/* 會員召募三折頁 — 螢幕預覽與列印 */
:root {
  --ink: #0b1220;
  --ink-muted: #475569;
  --brand: #0369a1;
  --brand-light: #0ea5e9;
  --accent: #0891b2;
  --panel-bg: #ffffff;
  --panel-alt: #f0f9ff;
  --border: #cbd5e1;
  --font-sans: "Noto Sans TC", system-ui, sans-serif;
  --font-display: "Noto Serif TC", "Noto Sans TC", serif;
  --panel-w: 99mm;
  --panel-h: 210mm;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.brochure-page {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 9.5pt;
  line-height: 1.55;
  color: var(--ink);
  background: #64748b;
}

.brochure-toolbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: #e2e8f0;
  font-size: 0.9rem;
}

.brochure-toolbar a {
  color: #7dd3fc;
  text-decoration: none;
}

.brochure-toolbar a:hover {
  text-decoration: underline;
}

.brochure-toolbar button {
  padding: 0.45rem 1rem;
  border: none;
  border-radius: 6px;
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}

.brochure-toolbar button:hover {
  filter: brightness(1.05);
}

.brochure-hint {
  margin: 0;
  opacity: 0.85;
  font-size: 0.82rem;
}

.brochure-wrap {
  max-width: calc(var(--panel-w) * 3 + 2rem);
  margin: 1.5rem auto 2.5rem;
  padding: 0 1rem;
}

.brochure-sheet {
  display: grid;
  grid-template-columns: repeat(3, var(--panel-w));
  width: calc(var(--panel-w) * 3);
  min-height: var(--panel-h);
  margin: 0 auto 1.5rem;
  background: #fff;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
}

.brochure-sheet__label {
  grid-column: 1 / -1;
  padding: 0.35rem 0.75rem;
  background: #334155;
  color: #f1f5f9;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.panel {
  position: relative;
  width: var(--panel-w);
  min-height: var(--panel-h);
  padding: 7mm 6mm;
  background: var(--panel-bg);
  border-right: 1px dashed var(--border);
  overflow: hidden;
}

.panel:last-child {
  border-right: none;
}

.panel--cover {
  background: linear-gradient(160deg, #0b1220 0%, #0c4a6e 55%, #0369a1 100%);
  color: #f8fafc;
}

.panel--back {
  background: var(--panel-alt);
}

.panel__fold {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3mm;
  pointer-events: none;
}

.panel__fold--left {
  left: 0;
  border-left: 1px solid rgba(0, 0, 0, 0.06);
}

.panel__fold--right {
  right: 0;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
}

.panel__badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.25);
  border: 1px solid rgba(125, 211, 252, 0.45);
  font-size: 7pt;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #bae6fd;
}

.panel__logo {
  width: 22mm;
  height: 22mm;
  margin: 0 auto 4mm;
  border-radius: 6px;
  background: #fff;
  padding: 2mm;
  object-fit: contain;
}

.panel__logo--lg {
  width: 32mm;
  height: 32mm;
}

.panel h1 {
  font-family: var(--font-display);
  font-size: 13pt;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 3mm;
  letter-spacing: 0.02em;
}

.panel h2 {
  font-family: var(--font-display);
  font-size: 10.5pt;
  font-weight: 700;
  margin: 0 0 2.5mm;
  color: var(--brand);
  border-bottom: 2px solid var(--brand-light);
  padding-bottom: 1.5mm;
}

.panel h3 {
  font-size: 8.5pt;
  font-weight: 700;
  margin: 2.5mm 0 1mm;
  color: var(--accent);
}

.panel p {
  margin: 0 0 2mm;
  font-size: 8.5pt;
  color: var(--ink-muted);
}

.panel--cover p {
  color: #cbd5e1;
}

.panel ul,
.panel ol {
  margin: 0 0 2.5mm;
  padding-left: 4mm;
  font-size: 8pt;
  color: var(--ink-muted);
}

.panel li {
  margin-bottom: 1mm;
}

.panel__hero-title {
  font-size: 15pt;
  text-align: center;
  margin-bottom: 2mm;
}

.panel__hero-sub {
  text-align: center;
  font-size: 9pt;
  color: #7dd3fc;
  font-weight: 600;
  margin-bottom: 4mm;
}

.panel__cta {
  display: block;
  margin-top: 5mm;
  padding: 2.5mm 4mm;
  border-radius: 4px;
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  color: var(--ink);
  font-weight: 700;
  font-size: 9pt;
  text-align: center;
}

.panel__cta-box {
  margin-top: 4mm;
  padding: 3mm;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(125, 211, 252, 0.35);
  text-align: center;
}

.panel__cta-box strong {
  display: block;
  font-size: 11pt;
  color: #fff;
  margin-bottom: 1mm;
}

.panel__cta-box span {
  font-size: 8pt;
  color: #bae6fd;
}

.feature-grid {
  display: grid;
  gap: 2mm;
  margin: 2mm 0;
}

.feature {
  padding: 2.5mm;
  border-radius: 3px;
  background: var(--panel-alt);
  border-left: 3px solid var(--brand-light);
}

.feature strong {
  display: block;
  font-size: 8pt;
  color: var(--brand);
  margin-bottom: 0.5mm;
}

.feature span {
  font-size: 7.5pt;
  color: var(--ink-muted);
}

.group-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.group-list li {
  padding: 1.5mm 0;
  border-bottom: 1px solid var(--border);
  font-size: 7.5pt;
}

.group-list li:last-child {
  border-bottom: none;
}

.group-list strong {
  display: block;
  color: var(--ink);
  font-size: 7.8pt;
}

.group-list em {
  font-style: normal;
  color: var(--ink-muted);
  font-size: 7pt;
}

.teacher-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5mm;
  margin: 1.5mm 0 0;
}

.teacher-card {
  padding: 1.5mm 2mm;
  border-radius: 3px;
  background: var(--panel-alt);
  border-left: 2.5px solid var(--brand-light);
}

.teacher-card--lead {
  border-left-color: #0369a1;
  background: #e0f2fe;
}

.teacher-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5mm;
  margin-bottom: 0.4mm;
}

.teacher-card__name {
  font-size: 8pt;
  font-weight: 700;
  color: var(--ink);
}

.teacher-card__role {
  font-size: 6.5pt;
  font-weight: 700;
  color: var(--brand);
  white-space: nowrap;
}

.teacher-card__unit {
  font-size: 6.8pt;
  color: var(--ink-muted);
  margin-bottom: 0.4mm;
}

.teacher-card__group {
  font-size: 7pt;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.3mm;
}

.teacher-card__focus {
  font-size: 6.6pt;
  color: var(--ink-muted);
  line-height: 1.4;
}

.tier-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 7pt;
  margin: 2mm 0;
}

.tier-table th,
.tier-table td {
  padding: 1.5mm 1mm;
  border: 1px solid var(--border);
  vertical-align: top;
  text-align: left;
}

.tier-table th {
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}

.tier-table tr:nth-child(even) td {
  background: var(--panel-alt);
}

.tier-table .price {
  white-space: nowrap;
  font-weight: 700;
  color: var(--brand);
}

.contact-block {
  margin-top: 3mm;
  padding: 3mm;
  border-radius: 4px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 7.5pt;
}

.contact-block p {
  margin: 0 0 1.5mm;
  color: var(--ink);
}

.contact-block strong {
  color: var(--brand);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  position: relative;
  padding-left: 7mm;
  margin-bottom: 2.5mm;
  font-size: 7.8pt;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 5mm;
  height: 5mm;
  border-radius: 50%;
  background: var(--brand-light);
  color: #fff;
  font-size: 7pt;
  font-weight: 700;
  line-height: 5mm;
  text-align: center;
}

.note {
  font-size: 6.8pt;
  color: #64748b;
  border-left: 2px solid var(--brand-light);
  padding-left: 2mm;
  margin-top: 2mm;
}

.panel__footer-url {
  position: absolute;
  bottom: 6mm;
  left: 6mm;
  right: 6mm;
  font-size: 7pt;
  color: var(--brand);
  font-weight: 600;
  word-break: break-all;
}

.panel--cover .panel__footer-url {
  color: #7dd3fc;
}

/* 列印 */
@page {
  size: A4 landscape;
  margin: 0;
}

@media print {
  body.brochure-page {
    background: #fff;
  }

  .brochure-toolbar,
  .brochure-sheet__label {
    display: none !important;
  }

  .brochure-wrap {
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .brochure-sheet {
    box-shadow: none;
    page-break-after: always;
    margin: 0;
  }

  .brochure-sheet:last-child {
    page-break-after: auto;
  }

  .panel {
    border-right-color: transparent;
  }

  .panel__fold {
    display: none;
  }
}

@media screen and (max-width: 900px) {
  .brochure-sheet {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: var(--panel-w);
  }

  .panel {
    width: 100%;
    min-height: auto;
    border-right: none;
    border-bottom: 1px dashed var(--border);
  }
}