:root{--bg:#0f0f14;--bg-card:#1a1a24;--bg-card-hover:#222233;--border:#2a2a3e;--text:#e6edf3;--text-secondary:#8b949e;--text-muted:#555;--accent:#f0883e;--glass:rgba(15,15,20,0.92)}
    body.light{--bg:#f5f5f7;--bg-card:#fff;--bg-card-hover:#f0f0f2;--border:#d2d2d7;--text:#1d1d1f;--text-secondary:#6e6e73;--text-muted:#aeaeb2;--accent:#f0883e;--glass:rgba(245,245,247,0.92)}
    *{margin:0;padding:0;box-sizing:border-box}
    body{font-family:-apple-system,"Microsoft YaHei","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
    .header{border-bottom:1px solid var(--border);padding:16px 24px;position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(12px)}
    .header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
    .logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;text-decoration:none;color:var(--text)}
    .logo-icon{width:32px;height:32px;background:linear-gradient(135deg,#f0883e,#f9a05a);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;font-weight:800}
    .logo span{background:linear-gradient(135deg,#f0883e,#f9a05a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .nav-right{display:flex;align-items:center;gap:16px}
    .nav-links{display:flex;gap:20px;align-items:center}
    .nav-links a{color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500}
    .nav-links a:hover,.nav-links a.active,.nav-links a.active{color:var(--accent)}
    .tg{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:18px;cursor:pointer}
    .hero{max-width:1200px;margin:0 auto;padding:40px 24px 4px;text-align:center}
    .hero h1{font-size:32px;font-weight:800;margin-bottom:8px}
    .hero h1 span{background:linear-gradient(135deg,#f0883e,#f9a05a,#ffb347);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .hero p{color:var(--text-secondary);font-size:14px}
    .studio{max-width:1200px;margin:0 auto;padding:20px 24px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
    .canvas-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:20px;display:grid;place-items:center}
    #board{touch-action:none;cursor:crosshair;border-radius:8px;max-width:100%;image-rendering:pixelated}
    .panel{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:18px;display:grid;gap:14px}
    .panel h2{font-size:13px;color:var(--text-muted);font-weight:700;margin-bottom:8px}
    .tools{display:flex;gap:8px;flex-wrap:wrap}
    .tool{padding:8px 14px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:13px;cursor:pointer;font-family:inherit}
    .tool.on{border-color:var(--accent);color:var(--accent)}
    .palette{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}
    .sw{aspect-ratio:1;border-radius:8px;border:2px solid transparent;cursor:pointer;padding:0}
    .sw.on{border-color:#fff;box-shadow:0 0 0 2px var(--accent)}
    .rowline{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--text-secondary);flex-wrap:wrap}
    .rowline select,.rowline input[type=color]{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 8px;font-size:13px;font-family:inherit}
    .rowline input[type=color]{width:44px;height:32px;padding:2px;cursor:pointer}
    .abtn{padding:9px 14px;border-radius:10px;border:1px solid var(--accent);background:transparent;color:var(--accent);font-size:13px;font-weight:700;cursor:pointer;font-family:inherit}
    .abtn.solid{background:var(--accent);color:#fff}
    .abtn.plain{border-color:var(--border);color:var(--text-secondary);font-weight:500}
    .gallery{max-width:1200px;margin:0 auto;padding:0 24px 48px}
    .gallery h2{font-size:18px;margin-bottom:4px}
    .gallery p{font-size:12px;color:var(--text-muted);margin-bottom:14px}
    .thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
    .thumb{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:10px;text-align:center}
    .thumb img{width:100%;aspect-ratio:1;object-fit:contain;image-rendering:pixelated;border-radius:8px;background:repeating-conic-gradient(#222 0 25%,#2e2e2e 0 50%) 0 0/16px 16px;cursor:pointer}
    .thumb .nm{font-size:12px;margin:6px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .thumb .ops{display:flex;gap:6px;justify-content:center}
    .thumb .ops button{font-size:12px;padding:4px 10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;font-family:inherit}
    .gallery-empty{font-size:13px;color:var(--text-muted)}
    .note{max-width:1200px;margin:0 auto;padding:0 24px 48px;text-align:center;font-size:12px;color:var(--text-muted)}
    .footer{border-top:1px solid var(--border);padding:24px;text-align:center;color:var(--text-muted);font-size:13px}
    .footer a{color:var(--accent);text-decoration:none}
    @media(max-width:900px){.studio{grid-template-columns:1fr}.hero h1{font-size:26px}}