:root {
  --ink: #1e1b18;
  --muted: #6f675d;
  --paper: #f7f3ec;
  --soft: #ebe3d7;
  --wood: #6e4128;
  --olive: #52624b;
  --brass: #b88a4c;
  --white: #fffaf2;
  --line: rgba(30, 27, 24, 0.14);
  --shadow: 0 24px 70px rgba(30, 27, 24, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body.zh { font-family: Inter, "Noto Serif SC", "PingFang SC", "Hiragino Sans GB", sans-serif; }
img { display: block; max-width: 100%; }
a { color: inherit; }

.site-header {
  position: fixed; z-index: 10; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(rgba(20, 18, 16, 0.72), rgba(20, 18, 16, 0));
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(255,250,242,.55); border-radius: 50%; font-family: "Noto Serif SC", serif; font-size: 22px; font-weight: 900; }
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand small { margin-top: 3px; opacity: .74; }
.nav-links { display: flex; gap: 24px; font-size: 14px; }
.nav-links a { text-decoration: none; opacity: .88; }
.lang-toggle, .primary-action, .secondary-action, .interest-form button { min-height: 44px; border-radius: 999px; border: 0; font: inherit; font-weight: 800; cursor: pointer; }
.lang-toggle { padding: 0 18px; color: var(--ink); background: var(--white); }

.hero { position: relative; min-height: 92vh; overflow: hidden; color: var(--white); }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; }
.hero-shade { background: linear-gradient(90deg, rgba(20,17,14,.78), rgba(20,17,14,.36) 48%, rgba(20,17,14,.12)), linear-gradient(0deg, rgba(20,17,14,.36), rgba(20,17,14,0)); }
.hero-content { position: relative; display: flex; min-height: 92vh; max-width: 760px; flex-direction: column; justify-content: center; padding: 120px clamp(22px, 6vw, 78px) 96px; }
.eyebrow, .section-kicker { margin: 0 0 14px; color: var(--brass); font-size: 13px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: "Noto Serif SC", Georgia, serif; font-size: clamp(48px, 9vw, 112px); line-height: .96; letter-spacing: 0; }
.hero-copy { max-width: 620px; margin: 24px 0 0; color: rgba(255,250,242,.88); font-size: clamp(18px, 2vw, 23px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.primary-action, .secondary-action { display: inline-flex; align-items: center; padding: 0 22px; text-decoration: none; }
.primary-action { color: var(--ink); background: var(--white); }
.secondary-action { color: var(--white); border: 1px solid rgba(255,250,242,.46); }

.status-band { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: clamp(28px,6vw,90px); padding: clamp(34px,6vw,78px) clamp(22px,6vw,78px); background: var(--ink); color: var(--white); }
.status-band h2, .section-heading h2, .story-copy h2, .contact-section h2 { margin: 0; font-family: "Noto Serif SC", Georgia, serif; font-size: clamp(32px,5vw,62px); line-height: 1.08; letter-spacing: 0; }
.status-band p:last-child, .section-heading p:last-child, .story-copy p, .contact-section p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.status-band p:last-child { color: rgba(255,250,242,.74); }
.section { padding: clamp(70px,10vw,132px) clamp(22px,6vw,78px); }
.section-heading { max-width: 780px; margin-bottom: 42px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: 0 14px 34px rgba(30,27,24,.08); }
.product-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.product-card div { padding: 22px; }
.product-tag { margin: 0 0 8px; color: var(--olive); font-size: 12px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.product-card h3 { margin: 0 0 10px; font-size: 24px; line-height: 1.15; }
.product-card p:not(.product-tag) { margin: 0 0 18px; color: var(--muted); line-height: 1.62; }
.product-card a { color: var(--wood); font-weight: 900; text-decoration: none; }

.split-section { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(32px,7vw,96px); align-items: center; padding: clamp(70px,10vw,132px) clamp(22px,6vw,78px); background: var(--soft); }
.story-copy p { margin-top: 22px; }
.material-panel { overflow: hidden; border-radius: 8px; background: var(--white); box-shadow: var(--shadow); }
.material-panel img { width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.material-panel dl { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0; background: var(--line); }
.material-panel div { padding: 22px; background: var(--white); }
.material-panel dt { margin-bottom: 8px; font-weight: 900; }
.material-panel dd { margin: 0; color: var(--muted); line-height: 1.55; }
.journal-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid var(--line); }
.journal-list article { padding: 30px 28px 28px 0; border-bottom: 1px solid var(--line); }
.journal-list span { color: var(--brass); font-weight: 900; }
.journal-list h3 { margin: 12px 0 10px; font-size: 28px; }
.journal-list p { margin: 0; color: var(--muted); line-height: 1.7; }
.contact-section { display: grid; grid-template-columns: minmax(0,.9fr) minmax(320px,520px); gap: clamp(32px,7vw,96px); padding: clamp(70px,10vw,132px) clamp(22px,6vw,78px); color: var(--white); background: var(--olive); }
.contact-section p { margin-top: 20px; color: rgba(255,250,242,.78); }
.interest-form { display: grid; gap: 15px; padding: clamp(20px,4vw,34px); border: 1px solid rgba(255,250,242,.2); border-radius: 8px; background: rgba(255,250,242,.08); }
.interest-form label { display: grid; gap: 8px; font-weight: 800; }
.interest-form input, .interest-form select, .interest-form textarea { width: 100%; border: 1px solid rgba(255,250,242,.25); border-radius: 8px; padding: 13px 14px; color: var(--ink); background: var(--white); font: inherit; }
.interest-form textarea { resize: vertical; }
.interest-form button { margin-top: 6px; color: var(--ink); background: var(--brass); }
.form-note { margin: 0; font-size: 14px; }
.site-footer { display: flex; justify-content: space-between; gap: 18px; padding: 28px clamp(22px,6vw,78px); color: rgba(255,250,242,.72); background: var(--ink); }
.site-footer p { margin: 0; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .hero-content { justify-content: flex-end; padding-top: 110px; }
  .status-band, .split-section, .contact-section { grid-template-columns: 1fr; }
  .product-grid, .journal-list { grid-template-columns: 1fr; }
  .material-panel dl { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}
@media (max-width: 560px) {
  .brand strong { font-size: 14px; }
  .brand small { font-size: 12px; }
  .brand-mark { width: 36px; height: 36px; }
  .hero-actions { display: grid; }
  .primary-action, .secondary-action { justify-content: center; }
  .hero h1 { font-size: 52px; }
  .hero-copy { font-size: 17px; }
}