* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1d3557;
  --muted: #6c757d;
  --border: #dee2e6;
  --accent: #457b9d;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding: 16px;
}
.header {
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 20px 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(230,57,70,.25);
}
.header h1 { font-size: 22px; font-weight: 700; letter-spacing: 2px; }
.header p { font-size: 13px; opacity: .9; margin-top: 4px; }
.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 820px) { .layout { grid-template-columns: 1fr; } }
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.card h2 {
  font-size: 16px;
  color: var(--primary-dark);
  border-left: 4px solid var(--primary);
  padding-left: 10px;
  margin-bottom: 16px;
}
.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field .req { color: var(--primary); margin-left: 2px; }
input[type="text"], input[type="tel"], input[type="number"], input[type="date"], textarea, select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit;
  transition: border-color .2s; background: #fff;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(69,123,157,.15);
}
textarea { resize: vertical; min-height: 60px; }
.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-group label {
  display: inline-flex; align-items: center; gap: 4px; padding: 7px 14px;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  font-size: 14px; font-weight: 400; transition: all .15s; user-select: none;
}
.radio-group label:hover { border-color: var(--accent); }
.radio-group input { display: none; }
.radio-group input:checked + span { color: var(--primary-dark); font-weight: 600; }
.radio-group label:has(input:checked) { background: #fff0f1; border-color: var(--primary); }
.sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .sub-grid { grid-template-columns: 1fr; } }

/* 同住人数 数字九宫格 */
.numgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-width: 220px; }
.numgrid label {
  display: flex; align-items: center; justify-content: center; padding: 10px 0;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
  font-size: 14px; font-weight: 600; user-select: none; transition: all .15s;
}
.numgrid label:hover { border-color: var(--accent); }
.numgrid input { display: none; }
.numgrid input:checked + span { color: var(--primary-dark); font-weight: 700; }
.numgrid label:has(input:checked) { background: #fff0f1; border-color: var(--primary); }

/* 正式表格 */
.formal-wrap { overflow-x: auto; }
table.formal {
  width: 100%; border-collapse: collapse; font-size: 14px; background: #fff;
}
table.formal caption {
  caption-side: top; font-size: 17px; font-weight: 700; color: var(--text);
  padding: 6px 0 12px; letter-spacing: 1px;
}
table.formal th, table.formal td {
  border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: middle;
}
table.formal th {
  background: #f1f5f9; color: var(--accent); font-weight: 600; width: 38%; white-space: nowrap;
}
table.formal td { color: var(--text); word-break: break-all; }
table.formal tr.group td {
  background: var(--primary); color: #fff; font-weight: 700; text-align: center; letter-spacing: 1px;
}
.empty { color: #adb5bd; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 20px; border: none; border-radius: 8px; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .15s; width: 100%; margin-top: 14px;
}
.btn-copy { background: var(--primary); color: #fff; margin-top: 0; margin-bottom: 14px; }
.btn-copy:hover { background: var(--primary-dark); }
.btn-print { background: var(--accent); color: #fff; margin-top: 8px; }
.btn-print:hover { background: #355f7a; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.qr-box {
  margin-top: 16px; padding: 14px; border: 1px dashed var(--accent); border-radius: 10px;
  text-align: center; background: #f8fbfd;
}
.qr-box img { width: 150px; height: 150px; display: inline-block; }
.qr-box .link { font-size: 12px; color: var(--muted); word-break: break-all; margin-top: 8px; }
.qr-box .link a { color: var(--accent); }
.qr-box .qr-caption { margin-top: 10px; font-size: 14px; font-weight: 700; color: var(--accent); }

.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #2a9d8f; color: #fff; padding: 10px 22px; border-radius: 24px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: all .25s; z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.section-title {
  font-size: 13px; color: var(--accent); font-weight: 700; margin: 18px 0 10px;
  padding-bottom: 4px; border-bottom: 1px dashed var(--border);
}
.section-title:first-of-type { margin-top: 0; }
@media print {
  body { background: #fff; padding: 0; }
  .header, #formCard, .qr-box, .btn, .card h2 { display: none !important; }
  .layout { grid-template-columns: 1fr; }
  .card { box-shadow: none; padding: 0; }
  table.formal { font-size: 13px; }
}