:root{--sr-accent:#d72924;--sr-accent-dark:#a81f1b;--sr-accent-soft:#fdecec;--sr-text:#1f2937;--sr-muted:#6b7280;--sr-border:#eceef1;--sr-bg:#fff;--sr-radius:12px;--sr-line:#d7dbe1;--sr-font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif}.mm-app{font-family:var(--sr-font)}.mm-app,.mm-app *,.mm-app *::before,.mm-app *::after{box-sizing:border-box}.search-summary{font-size:15px;color:var(--sr-muted);margin:0 0 16px}.search-summary .search-term,.search-message .search-term{color:var(--sr-accent);font-weight:600}.mm-layout{display:grid;grid-template-columns:minmax(0,45fr) minmax(0,55fr);gap:20px;align-items:start}.mm-app>p:empty,.mm-layout>p,.mm-layout>br,.tree br,.tree-branches br,.tree-posts br{display:none}.tree{grid-column:1;grid-row:1}.content-pane{grid-column:2;grid-row:1}.tree{background:var(--sr-bg);border:1px solid var(--sr-border);border-radius:var(--sr-radius);padding:8px 16px 14px;box-shadow:0 1px 3px rgb(16 24 40 / .05);position:sticky;top:24px;max-height:calc(100vh - 48px);overflow-y:auto}.tree-root{display:flex;align-items:center;gap:9px;padding:10px 4px;font-size:15px;font-weight:700;color:var(--sr-text);border-bottom:1px solid var(--sr-border)}.tree-root-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;color:#fff;background:linear-gradient(135deg,var(--sr-accent),var(--sr-accent-dark));flex:0 0 auto}.tree-root-text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-root-count{flex:0 0 auto;font-size:12px;font-weight:700;color:#fff;background:var(--sr-accent);border-radius:999px;padding:2px 9px}.tree-branches{margin:4px 0 0;padding-left:14px}.tree-cat{position:relative;padding-left:16px}.tree-cat::before{content:"";position:absolute;left:0;top:0;bottom:0;border-left:2px solid var(--sr-line)}.tree-cat:last-child::before{bottom:auto;height:20px}.tree-cat-head::before{content:"";position:absolute;left:-16px;top:20px;width:14px;border-top:2px solid var(--sr-line)}.tree-cat-head{position:relative;display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;padding:9px 11px;margin:5px 0;font-size:13px;font-weight:700;color:var(--sr-text);background:#f8f9fb;border:1px solid var(--sr-border);border-radius:8px;transition:background 0.15s ease,border-color 0.15s ease}.tree-cat-head::-webkit-details-marker{display:none}.tree-cat-head:hover{background:var(--sr-accent-soft);border-color:var(--sr-accent)}.tree-cat-arrow{flex:0 0 auto;width:0;height:0;border-left:6px solid var(--sr-muted);border-top:5px solid #fff0;border-bottom:5px solid #fff0;transition:transform 0.2s ease}.tree-cat[open]>.tree-cat-head .tree-cat-arrow{transform:rotate(90deg)}.tree-cat-head:hover .tree-cat-arrow{border-left-color:var(--sr-accent)}.tree-cat-name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-cat-count{flex:0 0 auto;min-width:20px;text-align:center;font-size:11px;font-weight:700;color:var(--sr-accent);background:var(--sr-accent-soft);border-radius:999px;padding:1px 8px}.tree-posts{list-style:none;margin:0 0 6px;padding:0 0 0 16px;position:relative}.tree-posts>li{position:relative;padding-left:16px}.tree-posts>li::before{content:"";position:absolute;left:0;top:0;bottom:0;border-left:2px solid var(--sr-line)}.tree-posts>li:last-child::before{bottom:auto;height:50%}.tree-posts>li::after{content:"";position:absolute;left:0;top:50%;width:12px;border-top:2px solid var(--sr-line)}.mm-post{display:block;padding:6px 10px;margin:2px 0;cursor:pointer;text-decoration:none;font-size:13px;font-weight:600;line-height:1.4;color:var(--sr-text);border-radius:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:background 0.15s ease,color 0.15s ease,transform 0.15s ease}.mm-post:hover{background:var(--sr-accent-soft);color:var(--sr-accent);transform:translateX(2px)}.mm-post.is-active{background:var(--sr-accent);color:#fff}.content-pane{position:sticky;top:24px;align-self:start;max-height:calc(100vh - 48px);overflow-y:auto;background:var(--sr-bg);border:1px solid var(--sr-border);border-radius:var(--sr-radius);box-shadow:0 1px 3px rgb(16 24 40 / .05)}.content-pane [hidden]{display:none!important}.content-back{display:none;width:100%;align-items:center;gap:6px;padding:14px 18px;font-family:var(--sr-font);font-size:14px;font-weight:700;color:var(--sr-accent);background:var(--sr-bg);border:none;border-bottom:1px solid var(--sr-border);cursor:pointer;position:sticky;top:0;z-index:5}.content-back:hover{background:var(--sr-accent-soft)}.content-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:340px;padding:40px;color:#b6bcc6;text-align:center}.content-placeholder p{margin:0;font-size:15px;color:var(--sr-muted)}.content-article{padding:30px 34px 36px}.content-loading{display:flex;align-items:center;gap:10px;padding:40px 0;color:var(--sr-muted);font-size:15px}.content-spinner{width:18px;height:18px;border:2px solid var(--sr-accent-soft);border-top-color:var(--sr-accent);border-radius:50%;animation:content-spin 0.7s linear infinite}@keyframes content-spin{to{transform:rotate(360deg)}}.content-error{padding:24px;color:var(--sr-muted);background:#fdf3f3;border-radius:10px}.content-error-link,.content-readmore{color:var(--sr-accent);font-weight:600;text-decoration:none}.content-error-link:hover,.content-readmore:hover{text-decoration:underline}.content-title{margin:0 0 10px;font-size:26px;line-height:1.3;font-weight:800;color:var(--sr-text)}.content-meta{font-size:13px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--sr-muted);margin-bottom:18px}.content-thumb{width:100%;max-height:320px;object-fit:cover;border-radius:10px;margin-bottom:20px;display:block}.content-html.beautify-post{padding:0;margin:0}.content-readmore{display:inline-block;margin-top:18px;padding-top:16px;border-top:1px solid var(--sr-border)}.mm-gotop{display:none;position:fixed;right:16px;bottom:18px;z-index:40;width:46px;height:46px;align-items:center;justify-content:center;color:#fff;background:var(--sr-accent);border:none;border-radius:50%;box-shadow:0 6px 18px rgb(215 41 36 / .45);cursor:pointer;opacity:0;transform:translateY(10px);transition:opacity 0.2s ease,transform 0.2s ease,background 0.2s ease}.mm-gotop:hover{background:var(--sr-accent-dark)}.mm-gotop.is-visible{opacity:1;transform:translateY(0)}.search-message{font-family:var(--sr-font);font-size:16px;color:var(--sr-muted);padding:32px;background:#f9fafb;border:1px dashed #d8dbe0;border-radius:var(--sr-radius);text-align:center}@media (max-width:560px){.mm-layout{display:block}.tree,.content-pane{position:static;max-height:none;width:100%;overflow:visible}.content-pane{display:none}.mm-app.is-detail .tree{display:none}.mm-app.is-detail .content-pane{display:block}.content-back{display:flex}.mm-gotop{display:flex}.tree{padding:6px 10px 12px}.tree-branches{padding-left:6px}.tree-cat-head{padding:9px 10px}.tree-cat-count,.tree-root-count{padding:1px 7px}.mm-post{padding:7px 8px;font-size:13.5px}.content-article{padding:20px 18px 28px}.content-title{font-size:22px}}