { right: 16px; }

/* 底部缩略图条 */
.pb-lb-thumbs {
    flex: none; display: flex; gap: 8px;
    padding: 12px 20px 16px;
    overflow-x: auto; overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, .2) transparent;
    justify-content: center;
}
.pb-lb-thumbs::-webkit-scrollbar { height: 4px; }
.pb-lb-thumbs::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .2); border-radius: 2px; }

.pb-lb-thumb {
    flex: none; width: 60px; height: 60px;
    border-radius: 6px; overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer; opacity: .5;
    transition: opacity .2s ease, border-color .2s ease;
    background: rgba(255, 255, 255, .05);
}
.pb-lb-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pb-lb-thumb:hover { opacity: .8; }
.pb-lb-thumb.is-active { opacity: 1; border-color: var(--primary, #333333); }

/* 移动端适配 */
@media (max-width: 768px) {
    .pb-lb-topbar { padding: 10px 14px; }
    .pb-lb-close { width: 36px; height: 36px; font-size: 1.2rem; }
    .pb-lb-nav { width: 40px; height: 40px; font-size: 1.1rem; }
    .pb-lb-nav.prev { left: 8px; }
    .pb-lb-nav.next { right: 8px; }
    .pb-lb-img { max-width: 95%; }
    .pb-lb-thumbs { padding: 8px 12px 12px; gap: 6px; }
    .pb-lb-thumb { width: 44px; height: 44px; }
}

/* 减弱动态效果 */
@media (prefers-reduced-motion: reduce) {
    .pb-lightbox,
    .pb-lb-img { transition: none; }
}
.pb-sort-pill-img{width:20px;height:20px;border-radius:50%;object-fit:cover;flex:none}.pb-sort-pill.is-active .pb-sort-pill-img{opacity:.92}.dropdown-menu .pb-nav-sort-img{display:inline-block;width:18px;height:18px;border-radius:4px;object-fit:cover;margin-right:7px;vertical-align:middle}.widget-sort .pb-widget-sort-img{display:inline-block;width:18px;height:18px;border-radius:4px;object-fit:cover;margin-right:7px;vertical-align:middle}.widget-sort .widget-list.children .pb-widget-sort-img{width:15px;height:15px;margin-right:5px}@media(max-width:768px){.pb-sort-pill-img{width:16px;height:16px}.dropdown-menu .pb-nav-sort-img{width:16px;height:16px;margin-right:5px}.widget-sort .pb-widget-sort-img{width:16px;height:16px;margin-right:5px}}
.pb-fl-form{max-width:640px;margin:24px 0}.pb-fl-row{margin-bottom:18px}.pb-fl-label{display:block;margin-bottom:6px;font-size:.9rem;font-weight:600;color:var(--text)}.pb-fl-req{color:var(--primary)}.pb-fl-input,.pb-fl-textarea,.pb-fl-select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);color:var(--text);font-size:.92rem;line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease}.pb-fl-input:focus,.pb-fl-textarea:focus,.pb-fl-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.pb-fl-textarea{resize:vertical;min-height:72px}.pb-fl-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pb-fl-tips{display:flex;align-items:center;gap:8px;margin-bottom:18px;padding:10px 14px;background:var(--soft);border-radius:var(--radius);font-size:.82rem;color:var(--text-muted)}.pb-fl-tips .pb-icon{flex:none;opacity:.7}.pb-fl-submit{margin-top:4px}.pb-fl-alert{display:flex;align-items:flex-start;gap:10px;margin-bottom:20px;padding:14px 18px;border-radius:var(--radius);font-size:.9rem;line-height:1.6}.pb-fl-alert .pb-icon{flex:none;margin-top:1px}.pb-fl-alert.is-success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#16a34a}.pb-fl-alert.is-error{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#dc2626}.pb-fl-alert code{display:inline-block;margin-top:6px;padding:4px 10px;background:var(--bg);border-radius:4px;font-size:.82rem;word-break:break-all}:root[data-theme="dark"] .pb-fl-alert.is-success{color:#4ade80}:root[data-theme="dark"] .pb-fl-alert.is-error{color:#f87171}@media(max-width:768px){.pb-fl-form{margin:16px 0}.pb-fl-grid{grid-template-columns:1fr;gap:14px}.pb-fl-input,.pb-fl-textarea,.pb-fl-select{padding:9px 12px;font-size:.88rem}.pb-fl-alert{padding:12px 14px;font-size:.85rem}}