:root {
  --ink: #29211f;
  --muted: #756963;
  --rose: #b8435e;
  --rose-dark: #8f2944;
  --blush: #f8e9e7;
  --cream: #fffaf4;
  --paper: #fffdf9;
  --gold: #b88a43;
  --mint: #dce9df;
  --line: rgba(74, 49, 45, .14);
  --shadow: 0 24px 70px rgba(88, 50, 46, .12);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  --sans: "Microsoft YaHei", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: var(--sans); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: sticky; inset: 0 0 auto; z-index: 50; background: rgba(255,250,244,.9); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: .25s ease; }
.site-header.scrolled { border-color: var(--line); box-shadow: 0 8px 28px rgba(66,38,33,.06); }
.nav { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 48px; height: 48px; }
.brand-name { font: 700 22px/1 var(--serif); letter-spacing: .12em; }
.brand-note { display: block; margin-top: 7px; color: var(--muted); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { position: relative; color: #564b47; font-size: 14px; letter-spacing: .08em; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 2px; background: var(--rose); transition: right .25s; }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.nav-action { padding: 11px 20px; border: 1px solid var(--rose); border-radius: 999px; color: var(--rose) !important; }
.nav-action::after { display: none; }
.menu-btn { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: var(--ink); }
.menu-btn span, .menu-btn::before, .menu-btn::after { content: ""; display: block; width: 22px; height: 1px; margin: 6px auto; background: currentColor; transition: .25s; }
.hero { position: relative; min-height: 680px; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 74px; padding: 88px 0 112px; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 430px; height: 430px; left: -300px; top: 55px; border: 1px solid rgba(184,138,67,.26); border-radius: 50%; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 580px; margin: 22px 0 28px; font: 500 clamp(48px, 5.2vw, 76px)/1.14 var(--serif); letter-spacing: .03em; }
h1 em { color: var(--rose); font-style: normal; }
.hero-copy > p { max-width: 580px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 38px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 12px; padding: 0 24px; border: 1px solid var(--ink); border-radius: 999px; font-size: 14px; transition: transform .25s, background .25s, color .25s; }
.button:hover { transform: translateY(-2px); }
.button.primary { border-color: var(--rose); color: #fff; background: var(--rose); }
.button.primary:hover { background: var(--rose-dark); }
.button .arrow { font-size: 18px; }
.hero-visual { position: relative; }
.hero-visual > img { width: 100%; border-radius: 2px 88px 2px 88px; box-shadow: var(--shadow); }
.hero-stamp { position: absolute; left: -44px; bottom: -48px; width: 142px; height: 142px; display: grid; place-items: center; padding: 25px; border-radius: 50%; color: #fff; background: var(--rose); text-align: center; font: 500 16px/1.45 var(--serif); box-shadow: 0 16px 40px rgba(184,67,94,.3); }
.hero-index { position: absolute; right: -28px; top: -35px; color: rgba(184,67,94,.16); font: 400 112px/1 var(--serif); }
.section { padding: 118px 0; }
.section.tinted { background: #f4ece5; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 52px; }
.section-head h2, .page-title { margin: 14px 0 0; font: 500 clamp(36px, 4vw, 56px)/1.2 var(--serif); }
.section-head p { max-width: 480px; margin-bottom: 6px; color: var(--muted); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-card { min-height: 260px; padding: 42px 38px; border-right: 1px solid var(--line); }
.value-card:last-child { border: 0; }
.value-card .no { color: var(--gold); font: 500 34px/1 var(--serif); }
.value-card h3 { margin: 64px 0 14px; font: 500 24px/1.35 var(--serif); }
.value-card p { margin: 0; color: var(--muted); font-size: 14px; }
.product-strip { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 18px; }
.product-card { position: relative; min-height: 410px; padding: 34px; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.product-card:first-child { min-height: 520px; background: var(--rose); color: #fff; }
.product-card::after { content: ""; position: absolute; width: 230px; height: 230px; right: -65px; bottom: -85px; border-radius: 50%; background: var(--mint); opacity: .8; }
.product-card:first-child::after { width: 340px; height: 340px; right: -75px; bottom: -140px; background: #f1b8b7; opacity: .45; }
.product-card .tag { position: relative; z-index: 1; color: var(--gold); font-size: 11px; letter-spacing: .2em; }
.product-card:first-child .tag { color: #f4dca9; }
.product-card h3 { position: relative; z-index: 1; margin: 190px 0 16px; font: 500 31px/1.25 var(--serif); }
.product-card:first-child h3 { margin-top: 245px; font-size: 42px; }
.product-card p { position: relative; z-index: 1; max-width: 330px; margin: 0; opacity: .78; }
.article-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
.article-card { position: relative; min-height: 310px; display: flex; flex-direction: column; justify-content: space-between; padding: 32px; overflow: hidden; border: 1px solid var(--line); background: var(--paper); transition: transform .25s, box-shadow .25s; }
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.article-card:first-child { grid-row: span 2; min-height: 642px; color: #fff; background: var(--rose-dark); }
.article-card:first-child::after { content: ""; position: absolute; width: 430px; height: 430px; left: -110px; bottom: -225px; border-radius: 50%; background: #db8b91; opacity: .42; }
.article-meta, .article-link, .article-card h3, .article-card p { position: relative; z-index: 1; }
.article-meta { display: flex; justify-content: space-between; gap: 20px; color: var(--gold); font-size: 11px; letter-spacing: .14em; }
.article-card:first-child .article-meta { color: #f4dca9; }
.article-card h3 { max-width: 580px; margin: 70px 0 16px; font: 500 27px/1.4 var(--serif); }
.article-card:first-child h3 { margin-top: 250px; font-size: 42px; }
.article-card p { color: var(--muted); font-size: 14px; }
.article-card:first-child p { color: rgba(255,255,255,.72); }
.article-link { align-self: flex-end; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; }
.quote-band { padding: 88px 0; color: #fff; background: var(--ink); }
.quote-band .shell { display: grid; grid-template-columns: 180px 1fr; gap: 70px; align-items: center; }
.quote-mark { color: var(--gold); font: 400 130px/1 var(--serif); }
.quote-band blockquote { margin: 0; font: 400 clamp(28px, 3vw, 44px)/1.5 var(--serif); }
.page-hero { padding: 110px 0 80px; border-bottom: 1px solid var(--line); }
.page-hero p { max-width: 700px; margin: 24px 0 0; color: var(--muted); font-size: 17px; }
.detail-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.detail-aside { position: sticky; top: 120px; align-self: start; }
.detail-aside .num { color: rgba(184,67,94,.2); font: 500 88px/1 var(--serif); }
.detail-aside h2 { font: 500 33px/1.35 var(--serif); }
.detail-aside p, .detail-body p { color: var(--muted); }
.detail-body { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.info-card { min-height: 260px; padding: 34px; border: 1px solid var(--line); background: var(--paper); }
.info-card .icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 70px; border-radius: 50%; color: var(--rose); background: var(--blush); font: 500 20px var(--serif); }
.info-card h3 { font: 500 23px/1.35 var(--serif); }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; }
.career-list { border-top: 1px solid var(--line); }
.career-item { display: grid; grid-template-columns: 1.2fr .7fr .7fr auto; align-items: center; gap: 30px; padding: 30px 8px; border-bottom: 1px solid var(--line); }
.career-item h3 { margin: 0; font: 500 22px var(--serif); }
.career-item span { color: var(--muted); font-size: 14px; }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; background: var(--paper); border: 1px solid var(--line); }
.contact-copy { padding: 64px; }
.contact-copy h2 { font: 500 40px/1.3 var(--serif); }
.contact-list { margin-top: 50px; }
.contact-row { padding: 20px 0; border-top: 1px solid var(--line); }
.contact-row small { display: block; color: var(--gold); letter-spacing: .12em; }
.contact-row strong { display: block; margin-top: 8px; font-weight: 500; }
.contact-art { position: relative; overflow: hidden; background: var(--rose); }
.contact-art::before, .contact-art::after { content: ""; position: absolute; border-radius: 50%; }
.contact-art::before { width: 430px; height: 430px; right: -140px; top: -120px; background: #e5aaa5; }
.contact-art::after { width: 360px; height: 360px; left: -130px; bottom: -140px; background: var(--mint); }
.contact-art span { position: absolute; inset: 0; display: grid; place-items: center; z-index: 1; color: white; font: 500 58px/1.2 var(--serif); letter-spacing: .16em; writing-mode: vertical-rl; }
.article-layout { display: grid; grid-template-columns: 250px minmax(0, 720px); justify-content: center; gap: 80px; }
.article-toc { position: sticky; top: 120px; align-self: start; padding-top: 8px; color: var(--muted); font-size: 13px; }
.article-toc strong { display: block; margin-bottom: 20px; color: var(--gold); letter-spacing: .14em; }
.article-body .lead { color: var(--ink); font: 500 24px/1.75 var(--serif); }
.article-body p { color: #5f5551; line-height: 2; }
.article-body h2 { margin: 56px 0 18px; font: 500 30px/1.4 var(--serif); }
.article-callout { margin: 48px 0; padding: 30px 34px; border-left: 3px solid var(--rose); background: var(--blush); font: 500 20px/1.7 var(--serif); }
.site-footer { padding: 72px 0 30px; color: #eee4de; background: #241f1d; }
.footer-top { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 80px; padding-bottom: 60px; }
.footer-brand { font: 500 30px var(--serif); letter-spacing: .12em; }
.footer-intro { max-width: 420px; margin: 18px 0 0; color: #a99e98; font-size: 14px; }
.footer-col strong { display: block; margin-bottom: 18px; color: var(--gold); font-size: 12px; letter-spacing: .16em; }
.footer-col a, .footer-col span { display: block; margin: 10px 0; color: #c9bdb7; font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.1); color: #867b76; font-size: 12px; }
.footer-bottom a:hover { color: #fff; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .shell { width: min(100% - 32px, 720px); }
  .nav { min-height: 72px; }
  .nav-links { position: fixed; inset: 72px 0 auto; display: grid; gap: 0; padding: 14px 24px 24px; background: var(--cream); border-bottom: 1px solid var(--line); transform: translateY(-130%); opacity: 0; transition: .25s; }
  .nav-links.open { transform: none; opacity: 1; }
  .nav-links a { padding: 15px 0; }
  .nav-links a::after { display: none; }
  .nav-action { margin-top: 8px; text-align: center; }
  .menu-btn { display: block; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 64px; padding: 66px 0 96px; }
  .hero-visual { width: 90%; margin-left: auto; }
  .section { padding: 88px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .value-grid, .product-strip { grid-template-columns: 1fr; }
  .value-card { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .value-card:last-child { border-bottom: 0; }
  .value-card h3 { margin-top: 36px; }
  .product-card, .product-card:first-child { min-height: 360px; }
  .product-card h3, .product-card:first-child h3 { margin-top: 160px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-card:first-child { grid-row: auto; min-height: 480px; }
  .article-card:first-child h3 { margin-top: 160px; }
  .quote-band .shell { grid-template-columns: 90px 1fr; gap: 30px; }
  .detail-grid, .article-layout { grid-template-columns: 1fr; gap: 50px; }
  .detail-aside, .article-toc { position: static; }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-art { min-height: 340px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .shell { width: calc(100% - 28px); }
  .brand-name { font-size: 19px; }
  .brand-note { display: none; }
  h1 { font-size: 43px; }
  .hero { padding-top: 48px; }
  .hero-copy > p { font-size: 15px; }
  .hero-visual { width: 94%; }
  .hero-stamp { left: -22px; bottom: -46px; width: 112px; height: 112px; padding: 18px; font-size: 13px; }
  .hero-index { right: -7px; top: -28px; font-size: 78px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 34px; }
  .value-card, .product-card, .article-card { padding: 26px; }
  .article-card h3 { margin-top: 50px; }
  .article-card:first-child h3 { font-size: 33px; }
  .quote-band .shell { grid-template-columns: 1fr; }
  .quote-mark { height: 50px; }
  .detail-body { grid-template-columns: 1fr; }
  .info-card { min-height: 230px; }
  .career-item { grid-template-columns: 1fr auto; gap: 8px 20px; }
  .career-item span:nth-of-type(2) { display: none; }
  .contact-copy { padding: 40px 26px; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .footer-top > :first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 10px; }
}