.level-1-section[data-v-8f235d2f]{background:var(--bg-card);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:box-shadow var(--transition-normal)}.level-1-section[data-v-8f235d2f]:hover{box-shadow:var(--shadow-md)}.level-2-section[data-v-8f235d2f],.level-3-section[data-v-8f235d2f],.level-4-section[data-v-8f235d2f]{margin-top:20px;padding-left:20px;border-left:2px solid var(--border-color)}.node-title[data-v-8f235d2f]{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.title-text[data-v-8f235d2f]{font-weight:700;color:var(--text-heading);display:flex;align-items:center;gap:8px}.level-1 .title-text[data-v-8f235d2f]{font-size:1.25rem;color:var(--color-brand)}.level-2 .title-text[data-v-8f235d2f]{font-size:1.1rem}.level-3 .title-text[data-v-8f235d2f]{font-size:1rem;color:var(--text-secondary)}.level-4 .title-text[data-v-8f235d2f]{font-size:.9rem;color:var(--text-secondary)}.btn-group[data-v-8f235d2f]{display:flex;gap:8px}.copy-btn[data-v-8f235d2f]{display:inline-flex;align-items:center;gap:6px;background-color:var(--bg-item);color:var(--text-secondary);border:1px solid transparent;padding:6px 12px;border-radius:var(--radius-md);font-size:.8rem;font-weight:600;transition:all var(--transition-fast)}.copy-btn[data-v-8f235d2f]:hover{background-color:var(--bg-item-hover);color:var(--text-main);transform:translateY(-1px)}.copy-btn[data-v-8f235d2f]:active{transform:translateY(0)}.copy-btn.copied[data-v-8f235d2f]{background-color:var(--color-success);color:#fff}.btn-icon[data-v-8f235d2f]{font-size:1em}.keyword-grid[data-v-8f235d2f]{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:16px}.keyword-item[data-v-8f235d2f]{background-color:var(--bg-item);border:1px solid transparent;border-radius:var(--radius-md);text-align:center;transition:all var(--transition-fast);display:flex;flex-direction:column;position:relative;overflow:hidden}.keyword-item[data-v-8f235d2f]:hover{background-color:var(--bg-item-hover);border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.keyword-item.item-copied[data-v-8f235d2f]{background-color:var(--color-success);border-color:var(--color-success)}.keyword-item.item-copied .en-text[data-v-8f235d2f],.keyword-item.item-copied .cn-text[data-v-8f235d2f]{color:#fff}.keyword-item.item-copied .action-btn[data-v-8f235d2f]{color:#ffffffe6}.keyword-item.item-copied .divider[data-v-8f235d2f]{background-color:#ffffff4d}.keyword-content[data-v-8f235d2f]{padding:16px 16px 12px;flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}.en-text[data-v-8f235d2f]{font-weight:600;color:var(--text-main);font-size:.95rem;line-height:1.3}.cn-text[data-v-8f235d2f]{font-size:.85rem;color:var(--text-secondary)}.item-actions[data-v-8f235d2f]{display:flex;border-top:1px solid var(--border-color);background:#00000005}.action-btn[data-v-8f235d2f]{flex:1;padding:8px 0;font-size:.8rem;font-weight:600;color:var(--text-secondary);background:transparent;cursor:pointer;transition:background-color .2s,color .2s}.action-btn[data-v-8f235d2f]:hover{background-color:var(--bg-item-hover);color:var(--color-brand)}.divider[data-v-8f235d2f]{width:1px;background-color:var(--border-color);margin:6px 0}@media (max-width: 600px){.level-1-section[data-v-8f235d2f]{padding:16px}.keyword-grid[data-v-8f235d2f]{grid-template-columns:1fr 1fr;gap:12px}.node-title[data-v-8f235d2f]{flex-direction:column;align-items:flex-start}.btn-group[data-v-8f235d2f]{align-self:flex-start;margin-top:4px}}.app-container[data-v-f0e9b10a]{min-height:100vh;display:flex;flex-direction:column}.header[data-v-f0e9b10a]{margin-bottom:40px;position:relative}.header-content[data-v-f0e9b10a]{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--border-color)}h1[data-v-f0e9b10a]{font-size:2rem;font-weight:800;color:var(--text-heading);margin:0;display:flex;align-items:center;gap:12px;letter-spacing:-.025em}.icon[data-v-f0e9b10a]{font-size:1.8rem}.theme-toggle[data-v-f0e9b10a]{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-full);width:44px;height:44px;display:flex;justify-content:center;align-items:center;cursor:pointer;font-size:20px;box-shadow:var(--shadow-sm);transition:all var(--transition-normal);color:var(--text-main)}.theme-toggle[data-v-f0e9b10a]:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--text-secondary);background:var(--bg-item-hover)}.toggle-icon[data-v-f0e9b10a]{line-height:1}.main-content[data-v-f0e9b10a]{flex:1;display:flex;flex-direction:column;gap:24px}@media (max-width: 600px){.header-content[data-v-f0e9b10a]{flex-direction:row;justify-content:space-between}h1[data-v-f0e9b10a]{font-size:1.5rem}}:root{--color-brand: #3b82f6;--color-brand-hover: #2563eb;--color-success: #10b981;--bg-body: #f8fafc;--bg-card: #ffffff;--bg-item: #f1f5f9;--bg-item-hover: #e2e8f0;--text-main: #0f172a;--text-secondary: #64748b;--text-heading: #1e293b;--border-color: #e2e8f0;--border-hover: #cbd5e1;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-body: #0f172a;--bg-card: #1e293b;--bg-item: #334155;--bg-item-hover: #475569;--text-main: #f8fafc;--text-secondary: #94a3b8;--text-heading: #ffffff;--border-color: #334155;--border-hover: #64748b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5), 0 4px 6px -4px rgb(0 0 0 / .4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;color:var(--text-main);background-color:var(--bg-body);transition:background-color var(--transition-normal),color var(--transition-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{max-width:900px;margin:0 auto;padding:40px 20px}button{font-family:inherit;cursor:pointer;border:none;background:none;outline:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-secondary);border-radius:var(--radius-full);opacity:.5}::-webkit-scrollbar-thumb:hover{background:var(--text-main)}