:root{--bg: #07120f;--bg2: #0a1815;--card: #0f201b;--card2: #142a24;--line: #1e3a32;--ink: #e6f5ef;--mut: #85b3a5;--dim: #567d72;--atom: #61dafb;--teal: #2dd4bf;--teal2: #14b8a6;--teall: #5eead4;--amber: #fbbf24;--green: #34d399}*{box-sizing:border-box}html,body,#root{margin:0;padding:0}body{background:radial-gradient(1100px 560px at 82% -10%,#0c3a30 0%,var(--bg) 55%);color:var(--ink);font:15px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;min-height:100vh}a{color:var(--teall);text-decoration:none}a:hover{text-decoration:underline}code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;background:#07120f;border:1px solid var(--line);border-radius:5px;padding:1px 5px;color:var(--teall)}.wrap{max-width:1120px;margin:0 auto;padding:26px 20px 56px}.top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}h1{font-size:24px;margin:0;letter-spacing:-.4px;display:flex;align-items:center;gap:10px}.atom{color:var(--atom)}.gh{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:8px 14px;font-size:13px}.gh:hover{border-color:var(--teal2);text-decoration:none}.sub{color:var(--mut);margin:8px 0 0;max-width:840px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px;align-items:start}@media(max-width:820px){.grid{grid-template-columns:1fr}}.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:14px;padding:16px}.ch{font-weight:800;font-size:15px;display:flex;align-items:center;gap:8px}.ch .tag{width:22px;height:22px;border-radius:6px;background:var(--teal2);color:#04140f;display:grid;place-items:center;font-size:12px;font-weight:800}.demo{background:#091714;border:1px solid var(--line);border-radius:11px;padding:14px;margin-top:12px;min-height:92px}.hint{color:var(--mut);font-size:12.5px;margin:10px 0 0;line-height:1.5}.code{background:#07120f;border:1px solid var(--line);border-radius:10px;padding:11px;margin:12px 0 0;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;line-height:1.55;color:var(--mut);white-space:pre;overflow-x:auto}.loaded{background:#0c2a20;border:1px solid #1c4a39;border-radius:9px;padding:12px;color:var(--green);font-size:13.5px;animation:fade .3s}.loaded b{color:var(--teall)}.loaded .sub2{color:var(--mut);font-size:12px;margin-top:6px}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1}}.skel{padding:4px 0}.skel .bar{height:14px;border-radius:6px;margin-bottom:9px;background:linear-gradient(90deg,#142a24,#1e4034,#142a24);background-size:200% 100%;animation:sh 1.1s infinite}.skel .bar.w70{width:70%}@keyframes sh{0%{background-position:200% 0}to{background-position:-200% 0}}.sklabel{color:var(--amber);font-size:11.5px;font-family:ui-monospace,monospace;margin-top:4px}.row{display:flex;gap:9px;align-items:center;margin-top:12px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:var(--card2);color:var(--ink);border-radius:9px;padding:9px 14px;cursor:pointer;font:inherit;font-size:13px}.btn:hover{border-color:var(--teal2)}.btn.primary{border:0;background:linear-gradient(180deg,var(--teal),var(--teal2));color:#04140f;font-weight:800}.center{display:grid;place-items:center;min-height:60px}.dim{opacity:.5;transition:opacity .2s}.pendtag{color:var(--amber);font-size:12.5px;font-family:ui-monospace,monospace}.tips{margin-top:18px;background:#091714;border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--mut);font-size:13.5px;line-height:1.65}.tips b{color:var(--ink)}footer{margin-top:28px;color:var(--dim);font-size:12.5px;text-align:center;border-top:1px solid var(--line);padding-top:18px}