:root{--primary: #2f6fed;--bg: #f0f2f7;--card: #ffffff;--text: #1f2329;--border: #e5e7eb;--shadow: 0 2px 12px rgba(31, 41, 55, .08);--shadow-lg: 0 12px 40px rgba(31, 41, 55, .18)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:radial-gradient(1200px 600px at 20% -10%,#eaf1ff 0%,transparent 60%),radial-gradient(1000px 500px at 100% 0%,#e9f5ff 0%,transparent 50%),var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#d3d7e0;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#b8bdc9}.btn-primary{padding:8px 14px;border:none;border-radius:10px;cursor:pointer;font-size:14px;font-family:inherit;background:linear-gradient(135deg,#2f6fed,#4f8df7);color:#fff;box-shadow:0 2px 8px #2f6fed40;transition:transform .12s,box-shadow .12s,filter .12s;display:inline-block}.btn-primary:hover{filter:brightness(1.06);box-shadow:0 4px 14px #2f6fed59}.btn-primary:active{transform:translateY(1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{padding:8px 14px;border:1px solid var(--border);border-radius:10px;cursor:pointer;font-size:14px;font-family:inherit;background:#fff;color:var(--text);transition:border-color .15s,background .15s,color .15s}.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:#f5f8ff}.btn-ghost:disabled{opacity:.6;cursor:not-allowed}.btn-link{border:none;background:none;color:#2f6fed;cursor:pointer;font-size:14px;font-family:inherit;padding:0}.btn-link:hover{text-decoration:underline}.btn-link.danger{color:#d33}.input{padding:8px 12px;border:1px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;outline:none;background:#fff;color:var(--text);transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2f6fed1f}.card{background:var(--card);border:1px solid #eceef2;border-radius:14px;box-shadow:var(--shadow)}.row-item{transition:background .12s}.row-item:hover{background:#f5f8ff}.row-actions{opacity:.5;transition:opacity .15s}.row-item:hover .row-actions{opacity:1}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;display:flex;align-items:center;justify-content:center;z-index:10;animation:fadeIn .15s ease-out}.modal-card{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);animation:zoomIn .16s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes zoomIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.masonry-card{transition:transform .15s,box-shadow .15s}.masonry-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1f29371f}.placeholder-pulse{animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@media (max-width: 768px){.row-actions{opacity:1}}