:root {
  --ink: #101513;
  --paper: #f4f0e8;
  --paper-2: #e9e3d8;
  --line: rgba(16, 21, 19, .16);
  --accent: #e0833d;
  --green: #234c3a;
  --white: #fffdf8;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 50%;
  width: min(calc(100% - 48px), var(--max));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.32);
  background: linear-gradient(180deg, rgba(16,21,19,.78), rgba(16,21,19,.18));
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 650; letter-spacing: .08em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--ink);
  background: var(--accent);
  border-radius: 50%;
  font-size: 14px;
}
nav { display: flex; gap: 30px; font-size: 14px; }
nav a { opacity: .8; transition: opacity .2s ease; }
nav a:hover { opacity: 1; }

.hero {
  min-height: 860px;
  background: var(--ink);
  color: var(--white);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(390px, .85fr);
}
.hero-photo { position: relative; min-height: 720px; overflow: hidden; }
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.36), transparent 35%, rgba(0,0,0,.2));
}
.hero-photo img { height: 100%; object-fit: cover; }
.hero-photo-label {
  position: absolute;
  z-index: 2;
  left: 32px;
  bottom: 28px;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.55);
  font-size: 13px;
  letter-spacing: .08em;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 150px clamp(32px, 5vw, 82px) 74px;
  background:
    radial-gradient(circle at 78% 22%, rgba(224,131,61,.18), transparent 28%),
    var(--ink);
}
.eyebrow { margin: 0 0 22px; font-size: 12px; letter-spacing: .18em; font-weight: 700; color: var(--accent); }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 30px;
  font-family: "STSong", "Songti SC", serif;
  font-size: clamp(52px, 5.4vw, 92px);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -.045em;
}
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 290px);
  margin-top: 30px;
  padding: 17px 0;
  border-top: 1px solid rgba(255,255,255,.45);
  border-bottom: 1px solid rgba(255,255,255,.45);
  font-size: 15px;
}
.primary-link span { color: var(--accent); font-size: 22px; }

.fact-strip {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.fact-strip > div { padding: 32px 34px; border-right: 1px solid var(--line); }
.fact-strip > div:last-child { border-right: 0; }
.fact-strip strong { display: block; font-size: clamp(20px, 2vw, 32px); font-weight: 600; }
.fact-strip span { display: block; margin-top: 3px; color: rgba(16,21,19,.6); font-size: 14px; }

.section { max-width: var(--max); margin: 0 auto; padding: 120px 48px; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; margin-bottom: 50px; }
.section-heading h2 {
  margin: 0;
  max-width: 820px;
  font-family: "STSong", "Songti SC", serif;
  font-size: clamp(38px, 4vw, 68px);
  line-height: 1.18;
  font-weight: 500;
}
.overview-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
.feature { min-height: 260px; padding: 34px; }
.feature span { display: inline-block; margin-bottom: 34px; font-size: 13px; opacity: .6; }
.feature h3 { margin-bottom: 12px; font-family: "STSong", "Songti SC", serif; font-size: 34px; font-weight: 500; }
.feature p { margin-bottom: 0; max-width: 500px; opacity: .72; }
.feature-wide { grid-row: span 2; position: relative; min-height: 560px; overflow: hidden; color: white; }
.feature-wide::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(0,0,0,.8)); }
.feature-wide img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.feature-wide > div { position: absolute; z-index: 2; left: 40px; right: 40px; bottom: 36px; }
.feature-dark { background: var(--green); color: white; }
.feature-accent { background: var(--accent); }

.gallery-section {
  padding-bottom: 92px;
  background: var(--paper-2);
  border-top: 1px solid var(--line);
}
.gallery-intro { padding-bottom: 52px; }
.gallery-heading { align-items: end; }
.gallery-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.filter-button {
  appearance: none;
  border: 1px solid rgba(16,21,19,.25);
  border-radius: 999px;
  padding: 10px 15px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.filter-button span { margin-left: 5px; opacity: .48; font-size: 12px; }
.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active { color: var(--white); background: var(--ink); border-color: var(--ink); }
.photo-wall {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  columns: 4 280px;
  column-gap: 14px;
}
.photo-card {
  break-inside: avoid;
  margin: 0 0 14px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
}
.photo-card button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: white;
  cursor: zoom-in;
  text-align: left;
}
.photo-card img {
  height: auto;
  transition: transform .45s cubic-bezier(.2,.7,.2,1), opacity .25s ease;
}
.photo-card figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  min-height: 96px;
  padding: 42px 16px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,.72));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}
.photo-card figcaption span { font-size: 14px; }
.photo-card figcaption small { opacity: .7; font-size: 11px; letter-spacing: .12em; white-space: nowrap; }
.photo-card:hover img,
.photo-card button:focus-visible img { transform: scale(1.025); opacity: .9; }
.photo-card:hover figcaption,
.photo-card button:focus-visible figcaption { opacity: 1; transform: translateY(0); }
.noscript-note { padding: 20px; text-align: center; }

.story {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: center;
}
.story-image { position: relative; }
.story-image img { aspect-ratio: 4 / 5; object-fit: cover; }
.story-copy h2,
.details-lead h2,
.closing h2 {
  margin-bottom: 32px;
  font-family: "STSong", "Songti SC", serif;
  font-size: clamp(40px, 4.6vw, 72px);
  line-height: 1.14;
  font-weight: 500;
  letter-spacing: -.035em;
}
.story-copy > p:not(.eyebrow) { color: rgba(16,21,19,.7); font-size: 17px; }
blockquote {
  margin: 42px 0 0;
  padding: 24px 0 0 30px;
  border-top: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  font-family: "STSong", "Songti SC", serif;
  font-size: 24px;
  line-height: 1.6;
}

.details { background: var(--ink); color: var(--white); }
.details-inner { padding-top: 132px; padding-bottom: 132px; }
.details-lead {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 80px;
}
.details-lead .eyebrow { grid-column: 1 / -1; margin-bottom: -44px; }
.details-lead h2 { margin-bottom: 0; }
.details-lead > p:last-child { margin: 0; color: rgba(255,255,255,.6); font-size: 16px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid rgba(255,255,255,.18); }
.detail-grid article {
  min-height: 360px;
  padding: 38px 42px 42px 0;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.detail-grid article:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.18); }
.detail-grid article:nth-child(even) { padding-left: 42px; }
.detail-index { display: block; margin-bottom: 50px; color: var(--accent); font-size: 13px; }
.detail-grid h3 { font-family: "STSong", "Songti SC", serif; font-size: 32px; font-weight: 500; }
.detail-grid p { max-width: 560px; color: rgba(255,255,255,.62); line-height: 1.85; }
.owner-notes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 78px;
  border-top: 1px solid rgba(255,255,255,.25);
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.owner-notes p {
  margin: 0;
  padding: 42px 42px 44px 0;
  color: rgba(255,255,255,.72);
  font-size: 17px;
  line-height: 1.9;
}
.owner-notes p:last-child {
  padding-left: 42px;
  border-left: 4px solid var(--accent);
  font-family: "STSong", "Songti SC", serif;
  font-size: 22px;
  color: rgba(255,255,255,.9);
}
.spec-list { margin-top: 78px; border-top: 1px solid rgba(255,255,255,.25); }
.spec-list div { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.spec-list span { color: rgba(255,255,255,.48); }
.spec-list strong { font-weight: 500; }

.closing {
  position: relative;
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  align-items: center;
  overflow: hidden;
}
.closing-mark {
  color: transparent;
  -webkit-text-stroke: 2px rgba(16,21,19,.14);
  font-family: Georgia, serif;
  font-size: clamp(160px, 24vw, 360px);
  line-height: .8;
  letter-spacing: -.12em;
}
.closing-copy > p:not(.eyebrow) { max-width: 670px; color: rgba(16,21,19,.68); font-size: 17px; }
.closing .disclaimer { margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13px !important; }

footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding: 52px max(24px, calc((100% - var(--max)) / 2 + 48px));
  color: var(--white);
  background: var(--green);
}
footer div { display: flex; flex-direction: column; }
footer strong { font-family: "STSong", "Songti SC", serif; font-size: 25px; font-weight: 500; }
footer span,
footer p { margin: 0; color: rgba(255,255,255,.6); font-size: 13px; }

.lightbox {
  width: min(94vw, 1420px);
  height: min(92vh, 980px);
  max-width: none;
  max-height: none;
  margin: auto;
  padding: 0;
  border: 0;
  color: white;
  background: #080a09;
  overflow: hidden;
}
.lightbox::backdrop { background: rgba(4,8,6,.92); backdrop-filter: blur(9px); }
.lightbox figure { width: 100%; height: 100%; margin: 0; display: grid; grid-template-rows: 1fr auto; }
.lightbox figure img { min-height: 0; height: 100%; object-fit: contain; }
.lightbox figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 15px 20px; border-top: 1px solid rgba(255,255,255,.12); }
.lightbox figcaption small { color: rgba(255,255,255,.55); }
.lightbox-close,
.lightbox-nav {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.35);
  color: white;
  background: rgba(0,0,0,.45);
  cursor: pointer;
}
.lightbox-close { top: 14px; right: 14px; width: 44px; height: 44px; border-radius: 50%; font-size: 26px; }
.lightbox-nav { top: 50%; width: 48px; height: 64px; transform: translateY(-50%); font-size: 21px; }
.lightbox-prev { left: 14px; }
.lightbox-next { right: 14px; }
.lightbox-close:hover,
.lightbox-close:focus-visible,
.lightbox-nav:hover,
.lightbox-nav:focus-visible { background: var(--accent); border-color: var(--accent); }

@media (max-width: 900px) {
  .site-header { width: calc(100% - 32px); }
  nav { display: none; }
  .hero { min-height: 0; grid-template-columns: 1fr; }
  .hero-photo { min-height: 56vh; }
  .hero-copy { padding: 58px 24px 60px; }
  h1 { font-size: clamp(44px, 13vw, 70px); }
  .fact-strip { grid-template-columns: repeat(2, 1fr); }
  .fact-strip > div { padding: 24px; border-bottom: 1px solid var(--line); }
  .section { padding: 80px 20px; }
  .section-heading { grid-template-columns: 1fr; gap: 4px; }
  .overview-grid { grid-template-columns: 1fr; }
  .feature-wide { min-height: 520px; }
  .story { grid-template-columns: 1fr; }
  .details-lead { grid-template-columns: 1fr; gap: 24px; }
  .details-lead .eyebrow { grid-column: auto; margin-bottom: 0; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-grid article,
  .detail-grid article:nth-child(odd),
  .detail-grid article:nth-child(even) { min-height: 0; padding: 34px 0; border-right: 0; }
  .detail-index { margin-bottom: 30px; }
  .owner-notes { grid-template-columns: 1fr; }
  .owner-notes p { padding: 34px 0; }
  .owner-notes p:last-child { padding: 34px 0 34px 26px; border-top: 1px solid rgba(255,255,255,.18); border-left-width: 3px; }
  .closing { grid-template-columns: 1fr; gap: 42px; }
  .closing-mark { font-size: 42vw; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .hero-photo { min-height: 420px; }
  .hero-photo img { object-position: 56% center; }
  .hero-photo-label { left: 16px; bottom: 16px; }
  .fact-strip > div { padding: 20px 16px; }
  .fact-strip strong { font-size: 21px; }
  .feature { padding: 26px; }
  .feature-wide { min-height: 430px; }
  .feature-wide > div { left: 26px; right: 26px; bottom: 24px; }
  .photo-wall { width: calc(100% - 24px); columns: 2 140px; column-gap: 8px; }
  .photo-card { margin-bottom: 8px; }
  .photo-card figcaption { display: none; }
  .gallery-toolbar { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .filter-button { flex: 0 0 auto; }
  blockquote { font-size: 21px; }
  .spec-list div { grid-template-columns: 1fr; gap: 4px; }
  .lightbox { width: 100vw; height: 100vh; }
  .lightbox-nav { width: 42px; height: 56px; }
}

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