:root {
  color-scheme: light;
  --ink: #201a2b;
  --muted: #6e667a;
  --line: rgba(75, 52, 96, 0.13);
  --paper: #fffdfd;
  --rose: #e45479;
  --violet: #7759c9;
  --soft-rose: #fff0f4;
  --soft-violet: #f2eeff;
  --shadow: 0 22px 65px rgba(69, 43, 88, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 3%, rgba(247, 178, 200, 0.32), transparent 30rem),
    radial-gradient(circle at 92% 12%, rgba(182, 164, 246, 0.28), transparent 34rem),
    #fbf9fc;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.75;
}

a { color: var(--violet); }
a:hover { color: var(--rose); }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: .65rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, .75);
  background: rgba(251, 249, 252, .88);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1120px, calc(100% - 2rem));
  min-height: 68px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  margin-right: auto;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  letter-spacing: -.02em;
}

.brand img { width: 38px; height: 38px; border-radius: 12px; }
.nav-links { display: flex; align-items: center; gap: 1rem; }
.nav-links a { color: var(--muted); font-size: .93rem; font-weight: 700; text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--rose); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-height: 44px;
  padding: .7rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--rose), var(--violet));
  color: #fff;
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(119, 89, 201, .22);
}

.button:hover { color: #fff; transform: translateY(-1px); }
.button.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: none; }

main { overflow: hidden; }
.wrap { width: min(1120px, calc(100% - 2rem)); margin: auto; }

.hero {
  padding: clamp(4.5rem, 10vw, 8rem) 0 4rem;
}

.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 3rem; }
.eyebrow { color: var(--rose); font-size: .78rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.035em; }
h1 { max-width: 900px; margin: .65rem 0 1.2rem; font-size: clamp(2.55rem, 7vw, 5.1rem); }
h2 { margin: 0 0 1rem; font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { margin: 0 0 .55rem; font-size: 1.16rem; }
.lead { max-width: 780px; margin: 0; color: var(--muted); font-size: clamp(1.04rem, 2vw, 1.25rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.7rem; }

.hero-card {
  position: relative;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: 32px;
  background: rgba(255, 255, 255, .68);
  box-shadow: var(--shadow);
}

.hero-card img { display: block; width: 90px; height: 90px; margin-bottom: 1rem; border-radius: 28px; }
.hero-card strong { display: block; font-size: 1.2rem; }
.hero-card p { margin: .5rem 0 0; color: var(--muted); }

.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.section.tint { background: rgba(255, 255, 255, .62); border-block: 1px solid rgba(255, 255, 255, .9); }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading p { color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 12px 35px rgba(69, 43, 88, .06);
}
.card p, .card li { color: var(--muted); }
.card p:last-child { margin-bottom: 0; }
.icon { display: inline-grid; width: 42px; height: 42px; margin-bottom: .9rem; place-items: center; border-radius: 14px; background: var(--soft-violet); font-size: 1.25rem; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }
.fact { padding: 1.25rem; border-radius: 20px; background: var(--ink); color: #fff; }
.fact strong { display: block; font-size: 1.35rem; }
.fact span { color: rgba(255,255,255,.72); font-size: .9rem; }

.steps { counter-reset: step; display: grid; gap: .9rem; }
.step { position: relative; padding: 1.2rem 1.2rem 1.2rem 4.25rem; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 1.2rem; top: 1.2rem; display: grid; width: 2.2rem; height: 2.2rem; place-items: center; border-radius: 50%; background: var(--soft-rose); color: var(--rose); font-weight: 900; }
.step p { margin: .25rem 0 0; color: var(--muted); }

.notice { padding: 1.2rem 1.35rem; border-left: 4px solid var(--rose); border-radius: 0 18px 18px 0; background: var(--soft-rose); }
.notice p { margin: 0; }
.small { color: var(--muted); font-size: .9rem; }

.prose { max-width: 820px; }
.prose h2 { margin-top: 3.4rem; }
.prose h3 { margin-top: 2rem; }
.prose p, .prose li { color: #50475c; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; overflow: hidden; border-radius: 16px; background: #fff; }
.prose th, .prose td { padding: .85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { color: var(--ink); background: var(--soft-violet); }
.prose code { padding: .12rem .35rem; border-radius: .4rem; background: var(--soft-violet); color: #5b40ac; }

.breadcrumbs { padding-top: 1.25rem; color: var(--muted); font-size: .88rem; }
.breadcrumbs a { color: var(--muted); }

.faq details { margin-bottom: .75rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.82); }
.faq summary { padding: 1rem 1.15rem; cursor: pointer; color: var(--ink); font-weight: 850; }
.faq details p { margin: 0; padding: 0 1.15rem 1.15rem; color: var(--muted); }

.cta { margin: 2rem auto 5rem; padding: clamp(2rem, 6vw, 4rem); border-radius: 34px; background: linear-gradient(135deg, #2c2137, #61439b); color: #fff; box-shadow: var(--shadow); }
.cta p { max-width: 670px; color: rgba(255,255,255,.75); }

footer { padding: 2.5rem 0 3.5rem; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero-grid, .grid, .grid.two { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .hero-card { max-width: 560px; }
  .prose table { display: block; overflow-x: auto; }
}

@media (max-width: 520px) {
  .nav { width: min(100% - 1.25rem, 1120px); min-height: 60px; }
  .brand span { display: none; }
  .wrap { width: min(100% - 1.25rem, 1120px); }
  .hero { padding-top: 3.8rem; }
  .facts { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}