.filter-bar[data-astro-cid-svhkuxpx]{border-radius:var(--radius-lg);padding:20px 24px;display:flex;flex-direction:column;gap:16px;position:sticky;top:80px;z-index:50;margin-bottom:8px}.search-wrap[data-astro-cid-svhkuxpx]{position:relative;display:flex;align-items:center}.search-icon[data-astro-cid-svhkuxpx]{position:absolute;left:14px;color:var(--c-text-muted);pointer-events:none;flex-shrink:0}.search-input[data-astro-cid-svhkuxpx]{width:100%;padding:10px 40px 10px 42px;background:#ffffff0a;border:1px solid var(--c-border);border-radius:var(--radius-md);color:var(--c-text);font-size:.9rem;font-family:var(--font-sans);outline:none;transition:border-color var(--transition),background var(--transition)}.search-input[data-astro-cid-svhkuxpx]::placeholder{color:var(--c-text-muted)}.search-input[data-astro-cid-svhkuxpx]:focus{border-color:var(--c-primary);background:#22b5730d}.search-clear[data-astro-cid-svhkuxpx]{position:absolute;right:12px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;background:#ffffff0f;border-radius:50%;color:var(--c-text-dim);cursor:pointer;transition:all var(--transition)}.search-clear[data-astro-cid-svhkuxpx]:hover{background:#ff3d8b26;color:var(--c-pink)}.filter-divider[data-astro-cid-svhkuxpx]{height:1px;background:var(--c-border)}.filter-group[data-astro-cid-svhkuxpx]{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.filter-scroll[data-astro-cid-svhkuxpx]{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none;-ms-overflow-style:none}.filter-scroll[data-astro-cid-svhkuxpx]::-webkit-scrollbar{display:none}.filter-row[data-astro-cid-svhkuxpx]{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}.filter-label[data-astro-cid-svhkuxpx]{font-size:.7rem;font-weight:700;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.08em;flex-shrink:0;padding:6px 0}.filter-btn[data-astro-cid-svhkuxpx]{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border-radius:100px;border:1px solid var(--c-border);background:transparent;color:var(--c-text-muted);font-size:.75rem;font-weight:500;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition);white-space:nowrap;flex-shrink:0}.filter-btn[data-astro-cid-svhkuxpx]:hover{border-color:var(--c-primary);color:var(--c-primary-light);background:#22b57314}.filter-btn[data-astro-cid-svhkuxpx].active{border-color:var(--c-primary);color:var(--c-primary-light);background:#22b5731f;font-weight:700}.diff-beginner[data-astro-cid-svhkuxpx].active{border-color:var(--c-accent);color:var(--c-accent);background:#1a9b5c1a}.diff-intermediate[data-astro-cid-svhkuxpx].active{border-color:var(--c-yellow);color:var(--c-yellow);background:#ffd1661a}.diff-advanced[data-astro-cid-svhkuxpx].active{border-color:var(--c-pink);color:var(--c-pink);background:#ff3d8b1a}.active-chips[data-astro-cid-svhkuxpx]{display:flex;flex-wrap:wrap;gap:6px;min-height:0}.active-chips[data-astro-cid-svhkuxpx]:empty{display:none}.chip[data-astro-cid-svhkuxpx]{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:100px;background:#22b57326;border:1px solid rgba(34,181,115,.3);font-size:.72rem;font-weight:600;color:var(--c-primary-light)}.chip-remove[data-astro-cid-svhkuxpx]{display:flex;align-items:center;justify-content:center;width:14px;height:14px;border:none;background:transparent;color:var(--c-primary-light);cursor:pointer;padding:0;transition:color var(--transition)}.chip-remove[data-astro-cid-svhkuxpx]:hover{color:var(--c-pink)}.results-count[data-astro-cid-svhkuxpx]{font-size:.8rem;color:var(--c-text-muted);padding:4px 0 12px;text-align:right}.count-num[data-astro-cid-svhkuxpx]{font-weight:700;color:var(--c-primary-light);font-size:.95rem}[data-lang=zh] .t-en[data-astro-cid-svhkuxpx],[data-lang=en] .t-zh[data-astro-cid-svhkuxpx]{display:none}@media(max-width:640px){.filter-bar[data-astro-cid-svhkuxpx]{border-radius:var(--radius-md);padding:16px;top:72px}.filter-row[data-astro-cid-svhkuxpx]{flex-direction:column;gap:10px}}.cases-page[data-astro-cid-pl7l34ca]{min-height:100vh;padding:40px 0 100px}.page-header[data-astro-cid-pl7l34ca]{padding:40px 0 32px;text-align:center}.page-title[data-astro-cid-pl7l34ca]{font-size:clamp(2rem,5vw,3rem);font-weight:900;background:linear-gradient(135deg,var(--c-primary-light),var(--c-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px}.page-desc[data-astro-cid-pl7l34ca]{font-size:1.05rem;color:var(--c-text-dim);margin-bottom:12px}.results-count[data-astro-cid-pl7l34ca]{font-size:.875rem;color:var(--c-text-muted)}.results-count[data-astro-cid-pl7l34ca] strong[data-astro-cid-pl7l34ca]{color:var(--c-accent)}.cases-grid[data-astro-cid-pl7l34ca]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:32px}.card-wrapper[data-astro-cid-pl7l34ca]{transition:opacity .3s ease,transform .3s ease}.card-wrapper[data-astro-cid-pl7l34ca].hidden{display:none}.card-wrapper[data-astro-cid-pl7l34ca].slide-in{animation:slide-up .4s ease both}.load-more-wrap[data-astro-cid-pl7l34ca]{display:flex;justify-content:center;margin-top:48px}.load-more-wrap[data-astro-cid-pl7l34ca].hidden{display:none}.empty-state[data-astro-cid-pl7l34ca]{text-align:center;padding:80px 24px;color:var(--c-text-dim)}.empty-state[data-astro-cid-pl7l34ca].hidden{display:none}.empty-icon[data-astro-cid-pl7l34ca]{font-size:3rem;display:block;margin-bottom:16px}.empty-state[data-astro-cid-pl7l34ca] p[data-astro-cid-pl7l34ca]{font-size:1.1rem;margin-bottom:24px}.btn[data-astro-cid-pl7l34ca]{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-weight:600;font-size:.9rem;transition:all var(--transition);cursor:pointer;text-decoration:none;border:none;font-family:var(--font-sans)}.btn-outline[data-astro-cid-pl7l34ca]{background:transparent;border:1px solid var(--c-border);color:var(--c-text)}.btn-outline[data-astro-cid-pl7l34ca]:hover{border-color:var(--c-primary);color:var(--c-primary-light);box-shadow:var(--shadow-glow)}.btn-ghost[data-astro-cid-pl7l34ca]{background:transparent;border:1px solid transparent;color:var(--c-primary-light)}.btn-ghost[data-astro-cid-pl7l34ca]:hover{border-color:var(--c-border);background:#22b57314}html[data-lang=zh] .t-en[data-astro-cid-pl7l34ca],html[data-lang=en] .t-zh[data-astro-cid-pl7l34ca]{display:none}html:not([data-lang=zh]) .t-zh[data-astro-cid-pl7l34ca]{display:none}@media(max-width:768px){.cases-page[data-astro-cid-pl7l34ca]{padding:24px 0 80px}.cases-grid[data-astro-cid-pl7l34ca]{grid-template-columns:1fr}}