:root{--side-bg:#0c0c0f;--side-text:#e4e4e7;--side-text-dim:#71717a;--side-hover:hsla(0,0%,100%,.06);--side-active:hsla(0,0%,100%,.1);--side-border:hsla(0,0%,100%,.06);--surface:#fafafa;--surface-card:#fff;--ink:#18181b;--ink-secondary:#52525b;--ink-muted:#a1a1aa;--border:rgba(0,0,0,.08);--border-strong:rgba(0,0,0,.12);--accent:#f43f5e;--accent-hover:#e11d48;--accent-soft:rgba(244,63,94,.12);--secondary:#06b6d4;--secondary-light:rgba(6,182,212,.25);--success:#22c55e;--danger:#ef4444;--warning:#f59e0b;--font-display:"Outfit","Plus Jakarta Sans",sans-serif;--font-sans:"Plus Jakarta Sans",-apple-system,sans-serif;--radius:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 12px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(0,0,0,.1);--primary-color:var(--accent);--primary-dark:var(--accent-hover);--primary-light:rgba(244,63,94,.2);--secondary-color:#06b6d4;--text-color:var(--ink);--text-secondary:var(--ink-secondary);--text-muted:var(--ink-muted);--bg-color:var(--surface);--card-bg:var(--surface-card);--border-color:var(--border);--danger-color:var(--danger);--border-radius-sm:var(--radius);--border-radius-md:var(--radius-lg);--border-radius-lg:var(--radius-xl);--border-radius-round:var(--radius-full);--shadow-sm:var(--shadow)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--surface);color:var(--ink);line-height:1.6;font-size:15px}#app{width:100%;min-height:100vh}button{font-family:inherit;outline:none;cursor:pointer}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#d4d4d8;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a1a1aa}.sidebar ::-webkit-scrollbar-track{background:transparent}.sidebar ::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.15)}.sidebar ::-webkit-scrollbar-thumb:hover{background:hsla(0,0%,100%,.25)}.el-button--primary{background:var(--accent);border-color:var(--accent)}.el-button--primary:focus,.el-button--primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.el-button--default:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.el-input__inner{border-radius:var(--radius)}.el-input__inner:focus{border-color:var(--accent)}.el-dialog,.el-message-box{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.el-pagination.is-background .el-pager li:not(.disabled).active{background:var(--accent)}.el-loading-spinner .path{stroke:var(--accent)}.el-loading-spinner 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rgba(239,68,68,.2)}.login-footer[data-v-ec975c64]{margin-top:40px;font-size:.85rem;color:var(--ink-muted)}@media (max-width:900px){.login-page[data-v-ec975c64]{flex-direction:column}.login-left[data-v-ec975c64]{min-height:auto;padding:40px 24px 32px}.login-visual[data-v-ec975c64]{display:none}.login-right[data-v-ec975c64]{width:100%;min-width:0;padding:32px 24px}}.home-view[data-v-0ef4a299]{min-height:100vh;background:var(--surface)}.navbar[data-v-0ef4a299]{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 24px;background:var(--surface-card);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.nav-brand[data-v-0ef4a299]{font-family:var(--font-display);font-size:1.2rem;font-weight:700;color:var(--ink);letter-spacing:-.02em}.nav-links[data-v-0ef4a299]{display:flex;align-items:center;gap:8px}.nav-link[data-v-0ef4a299]{padding:8px 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var(--border)}.header-controls[data-v-6fde1ce8]{display:flex;align-items:center;gap:12px}.add-book-wrapper[data-v-6fde1ce8]{position:relative}.add-btn[data-v-6fde1ce8]{background:var(--bg-color);border:none;width:36px;height:36px;border-radius:50%;font-size:24px;color:var(--primary-color);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:var(--shadow-sm)}.add-btn[data-v-6fde1ce8]:hover{background:var(--accent);color:#fff}.book-dropdown[data-v-6fde1ce8]{position:absolute;top:100%;right:0;margin-top:10px;background:#fff;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,.15);min-width:160px;z-index:1000;overflow-y:auto;max-height:200px;border:1px solid #eee;padding:4px 0}.dropdown-item[data-v-6fde1ce8]{padding:10px 16px;cursor:pointer;transition:background .2s;color:#333;font-size:14px;text-align:left}.dropdown-item[data-v-6fde1ce8]:hover{background-color:#f5f7fa;color:var(--primary-color)}.dropdown-item.empty[data-v-6fde1ce8],.dropdown-item.loading[data-v-6fde1ce8]{color:#999;cursor:default;text-align:center}.modal-header h3[data-v-6fde1ce8]{margin:0;font-size:1.5rem;color:var(--text-color);font-weight:800;letter-spacing:-.02em}.close-btn[data-v-6fde1ce8]{background:var(--bg-color);border:none;width:36px;height:36px;border-radius:50%;font-size:24px;color:var(--text-color);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:var(--shadow-sm)}.close-btn[data-v-6fde1ce8]:hover{background:var(--accent);color:#fff;transform:rotate(90deg)}.modal-body[data-v-6fde1ce8]{padding:24px;overflow-y:auto;flex:1}.loading-spinner[data-v-6fde1ce8]{text-align:center;padding:40px;color:var(--primary-color);font-weight:700}.error-message[data-v-6fde1ce8]{text-align:center;padding:40px;color:var(--danger-color)}.phonetics-section[data-v-6fde1ce8]{margin-bottom:24px;display:flex;gap:20px;flex-wrap:wrap}.phonetic-item[data-v-6fde1ce8]{color:var(--text-color);font-family:Arial,sans-serif;background:var(--bg-color);padding:8px 16px;border-radius:var(--border-radius-round);box-shadow:var(--shadow-sm);display:flex;align-items:center}.phonetic-item .label[data-v-6fde1ce8]{background:var(--secondary-color);padding:2px 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6px}.tran-text[data-v-6fde1ce8]{color:var(--text-color);font-weight:500}.sentence-item[data-v-6fde1ce8]{margin-bottom:16px;background:var(--bg-color);padding:16px;border-radius:var(--border-radius-md);border:1px solid hsla(4,100%,85%,.2);transition:all .3s ease}.sentence-item[data-v-6fde1ce8]:hover{transform:translateX(5px);box-shadow:var(--shadow-sm);background:#fff}.sentence-item[data-v-6fde1ce8]:last-child{margin-bottom:0}.en-text[data-v-6fde1ce8]{margin:0 0 8px 0;color:var(--text-color);font-size:16px;line-height:1.5;font-weight:500}.cn-text[data-v-6fde1ce8]{margin:0;color:#888;font-size:14px}[data-v-6fde1ce8] .highlight{color:var(--accent);font-weight:700;background:var(--accent-soft);padding:0 4px;border-radius:4px}.phrase-item[data-v-6fde1ce8]{display:flex;margin-bottom:12px;align-items:baseline;padding-bottom:8px;border-bottom:1px dashed var(--accent-color)}.phrase-item[data-v-6fde1ce8]:last-child{border-bottom:none}.phrase-content[data-v-6fde1ce8]{font-weight:600;color:var(--text-color);margin-right:12px;min-width:120px}.phrase-cn[data-v-6fde1ce8]{color:#666}.synonym-group[data-v-6fde1ce8]{margin-bottom:16px;background:var(--bg-color);padding:12px;border-radius:var(--border-radius-md)}.synonym-header[data-v-6fde1ce8]{margin-bottom:8px;display:flex;align-items:center}.synonym-words[data-v-6fde1ce8]{display:flex;flex-wrap:wrap;gap:10px}.synonym-word[data-v-6fde1ce8]{background:#fff;color:var(--primary-color);padding:6px 14px;border-radius:var(--border-radius-round);font-size:14px;font-weight:500;box-shadow:var(--shadow-sm);border:1px solid hsla(4,100%,85%,.2);transition:all .3s}.synonym-word[data-v-6fde1ce8]:hover{transform:scale(1.05);box-shadow:var(--shadow-md)}.rel-group[data-v-6fde1ce8]{margin-bottom:16px}.pos-label[data-v-6fde1ce8]{color:var(--secondary-color);font-size:14px;margin-bottom:8px;font-weight:700}.rel-list[data-v-6fde1ce8]{padding-left:10px;display:flex;flex-wrap:wrap;gap:12px}.rel-item[data-v-6fde1ce8]{margin-bottom:4px;background:var(--bg-color);padding:6px 12px;border-radius:var(--border-radius-md)}.rel-word[data-v-6fde1ce8]{font-weight:600;color:var(--text-color);margin-right:8px}.rel-tran[data-v-6fde1ce8]{color:#888;font-size:13px}@keyframes modal-in-6fde1ce8{0%{opacity:0;transform:scale(.8) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-body[data-v-6fde1ce8]::-webkit-scrollbar{width:8px}.modal-body[data-v-6fde1ce8]::-webkit-scrollbar-thumb{background-color:var(--accent-color);border-radius:4px}.modal-body[data-v-6fde1ce8]::-webkit-scrollbar-track{background-color:transparent}@media (max-width:768px){.modal-container[data-v-6fde1ce8]{width:95%;max-height:90vh}.modal-body[data-v-6fde1ce8],.modal-header[data-v-6fde1ce8]{padding:16px}.phonetic-item[data-v-6fde1ce8]{font-size:13px;padding:6px 12px}.section-title[data-v-6fde1ce8]{font-size:16px}.en-text[data-v-6fde1ce8]{font-size:15px}.phrase-content[data-v-6fde1ce8]{min-width:100px}}.word-search[data-v-b5b7f1f0]{padding:0 0 64px}.hero[data-v-b5b7f1f0]{padding:64px 24px 56px;text-align:center;max-width:720px;margin:0 auto}.hero-title[data-v-b5b7f1f0]{font-family:var(--font-display);font-size:clamp(2.5rem,6vw,4rem);font-weight:800;letter-spacing:-.04em;color:var(--ink);margin-bottom:8px;line-height:1.1}.hero-desc[data-v-b5b7f1f0]{font-size:1.1rem;color:var(--ink-muted);margin-bottom:16px}.direction-tabs[data-v-b5b7f1f0]{display:flex;justify-content:center;gap:8px;margin-bottom:24px}.tab-btn[data-v-b5b7f1f0]{padding:8px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-card);color:var(--ink-muted);font-size:.95rem;cursor:pointer;transition:border-color .2s,color .2s,background .2s}.tab-btn[data-v-b5b7f1f0]:hover{border-color:var(--border-strong);color:var(--ink)}.tab-btn.active[data-v-b5b7f1f0]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.search-hero[data-v-b5b7f1f0]{display:flex;gap:12px;background:var(--surface-card);padding:8px 8px 8px 24px;border-radius:var(--radius-xl);border:1px solid var(--border);box-shadow:var(--shadow);transition:box-shadow .2s,border-color .2s}.search-hero[data-v-b5b7f1f0]:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.search-input[data-v-b5b7f1f0]{flex:1;min-width:0;padding:16px 0;border:none;font-size:1.1rem;outline:none;color:var(--ink);background:transparent}.search-input[data-v-b5b7f1f0]::-moz-placeholder{color:var(--ink-muted)}.search-input[data-v-b5b7f1f0]::placeholder{color:var(--ink-muted)}.btn-search[data-v-b5b7f1f0]{padding:0 32px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-lg);font-size:1rem;font-weight:600;transition:background .2s}.btn-search[data-v-b5b7f1f0]:disabled{opacity:.7;cursor:not-allowed}.btn-search[data-v-b5b7f1f0]:hover:not(:disabled){background:var(--accent-hover)}.loading-spinner[data-v-b5b7f1f0]{display:inline-block;width:18px;height:18px;border:2px solid hsla(0,0%,100%,.3);border-radius:50%;border-top-color:#fff;animation:spin-b5b7f1f0 .8s linear infinite;vertical-align:middle}@keyframes spin-b5b7f1f0{to{transform:rotate(1turn)}}.section[data-v-b5b7f1f0]{max-width:1100px;margin:0 auto;padding:0 24px}.section-head[data-v-b5b7f1f0]{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.section-title[data-v-b5b7f1f0]{font-family:var(--font-display);font-size:1.35rem;font-weight:700;color:var(--ink);margin:0;letter-spacing:-.02em}.btn-ghost[data-v-b5b7f1f0]{padding:8px 14px;border-radius:var(--radius);background:transparent;color:var(--ink-muted);border:none;font-size:.9rem;font-weight:500;transition:color .2s,background .2s}.btn-ghost[data-v-b5b7f1f0]:hover{color:var(--danger);background:rgba(239,68,68,.08)}.state-msg[data-v-b5b7f1f0]{text-align:center;padding:48px 20px;color:var(--ink-muted);font-size:1rem}.state-msg.empty[data-v-b5b7f1f0]{padding:64px 20px;font-size:1.05rem}.word-grid[data-v-b5b7f1f0]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding-bottom:40px}.word-card[data-v-b5b7f1f0]{background:var(--surface-card);padding:24px;border-radius:var(--radius-lg);border:1px solid var(--border);display:flex;flex-direction:column;transition:border-color .2s,box-shadow .2s;animation:fadeIn-b5b7f1f0 .3s ease-out forwards}@keyframes fadeIn-b5b7f1f0{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.word-card[data-v-b5b7f1f0]:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}.word-header[data-v-b5b7f1f0]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}.word-title[data-v-b5b7f1f0]{font-size:1.3rem;color:var(--ink);margin:0;font-weight:700;letter-spacing:-.02em}.history-time[data-v-b5b7f1f0]{font-size:.8rem;color:var(--ink-muted);font-weight:500}.word-phonetic[data-v-b5b7f1f0]{color:var(--ink-secondary);font-size:.85rem;margin-bottom:12px;display:flex;flex-wrap:wrap;gap:8px}.phonetic-item[data-v-b5b7f1f0]{background:var(--surface);padding:4px 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