:root {
  --color-bg: #f8f2e8;
  --color-surface: #fffdf8;
  --color-surface-soft: #efe5d6;
  --color-primary: #6e8064;
  --color-primary-dark: #4f6148;
  --color-accent: #c98965;
  --color-text: #353832;
  --color-muted: #686d64;
  --color-border: #ded4c6;
  --color-focus: #234f78;
  --shadow-soft: 0 18px 50px rgba(84, 75, 59, 0.09);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.75;
}

a { color: inherit; }
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: #fff;
  transform: translateY(-180%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 242, 232, .92);
  border-bottom: 1px solid rgba(110, 128, 100, .14);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: .04em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
}
.nav-list {
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 1.5rem;
}
.nav-list a {
  color: var(--color-muted);
  font-size: .95rem;
  text-decoration: none;
}
.nav-list a:hover { color: var(--color-primary-dark); }

.hero { padding: 4.5rem 0 3.5rem; }
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.eyebrow {
  margin: 0 0 .6rem;
  color: var(--color-primary-dark);
  font-size: .88rem;
  font-weight: 750;
  letter-spacing: .13em;
}
h1, h2, h3 { line-height: 1.28; }
h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(2.45rem, 10vw, 4.7rem);
  letter-spacing: -.035em;
}
.hero-text {
  max-width: 36rem;
  margin: 1.35rem 0 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
  margin-top: 2rem;
}
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.5rem;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button-primary {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 10px 24px rgba(79, 97, 72, .22);
}
.button-primary:hover {
  transform: translateY(-2px);
  background: #43543d;
}
.text-link {
  color: var(--color-primary-dark);
  font-weight: 700;
  text-underline-offset: 5px;
}
.hero-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid rgba(110, 128, 100, .16);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, #efe0c9 0%, #f9f5ec 70%);
  box-shadow: var(--shadow-soft);
}
.sun-shape {
  position: absolute;
  top: 15%;
  right: 13%;
  width: 94px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #d6a075;
  opacity: .82;
}
.landscape {
  position: absolute;
  right: -12%;
  bottom: -15%;
  width: 85%;
  height: 64%;
  border-radius: 50% 50% 0 0;
  transform: rotate(-8deg);
}
.landscape-back { background: #abb59a; }
.landscape-front {
  right: 26%;
  bottom: -27%;
  background: #718165;
}
.quiet-note {
  position: absolute;
  left: 8%;
  bottom: 9%;
  max-width: 12rem;
  padding: .85rem 1rem;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 16px;
  background: rgba(255, 253, 248, .88);
  box-shadow: 0 12px 35px rgba(53, 56, 50, .12);
  font-weight: 700;
}

.section { padding: 4.5rem 0; }
.section-heading { max-width: 42rem; margin-bottom: 2rem; }
.section-heading h2,
.help-layout h2 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.1rem);
}
.section-heading > p:last-child,
.help-intro { color: var(--color-muted); }
.card-grid { display: grid; gap: 1rem; }
.feature-card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 12px 35px rgba(84, 75, 59, .05);
}
.feature-card-highlight { background: #edf0e8; }
.card-icon {
  display: grid;
  width: 52px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 16px;
  background: var(--color-surface-soft);
  color: var(--color-primary-dark);
  font-weight: 800;
}
.feature-card h3 { margin: 1.2rem 0 .5rem; font-size: 1.4rem; }
.feature-card p { margin: 0; color: var(--color-muted); }
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.5rem;
  color: var(--color-primary-dark);
  font-weight: 750;
  text-decoration: none;
}
.card-link:hover { text-decoration: underline; text-underline-offset: 5px; }

.help-section { background: #e8dfd1; }
.help-layout { display: grid; gap: 2rem; align-items: start; }
.help-panel {
  padding: 1.35rem;
  border: 1px solid rgba(110, 128, 100, .22);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, .8);
}
.help-panel h3 { margin-top: 0; }
.support-list { margin: 0; padding: 0; list-style: none; }
.support-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--color-border);
}
.support-list li:last-child { border-bottom: 0; }
.support-list a {
  color: var(--color-primary-dark);
  font-size: 1.08rem;
  font-weight: 800;
}
.help-note {
  margin: 1rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: .94rem;
}

.site-footer {
  padding: 3.5rem 0 1.5rem;
  background: #30372f;
  color: #f5f0e8;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}
.footer-title { margin: 0 0 .5rem; font-size: 1.35rem; font-weight: 800; }
.footer-grid > div > p:last-child { max-width: 30rem; color: #cfd6cb; }
.footer-grid > div:first-child {
  line-height: 1.45;
}
.footer-grid > div:first-child h3 {
  margin: .65rem 0 .25rem;
  font-size: 1rem;
  line-height: 1.3;
}
.footer-grid > div:first-child h4 {
  margin: .7rem 0 .15rem;
  font-size: .96rem;
  line-height: 1.3;
}
.footer-grid > div:first-child p {
  margin: .12rem 0;
  line-height: 1.45;
}
.footer-grid > div:first-child ul {
  margin: .15rem 0 .35rem;
  padding-left: 1.25rem;
}
.footer-grid > div:first-child li {
  margin: .05rem 0;
  line-height: 1.4;
}
.contact-list {
  display: grid;
  align-self: start;
  gap: .75rem;
  margin: 0;
  font-style: normal;
}
.contact-list p { display: grid; gap: .15rem; margin: 0; }
.contact-list span { color: #cfd6cb; }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-top: 2.2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,.16);
  color: #bfc8bb;
  font-size: .86rem;
}
.footer-bottom p { margin: 0; }
.footer-home {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}
.back-to-home {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 46px;
  padding: .65rem 1.25rem;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.back-to-home:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.14);
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 50;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

@media (min-width: 700px) {
  .nav-list { display: flex; }
  .hero { padding: 6rem 0 5rem; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
  .hero-visual { min-height: 480px; }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-card { padding: 1.8rem; }
  .help-layout { grid-template-columns: .9fr 1.1fr; gap: 4rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .contact-list { align-self: start; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
  .toast { right: 1.5rem; left: auto; max-width: 360px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}