:root {
  --ink: #0E2240;
  --muted: #4A5568;
  --line: #E2E6EC;
  --soft: #F5F7F3;
  --accent: #5A7634;
  --accent-dark: #455C27;
  --accent-soft: #F3F6EC;
  --mint: #B9CC92;
  --on-dark: #C9D1DD;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #FFFFFF;
  color: var(--ink);
  font-family: Inter, "Noto Sans TC", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
h1, h2, h3, .brand, .stage-num, .stage-name, .plan-name {
  font-family: Archivo, "Noto Sans TC", system-ui, sans-serif;
}
h1, h2, h3, p, ul, ol { margin: 0; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
.soft { background: var(--soft); }
.section-head { display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin-bottom: 40px; }
.section-head h2 { font-size: 40px; font-weight: 800; letter-spacing: -0.015em; line-height: 1.1; }
.section-head p { font-size: 18px; line-height: 1.6; color: var(--muted); }

/* Buttons */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: 14px 22px; border-radius: 8px; text-align: center; min-height: 44px;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--accent-dark); color: #FFFFFF; }
.btn-outline { border: 1.5px solid var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #FFFFFF; }
.btn-ghost { border: 1.5px solid #5A6B80; color: #FFFFFF; }
.btn-ghost:hover { border-color: #FFFFFF; color: #FFFFFF; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: #FFFFFF; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: Cinzel, Georgia, serif; font-weight: 600; font-size: 21px; letter-spacing: 0.04em; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand img { height: 46px; width: auto; display: block; }
.brand span { white-space: nowrap; }
.tagline { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.nav .lang { border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 14px; }
.nav .btn { padding: 11px 18px; }
.nav .btn-primary, .nav .btn-primary:hover { color: #FFFFFF; }

/* Hero */
.hero { background: var(--ink); color: #FFFFFF; padding: 96px 0 88px; }
.hero .wrap { display: flex; flex-direction: column; gap: 28px; }
.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mint); }
.hero h1 { font-weight: 800; font-size: clamp(40px, 6vw, 72px); line-height: 1.04; letter-spacing: -0.02em; max-width: 900px; }
.hero .lead { font-size: 20px; line-height: 1.55; color: var(--on-dark); max-width: 680px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.hero .btn { font-size: 17px; padding: 16px 24px; }

/* Process */
.stages { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.stage { background: #FFFFFF; border: 1px solid var(--line); border-top: 4px solid var(--accent); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.stage-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.stage-num { font-weight: 800; font-size: 32px; color: var(--accent); }
.stage-grade { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.stage-name { font-weight: 800; font-size: 26px; }
.stage p { font-size: 16px; line-height: 1.55; color: var(--muted); }
.stage ul { padding-left: 18px; display: flex; flex-direction: column; gap: 8px; font-size: 15px; line-height: 1.45; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; align-items: stretch; }
.plan { border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; gap: 18px; background: #FFFFFF; }
.plan.featured { border: 2px solid var(--accent); background: var(--accent-soft); }
.plan.free { background: var(--ink); color: #FFFFFF; border-color: var(--ink); }
.badge { align-self: flex-start; font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; background: var(--line); color: var(--ink); }
.featured .badge { background: var(--accent); color: #FFFFFF; }
.free .badge { background: var(--mint); color: var(--ink); }
.plan-name { font-weight: 700; font-size: 24px; }
.plan-sub { font-size: 15px; color: var(--muted); margin-top: 6px; }
.free .plan-sub { color: var(--on-dark); }
.checks { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 15px; line-height: 1.45; }
.checks li { display: flex; gap: 10px; align-items: flex-start; }
.checks svg { flex: none; margin-top: 2px; stroke: var(--accent); }
.free .checks svg { stroke: var(--mint); }
.plan .btn { margin-top: auto; }
.free .btn-outline { border-color: #FFFFFF; color: #FFFFFF; }
.free .btn-outline:hover { background: #FFFFFF; color: var(--ink); }
.plans-note { margin-top: 24px; font-size: 16px; color: var(--muted); }
.plans-note a { font-weight: 600; }

/* Who */
.who { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.who h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 14px; }
.who p { font-size: 17px; line-height: 1.6; color: var(--muted); }
.card { background: #FFFFFF; border: 1px solid var(--line); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { font-size: 19px; font-weight: 600; }
.card p { font-size: 16px; line-height: 1.55; }

/* Team */
.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.person { border: 1px solid var(--line); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.photo { width: 96px; height: 96px; border-radius: 999px; background: var(--line); display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--muted); overflow: hidden; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.person h3 { font-size: 22px; font-weight: 700; }
.person p { font-size: 16px; line-height: 1.6; color: var(--muted); }

/* FAQ */
.faq { max-width: 860px; }
.faq-list { display: flex; flex-direction: column; gap: 22px; }
.faq-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; font-family: inherit; }
.faq-item p { font-size: 16px; line-height: 1.6; color: var(--muted); }

/* Contact */
.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; align-items: start; }
.contact h2 { font-size: 40px; font-weight: 800; letter-spacing: -0.015em; margin-bottom: 14px; }
.contact .intro { font-size: 18px; line-height: 1.6; color: var(--muted); }
.contact-box { border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.contact-box h3 { font-size: 19px; font-weight: 600; font-family: inherit; }
.contact-box ul { padding-left: 18px; display: flex; flex-direction: column; gap: 6px; color: var(--muted); }
.contact-box .btn { align-self: flex-start; }
.contact-email { font-size: 16px; color: var(--muted); }

/* Footer */
.site-footer { background: var(--ink); color: var(--on-dark); padding: 32px 0; font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.site-footer .brand { color: #FFFFFF; font-size: 18px; }
.site-footer a { color: var(--on-dark); }

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .hero { padding: 72px 0 64px; }
  .section-head h2, .contact h2 { font-size: 32px; }
  .hero .lead { font-size: 18px; }
  .nav { gap: 8px 16px; font-size: 14px; }
  .brand { font-size: 18px; }
  .brand img { height: 38px; }
}
