.editor-paper{background:#fff;min-height:1056px;width:816px;max-width:100%;margin:0 auto;padding:72px 96px;font-family:Arial,sans-serif;font-size:14px;line-height:1.6;color:#000;box-shadow:var(--shadow-4);border-radius:var(--radius-sm);transform-origin:top center;transform:scale(var(--zoom, 1));word-wrap:break-word;overflow-wrap:break-word}.editor-paper:focus{outline:none}.editor-paper ul{list-style-type:disc!important;margin:.5em 0;padding-left:2em!important}.editor-paper ol{list-style-type:decimal!important;margin:.5em 0;padding-left:2em!important}.editor-paper li{display:list-item!important;margin:.2em 0}.editor-paper ul ul{list-style-type:circle!important}.editor-paper ul ul ul{list-style-type:square!important}.editor-paper p{margin:0 0 .5em}.editor-paper p:last-child{margin-bottom:0}.editor-paper h1{font-size:2em;font-weight:700;margin:.67em 0;line-height:1.2}.editor-paper h2{font-size:1.5em;font-weight:600;margin:.75em 0;line-height:1.25}.editor-paper h3{font-size:1.17em;font-weight:600;margin:.83em 0;line-height:1.3}.editor-paper h4,.editor-paper h5,.editor-paper h6{font-weight:600;margin:1em 0;line-height:1.4}.editor-paper blockquote{margin:.5em 0 .5em 1em;padding-left:1em;border-left:3px solid #ebebeb;color:#4d4d4d}.editor-paper pre{background:#f5f5f5;border-radius:4px;padding:.75em 1em;overflow-x:auto;font-family:Geist Mono,ui-monospace,monospace;font-size:13px}.editor-paper code{font-family:Geist Mono,ui-monospace,monospace;font-size:13px;background:#f5f5f5;padding:.1em .3em;border-radius:3px}.editor-paper a{color:#0070f3}.editor-paper hr{border:none;border-top:1px solid #ebebeb;margin:1em 0}#editor-zoom-wrapper{transform-origin:top center}.nn-app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden}.nn-editor-area{display:flex;flex:1;overflow:hidden}.nn-editor-viewport{flex:1;overflow-y:auto;background:var(--color-canvas-soft-2)}.nn-editor-pad{padding:24px 24px 0}.toolbar-btn{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:26px;border-radius:4px;border:none;background:transparent;color:var(--color-ink);cursor:pointer;font-size:12px;font-family:var(--font-sans);transition:background-color .1s;padding:0 4px;flex-shrink:0;white-space:nowrap;gap:4px}.toolbar-btn:hover{background-color:var(--color-canvas-soft-2)}.toolbar-btn[aria-pressed=true],.toolbar-btn.active{background-color:var(--color-canvas-soft-2);color:var(--color-primary)}.toolbar-btn:disabled,.toolbar-btn[aria-disabled=true]{opacity:.35;pointer-events:none}.toolbar-sep{width:1px;height:18px;background-color:var(--color-hairline);margin:0 3px;flex-shrink:0}.nn-menubar{display:flex;align-items:center;gap:0;height:32px;background:var(--color-canvas);border-bottom:1px solid var(--color-hairline);padding:0 8px;flex-shrink:0;user-select:none}.nn-menu-item{position:relative}.nn-menu-trigger{display:inline-flex;align-items:center;gap:4px;padding:0 10px;height:32px;border:none;background:transparent;color:var(--color-ink);font-size:13px;font-family:var(--font-sans);cursor:pointer;border-radius:4px;white-space:nowrap;transition:background-color .1s}.nn-menu-trigger:hover,.nn-menu-trigger.open{background-color:var(--color-canvas-soft-2)}.nn-dropdown{position:absolute;top:100%;left:0;min-width:200px;background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-5);padding:4px;z-index:1000;display:none}.nn-dropdown.open{display:block}.nn-dropdown-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 10px;border-radius:4px;cursor:pointer;color:var(--color-ink);font-size:13px;font-family:var(--font-sans);border:none;background:none;width:100%;text-align:left;white-space:nowrap}.nn-dropdown-item:hover{background:var(--color-canvas-soft-2)}.nn-dropdown-item.disabled{opacity:.4;pointer-events:none}.nn-dropdown-item 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4px;cursor:pointer;outline:none}.toolbar-select:focus{border-color:var(--color-hairline-strong)}.toolbar-color-btn{position:relative;width:26px;height:26px;border-radius:4px;border:1px solid var(--color-hairline);cursor:pointer;background:transparent;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;overflow:visible}.toolbar-color-btn input[type=color]{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.toolbar-color-swatch{width:12px;height:12px;border-radius:2px;pointer-events:none;border:1px solid rgba(0,0,0,.1);display:block}.nn-tab{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:5px 5px 0 0;border:1px solid var(--color-hairline);border-bottom:none;background:var(--color-canvas-soft-2);color:var(--color-mute);font-size:12px;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;max-width:160px;transition:background-color .1s,color 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.1s;border:none;background:none;width:100%;text-align:left;font-size:13px;font-family:var(--font-sans)}.nn-context-menu-item:hover{background:var(--color-canvas-soft-2)}.nn-context-menu-item.danger{color:var(--color-error)}.nn-context-menu-sep{height:1px;background:var(--color-hairline);margin:4px 0}.color-swatches{display:flex;gap:4px;padding:6px 10px;flex-wrap:wrap}.color-swatch{width:18px;height:18px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .1s,border-color .1s}.color-swatch:hover{transform:scale(1.2)}.color-swatch.selected{border-color:var(--color-primary)}.color-swatch-none{border:1px solid var(--color-hairline);background:var(--color-canvas);position:relative}.color-swatch-none:after{content:"";position:absolute;inset:2px;background:linear-gradient(45deg,transparent 45%,var(--color-error) 45%,var(--color-error) 55%,transparent 55%)}.nn-modal-backdrop{position:fixed;inset:0;background:#0000004d;z-index:500;display:flex;align-items:flex-start;justify-content:center;padding-top:80px}.nn-modal{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);box-shadow:var(--shadow-5);width:480px;max-width:calc(100vw - 32px);overflow:hidden}.nn-modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px 10px;border-bottom:1px solid var(--color-hairline)}.nn-modal-title{font-size:14px;font-weight:500;color:var(--color-ink)}.nn-modal-close{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:4px;border:none;background:transparent;color:var(--color-mute);cursor:pointer;font-size:16px}.nn-modal-close:hover{background:var(--color-canvas-soft-2);color:var(--color-ink)}.nn-modal-body{padding:14px 18px}.nn-input{width:100%;height:34px;border:1px solid var(--color-hairline);border-radius:var(--radius-sm);background:var(--color-canvas);color:var(--color-ink);font-size:13px;font-family:var(--font-sans);padding:0 10px;outline:none;transition:border-color .1s}.nn-input:focus{border-color:var(--color-hairline-strong)}.nn-modal-footer{display:flex;align-items:center;gap:6px;padding:10px 18px 14px;justify-content:flex-end}.nn-btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;height:30px;padding:0 10px;border-radius:5px;border:1px solid var(--color-hairline);background:var(--color-canvas);color:var(--color-ink);font-size:12px;font-family:var(--font-sans);font-weight:500;cursor:pointer;transition:background-color .1s;white-space:nowrap}.nn-btn:hover{background:var(--color-canvas-soft-2)}.nn-btn-primary{background:var(--color-primary);color:var(--color-on-primary);border-color:transparent}.nn-btn-primary:hover{opacity:.9;background:var(--color-primary)}.nn-highlight{background-color:#fff3a0;border-radius:2px}.nn-highlight-active{background-color:orange}.app-statusbar{flex-shrink:0}.shortcuts-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px}kbd{display:inline-flex;align-items:center;justify-content:center;padding:2px 6px;border-radius:4px;border:1px solid var(--color-hairline);background:var(--color-canvas-soft-2);font-size:11px;font-family:var(--font-mono);color:var(--color-body);white-space:nowrap}.nn-toast-container{position:fixed;bottom:48px;left:50%;transform:translate(-50%);z-index:2000;display:flex;flex-direction:column;gap:8px;pointer-events:none}.nn-toast{background:var(--color-primary);color:var(--color-on-primary);padding:8px 16px;border-radius:var(--radius-md);font-size:13px;box-shadow:var(--shadow-4);animation:toast-in .2s ease,toast-out .2s ease 2.8s forwards;pointer-events:none;white-space:nowrap}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1}to{opacity:0}}.fullscreen-mode .nn-menubar,.fullscreen-mode .nn-format-panel,.fullscreen-mode .app-tabbar,.fullscreen-mode .app-statusbar{display:none}.fullscreen-mode .editor-paper{width:100%;max-width:860px}.fullscreen-floating-bar{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:var(--radius-pill);box-shadow:var(--shadow-5);display:flex;align-items:center;gap:4px;padding:4px 12px;opacity:0;transition:opacity .2s;z-index:100;pointer-events:none}.fullscreen-mode:hover .fullscreen-floating-bar,.fullscreen-mode .fullscreen-floating-bar:hover{opacity:1;pointer-events:auto}.nn-seo-section{background:var(--color-canvas-soft);border-top:1px solid var(--color-hairline);padding:32px 40px;max-width:816px;margin:32px auto;border-radius:var(--radius-md)}.nn-seo-section h1,.nn-seo-section h2{font-size:18px;font-weight:600;color:var(--color-ink);margin:0 0 8px;letter-spacing:-.3px}.nn-seo-section h3{font-size:14px;font-weight:600;color:var(--color-ink);margin:16px 0 4px}.nn-seo-section p{font-size:13px;color:var(--color-body);line-height:1.7;margin:0 0 8px}.nn-seo-section ul{font-size:13px;color:var(--color-body);line-height:1.7;padding-left:1.4em;margin:0 0 8px}.nn-ad-sidebar{display:none;width:320px;flex-shrink:0;background:var(--color-canvas);border-left:1px solid var(--color-hairline);flex-direction:column;gap:16px;padding:16px;overflow-y:auto}.nn-ad-sidebar:has(ins.adsbygoogle[data-ad-status=filled]){display:flex}[data-theme=dark] .editor-paper blockquote{border-left-color:var(--color-hairline-strong);color:var(--color-body)}[data-theme=dark] .editor-paper pre,[data-theme=dark] .editor-paper code{background:var(--color-canvas-soft-2);color:var(--color-ink)}[data-theme=dark] .editor-paper hr{border-top-color:var(--color-hairline)}[data-theme=dark] kbd{background:var(--color-canvas-soft);border-color:var(--color-hairline-strong);color:var(--color-body)}@media print{.nn-menubar,.nn-format-panel,.app-tabbar,.app-statusbar,.nn-toast-container,.nn-ad-sidebar{display:none!important}.editor-viewport{overflow:visible!important;padding:0!important;background:#fff!important}.editor-paper{box-shadow:none!important;margin:0!important;padding:0!important;width:100%!important;transform:none!important;border-radius:0!important;min-height:unset!important}}@media(max-width:640px){.nn-editor-pad{padding:15px 15px 0}.editor-paper{padding:20px 15px;min-height:480px}.nn-format-panel{gap:1px;padding:2px 4px}.toolbar-select{max-width:80px}.nn-menubar{overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.nn-menubar::-webkit-scrollbar{display:none}#tb-zoom-out-btn,#tb-zoom-label,#tb-zoom-in-btn{display:none}.nn-menu-trigger{padding:0 7px;font-size:12px}.nn-menu-item[data-menu=view],.nn-menu-item[data-menu=help]{display:none}}