:root {
  color-scheme: light;
  --paper: #f7f3e8;
  --paper-strong: #fffdf7;
  --forest: #164e2d;
  --forest-dark: #0f3821;
  --moss: #718b61;
  --ink: #1f2a22;
  --muted: #687066;
  --line: #ddd6c4;
  --mist: #e8eee4;
  --gold: #d89245;
  --shadow: 0 24px 70px rgba(36, 62, 41, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 8%, rgba(214, 226, 205, 0.72), transparent 30rem),
    radial-gradient(circle at 92% 28%, rgba(235, 219, 183, 0.46), transparent 26rem);
  z-index: -1;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.shell {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(221, 214, 196, 0.72);
  background: rgba(247, 243, 232, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--forest);
  text-decoration: none;
  font: 700 1.32rem/1 Georgia, "Times New Roman", serif;
  white-space: nowrap;
}

.brand-mark {
  width: 39px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: var(--forest);
  color: white;
  box-shadow: 0 8px 20px rgba(22, 78, 45, 0.2);
}

.brand-mark::before {
  content: "";
  width: 17px;
  height: 25px;
  border-radius: 100% 0 100% 0;
  background: currentColor;
  transform: rotate(-35deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--forest); }

.language-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.78);
}

.language-switch button {
  min-width: 42px;
  border: 0;
  border-radius: 999px;
  padding: 6px 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 750;
}

.language-switch button.is-active {
  background: var(--forest);
  color: white;
}

[data-lang] { display: none; }
html[data-language="en"] [data-lang="en"],
html[data-language="zh"] [data-lang="zh"] { display: revert; }

.hero {
  min-height: 740px;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  gap: clamp(42px, 7vw, 90px);
  padding-block: 80px 90px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--forest);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--moss);
}

h1, h2, h3 {
  margin: 0;
  color: var(--forest-dark);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.04;
}

h1 {
  max-width: 720px;
  margin-top: 22px;
  font-size: clamp(3.5rem, 7.5vw, 6.7rem);
  letter-spacing: -0.055em;
}

.hero-copy > p {
  max-width: 610px;
  margin: 27px 0 0;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.8vw, 1.24rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--forest);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
}

.button.primary { background: var(--forest); color: white; }
.button.secondary { background: rgba(255, 253, 247, 0.76); color: var(--forest); }
.button:hover { transform: translateY(-1px); }

.availability {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.availability::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #52a366;
  box-shadow: 0 0 0 5px rgba(82, 163, 102, 0.13);
}

.hero-visual {
  position: relative;
  min-height: 590px;
}

.hero-photo {
  position: absolute;
  inset: 0 42px 42px 0;
  width: calc(100% - 42px);
  height: calc(100% - 42px);
  object-fit: cover;
  object-position: 52% center;
  border-radius: 42px 42px 120px 42px;
  box-shadow: var(--shadow);
}

.discovery-card {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(290px, 72%);
  padding: 24px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 26px;
  background: rgba(255, 253, 247, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 45px rgba(31, 42, 34, 0.17);
}

.discovery-card strong {
  display: block;
  color: var(--forest);
  font: 700 1.65rem/1.1 Georgia, "Times New Roman", serif;
}

.discovery-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section { padding-block: 92px; }
.section.tint { background: rgba(232, 238, 228, 0.56); }

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin-top: 12px;
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  letter-spacing: -0.035em;
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 310px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 253, 247, 0.76);
}

.feature-number {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: var(--mist);
  color: var(--forest);
  font-weight: 850;
}

.feature-card h3 {
  margin-top: 54px;
  font-size: 1.65rem;
}

.feature-card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.privacy-band {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
  padding: clamp(38px, 6vw, 72px);
  border-radius: 38px;
  background: var(--forest);
  color: white;
  box-shadow: var(--shadow);
}

.privacy-band h2 { color: white; font-size: clamp(2.4rem, 4vw, 4.1rem); }
.privacy-band p { color: rgba(255,255,255,.76); }

.privacy-points {
  display: grid;
  gap: 12px;
}

.privacy-point {
  padding: 15px 18px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 18px;
  background: rgba(255,255,255,.07);
  font-weight: 700;
}

.site-footer {
  padding: 42px 0 50px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--forest); }

.page-hero {
  padding: 96px 0 56px;
  text-align: center;
}

.page-hero h1 {
  max-width: 850px;
  margin-inline: auto;
  font-size: clamp(3.2rem, 7vw, 6.1rem);
}

.page-hero p {
  max-width: 680px;
  margin: 24px auto 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.content-wrap {
  width: min(850px, calc(100% - 40px));
  margin: 0 auto 100px;
}

.content-card {
  padding: clamp(26px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 253, 247, 0.82);
  box-shadow: 0 18px 60px rgba(36, 62, 41, 0.07);
}

.content-card + .content-card { margin-top: 20px; }
.content-card h2 { margin-bottom: 20px; font-size: clamp(1.8rem, 3vw, 2.5rem); }
.content-card h3 { margin-top: 32px; font-size: 1.25rem; }
.content-card p, .content-card li { color: #4e584f; }
.content-card ul { padding-left: 1.25rem; }
.content-card a { color: var(--forest); font-weight: 700; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

.faq details:first-child { border-top: 0; }
.faq summary { cursor: pointer; color: var(--forest-dark); font-weight: 800; }
.faq details p { margin-bottom: 0; }

@media (max-width: 820px) {
  .shell { width: min(100% - 28px, 680px); }
  .nav { min-height: 68px; gap: 14px; }
  .nav-links { display: none; }
  .language-switch { margin-left: auto; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-block: 56px 70px; }
  .hero-visual { min-height: 500px; }
  .hero-photo { inset: 0 24px 24px 0; width: calc(100% - 24px); height: calc(100% - 24px); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 240px; }
  .feature-card h3 { margin-top: 36px; }
  .privacy-band { grid-template-columns: 1fr; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  h1 { font-size: 3.25rem; }
  .hero-visual { min-height: 410px; }
  .hero-photo { border-radius: 30px 30px 86px 30px; }
  .discovery-card { width: 76%; padding: 18px; }
  .section { padding-block: 70px; }
  .page-hero { padding-top: 70px; }
}

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