:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #18202f;
  --muted: #687385;
  --line: #dde2ea;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --green: #0f766e;
  --soft-blue: #eaf1ff;
  --shadow: 0 14px 36px rgba(20, 32, 54, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", Arial, sans-serif;
}

a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 28px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.brand strong { font-size: 20px; }
.brand span { color: var(--muted); font-size: 14px; }

main { width: min(1180px, calc(100% - 32px)); margin: 0 auto 48px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  padding: 42px 0 24px;
}

.hero-copy {
  padding: 34px;
  background: linear-gradient(135deg, #ffffff 0%, #edf4ff 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}

h1, h2, p { margin-top: 0; }
h1 { max-width: 820px; margin-bottom: 14px; font-size: 42px; line-height: 1.14; letter-spacing: 0; }
h2 { margin-bottom: 10px; font-size: 22px; line-height: 1.25; letter-spacing: 0; }
p { color: var(--muted); line-height: 1.75; }

.owner-card, .panel, .section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.owner-card { padding: 24px; }
.owner-lines { display: grid; gap: 10px; color: var(--muted); }
.owner-lines b { color: var(--primary); }

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 22px;
  align-items: start;
}

.panel { padding: 24px; }
.panel-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
.status { color: var(--green); font-size: 13px; font-weight: 700; text-align: right; }

.drop-zone {
  display: grid;
  gap: 8px;
  min-height: 128px;
  place-items: center;
  padding: 24px;
  border: 1px dashed #9bb0ca;
  border-radius: 8px;
  background: #fbfcff;
  text-align: center;
  cursor: pointer;
}

.drop-zone input { display: none; }
.drop-zone strong { color: var(--primary); }
.drop-zone small { color: var(--muted); }

.file-list { display: grid; gap: 8px; margin: 12px 0; }
.file-pill { padding: 8px 10px; background: var(--soft-blue); border-radius: 8px; color: #1f3b75; font-size: 13px; }

.field { display: grid; gap: 8px; margin-bottom: 14px; }
.field span { color: #344155; font-size: 14px; font-weight: 700; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  outline: none;
}

.field input, .field select { min-height: 44px; padding: 0 12px; }
.field textarea { min-height: 180px; padding: 12px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.meta-row { display: flex; justify-content: space-between; align-items: center; margin: 8px 0 18px; color: var(--muted); font-size: 13px; }

.lead-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 16px;
  align-items: end;
  margin-top: 6px;
  padding: 16px;
  border-radius: 8px;
  background: #f0fdfa;
  border: 1px solid #a7f3d0;
}
.lead-box p { margin-bottom: 0; font-size: 14px; }
.field.compact { margin-bottom: 0; }

.actions, .preview-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

button, .primary-link {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button, .primary-link { background: var(--primary); color: #fff; }
.primary-button:hover, .primary-link:hover { background: var(--primary-dark); }
.ghost-button { background: #eef2f7; color: #243047; }
.text-button { min-height: auto; padding: 0; background: transparent; color: var(--primary); }
button:disabled { opacity: .55; cursor: not-allowed; }

.slide-preview {
  min-height: 390px;
  display: grid;
  align-items: stretch;
  border-radius: 8px;
  background: #111827;
  padding: 16px;
}

.slide-card {
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 358px;
  padding: 34px;
  background: linear-gradient(135deg, #ffffff 0%, #edf4ff 100%);
  border-radius: 8px;
}

.slide-card h3 { margin: 0; font-size: 30px; line-height: 1.2; letter-spacing: 0; }
.slide-card .subtitle { margin: 0; color: var(--primary); font-weight: 700; }
.slide-card ul { margin: 0; padding-left: 22px; display: grid; gap: 10px; color: #334155; line-height: 1.5; }
.slide-card .notes { padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.6; }

.empty {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: #dbeafe;
  text-align: center;
}

.slide-list { display: grid; gap: 8px; margin-top: 16px; max-height: 260px; overflow: auto; }
.slide-item { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: #fff; cursor: pointer; }
.slide-item.active { border-color: var(--primary); background: var(--soft-blue); }
.slide-item strong { display: block; margin-bottom: 4px; }
.slide-item span { color: var(--muted); font-size: 13px; }

.section {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-top: 22px;
  padding: 24px;
}
.section p { margin-bottom: 0; }
.primary-link { display: inline-flex; align-items: center; white-space: nowrap; }
.company-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: stretch;
  background: linear-gradient(135deg, #f8fbff 0%, #eef7f4 100%);
}
.contact-kicker {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #e8f2ff;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
}
.contact-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.contact-points span,
.contact-card-line {
  padding: 10px 12px;
  border: 1px solid #dfe8f2;
  border-radius: 8px;
  background: #fff;
}
.contact-points span { text-align: center; color: #334155; font-size: 14px; }
.contact-card-list { display: grid; gap: 10px; }
.contact-card-line { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.contact-card-line span { color: var(--muted); font-size: 13px; }
.contact-card-line strong { color: var(--text); }
.qr-contact {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid #dfe8f2;
  border-radius: 8px;
  background: #fff;
}
.qr-contact img {
  width: 116px;
  height: 116px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #edf2f7;
}
.qr-contact strong { display: block; margin-bottom: 6px; }
.qr-contact span { color: var(--muted); font-size: 13px; line-height: 1.6; }

@media (max-width: 900px) {
  .topbar, .hero, .tool-layout, .section { display: block; }
  .company-contact { display: grid; grid-template-columns: 1fr; }
  .contact-points { grid-template-columns: repeat(2, 1fr); }
  .qr-contact { grid-template-columns: 1fr; }
  .qr-contact img { width: 140px; height: 140px; }
  .owner-card, .result-panel { margin-top: 16px; }
  h1 { font-size: 32px; }
  .grid-2, .lead-box { grid-template-columns: 1fr; }
  .panel-head { display: block; }
  .status { display: block; margin-top: 8px; text-align: left; }
}