.chat-root{display:flex;width:100%;max-width:100%;height:calc(100vh - var(--titlebar-height, 0px));min-height:0;background:var(--bg-app)}.chat-history{flex:0 0 260px;min-width:0;display:flex;flex-direction:column;gap:var(--space-10);padding:var(--space-16) var(--space-10);border-right:1px solid var(--line);background:var(--bg-surface);overflow:hidden}.chat-col-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8);min-height:28px}.chat-col-title{font-family:var(--font-serif);font-size:var(--text-md);font-weight:600;color:var(--text-primary)}.chat-list{flex:1 1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-2)}.chat-list-empty{margin:0;padding:var(--space-8) var(--space-6);font-size:var(--text-sm);color:var(--text-muted);line-height:1.6}.chat-list-item{display:flex;align-items:center;gap:var(--space-2);border-radius:var(--radius-lg);padding:2px}.chat-list-item.is-active{background:var(--accent-100)}.chat-list-main{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:2px;border:0;background:none;padding:var(--space-6);font:inherit;text-align:left;cursor:pointer;color:inherit;border-radius:var(--radius-md)}.chat-list-main:focus-visible{outline:2px solid var(--accent-500);outline-offset:-2px}.chat-list-title{font-size:var(--text-sm);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list-meta{display:flex;align-items:baseline;gap:var(--space-6);min-width:0;font-size:var(--text-xs);color:var(--text-muted)}.chat-list-preview{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list-time{flex:none;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.chat-list-actions{flex:none;display:flex;align-items:center;opacity:0;transition:opacity var(--duration-fast)}.chat-list-item.is-active .chat-list-actions,.chat-list-item:focus-within .chat-list-actions,.chat-list-item:hover .chat-list-actions{opacity:1}.chat-main{flex:1 1;min-width:0;max-width:100%;min-height:0;display:flex;flex-direction:column;background:var(--bg-surface)}.chat-head{flex:none;display:flex;align-items:center;gap:var(--space-8);padding:var(--space-10) var(--space-16);border-bottom:1px solid var(--line)}.chat-head>.mk-ib:first-child{display:none}.chat-title{flex:1 1;min-width:0;margin:0;font-family:var(--font-serif);font-size:var(--text-md);font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-demo-tag{border-radius:var(--radius-sm);padding:1px 6px}.chat-demo-note,.chat-demo-tag{flex:none;font-size:var(--text-xs);color:var(--wz-amber-fg);background:var(--wz-amber-bg)}.chat-demo-note{margin:0;padding:var(--space-6) var(--space-16)}.chat-loading{margin:var(--space-20) 0;text-align:center;font-size:var(--text-sm);color:var(--text-muted)}.chat-messages{flex:1 1;min-width:0;min-height:0;overflow-y:auto;padding:var(--space-20) var(--space-24);display:flex;flex-direction:column;align-items:center;gap:var(--space-16)}.chat-messages>*{width:100%;max-width:760px}.chat-empty{margin:auto;align-items:center;gap:var(--space-16);max-width:560px}.chat-empty,.chat-suggestions{display:flex;flex-direction:column;width:100%}.chat-suggestions{gap:var(--space-6)}.chat-suggestion{border:1px solid var(--line);background:var(--bg-surface);border-radius:var(--radius-lg);padding:var(--space-10) var(--space-12);font:inherit;font-size:var(--text-sm);color:var(--text-secondary);text-align:left;cursor:pointer;transition:border-color var(--duration-fast),box-shadow var(--duration-fast)}.chat-suggestion:hover{border-color:var(--accent-500);box-shadow:var(--shadow-xs)}.chat-empty-hint{margin:0;font-size:var(--text-xs);color:var(--text-muted);text-align:center;line-height:1.6}.chat-msg{display:flex;gap:var(--space-10);align-items:flex-start}.chat-who{flex:none;width:24px;height:24px;border-radius:var(--radius-md);display:grid;place-items:center;font-size:var(--text-xs);font-weight:600;color:var(--text-secondary);background:var(--bg-app)}.chat-msg.is-assistant .chat-who{color:var(--accent-600);background:var(--accent-100)}.chat-bubble-wrap{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:var(--space-4)}.chat-bubble{font-size:var(--text-sm);line-height:1.75;color:var(--text-primary);white-space:pre-wrap;overflow-wrap:anywhere}.chat-msg.is-user .chat-bubble{color:var(--text-secondary)}.chat-msg-meta{display:flex;align-items:center;gap:var(--space-8);font-size:var(--text-xs);color:var(--text-muted)}.chat-state{color:var(--wz-amber-fg)}.chat-state.is-error{color:var(--status-danger)}.chat-state.is-live{color:var(--accent-500)}.chat-msg-time{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.chat-copy{border:0;background:none;padding:0;font:inherit;font-size:var(--text-xs);color:var(--text-muted);cursor:pointer}.chat-copy:hover{color:var(--accent-500)}.chat-error{display:flex;align-items:center;gap:var(--space-8);font-size:var(--text-sm);color:var(--status-danger)}.chat-retry{border:0;background:none;padding:0;font:inherit;color:var(--accent-500);text-decoration:underline;cursor:pointer}.chat-need-login{margin:var(--space-6) 0 0;font-size:var(--text-sm);color:var(--text-muted);text-align:center}.chat-composer{flex:none;border-top:1px solid var(--line);padding:var(--space-10) var(--space-16) var(--space-12);display:flex;flex-direction:column;gap:var(--space-8);background:var(--bg-surface);align-items:center}.chat-composer>*{width:100%;max-width:760px}.chat-input{width:100%;resize:none;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--bg-app);padding:var(--space-10) var(--space-12);font:inherit;font-size:var(--text-sm);line-height:1.7;color:var(--text-primary);min-height:66px;max-height:220px}.chat-input:focus-visible{outline:2px solid var(--accent-500);outline-offset:-1px}.chat-input::placeholder{color:var(--text-faint)}.chat-composer-foot{display:flex;align-items:center;justify-content:space-between;gap:var(--space-10)}.chat-hint{font-size:var(--text-xs);color:var(--text-muted)}.chat-attach .chat-net-toggle{margin-left:auto;flex:none}.chat-net-toggle{display:inline-flex;align-items:center;gap:6px;padding:3px 8px 3px 4px;border:1px solid var(--border-subtle,#d8dbe0);border-radius:999px;background:transparent;color:var(--text-muted);font-size:var(--text-xs);cursor:pointer;white-space:nowrap}.chat-net-toggle:hover:not(:disabled){border-color:var(--border-strong,#b9bec6);color:var(--text-primary)}.chat-net-toggle:disabled{cursor:not-allowed;opacity:.55}.chat-net-toggle.is-on{border-color:var(--brand-primary,#1d4ed8);color:var(--brand-primary,#1d4ed8);background:rgba(29,78,216,.06)}.chat-net-label{font-weight:500}.chat-net-switch{position:relative;display:inline-block;flex:none;width:30px;height:17px;border-radius:999px;background:var(--border-strong,#c9ced6);transition:background .16s ease}.chat-net-knob{position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .16s ease}.chat-net-toggle.is-on .chat-net-switch{background:var(--brand-primary,#1d4ed8)}.chat-net-toggle.is-on .chat-net-knob{transform:translateX(13px)}@media (prefers-reduced-motion:reduce){.chat-net-knob,.chat-net-switch{transition:none}}.chat-sources{margin-top:8px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface-subtle,#f7f8fa);font-size:var(--text-xs);color:var(--text-muted)}.chat-sources-title{margin:0;color:var(--text-muted);font-weight:500}.chat-sources.is-live{margin:0}.chat-sources ul{margin:6px 0 0;padding-left:16px;display:grid;grid-gap:4px;gap:4px}.chat-sources a{color:var(--brand-primary,#1d4ed8);text-decoration:none;word-break:break-all}.chat-sources a:hover{text-decoration:underline}.chat-source-site{margin-left:6px;color:var(--text-muted);opacity:.8}.chat-sources-note{margin:6px 0 0;opacity:.85}.chat-search-notice,.chat-sources-note{font-size:var(--text-xs);color:var(--text-muted)}.chat-search-notice{margin:0;padding:6px 10px;border-radius:6px;background:var(--surface-subtle,#f4f5f7)}.chat-fact-warning{margin:0;padding:8px 12px;border:1px solid rgba(180,83,9,.35);border-radius:6px;background:rgba(180,83,9,.06);color:#92400e;font-size:var(--text-xs);line-height:1.6}@media (max-width:720px){.chat-net-toggle{padding:3px 6px 3px 3px}.chat-attach .chat-net-toggle{margin-left:0}}.chat-backdrop{display:none}@media (max-width:860px){.chat-root{position:relative}.chat-history{display:none}.chat-history.is-open{display:flex;position:absolute;top:0;left:0;bottom:0;z-index:30;width:min(300px,86vw);border-right:1px solid var(--line);box-shadow:var(--shadow-modal)}.chat-backdrop{display:block;position:absolute;inset:0;z-index:25;background:rgba(15,23,42,.32)}.chat-head>.mk-ib:first-child{display:inline-flex}.chat-messages{padding:var(--space-16) var(--space-12)}}.chat-legacy-notice{position:fixed;left:50%;top:var(--space-16);transform:translateX(-50%);z-index:40;display:flex;align-items:center;gap:var(--space-10);max-width:min(720px,92vw);padding:var(--space-10) var(--space-12);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--bg-surface);box-shadow:var(--shadow-modal);font-size:var(--text-sm);color:var(--text-secondary);line-height:1.6}.chat-legacy-close{flex:none;border:0;background:none;padding:0;font:inherit;font-size:var(--text-sm);color:var(--accent-500);cursor:pointer}.chat-quota-note{flex:none;display:flex;align-items:center;justify-content:space-between;gap:var(--space-10);margin:0;padding:var(--space-6) var(--space-16);font-size:var(--text-xs);color:var(--wz-amber-fg);background:var(--wz-amber-bg)}.chat-quota-close{flex:none;border:0;background:none;padding:0;font:inherit;font-size:var(--text-xs);color:var(--accent-500);cursor:pointer}.chat-attach{gap:var(--space-8)}.chat-attach,.chat-attach-list{display:flex;align-items:center;flex-wrap:wrap}.chat-attach-list{gap:var(--space-6);min-width:0}.chat-attach-item{display:inline-flex;align-items:center;gap:var(--space-4);max-width:260px;padding:2px 4px 2px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-app);font-size:var(--text-xs);color:var(--text-secondary)}.chat-attach-item.is-expired{border-color:var(--status-danger);color:var(--status-danger)}.chat-attach-name{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-attach-purpose{flex:none;color:var(--text-muted)}.chat-attach-bad{flex:none;font-weight:600}.chat-attach-drop{flex:none;border:0;background:none;padding:0 4px;font:inherit;color:inherit;cursor:pointer;opacity:.7}.chat-attach-drop:hover{opacity:1}.chat-attach-add{border:1px dashed var(--line);background:none;border-radius:var(--radius-sm);padding:2px 8px;font:inherit;font-size:var(--text-xs);color:var(--text-muted);cursor:pointer}.chat-attach-add:hover:not(:disabled){border-color:var(--accent-500);color:var(--accent-500)}.chat-attach-add:disabled{cursor:not-allowed;opacity:.5}html.in-app .chat-composer{padding-bottom:calc(var(--space-16) + env(safe-area-inset-bottom, 0px))}@media (max-width:860px){html.in-app .chat-composer .chat-hint{display:none}}html.in-app .chat-composer{padding-bottom:calc(var(--space-10) + env(safe-area-inset-bottom, 0px))}html.in-app .chat-composer-foot{flex-direction:column;align-items:stretch;gap:var(--space-8)}html.in-app .chat-composer-foot .mk-btn{width:100%;height:44px;justify-content:center;font-size:var(--fs-15)}html.in-app .chat-root{height:calc(100dvh - 48px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px))}html.in-app-native .chat-root{height:calc(100dvh - 12px - env(safe-area-inset-bottom, 0px))}.chat-history-close{display:none}@media (max-width:860px){.chat-history-close{display:inline-flex}}.chat-bubble--pending{display:flex;align-items:center;min-height:24px}.chat-typing{display:inline-flex;align-items:center;gap:4px}.chat-typing i{width:6px;height:6px;border-radius:50%;background:var(--text-faint);animation:chat-typing-bounce 1.2s ease-in-out infinite}.chat-typing i:nth-child(2){animation-delay:.15s}.chat-typing i:nth-child(3){animation-delay:.3s}@keyframes chat-typing-bounce{0%,60%,to{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.chat-caret{display:inline-block;width:2px;height:1em;margin-left:2px;vertical-align:text-bottom;background:var(--accent-500);animation:chat-caret-blink 1s step-end infinite}@keyframes chat-caret-blink{0%,50%{opacity:1}50.01%,to{opacity:0}}@media (prefers-reduced-motion:reduce){.chat-typing i{animation:none;opacity:.6}.chat-caret{animation:none}}.chat-attach-pending{font-size:var(--text-xs);color:var(--accent-600)}.sel-polish{position:fixed;z-index:60;transform:translate(-50%,-100%);display:flex;align-items:center;gap:2px;padding:6px;border:1px solid var(--border-default);border-radius:var(--radius-lg);background:var(--bg-surface);box-shadow:var(--shadow-lg)}.sel-polish.is-below{transform:translate(-50%)}.sel-polish>button{border:0;background:none;padding:5px 8px;border-radius:var(--radius-md);font:inherit;font-size:var(--text-sm);color:var(--text-secondary);cursor:pointer;white-space:nowrap}.sel-polish>button:hover{background:var(--bg-hover);color:var(--text-primary)}.sel-polish>button:disabled{color:var(--text-faint);cursor:default}.sel-polish-req{display:inline-flex;align-items:center;gap:4px;padding-left:4px;border-left:1px solid var(--border-subtle)}.sel-polish-req input{width:150px;height:28px;padding:0 8px;border:1px solid var(--border-input);border-radius:var(--radius-md);font:inherit;font-size:var(--text-sm)}.sel-polish-busy,.sel-polish-err{padding:0 6px;font-size:var(--text-xs)}.sel-polish-busy{color:var(--text-muted)}.sel-polish-err{color:var(--status-danger);max-width:240px;line-height:1.4}.wz-wenku{max-width:1080px;margin:0 auto;padding:var(--page-padding-top) var(--space-24) var(--space-64);font-family:var(--font-sans);color:var(--text-primary);gap:var(--space-20)}.wz-wenku,.wz-wenku-hero{display:flex;flex-direction:column}.wz-wenku-hero{gap:var(--space-16)}.wz-wenku-h1{margin:0;font-family:var(--font-serif);font-size:var(--text-4xl);font-weight:700;line-height:var(--leading-snug);letter-spacing:.04em;color:var(--text-primary)}.wz-wenku-search{display:flex;align-items:center;gap:var(--space-8);height:var(--control-xl);padding:0 var(--space-8) 0 var(--space-14);background:var(--bg-surface);border:1px solid var(--border-input);border-radius:var(--radius-xl);transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.wz-wenku-search:focus-within{border-color:var(--focus-ring);box-shadow:0 0 0 3px var(--focus-ring-soft)}.wz-wenku-search-icon{display:flex;color:var(--text-faint);flex:none}.wz-wenku-search-input{flex:1 1;min-width:0;height:100%;border:0;outline:0;background:transparent;font:inherit;font-size:var(--text-lg);color:var(--text-primary)}.wz-wenku-search-input::placeholder{color:var(--text-faint)}.wz-wenku-search-compact{height:var(--control-lg);border-radius:var(--radius-lg)}.wz-wenku-search-compact .wz-wenku-search-input{font-size:var(--text-base)}.wz-wenku-topbar{width:100%}.wz-wenku-hotwords{display:flex;align-items:baseline;gap:var(--space-12);flex-wrap:wrap}.wz-wenku-hotwords-label{font-size:var(--text-sm);color:var(--text-muted);flex:none}.wz-wenku-hotwords-list{display:flex;gap:var(--space-8);flex-wrap:wrap}.wz-wenku-hotword{border:1px solid var(--border-subtle);background:var(--bg-surface);border-radius:var(--radius-pill);padding:4px 12px;font:inherit;font-size:var(--text-sm);color:var(--text-secondary);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.wz-wenku-hotword:hover{background:var(--bg-hover);color:var(--text-primary)}.wz-wenku-hotword:active{transform:scale(.98)}.wz-wenku-tabs{display:flex;gap:var(--space-6);align-items:center;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;white-space:nowrap;padding-bottom:2px}.wz-wenku-tabs::-webkit-scrollbar{display:none}.wz-wenku-tab{display:inline-flex;align-items:center;gap:5px;flex:none;border:0;background:transparent;border-radius:var(--radius-md);padding:7px 14px;font:inherit;font-weight:var(--weight-regular);color:var(--text-muted);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.wz-wenku-tabs-l1 .wz-wenku-tab{font-size:var(--text-lg);padding:8px 16px}.wz-wenku-tabs-l2 .wz-wenku-tab{font-size:var(--text-base);padding:5px 12px}.wz-wenku-tab:hover{background:var(--bg-hover);color:var(--text-primary)}.wz-wenku-tab:active{transform:scale(.98)}.wz-wenku-tabs-l1 .wz-wenku-tab.is-active{background:var(--bg-selected);color:var(--text-primary);font-weight:var(--weight-medium)}.wz-wenku-tabs-l2 .wz-wenku-tab.is-active{background:var(--bg-inverse);color:var(--text-inverse);font-weight:var(--weight-medium)}.wz-wenku-tab-rec{font-size:var(--text-xs);line-height:1;padding:2px 5px;border-radius:var(--radius-sm);background:var(--accent-100);color:var(--accent-600)}.wz-wenku-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:var(--space-16);gap:var(--space-16)}.wz-wenku-tagcard{display:flex;flex-direction:column;gap:var(--space-10);padding:var(--space-16) var(--space-16) var(--space-12);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);min-width:0}.wz-wenku-tagcard-head{display:flex;align-items:center;gap:var(--space-8);min-width:0}.wz-wenku-tagcard-title{margin:0;font-size:var(--text-lg);font-weight:var(--weight-semibold);color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wz-wenku-tagcard-hot{flex:none;font-size:var(--text-xs);line-height:1;padding:2px 5px;border-radius:var(--radius-sm);background:var(--accent-100);color:var(--accent-600)}.wz-wenku-tagcard-more{margin-left:auto;flex:none;display:inline-flex;align-items:center;gap:2px;font-size:var(--text-sm);color:var(--text-link);text-decoration:none}.wz-wenku-tagcard-more:hover{color:var(--text-link-hover)}.wz-wenku-tagcard-files{display:flex;flex-direction:column;gap:1px}.wz-wenku-tagcard-none{font-size:var(--text-sm);color:var(--text-faint);padding:6px 0}.wz-wenku-fileline{display:flex;align-items:center;gap:var(--space-8);padding:6px var(--space-8);border-radius:var(--radius-md);font-size:var(--text-base);color:var(--text-secondary);text-decoration:none;min-width:0;transition:background var(--duration-fast) var(--ease-out)}.wz-wenku-fileline:hover{background:var(--bg-hover);color:var(--text-primary)}.wz-wenku-fileline-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.wz-wenku-fileline-ext{margin-left:auto;flex:none;font-size:var(--text-xs);color:var(--text-faint);letter-spacing:.02em}.wz-wenku-list{display:flex;flex-direction:column;gap:var(--space-8)}.wz-wenku-card{display:flex;align-items:flex-start;gap:var(--space-14);padding:var(--space-14) var(--space-16);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);text-decoration:none;color:inherit;min-width:0;transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.wz-wenku-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-xs)}.wz-wenku-card:active{transform:scale(.998)}.wz-wenku-card-skeleton{pointer-events:none}.wz-wenku-card-thumb{position:relative;flex:none;display:flex;flex-direction:column;align-items:center;gap:4px}.wz-wenku-card-paper{width:34px;height:45px;padding:5px 4px;gap:3px}.wz-wenku-card-ext{font-size:var(--text-xs);color:var(--text-faint);letter-spacing:.02em}.wz-wenku-card-body{display:flex;flex-direction:column;gap:5px;min-width:0;flex:1 1}.wz-wenku-card-title{font-size:var(--text-lg);font-weight:var(--weight-medium);color:var(--text-primary);line-height:var(--leading-snug);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.wz-wenku-card:hover .wz-wenku-card-title{color:var(--text-link)}.wz-wenku-card-desc{font-size:var(--text-sm);color:var(--text-muted);line-height:var(--leading-normal);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.wz-wenku-card-meta{display:flex;align-items:center;gap:var(--space-8);font-size:var(--text-xs);color:var(--text-faint)}.wz-wenku-crumb{display:flex;align-items:center;gap:4px;flex-wrap:wrap;font-size:var(--text-sm);color:var(--text-muted)}.wz-wenku-crumb a{color:var(--text-muted);text-decoration:none}.wz-wenku-crumb a:hover{color:var(--text-link)}.wz-wenku-crumb-sep{display:inline-flex;color:var(--text-faint)}.wz-wenku-crumb-cur{color:var(--text-primary)}.wz-wenku-parent{display:inline-flex;align-items:center;gap:5px;align-self:flex-start;font-size:var(--text-xs);color:var(--text-muted);padding:2px 8px 2px 6px;border-radius:var(--radius-pill);background:var(--bg-hover)}.wz-wenku-count{font-size:var(--text-sm);color:var(--text-muted);min-height:1.2em}.wz-wenku-listend{display:flex;justify-content:center;padding:var(--space-12) 0 var(--space-4)}.wz-wenku-listend-text{display:inline-flex;align-items:center;gap:4px;font-size:var(--text-sm);color:var(--text-faint)}.wz-wenku-pager{display:flex;align-items:center;justify-content:center;gap:var(--space-12);flex-wrap:wrap;padding:var(--space-8) 0}.wz-wenku-pager-nums{display:flex;align-items:center;gap:2px}.wz-wenku-pager-num{min-width:32px;height:32px;padding:0 6px;border:0;border-radius:var(--radius-md);background:transparent;font:inherit;font-size:var(--text-base);color:var(--text-secondary);cursor:pointer;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.wz-wenku-pager-num:hover{background:var(--bg-hover)}.wz-wenku-pager-num.is-active{background:var(--bg-inverse);color:var(--text-inverse);font-weight:var(--weight-medium)}.wz-wenku-pager-gap{min-width:20px;text-align:center;color:var(--text-faint);font-size:var(--text-base)}.wz-wenku-search-title{margin:0;font-family:var(--font-serif);font-size:var(--text-3xl);font-weight:700;letter-spacing:.02em;color:var(--text-primary)}.wz-wenku-empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-8);padding:var(--space-64) var(--space-24);color:var(--text-primary)}.wz-wenku-empty-inline{padding:var(--space-24) var(--space-16)}.wz-wenku-empty-page{padding:var(--space-92) var(--space-24)}.wz-wenku-empty-icon{width:44px;height:44px;border-radius:var(--radius-xl);border:1px dashed var(--gray-300);display:flex;align-items:center;justify-content:center;color:var(--text-muted);margin-bottom:6px}.wz-wenku-empty-title{margin:0;font-size:var(--text-xl);font-weight:var(--weight-regular);letter-spacing:-.01em}.wz-wenku-empty-desc{margin:0;font-size:var(--text-base);color:var(--text-muted);line-height:var(--leading-normal);max-width:340px;text-wrap:pretty}.wz-wenku-error{display:flex;align-items:center;gap:var(--space-12);padding:var(--space-14) var(--space-16);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:var(--bg-surface);font-size:var(--text-base);color:var(--status-danger)}.wz-wenku-error>:last-child{margin-left:auto}.wz-wenku-loading{display:flex;flex-direction:column;gap:var(--space-16)}.wz-wenku-note{margin-top:var(--space-16);padding-top:var(--space-16);border-top:1px solid var(--border-subtle);font-size:var(--text-sm);line-height:var(--leading-relaxed);color:var(--text-faint)}.wz-wenku-preview{max-width:1080px}.wz-wenku-doc-wrap{display:grid;grid-template-columns:minmax(0,1fr) 220px;grid-gap:var(--space-24);gap:var(--space-24);align-items:stretch}.wz-wenku-doc{gap:var(--space-20);padding:var(--space-36) var(--space-36) var(--space-48);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl);min-width:0}.wz-wenku-doc,.wz-wenku-doc-head{display:flex;flex-direction:column}.wz-wenku-doc-head{gap:var(--space-10);padding-bottom:var(--space-16);border-bottom:1px solid var(--border-subtle)}.wz-wenku-doc-title-row{display:flex;align-items:flex-start;gap:var(--space-8);min-width:0}.wz-wenku-doc-icon{color:var(--text-muted);margin-top:6px;flex:none}.wz-wenku-doc-title{margin:0;font-family:var(--font-serif);font-size:var(--text-3xl);font-weight:700;line-height:var(--leading-snug);letter-spacing:.02em;color:var(--text-primary);word-break:break-word}.wz-wenku-doc-meta{display:flex;align-items:center;gap:var(--space-12);flex-wrap:wrap;font-size:var(--text-sm);color:var(--text-muted)}.wz-wenku-doc-free{font-size:var(--text-xs);line-height:1;padding:2px 6px;border-radius:var(--radius-sm);background:oklch(.95 .05 150);color:oklch(.45 .12 150)}.wz-wenku-doc-body-wrap{position:relative}.wz-wenku-doc-body{position:relative;font-family:var(--font-serif);font-size:var(--text-lg);line-height:1.9;color:var(--text-primary);word-break:break-word}.wz-wenku-doc-body p{margin:0 0 .9em;text-indent:2em}.wz-wenku-doc-body p:last-child{margin-bottom:0}.wz-wenku-doc-empty{font-family:var(--font-sans);font-size:var(--text-base);color:var(--text-faint);text-indent:0;padding:var(--space-24) 0}.wz-wenku-doc-body.is-locked{padding-bottom:210px;-webkit-mask-image:linear-gradient(180deg,#000 62%,transparent);mask-image:linear-gradient(180deg,#000 62%,transparent)}.wz-wenku-paywall{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:center;padding-bottom:var(--space-8);font-family:var(--font-sans)}.wz-wenku-paywall-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-8);width:100%;max-width:520px;padding:var(--space-20) var(--space-24);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-2xl);box-shadow:var(--shadow-menu)}.wz-wenku-paywall-icon{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--accent-100);color:var(--accent-600)}.wz-wenku-paywall-title{margin:0;font-size:var(--text-lg);font-weight:var(--weight-medium);color:var(--text-primary);text-align:center}.wz-wenku-paywall-desc{margin:0;font-size:var(--text-sm);color:var(--text-muted);text-align:center}.wz-wenku-paywall-actions{display:flex;gap:var(--space-10);margin-top:2px;flex-wrap:wrap;justify-content:center}.wz-wenku-doc-actions{position:-webkit-sticky;position:sticky;top:calc(var(--topbar-height) + var(--space-16))}.wz-wenku-doc-actions-card{display:flex;flex-direction:column;gap:var(--space-8);padding:var(--space-14);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-2xl)}.wz-wenku-doc-vip{align-self:flex-start;font-size:var(--text-xs);line-height:1;padding:3px 7px;border-radius:var(--radius-sm);background:var(--accent-100);color:var(--accent-600);margin-bottom:2px}.wz-wenku-doc-actions-note{margin:2px 0 0;font-size:var(--text-xs);line-height:var(--leading-normal);color:var(--text-faint)}@media (max-width:1024px){.wz-wenku{padding:var(--space-36) var(--space-20) var(--space-48)}.wz-wenku-doc-wrap{grid-template-columns:minmax(0,1fr)}.wz-wenku-doc-actions{position:static;order:-1}.wz-wenku-doc-actions-card{flex-direction:row;flex-wrap:wrap;align-items:center}.wz-wenku-doc-actions-card>:is(.mk-btn){width:auto;flex:1 1 120px}.wz-wenku-doc-actions-note{flex:1 1 100%;order:9}.wz-wenku-doc{padding:var(--space-24) var(--space-20) var(--space-36)}}@media (max-width:820px){.wz-wenku-cards{grid-template-columns:minmax(0,1fr)}}@media (max-width:720px){.wz-wenku{padding:var(--space-24) var(--space-14) var(--space-36);gap:var(--space-16)}.wz-wenku-h1{font-size:24px}.wz-wenku-search{height:44px;border-radius:var(--radius-lg);padding-left:var(--space-12)}.wz-wenku-search-input{font-size:var(--text-base)}.wz-wenku-tabs-l1 .wz-wenku-tab{font-size:var(--text-base);padding:6px 12px}.wz-wenku-doc-title{font-size:var(--text-xl)}.wz-wenku-doc-body{font-size:var(--text-base)}.wz-wenku-doc-body.is-locked{padding-bottom:250px}.wz-wenku-paywall-card{padding:var(--space-16);max-width:none}.wz-wenku-paywall-actions{width:100%}.wz-wenku-paywall-actions>*{flex:1 1 100%}.wz-wenku-pager{gap:var(--space-8)}.wz-wenku-pager-nums{order:3;flex:1 1 100%;justify-content:center}.wz-wenku-search-title{font-size:var(--text-xl)}.wz-wenku-card{padding:var(--space-12);gap:var(--space-12)}.wz-wenku-card-title{font-size:var(--text-base)}}@media (prefers-reduced-motion:reduce){.wz-wenku-card:active,.wz-wenku-hotword:active,.wz-wenku-tab:active{transform:none}}.wz-wenku-doc-empty{display:flex;flex-direction:column;align-items:center;gap:var(--space-8);padding:var(--space-32) var(--space-16);text-align:center}.wz-wenku-doc-empty-hint{margin:0;color:var(--text-muted);font-size:var(--text-sm)}