:root {
  --paper: #f5f2e9;
  --paper-dark: #ebe8de;
  --white: #fcfaf5;
  --green: #173f35;
  --ink: #263b33;
  --muted: #677168;
  --red: #a64331;
  --line: rgba(23, 63, 53, .18);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", SimSun, serif;
  --sans: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body::before { position: fixed; inset: 0; z-index: -1; pointer-events: none; content: ""; opacity: .33; background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(68, 75, 50, .026) 3px 4px), repeating-linear-gradient(90deg, transparent 0 4px, rgba(68, 75, 50, .022) 4px 5px); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--red); outline-offset: 6px; }
::selection { color: var(--white); background: var(--green); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 400; }
svg { display: block; max-width: 100%; }
.wrap { width: min(1240px, calc(100% - 104px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 14px; padding: 14px 22px; color: var(--white); background: var(--green); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(245, 242, 233, .97); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 101px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-logo { display: block; width: 54px; height: 54px; object-fit: contain; }
.brand-seal { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 45px; height: 53px; border: 1px solid var(--red); color: var(--red); font-family: var(--serif); font-size: 22px; line-height: 1.03; border-radius: 2px; }
.brand-copy strong { display: block; color: var(--green); font-family: var(--serif); font-weight: 600; font-size: 29px; line-height: 1.1; letter-spacing: .08em; }
.brand-copy small { display: block; font-size: 10px; margin-top: 8px; color: var(--muted); letter-spacing: .06em; }
.site-nav { display: flex; align-items: center; gap: 37px; font-size: 13px; }
.site-nav a { padding: 12px 0; border-bottom: 1px solid transparent; transition: color .15s ease, border-color .15s ease; }
.site-nav a:hover { color: var(--red); border-color: var(--red); }
.site-nav a:last-child { margin-left: 4px; color: var(--red); }
.site-nav a span { margin-left: 13px; }
.menu-toggle { display: none; }
.hero { position: relative; overflow: hidden; background: linear-gradient(90deg, rgba(245, 242, 233, .97) 0%, rgba(245, 242, 233, .83) 42%, rgba(245, 242, 233, .38) 100%), url("/assets/pengyou-heritage.jpg") center / cover no-repeat; }
.hero-inner { display: grid; grid-template-columns: 1.11fr 1fr; align-items: center; gap: 15px; min-height: 600px; padding-top: 25px; }
.hero-copy { position: relative; z-index: 2; padding-block: 38px 48px; }
.eyebrow { color: var(--red); font-size: 12px; font-weight: 500; letter-spacing: .18em; }
.hero-copy .eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 35px; }
.red-line { display: inline-block; width: 24px; height: 1px; background: var(--red); }
.hero h1 { color: var(--green); font-family: var(--serif); font-size: clamp(43px, 4.4vw, 63px); line-height: 1.36; letter-spacing: -.055em; font-weight: 500; }
.hero h1 span { letter-spacing: .01em; }
.hero-lead { margin-top: 28px; color: var(--ink); font-size: 19px; line-height: 1.7; letter-spacing: .045em; }
.hero-description { margin-top: 13px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 42px; min-height: 52px; padding: 16px 22px; font-size: 13px; letter-spacing: .05em; transition: background .16s ease; }
.button-green { color: var(--white); background: var(--green); }
.button-green:hover { background: #295548; }
.hero .button { margin-top: 31px; }
.hero-art { position: relative; width: 100%; max-width: 500px; margin-left: auto; }
.culture-emblem { position: relative; width: min(430px, 100%); margin: 32px auto; padding: 27px 31px 24px; background: rgba(252, 250, 245, .76); border: 1px solid rgba(23, 63, 53, .22); box-shadow: 0 20px 45px rgba(29, 53, 42, .05); }
.culture-emblem::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(23, 63, 53, .1); pointer-events: none; }
.emblem-heading { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 11px; letter-spacing: .16em; }
.emblem-seal { display: grid; place-items: center; width: 31px; min-height: 37px; border: 1px solid var(--red); color: var(--red); font-family: var(--serif); font-size: 16px; letter-spacing: 0; writing-mode: vertical-rl; line-height: 1.1; padding: 4px; }
.emblem-center { min-height: 315px; position: relative; display: flex; justify-content: center; align-items: center; }
.emblem-center::before { content: ""; width: 251px; height: 251px; border: 1px solid rgba(23, 63, 53, .16); border-radius: 50%; position: absolute; }
.emblem-character { color: var(--green); font-family: var(--serif); font-size: 195px; line-height: 1; font-weight: 400; transform: translateY(-7px); }
.emblem-inscription { position: absolute; right: 3px; top: 73px; color: var(--muted); writing-mode: vertical-rl; font-family: var(--serif); font-size: 14px; letter-spacing: .15em; }
.emblem-bottom { display: flex; justify-content: space-between; gap: 15px; border-top: 1px solid var(--line); padding-top: 20px; color: var(--green); font-size: 11px; letter-spacing: .1em; }
.hero-bottom { display: flex; justify-content: space-between; gap: 16px; align-items: center; min-height: 76px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.hero-bottom a { display: inline-flex; gap: 22px; align-items: center; font-size: 11px; padding-block: 18px; }
.section { padding-block: 91px 96px; }
.section-label { display: flex; align-items: center; gap: 14px; color: var(--green); font-size: 12px; letter-spacing: .12em; }
.section-label span { display: inline-flex; align-items: center; gap: 14px; font-size: 11px; letter-spacing: .06em; }
.section-label span::after { display: block; content: ""; height: 1px; width: 26px; background: var(--line); }
.about-body { display: grid; grid-template-columns: 1fr .93fr; gap: 80px; margin-top: 49px; align-items: start; }
.section-heading .eyebrow { margin-bottom: 20px; }
.section-heading h2 { color: var(--green); font-family: var(--serif); font-size: clamp(32px, 3.1vw, 44px); line-height: 1.48; letter-spacing: -.01em; }
.about-copy { padding-top: 10px; }
.about-copy p { color: var(--muted); font-size: 14px; line-height: 2; margin-bottom: 18px; }
.about-copy .large-copy { font-family: var(--serif); font-size: 23px; color: var(--green); margin-bottom: 21px; }
.text-link { display: inline-flex; align-items: center; gap: 30px; padding-block: 10px; color: var(--green); font-size: 12px; border-bottom: 1px solid var(--green); }
.text-link:hover { color: var(--red); border-color: var(--red); }
.site-identity { background: rgba(252, 250, 245, .73); border-bottom: 1px solid var(--line); }
.identity-grid { display: grid; grid-template-columns: 1.23fr 1.54fr 1fr 1.1fr; gap: 27px; margin-block: 0; padding-block: 27px 29px; }
.identity-grid dt { color: var(--muted); font-size: 10px; letter-spacing: .1em; margin-bottom: 11px; }
.identity-grid dd { margin: 0; color: var(--green); font-size: 12px; line-height: 1.9; }
.identity-grid a:hover { color: var(--red); }
.business { position: relative; background: var(--green); color: var(--paper); }
.business::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: radial-gradient(ellipse at 80% 10%, rgba(247, 242, 220, .065), transparent 52%); }
.business .wrap { position: relative; z-index: 1; }
.business .section-label { color: #ccd1bd; }
.business .section-label span::after { background: rgba(245, 242, 233, .3); }
.business .eyebrow { color: #d3b494; }
.business .section-heading h2 { color: var(--paper); }
.business-header { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-block: 44px 53px; }
.business-header > p { margin-bottom: 12px; color: #d0d6c9; font-size: 13px; line-height: 2; }
.business a:focus-visible { outline-color: #e1b18a; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 27px; }
.culture-card { padding: 24px 0 17px; border-top: 1px solid rgba(245, 242, 233, .35); }
.culture-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 36px; }
.culture-number { color: #c3cab9; font-size: 12px; font-family: var(--serif); }
.culture-motif { font-family: var(--serif); font-size: 40px; line-height: 1; color: rgba(245, 242, 233, .35); }
.culture-card h3 { color: var(--paper); font-family: var(--serif); font-size: 29px; line-height: 1.5; letter-spacing: .03em; }
.culture-card p { color: #d0d6c9; font-size: 12px; line-height: 2; margin-top: 17px; }
.contact { padding-bottom: 108px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 46px; }
.contact-intro { color: var(--muted); font-size: 14px; line-height: 1.95; margin-top: 24px; }
.contact-info { padding-top: 8px; }
.contact-item { padding-bottom: 25px; margin-bottom: 29px; border-bottom: 1px solid var(--line); }
.contact-label { display: block; font-size: 11px; letter-spacing: .07em; color: var(--muted); margin-bottom: 15px; }
.phone { display: inline-flex; gap: 24px; color: var(--green); font-family: var(--serif); font-size: 35px; line-height: 1.4; font-variant-numeric: lining-nums; }
.phone span { color: var(--red); font-family: var(--sans); font-size: 25px; }
.phone:hover { color: var(--red); }
.contact-item p { font-size: 15px; line-height: 1.8; }
.contact-item small { display: block; margin-top: 12px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.contact-company { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.contact-company p { font-size: 13px; }
.site-footer { background: var(--paper-dark); border-top: 1px solid var(--line); }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 37px 31px; }
.footer-brand { font-family: var(--serif); font-size: 28px; color: var(--green); letter-spacing: .08em; }
.footer-address { color: var(--muted); font-size: 10px; line-height: 1.9; margin-top: 10px; }
.footer-brand span { display: block; font-family: var(--sans); font-size: 10px; letter-spacing: .04em; margin-top: 9px; color: var(--muted); }
.footer-links { display: flex; align-items: center; gap: 30px; font-size: 11px; color: var(--muted); }
.footer-links a { padding-block: 10px; }
.footer-links a:hover, .footer-bottom a:hover { color: var(--red); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 20px 23px; border-top: 1px solid var(--line); font-size: 10px; line-height: 1.8; color: var(--muted); }
.footer-bottom > div { display: flex; gap: 25px; }
.header-back { display: inline-flex; align-items: center; gap: 23px; font-size: 12px; color: var(--green); padding: 14px 0; }
.legal-main { max-width: 850px; padding-block: 74px 84px; }
.legal-main h1 { font-family: var(--serif); color: var(--green); font-size: 47px; line-height: 1.5; margin-top: 16px; }
.legal-date { font-size: 11px; color: var(--muted); margin-top: 14px; }
.legal-content { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 28px; margin-bottom: 27px; font-size: 14px; line-height: 2; color: var(--muted); }
.legal-content h2 { color: var(--green); font-family: var(--serif); font-size: 25px; line-height: 1.5; margin-bottom: 14px; }
.legal-content section { margin-top: 31px; }
.legal-content p + p { margin-top: 12px; }
.legal-contact { margin-top: 21px; padding: 21px 24px; border-left: 2px solid var(--green); background: var(--paper-dark); }
.legal-contact div { display: grid; grid-template-columns: 80px 1fr; gap: 17px; margin-block: 6px; }
.legal-contact dt { color: var(--muted); font-size: 12px; }
.legal-contact dd { margin: 0; color: var(--ink); font-size: 13px; }
.legal-contact a { text-decoration: underline; text-underline-offset: 4px; }
.error-page { min-height: 100vh; display: flex; flex-direction: column; }
.error-main { flex: 1; padding-block: 65px 85px; text-align: center; }
.error-code { color: rgba(23, 63, 53, .15); font-family: var(--serif); font-size: 120px; line-height: 1.3; }
.error-main h1 { font-family: var(--serif); font-size: 39px; color: var(--green); line-height: 1.5; }
.error-main > p:last-of-type { color: var(--muted); font-size: 13px; line-height: 1.9; margin-top: 17px; }
.error-actions { display: flex; justify-content: center; align-items: center; gap: 30px; margin-top: 30px; }
@media (min-width: 1500px) {
  .hero-inner { min-height: 620px; }
  .hero h1 { font-size: 66px; }
}
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 64px); }
  .site-nav { gap: 24px; }
  .hero-inner { min-height: 592px; }
  .hero h1 { font-size: 45px; }
  .culture-emblem { width: min(370px, 100%); padding: 23px; }
  .emblem-center { min-height: 275px; }
  .emblem-center::before { width: 220px; height: 220px; }
  .emblem-character { font-size: 169px; }
  .emblem-inscription { right: 0; font-size: 12px; }
  .identity-grid { grid-template-columns: 1fr 1.3fr; gap: 22px 30px; }
  .hero-lead { font-size: 17px; }
  .about-body, .contact-grid { gap: 45px; }
  .about-copy .large-copy { font-size: 21px; }
  .phone { font-size: 30px; gap: 16px; }
  .culture-grid { gap: 23px; }
  .culture-card h3 { font-size: 25px; }

}
@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .wrap { width: calc(100% - 40px); }
  .header-inner { min-height: 83px; gap: 16px; }
  .brand { gap: 10px; }
  .brand-logo { width: 42px; height: 42px; }
  .brand-seal { width: 34px; height: 42px; font-size: 18px; }
  .brand-copy strong { font-size: 24px; }
  .brand-copy small { font-size: 8px; margin-top: 6px; }
  .site-nav { display: flex; gap: 18px; flex-wrap: wrap; justify-content: end; font-size: 11px; }
  .site-nav a { padding: 7px 0; }
  .site-nav a:last-child { margin-left: 0; }
  .site-nav a span { display: none; }
  .js .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 44px; height: 44px; padding: 10px; color: var(--green); border: 1px solid var(--line); background: transparent; }
  .menu-toggle span { height: 1px; width: 20px; background: currentColor; transition: transform .16s ease; }
  .js .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .js .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .js .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; padding: 12px 20px 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
  .js .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .js .site-nav a { font-size: 14px; padding: 15px 4px; border-bottom: 1px solid var(--line); }
  .js .site-nav a:last-child { border-bottom: 0; }
  .hero-inner { grid-template-columns: 1fr; min-height: auto; padding-top: 0; gap: 0; }
  .hero-copy { padding-block: 53px 0; }
  .hero-copy .eyebrow { margin-bottom: 25px; font-size: 11px; }
  .hero h1 { font-size: clamp(35px, 8.5vw, 56px); line-height: 1.36; letter-spacing: -.035em; }
  .hero-lead { margin-top: 24px; font-size: 17px; }
  .hero-description { font-size: 13px; line-height: 1.9; }
  .hero .button { margin-top: 24px; }
  .hero { background-position: 63% center; }
  .hero-art { width: min(380px, 95%); margin: 7px auto 0; }
  .culture-emblem { margin: 32px auto 0; width: 100%; padding: 22px 26px; }
  .emblem-heading { font-size: 10px; }
  .emblem-center { min-height: 251px; }
  .emblem-center::before { width: 201px; height: 201px; }
  .emblem-character { font-size: 154px; }
  .emblem-inscription { top: 57px; right: 0; font-size: 11px; }
  .emblem-bottom { font-size: 10px; padding-top: 17px; gap: 10px; }
  .hero-bottom { margin-top: 20px; min-height: 67px; font-size: 8px; letter-spacing: .07em; }
  .hero-bottom a { font-size: 9px; gap: 14px; }
  .section { padding-block: 57px 59px; }
  .section-label { font-size: 11px; gap: 11px; }
  .section-label span { font-size: 10px; gap: 11px; }
  .section-label span::after { width: 22px; }
  .about-body { grid-template-columns: 1fr; margin-top: 33px; gap: 25px; }
  .section-heading .eyebrow { font-size: 10px; margin-bottom: 17px; }
  .section-heading h2 { font-size: 34px; line-height: 1.48; }
  .about-copy { padding-top: 0; }
  .about-copy p { font-size: 13px; margin-bottom: 16px; }
  .about-copy .large-copy { font-size: 20px; margin-bottom: 12px; }
  .identity-grid { padding-block: 24px; grid-template-columns: 1fr; gap: 17px; }
  .identity-grid > div { display: grid; grid-template-columns: 69px 1fr; gap: 12px; }
  .identity-grid dt { margin-bottom: 0; font-size: 10px; line-height: 1.9; }
  .identity-grid dd { font-size: 11px; }
  .business-header { display: block; margin-block: 33px 31px; }
  .business-header > p { font-size: 12px; margin-top: 22px; }
  .culture-grid { grid-template-columns: 1fr; gap: 0; }
  .culture-card { position: relative; padding-block: 24px 28px; padding-right: 50px; }
  .culture-card-top { margin-bottom: 15px; }
  .culture-motif { position: absolute; right: 0; top: 31px; font-size: 40px; }
  .culture-card h3 { font-size: 25px; }
  .culture-card p { font-size: 12px; margin-top: 12px; }
  .contact-grid { grid-template-columns: 1fr; margin-top: 33px; gap: 30px; }
  .contact-intro { font-size: 13px; margin-top: 17px; }
  .contact-info { padding-top: 0; }
  .phone { font-size: 31px; gap: 25px; }
  .contact-label { margin-bottom: 10px; font-size: 10px; }
  .contact-item { padding-bottom: 22px; margin-bottom: 25px; }
  .contact-item p { font-size: 13px; }
  .contact-company { margin-bottom: 0; padding-bottom: 0; }
  .footer-main { align-items: start; flex-direction: column; gap: 20px; padding-block: 29px 25px; }
  .footer-brand { font-size: 26px; }
  .footer-brand span { font-size: 9px; }
  .footer-address { font-size: 9px; }
  .footer-links { gap: 25px; font-size: 10px; }
  .footer-bottom { align-items: start; flex-direction: column; gap: 9px; padding-block: 18px 22px; font-size: 9px; }
  .footer-bottom > div { gap: 15px; flex-wrap: wrap; }
  .header-back { font-size: 10px; gap: 10px; }
  .legal-main { padding-block: 47px 57px; }
  .legal-main h1 { font-size: 36px; margin-top: 13px; }
  .legal-content { margin-top: 24px; font-size: 13px; line-height: 1.95; }
  .legal-content h2 { font-size: 23px; }
  .legal-contact { padding: 17px 15px; }
  .legal-contact div { grid-template-columns: 62px 1fr; gap: 9px; }
  .legal-contact dt { font-size: 11px; }
  .legal-contact dd { font-size: 11px; }
  .error-main { padding-block: 47px 61px; }
  .error-code { font-size: 102px; }
  .error-main h1 { font-size: 33px; }
  .error-main > p:last-of-type { font-size: 12px; }
  .error-actions { gap: 22px; }
}
@media (max-width: 360px) {
  .wrap { width: calc(100% - 32px); }
  .brand-copy small { font-size: 7px; }
  .hero h1 { font-size: 33px; }
  .hero-lead { font-size: 15px; }
  .phone { font-size: 28px; }
  .section-heading h2 { font-size: 30px; }
  .culture-emblem { padding: 20px; }
  .emblem-center { min-height: 227px; }
  .emblem-center::before { width: 183px; height: 183px; }
  .emblem-character { font-size: 140px; }
  .emblem-inscription { font-size: 10px; }
  .emblem-bottom { font-size: 9px; }
  .identity-grid > div { gap: 8px; grid-template-columns: 63px 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
