:root{
  --bg:#f6f7f5; --card:#ffffff; --ink:#23262b; --muted:#6b7280; --line:#e4e7e4;
  --brand:#2f6b52; --brand-soft:#e8f1ec; --warn:#8a5a12; --warn-soft:#fdf3e3;
  --danger:#9b2c2c; --danger-soft:#fdecec; --info:#2b4f81; --info-soft:#eaf0f8;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans CJK SC","Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:20px 18px 64px}
header.top{display:flex;flex-wrap:wrap;gap:10px;align-items:baseline;justify-content:space-between;margin-bottom:6px}
header.top h1{font-size:19px;margin:0;font-weight:650;letter-spacing:.2px}
header.top .ver{font-size:12px;color:var(--muted)}
.headtools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 12px}
.badge{font-size:11.5px;border-radius:999px;padding:3px 10px;border:1px solid var(--line);background:#fff;color:var(--muted)}
.badge.ok{background:var(--brand-soft);color:var(--brand);border-color:#cfe3d8}
.badge.warn{background:var(--warn-soft);color:var(--warn);border-color:#f0dcb8}
.tagline{color:var(--muted);font-size:13px;margin:0 0 16px}
nav.steps{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
nav.steps button{border:1px solid var(--line);background:var(--card);color:var(--muted);
  border-radius:999px;padding:5px 11px;font-size:12.5px;cursor:pointer;transition:.15s}
nav.steps button:hover{border-color:#c9d3cd;color:var(--ink)}
nav.steps button.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
nav.steps button[disabled]{opacity:.4;cursor:not-allowed}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:14px}
.card h2{font-size:16.5px;margin:0 0 4px;font-weight:650}
.card h3{font-size:14px;margin:18px 0 6px;font-weight:650;color:#33403a}
.card p{margin:6px 0}
.goal{font-size:12.5px;color:var(--muted);margin:0 0 14px}
.quote{background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 8px 8px 0;padding:10px 14px;margin:12px 0;white-space:pre-wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.tile{border:1px solid var(--line);border-radius:10px;padding:14px;background:#fcfdfc;cursor:pointer;transition:.15s}
.tile:hover{border-color:var(--brand);box-shadow:0 2px 10px rgba(47,107,82,.08)}
.tile .id{font-size:11.5px;color:var(--muted);font-family:ui-monospace,Menlo,monospace}
.tile .t{font-weight:650;margin:3px 0 6px}
.tile .v{font-size:12.5px;color:var(--muted)}
table{width:100%;border-collapse:collapse;margin:8px 0;font-size:13.5px}
th,td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#fafbfa;font-weight:600;color:#3b4640;font-size:12.5px}
.pill{display:inline-block;border-radius:999px;padding:1px 9px;font-size:11.5px;font-weight:600;border:1px solid transparent;white-space:nowrap}
.p-ok{background:var(--brand-soft);color:var(--brand);border-color:#cfe3d8}
.p-warn{background:var(--warn-soft);color:var(--warn);border-color:#f0dcb8}
.p-info{background:var(--info-soft);color:var(--info);border-color:#cfdcef}
.p-mute{background:#f1f3f1;color:var(--muted);border-color:#e2e6e2}
.p-danger{background:var(--danger-soft);color:var(--danger);border-color:#f2cfcf}
.btn{display:inline-block;border:1px solid var(--brand);background:var(--brand);color:#fff;border-radius:8px;
  padding:7px 15px;font-size:13.5px;cursor:pointer;font-weight:600}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:#fff;color:var(--brand)}
.btn.ghost:hover{background:var(--brand-soft)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-top:14px}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:6px}
label.f{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
input.f,select.f{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff;font-family:inherit}
.notice{border-radius:10px;padding:11px 14px;font-size:13px;margin:10px 0}
.n-safety{background:var(--warn-soft);border:1px solid #f0dcb8;color:#6d4a12}
.n-info{background:var(--info-soft);border:1px solid #cfdcef;color:#27456f}
.n-stop{background:var(--danger-soft);border:1px solid #f2cfcf;color:#7d2626}
.n-ok{background:var(--brand-soft);border:1px solid #cfe3d8;color:#245743}
.tl{border-left:2px solid var(--line);margin:6px 0 0 6px;padding-left:16px}
.tl .item{position:relative;padding:10px 0 12px}
.tl .item:before{content:"";position:absolute;left:-23px;top:17px;width:9px;height:9px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 3px #fff}
.tl .item.mute:before{background:#c2c8c4}
.tl .item.cm:before{background:#d9a94a}
.tl .hd{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tl .hd .cid{font-size:11.5px;color:var(--muted);font-family:ui-monospace,Menlo,monospace}
.tl .find{font-size:13.5px;margin:4px 0 6px}
.tl .meta{font-size:12.5px;color:var(--muted)}
.ev{display:inline-block;border:1px solid var(--line);border-radius:7px;padding:2px 8px;margin:2px 5px 2px 0;font-size:12px;background:#fbfcfb}
.chain{cursor:pointer}
.chain:hover{background:#f7faf8}
.foot{margin-top:22px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
details.selfcheck{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}
details.selfcheck summary{cursor:pointer;font-weight:650;font-size:13.5px}
code{background:#f2f4f2;border-radius:4px;padding:1px 5px;font-size:12.5px;font-family:ui-monospace,Menlo,monospace}
.kbd{font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--muted)}
ul.tight{margin:6px 0;padding-left:20px}
ul.tight li{margin:3px 0}

/* ---------- 儿童模式（独立全屏界面，仅玩法，无判断） ---------- */
.cm-overlay{position:fixed;inset:0;background:#fdf8ef;z-index:9000;overflow:auto;display:none}
.cm-overlay.on{display:block}
.cm-wrap{max-width:820px;margin:0 auto;padding:18px 16px 44px}
.cm-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.cm-title{font-size:24px;font-weight:800;color:#3b3222}
.cm-hint{font-size:15px;color:#7a7364}
.cm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:16px}
.cm-card{background:#fff;border:2px solid #e8dfcd;border-radius:20px;padding:18px 14px;cursor:pointer;text-align:center;transition:.15s}
.cm-card:hover{border-color:#d9a94a;transform:translateY(-2px)}
.cm-card .ico{font-size:46px;line-height:1.15}
.cm-card .nm{font-size:21px;font-weight:800;margin:6px 0 2px;color:#3b3222}
.cm-card .mt{font-size:13.5px;color:#7a7364}
.cm-stage{background:#fff;border:2px solid #e8dfcd;border-radius:22px;padding:22px;margin-top:16px;min-height:360px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center}
.cm-prompt{font-size:27px;font-weight:800;line-height:1.5;color:#3b3222}
.cm-sub{font-size:17px;color:#7a7364}
.cm-btn{font-size:22px;padding:15px 32px;border-radius:999px;border:2px solid #2f6b52;background:#2f6b52;color:#fff;font-weight:800;cursor:pointer}
.cm-btn.alt{background:#fff;color:#2f6b52}
.cm-btn.big{font-size:30px;padding:26px 56px}
.cm-dots{display:flex;gap:9px;justify-content:center;margin-top:16px}
.cm-dot{width:13px;height:13px;border-radius:50%;background:#e2d9c6}
.cm-dot.on{background:#d9a94a}
.cm-foot{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.cm-quiet{border:2px dashed #d9cbb0;background:#fffdf7;border-radius:999px;padding:12px 22px;font-size:18px;cursor:pointer;color:#7a7364}
.cm-pad{width:min(66vw,300px);height:min(66vw,300px);border-radius:50%;border:none;font-size:28px;font-weight:800;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 22px rgba(0,0,0,.12)}
.cm-pad.go{background:#3f8f5f}
.cm-pad.stop{background:#b4453f}
.cm-pad.idle{background:#cfc7b6}
.cm-tiles{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.cm-tile{font-size:22px;padding:12px 18px;border-radius:14px;border:2px solid #cbbf9f;background:#fff;cursor:pointer;font-weight:700;color:#3b3222}
.cm-tile.used{opacity:.3;pointer-events:none}
.cm-line{min-height:60px;border-bottom:3px solid #e2d9c6;font-size:25px;font-weight:800;display:flex;align-items:center;
  justify-content:center;padding:0 10px;gap:8px;flex-wrap:wrap;color:#3b3222}
.cm-choice{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cm-opt{width:118px;height:118px;border-radius:18px;border:3px solid #e2d9c6;background:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:36px}
.cm-opt.wide{width:auto;min-width:118px;height:96px;font-size:22px;font-weight:800;color:#3b3222;padding:0 18px}
.cm-opt.ok{border-color:#3f8f5f;background:#eef7f1}
.cm-opt.no{border-color:#e0c9a0;background:#fdf6e6}
.cm-scene{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;background:#f7f3e8;border-radius:18px;padding:18px;width:100%;max-width:520px}
.cm-scene .obj{font-size:54px;text-align:center}
.cm-beat{width:66px;height:66px;border-radius:50%;background:#e2d9c6;transition:transform .09s,background .09s}
.cm-beat.on{background:#d9a94a;transform:scale(1.28)}
.cm-hold{user-select:none;-webkit-user-select:none;touch-action:none}
.cm-exit{font-size:13px;color:#8a8272;background:#fff;border:1px solid #e2d9c6;border-radius:999px;padding:8px 14px;cursor:pointer}
.cm-bar{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:14px;flex-wrap:wrap}
.cm-note{font-size:13.5px;color:#8a8272}

@media print{
  body{background:#fff}
  nav.steps,.btn,.no-print,.headtools{display:none!important}
  .card{break-inside:avoid;box-shadow:none}
  .wrap{max-width:none;padding:0}
  .cm-overlay{display:none!important}
}

/* v0.4：动态点目标（G8）与顺序记忆（G9） */
.cm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%;max-width:560px;
  background:#f7f3e8;border-radius:18px;padding:14px}
.cm-cell{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.cm-token{width:100%;height:100%;border-radius:14px;border:none;background:#fff;font-size:34px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.cm-token.ok{background:#eef7f1;border:3px solid #3f8f5f}
.cm-token.no{background:#fdf6e6;border:3px solid #e0c9a0}
.cm-targetbar{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#3b3222}
.cm-targetbar .big{font-size:40px}
.cm-seq{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cm-seq .slot{width:74px;height:74px;border-radius:16px;border:3px dashed #d9cbb0;background:#fffdf7;
  display:flex;align-items:center;justify-content:center;font-size:34px}
.cm-seq .slot.on{border-style:solid;border-color:#d9a94a;background:#fff3d9}
.cm-voice{font-size:13px;color:#8a8272;background:#fff;border:1px solid #e2d9c6;border-radius:999px;padding:8px 14px;cursor:pointer}

/* v0.5：实测入口（家长自录观察 + 本机数据） */
textarea.f{min-height:76px;resize:vertical;font:inherit;line-height:1.6;padding:10px 12px;width:100%;
  border:1px solid #d9d5c9;border-radius:10px;background:#fff;color:inherit}
.item.obs{border-left:3px solid #7aa88c}
.item.obs .find{white-space:pre-wrap}
.store{background:#fbf9f3;border:1px solid #e6e0d2;border-radius:12px;padding:12px 14px;margin-top:6px}
.store .kbd{display:block;margin-top:6px}
@media print{.item.obs{break-inside:avoid}}

/* v0.5.1：手机安装指引（按判定结果给出可照做的步骤） */
.pwahint{font-size:12.5px;line-height:1.7;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-left:3px solid var(--brand);border-radius:10px;padding:9px 12px;margin:0 0 12px}
.pwahint b{color:var(--ink)}
@media print{.pwahint{display:none}}

/* v0.5.1：点「安装到设备」后的回应面板 */
.installnote{font-size:12.5px;line-height:1.75;background:#fdf6e6;border:1px solid #f0dcb8;border-left:3px solid var(--warn);
  color:#6b5423;border-radius:10px;padding:10px 12px;margin:0 0 12px}
.installnote.ok{background:var(--brand-soft);border-color:#cfe3d8;border-left-color:var(--brand);color:var(--brand)}
.installnote b{color:inherit}
@media print{.installnote{display:none}}