:root {
  --cream: #F5F0E8;
  --cream2: #EDE7D9;
  --cream3: #E4DDD0;
  --paper: #FAF7F2;
  --ink: #2A2A22;
  --ink2: #4A4A3E;
  --ink3: #7A7A6E;
  --ink4: #AAAAAA;
  --green: #3B5E42;
  --green2: #527A5A;
  --green3: #A8C5AD;
  --green-pale: #D8EAD9;
  --border: rgba(58,90,62,0.15);
  --border2: rgba(58,90,62,0.28);
  --serif: 'Noto Serif TC', serif;
  --sans: 'Noto Sans TC', sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-weight: 300; line-height: 1.85; }

header { background: var(--cream); border-bottom: 1px solid var(--border2); padding: 80px 24px 64px; text-align: center; position: relative; }
header::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 2px; background: var(--green); }
.eyebrow-top { font-size: 11px; letter-spacing: 0.35em; color: var(--green2); font-family: var(--sans); font-weight: 400; margin-bottom: 24px; display: block; }
header h1 { font-family: var(--serif); font-size: clamp(1.8rem, 4.5vw, 3rem); font-weight: 700; color: var(--ink); line-height: 1.3; margin-bottom: 18px; letter-spacing: 0.06em; }
header h1 em { font-style: normal; color: var(--green); }
header p { font-size: 14.5px; color: var(--ink3); max-width: 480px; margin: 0 auto; line-height: 2; font-weight: 300; }

.nav-wrap { background: var(--cream2); border-bottom: 1px solid var(--border2); position: sticky; top: 0; z-index: 100; }
.nav-tabs { display: flex; justify-content: center; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 900px; margin: 0 auto; }
.nav-tab { padding: 16px 28px; font-size: 13px; letter-spacing: 0.06em; color: var(--ink3); cursor: pointer; border: none; border-bottom: 2px solid transparent; background: none; white-space: nowrap; font-family: var(--sans); font-weight: 400; transition: color 0.2s, border-color 0.2s; }
.nav-tab:hover { color: var(--green); }
.nav-tab.active { color: var(--green); border-bottom-color: var(--green); font-weight: 500; }

.section { display: none; max-width: 1080px; margin: 0 auto; padding: 64px 24px 100px; }
.section.active { display: block; }
.section-title { text-align: center; margin-bottom: 52px; }
.section-title .eyebrow { font-size: 10.5px; letter-spacing: 0.3em; color: var(--green2); text-transform: uppercase; font-weight: 400; display: block; margin-bottom: 12px; }
.section-title h2 { font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: var(--ink); letter-spacing: 0.05em; }
.divider { width: 36px; height: 2px; background: var(--green); margin: 16px auto 0; opacity: 0.55; }

/* ── PLAN CARDS ── */
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; margin-bottom: 60px; }
.plan-card { background: var(--cream); border: 1px solid var(--border2); border-radius: 4px; padding: 36px 32px; position: relative; transition: box-shadow 0.2s; }
.plan-card:hover { box-shadow: 0 4px 24px rgba(58,90,62,0.08); }
.plan-card.featured { border-color: var(--green2); border-width: 1.5px; }
.featured-badge { position: absolute; top: -1px; right: 20px; background: var(--green); color: #fff; font-size: 10px; letter-spacing: 0.2em; padding: 5px 14px 4px; border-radius: 0 0 4px 4px; font-weight: 400; }
.plan-badge { display: inline-block; font-size: 10px; letter-spacing: 0.2em; color: var(--green2); border: 1px solid var(--border2); padding: 2px 10px; border-radius: 2px; margin-bottom: 12px; font-weight: 400; }
.plan-name { font-family: var(--serif); font-size: 1.45rem; font-weight: 700; color: var(--ink); letter-spacing: 0.04em; margin-bottom: 4px; }
.plan-sub { font-size: 12px; color: var(--ink3); margin-bottom: 20px; font-weight: 300; }
.plan-price { display: flex; align-items: baseline; gap: 5px; margin-bottom: 8px; }
.plan-price .currency { font-size: 13px; color: var(--green2); font-weight: 400; }
.plan-price .amount { font-family: var(--serif); font-size: 2rem; color: var(--green); font-weight: 700; letter-spacing: -0.02em; }
.plan-price .unit { font-size: 12px; color: var(--ink4); }
.plan-audience { font-size: 12.5px; color: var(--ink2); line-height: 1.8; background: var(--green-pale); border-left: 3px solid var(--green3); padding: 10px 14px; margin-bottom: 24px; border-radius: 0 2px 2px 0; font-weight: 300; }
.plan-features { list-style: none; }
.plan-features li { font-size: 13px; color: var(--ink2); padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,0.06); display: flex; gap: 10px; align-items: flex-start; line-height: 1.65; font-weight: 300; }
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before { content: '─'; color: var(--green3); flex-shrink: 0; font-size: 12px; margin-top: 2px; }
.plan-features li.includes { font-size: 11px; color: var(--green2); letter-spacing: 0.08em; padding: 6px 0 10px; border-bottom: 1px dashed var(--border2); margin-bottom: 4px; }
.plan-features li.includes::before { content: none; }

/* ── ADDON ── */
.addon-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 48px; }
.addon-card { background: var(--cream); border: 1px solid var(--border2); border-radius: 4px; padding: 24px 26px; }
.addon-name { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
.addon-desc { font-size: 12px; color: var(--ink3); line-height: 1.75; margin-bottom: 14px; font-weight: 300; }
.addon-price { font-family: var(--serif); font-size: 1.15rem; color: var(--green); font-weight: 700; }

/* ── COMPARE ── */
.compare-label { font-size: 12px; color: var(--ink3); letter-spacing: 0.08em; margin-bottom: 12px; font-weight: 400; }
.compare-wrap { overflow-x: auto; border: 1px solid var(--border2); border-radius: 4px; margin-bottom: 40px; background: var(--cream); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 580px; font-size: 13px; }
.compare-table th { padding: 16px 18px; text-align: center; font-family: var(--serif); font-size: 13.5px; font-weight: 700; background: var(--cream2); border-bottom: 1px solid var(--border2); letter-spacing: 0.04em; color: var(--ink); }
.compare-table th:first-child { text-align: left; font-family: var(--sans); font-size: 10px; letter-spacing: 0.2em; color: var(--ink3); font-weight: 400; }
.compare-table th.hl { color: var(--green); background: var(--green-pale); }
.compare-table td { padding: 10px 18px; border-bottom: 1px solid rgba(0,0,0,0.05); text-align: center; color: var(--ink3); font-weight: 300; }
.compare-table td:first-child { text-align: left; color: var(--ink2); font-size: 13px; font-weight: 400; }
.compare-table td.hl { background: rgba(168,197,173,0.12); }
.compare-table .yes { color: var(--green); font-weight: 500; font-size: 15px; }
.compare-table .no { color: var(--ink4); }
.compare-table tr:last-child td { border-bottom: none; }

/* ── CHECKLIST ── */
.checklist-zone-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.checklist-zone-title h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.06em;
}
.checklist-zone-title .zone-line {
  flex: 1;
  height: 1px;
  background: var(--border2);
}
.checklist-zone-title .zone-tag {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--green2);
  border: 1px solid var(--border2);
  padding: 2px 10px;
  border-radius: 2px;
  font-weight: 400;
  white-space: nowrap;
}

.checklist-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; margin-bottom: 40px; }
.checklist-card { background: var(--cream); border: 1px solid var(--border2); border-radius: 4px; padding: 28px 26px; }
.checklist-card h4 { font-family: var(--serif); font-size: 15px; font-weight: 700; color: var(--green); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; letter-spacing: 0.04em; }
.checklist-card h4 .num { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border: 1.5px solid var(--green3); border-radius: 50%; font-size: 10px; font-family: var(--sans); color: var(--green2); flex-shrink: 0; font-weight: 500; }
.checklist-card ul { list-style: none; }
.checklist-card ul li { font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(0,0,0,0.06); display: flex; gap: 10px; align-items: flex-start; color: var(--ink2); line-height: 1.65; font-weight: 300; }
.checklist-card ul li:last-child { border-bottom: none; }
.checklist-card ul li::before { content: '·'; color: var(--green3); flex-shrink: 0; font-size: 20px; line-height: 1; margin-top: -1px; }
.tag { display: inline-block; font-size: 9.5px; padding: 1px 7px; border: 1px solid var(--green3); color: var(--green2); border-radius: 2px; letter-spacing: 0.1em; white-space: nowrap; margin-left: 4px; vertical-align: middle; font-weight: 400; }

footer { text-align: center; padding: 48px 24px 40px; border-top: 1px solid var(--border2); background: var(--cream2); }
.contact-cards { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin: 32px 0 36px; }
.contact-card {
  position: relative;
  /* 16:9 名片比例，以 324px 寬為基準 */
  width: 324px;
  height: 182px;
  background: var(--cream);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 22px 26px 20px;
  text-align: left;
  box-shadow: 0 3px 16px rgba(58,90,62,0.09), 0 1px 4px rgba(58,90,62,0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green) 0%, var(--green3) 100%);
  border-radius: 8px 8px 0 0;
}
.contact-card::after {
  content: '';
  position: absolute;
  bottom: -30px; right: -30px;
  width: 110px; height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,197,173,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.contact-name { font-family: var(--serif); font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: 0.1em; }
.contact-title { font-size: 10.5px; color: var(--green2); letter-spacing: 0.2em; font-weight: 400; }
.contact-divider { width: 28px; height: 1.5px; background: var(--green3); margin: 6px 0; }
.contact-row { display: flex; align-items: center; gap: 10px; }
.contact-row + .contact-row { margin-top: 7px; }
.contact-icon { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon.phone { background: var(--green-pale); border: 1px solid var(--green3); }
.contact-icon.line { background: #06C755; }
.contact-link { font-size: 13px; color: var(--ink2); text-decoration: none; font-weight: 300; display: flex; align-items: center; letter-spacing: 0.03em; transition: color 0.2s; padding: 6px 0; }
.contact-link:hover { color: var(--green); }
.footer-copy { font-size: 11px; color: var(--ink4); letter-spacing: 0.06em; font-weight: 300; }
.footer-brand { font-family: var(--serif); font-size: 16px; color: var(--green); font-weight: 700; margin-bottom: 6px; letter-spacing: 0.1em; }
.footer-meta { font-size: 12px; color: var(--ink4); letter-spacing: 0.05em; font-weight: 300; margin-bottom: 4px; }
.contact-cards { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.contact-card { background: var(--cream); border: 1px solid var(--border2); border-radius: 4px; padding: 20px 28px; text-align: left; min-width: 200px; }
.contact-name { font-family: var(--serif); font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: 0.04em; }
.contact-row { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(0,0,0,0.06); }
.contact-row:last-child { border-bottom: none; }
.contact-icon { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon.phone { background: var(--green-pale); }
.contact-icon.line { background: #06C755; }
.contact-icon svg { display: block; }

.contact-link:hover { color: var(--green); }
.footer-copy { font-size: 11px; color: var(--ink4); letter-spacing: 0.06em; font-weight: 300; }

@media (max-width: 640px) {
  header { padding: 60px 20px 48px; }
  .nav-tab { padding: 13px 16px; font-size: 12px; }
  .plan-card, .checklist-card { padding: 28px 20px; }
  .section { padding: 48px 16px 80px; }
}