.operate-card{background:#0f0f0f99;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-geek-border);border-radius:12px;padding:1.5rem;position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.operate-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(800px circle at var(--mouse-x) var(--mouse-y),rgba(255,255,255,.06),transparent 40%);opacity:0;transition:opacity .5s;pointer-events:none;z-index:1}.operate-card:hover{transform:translateY(-4px);border-color:var(--color-geek-primary);box-shadow:0 10px 40px -10px #00ff9d1a}.operate-card:hover:before{opacity:1}.operate-card.light{background:#ffffffb3;border:1px solid #e5e7eb;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008}.operate-card.light:before{background:radial-gradient(800px circle at var(--mouse-x) var(--mouse-y),rgba(0,0,0,.03),transparent 40%)}.operate-card.light:hover{border-color:#3b82f6;box-shadow:0 10px 40px -10px #3b82f626}.code-block-container{background:#000;border-radius:8px;border:1px solid #1f1f1f;overflow:hidden;font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:.85rem;transition:border-color .2s}.code-block-container.light{background:#f8fafc;border:1px solid #e2e8f0}.operate-card:hover .code-block-container{border-color:#333}.operate-card.light:hover .code-block-container.light{border-color:#cbd5e1}.code-line{display:flex;align-items:flex-start;padding:.5rem 0;border-bottom:1px solid #1a1a1a;transition:background-color .2s}.code-line:last-child{border-bottom:none}.code-line:hover{background:#ffffff08}.code-line.light{border-bottom:1px solid #e5e7eb}.code-line.light:hover{background:#00000005}.line-number{display:inline-block;min-width:2.5rem;padding:0 .75rem;text-align:right;color:#666;-webkit-user-select:none;user-select:none;font-weight:500;flex-shrink:0}.code-line.light .line-number{color:#94a3b8}.line-content{flex:1;color:#e2e8f0;white-space:pre-wrap;word-break:break-all;padding-right:1rem;line-height:1.6}.code-line.light .line-content{color:#334155}.code-block-container::-webkit-scrollbar{height:6px}.code-block-container::-webkit-scrollbar-track{background:transparent}.code-block-container::-webkit-scrollbar-thumb{background:#333;border-radius:3px}.code-block-container.light::-webkit-scrollbar-thumb{background:#cbd5e1}.code-block-container::-webkit-scrollbar-thumb:hover{background:#555}.code-block-container.light::-webkit-scrollbar-thumb:hover{background:#94a3b8}.category-section h2{letter-spacing:-.02em;text-shadow:0 2px 10px rgba(0,0,0,.5)}.category-section h2.light{text-shadow:none;color:#111827}