:root {
  --ivory: #F8F2E4; --sand: #EFE4CC; --camel: #D3B991; --goose: #F6E7B0;
  --gold: #B08B4A; --bronze: #8A6D3B; --ink: #3B2F20; --mid: #745F41; --line: #D9C9A6;
  --serif: "Cambria","Georgia","Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans: "PingFang SC","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--ivory); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.8; -webkit-font-smoothing: antialiased; animation: pageIn .7s ease both; transition: opacity .26s ease; }
body.leaving { opacity: 0; }
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, 88vw); margin: 0 auto; }

/* ---------- bilingual: English first & larger, Chinese below & smaller ---------- */
.bi .e { display: block; font-family: var(--serif); }
.bi .z { display: block; font-family: var(--sans); color: var(--mid); }
.camel .bi .z { color: var(--ink); opacity: .85; }
h2.bi .e { font-weight: 400; font-size: clamp(42px, 6.6vw, 80px); line-height: 1.1; letter-spacing: .02em; }
h2.bi .z { font-family: var(--serif); font-size: clamp(18px, 2.1vw, 24px); letter-spacing: .36em; margin-top: 16px; }
.lead { margin-top: 56px; max-width: 880px; }
.lead + .lead { margin-top: 38px; }
.lead.bi .e { font-size: clamp(22px, 2.7vw, 32px); line-height: 1.5; }
.lead.bi .z { font-size: clamp(16px, 1.6vw, 18px); margin-top: 10px; }
.sm.bi .e { font-size: 17px; } .sm.bi .z { font-size: 14px; }
.note { margin-top: 56px; max-width: 760px; }
.note.bi .e { font-size: 15.5px; } .note.bi .z { font-size: 13.5px; }

/* ---------- nav ---------- */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .3s, box-shadow .3s; }
nav.solid { background: rgba(248,242,228,.95); box-shadow: 0 1px 0 var(--line); backdrop-filter: blur(6px); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 82px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 19px; letter-spacing: .22em; }
.links { display: flex; gap: 40px; }
.links a { display: flex; flex-direction: column; align-items: center; line-height: 1.3; color: var(--mid); position: relative; padding-bottom: 6px; transition: color .2s; }
.links a .e { font-family: var(--serif); font-size: 15px; letter-spacing: .06em; }
.links a .z { font-size: 11.5px; letter-spacing: .28em; opacity: .9; margin-top: 1px; }
.links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--gold); transform: scaleX(0); transition: transform .3s; }
.links a:hover, .links a.on { color: var(--bronze); }
.links a:hover::after, .links a.on::after { transform: scaleX(1); }

/* ---------- home / hero ---------- */
.hero { height: 100vh; min-height: 620px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 100px 6vw 70px; position: relative; }
.hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(50px, 9.4vw, 108px); letter-spacing: .1em; line-height: 1.05; margin-top: 34px; padding-left: .1em; }
.hero .zh { font-family: var(--serif); font-size: clamp(20px, 2.6vw, 28px); letter-spacing: .6em; margin-top: 16px; padding-left: .6em; color: var(--mid); }
.hero .tag { margin-top: 58px; }
.hero .tag .t1 { font-family: var(--serif); font-size: clamp(19px, 2.5vw, 28px); letter-spacing: .06em; color: var(--bronze); }
.hero .tag .t2 { font-size: clamp(14px, 1.5vw, 16px); letter-spacing: .12em; color: var(--mid); margin-top: 8px; }
.home-foot { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; font-size: 12px; color: var(--mid); letter-spacing: .04em; padding: 0 5vw; }

/* ---------- inner pages ---------- */
main.page { min-height: calc(100vh - 140px); display: flex; align-items: center; }
main.page section { padding: 170px 0 110px; width: 100%; }
.sand { background: var(--sand); }
.camel { background: var(--camel); }
.kicker { display: flex; align-items: center; gap: 12px; font-size: 12.5px; letter-spacing: .3em; color: var(--bronze); margin-bottom: 26px; font-family: var(--serif); }
.camel .kicker { color: var(--ink); }
.kicker .logo { flex: none; }
.camel .kicker .rosette { stroke: #3B2F20; }

/* products */
.root { margin-top: 72px; padding-top: 30px; border-top: 1px solid var(--gold); }
.root h3.bi .e { font-weight: 400; font-size: clamp(32px, 4.4vw, 52px); line-height: 1.15; }
.root h3.bi .z { font-family: var(--serif); font-size: 17px; letter-spacing: .34em; margin-top: 10px; }
.root .sm { margin-top: 16px; }
.branches { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 56px; margin-top: 52px; }
.br { padding-top: 22px; border-top: 1px solid var(--line); }
.br h4.bi .e { font-weight: 400; font-size: 26px; line-height: 1.25; }
.br h4.bi .z { font-size: 15px; margin-top: 4px; }
.br ul { list-style: none; margin-top: 22px; }
.br li { padding: 14px 0; border-top: 1px solid var(--line); }
.br li.bi .e { font-size: 18px; line-height: 1.4; }
.br li.bi .z { font-size: 14px; margin-top: 2px; }
.btn { display: inline-flex; align-items: baseline; gap: 12px; margin-top: 38px; padding: 14px 34px; border: 1px solid var(--ink); border-radius: 40px; transition: background .25s, color .25s; }
.btn .e { font-family: var(--serif); font-size: 17px; letter-spacing: .1em; }
.btn .z { font-size: 14px; letter-spacing: .2em; opacity: .85; }
.btn:hover { background: var(--ink); color: var(--ivory); }

/* founder */
.founder { margin-top: 96px; padding-top: 30px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 190px 1fr; gap: 40px; }
.founder small { font-family: var(--serif); font-size: 13px; letter-spacing: .3em; color: var(--bronze); }
.founder small span { display: block; margin-top: 6px; letter-spacing: .34em; font-family: var(--sans); }
.body.bi .e { font-size: 19px; line-height: 1.65; }
.body.bi .z { font-size: 15.5px; margin-top: 12px; line-height: 1.8; }

/* contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; margin-top: 72px; }
.contact > div { padding: 24px 0 32px; border-top: 1px solid rgba(248,242,228,.85); }
.contact small { display: block; font-family: var(--serif); letter-spacing: .24em; font-size: 12.5px; margin-bottom: 12px; }
.contact p.bi .e { font-size: 21px; line-height: 1.45; }
.contact p.bi .z { font-size: 15px; margin-top: 4px; }
.contact .mail a { font-family: var(--serif); font-size: clamp(22px, 2.8vw, 31px); border-bottom: 1px solid var(--ink); padding-bottom: 3px; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 36px 0 50px; font-size: 12.5px; color: var(--mid); }
footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer .f1 { display: flex; align-items: center; gap: 14px; line-height: 1.5; }
footer .f1 em { display: block; font-style: normal; }
footer .e2 { font-family: var(--serif); letter-spacing: .08em; }

/* reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .9s ease, transform .9s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- intro (logo pull-back with growing light) ---------- */
#introOv, #skip { display: none; }
html.intro { overflow: hidden; }
html.intro nav, html.intro .hero-text, html.intro .home-foot { opacity: 0; }
html.intro #introOv { display: block; position: fixed; inset: 0; background: #17110B; z-index: 40; overflow: hidden; }
#introOv .light { position: absolute; inset: 0; background: radial-gradient(circle at 50% 50%, #FCF8EC 0%, #F8F2E4 55%, #F4EBD3 100%); clip-path: circle(0px at 50% 50%); }
#introOv .glow { position: absolute; left: 50%; top: 50%; width: 70vmin; height: 70vmin; margin: -35vmin 0 0 -35vmin; border-radius: 50%; background: radial-gradient(circle, rgba(246,231,176,.95) 0%, rgba(246,231,176,.35) 38%, rgba(246,231,176,0) 70%); opacity: 0; }
html.intro .hero .logo { position: relative; z-index: 60; }
html.intro .hero .rosette { stroke: #F3DFA2; }
html.intro .hero .rc { stroke-dasharray: 1 2; stroke-dashoffset: 1.02; }
html.intro body { animation: none; }
html.intro #skip { display: block; position: fixed; right: 28px; bottom: 26px; z-index: 90; background: none; border: 1px solid rgba(243,223,162,.55); color: #F3DFA2; border-radius: 30px; padding: 8px 20px; font-family: var(--serif); font-size: 13px; letter-spacing: .14em; cursor: pointer; transition: background .2s, color .2s; }
html.intro #skip span { font-family: var(--sans); font-size: 12px; margin-left: 6px; letter-spacing: .2em; }
html.intro #skip:hover { background: rgba(243,223,162,.15); }

@media (max-width: 860px) {
  main.page section { padding: 130px 0 80px; }
  .links { gap: 16px; }
  .links a .z { display: none; }
  .links a .e { font-size: 13px; letter-spacing: .02em; }
  .brand span { display: none; }
  .branches, .contact { grid-template-columns: 1fr; gap: 34px; }
  .contact { gap: 0; }
  .founder { grid-template-columns: 1fr; gap: 14px; }
  .hero .tag { margin-top: 44px; }
  footer .wrap { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}