/* code_copy */
.code-copy-wrap{position:relative;display:block;min-width:0;margin:10px 0}.code-copy-wrap>pre{margin:0}.code-copy-button{position:absolute;z-index:2;top:9px;right:9px;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid rgba(255,255,255,.2);border-radius:6px;background:rgba(17,24,39,.58);color:rgba(255,255,255,.82);box-shadow:0 2px 8px rgba(0,0,0,.18);opacity:0;pointer-events:none;transform:translateY(-3px);cursor:pointer;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);transition:opacity var(--transition-normal),transform var(--transition-normal),background-color var(--transition-normal),border-color var(--transition-normal),color var(--transition-normal)}.code-copy-button svg{display:block;width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.code-copy-wrap:hover>.code-copy-button,.code-copy-wrap:focus-within>.code-copy-button,.code-copy-button.is-copied,.code-copy-button.is-failed{opacity:1;pointer-events:auto;transform:none}.code-copy-button:hover{border-color:rgba(255,255,255,.38);background:rgba(17,24,39,.82);color:#fff}.code-copy-button:focus-visible{opacity:1;pointer-events:auto;transform:none;outline:2px solid var(--focus-ring);outline-offset:2px}.code-copy-button.is-copied{border-color:var(--success);color:var(--success)}.code-copy-button.is-failed{border-color:var(--danger);color:var(--danger)}@media(hover:none){.code-copy-button{opacity:.68;pointer-events:auto;transform:none}}@media(prefers-reduced-motion:reduce){.code-copy-button{transition:none}}
/* code_line_numbers */
.code-line-numbers{display:block;counter-reset:code-line}.code-line-number{position:relative;display:block;min-height:1.4em;padding-left:calc(var(--code-line-number-width,2ch) + .95em);white-space:pre}.code-line-number::before{position:absolute;left:0;width:var(--code-line-number-width,2ch);padding-right:.45em;border-right:1px solid var(--inverse-border);color:var(--text-disabled);content:counter(code-line);counter-increment:code-line;text-align:right;user-select:none}.post-content pre.code-line-numbers-pre{overflow:auto}
/* guest_notice */
.guest-notice-bar{background:var(--brand-soft);color:var(--brand);font-size:var(--font-size-sm);text-align:center;padding:8px 16px;line-height:1.5}.guest-notice-bar .guest-notice-link{color:inherit;font-weight:600;margin-left:10px;text-decoration:underline}
/* notice */
.notice-top-menu-link{display:inline-flex;align-items:center;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-muted);font-size:var(--font-size-sm);text-decoration:none}.notice-top-menu-link:hover{color:var(--text)}.notice-page{max-width:860px;margin:0 auto;padding:var(--space-lg,16px)}.notice-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-md,14px);margin-bottom:var(--space-md,14px)}.notice-title{font-size:var(--font-size-xl);margin:0;color:var(--text)}.notice-sub{font-size:var(--font-size-sm);color:var(--text-muted);margin:4px 0 0}.notice-edit-link,.notice-card-edit{color:var(--brand-hover);font-size:var(--font-size-sm);font-weight:600;text-decoration:none}.notice-edit-link:hover,.notice-card-edit:hover{color:var(--brand)}.notice-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:var(--space-lg,16px);margin-bottom:var(--space-md,14px)}.notice-card-disabled{opacity:.65}.notice-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-md,14px);margin-bottom:var(--space-md,14px)}.notice-card-name{font-size:var(--font-size-sm);color:var(--text-muted);margin-bottom:4px}.notice-card h2{font-size:var(--font-size-lg);margin:0;color:var(--text)}.notice-disabled{display:inline-block;margin-left:6px;padding:2px 6px;border:1px solid var(--line);border-radius:999px;font-size:var(--font-size-xs)}.notice-content,.notice-empty{color:var(--text);font-size:var(--font-size-md);line-height:1.8}.notice-content p:first-child{margin-top:0}.notice-content p:last-child{margin-bottom:0}.notice-empty{color:var(--text-muted);margin:0}.notice-edit{max-width:860px;margin:0 auto}.notice-edit-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md,14px);margin-bottom:var(--space-md,14px)}.notice-edit-head h1{font-size:var(--font-size-xl);margin:0}.notice-edit-head a,.notice-edit .form-actions a{color:var(--brand-hover);text-decoration:none}.notice-edit textarea{min-height:320px}.notice-settings-desc{font-size:var(--font-size-sm);color:var(--text-muted);margin:4px 0 0}.notice-edit-help{font-size:var(--font-size-sm);color:var(--text-muted);margin:var(--space-sm,8px) 0}.notice-edit .form-actions{display:flex;align-items:center;gap:var(--space-md,14px);margin-top:var(--space-md,14px);flex-wrap:wrap}.notice-edit .form-actions button[name="notice_action"][value="delete"]{margin-left:auto}.notice-resources{max-width:980px;margin:0 auto}.notice-resource-summary{display:flex;gap:12px;margin-bottom:var(--space-md,14px);color:var(--text-muted);font-size:var(--font-size-sm)}.notice-resource-list{display:grid;gap:10px}.notice-resource-card{padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.notice-resource-unreferenced{opacity:.82}.notice-resource-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.notice-resource-card-head strong{color:var(--text);overflow-wrap:anywhere}.notice-resource-actions a{color:var(--brand-hover);font-size:var(--font-size-sm);font-weight:600;text-decoration:none;white-space:nowrap}.notice-resource-actions a:hover{color:var(--brand)}.notice-resource-status{display:inline-block;margin-left:6px;padding:2px 6px;border:1px solid var(--line);border-radius:999px;font-size:var(--font-size-xxs);color:var(--text-muted)}.notice-resource-status-unreferenced{color:var(--text-subtle)}.notice-resource-stored{display:block;margin-top:3px;color:var(--text-subtle);font-size:var(--font-size-xs);overflow-wrap:anywhere}.notice-resource-meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:8px;color:var(--text-muted);font-size:var(--font-size-xs)}.notice-resource-notices{margin-top:8px;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.5}.notice-resource-missing{opacity:.8}.notice-resource-missing code{color:var(--text-subtle);font-size:var(--font-size-xs);overflow-wrap:anywhere}@media (max-width:640px){.notice-top-menu-link{display:inline-flex}.notice-mobile-forum-link{display:inline-flex}.notice-head,.notice-card-head{flex-direction:column}.notice-edit-head{align-items:flex-start;flex-direction:column}.notice-edit .form-actions button[name="notice_action"][value="delete"]{margin-left:0}.notice-resource-card-head{flex-direction:column}.notice-resource-actions{align-self:flex-start}}
/* official_notifications */
.official-notifications-nav{position:relative;display:inline-flex;flex:0 0 30px;align-items:center;justify-content:center;box-sizing:border-box;width:30px;height:30px;min-height:30px;padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);color:var(--text-muted)}.official-notifications-nav svg{width:17px;height:17px;flex:0 0 17px}.official-notifications-nav:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.official-notifications-nav:focus-visible{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--focus-ring)}.official-notifications-nav.has-unread:after{content:"";position:absolute;right:3px;top:2px;width:7px;height:7px;border:2px solid var(--panel);border-radius:50%;background:var(--danger)}.official-notifications-row{grid-template-columns:minmax(0,1fr) auto}.official-notifications-row.is-read{opacity:.65}.official-notifications-row.is-unread{box-shadow:inset 3px 0 var(--brand)}.official-notifications-admin-body{padding:14px}.official-notifications-form{display:grid;gap:10px;max-width:720px}@media(max-width:720px){.official-notifications-nav{flex-basis:28px;width:28px;height:28px;min-height:28px;border:0;background:transparent;color:var(--text-subtle)}.official-notifications-nav svg{width:24px;height:24px;flex-basis:24px}.official-notifications-nav:hover{background:var(--bg);color:var(--text)}.official-notifications-row{grid-template-columns:1fr}}
/* online_users */
.online-users-boot{display:none}.online-users-host{position:relative;overflow:visible}.online-users-dot{position:absolute;right:-1px;bottom:-1px;width:10px;height:10px;border:2px solid var(--panel);border-radius:50%;background:var(--success);pointer-events:none}.user-avatar-big.online-users-host .online-users-dot{width:12px;height:12px}.online-users-wrap{padding:10px 14px 12px}.online-users-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.online-users-title{color:var(--text);font-size:var(--font-size-sm);font-weight:600}.online-users-count{flex:0 0 auto;padding:1px 8px;border-radius:999px;background:var(--success-soft);color:var(--success);font-size:var(--font-size-xs);font-weight:600;line-height:1.6;white-space:nowrap}.online-users-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 6px}.online-users-item{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:0}.online-users-item:hover .online-users-name{color:var(--brand)}.online-users-avatar{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--bg)}.online-users-name{max-width:44px;overflow:hidden;color:var(--text-muted);font-size:var(--font-size-xs);text-align:center;text-overflow:ellipsis;white-space:nowrap}.online-users-more{margin-top:8px;color:var(--text-subtle);font-size:var(--font-size-xs)}.online-users-empty{color:var(--text-subtle);font-size:var(--font-size-xs)}
/* reply_visible */
.reply-visible-editor-tools{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 0 10px}.reply-visible-editor-button{min-height:32px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font:inherit;font-size:var(--font-size-sm);font-weight:600;cursor:pointer}.reply-visible-editor-button:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.reply-visible-editor-button:focus-visible,.reply-visible-action:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}.reply-visible-editor-note{color:var(--text-subtle);font-size:var(--font-size-xs)}.reply-visible-content{display:grid;gap:12px}.reply-visible-content>p{margin:0}.reply-visible-card{display:grid;gap:10px;margin:2px 0;padding:14px;border:1px dashed var(--brand);border-radius:var(--radius-sm);background:var(--brand-soft);color:var(--text)}.reply-visible-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.reply-visible-card-head strong{font-size:var(--font-size-md)}.reply-visible-card-head span{color:var(--text-muted);font-size:var(--font-size-xs)}.reply-visible-card-message{margin:0;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.6}.reply-visible-action{display:inline-flex;align-items:center;justify-content:center;justify-self:start;min-height:32px;padding:0 10px;border:1px solid var(--brand);border-radius:var(--radius-sm);background:var(--panel);color:var(--brand);font-size:var(--font-size-sm);font-weight:600}.reply-visible-card .reply-visible-action:hover{background:var(--brand);color:var(--inverse-text)}.reply-visible-action.reply-visible-action-disabled{border-color:var(--line);background:var(--bg);color:var(--text-disabled);cursor:not-allowed}.reply-visible-action.reply-visible-action-disabled:hover{background:var(--bg);color:var(--text-disabled)}.reply-visible-admin{display:grid;gap:12px}.reply-visible-admin-warning{margin:0;padding:10px 12px;border:1px solid var(--warning);border-radius:var(--radius-sm);background:var(--warning-soft);color:var(--warning);font-size:var(--font-size-sm);line-height:1.6}.reply-visible-admin-hint{margin:0;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.6}.reply-visible-admin-field textarea{min-height:96px;resize:vertical}.reply-visible-admin-example{padding:12px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:var(--font-size-sm)}.reply-visible-admin-example strong{display:block;margin-bottom:6px}.reply-visible-admin-example pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.reply-visible-admin-actions{margin:0}@media(max-width:600px){.reply-visible-editor-tools{align-items:flex-start}.reply-visible-editor-note{flex-basis:100%}.reply-visible-card{padding:12px}.reply-visible-card-head{align-items:flex-start;flex-direction:column;gap:3px}.reply-visible-action{width:100%}}
/* site_logo */
.brand{background-image:var(--site-logo-image,none);background-repeat:no-repeat;background-position:left center;background-size:contain;width:var(--site-logo-width,auto);max-width:100%;height:var(--site-logo-height,auto);font-size:var(--site-logo-brand-font-size,var(--font-size-lg))}.brand:before{background-image:var(--site-logo-icon-image,url("index.svg"));display:var(--site-logo-icon-display,inline-block)}.bar{grid-template-rows:var(--site-logo-bar-row,48px)}@media(prefers-color-scheme:dark){.brand{background-image:var(--site-logo-image-dark,var(--site-logo-image,none))}}html[data-site-logo-scheme="light"] .brand{background-image:var(--site-logo-image,none)}html[data-site-logo-scheme="dark"] .brand{background-image:var(--site-logo-image-dark,var(--site-logo-image,none))}@media(max-width:720px){.bar{height:var(--site-logo-bar-height,44px)}.brand{width:var(--site-logo-width-mobile,auto);height:var(--site-logo-height-mobile,auto)}.brand:before{display:none}}.site-logo-row{margin:0 0 18px}.site-logo-row:last-child{margin-bottom:0}.site-logo-field{min-width:0}.site-logo-thumb{position:relative;display:inline-flex;align-items:center;justify-content:center;width:120px;height:78px;padding:6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg)}.site-logo-thumb-dark{border-color:var(--inverse-border);background:var(--inverse)}.site-logo-thumb-empty{color:var(--text-subtle);font-size:var(--font-size-sm)}.site-logo-thumb img{max-width:100%;max-height:100%}.site-logo-clear{position:absolute;top:-9px;right:-9px;display:inline-flex;align-items:center;justify-content:center;width:22px;min-width:22px;min-height:22px;padding:0;border:0;border-radius:50%;background:var(--danger);color:var(--inverse-text);font-size:var(--font-size-sm);line-height:1}.site-logo-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:10px}.site-logo-url{flex:1 1 240px;min-width:0;max-width:450px}.site-logo-controls button{flex:0 0 auto;min-width:64px}.site-logo-tip{display:block;margin-top:6px;color:var(--text-muted);font-size:var(--font-size-sm);line-height:1.6}
/* video_player */
.bbs-video-wrap{
    margin:16px 0;
}
/* PC端：高度固定400px */
.bbs-video-player{
    width:100%;
    height:400px;
    border-radius:8px;
    background:#000000;
    object-fit:contain;
}
.bbs-video-iframe-wrap{
    position:relative;
    width:100%;
    height:400px;
    margin:16px 0;
    border-radius:8px;
    overflow:hidden;
}
.bbs-video-iframe-wrap iframe{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    border:0;
}
/* 移动端：高度固定300px */
@media(max-width:768px){
    .bbs-video-player{
        width:100%;
        height:350px;
    }
    .bbs-video-iframe-wrap{
        width:100%;
        height:350px;
    }
}

.douyin-video{display:block;width:324px;max-width:100%;height:672px;margin:12px 0;border-radius:var(--radius-sm);overflow:hidden}
.douyin-video.is-ready{position:relative;background:var(--inverse)}
.douyin-video-frame{position:absolute;inset:0;display:block;width:100%;height:100%;border:0;background:var(--inverse)}
.douyin-video-loading{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;height:100%;padding:0 12px;color:var(--text-muted);font-size:var(--font-size-sm)}
.douyin-video-fallback{color:var(--text-muted);font-size:var(--font-size-sm);text-decoration:none;opacity:.6}
.douyin-video-fallback:hover{opacity:1;color:var(--brand)}
.douyin-video.is-ready .douyin-video-loading{display:none}