:root {
  --ink: #14242a;
  --muted: #5c7078;
  --line: #dce7e9;
  --surface: #ffffff;
  --soft: #f4faf9;
  --teal: #0b7f86;
  --teal-dark: #075f65;
  --orange: #ec6a2a;
  --amber: #f6b44b;
  --shadow: 0 18px 50px rgba(15, 39, 46, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 2%, rgba(11, 127, 134, 0.12), transparent 28rem),
    radial-gradient(circle at 86% 6%, rgba(236, 106, 42, 0.12), transparent 26rem),
    linear-gradient(180deg, #f8fcfc 0%, #eef7f7 56%, #ffffff 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  color: var(--teal-dark);
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(220, 231, 233, 0.9);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  min-height: 72px;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(11, 127, 134, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 750;
}

.button,
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(11, 127, 134, 0.22);
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 850;
  box-shadow: 0 12px 24px rgba(11, 127, 134, 0.18);
}

.button:hover,
.nav-cta:hover {
  color: #fff;
  background: var(--teal-dark);
  text-decoration: none;
}

.button.secondary {
  color: var(--teal);
  background: #fff;
  box-shadow: none;
}

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 22px 48px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border: 1px solid rgba(236, 106, 42, 0.24);
  border-radius: 999px;
  color: #a14616;
  background: rgba(236, 106, 42, 0.08);
  font-size: 13px;
  font-weight: 900;
}

h1 {
  margin: 18px 0 18px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 620px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.mockup-frame {
  padding: 10px;
  border: 1px solid rgba(11, 127, 134, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
}

.mockup-frame img {
  display: block;
  width: 100%;
  border-radius: 8px;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 54px 22px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 24px;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.card {
  min-width: 0;
  min-height: 170px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 26px rgba(15, 39, 46, 0.06);
}

.card b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 8px;
  background: rgba(11, 127, 134, 0.1);
  color: var(--teal);
}

.compliance {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.48fr);
  gap: 20px;
  align-items: start;
  padding: 28px;
  border: 1px solid rgba(236, 106, 42, 0.22);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(236, 106, 42, 0.08), rgba(11, 127, 134, 0.07)), #fff;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
  color: var(--muted);
}

.check-list li::before {
  content: "✓";
  color: var(--teal);
  font-weight: 900;
}

.doc-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 56px 22px 72px;
}

.doc-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow);
}

.doc-card h1 {
  font-size: clamp(32px, 5vw, 48px);
}

.doc-card ul {
  padding-left: 22px;
}

.site-footer {
  margin-top: 30px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 880px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 48px;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compliance {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button,
  .nav-cta {
    width: 100%;
  }
}