:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #2563eb;
  --brand-d: #1d4ed8;
  --ok: #16a34a;
  --warn: #ea580c;
  --soft: #eef2ff;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.05);
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 28px 20px 80px; }
header.top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.logo { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, #2563eb, #7c3aed); color: #fff; font-weight: 800; font-size: 18px; }
h1 { font-size: 24px; margin: 0; }
.sub { color: var(--muted); font-size: 14px; margin: 2px 0 0; }
nav.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 22px; }
nav.tabs a { padding: 9px 14px; background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; font-size: 13px; color: var(--muted); }
nav.tabs a.active, nav.tabs a:hover { color: #fff; background: var(--brand); border-color: var(--brand); text-decoration: none; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); margin-bottom: 18px; }
.card h2 { font-size: 18px; margin: 0 0 12px; }
.card h3 { font-size: 15px; margin: 18px 0 8px; color: var(--ink); }
.muted { color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px;
  background: var(--soft); color: var(--brand-d); font-weight: 600; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 10px;
  border: 1px solid var(--brand); background: var(--brand); color: #fff; font-size: 14px; font-weight: 600;
  cursor: pointer; }
.btn:hover { background: var(--brand-d); }
.btn.ghost { background: #fff; color: var(--brand); }
.btn.ghost:hover { background: var(--soft); }
.btn.sm { padding: 7px 12px; font-size: 13px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.spacer { height: 14px; }
/* questionnaire */
.dim-block { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; overflow: hidden; }
.dim-head { padding: 12px 16px; font-weight: 700; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 4px 0; }
.dim-head .w { font-size: 12px; font-weight: 600; color: #fff; background: rgba(255,255,255,.25); padding: 2px 8px; border-radius: 999px; }
.dim-head .dq { flex-basis: 100%; font-size: 13px; font-weight: 500; color: rgba(255,255,255,.94); margin-top: 5px; }
.q { padding: 10px 16px; border-top: 1px solid var(--line); }
.q .t { font-size: 14px; margin-bottom: 8px; }
.q .t .id { color: var(--muted); font-size: 12px; margin-right: 6px; }
.q .t .rev { color: var(--warn); font-size: 11px; border: 1px solid var(--warn); border-radius: 6px; padding: 0 5px; margin-left: 6px; }
.likert { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.likert label { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 7px 4px;
  border: 1px solid var(--line); border-radius: 9px; cursor: pointer; font-size: 12px; color: var(--muted); }
.likert label:hover { border-color: var(--brand); }
.likert input { accent-color: var(--brand); }
.likert input:checked + .lab { color: var(--brand-d); font-weight: 700; }
.likert .lab { font-size: 12px; }
.progress { position: sticky; top: 0; z-index: 20; background: rgba(247,248,250,.92); backdrop-filter: blur(6px);
  padding: 10px 0; margin-bottom: 14px; }
.bar { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.bar > span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #2563eb, #7c3aed); transition: width .25s; }
/* report */
.gauge-wrap { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.gauge-num { font-size: 46px; font-weight: 800; line-height: 1; }
.score-bad { color: var(--warn); } .score-mid { color: var(--brand); } .score-hi { color: var(--ok); }
.dim-bar { margin: 9px 0; }
.dim-bar .lab { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 3px; }
.dim-bar .dq { font-size: 11.5px; color: var(--muted); margin: 1px 0 4px; }
.track { height: 10px; background: var(--line); border-radius: 999px; overflow: hidden; }
.track > span { display: block; height: 100%; border-radius: 999px; }
.kpi { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--soft); }
.kpi .n { font-size: 28px; font-weight: 800; }
.plan-phase { border-left: 3px solid var(--brand); padding: 6px 0 6px 14px; margin: 10px 0; }
.plan-phase .ph { font-weight: 700; }
.plan-phase ol { margin: 6px 0 0; padding-left: 18px; }
.plan-phase li { margin: 3px 0; font-size: 14px; }
.note { font-size: 13px; color: var(--muted); }
.callout { border: 1px solid var(--line); border-left: 4px solid var(--brand); border-radius: 10px; padding: 14px 16px; background: #fbfcff; }
.footer { color: var(--muted); font-size: 12px; text-align: center; margin-top: 30px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tbl th, table.tbl td { border: 1px solid var(--line); padding: 7px 9px; text-align: left; }
table.tbl th { background: var(--soft); }
.hidden { display: none; }
.tag { font-size: 11px; padding: 1px 7px; border-radius: 6px; background: #f1f5f9; color: #475569; }
ul.clean { padding-left: 18px; } ul.clean li { margin: 4px 0; }
/* recommendation engine */
.warnbox { border: 1px solid var(--warn); background: #fff6f4; color: #7a241a;
  border-radius: 10px; padding: 10px 14px; font-size: 13px; margin-top: 10px; }
.rec-dim { border: 1px solid var(--line); border-left: 4px solid var(--brand); background: #fbfcff;
  border-radius: 10px; padding: 13px 15px; margin: 12px 0; }
.rec-head { font-size: 15px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rec-head .muted { font-size: 13px; }
.rec-sub { font-size: 13.5px; margin: 8px 0 0; }
.rec-sub ul.clean li { margin: 5px 0; }
form.lead label { display: block; font-size: 13px; margin: 10px 0 4px; color: var(--muted); }
form.lead input, form.lead select, form.lead textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; font-family: inherit; }