.ply-panel{background:var(--sim-bg);color:var(--sim-ink);border-radius:var(--radius);margin:20px 0;padding:12px}.ply-panel svg{touch-action:manipulation;user-select:none;width:100%;height:auto;display:block}.ply-panel text{font-family:var(--font)}.ply-panel .sim-btn{color:var(--sim-ink);background:#16212f;border-color:#33445a}.ply-panel .sim-btn:disabled{opacity:.45;cursor:default}.ply-panel .sim-btn[aria-pressed=true],.ply-panel .sim-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.ply-row{flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:8px;display:flex}.ply-label{color:var(--sim-dim);font-size:13.5px}.ply-caption{min-height:2.6em;margin:10px 0 0;font-size:15.5px;line-height:1.6}.ply-note{color:var(--sim-dim);margin:6px 0 0;font-size:13px}.ply-sep{border:0;border-top:1px solid #26354a;margin:14px 0 10px}.ply-steps{color:var(--sim-dim);gap:4px;margin:10px 0 0;padding:0;font-size:14px;list-style:none;display:grid}.ply-steps li[data-done]{color:#6fdc8c}.ply-steps li:before{content:"○ "}.ply-steps li[data-done]:before{content:"✓ "}.ply-panel .t{fill:var(--sim-ink);font-size:20px}.ply-panel .t.mid{text-anchor:middle}.ply-panel .t.end{text-anchor:end}.ply-panel .t.dim{fill:var(--sim-dim)}.ply-panel .t.small{font-size:18px}.ply-panel .t.big{font-size:26px;font-weight:700}.ply-panel .t.bold{font-weight:700}.ply-panel .t.hot{fill:#ff9b8a}.ply-panel .t.good{fill:#6fdc8c}.ply-panel .t.gold{fill:#ffd36b}.ply-c{fill:#3b4048;stroke:#9aa6b4;stroke-width:1.5px}.ply-bond{stroke:#c9d3df;stroke-width:4px;stroke-linecap:round;fill:none}.ply-pop{transform-box:fill-box;transform-origin:50%;animation:.45s cubic-bezier(.3,1.6,.5,1) both ply-pop}@keyframes ply-pop{0%{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}.ply-radical{fill:#ffd36b}.ply-radical-glow{fill:#ffd36b;opacity:.25;transform-box:fill-box;transform-origin:50%;animation:1.2s ease-in-out infinite alternate ply-glow}@keyframes ply-glow{0%{opacity:.15;transform:scale(.8)}to{opacity:.4;transform:scale(1.4)}}.ply-move{transition:transform .7s cubic-bezier(.5,0,.3,1),opacity .5s}.ply-fade{transition:opacity .6s}.ply-float{animation:1.4s ease-out both ply-float}@keyframes ply-float{0%{opacity:0;transform:translateY(6px)}20%{opacity:1}to{opacity:0;transform:translateY(-60px)}}.ply-panel[data-reduced] .ply-pop,.ply-panel[data-reduced] .ply-float,.ply-panel[data-reduced] .ply-radical-glow{animation:none}.ply-panel[data-reduced] .ply-float{opacity:0}.ply-panel[data-reduced] .ply-move,.ply-panel[data-reduced] .ply-fade{transition:none}.ply-plate{fill:#59636f}.ply-plate-top{fill:#8a96a4}.ply-plate-glow{fill:#ff6b3d}.ply-smoke{fill:#9aa3ad}.ply-box{background:#16212f;border:1px solid #2b3b52;border-radius:10px;margin-top:10px;padding:10px 12px;font-size:15px;line-height:1.6}.ply-box b{color:#ffd36b;font-weight:700}.ply-grid2{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:6px;display:grid}@media (width<=520px){.ply-grid2{grid-template-columns:minmax(0,1fr)}}.ply-chip-row{flex-wrap:wrap;gap:6px;display:flex}.ply-chip-row .sim-btn{font-size:14.5px}.ply-forms[data-astro-cid-d64wfqpi] .frame[data-astro-cid-d64wfqpi]{fill:var(--surface-2);stroke:var(--border);stroke-width:1.5px}.ply-forms[data-astro-cid-d64wfqpi] .ch[data-astro-cid-d64wfqpi]{fill:none;stroke-width:4px;stroke-linecap:round;stroke-linejoin:round}.ply-forms[data-astro-cid-d64wfqpi] .ch[data-astro-cid-d64wfqpi].a{stroke:#2f7fd1}.ply-forms[data-astro-cid-d64wfqpi] .ch[data-astro-cid-d64wfqpi].b{stroke:#1a9a5c}.ply-forms[data-astro-cid-d64wfqpi] .ch[data-astro-cid-d64wfqpi].c{stroke:#8a5cc7}.ply-forms[data-astro-cid-d64wfqpi] .xl[data-astro-cid-d64wfqpi]{stroke:#e5622d;stroke-width:4px;stroke-linecap:round}.ply-forms[data-astro-cid-d64wfqpi] .cap[data-astro-cid-d64wfqpi].mid{font-size:20px}.ply-forms[data-astro-cid-d64wfqpi] .cap[data-astro-cid-d64wfqpi].mid.sm{fill:var(--text-muted);font-size:17px}.ply-size[data-astro-cid-6ma6mswi] .chain[data-astro-cid-6ma6mswi]{stroke:#2f7fd1;stroke-width:4px}.ply-size[data-astro-cid-6ma6mswi] .dimln[data-astro-cid-6ma6mswi]{stroke:var(--text-muted);stroke-width:2px}.ply-size[data-astro-cid-6ma6mswi] .coil-dot[data-astro-cid-6ma6mswi]{fill:#2f7fd1}.ply-size[data-astro-cid-6ma6mswi] .zoom[data-astro-cid-6ma6mswi]{stroke:var(--text-muted);stroke-width:1.2px;stroke-dasharray:4 4}.ply-size[data-astro-cid-6ma6mswi] .inset[data-astro-cid-6ma6mswi]{fill:var(--surface-2);stroke:var(--border);stroke-width:1.5px}.ply-size[data-astro-cid-6ma6mswi] .walk[data-astro-cid-6ma6mswi]{fill:none;stroke:#2f7fd1;stroke-width:2.2px;stroke-linejoin:round}.ply-size[data-astro-cid-6ma6mswi] .cap[data-astro-cid-6ma6mswi].mid{font-size:19px}.ply-size[data-astro-cid-6ma6mswi] .cap[data-astro-cid-6ma6mswi].sm{font-size:18px}.ply-size[data-astro-cid-6ma6mswi] .muted2[data-astro-cid-6ma6mswi]{fill:var(--text-muted)}.ply-tg[data-astro-cid-e5awk7mv] .tg[data-astro-cid-e5awk7mv]{fill:#2f7fd1}.ply-tg[data-astro-cid-e5awk7mv] .tm[data-astro-cid-e5awk7mv]{fill:#d1453b}.ply-tg[data-astro-cid-e5awk7mv] .span[data-astro-cid-e5awk7mv]{stroke:var(--text-muted);stroke-width:3px;opacity:.5}.ply-tg[data-astro-cid-e5awk7mv] .grid[data-astro-cid-e5awk7mv]{stroke:var(--border);stroke-width:1px}.ply-tg[data-astro-cid-e5awk7mv] .axis[data-astro-cid-e5awk7mv]{stroke:var(--text-muted);stroke-width:2px}.ply-tg[data-astro-cid-e5awk7mv] .room[data-astro-cid-e5awk7mv]{stroke:#d9822b;stroke-width:2px;stroke-dasharray:6 4}.ply-tg[data-astro-cid-e5awk7mv] .room-t[data-astro-cid-e5awk7mv]{fill:#d9822b}.ply-tg[data-astro-cid-e5awk7mv] .cap[data-astro-cid-e5awk7mv].sm{font-size:18px}.ply-tg[data-astro-cid-e5awk7mv] .lbl[data-astro-cid-e5awk7mv]{fill:var(--text);font-size:18px}.ply-tg[data-astro-cid-e5awk7mv] .cap[data-astro-cid-e5awk7mv].end:not(.lbl){font-size:17px}.ply-codes[data-astro-cid-zqle5yvk] .tri[data-astro-cid-zqle5yvk]{fill:none;stroke:#1a9a5c;stroke-width:4px;stroke-linejoin:round;stroke-dasharray:22 6}.ply-codes[data-astro-cid-zqle5yvk] .num[data-astro-cid-zqle5yvk]{text-anchor:middle;font-size:24px;font-weight:700}.ply-codes[data-astro-cid-zqle5yvk] .abbr[data-astro-cid-zqle5yvk]{text-anchor:middle;font-size:20px;font-weight:700}.ply-codes[data-astro-cid-zqle5yvk] .item[data-astro-cid-zqle5yvk]{text-anchor:middle;fill:var(--text-muted);font-size:17px}