:root{--color-primary:#4f46e5;--color-primary-light:#6366f1;--color-primary-dark:#4338ca;--color-secondary:#10b981;--color-accent:#f59e0b;--color-danger:#ef4444;--color-warning:#f59e0b;--color-success:#10b981;--color-bg:#f8fafc;--color-bg-card:#fff;--color-text-primary:#1e293b;--color-text-secondary:#64748b;--color-text-muted:#94a3b8;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.3s ease}*{box-sizing:border-box;margin:0;padding:0}html,body{color:var(--color-text-primary);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.6}a{color:var(--color-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-primary-dark)}button{cursor:pointer;transition:all var(--transition-fast);border:none;outline:none;font-family:inherit}input,textarea{border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:10px 14px;font-family:inherit;font-size:14px}input:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #4f46e51a}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-size:14px;font-weight:500;display:inline-flex}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:disabled{background-color:var(--color-text-muted);cursor:not-allowed;box-shadow:none;transform:none}.btn-secondary{color:var(--color-text-primary);border:1px solid var(--color-border);background-color:#fff}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-success{background-color:var(--color-success);color:#fff}.btn-success:hover{background-color:#059669}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:14px 28px;font-size:16px}.card{background-color:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-normal);padding:24px}.card:hover{box-shadow:var(--shadow-md)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.flex-1{flex:1}.gap-2{gap:8px}.gap-4{gap:16px}.gap-6{gap:24px}.text-primary{color:var(--color-primary)}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:13px}.text-lg{font-size:18px}.text-xl{font-size:24px}.text-2xl{font-size:30px}.font-bold{font-weight:700}.font-medium{font-weight:500}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.w-full{width:100%}.text-center{text-align:center}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (width<=768px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}.container{padding:0 16px}.card{padding:16px}}.animate-fade-in{animation:.3s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.badge{border-radius:var(--radius-full);background-color:var(--color-border-light);color:var(--color-text-secondary);padding:2px 10px;font-size:12px;font-weight:500;display:inline-block}.badge-primary{color:var(--color-primary);background-color:#4f46e51a}.badge-success{color:var(--color-success);background-color:#10b9811a}.badge-warning{color:var(--color-warning);background-color:#f59e0b1a}.badge-danger{color:var(--color-danger);background-color:#ef44441a}.progress-bar{background-color:var(--color-border-light);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--color-primary), var(--color-primary-light));border-radius:var(--radius-full);height:100%;transition:width .5s}