:root {
  --bg: #f3f6f4;
  --panel: #ffffff;
  --ink: #1d2a28;
  --muted: #66736f;
  --line: #dbe4e0;
  --accent: #0f766e;
  --accent-soft: #e2f2ef;
  --warn: #b45309;
  --warn-soft: #fdf3e0;
  --danger: #b91c1c;
  --danger-soft: #fdecec;
  --ok: #15803d;
  --ok-soft: #e6f5ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0;
}
.brand h1 { margin: 0; font-size: 17px; line-height: 1.25; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }

.top-actions { display: flex; gap: 8px; flex-shrink: 0; }

.ghost-btn, .primary-btn, .sample-btn, .tab-btn {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  letter-spacing: 0;
}
.ghost-btn:hover, .sample-btn:hover { border-color: var(--accent); color: var(--accent); }
.primary-btn {
  width: 100%;
  margin-top: 12px;
  padding: 11px 12px;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.primary-btn:hover { background: #0b645e; }

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 20px 28px;
}

.input-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  height: fit-content;
}

.input-panel h2 { margin: 0 0 12px; font-size: 15px; }
.input-panel label { display: block; margin: 12px 0 5px; color: var(--muted); font-size: 12px; }
textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  color: var(--ink);
  padding: 10px;
  font: inherit;
  resize: vertical;
}
textarea:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

.sample-label { margin: 14px 0 6px; color: var(--muted); font-size: 12px; }
.sample-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sample-btn { padding: 7px 8px; font-size: 12px; text-align: center; }

.data-note {
  margin-top: 16px;
  padding: 10px 12px;
  border-left: 3px solid var(--warn);
  background: var(--warn-soft);
  border-radius: 0 6px 6px 0;
  display: grid;
  gap: 4px;
  color: #6b4a12;
  font-size: 12px;
}
.data-note strong { font-size: 12px; }

.workspace { min-width: 0; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tab-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  padding: 10px 12px;
  background: var(--accent-soft);
  border: 1px solid #c8e5e0;
  border-radius: 8px;
  font-size: 13px;
}
.summary-strip .chip {
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid #c8e5e0;
  color: var(--accent);
  white-space: nowrap;
}

.step-grid { display: grid; gap: 12px; }
.step-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: #fafcfb;
}
.step-no {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}
.step-head h3 { margin: 0; font-size: 14px; }
.status { margin-left: auto; font-size: 12px; color: var(--muted); }
.status.done { color: var(--ok); }
.step-body { padding: 14px; overflow-x: auto; }
.placeholder { color: var(--muted); margin: 0; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 620px; }
th, td { padding: 8px 9px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f0f5f2; font-weight: 600; white-space: nowrap; }
td { color: #2c3a37; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 12px;
  white-space: nowrap;
}
.badge-a { background: var(--ok-soft); color: var(--ok); }
.badge-b { background: var(--accent-soft); color: var(--accent); }
.badge-c { background: var(--warn-soft); color: var(--warn); }
.badge-wait { background: #eef0ef; color: var(--muted); }
.badge-high { background: var(--danger-soft); color: var(--danger); }
.badge-mid { background: var(--warn-soft); color: var(--warn); }
.badge-low { background: #eef0ef; color: var(--muted); }

.tier-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.tier-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fcfdfc;
}
.tier-card.recommended { border-color: var(--accent); background: var(--accent-soft); }
.tier-card h4 { margin: 0 0 6px; font-size: 14px; }
.tier-card .tier-total { margin: 6px 0 8px; font-size: 18px; font-weight: 700; color: var(--accent); }
.tier-card ul { margin: 0; padding-left: 18px; font-size: 13px; }
.tier-card li { margin-bottom: 4px; }

.quote-block, .risk-block, .follow-block, .inquiry-block { display: grid; gap: 10px; }
.sub-block { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; background: #fcfdfc; }
.sub-block h4 { margin: 0 0 6px; font-size: 13px; }
.quote-total { font-size: 20px; font-weight: 700; color: var(--accent); }

.kv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; }
.kv { border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; background: #fcfdfc; }
.kv .k { color: var(--muted); font-size: 12px; display: block; }
.kv .v { font-weight: 600; font-size: 13px; }

.message-card, .case-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--panel);
}
.message-card p, .case-card p { margin: 4px 0; }

.kb-section { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin-bottom: 12px; }
.kb-section h2 { margin: 0 0 10px; font-size: 15px; }

.site-footer {
  padding: 14px 20px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .input-panel { position: static; }
  .tier-grid { grid-template-columns: 1fr; }
}

@media print {
  body { background: #fff; }
  .topbar, .input-panel, .tabs, .site-footer { display: none !important; }
  .layout { display: block; padding: 0; }
  .tab-panel { display: none !important; }
  .tab-panel.active { display: block !important; }
  .step-card { break-inside: avoid; }
}