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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<title>思维导图极速版</title>
<style>
:root { --font-size-base: 14px; --bg-primary: #0b1020; --bg-secondary: #0e1118; --bg-tertiary: rgba(14, 17, 24, 0.55); --bg-card: rgba(0, 0, 0, 0.82); --text-primary: rgba(235, 240, 255, 0.92); --text-secondary: rgba(235, 240, 255, 0.7); --text-muted: rgba(235, 240, 255, 0.5); --border-color: rgba(255, 255, 255, 0.14); --border-hover: rgba(255, 255, 255, 0.22); --accent-color: #00ff88; --accent-bg: rgba(0, 255, 136, 0.12); --accent-border: rgba(0, 255, 136, 0.35); --link-color: #4ea1ff; --warning-color: #ffaa00; --error-color: #ff6666; --success-color: #00ff88; --node-root-bg: #6c5ce7; --node-root-border: #a29bfe; --node-root-text: #ffffff; --node-level1-bg: #4a4e69; --node-level1-border: #6c6f8d; --node-level1-text: #f0f0f0; --node-default-bg: #2d2f4a; --node-default-border: #4a5b8c; --node-default-text: #d4d4d8; --node-selected-bg: #7e68ff; --node-selected-border: #00ff88; --line-color: #4a5b8c; --hover-color: #4a5b8c; --minimap-bg: rgba(13, 17, 23, 0.3); --search-bg: rgba(14, 17, 24, 0.80); --canvas-bg: #0d1117; --btn-bg: rgba(255, 255, 255, 0.06); --btn-hover-bg: rgba(255, 255, 255, 0.09); --btn-hover-bg-strong: rgba(255, 255, 255, 0.12); --btn-active-bg: rgba(255, 255, 255, 0.10); --menu-hover-bg: rgba(255, 255, 255, 0.07); --modal-header-bg: rgba(0, 0, 0, 0.6); --divider-bg: rgba(255, 255, 255, 0.10); --scrollbar-track: rgba(255, 255, 255, 0.06); --scrollbar-thumb: rgba(255, 255, 255, 0.25); --scrollbar-thumb-hover: rgba(255, 255, 255, 0.4); --focus-ring: rgba(255, 255, 255, 0.12); --focus-ring-menu: rgba(255, 255, 255, 0.10); --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.45); --dropdown-shadow: 0 18px 50px rgba(0, 0, 0, 0.6); }
.theme-light { --bg-primary: #ffffff; --bg-secondary: #f8f9fa; --bg-tertiary: rgba(255, 255, 255, 0.85); --bg-card: rgba(255, 255, 255, 0.95); --text-primary: #1a1a2e; --text-secondary: #4a4a68; --text-muted: #8a8a9a; --border-color: rgba(0, 0, 0, 0.12); --border-hover: rgba(0, 0, 0, 0.2); --accent-color: #00c853; --accent-bg: rgba(0, 200, 83, 0.12); --accent-border: rgba(0, 200, 83, 0.35); --link-color: #1e88e5; --warning-color: #ff9800; --error-color: #f44336; --success-color: #00c853; --node-root-bg: #00af54; --node-root-border: #10b981; --node-root-text: #ffffff; --node-level1-bg: #f1f5f9; --node-level1-border: #94a3b8; --node-level1-text: #1e293b; --node-default-bg: #f1f5f9; --node-default-border: #94a3b8; --node-default-text: #334155; --node-selected-bg: #dbeafe; --node-selected-border: #6b88ff; --line-color: #94a3b8; --hover-color: #94a3b8; --minimap-bg: rgba(241, 245, 249, 0.8); --search-bg: rgba(255, 255, 255, 0.92); --canvas-bg: #f1f5f9; --btn-bg: rgba(0, 0, 0, 0.05); --btn-hover-bg: rgba(0, 0, 0, 0.06); --btn-hover-bg-strong: rgba(0, 0, 0, 0.08); --btn-active-bg: rgba(0, 0, 0, 0.08); --menu-hover-bg: rgba(0, 0, 0, 0.05); --modal-header-bg: rgba(0, 0, 0, 0.05); --divider-bg: rgba(0, 0, 0, 0.10); --scrollbar-track: rgba(0, 0, 0, 0.08); --scrollbar-thumb: rgba(0, 0, 0, 0.35); --scrollbar-thumb-hover: rgba(0, 0, 0, 0.5); --focus-ring: rgba(0, 0, 0, 0.10); --focus-ring-menu: rgba(0, 0, 0, 0.10); --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.15); --dropdown-shadow: 0 18px 50px rgba(0, 0, 0, 0.2); }
.lucide-icon { display: block; width: 14px; height: 14px; opacity: 0.9; filter: invert(92%); }
.theme-light .lucide-icon { filter: invert(20%); }
html, body { margin: 0; padding: 0; overflow: hidden; font-family: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif; background: var(--bg-primary); }
#topbar { position: fixed; top: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 4px; align-items: start; padding: 4px 6px; z-index: 20; max-width: calc(100vw - 24px); white-space: nowrap; height: auto; min-height: 28px; overflow: visible; background: var(--bg-tertiary); backdrop-filter: blur(10px); border-radius: 48px; border: 1px solid var(--border-color); }
.topbar-btn { appearance: none; border: 1px solid var(--accent-border); background: var(--accent-bg); color: var(--text-primary); font-family: monospace; font-size: var(--font-size-base); padding: 6px 10px; border-radius: 12px; cursor: pointer; transition: .2s; white-space: nowrap; flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; }
.topbar-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.topbar-btn:hover { background: rgba(0, 255, 136, 0.18); border-color: rgba(0, 255, 136, 0.55); }
.topbar-stats { padding: 6px 10px; border-radius: 12px; background: rgba(0, 0, 0, 0.6); border: 1px solid var(--border-color); color: var(--accent-color); font: 700 var(--font-size-base) monospace; white-space: nowrap; position: fixed; bottom: 12px; left: 12px; z-index: 15; }
.theme-light .topbar-stats { color: #10b981; }
.menu-btn { appearance: none; border: 1px solid var(--border-color); background: var(--btn-bg); color: var(--text-primary); font-family: inherit; font-size: var(--font-size-base); padding: 6px 10px; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; transform: translateZ(0); backface-visibility: hidden; border-radius: 10px; cursor: pointer; transition: .15s; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
.menu-btn .menu-caret { width: 12px; height: 12px; opacity: 0.75; margin-left: 1px; transform: translateY(0.5px); transition: transform 0.15s, opacity 0.15s; }
.menu-btn:hover { background: var(--btn-hover-bg); border-color: var(--border-hover); box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35); }
.menu-container:has(.menu-dropdown.show) .menu-btn { background: var(--btn-active-bg); border-color: rgba(255, 255, 255, 0.26); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4); }
.menu-container:has(.menu-dropdown.show) .menu-btn .menu-caret { transform: translateY(0.5px) rotate(180deg); opacity: 0.9; }
.menu-btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--focus-ring), 0 10px 24px rgba(0, 0, 0, 0.4); }
.menu-dropdown { position: absolute; top: calc(100% + 8px); left: 0; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 6px; min-width: 188px; display: none; flex-direction: column; gap: 2px; z-index: 100; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6); backdrop-filter: blur(10px); }
.menu-dropdown.show { display: flex; }
.menu-item { appearance: none; border: none; background: transparent; color: var(--text-primary); font-family: inherit; font-size: var(--font-size-base); padding: 8px 10px; border-radius: 10px; cursor: pointer; text-align: left; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; transform: translateZ(0); backface-visibility: hidden; transition: .15s; white-space: nowrap; display: flex; align-items: center; gap: 10px; }
.menu-item .lucide-icon { width: 14px; height: 14px; flex-shrink: 0; }
.topbar-btn:hover .lucide-icon,
.menu-item:hover .lucide-icon,
#search-panel .search-btn:hover .lucide-icon,
.modal .modal-close:hover .lucide-icon { opacity: 1; }
.menu-item .shortcut { font-size: var(--font-size-base); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; letter-spacing: 0.3px; background: rgba(255, 255, 255, 0.06); padding: 2px 6px; border-radius: 8px; border: 1px solid var(--border-color); margin-left: auto; white-space: nowrap; color: var(--text-secondary); }
.menu-item:hover { background: var(--menu-hover-bg); color: var(--text-primary); }
.menu-item:active { transform: translateY(0.5px); }
.menu-item:focus-visible { outline: none; background: var(--btn-active-bg); box-shadow: 0 0 0 3px var(--focus-ring-menu); }
.menu-item:disabled { opacity: 0.4; cursor: not-allowed; }
.menu-item:disabled:hover { background: transparent; color: #666; }
.menu-item:disabled:hover .shortcut { color: rgba(235, 240, 255, 0.35); border-color: rgba(255, 255, 255, 0.08); }
.menu-divider { height: 1px; background: var(--divider-bg); margin: 6px 6px; }
.menu-container { position: relative; }
#search-panel { position: fixed; top: 64px; right: 12px; left: auto; transform: none; z-index: 25; display: grid; grid-template-columns: 156px 34px auto; grid-auto-flow: row; column-gap: 4px; row-gap: 4px; align-items: center; justify-items: start; width: auto; max-width: calc(100vw - 24px); padding: 6px; border-radius: 10px; background: var(--search-bg); border: 1px solid var(--border-color); backdrop-filter: blur(10px); box-shadow: var(--dropdown-shadow); }
#search-panel,
#search-panel * { box-sizing: border-box; }
#search-panel .search-input { width: 156px; min-width: 156px; height: 26px; border-radius: 8px; border: 1px solid var(--border-color); background: var(--btn-bg); color: var(--text-primary); padding: 0 8px; outline: none; font-size: var(--font-size-base); }
#search-panel .search-input:focus { border-color: var(--border-hover); background: var(--btn-active-bg); }
#search-panel .search-btn { appearance: none; height: 26px; padding: 0 8px; border-radius: 8px; border: 1px solid var(--border-color); background: var(--btn-bg); color: var(--text-primary); font-size: var(--font-size-base); font-weight: 600; cursor: pointer; transition: .15s; white-space: nowrap; }
#search-panel .search-btn:hover { background: var(--btn-hover-bg); border-color: var(--border-hover); }
#search-panel .search-btn:not(.search-inline-btn):active { transform: translateY(0.5px); }
#search-panel .search-btn:disabled { opacity: 0.45; cursor: not-allowed; }
#search-panel .search-nav { display: flex; align-items: center; gap: 2px; }
#search-panel .search-actions { grid-column: 2 / -1; display: flex; align-items: center; gap: 2px; }
#search-panel .search-field { position: relative; width: 156px; min-width: 156px; }
#search-panel .search-field .search-input { width: 100%; min-width: 0; padding-right: 56px; }
#search-panel .search-inline-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 22px; min-width: 22px; height: 22px; border-radius: 7px; border: 1px solid transparent; background: transparent; }
#search-panel .search-inline-btn:hover { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.16); }
#search-panel .search-inline-btn.active { background: var(--btn-active-bg); border-color: rgba(235, 240, 255, 0.42); box-shadow: 0 0 0 1px rgba(235, 240, 255, 0.12) inset; }
#search-panel #search-ignorecase-btn { right: 4px; }
#search-panel #search-regex-btn { right: 28px; }
#search-panel .icon-btn { width: 26px; min-width: 26px; padding: 0; display: inline-flex; align-items: center; justify-content: center; font-size: 0; line-height: 0; border-radius: 8px; }
#search-panel .lucide-icon { width: 15px; height: 15px; }
#search-panel .search-btn:disabled .lucide-icon { opacity: 0.35; }
#search-panel .search-count { min-width: 34px; text-align: center; color: var(--text-secondary); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: var(--font-size-base); }
.panel-hidden { display: none !important; }
.modal { position: fixed; inset: 0; z-index: 10000; }
.modal ::-webkit-scrollbar,
textarea::-webkit-scrollbar { width: 6px; height: 6px; }
.modal ::-webkit-scrollbar-track,
textarea::-webkit-scrollbar-track { background: var(--scrollbar-track); border-radius: 3px; }
.modal ::-webkit-scrollbar-thumb,
textarea::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
.modal ::-webkit-scrollbar-thumb:hover,
textarea::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }
.modal ::-webkit-scrollbar-corner,
textarea::-webkit-scrollbar-corner { background: transparent; }
.modal .modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(4px); }
.modal .modal-card { position: absolute; top: 70px; left: 50%; transform: translateX(-50%); width: min(760px, calc(100vw - 24px)); max-height: calc(100vh - 110px); display: flex; flex-direction: column; border-radius: 12px; background: var(--bg-card); border: 1px solid var(--border-color); box-shadow: var(--card-shadow); color: var(--text-primary); }
.modal .modal-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; background: var(--modal-header-bg); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); flex-shrink: 0; border-radius: 12px 12px 0 0; }
.modal-divider { height: 1px; background: var(--divider-bg); margin: 4px 0; }
.modal-label { display: block; margin-bottom: 6px; font-weight: 700; font-size: var(--font-size-base); color: var(--text-secondary); }
.modal-select { width: 100%; padding: 8px 10px; border-radius: 8px; background: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-primary); font: var(--font-size-base) monospace; }
.modal-input { width: calc(100% - 20px); padding: 8px 10px; border-radius: 8px; background: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-primary); font: var(--font-size-base) monospace; }
.modal-textarea { width: calc(100% - 24px); height: 300px; padding: 12px; border-radius: 8px; background: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-primary); font: var(--font-size-base)/1.5 monospace; resize: vertical; white-space: pre-wrap; word-break: break-all; }
.modal .modal-title { font-family: monospace; font-size: 13px; color: var(--text-primary); font-weight: 700; }
.modal .modal-close { appearance: none; border: 1px solid var(--border-color); background: var(--btn-bg); color: var(--text-primary); font-family: monospace; font-size: 0; padding: 0; width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center; line-height: 0; border-radius: 10px; cursor: pointer; }
.modal .modal-close .lucide-icon { width: 16px; height: 16px; }
.theme-light .modal .modal-close .lucide-icon { filter: invert(10%); }
.modal .modal-body { padding: 14px; font-family: monospace; font-size: var(--font-size-base); line-height: 1.6; overflow-y: auto; flex: 1; }
.modal .help-section-title { margin: 10px 0 6px; color: var(--text-primary); font-weight: 700; }
.modal .help-list { margin: 0; padding-left: 18px; color: var(--text-secondary); }
#about-modal .modal-body { padding: 14px; font-size: 13px; line-height: 1.75; color: var(--text-primary); }
#about-modal a { color: var(--link-color); text-decoration: none; }
#about-modal a:hover { text-decoration: underline; }
.error-message { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0, 0, 0, 0.9); color: var(--error-color); padding: 20px; border-radius: 12px; z-index: 100; font-family: monospace; text-align: center; border: 1px solid var(--error-color); }
#minimap { position: fixed; bottom: 20px; right: 20px; width: 180px; height: 120px; background: var(--bg-tertiary); backdrop-filter: blur(10px); border-radius: 16px; border: 1px solid var(--border-color); box-shadow: 0 16px 44px rgba(0, 0, 0, 0.55); overflow: hidden; z-index: 10; cursor: crosshair; }
.theme-light #minimap { background: rgba(241, 245, 249, 0.9); border-color: rgba(0, 0, 0, 0.12); box-shadow: 0 16px 44px rgba(0, 0, 0, 0.2); }
#minimap canvas { width: 100%; height: 100%; }
#minimap .viewport-rect { position: absolute; border: 2px solid rgba(0, 255, 136, 0.85); background: rgba(0, 255, 136, 0.08); pointer-events: none; }
.theme-light #minimap .viewport-rect { border-color: rgba(0, 200, 83, 0.85); background: rgba(0, 200, 83, 0.08); }
#zoom-control { position: fixed; bottom: 20px; right: 212px; background: var(--bg-tertiary); backdrop-filter: blur(10px); border-radius: 12px; border: 1px solid var(--border-color); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45); padding: 4px; z-index: 10; display: flex; align-items: center; gap: 4px; }
.theme-light #zoom-control { background: rgba(241, 245, 249, 0.9); border-color: rgba(0, 0, 0, 0.12); box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15); }
#zoom-control .zoom-btn { width: 28px; height: 28px; border: none; border-radius: 8px; background: var(--btn-bg); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: .2s; }
.theme-light #zoom-control .zoom-btn { background: var(--btn-bg); }
#zoom-control .zoom-btn:hover { background: var(--btn-hover-bg-strong); }
.theme-light #zoom-control .zoom-btn:hover { background: var(--btn-hover-bg-strong); }
#zoom-control .zoom-btn:active { transform: scale(0.95); }
#zoom-control .zoom-value { font-size: var(--font-size-base); color: var(--text-primary); font-family: monospace; min-width: 40px; text-align: center; }
.save-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.75); backdrop-filter: blur(8px); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 1000; opacity: 0; visibility: hidden; transition: .25s ease; }
.save-overlay.show { opacity: 1; visibility: visible; }
.save-overlay .save-content { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 32px 48px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); }
.theme-light .save-overlay .save-content { box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15); }
.save-overlay .save-icon { width: 48px; height: 48px; animation: spin 1s linear infinite; opacity: 0.9; filter: invert(1) hue-rotate(90deg); }
.theme-light .save-overlay .save-icon { filter: invert(0) hue-rotate(90deg); }
.save-overlay .save-text { color: var(--text-primary); font-size: 16px; font-family: inherit; font-weight: 600; letter-spacing: 1px; }
.save-overlay .save-hint { color: var(--text-secondary); font-size: 13px; font-family: inherit; opacity: 0.85; }
.about-content { display: flex; flex-direction: column; gap: 10px; }
.about-content .mono { font-family: monospace; }
.about-content p { margin: 0 0 10px; }
.about-content p:last-child { margin: 0; }
.export-row { display: flex; gap: 12px; margin-bottom: 12px; }
.export-field { flex: 1; }
.export-preview-wrap { margin-bottom: 12px; }
.export-actions { display: flex; gap: 8px; justify-content: flex-end; }
.topbar-btn.accent { background: var(--accent-bg); border-color: var(--accent-border); color: var(--link-color); }
.topbar-btn.danger { background: rgba(255, 102, 102, 0.2); border-color: rgba(255, 102, 102, 0.5); color: #ff6666; }
.label-inline { display: inline; margin-bottom: 0; }
@keyframes spin {
from { transform: rotate(0deg); }
to { transform: rotate(360deg); }
}
</style>
</head>
<body>
<div id="topbar">
<div class="menu-container">
<button class="menu-btn">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/file-text.svg" />
<span>文件</span>
<img class="lucide-icon menu-caret" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-down.svg" />
</button>
<div class="menu-dropdown" id="file-menu">
<button class="menu-item" id="open-mt-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/folder-open.svg" /><span>打开</span><span class="shortcut">Ctrl+O</span></button>
<button class="menu-item" id="save-mt-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/save.svg" /><span>保存</span><span class="shortcut">Ctrl+S</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="import-md-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/upload.svg" /><span>导入 Markdown</span></button>
<button class="menu-item" id="export-md-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/download.svg" /><span>导出 Markdown</span></button>
<button class="menu-item" id="export-svg-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/file-image.svg" /><span>导出 SVG</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="new-node-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/file-plus.svg" /><span>新建导图</span></button>
</div>
</div>
<div class="menu-container">
<button class="menu-btn">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/pencil.svg" />
<span>编辑</span>
<img class="lucide-icon menu-caret" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-down.svg" />
</button>
<div class="menu-dropdown" id="node-menu">
<button class="menu-item" id="undo-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/undo-2.svg" /><span>撤销</span><span class="shortcut">Ctrl+Z</span></button>
<button class="menu-item" id="redo-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/redo-2.svg" /><span>重做</span><span class="shortcut">Ctrl+Y</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="search-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/search.svg" /><span>搜索/替换</span><span class="shortcut">Ctrl+F</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="copy-node-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/copy.svg" /><span>复制节点</span><span class="shortcut">Ctrl+C</span></button>
<button class="menu-item" id="paste-node-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/clipboard-paste.svg" /><span>粘贴节点</span><span class="shortcut">Ctrl+V</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="add-child-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/git-branch-plus.svg" /><span>添加子节点</span><span class="shortcut">Tab</span></button>
<button class="menu-item" id="add-sibling-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/plus.svg" /><span>添加同级节点</span><span class="shortcut">Enter</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="delete-node-btn" disabled><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/trash-2.svg" /><span>删除节点</span><span class="shortcut">Delete</span></button>
</div>
</div>
<div class="menu-container">
<button class="menu-btn">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/eye.svg" />
<span>视图</span>
<img class="lucide-icon menu-caret" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-down.svg" />
</button>
<div class="menu-dropdown" id="view-menu">
<button class="menu-item" id="theme-toggle-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/sun.svg" /><span>切换主题</span></button>
<button class="menu-item" id="go-root-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/home.svg" /><span>回到根节点</span><span class="shortcut">Home</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="collapse-all-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/shrink.svg" /><span>折叠所有</span></button>
<button class="menu-item" id="expand-all-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/expand.svg" /><span>展开所有</span></button>
<button class="menu-item" id="expand-level-1"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/layers.svg" /><span>展开到第1级</span></button>
<button class="menu-item" id="expand-level-2"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/layers.svg" /><span>展开到第2级</span></button>
<button class="menu-item" id="expand-level-3"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/layers.svg" /><span>展开到第3级</span></button>
<button class="menu-item" id="expand-level-4"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/layers.svg" /><span>展开到第4级</span></button>
<button class="menu-item" id="expand-level-5"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/layers.svg" /><span>展开到第5级</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="toggle-zoom-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/zoom-in.svg" /><span>缩放控制</span></button>
<button class="menu-item" id="toggle-minimap-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/map.svg" /><span>缩略图</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="toggle-stats-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/bar-chart-3.svg" /><span>节点统计</span></button>
</div>
</div>
<div class="menu-container">
<button class="menu-btn">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/play.svg" />
<span>演示</span>
<img class="lucide-icon menu-caret" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-down.svg" />
</button>
<div class="menu-dropdown" id="demo-menu">
<button class="menu-item" id="example1-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/sparkles.svg" /><span>示例1：上帝掷骰子吗？</span></button>
<button class="menu-item" id="example2-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/brain.svg" /><span>示例2：1000节点</span></button>
</div>
</div>
<div class="menu-container">
<button class="menu-btn">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/help-circle.svg" />
<span>帮助</span>
<img class="lucide-icon menu-caret" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-down.svg" />
</button>
<div class="menu-dropdown" id="help-menu">
<button class="menu-item" id="help-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/book-open.svg" /><span>操作说明</span></button>
<button class="menu-item" id="api-help-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/code.svg" /><span>接口说明</span></button>
<div class="menu-divider"></div>
<button class="menu-item" id="about-btn"><img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/badge-info.svg" /><span>关于</span></button>
</div>
</div>
</div>
<div id="stats" class="topbar-stats panel-hidden">初始化中...</div>
<div id="save-overlay" class="save-overlay">
<div class="save-content">
<img class="save-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/loader-circle.svg" />
<span class="save-text">正在保存...</span>
<span class="save-hint">文件保存中，很快就好~</span>
</div>
</div>
<div id="minimap" class="panel-hidden">
<div class="viewport-rect"></div>
</div>
<div id="zoom-control" class="panel-hidden">
<button class="zoom-btn zoom-out-btn" type="button" title="缩小">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/minus.svg" />
</button>
<span class="zoom-value">100%</span>
<button class="zoom-btn zoom-in-btn" type="button" title="放大">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/plus.svg" />
</button>
<button class="zoom-btn zoom-reset-btn" type="button" title="重置">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/rotate-ccw.svg" />
</button>
</div>
<div id="search-panel" class="panel-hidden" role="dialog" aria-label="搜索替换">
<div class="search-field">
<input id="search-input" class="search-input" placeholder="搜索节点..." />
<button id="search-ignorecase-btn" class="search-btn icon-btn search-inline-btn" title="忽略大小写" aria-label="忽略大小写">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/case-sensitive.svg" />
</button>
<button id="search-regex-btn" class="search-btn icon-btn search-inline-btn" title="正则" aria-label="正则">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/asterisk.svg" />
</button>
<input type="checkbox" id="search-regex" class="panel-hidden" tabindex="-1" aria-hidden="true" />
<input type="checkbox" id="search-ignorecase" class="panel-hidden" tabindex="-1" aria-hidden="true" />
</div>
<span id="search-count" class="search-count">0/0</span>
<div class="search-nav">
<button id="search-prev-btn" class="search-btn icon-btn" title="上一个 (Shift+Enter)" aria-label="上一个">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-left.svg" />
</button>
<button id="search-next-btn" class="search-btn icon-btn" title="下一个 (Enter)" aria-label="下一个">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/chevron-right.svg" />
</button>
</div>
<input id="replace-input" class="search-input" placeholder="替换为..." />
<div class="search-actions">
<button id="replace-one-btn" class="search-btn icon-btn" title="替换" aria-label="替换">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/replace.svg" />
</button>
<button id="replace-all-btn" class="search-btn icon-btn" title="全部替换" aria-label="全部替换">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/replace-all.svg" />
</button>
<button id="search-close-btn" class="search-btn icon-btn" title="关闭 (Esc)" aria-label="关闭">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/x.svg" />
</button>
</div>
</div>
<div id="help-modal" class="modal panel-hidden" role="dialog" aria-modal="true">
<div class="modal-backdrop"></div>
<div class="modal-card">
<div class="modal-header">
<div class="modal-title">操作说明</div>
<button id="help-close" class="modal-close" type="button" aria-label="关闭" title="关闭">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/x.svg" />
</button>
</div>
<div class="modal-body">
<div class="help-section-title">鼠标</div>
<ul class="help-list">
<li>左键单击节点：选中节点</li>
<li>Ctrl+左键单击节点：连续选择/取消选择多个节点</li>
<li>左键在空白处拖拽：矩形框选多个节点（框选过程中靠近窗口边缘会自动滚动画布）</li>
<li>拖拽选中的节点：将选中的一个或多个节点移动到目标节点下（支持拖入子节点或插入到同级位置）</li>
<li>右键拖拽：平移视口（拖拽中可移出画布继续）</li>
<li>滚轮：上下滚动画布</li>
<li>Alt+滚轮：左右滚动画布</li>
<li>Ctrl+滚轮：缩放视口</li>
<li>小地图：点击跳转到对应区域；在视口框内按住拖动可平移</li>
</ul>
<div class="help-section-title">键盘</div>
<ul class="help-list">
<li>Home：回到根节点</li>
<li>方向键：在父/子/同级节点之间导航</li>
<li>Enter：在当前节点后新增同级节点</li>
<li>Tab：为当前节点新增子节点</li>
<li>Delete / Backspace：删除选中节点（删除后优先选中同级上一个；若没有同级则选中父节点）</li>
<li>双击 / F2 / 空格：编辑当前选中节点</li>
<li>Ctrl+A：全选</li>
<li>Ctrl+C：复制选中节点（复制为文本树，多行节点用`包裹）</li>
<li>Ctrl+V：将文本粘贴为当前节点的子节点（支持`包裹的多行节点）</li>
<li>Ctrl+Z：撤销（节点增删/改名/粘贴）</li>
<li>Ctrl+Y：重做</li>
<li>Ctrl+0：重置到 100% 实际大小</li>
<li>Esc：取消编辑</li>
</ul>
</div>
</div>
</div>
<div id="api-help-modal" class="modal panel-hidden" role="dialog" aria-modal="true">
<div class="modal-backdrop"></div>
<div class="modal-card">
<div class="modal-header">
<div class="modal-title">API 接口说明</div>
<button id="api-help-close" class="modal-close" type="button" aria-label="关闭" title="关闭">
<img class="lucide-icon" src="https://unpkg.com/lucide-static@1.14.0/icons/x.svg" />
</button>
</div>
<div class="modal-body">
<div class="help-section-title">使用方式</div>
<ul class="help-list">
<li>在浏览器控制台中使用 <code>window.MindMap</code> 或直接 <code>MindMap</code> 访问接口</li>
</ul>
<div class="help-section-title">节点选择</div>
<ul class="help-list">
<li><code>MindMap.getSelectedNode()</code> - 获取当前选中的节点对象</li>
<li><code>MindMap.getSelectedNodeId()</code> - 获取当前选中节点的 ID</li>
<li><code>MindMap.selectNodeById(nodeId)</code> - 根据 ID 选中节点</li>
<li><code>MindMap.selectNodeByName(name, exact=false)</code> - 根据名称选中节点</li>
</ul>
<div class="help-section-title">节点修改</div>
<ul class="help-list">
<li><code>MindMap.setNodeName(nodeId, newName)</code> - 修改指定节点的名称</li>
<li><code>MindMap.setSelectedNodeName(newName)</code> - 修改当前选中节点的名称</li>
</ul>
<div class="help-section-title">节点添加</div>
<ul class="help-list">
<li><code>MindMap.addChild(parentId, name)</code> - 向指定父节点添加子节点</li>
<li><code>MindMap.addChildToSelected(name)</code> - 向当前选中节点添加子节点</li>
<li><code>MindMap.addChildren(parentId, names)</code> - 批量添加多个子节点</li>
</ul>
<div class="help-section-title">节点删除</div>
<ul class="help-list">
<li><code>MindMap.deleteNode(nodeId)</code> - 删除指定节点（及其子树）</li>
<li><code>MindMap.deleteSelectedNode()</code> - 删除当前选中的节点</li>
</ul>
<div class="help-section-title">节点查找</div>
<ul class="help-list">
<li><code>MindMap.findNodesByName(name, exact=false)</code> - 根据名称查找节点</li>
<li><code>MindMap.findNodeById(nodeId)</code> - 根据 ID 查找节点</li>
<li><code>MindMap.getAllNodes()</code> - 获取所有节点列表</li>
<li><code>MindMap.getNodeCount()</code> - 获取节点总数</li>
</ul>
<div class="help-section-title">折叠/展开</div>
<ul class="help-list">
<li><code>MindMap.collapseNode(nodeId)</code> - 折叠指定节点</li>
<li><code>MindMap.expandNode(nodeId)</code> - 展开指定节点</li>
<li><code>MindMap.expandAll()</code> - 展开所有节点</li>
<li><code>MindMap.collapseAll()</code> - 折叠所有节点</li>
</ul>
<div class="help-section-title">视图控制</div>
<ul class="help-list">
<li><code>MindMap.zoomTo(scale)</code> - 缩放到指定比例 (0.1-4.0)</li>
<li><code>MindMap.zoomIn()</code> - 放大 10%</li>
<li><code>MindMap.zoomOut()</code> - 缩小 10%</li>
<li><code>MindMap.resetView()</code> - 重置视图到原始状态</li>
</ul>
<div class="help-section-title">使用示例</div>
<ul class="help-list">
<li><code>MindMap.setSelectedNodeName('新名称')</code></li>
<li><code>MindMap.addChildToSelected('子节点')</code></li>
<li><code>MindMap.addChildren(0, ['A', 'B', 'C'])</code></li>
<li><code>MindMap.selectNodeById(5)</code></li>
<li><code>MindMap.deleteSelectedNode()</code></li>
</ul>
</div>
</div>
</div>
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<div class="about-content">
<div><span class="modal-label label-inline">版本号：</span><span class="mono">v2.2</span></div>
<div><span class="modal-label label-inline">作者：</span><span>Jack（<a href="mailto:topcss@gmail.com">topcss@gmail.com</a>）</span></div>
<div><span class="modal-label label-inline">开源地址：</span><span><a href="https://github.com/topcss/mindmap" target="_blank" rel="noopener noreferrer">GitHub</a></span></div>
<div class="modal-divider"></div>
<div>
<p>
十年前，我基于百度脑图开发了桌面端脑图工具 <a href="https://github.com/NaoTu/DesktopNaotu" target="_blank" rel="noopener noreferrer">DesktopNaotu</a>，并开源发布，为社区贡献了一份绵薄之力。
</p>
<p>
随着技术持续迭代，旧版本受限于早期技术架构，性能瓶颈日益凸显，也难以迭代维护。于是，我决定从零重构，打造全新版本。新版本彻底摆脱旧浏览器兼容的历史包袱，从底层架构到交互逻辑全面革新，聚焦极致用户体验与高性能两大核心，力求打磨出流畅、高效、令人惊艳的产品。
</p>
<p>
真正出色的工具，往往是 "日用而不觉"—— 好用到浑然天成，顺手到毫无阻碍。这正是我追求的目标：当用户使用时，只觉自然流畅、得心应手，毫无违和与卡顿，便是我最大的满足。
</p>
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<button id="import-close" class="modal-close" type="button" aria-label="关闭" title="关闭">
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</select>
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<label class="modal-label">Markdown内容</label>
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</div>
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const isRoot = node.parentId === null;
const style = getStyleForLevel(node.level, isRoot);
const measured = measureNodeText(style, node.name, 520);
node._width = measured.width;
node._height = measured.height;
if (cont && cont._nodeData) {
cont._nodeData.style = style;
cont._nodeData.width = measured.width;
cont._nodeData.height = measured.height;
if (selectedNodeIds.has(node.id)) {
drawNodeBg(cont._nodeData.bg, measured.width, measured.height, style.bgColor, style.radius, 3, getCssColor('--node-selected-border'), 1);
} else {
drawNodeBg(cont._nodeData.bg, measured.width, measured.height, style.bgColor, style.radius, 1.5, style.borderColor, 0.8);
}
cont.pivot.set(measured.width / 2, measured.height / 2);
updateHoverFrameForContainer(cont);
}
if (span) {
span.style.fontWeight = style.fontWeight;
span.style.color = style.textColor;
span.dataset.baseFontSize = style.fontSize;
span._baseFontSize = style.fontSize;
span._paddingX = style.paddingX;
span._paddingY = style.paddingY;
span._width = measured.width;
span._height = measured.height;
span._textWidth = measured.textWidth;
span._textHeight = measured.textHeight;
if (!span._maxWidth) span._maxWidth = 520;
const textScale = getCurrentTextScale();
if (textScale && textScale > 0) {
span.style.fontSize = `${style.fontSize * textScale}px`;
span.style.lineHeight = `${style.fontSize * 1.4 * textScale}px`;
span.style.maxWidth = `${span._maxWidth * textScale}px`;
} else {
span.style.fontSize = `${style.fontSize}px`;
span.style.lineHeight = `${style.fontSize * 1.4}px`;
span.style.maxWidth = `${span._maxWidth}px`;
}
}
}
function applyStyleAndMeasureSubtree(rootNode) {
const stack = [rootNode];
while (stack.length) {
const n = stack.pop();
applyStyleAndMeasure(n);
for (let i = n.children.length - 1; i >= 0; i--) stack.push(n.children[i]);
}
}
function findHitNodeId(localPoint, excludeSet) {
let bestId = null;
let bestDist2 = Infinity;
for (const cont of nodeGraphics.values()) {
if (!cont || !cont._nodeData) continue;
if (!cont.visible) continue;
const id = cont._nodeData.nodeId;
if (excludeSet && excludeSet.has(id)) continue;
const w = cont._nodeData.width;
const h = cont._nodeData.height;
const dx = localPoint.x - cont.x;
const dy = localPoint.y - cont.y;
if (Math.abs(dx) <= w / 2 && Math.abs(dy) <= h / 2) {
const d2 = dx * dx + dy * dy;
if (d2 < bestDist2) {
bestDist2 = d2;
bestId = id;
}
}
}
return bestId;
}
function computeDropCandidate(localPoint) {
if (!nodeDnd.draggedNode) return null;
const exclude = nodeDnd.blockedIds || new Set([nodeDnd.draggedId]);
const targetId = findHitNodeId(localPoint, exclude);
if (targetId === null || targetId === undefined) return null;
const nodeById = buildNodeByIdMap();
const targetNode = nodeById.get(targetId);
if (!targetNode) return null;
const targetCont = nodeGraphics.get(targetId);
if (!targetCont || !targetCont._nodeData) return null;
const relY = localPoint.y - targetCont.y;
const h = targetCont._nodeData.height || 1;
let mode = 'into';
if (targetNode.parentId !== null) {
if (relY < -h * 0.22) mode = 'before';
else if (relY > h * 0.22) mode = 'after';
}
if (mode === 'into') {
return {
mode,
targetId,
parentId: targetId,
index: (targetNode.children || []).length
};
}