:root {
      --bg: #0b0f17;
      --panel2: #0f1623;
      --text: #e6edf7;
      --muted: #a9b4c7;
      --border: #243146;
      --danger: #ff6b6b;
      --ok: #66d9a5;
      --warn: #ffd166;
      --accent: #7aa2ff;
    }
    html, body { height: 100%; }
    body {
      margin: 0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      background: radial-gradient(1200px 700px at 30% 10%, #15243b 0%, var(--bg) 55%);
      color: var(--text);
    }
    .wrap { max-width: 1100px; margin: 24px auto; padding: 0 16px 40px; }
    h1 { font-size: 20px; margin: 0 0 12px; letter-spacing: 0.2px; }
    .sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; line-height: 1.6; }
    .card {
      background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0));
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 14px;
      box-shadow: 0 12px 28px rgba(0,0,0,0.25);
    }
    .card h2 { font-size: 14px; margin: 0 0 10px; color: #dce6fb; }
    .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    @media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }
    label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
    select, input[type="number"], input[type="text"] {
      width: 100%; box-sizing: border-box; background: var(--panel2);
      border: 1px solid var(--border); color: var(--text);
      border-radius: 10px; padding: 10px 10px; outline: none;
    }
    input[type="text"]::placeholder { color: #6f7f9c; }
    .btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
    button {
      background: var(--panel2); border: 1px solid var(--border); color: var(--text);
      border-radius: 12px; padding: 10px 12px; cursor: pointer; font-size: 13px;
    }
    button.primary { border-color: rgba(122,162,255,0.55); background: rgba(122,162,255,0.12); }
    button.danger { border-color: rgba(255,107,107,0.55); background: rgba(255,107,107,0.12); }
    button:disabled { opacity: 0.55; cursor: not-allowed; }
    .stepper { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 14px; }
    .pill {
      font-size: 12px; border: 1px solid var(--border); background: rgba(255,255,255,0.02);
      border-radius: 999px; padding: 6px 10px; color: var(--muted);
      user-select: none; cursor: default; transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    }
    .pill.clickable { cursor: pointer; }
    .pill.clickable:hover { border-color: rgba(122,162,255,0.45); color: #dce6fb; }
    .pill.active { border-color: rgba(122,162,255,0.6); color: var(--text); }
    .warn {
      border-left: 4px solid var(--danger); background: rgba(255,107,107,0.12);
      padding: 10px 12px; border-radius: 10px; color: #ffd9d9;
      font-size: 13px; line-height: 1.6;
    }
    .hint {
      border-left: 4px solid var(--warn); background: rgba(255,209,102,0.12);
      padding: 10px 12px; border-radius: 10px; color: #ffecc2;
      font-size: 13px; line-height: 1.6;
    }
    .ok {
      border-left: 4px solid var(--ok); background: rgba(102,217,165,0.12);
      padding: 10px 12px; border-radius: 10px; color: #d6ffee;
      font-size: 13px; line-height: 1.6;
    }
    .section { border: 1px solid var(--border); border-radius: 12px; padding: 10px; background: rgba(255,255,255,0.02); }
    .section h3 { margin: 0 0 8px; font-size: 13px; color: #dce6fb; }
    .subsec { border: 1px dashed rgba(169,180,199,0.35); border-radius: 12px; padding: 10px; background: rgba(255,255,255,0.01); }
    .subsec h4 { margin: 0 0 8px; font-size: 13px; color: #dce6fb; }
    .radioRow { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
    .radioRow label { margin: 0; color: var(--text); display: inline-flex; gap: 8px; align-items: center; font-size: 13px; }
    .radioRow input { transform: scale(1.05); }
    .skill-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
    .skill-section { border: 1px solid var(--border); border-radius: 12px; padding: 10px; background: rgba(255,255,255,0.02); }
    .skill-section h3 { margin: 0 0 8px; font-size: 13px; color: #dce6fb; }
    .skill-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    @media (max-width: 900px) { .skill-list { grid-template-columns: 1fr; } }
    .skill-item {
      width: 100%;
      text-align: left;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 12px;
      border: 1px solid var(--border);
      background: var(--panel2);
      border-radius: 12px;
      opacity: 1;
      transition: transform .15s ease, border-color .15s ease, background .2s ease, box-shadow .2s ease;
    }
    .skill-item:hover:not(:disabled) {
      transform: translateY(-1px);
      border-color: rgba(122,162,255,0.48);
      box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    }
    .skill-item.selected {
      border-color: rgba(122,162,255,0.72);
      background: linear-gradient(180deg, rgba(122,162,255,0.2), rgba(122,162,255,0.08));
      box-shadow: 0 0 0 1px rgba(122,162,255,0.25) inset;
    }
    .skill-item.required {
      border-color: rgba(102,217,165,0.65);
      box-shadow: 0 0 0 1px rgba(102,217,165,0.18) inset;
    }
    .skill-item.disabled { opacity: 0.45; }
    .skill-meta { min-width: 0; flex: 1; }
    .skill-item small { color: var(--muted); display: block; margin-top: 4px; line-height: 1.4; }
    .skill-marker {
      width: 22px;
      height: 22px;
      border-radius: 7px;
      border: 1px solid var(--border);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-top: 2px;
      color: transparent;
      background: rgba(255,255,255,0.03);
      font-weight: 700;
      transition: all .2s ease;
      flex: 0 0 auto;
    }
    .skill-marker.checked {
      color: #fff;
      border-color: rgba(70,150,255,0.8);
      background: linear-gradient(180deg, #2396ff, #1a73e8);
      box-shadow: 0 0 0 1px rgba(35,150,255,0.25);
    }
    .order-list { display: grid; grid-template-columns: 1fr; gap: 8px; }
    .order-row { display: grid; grid-template-columns: 1.2fr 0.7fr 0.7fr auto; gap: 8px; align-items: center; padding: 10px; background: var(--panel2); border: 1px solid var(--border); border-radius: 12px; }
    @media (max-width: 900px) { .order-row { grid-template-columns: 1fr; } .order-row .miniBtns { justify-content: flex-start; } }
    .badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); margin-left: 8px; }
    .badge.blue { border-color: rgba(122,162,255,0.6); color: #dce6fb; }
    .badge.dynamic { border-color: rgba(255,209,102,0.72); color: #ffe9b0; background: rgba(255,209,102,0.12); }
    .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
    table { width: 100%; border-collapse: collapse; font-size: 13px; overflow: hidden; border-radius: 12px; }
    th, td { border-bottom: 1px solid var(--border); padding: 10px 10px; vertical-align: top; }
    th { text-align: left; color: #cfe0ff; background: rgba(255,255,255,0.03); }
    tr.vacuum td, tr.row-vacuum td { color: #ffd9d9; background: rgba(255,107,107,0.10); border-bottom-color: rgba(255,107,107,0.35); }
    tr.vacuum td:first-child, tr.row-vacuum td:first-child { box-shadow: inset 3px 0 0 rgba(255,107,107,0.5); }
    tr.vacuum.death td, tr.row-vacuum.row-death td { color: #ffe6e6; background: rgba(255, 60, 60, 0.22); border-bottom-color: rgba(255, 80, 80, 0.55); }
    tr.vacuum.death td:first-child, tr.row-vacuum.row-death td:first-child { box-shadow: inset 4px 0 0 rgba(255, 60, 60, 0.85); }
    tr.skip td, tr.row-skip td { color: #ffecc2; background: rgba(255,209,102,0.10); }
    .muted { color: var(--muted); }
    .hidden { display: none; }
    .footerNote { margin-top: 16px; color: var(--muted); font-size: 12px; line-height: 1.6; }
    .visitStats {
      text-align: center;
      color: var(--muted);
      font-size: 12px;
      padding: 8px 16px 20px;
    }
    .kbd {
      display:inline-block; padding: 1px 6px; border: 1px solid var(--border);
      border-radius: 6px; background: rgba(255,255,255,0.02);
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
      font-size: 12px; color: #dce6fb;
    }