:root{--bg: #0e1420;--panel: #161e2b;--ink: #e6e9ee;--ink2: #9aa6b5;--line: #26303f;--brand: #4c8bf5;--accent: #4c8bf5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,PingFang SC,system-ui,sans-serif}a{color:inherit;text-decoration:none}code{background:#1f2937;padding:1px 6px;border-radius:5px;font-size:13px}#topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line)}.brand{font-weight:800;font-size:17px}.brand-sub{color:var(--ink2);font-weight:500;font-size:11px;letter-spacing:2px;margin-left:6px;text-transform:uppercase}#crumb{color:var(--ink2);font-size:14px}#crumb .sep{margin-right:8px;color:var(--brand)}#app{padding:28px 22px 60px;max-width:1100px;margin:0 auto}.hero h1{margin:0 0 6px;font-size:26px}.hero p{margin:0 0 22px;color:var(--ink2)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;transition:transform .12s,border-color .12s}.card:hover{transform:translateY(-2px);border-color:var(--brand)}.card-proj{font-size:11px;color:var(--brand);margin-bottom:6px}.card h3{margin:0 0 8px;font-size:16.5px}.card p{margin:0 0 12px;color:var(--ink2);font-size:13.5px}.tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:11px;background:#1f2937;color:var(--brand);padding:1px 9px;border-radius:9px}.loading,.error{padding:60px;text-align:center;color:var(--ink2)}.error{color:#f87171}.demo-host{width:100%}.demo-layout{display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:start}.demo-canvas{background:#0a0f17;border:1px solid var(--line);border-radius:12px;overflow:hidden;min-height:420px;position:relative}.demo-canvas canvas{display:block;width:100%}.demo-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.demo-panel h4{margin:0 0 4px;font-size:14px}.demo-panel .hint{color:var(--ink2);font-size:12.5px;margin:0 0 14px}.ctrl{margin:12px 0}.ctrl label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px;color:var(--ink2)}.ctrl label b{color:var(--ink);font-variant-numeric:tabular-nums}.ctrl input[type=range]{width:100%;accent-color:var(--brand)}.demo-panel .row{display:flex;align-items:center;gap:8px;margin:12px 0;font-size:13px}.btn{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:7px 14px;cursor:pointer;font-size:13px}.btn.ghost{background:#1f2937;color:var(--ink)}.fps{position:absolute;top:10px;right:12px;background:#00000080;color:#7cfc9b;font:600 12px/1 monospace;padding:5px 9px;border-radius:7px}.explain{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink2)}.explain b{color:var(--ink)}.explain p{margin:6px 0}.demo-panel .row label{display:flex;align-items:center;gap:7px;cursor:pointer}.pickinfo{margin:12px 0;padding:10px 12px;background:var(--bg);border:1px solid var(--line);border-radius:9px;font-size:13.5px;line-height:1.7}.pickinfo .sw{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:middle;margin-left:4px}.pickinfo .dim{color:var(--ink2);font-size:12px}.pickinfo .miss{color:var(--ink2)}.fx-demo{display:grid;grid-template-columns:1fr 380px;gap:18px;align-items:start}.fx-demo .demo-canvas{min-height:480px}.fx-modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}.fx-head{padding:14px 16px;font-weight:700;font-size:16px;border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:10px}.fx-tip{font-size:11px;color:var(--ink2);font-weight:500}.fx-body{display:grid;grid-template-columns:64px 1fr}.fx-cats{display:flex;flex-direction:column;border-right:1px solid var(--line);padding:10px 0}.fx-cat{background:none;border:0;color:var(--ink2);padding:10px 6px;cursor:pointer;font-size:13px;border-left:2px solid transparent}.fx-cat.on{color:var(--ink);background:var(--bg);border-left-color:var(--brand);font-weight:600}.fx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px;max-height:460px;overflow-y:auto}.fx-thumb{position:relative;aspect-ratio:1;border:1px solid var(--line);border-radius:9px;cursor:pointer;padding:0;overflow:hidden;background:#eef1f5;display:flex;align-items:center;justify-content:center}.fx-thumb.on{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand)}.fx-thumb-canvas{width:100%;height:100%;object-fit:contain;display:block}.fx-cap{position:absolute;bottom:0;left:0;right:0;font-size:10px;color:#333;background:#ffffffc7;padding:1px 0;text-align:center}.fx-ctrl{padding:12px 16px;border-top:1px solid var(--line)}.fx-ctrl label{display:flex;justify-content:space-between;font-size:13px;color:var(--ink2);margin-bottom:6px}.fx-ctrl label b{color:var(--ink)}.fx-ctrl input[type=range]{width:100%;accent-color:var(--brand)}.fx-modal .explain{padding:12px 16px;border-top:1px solid var(--line);margin:0}.fx-subjects{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}.fx-up{font-size:12.5px;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:7px 12px;cursor:pointer;white-space:nowrap}.fx-sample{width:38px;height:38px;object-fit:cover;border-radius:8px;border:2px solid var(--line);cursor:pointer;background:var(--bg)}.fx-sample.on{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.fx-stats{position:absolute;top:10px;right:12px;background:#0a0f17c7;color:#cfe6ff;font:11px/1.5 ui-monospace,Menlo,monospace;padding:7px 11px;border-radius:8px;text-align:right}.fx-stats b{color:#7cfc9b;font-weight:700}.fx-code{margin-top:18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.fx-code summary{cursor:pointer;padding:12px 16px;font-weight:600;font-size:14px;list-style:none;-webkit-user-select:none;user-select:none}.fx-code summary::-webkit-details-marker{display:none}.fx-code summary:before{content:"▸ ";color:var(--brand)}.fx-code[open] summary:before{content:"▾ "}.fx-code pre{margin:0;padding:14px 16px;border-top:1px solid var(--line);background:#0a0f17;overflow-x:auto;font:12.5px/1.6 ui-monospace,Menlo,Consolas,monospace;color:#c8d3e0}@media (max-width: 860px){.fx-demo{grid-template-columns:1fr}}@media (max-width: 760px){.demo-layout{grid-template-columns:1fr}}