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h2{margin-bottom:12px;font-size:1.15rem}.admin-comment{background:var(--paper);border-bottom:1px solid var(--line);align-items:center;gap:16px;padding:14px 16px;display:flex}.admin-comment>div{flex:1;min-width:0}.admin-comment a{color:var(--link);font-weight:800;display:block}.admin-comment span{color:var(--muted);font-size:.75rem}.admin-comment p{text-overflow:ellipsis;white-space:nowrap;margin:4px 0 0;overflow:hidden}.back-to-top{right:max(22px, env(safe-area-inset-right));bottom:max(22px, env(safe-area-inset-bottom));z-index:40;color:#fff;background:linear-gradient(145deg, #2f625e, var(--navy-dark));opacity:0;visibility:hidden;pointer-events:none;border:1px solid #c5a880;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:0;width:54px;height:54px;padding:0;transition:opacity .2s,visibility .2s,transform .2s,box-shadow .2s,background .2s;display:flex;position:fixed;transform:translateY(14px)scale(.9);box-shadow:0 9px 24px #1a36364d,inset 0 1px 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0;font-size:.84rem}.footer-owner{color:#94a8a0;margin-top:8px;font-size:.75rem;display:inline-block}.footer-links{gap:16px;font-size:.82rem;display:flex}.footer-links a{color:#d5deea;text-decoration:none}.footer-links a:hover{text-decoration:underline}.site-footer>small{color:#829890;border-top:1px solid #ffffff1a;grid-column:1/-1;padding-top:17px;font-size:.72rem}@media (max-width:720px){.site-header-inner,.site-main{width:min(100% - 20px,1240px)}.site-header-inner{min-height:68px}.brand{gap:8px}.brand-mark{border-radius:11px;width:38px;height:38px}.brand-mark svg{width:29px;height:29px}.brand-copy strong{font-size:1.05rem}.brand-copy small{display:none}.site-header nav a{padding:7px 8px;font-size:.7rem}.board-head{flex-direction:column;align-items:start}.board-shell{grid-template-columns:1fr;gap:18px}.post-nav{max-height:320px;position:static}.featured-post{padding:24px 20px}.featured-post h2{font-size:1.35rem}.content-list-head{display:none}.content-list-row{grid-template-columns:42px minmax(0,1fr) 86px;min-height:52px}.content-list-category,.content-list-author{display:none}.content-list-date{grid-column:3}.board-article h1,.board-meta,.post-content{padding-left:14px;padding-right:14px}.source-reference a.has-thumbnail{grid-template-columns:1fr auto}.source-thumbnail{grid-area:auto/1/auto/-1;width:100%}.source-reference .has-thumbnail small,.source-reference .has-thumbnail strong,.source-reference .has-thumbnail .source-description,.source-reference .has-thumbnail .source-url{grid-column:1}.source-reference .has-thumbnail b{grid-area:3/2/span 3}.code-frame{border-radius:7px;margin-left:-4px;margin-right:-4px}.code-highlight pre{font-size:.78rem}.code-highlight .line{padding-right:14px}.code-highlight 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