/* back_to_top */
.back-to-top-button{position:fixed;right:max(20px,calc((100vw - 1100px)/2 - 48px));bottom:calc(20px + env(safe-area-inset-bottom));z-index:30;display:grid;width:36px;min-width:36px;height:36px;min-height:36px;padding:0;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--panel);color:var(--text-muted);box-shadow:0 4px 14px var(--shadow-medium);transition:background var(--transition-normal),border-color var(--transition-normal),color var(--transition-normal),transform var(--transition-normal)}.back-to-top-button:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.back-to-top-button:focus-visible{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus-ring)}.back-to-top-button:active{transform:translateY(1px)}.back-to-top-button[hidden]{display:none}body:has([data-back-to-top-layout][data-top-fixed="1"]) .top{position:sticky;top:0;z-index:35;box-shadow:0 3px 10px var(--shadow-base)}body:has([data-back-to-top-layout][data-top-fixed="1"]) .forum-more-region{position:sticky;top:var(--btt-top-h,48px);z-index:34}@media(min-width:721px){body:has([data-back-to-top-layout][data-sidebar-fixed="1"]) .sidebar{position:sticky;top:calc(var(--btt-top-h,0px) + 12px)}html.back-to-top-sidebar-tall body:has([data-back-to-top-layout][data-sidebar-fixed="1"]) .sidebar{position:static;top:auto}}@media(max-width:720px){.back-to-top-button{right:12px;bottom:calc(12px + env(safe-area-inset-bottom))}}
/* image_lightbox */
.image-lightbox-clickable{cursor:zoom-in}.image-lightbox-overlay{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px;background:var(--backdrop);cursor:zoom-out}.image-lightbox-overlay[hidden]{display:none}.image-lightbox-dialog{position:relative;display:grid;grid-template-rows:minmax(0,1fr) auto;width:min(96vw,1400px);height:92vh;cursor:default}.image-lightbox-stage{position:relative;min-height:0;overflow:hidden;border-radius:8px;contain:paint}.image-lightbox-image{position:absolute;top:50%;left:50%;display:block;max-width:100%;max-height:100%;border-radius:8px;background:var(--panel);box-shadow:0 12px 36px var(--shadow-medium);object-fit:contain;transform:translate3d(-50%,-50%,0) translate3d(var(--image-lightbox-pan-x,0px),var(--image-lightbox-pan-y,0px),0) scale(var(--image-lightbox-scale,1));transform-origin:center;transition:transform .12s ease-out;will-change:transform;touch-action:none;user-select:none}.image-lightbox-image.image-lightbox-zoomed{cursor:grab}.image-lightbox-image.image-lightbox-dragging{cursor:grabbing;transition:none}.image-lightbox-close,.image-lightbox-nav,.image-lightbox-reset{position:absolute;z-index:1;display:grid;padding:0;place-items:center;border:1px solid var(--inverse-border);border-radius:50%;background:var(--inverse);color:var(--inverse-text);line-height:1;cursor:pointer}.image-lightbox-close{top:8px;right:8px;width:34px;min-width:34px;height:34px;min-height:34px;font-size:var(--font-size-xl)}.image-lightbox-reset{top:8px;right:50px;width:34px;min-width:34px;height:34px;min-height:34px;font-size:20px}.image-lightbox-nav{top:50%;width:44px;min-width:44px;height:44px;min-height:44px;font-size:32px;transform:translateY(-50%)}.image-lightbox-nav[hidden],.image-lightbox-reset[hidden]{display:none}.image-lightbox-prev{left:12px}.image-lightbox-next{right:12px}.image-lightbox-caption{max-width:min(90vw,900px);justify-self:center;margin:10px 0 0;padding:6px 10px;border-radius:6px;background:var(--inverse);color:var(--inverse-text);font-size:var(--font-size-sm);text-align:center;overflow-wrap:anywhere;pointer-events:none}@media(max-width:720px){.image-lightbox-overlay{padding:10px}.image-lightbox-dialog{width:96vw;height:88vh}.image-lightbox-prev{left:6px}.image-lightbox-next{right:6px}.image-lightbox-caption{margin-top:6px}.image-lightbox-reset{right:48px}}
/* left_nav */
/* 左导航容器：桌面端作为 .forum-layout 的第一列，窄屏下保持顶部条的横向排列。 */
.left-nav-shell{min-width:0}

/* 搜索框：从顶部栏取出来，放到主内容上方，默认占满一行。 */
.left-nav-search{margin:0 0 10px}
.left-nav-search .search-page-link{width:100%;height:36px}

@media (min-width:721px){
/* 核心原本是「主内容 + 右侧边栏」两列，这里在最前面再补一列放导航。 */
.forum-layout.left-nav-layout.forum-layout-has-sidebar{display:grid;grid-template-columns:var(--left-nav-width,200px) minmax(0,1fr) 230px;align-items:start}

/* 对齐右侧边栏：整列纵向堆叠；导航比窗口高时吸顶并单独滚动。 */
.left-nav-shell{display:grid;gap:10px;align-content:start;min-width:0}
.left-nav-shell.left-nav-shell-sticky{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow-y:auto;overscroll-behavior:contain}

/* 顶部条搬进左栏后不再需要通栏底色和下边框，改成和右侧边栏一致的卡片。 */
.left-nav-shell>.top{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:8px}

/* 顶部条原本是横向排列，进入左栏后逐项纵向铺开。 */
.left-nav-shell .bar{display:grid;gap:10px;max-width:none;height:auto;padding:0;align-items:stretch}
.left-nav-shell .bar-left,
.left-nav-shell .bar-right,
.left-nav-shell .forum-nav,
.left-nav-shell .bar-left-actions,
.left-nav-shell .bar-action-group{display:grid;grid-template-columns:minmax(0,1fr);gap:2px;align-content:start;align-items:stretch;min-width:0}

/* 左栏窄，站点名与版块名换行显示，不截断。 */
.left-nav-shell .forum-nav{overflow:visible}
.left-nav-shell .brand{font-size:var(--font-size-md);white-space:normal;overflow-wrap:anywhere;align-items:flex-start}
.left-nav-shell .forum-link{max-width:none;height:auto;min-height:34px;padding:7px 10px;white-space:normal;overflow-wrap:anywhere;line-height:1.35}

/* 「全部版块」浮层作为左栏里的第二张卡片展开。 */
.left-nav-shell>.forum-more-region{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:6px}
.left-nav-shell .forum-more-panel{max-width:none;padding:0;gap:4px}
.left-nav-shell .forum-more-link{max-width:none;justify-content:flex-start}
}

@media (max-width:720px){
/* 窄屏保留核心顶部条的横向排列，只是整块作为一张卡片出现在内容区上方。 */
.left-nav-shell{display:grid;gap:8px;margin:0 0 10px}
.left-nav-shell>.top{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:6px}
.left-nav-search{margin:0 0 8px}
.left-nav-search .search-page-link{display:flex;width:100%;height:32px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}
.left-nav-search .search-page-fake-input{display:block}
.left-nav-search .search-page-fake-icon{width:30px;flex-basis:30px}
}
/* like_coin */
.like-coin-form{display:inline-flex}.like-coin-form .like-coin-action.active{color:var(--text-muted);opacity:.55}.like-coin-form .like-coin-action.active:hover{color:var(--text-muted);opacity:.55}.like-coin-form .like-coin-action[data-like-coin-self="1"]{cursor:default}.like-coin-icon{width:14px;height:14px;flex:0 0 14px}.like-coin-icon path{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round}.like-coin-action.active .like-coin-icon path{fill:currentColor}.like-coin-gate-unlocked-note{display:flex;align-items:center;gap:6px;margin:0 0 8px;color:var(--text-subtle);font-size:var(--font-size-sm);line-height:1.45}.like-coin-gate-unlocked-note:before{content:"点赞投币";padding:2px 5px;border:1px solid var(--line-soft);border-radius:3px;background:var(--bg);color:var(--brand);font-size:10px;font-weight:700;line-height:1.25}.like-coin-gate-locked{display:flex;align-items:center;justify-content:center;gap:6px;padding:18px 14px;margin:0;border:1px dashed var(--line-soft);border-radius:var(--radius);background:var(--bg);color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.5;text-align:center}.like-coin-dialog{display:grid;gap:14px}.like-coin-dialog p{margin:0;color:var(--text);font-size:var(--font-size-lg);line-height:1.65}.like-coin-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.like-coin-option{display:flex;align-items:center;gap:8px;min-width:0;padding:10px 12px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:var(--font-size-md)}.like-coin-option input{width:18px;height:18px;flex:0 0 18px;margin:0;accent-color:var(--brand)}.like-coin-option span{min-width:0;overflow-wrap:anywhere}.like-coin-dialog-actions{display:flex;justify-content:flex-end;gap:8px}.like-coin-dialog-actions button{margin:0}.like-coin-likes-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;min-width:0;margin:10px 0}.like-coin-likes-head h1{margin:0;font-size:var(--font-size-lg);font-weight:700;letter-spacing:-.01em;color:var(--text)}.like-coin-likes-total{color:var(--text-subtle);font-size:var(--font-size-sm);font-weight:400}@media(max-width:560px){.like-coin-options{grid-template-columns:1fr}}.like-coin-note-field{display:grid;gap:6px}.like-coin-note-field span{color:var(--text-muted);font-size:var(--font-size-sm)}.like-coin-note-field input,.like-coin-note-field select{width:100%;box-sizing:border-box;margin:0;padding:8px 10px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font:inherit;font-size:var(--font-size-md);line-height:1.5}.like-coin-note-field input:focus,.like-coin-note-field select:focus{border-color:var(--brand);outline:none}.like-coin-reviews{margin:10px 0;padding:8px 16px;border-radius:var(--radius); background:var(--brand-soft); display:grid;gap:6px}.like-coin-reviews-head{display:flex;align-items:center;gap:6px;color:var(--text-subtle);font-size:var(--font-size-xs);font-weight:600}.like-coin-reviews-count{min-width:16px;padding:0 5px;border-radius:999px;background:var(--line-soft);color:var(--text-muted);font-size:var(--font-size-xxs);font-weight:700;line-height:16px;text-align:center}.like-coin-review-list{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}.like-coin-review{display:flex;align-items:flex-start;gap:8px;min-width:0}.like-coin-review .avatar-profile-link{flex:0 0 24px;width:24px;height:24px;border-radius:50%;overflow:hidden}.like-coin-review .avatar-img{width:24px;height:24px;max-width:none;object-fit:cover;border-radius:50%}.like-coin-review-main{display:grid;gap:2px;min-width:0}.like-coin-review-head{display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-width:0}.like-coin-review-name{color:var(--text);font-size:var(--font-size-xs);font-weight:600;text-decoration:none;overflow-wrap:anywhere}.like-coin-review-name:hover{color:var(--brand)}.like-coin-review-time{margin-left:auto;color:var(--text-subtle);font-size:var(--font-size-xxs)}.like-coin-review-score{display:inline-flex;align-items:center;gap:2px;padding:0 6px;border:1px solid var(--line-soft);border-radius:999px;background:var(--bg);color:var(--brand);font-size:var(--font-size-xxs);font-weight:700;line-height:1.5}.like-coin-review-score .like-coin-icon{width:10px;height:10px;flex:0 0 10px}.like-coin-review-score .like-coin-icon path{fill:currentColor}.like-coin-review-score.is-penalty{color:var(--danger)}.like-coin-review-note{min-width:0;color:var(--text);font-size:var(--font-size-sm);line-height:1.5;overflow-wrap:anywhere}.like-coin-review.is-self .like-coin-review-name{color:var(--brand)}.like-coin-review-self{padding:0 5px;border:1px solid var(--line-soft);border-radius:999px;background:var(--bg);color:var(--brand);font-size:var(--font-size-xxs);font-weight:700;line-height:1.4}.like-coin-admin+.like-coin-admin{margin-top:14px}.like-coin-admin .plugin-panel-body{display:grid;gap:12px}.like-coin-admin-filter{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.like-coin-admin-filter input,.like-coin-admin-filter select{min-height:34px;max-width:220px;padding:5px 10px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font:inherit;font-size:var(--font-size-sm);transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}.like-coin-admin-filter input:focus-visible,.like-coin-admin-filter select:focus-visible{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none}.like-coin-admin-inline-form{display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap;padding:12px;border:1px dashed var(--line-soft);border-radius:var(--radius);background:var(--bg)}.like-coin-admin-field{display:grid;gap:5px;color:var(--text-muted);font-size:var(--font-size-sm)}.like-coin-admin-field input{min-height:34px;padding:5px 10px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font:inherit;font-size:var(--font-size-md);transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}.like-coin-admin-field input:focus-visible{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none}.like-coin-admin-field small{color:var(--text-subtle);font-size:var(--font-size-xxs)}.like-coin-admin-form-actions{flex:0 0 100%}.like-coin-admin-wrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--radius)}table.like-coin-admin-table{width:100%;min-width:680px;border-collapse:collapse;font-size:var(--font-size-sm)}.like-coin-admin-table th{padding:9px 12px;background:var(--bg);color:var(--text-subtle);font-size:var(--font-size-xxs);font-weight:700;letter-spacing:.05em;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line-soft)}.like-coin-admin-table td{padding:10px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}.like-coin-admin-table tbody tr{transition:background var(--transition-normal)}.like-coin-admin-table tbody tr:hover{background:color-mix(in srgb,var(--brand) 4%,transparent)}.like-coin-admin-table tbody tr:last-child td{border-bottom:0}.like-coin-admin-check{width:52px;text-align:center}.like-coin-admin-user{display:flex;align-items:center;gap:7px;min-width:0;white-space:nowrap}.like-coin-admin-user .avatar-profile-link{flex:0 0 22px;width:22px;height:22px;border-radius:50%;overflow:hidden;display:inline-block}.like-coin-admin-user .avatar-img{width:22px;height:22px;max-width:none;object-fit:cover;border-radius:50%}.like-coin-admin-user a{color:var(--text);font-weight:600;text-decoration:none}.like-coin-admin-user a:hover{color:var(--brand)}.like-coin-admin-deleted{color:var(--text-disabled)}.like-coin-admin-time{white-space:nowrap}.like-coin-admin-time span{display:block;color:var(--text-muted);font-size:var(--font-size-xs);font-variant-numeric:tabular-nums}.like-coin-admin-time small{display:block;color:var(--text-subtle);font-size:var(--font-size-xxs)}.like-coin-admin-badge,.like-coin-admin-state{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:var(--font-size-xxs);font-weight:700;line-height:1.6;white-space:nowrap;background:var(--line-soft);color:var(--text-muted)}.like-coin-admin-badge.is-coin{background:var(--warning-soft);color:var(--warning)}.like-coin-admin-badge.is-penalty{background:var(--danger-soft);color:var(--danger)}.like-coin-admin-badge.is-like{background:var(--brand-soft);color:var(--brand)}.like-coin-admin-state.is-permanent,.like-coin-admin-state.is-active{background:var(--danger-soft);color:var(--danger)}.like-coin-admin-state.is-expired{background:var(--line-soft);color:var(--text-subtle)}.like-coin-admin-note{min-width:180px;max-width:380px}.like-coin-admin-note-text{color:var(--text);line-height:1.55;overflow-wrap:anywhere}.like-coin-admin-muted{color:var(--text-disabled);font-size:var(--font-size-xxs);margin-left:4px}.like-coin-admin-place{display:flex;flex-direction:column;gap:3px;min-width:0}.like-coin-admin-target{display:block;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);text-decoration:none}.like-coin-admin-target:hover{color:var(--brand)}.like-coin-admin-floor{align-self:flex-start;padding:1px 7px;border-radius:999px;background:var(--bg);border:1px solid var(--line-soft);color:var(--text-subtle);font-size:var(--font-size-xxs);white-space:nowrap}.like-coin-admin-actions{white-space:nowrap}.like-coin-admin-batch{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line-soft)}.like-coin-admin-batch .like-coin-admin-muted{margin-left:0;font-size:var(--font-size-xs)}.like-coin-admin-empty{padding:26px;text-align:center;color:var(--text-subtle);font-size:var(--font-size-sm);border:1px dashed var(--line-soft);border-radius:var(--radius);background:var(--bg)}.like-coin-admin .plugin-settings-form .grid>input[type=checkbox],.like-coin-admin .forum-group-checks input[type=checkbox],.like-coin-admin .like-coin-admin-table input[type=checkbox]{appearance:none;-webkit-appearance:none;position:relative;width:44px;height:24px;margin:0;border:1px solid var(--line);border-radius:999px;background:var(--bg);cursor:pointer;transition:background var(--transition-normal),border-color var(--transition-normal);vertical-align:middle}.like-coin-admin .plugin-settings-form .grid>input[type=checkbox]::after,.like-coin-admin .forum-group-checks input[type=checkbox]::after,.like-coin-admin .like-coin-admin-table input[type=checkbox]::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--text-disabled);transition:transform var(--transition-normal),background var(--transition-normal)}.like-coin-admin .plugin-settings-form .grid>input[type=checkbox]:checked,.like-coin-admin .forum-group-checks input[type=checkbox]:checked,.like-coin-admin .like-coin-admin-table input[type=checkbox]:checked{background:var(--brand);border-color:var(--brand)}.like-coin-admin .plugin-settings-form .grid>input[type=checkbox]:checked::after,.like-coin-admin .forum-group-checks input[type=checkbox]:checked::after,.like-coin-admin .like-coin-admin-table input[type=checkbox]:checked::after{transform:translateX(20px);background:var(--inverse-text)}.like-coin-admin .plugin-settings-form .grid>input[type=checkbox]:focus-visible,.like-coin-admin .forum-group-checks input[type=checkbox]:focus-visible,.like-coin-admin .like-coin-admin-table input[type=checkbox]:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-soft)}@media(max-width:720px){.like-coin-admin-filter input,.like-coin-admin-filter select{flex:1 1 46%;max-width:none}.like-coin-admin-field{flex:1 1 100%}.like-coin-admin-note{max-width:240px}.like-coin-admin-target{max-width:160px}}@media(max-width:640px){.like-coin-admin .plugin-settings-form .grid>input:not([type=checkbox]),.like-coin-admin .plugin-settings-form .grid>textarea,.like-coin-admin .plugin-settings-form .grid>select{min-height:44px}.like-coin-admin .plugin-settings-form>button,.like-coin-admin-filter button,.like-coin-admin-inline-form>button,.like-coin-admin-batch .btn{min-height:44px}.like-coin-admin-inline-form button,.like-coin-admin .plugin-settings-form>button{width:100%}.like-coin-admin-wrap{border:0;overflow:visible}table.like-coin-admin-table{display:block;min-width:0}.like-coin-admin-table thead{display:none}.like-coin-admin-table tbody tr{display:block;border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--bg);padding:10px 12px;margin-bottom:10px}.like-coin-admin-table tbody tr:last-child{margin-bottom:0}.like-coin-admin-table tbody tr:hover{background:var(--bg)}.like-coin-admin-table td{display:flex;align-items:flex-start;gap:10px;padding:4px 0;border:0}.like-coin-admin-table td[data-label]::before{content:attr(data-label);flex:0 0 52px;color:var(--text-subtle);font-size:var(--font-size-xxs);font-weight:700;line-height:2}.like-coin-admin-table td.like-coin-admin-check{display:block;padding:0 0 8px;border-bottom:1px dashed var(--line-soft);margin-bottom:4px}.like-coin-admin-table td.like-coin-admin-time span{display:inline}.like-coin-admin-table td.like-coin-admin-time small{display:inline;margin-left:6px}.like-coin-admin-note{max-width:none;min-width:0}.like-coin-admin-target{max-width:none;white-space:normal;overflow:visible;text-overflow:clip}.like-coin-admin-time{white-space:normal}}
/* topic_collections */
.topic-collections-topic-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;width:100%;margin:8px 0 6px;padding-top:5px}
.topic-collections-topic-tags-title{font-size:var(--font-size-sm);font-weight:600;color:var(--text-muted)}
.topic-collections-topic-tag{color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.5;text-decoration:none;overflow-wrap:anywhere}
.topic-collections-topic-tag:hover{color:var(--brand)}
.topic-collections-action{flex:0 0 24px;padding:0;border:0;background:transparent;cursor:pointer}
.topic-collections-action:before{-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 24 24%27 fill=%27none%27 stroke=%27currentColor%27 stroke-width=%272%27 stroke-linecap=%27round%27 stroke-linejoin=%27round%27%3E%3Cpath d=%27M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z%27/%3E%3Cpath d=%27M12 7v6M9 10h6%27/%3E%3C/svg%3E") center/14px 14px no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 24 24%27 fill=%27none%27 stroke=%27currentColor%27 stroke-width=%272%27 stroke-linecap=%27round%27 stroke-linejoin=%27round%27%3E%3Cpath d=%27M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z%27/%3E%3Cpath d=%27M12 7v6M9 10h6%27/%3E%3C/svg%3E") center/14px 14px no-repeat}
.topic-collections-modal-form{display:grid;gap:10px}
.topic-collections-modal-form .grid{grid-template-columns:1fr;margin:0}
.topic-collections-modal-form textarea{min-height:96px;resize:vertical}
.topic-collections-modal-hint{margin:0;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.6}
/* 淘帖主题列表页：页首信息块与主题列表同处 .main-panel，
   列表外框 / 行分隔 / 内边距均由 block_theme 统一提供，插件不再自绘卡片。 */
.topic-collections-collection-head{display:grid;gap:10px;min-width:0;margin:10px 0}
.topic-collections-collection-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.topic-collections-collection-title{display:grid;gap:4px;min-width:0}
.topic-collections-collection-title .post-content-title{margin:0}
.topic-collections-collection-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px;color:var(--text-subtle);font-size:var(--font-size-sm);line-height:1.4}
.topic-collections-collection-meta span,.topic-collections-collection-meta a{display:inline-flex;align-items:center;gap:4px;min-width:0}
.topic-collections-collection-meta a{color:var(--text-muted)}
.topic-collections-collection-meta a:hover{color:var(--brand)}
.topic-collections-collection-description{max-width:72ch;margin:0;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.55}
.topic-collections-collection-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-shrink:0}
.topic-collections-subscribe{margin:0}
.topic-collections-subscribe button{min-height:32px;padding:0 12px;white-space:nowrap}
/* 主题列表：列表外框 / 行分隔由 block_theme 的 .main-panel>.post-list 规则提供，
   此处仅让出 display 与内边距的决定权。 */
ul.post-list.topic-collections-topic-list{min-width:0}
.home-shell ul.post-list.topic-collections-topic-list>.post-item.post-item>.post-avatar{flex:none}
.topic-collections-settings{margin:0;display:grid;gap:14px}
.topic-collections-manage-block{display:grid;gap:12px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);min-width:0}
.topic-collections-manage-block>h3{margin:0;font-size:var(--font-size-md)}
.topic-collections-manage-list{display:grid;gap:6px;margin:0;padding:0;list-style:none;width:100%;min-width:0}
.topic-collections-manage-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:32px}
.topic-collections-manage-list li span{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topic-collections-manage-list li form{margin:0 0 0 auto;flex:none}
.topic-collections-manage-list li button{min-height:26px;padding:0 8px;background:none;border:0;color:var(--text-muted)}
.topic-collections-manage-list li button:hover{color:var(--danger)}
.topic-collections-manage-empty{margin:0;color:var(--text-muted);font-size:var(--font-size-sm)}
.topic-collections-mg-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line-soft)}
.topic-collections-mg-head h1{margin:0}
.topic-collections-settings-form{display:grid;gap:8px;max-width:680px}
.topic-collections-settings-form .grid{grid-template-columns:1fr;margin:0}
.topic-collections-settings-form label.topic-collections-checkbox{display:block}
.topic-collections-settings-form label.topic-collections-checkbox>span{display:block;margin-bottom:6px}
.topic-collections-settings-form label.topic-collections-checkbox>input{width:38px;height:22px}
.topic-collections-settings-form button{justify-self:start}
.topic-collections-collab-add{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.topic-collections-collab-add input{flex:1 1 180px;min-width:0}
.topic-collections-collab-add button{margin:0}
.topic-collections-delete-form{margin:0;padding-top:12px;border-top:1px solid var(--line-soft)}
.topic-collections-delete-form button{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}
.topic-collections-delete-form button:hover{background:var(--danger);color:var(--inverse-text)}
.topic-collections-updates-list{margin:0;padding:0;list-style:none}
.topic-collections-updates-list li{padding:7px 2px}
.topic-collections-updates-list li+li{border-top:1px solid var(--line-soft)}
.topic-collections-updates-list a{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--text)}
.topic-collections-updates-name{overflow-wrap:anywhere;min-width:0}
.topic-collections-updates-list .notify-badge{flex:none}
.topic-collections-new-badge{display:inline-flex;align-items:center;margin-left:8px;padding:1px 7px;border-radius:999px;background:var(--brand);color:var(--inverse-text);font-size:var(--font-size-xs);line-height:1.5;white-space:nowrap}
ul.topic-collections-collection-list{min-width:0;list-style:none}
ul.topic-collections-collection-list>.topic-collections-collection-row{display:flex;gap:12px;align-items:flex-start;min-width:0}
ul.topic-collections-collection-list .topic-collections-collection-row>.post-avatar{flex:none}
ul.topic-collections-collection-list .topic-collections-collection-row>.post-body{flex:1 1 auto;min-width:0}
ul.topic-collections-collection-list>.topic-collections-collection-row>.post-body>.post-title-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0}
ul.topic-collections-collection-list>.topic-collections-collection-row>.post-body>.post-title-row>.post-title{overflow-wrap:anywhere;word-break:break-word}
.topic-collections-card-desc{display:-webkit-box;overflow:hidden;margin-top:4px;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.5;overflow-wrap:anywhere;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.topic-collections-tag{display:inline-flex;align-items:center;gap:6px;height:20px;margin-right:6px;padding:0 8px;border-radius:999px;font-size:var(--font-size-xs);font-weight:600;line-height:1;vertical-align:middle}
.topic-collections-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.topic-collections-tag-private{color:var(--warning);background:var(--warning-soft)}
.topic-collections-tag-public{color:var(--brand);background:var(--brand-soft)}
.topic-collections-tag-mine{color:var(--text-subtle);background:var(--bg);border:1px solid var(--line)}
.topic-collections-tag-subscribed{color:var(--success);background:var(--success-soft)}
.topic-collections-admin-body{display:grid;gap:12px;padding:14px}
.topic-collections-admin-body>p{margin:0;color:var(--text-muted);font-size:var(--font-size-sm)}
.topic-collections-admin-form{display:grid;gap:10px;max-width:680px}
.topic-collections-admin-form .grid{grid-template-columns:1fr}
.topic-collections-admin-form>button{justify-self:start}
@media(max-width:720px){
.topic-collections-collection-page{gap:10px}
.topic-collections-collection-head{padding:14px 13px}
.topic-collections-collection-top{flex-direction:column;align-items:stretch;gap:10px}
.topic-collections-collection-actions{justify-content:flex-start;flex-wrap:wrap;align-items:stretch}
.topic-collections-collection-actions .btn,.topic-collections-subscribe{flex:1 1 0;min-width:0}
.topic-collections-subscribe button{width:100%}
ul.post-list.topic-collections-topic-list.topic-collections-topic-list{gap:10px}
.home-shell ul.post-list.topic-collections-topic-list>.post-item.post-item.post-item{padding:14px 13px;gap:11px}
}
@media(max-width:760px){.topic-collections-manage-block{padding:12px}.topic-collections-collab-add input{flex-basis:100%}}
/* topic_tags */
.topic-tags-page{display:flex;flex-direction:column;gap:12px;padding:0}
.topic-tags-page-head{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.topic-tags-page-title{margin:0;font-size:var(--font-size-lg);font-weight:700;color:var(--text)}
.topic-tags-page-desc{margin:0;font-size:var(--font-size-sm);color:var(--text-muted)}
.topic-tags-page-desc a{color:var(--brand);text-decoration:none}
.topic-tags-page-desc a:hover{color:var(--brand-hover);text-decoration:underline}

.topic-tags-search{display:flex;flex-wrap:wrap;gap:8px;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.topic-tags-search-input{flex:1 1 220px;min-width:0;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:var(--font-size-sm)}
.topic-tags-search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus-ring)}
.topic-tags-search-btn{flex:0 0 auto;padding:7px 16px;border:1px solid var(--brand);border-radius:var(--radius-sm);background:var(--brand);color:var(--inverse-text);font-size:var(--font-size-sm);cursor:pointer;transition:background var(--transition-normal)}
.topic-tags-search-btn:hover{background:var(--brand-hover);border-color:var(--brand-hover)}

.topic-tags-sort{display:flex;flex-wrap:wrap;gap:8px;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.topic-tags-sort-link{padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text-muted);font-size:var(--font-size-sm);text-decoration:none;transition:color var(--transition-normal),border-color var(--transition-normal)}
.topic-tags-sort-link:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}
.topic-tags-sort-link.active{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);font-weight:600}

.topic-tags-page{--topic-tags-level-1:var(--font-size-xs);--topic-tags-level-2:var(--font-size-sm);--topic-tags-level-3:var(--font-size-md);--topic-tags-level-4:var(--font-size-lg);--topic-tags-level-5:var(--font-size-xl)}
.topic-tags-cloud{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.topic-tags-cloud-item{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text);text-decoration:none;transition:color var(--transition-normal),border-color var(--transition-normal),background var(--transition-normal)}
.topic-tags-cloud-item.topic-tags-color-1{color:var(--brand);background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 30%,var(--line))}
.topic-tags-cloud-item.topic-tags-color-2{color:var(--info);background:var(--info-soft);border-color:color-mix(in srgb,var(--info) 30%,var(--line))}
.topic-tags-cloud-item.topic-tags-color-3{color:var(--warning);background:var(--warning-soft);border-color:color-mix(in srgb,var(--warning) 30%,var(--line))}
.topic-tags-cloud-item.topic-tags-color-4{color:var(--success);background:var(--success-soft);border-color:color-mix(in srgb,var(--success) 30%,var(--line))}
.topic-tags-cloud-item.topic-tags-color-5{color:var(--danger);background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 30%,var(--line))}
.topic-tags-cloud-item:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}
.topic-tags-level-1{font-size:var(--topic-tags-level-1)}
.topic-tags-level-2{font-size:var(--topic-tags-level-2)}
.topic-tags-level-3{font-size:var(--topic-tags-level-3)}
.topic-tags-level-4{font-size:var(--topic-tags-level-4)}
.topic-tags-level-5{font-size:var(--topic-tags-level-5);font-weight:600}
.topic-tags-count{font-size:var(--font-size-xs);color:var(--text-subtle)}
.topic-tags-count::before{content:"×"}
.topic-tags-empty{margin:0;padding:32px 18px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text-subtle);font-size:var(--font-size-sm);text-align:center}

.topic-tags-chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.topic-tags-chip{display:inline-flex;align-items:center;color:var(--brand);font-size:var(--font-size-xs);text-decoration:none;word-break:break-all;transition:border-color var(--transition-normal)}
.topic-tags-chip:hover{border-color:var(--brand);text-decoration:none}
/* 标签块由核心 content_after 钩子插入 .post-content 内部（非 .post-item 直接子级），块级流自然满宽，无需 flex 占位 */
.topic-tags-block{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px;padding-top:5px}
.topic-tags-block-title{font-size:var(--font-size-sm);font-weight:600;color:var(--text-muted)}
.topic-tags-row{display:inline-flex;flex-wrap:wrap;gap:3px;align-items:center;color:var(--text-subtle)}
.topic-tags-row .topic-tags-icon{width:13px;height:13px;flex:0 0 auto}
.topic-tags-row .topic-tags-chip{color:var(--text-subtle)}
.topic-tags-row .topic-tags-chip:hover{color:var(--brand)}

.topic-tags-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px}
.topic-tags-stat{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--bg)}
.topic-tags-stat strong{font-size:var(--font-size-lg);font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}
.topic-tags-stat span{font-size:var(--font-size-xs);color:var(--text-muted)}
.topic-tags-note{margin:10px 0 0;font-size:var(--font-size-sm);color:var(--text-muted)}
.topic-tags-note-warn{color:var(--warning)}
.topic-tags-form{display:flex;flex-direction:column;gap:14px;max-width:none;width:100%}
.topic-tags-fields{display:grid;grid-template-columns:1fr;gap:12px;width:100%}
.topic-tags-field{display:flex;flex-direction:column;gap:10px;min-width:0;width:100%;padding:14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg)}
.topic-tags-field-title{font-size:var(--font-size-sm);font-weight:700;color:var(--text)}
.topic-tags-grid{display:grid;gap:10px;min-width:0}
.topic-tags-grid-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.topic-tags-f{display:flex;flex-direction:column;gap:4px;min-width:0}
.topic-tags-f>span{font-size:var(--font-size-xs);color:var(--text-muted)}
.topic-tags-f>em{font-style:normal;font-size:var(--font-size-xxs);color:var(--text-subtle)}
.topic-tags-f input,.topic-tags-f textarea{width:100%;max-width:none;box-sizing:border-box;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:var(--font-size-sm)}
.topic-tags-f textarea{min-height:140px;line-height:1.6;font-family:var(--font-mono);resize:vertical}
.topic-tags-f input:focus,.topic-tags-f textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus-ring)}
.topic-tags-check{display:flex;align-items:flex-start;gap:8px;font-size:var(--font-size-sm);color:var(--text);cursor:pointer}
.topic-tags-check input{width:15px;height:15px;margin:1px 0 0;flex-shrink:0;accent-color:var(--brand)}
.topic-tags-form-actions{display:flex;justify-content:flex-end}
.topic-tags-btn{min-height:30px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--text);font-size:var(--font-size-sm);cursor:pointer;transition:border-color var(--transition-normal),color var(--transition-normal),background var(--transition-normal)}
.topic-tags-btn:hover{border-color:var(--brand);color:var(--brand)}
.topic-tags-btn-primary{border-color:var(--brand);background:var(--brand);color:var(--inverse-text)}
.topic-tags-btn-primary:hover{border-color:var(--brand-hover);background:var(--brand-hover);color:var(--inverse-text)}
.topic-tags-action-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:start}
.topic-tags-action-group{display:flex;flex-direction:column;padding:2px 14px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}
.topic-tags-action-group-title{font-size:var(--font-size-sm);font-weight:700;color:var(--text);padding-top:8px}
.topic-tags-action-group-sub{font-size:var(--font-size-xs);color:var(--text-subtle);margin-bottom:4px}
.topic-tags-action-step{font-size:var(--font-size-xs);font-weight:700;color:var(--text-muted);padding-top:10px}
.topic-tags-action-row{padding:8px 0 8px;border-bottom:1px solid var(--line-soft)}
.topic-tags-action-row:last-child{border-bottom:none}
.topic-tags-action-row .post-action-form{margin:0;display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.topic-tags-action-link{display:inline-block;padding:4px 12px;border:none;border-radius:var(--radius-sm);background:var(--text);color:var(--panel);font-family:inherit;font-size:var(--font-size-xs);font-weight:600;cursor:pointer;line-height:1.5;transition:background var(--transition-normal),color var(--transition-normal)}
.topic-tags-action-link:hover{background:var(--text-muted);color:var(--panel);text-decoration:none}
.topic-tags-action-link-danger{background:var(--danger);color:var(--inverse-text)}
.topic-tags-action-link-danger:hover{background:var(--danger);color:var(--inverse-text);filter:brightness(0.9)}
.topic-tags-action-desc{font-size:var(--font-size-xs);color:var(--text-subtle);line-height:1.6}

.topic-tags-steps{padding:2px 14px 12px;margin-bottom:12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);font-size:var(--font-size-sm);color:var(--text-muted)}
.topic-tags-steps-title{display:block;font-weight:700;color:var(--text);padding-top:10px;margin-bottom:4px}
.topic-tags-steps ol{margin:0;padding-left:18px;display:grid;gap:2px}
.topic-tags-fold-btn{padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--text-muted);font-size:var(--font-size-sm);cursor:pointer;transition:border-color var(--transition-normal),color var(--transition-normal)}
.topic-tags-fold-btn:hover{border-color:var(--brand);color:var(--brand)}
.topic-tags-report-section+.topic-tags-report-section{margin-top:14px;padding-top:12px;border-top:1px solid var(--line-soft)}
.topic-tags-report-title{font-size:var(--font-size-sm);font-weight:700;color:var(--text);margin-bottom:6px}
.topic-tags-report{display:flex;flex-direction:column;gap:6px}
.topic-tags-report-head{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;font-size:var(--font-size-sm);color:var(--text)}
.topic-tags-report-time{font-size:var(--font-size-xs);color:var(--text-subtle)}
.topic-tags-report-lines{margin:0;padding:8px 10px;background:var(--bg);border:1px solid var(--line-soft);border-radius:var(--radius-sm);display:grid;gap:3px;font-size:var(--font-size-xs);color:var(--text-muted)}
.topic-tags-report-empty{margin:0;font-size:var(--font-size-sm);color:var(--text-subtle)}
.topic-tags-failed-list{display:flex;flex-direction:column}
.topic-tags-failed-row{display:flex;flex-direction:column;gap:2px;padding:8px 0;border-bottom:1px solid var(--line-soft);font-size:var(--font-size-sm);min-width:0}
.topic-tags-failed-row:last-child{border-bottom:none}
.topic-tags-failed-row a{color:var(--text);text-decoration:none;word-break:break-all}
.topic-tags-failed-row a:hover{color:var(--brand)}
.topic-tags-failed-err{font-size:var(--font-size-xs);color:var(--danger);word-break:break-all}
.topic-tags-failed-meta{font-size:var(--font-size-xs);color:var(--text-subtle)}
.topic-tags-details{margin-top:12px}
.topic-tags-details summary{cursor:pointer;font-size:var(--font-size-sm);color:var(--text-muted)}
.topic-tags-details pre{margin:8px 0 0;padding:8px 10px;max-height:260px;overflow:auto;background:var(--bg);border:1px solid var(--line-soft);border-radius:var(--radius-sm);font-size:var(--font-size-xs);white-space:pre-wrap;word-break:break-all;color:var(--text-muted)}

@media (max-width:600px){
    .topic-tags-cloud{gap:6px}
    .topic-tags-search-input{flex:1 1 100%}
    .topic-tags-action-list{grid-template-columns:1fr}
}
/* topic_watch */
.topic-watch-toggle{display:inline-flex;margin:0}.topic-watch-icon{display:inline-grid;place-items:center;width:24px;min-width:24px;height:24px;padding:0;border:0;background:transparent;cursor:pointer;flex:0 0 24px}.topic-watch-icon:before{display:none}.topic-watch-icon svg{display:block;width:14px;height:14px;flex:0 0 14px}.topic-watch-forum-button{display:inline-flex;align-items:center;gap:6px;min-height:30px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--text-muted);font-size:var(--font-size-sm)}.topic-watch-forum-button svg{display:block;width:14px;height:14px;flex:0 0 14px}.topic-watch-forum-button:hover{border-color:var(--brand);color:var(--brand)}.topic-watch-row{grid-template-columns:minmax(0,1fr) auto}.topic-watch-row>form{align-self:center}.topic-watch-panel .admin-content-title a{color:inherit}@media(max-width:720px){.topic-watch-row{grid-template-columns:minmax(0,1fr)}.topic-watch-row>form{justify-self:start}}