.page-header[data-astro-cid-xtdbg2v6]{background:var(--gradient-hero);color:#fff;padding:var(--space-2xl) var(--space-md);text-align:center}.breadcrumb[data-astro-cid-xtdbg2v6]{font-size:.875rem;margin-bottom:var(--space-md);opacity:.8}.breadcrumb[data-astro-cid-xtdbg2v6] a[data-astro-cid-xtdbg2v6]{color:#fff}.breadcrumb[data-astro-cid-xtdbg2v6] span[data-astro-cid-xtdbg2v6]{margin:0 var(--space-xs)}.page-header[data-astro-cid-xtdbg2v6] h1[data-astro-cid-xtdbg2v6]{font-size:2rem;font-weight:700;margin-bottom:var(--space-sm)}.page-header[data-astro-cid-xtdbg2v6] p[data-astro-cid-xtdbg2v6]{opacity:.9;font-size:1rem}.section[data-astro-cid-xtdbg2v6]{padding:var(--space-2xl) var(--space-md);background:var(--color-bg)}.container[data-astro-cid-xtdbg2v6]{max-width:1000px;margin:0 auto}.search-section[data-astro-cid-xtdbg2v6]{margin-bottom:var(--space-xl)}.search-box[data-astro-cid-xtdbg2v6]{position:relative;max-width:500px;margin:0 auto}.search-box[data-astro-cid-xtdbg2v6] input[data-astro-cid-xtdbg2v6]{width:100%;padding:var(--space-md) var(--space-xl);padding-right:50px;border:2px solid var(--color-border);border-radius:var(--radius-full);font-size:1rem;background:var(--color-bg-elevated)}.search-box[data-astro-cid-xtdbg2v6] input[data-astro-cid-xtdbg2v6]:focus{outline:none;border-color:var(--color-accent)}.search-btn[data-astro-cid-xtdbg2v6]{position:absolute;right:var(--space-md);top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:1.25rem}.category-tabs[data-astro-cid-xtdbg2v6]{display:flex;gap:var(--space-sm);margin-bottom:var(--space-xl);overflow-x:auto;padding-bottom:var(--space-sm)}.category-tab[data-astro-cid-xtdbg2v6]{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:var(--color-bg-elevated);border:2px solid var(--color-border-light);border-radius:var(--radius-full);cursor:pointer;transition:all .2s;white-space:nowrap}.category-tab[data-astro-cid-xtdbg2v6]:hover{border-color:var(--color-accent)}.category-tab[data-astro-cid-xtdbg2v6].active{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.tab-icon[data-astro-cid-xtdbg2v6]{font-size:1.25rem}.tab-name[data-astro-cid-xtdbg2v6]{font-size:.9375rem;font-weight:500}.phrases-container[data-astro-cid-xtdbg2v6]{margin-bottom:var(--space-2xl)}.category-section[data-astro-cid-xtdbg2v6]{display:none}.category-section[data-astro-cid-xtdbg2v6].active{display:block}.category-header[data-astro-cid-xtdbg2v6]{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-lg)}.category-icon[data-astro-cid-xtdbg2v6]{font-size:2rem}.category-header[data-astro-cid-xtdbg2v6] h2[data-astro-cid-xtdbg2v6]{font-size:1.5rem;flex:1}.phrase-count[data-astro-cid-xtdbg2v6]{font-size:.875rem;color:var(--color-text-muted)}.phrases-grid[data-astro-cid-xtdbg2v6]{display:grid;gap:var(--space-md)}.phrase-card[data-astro-cid-xtdbg2v6]{display:flex;align-items:center;gap:var(--space-md);background:var(--color-bg-elevated);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all .2s}.phrase-card[data-astro-cid-xtdbg2v6]:hover{border-color:var(--color-accent);box-shadow:var(--shadow-sm)}.phrase-number[data-astro-cid-xtdbg2v6]{width:32px;height:32px;background:var(--color-bg-alt);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:600;color:var(--color-text-muted);flex-shrink:0}.phrase-content[data-astro-cid-xtdbg2v6]{flex:1;display:flex;flex-direction:column;gap:var(--space-xs)}.phrase-chinese[data-astro-cid-xtdbg2v6]{font-size:1.5rem;font-family:var(--font-chinese);color:var(--color-text)}.phrase-pinyin[data-astro-cid-xtdbg2v6]{font-size:.9375rem;color:var(--color-accent)}.phrase-english[data-astro-cid-xtdbg2v6]{font-size:.875rem;color:var(--color-text-muted)}.phrase-actions[data-astro-cid-xtdbg2v6]{display:flex;gap:var(--space-xs)}.action-btn[data-astro-cid-xtdbg2v6]{width:36px;height:36px;border-radius:50%;border:none;background:var(--color-bg-alt);cursor:pointer;font-size:1rem;transition:all .2s}.action-btn[data-astro-cid-xtdbg2v6]:hover{background:var(--color-accent);transform:scale(1.1)}.survival-section[data-astro-cid-xtdbg2v6]{margin-bottom:var(--space-2xl)}.survival-section[data-astro-cid-xtdbg2v6] h2[data-astro-cid-xtdbg2v6]{font-size:1.5rem;margin-bottom:var(--space-xs)}.section-desc[data-astro-cid-xtdbg2v6]{color:var(--color-text-muted);margin-bottom:var(--space-lg)}.survival-grid[data-astro-cid-xtdbg2v6]{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-md)}.survival-card[data-astro-cid-xtdbg2v6]{display:flex;align-items:center;gap:var(--space-md);background:var(--color-bg-elevated);border:2px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-lg);border-left:4px solid var(--color-error)}.survival-number[data-astro-cid-xtdbg2v6]{width:28px;height:28px;background:var(--color-error);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;flex-shrink:0}.survival-content[data-astro-cid-xtdbg2v6]{flex:1;display:flex;flex-direction:column;gap:var(--space-xs)}.survival-chinese[data-astro-cid-xtdbg2v6]{font-size:1.25rem;font-family:var(--font-chinese);color:var(--color-text)}.survival-pinyin[data-astro-cid-xtdbg2v6]{font-size:.875rem;color:var(--color-accent)}.survival-english[data-astro-cid-xtdbg2v6]{font-size:.8125rem;color:var(--color-text-muted)}.study-mode-section[data-astro-cid-xtdbg2v6]{margin-bottom:var(--space-2xl)}.study-mode-section[data-astro-cid-xtdbg2v6] h2[data-astro-cid-xtdbg2v6]{font-size:1.5rem;margin-bottom:var(--space-lg)}.study-card[data-astro-cid-xtdbg2v6]{background:var(--color-bg-elevated);border-radius:var(--radius-xl);padding:var(--space-2xl);border:1px solid var(--color-border-light);text-align:center}.study-display[data-astro-cid-xtdbg2v6]{min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md);margin-bottom:var(--space-xl)}.study-chinese[data-astro-cid-xtdbg2v6]{font-size:4rem;font-family:var(--font-chinese);color:var(--color-text)}.study-pinyin[data-astro-cid-xtdbg2v6]{font-size:1.5rem;color:var(--color-accent)}.study-english[data-astro-cid-xtdbg2v6]{font-size:1.25rem;color:var(--color-text-secondary)}.study-controls[data-astro-cid-xtdbg2v6]{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap;margin-bottom:var(--space-lg)}.study-progress[data-astro-cid-xtdbg2v6]{color:var(--color-text-muted);font-size:.875rem}@media (max-width: 768px){.category-tabs[data-astro-cid-xtdbg2v6]{flex-wrap:nowrap}.phrase-card[data-astro-cid-xtdbg2v6]{flex-direction:column;text-align:center}.phrase-actions[data-astro-cid-xtdbg2v6]{width:100%;justify-content:center}.study-chinese[data-astro-cid-xtdbg2v6]{font-size:2.5rem}.study-controls[data-astro-cid-xtdbg2v6]{flex-direction:column}}