:root{--bg-primary: #0a1628;--bg-secondary: #0f1f3d;--bg-card: #132a4a;--bg-card-hover: #19355c;--bg-input: #0d1e3a;--border: #1e3a5f;--border-active: #2dd4bf;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #2dd4bf;--accent-dim: #0d9488;--accent-glow: rgba(45, 212, 191, .15);--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--radius: 10px;--radius-sm: 6px;--transition: .2s ease;--font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "Consolas", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(45,212,191,.03) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(45,212,191,.02) 0%,transparent 50%);pointer-events:none;z-index:0}.header{position:sticky;top:0;z-index:100;background:#0a1628d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:16px 0}.header-inner{max-width:1100px;margin:0 auto;padding:0 24px}.header-top{display:flex;align-items:center;gap:16px;margin-bottom:14px}.logo{width:42px;height:42px;background:linear-gradient(135deg,#2dd4bf,#0d9488);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;box-shadow:0 4px 16px var(--accent-glow)}.title{font-size:22px;font-weight:700;color:var(--text-primary);letter-spacing:.5px}.title span{color:var(--accent)}.subtitle{font-size:13px;color:var(--text-secondary);margin-top:-2px}.search-wrapper{position:relative;max-width:600px}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:18px;pointer-events:none}.search-input{width:100%;padding:11px 14px 11px 42px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:15px;transition:var(--transition);outline:none}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.result-count{font-size:13px;color:var(--text-muted);margin-left:4px}.categories{max-width:1100px;margin:0 auto;padding:16px 24px 0;display:flex;gap:8px;flex-wrap:wrap}.cat-tab{padding:7px 16px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:var(--transition);white-space:nowrap;font-family:inherit}.cat-tab:hover{border-color:var(--accent-dim);color:var(--text-primary);background:#2dd4bf0d}.cat-tab.active{background:#2dd4bf1f;border-color:var(--accent);color:var(--accent);font-weight:600}.cat-count{margin-left:4px;opacity:.6;font-size:11px}.main{max-width:1100px;margin:0 auto;padding:24px;position:relative;z-index:1}.cheat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.cheat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--transition);display:flex;flex-direction:column;gap:12px}.cheat-card:hover{background:var(--bg-card-hover);border-color:var(--accent-dim);transform:translateY(-1px);box-shadow:0 8px 24px #0000004d}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.card-title{font-size:16px;font-weight:600;color:var(--text-primary)}.card-category{font-size:11px;padding:3px 10px;border-radius:12px;background:#2dd4bf1a;color:var(--accent);white-space:nowrap;flex-shrink:0;margin-top:2px}.card-desc{font-size:13px;color:var(--text-secondary);line-height:1.5}.code-blocks{display:flex;flex-direction:column;gap:8px}.code-block{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.code-header{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:#0003;border-bottom:1px solid var(--border)}.code-label{font-size:11px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.copy-btn{padding:4px 10px;border-radius:4px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:11px;cursor:pointer;transition:var(--transition);font-family:inherit;display:flex;align-items:center;gap:4px}.copy-btn:hover{border-color:var(--accent);color:var(--accent);background:#2dd4bf14}.copy-btn.copied{border-color:var(--success);color:var(--success);background:#22c55e14}.code-content{padding:10px 12px;font-family:var(--font-mono);font-size:12px;color:var(--accent);white-space:pre-wrap;word-break:break-all;line-height:1.7;-webkit-user-select:all;user-select:all}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:11px;padding:2px 8px;border-radius:4px;background:#64748b1a;color:var(--text-muted);border:1px solid rgba(100,116,139,.15)}.empty-state{text-align:center;padding:80px 20px}.empty-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-title{font-size:18px;color:var(--text-secondary);margin-bottom:8px}.empty-desc{font-size:14px;color:var(--text-muted)}.toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%) translateY(100px);background:var(--bg-card);border:1px solid var(--success);color:var(--success);padding:10px 24px;border-radius:var(--radius);font-size:14px;transition:transform .3s ease;z-index:1000;box-shadow:0 8px 24px #0006}.toast.show{transform:translate(-50%) translateY(0)}@media (max-width: 768px){.header-inner{padding:0 16px}.header-top{flex-direction:column;align-items:flex-start;gap:12px}.search-wrapper{max-width:100%;width:100%}.categories{padding:12px 16px 0}.main{padding:16px}.cheat-grid{grid-template-columns:1fr}.cat-tab{font-size:12px;padding:6px 12px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}