:root {
  --ink: #34231d;
  --muted: #8b796f;
  --cream: #fbf7f1;
  --paper: #fffdf9;
  --sand: #efe2d4;
  --line: rgba(102, 73, 58, 0.16);
  --brown: #87614f;
  --brown-dark: #684638;
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--cream);
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 6% 16%, rgba(220, 183, 151, 0.22), transparent 24rem),
    radial-gradient(circle at 96% 42%, rgba(238, 209, 184, 0.2), transparent 28rem),
    var(--cream);
}

a { color: inherit; text-decoration: none; }

img { display: block; width: 100%; }

.preview-note {
  position: fixed;
  z-index: 20;
  right: 18px;
  bottom: 18px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  color: #fff;
  background: rgba(52, 35, 29, 0.82);
  box-shadow: 0 12px 30px rgba(52, 35, 29, 0.18);
  backdrop-filter: blur(12px);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 14px clamp(24px, 5vw, 78px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 247, 241, 0.88);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; min-width: 0; }
.brand strong { font-family: "Songti SC", "STSong", serif; font-size: 18px; letter-spacing: .03em; }

.site-header nav { display: flex; align-items: center; gap: 28px; color: #655149; font-size: 14px; }
.site-header nav a { transition: color .2s ease, transform .2s ease; }
.site-header nav a:hover { color: var(--brown-dark); transform: translateY(-1px); }

main { overflow: hidden; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(440px, 1.1fr);
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  min-height: calc(100svh - 82px);
  padding: clamp(64px, 8vw, 120px) clamp(24px, 6vw, 96px);
}

.eyebrow { color: #a47b65; font-size: 12px; font-weight: 700; letter-spacing: .18em; }

.hero h1,
.section-heading h2,
.observation-copy h2,
.contact-section h2 {
  margin: 18px 0 0;
  font-family: "Songti SC", "STSong", serif;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.035em;
}

.hero h1 { font-size: clamp(52px, 6vw, 92px); }
.hero-copy > p { max-width: 520px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }

.hero-actions,
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 34px; }

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.primary-button { color: #fff; background: var(--brown); box-shadow: 0 12px 28px rgba(104, 70, 56, .18); }
.secondary-button { border: 1px solid var(--line); background: rgba(255,255,255,.68); }
.primary-button:hover,
.secondary-button:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(104, 70, 56, .16); }
.text-link { padding: 12px 4px; color: #725447; font-weight: 600; }

.hero-facts { display: flex; gap: 34px; margin: 64px 0 0; }
.hero-facts div { padding-left: 16px; border-left: 1px solid var(--line); }
.hero-facts dt { font-family: "Songti SC", "STSong", serif; font-size: 22px; }
.hero-facts dd { margin: 5px 0 0; color: var(--muted); font-size: 12px; }

.hero-gallery { position: relative; min-height: 670px; }
.hero-gallery figure { position: absolute; margin: 0; overflow: hidden; box-shadow: 0 28px 80px rgba(87, 58, 44, .16); }
.hero-gallery img { height: 100%; object-fit: cover; }
.hero-main { inset: 0 15% 8% 5%; border-radius: 48% 48% 28px 28px; }
.hero-side { right: 0; bottom: 0; width: 37%; height: 43%; border: 10px solid var(--cream); border-radius: 50% 50% 24px 24px; }

.album-section,
.care-section { padding: clamp(80px, 10vw, 150px) clamp(24px, 6vw, 96px); }

.section-heading { display: flex; justify-content: space-between; gap: 60px; align-items: end; margin-bottom: 46px; }
.section-heading h2,
.observation-copy h2,
.contact-section h2 { font-size: clamp(38px, 4.4vw, 68px); }
.section-heading > p { max-width: 470px; margin: 0; color: var(--muted); line-height: 1.9; }

.photo-grid { display: grid; grid-template-columns: 1.3fr .85fr .85fr; gap: 20px; }
.photo-card { overflow: hidden; border-radius: 32px; background: var(--paper); box-shadow: 0 18px 50px rgba(87,58,44,.09); }
.photo-card img { aspect-ratio: 4/5; object-fit: cover; }
.photo-card-wide img { aspect-ratio: 1.04/1; }
.photo-card div { display: grid; gap: 5px; padding: 19px 21px 24px; }
.photo-card strong { font-family: "Songti SC", serif; font-size: 24px; }
.photo-card span { color: var(--muted); font-size: 13px; line-height: 1.6; }

.observation-section { display: grid; grid-template-columns: 1fr 1fr; background: #3a2922; color: #fff; }
.observation-image { min-height: 780px; overflow: hidden; }
.observation-image img { height: 100%; object-fit: cover; }
.observation-copy { padding: clamp(70px, 8vw, 130px) clamp(32px, 7vw, 110px); }
.observation-copy .eyebrow { color: #d9b9a5; }
.observation-copy h2 { margin-bottom: 54px; }
.observation-list { display: grid; }
.observation-list article { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 25px 0; border-top: 1px solid rgba(255,255,255,.16); }
.observation-list article > span { color: #d9b9a5; font-family: serif; }
.observation-list h3 { margin: 0 0 8px; font-size: 17px; }
.observation-list p { margin: 0; color: rgba(255,255,255,.66); font-size: 14px; line-height: 1.8; }

.care-section { background: #f1e6da; }
.care-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.care-grid article { min-height: 260px; padding: 30px; border: 1px solid rgba(135,97,79,.14); border-radius: 28px; background: rgba(255,253,249,.68); }
.care-grid article > span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: var(--brown); background: #fff; font-family: "Songti SC", serif; }
.care-grid h3 { margin: 34px 0 12px; font-family: "Songti SC", serif; font-size: 25px; }
.care-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.care-link { display: inline-block; margin-top: 30px; color: var(--brown-dark); font-weight: 600; }


footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px clamp(24px, 6vw, 96px); border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

@media (max-width: 900px) {
  .site-header nav a:not(.nav-contact) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-gallery { min-height: 580px; }
  .photo-grid { grid-template-columns: 1fr 1fr; }
  .photo-card-wide { grid-column: span 2; }
  .observation-section { grid-template-columns: 1fr; }
  .observation-image { min-height: 560px; }
}

@media (max-width: 620px) {
  .preview-note { right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); }
  .site-header { min-height: 70px; padding: 10px 16px; }
  .brand strong { font-size: 15px; }
  .hero { gap: 46px; padding: 62px 18px 72px; }
  .hero h1 { font-size: 48px; }
  .hero-copy > p { font-size: 15px; }
  .hero-facts { justify-content: space-between; gap: 8px; margin-top: 44px; }
  .hero-facts div { padding-left: 10px; }
  .hero-facts dt { font-size: 18px; }
  .hero-gallery { min-height: 470px; }
  .hero-main { inset: 0 10% 8% 0; border-radius: 46% 46% 20px 20px; }
  .hero-side { width: 42%; height: 40%; border-width: 6px; }
  .album-section,
  .care-section { padding: 76px 18px; }
  .section-heading { display: grid; gap: 22px; margin-bottom: 32px; }
  .section-heading h2,
  .observation-copy h2,
  .contact-section h2 { font-size: 38px; }
  .photo-grid { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 18px 18px; margin: 0 -18px; }
  .photo-card,
  .photo-card-wide { flex: 0 0 82%; scroll-snap-align: start; }
  .photo-card-wide img,
  .photo-card img { aspect-ratio: 4/5; }
  .observation-image { min-height: 480px; }
  .observation-copy { padding: 70px 22px; }
  .care-grid { grid-template-columns: 1fr; }
  .care-grid article { min-height: 220px; }
  footer { flex-direction: column; padding-bottom: 76px; }
}

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