:root {
  --bg: #f4f7f2;
  --panel: #ffffff;
  --ink: #17221d;
  --muted: #66736d;
  --line: #dce6df;
  --green: #0d8a60;
  --green-dark: #076342;
  --green-soft: #e1f4eb;
  --gold: #b7822b;
  --gold-soft: #fff4db;
  --blue: #2e678d;
  --shadow: 0 18px 48px rgba(23, 34, 29, 0.09);
}

* { box-sizing: border-box; }

html {
  background: linear-gradient(180deg, #eaf3ed 0, var(--bg) 360px);
  color: var(--ink);
  font-family: Inter, "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  letter-spacing: 0;
}

body { margin: 0; min-height: 100vh; }

a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.vehicle-shell { min-height: 100vh; }

.vehicle-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px max(24px, calc((100vw - 1180px) / 2));
  background: rgba(244, 247, 242, 0.92);
  border-bottom: 1px solid rgba(23, 34, 29, 0.08);
  backdrop-filter: blur(14px);
}

.brand, .top-nav { display: flex; align-items: center; }
.brand { gap: 10px; font-weight: 800; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
}
.top-nav { gap: 18px; color: var(--muted); font-weight: 700; }
.top-nav a { text-decoration: none; }

.hero-band {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 32px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 42px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1 {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.08;
}
.hero-copy p:not(.eyebrow) {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.primary-action, .secondary-action {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}
.primary-action { background: var(--green); color: #fff; }
.secondary-action { background: var(--green-soft); color: var(--green-dark); }

.signal-panel {
  display: grid;
  gap: 12px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.signal-panel div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border-radius: 8px;
  background: #f8faf7;
}
.signal-panel span { color: var(--gold); font-size: 12px; font-weight: 900; }
.signal-panel strong { text-align: right; }

.query-layout, .content-band, .lead-band {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.query-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.36fr) minmax(0, 0.64fr);
  gap: 20px;
  align-items: start;
  padding: 18px 0 48px;
}

.query-panel, .results-panel, .lead-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.query-panel, .lead-form { padding: 22px; }
.results-panel { padding: 22px; overflow: hidden; }

.section-head { margin-bottom: 20px; }
.section-head h2 { margin: 0; font-size: clamp(24px, 3vw, 36px); }
.section-head.compact h2 { font-size: 22px; }

label { display: grid; gap: 7px; margin-bottom: 14px; color: var(--muted); font-weight: 700; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: #fbfdfb;
  color: var(--ink);
}
textarea { resize: vertical; }
button {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
}
.form-note, .form-status { margin: 12px 0 0; color: var(--muted); line-height: 1.6; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.metric-card {
  min-height: 116px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbf9;
}
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card strong { display: block; margin: 10px 0 6px; font-size: 26px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; }
th { background: #f2f6f2; color: var(--muted); font-size: 13px; }
td:last-child { font-weight: 900; }

.content-band { padding: 24px 0 52px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-grid article {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.feature-grid span { color: var(--gold); font-weight: 900; }
.feature-grid h3 { margin: 16px 0 10px; font-size: 22px; }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.75; }

.lead-band { padding: 0 0 72px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }

@media (max-width: 860px) {
  .vehicle-header { align-items: flex-start; flex-direction: column; }
  .hero-band, .query-layout { grid-template-columns: 1fr; }
  .metric-grid, .feature-grid, .field-grid { grid-template-columns: 1fr; }
  .hero-band { padding-top: 44px; }
}