:root {
  color-scheme: light;
  --paper: #f6f4ef;
  --white: #fff;
  --ink: #171715;
  --muted: #66635d;
  --faint: #8c8880;
  --line: rgba(23,23,21,.14);
  --soft: #ebe8e1;
  --accent: #9f3f37;
  --accent-soft: #eee0dc;
  --deep: #193c3a;
  --container: 76rem;
  --gutter: clamp(1.25rem,5vw,4.5rem);
  --section: clamp(4rem,7vw,6.4rem);
  --font-zh: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-en: Inter,Geist,Manrope,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font: 400 1rem/1.72 var(--font-zh); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1,h2,h3,p,figure,dl,dd { margin: 0; }
ul,ol { margin-top: 0; }
.container { width: min(calc(100% - (var(--gutter) * 2)),var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - (var(--gutter) * 2)),56rem); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .7rem 1rem; color: #fff; background: var(--ink); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #d95d4f; outline-offset: 4px; }
.eyebrow { color: var(--accent); font: 800 .7rem/1.3 var(--font-en); letter-spacing: .18em; text-transform: uppercase; }
.brand { font: 850 1.35rem/1 var(--font-en); letter-spacing: -.045em; }
.button { display: inline-flex; min-height: 2.8rem; align-items: center; justify-content: center; padding: .72rem 1.25rem; border: 1px solid var(--ink); border-radius: 999px; font-weight: 750; line-height: 1; background: transparent; cursor: pointer; transition: transform 220ms var(--ease),background-color 220ms,color 220ms; }
.button:hover { transform: translateY(-2px); }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { background: var(--accent); border-color: var(--accent); }
.text-link { display: inline-flex; gap: .55rem; align-items: center; font-weight: 760; }
.text-link b { color: var(--accent); transition: transform 220ms var(--ease); }
.text-link:hover b { transform: translateX(.25rem); }

.site-nav { position: sticky; z-index: 40; top: 0; border-bottom: 1px solid var(--line); background: rgba(246,244,239,.96); transition: box-shadow 240ms,border-color 240ms; }
.site-nav.is-scrolled { border-color: transparent; box-shadow: 0 8px 26px rgba(23,23,21,.08); backdrop-filter: blur(14px); }
.nav-row { display: grid; min-height: 4.75rem; grid-template-columns: auto 1fr auto; gap: 2rem; align-items: center; }
.desktop-nav { display: flex; justify-content: center; gap: clamp(1rem,2vw,2rem); }
.desktop-nav a,.language-link { font-size: .8rem; font-weight: 700; }
.desktop-nav a[aria-current="page"] { color: var(--accent); }
.nav-actions { display: flex; gap: 1rem; align-items: center; }
.mobile-nav { display: none; }

.page-intro { padding: clamp(2.8rem,4.7vw,4.4rem) 0 clamp(2.4rem,4vw,3.5rem); border-bottom: 1px solid var(--line); }
.intro-grid { display: grid; grid-template-columns: minmax(0,7fr) minmax(17rem,4fr); gap: clamp(2rem,7vw,7rem); align-items: end; }
.page-intro h1 { margin: .7rem 0 1rem; font-size: clamp(3.2rem,6.2vw,5.6rem); font-weight: 760; line-height: .96; letter-spacing: -.065em; }
.page-intro .lead { max-width: 39rem; color: var(--muted); font-size: clamp(1.05rem,1.5vw,1.25rem); }
.intro-note { padding: 1.2rem 0 0 1.4rem; border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.intro-note strong { display: block; margin-bottom: .55rem; font: 800 .68rem/1 var(--font-en); letter-spacing: .12em; }
.intro-note p { color: var(--muted); font-size: .9rem; }

.service-directory { padding: clamp(2.8rem,4.5vw,4.3rem) 0 var(--section); background: var(--white); }
.section-head { display: grid; grid-template-columns: minmax(0,7fr) minmax(16rem,4fr); gap: clamp(2rem,7vw,7rem); align-items: end; margin-bottom: clamp(1.7rem,3vw,2.6rem); }
.section-head h2 { margin-top: .7rem; font-size: clamp(2.15rem,4vw,3.6rem); line-height: 1.04; letter-spacing: -.05em; }
.section-head > p { color: var(--muted); }
.directory-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--ink); }
.service-entry { position: relative; display: grid; min-height: 27rem; padding: clamp(1.5rem,3vw,2.35rem); grid-template-rows: auto auto 1fr auto; border-bottom: 1px solid var(--line); }
.service-entry:nth-child(odd) { border-right: 1px solid var(--line); }
.service-entry:hover { background: var(--paper); }
.service-top { display: flex; justify-content: space-between; gap: 1rem; color: var(--faint); font: 780 .68rem/1.2 var(--font-en); letter-spacing: .12em; }
.service-price { color: var(--accent); font-size: .78rem; letter-spacing: .03em; }
.service-entry h3 { max-width: 15ch; margin: 2rem 0 1rem; font-size: clamp(1.75rem,3vw,2.7rem); line-height: 1.06; letter-spacing: -.045em; }
.service-position { max-width: 32rem; color: var(--muted); font-size: 1rem; }
.service-facts { display: grid; margin: 1.7rem 0; grid-template-columns: 1fr 1fr; gap: 1rem; }
.service-facts div { padding-top: .8rem; border-top: 1px solid var(--line); }
.service-facts dt { color: var(--faint); font-size: .72rem; font-weight: 700; }
.service-facts dd { margin-top: .4rem; font-size: .88rem; line-height: 1.55; }
.service-entry .text-link { align-self: end; }

.service-hero { padding: clamp(2.7rem,5vw,4.7rem) 0 clamp(2.8rem,5vw,4.5rem); border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 2rem; color: var(--faint); font-size: .78rem; }
.breadcrumb a:hover { color: var(--accent); }
.service-hero-grid { display: grid; grid-template-columns: minmax(0,7fr) minmax(20rem,4fr); gap: clamp(2.5rem,7vw,7rem); align-items: end; }
.service-hero h1 { max-width: 16ch; margin: .9rem 0 1.15rem; font-size: clamp(2.75rem,5vw,4.8rem); line-height: 1.02; letter-spacing: -.055em; }
.service-hero .lead { max-width: 43rem; color: var(--muted); font-size: clamp(1.02rem,1.4vw,1.18rem); }
.price-panel { padding: 1.35rem 0 0 1.4rem; border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.price-panel small { color: var(--faint); font: 750 .65rem/1 var(--font-en); letter-spacing: .14em; }
.price-panel strong { display: block; margin: .6rem 0 1rem; font-size: clamp(1.7rem,2.5vw,2.25rem); line-height: 1.08; letter-spacing: -.045em; white-space: nowrap; }

.detail-section { padding-block: var(--section); border-bottom: 1px solid var(--line); }
.detail-section:nth-child(even) { background: var(--white); }
.detail-grid { display: grid; grid-template-columns: minmax(13rem,3fr) minmax(0,7fr); gap: clamp(2rem,8vw,8rem); }
.detail-label { position: sticky; top: 7rem; align-self: start; }
.detail-label span { display: block; margin-bottom: .8rem; color: var(--accent); font: 800 .68rem/1 var(--font-en); letter-spacing: .14em; }
.detail-label h2 { font-size: clamp(1.65rem,2.7vw,2.35rem); line-height: 1.12; letter-spacing: -.035em; }
.prose { max-width: 45rem; color: var(--muted); }
.prose > * + * { margin-top: 1.15rem; }
.prose h3 { color: var(--ink); font-size: 1.22rem; line-height: 1.3; }
.prose ul,.prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: .45rem; }
.plain-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin-top: 1.6rem; background: var(--line); border: 1px solid var(--line); }
.plain-grid > div { padding: 1.2rem; color: var(--muted); background: var(--white); }
.plain-grid strong { display: block; margin-bottom: .45rem; color: var(--ink); }
.process-list { list-style: none; padding: 0 !important; counter-reset: step; }
.process-list li { display: grid; grid-template-columns: 2.2rem 1fr; gap: .9rem; padding: 1rem 0; border-top: 1px solid var(--line); counter-increment: step; }
.process-list li::before { content: counter(step,decimal-leading-zero); color: var(--accent); font: 800 .72rem/1.8 var(--font-en); }
.callout { padding: 1.4rem; border-left: 3px solid var(--accent); color: var(--ink); background: var(--accent-soft); }
.boundary { color: #eee; background: var(--deep) !important; }
.boundary .detail-label span,.boundary .eyebrow { color: #e69587; }
.boundary .detail-label h2,.boundary .prose h3 { color: #fff; }
.boundary .prose { color: #ccd5d2; }
.boundary .plain-grid { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.2); }
.boundary .plain-grid > div { color: #ccd5d2; background: rgba(255,255,255,.035); }
.boundary .plain-grid strong { color: #fff; }

.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.15rem 0; color: var(--ink); font-weight: 720; cursor: pointer; list-style: none; }
.faq-list summary::after { content: "+"; color: var(--accent); font-size: 1.25rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 0 1.2rem; }

.related { padding-block: clamp(3.2rem,5vw,4.6rem); background: var(--soft); }
.related-grid { display: grid; grid-template-columns: minmax(15rem,3fr) minmax(0,7fr); gap: clamp(2rem,8vw,8rem); }
.related h2 { margin-top: .65rem; font-size: 1.9rem; letter-spacing: -.035em; }
.related-list { border-top: 1px solid var(--ink); }
.related-list a { display: grid; min-height: 4.4rem; grid-template-columns: 2rem 1fr auto; gap: 1rem; align-items: center; border-bottom: 1px solid var(--line); }
.related-list span { color: var(--faint); font: 780 .65rem/1 var(--font-en); }
.related-list b { color: var(--accent); }

.contact-section { padding-block: var(--section); background: var(--white); }
.contact-card { display: grid; grid-template-columns: minmax(0,1fr) minmax(14rem,18rem); gap: clamp(2rem,7vw,6rem); align-items: center; padding: clamp(1.5rem,4vw,3rem); border: 1px solid var(--line); background: var(--paper); }
.contact-card h2 { margin: .6rem 0 1rem; font-size: clamp(2rem,4vw,3.4rem); line-height: 1; letter-spacing: -.05em; }
.contact-card > div > p { color: var(--muted); }
.contact-data { display: grid; max-width: 34rem; margin-top: 1.7rem; border-top: 1px solid var(--ink); }
.contact-row { display: grid; min-height: 4rem; grid-template-columns: 5rem 1fr auto; gap: 1rem; align-items: center; border-bottom: 1px solid var(--line); }
.contact-row span:first-child { color: var(--faint); font-size: .75rem; font-weight: 700; }
.contact-row a,.contact-row strong { overflow-wrap: anywhere; font-size: .95rem; }
.copy-button { padding: .45rem .75rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer; }
.copy-button:hover { border-color: var(--accent); color: var(--accent); }
.copy-status { min-height: 1.4em; margin-top: .5rem; color: var(--accent); font-size: .78rem; }
.qr-frame { padding: 1rem; border: 1px solid var(--line); background: #fff; }
.qr-frame img { width: 100%; aspect-ratio: 625/626; object-fit: contain; }
.qr-frame figcaption { margin-top: .65rem; color: var(--faint); text-align: center; font-size: .7rem; }

.footer { padding: 3.3rem 0 1.5rem; color: #e8e6df; background: var(--ink); }
.footer-layout { display: grid; grid-template-columns: 1fr auto auto; gap: clamp(2rem,6vw,6rem); align-items: start; }
.footer-brand p { max-width: 20rem; margin-top: .75rem; color: #aaa69e; font-size: .85rem; }
.footer-nav,.footer-utility { display: grid; gap: .55rem; font-size: .82rem; }
.footer a:hover { color: #e69587; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.4rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.16); color: #8f8b84; font: 700 .65rem/1 var(--font-en); letter-spacing: .1em; }

@media (max-width: 900px) {
  .desktop-nav,.nav-actions { display: none; }
  .nav-row { min-height: 4.25rem; grid-template-columns: 1fr auto; }
  .mobile-nav { display: block; }
  .menu-toggle { position: relative; z-index: 52; display: grid; width: 2.7rem; height: 2.7rem; place-content: center; gap: .35rem; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); cursor: pointer; }
  .menu-toggle span { width: 1rem; height: 1px; background: var(--ink); transition: transform 220ms,opacity 220ms; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(.2rem) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-.2rem) rotate(-45deg); }
  .mobile-menu { position: fixed; z-index: 50; inset: 0; display: grid; padding: 6rem var(--gutter) 2rem; align-content: start; gap: 0; visibility: hidden; opacity: 0; background: var(--paper); transition: opacity 220ms,visibility 220ms; }
  .mobile-menu.is-open { visibility: visible; opacity: 1; }
  .mobile-menu a { padding: .9rem 0; border-bottom: 1px solid var(--line); font-size: 1.18rem; font-weight: 700; }
  .mobile-menu .button { margin-top: 1.2rem; border-bottom: 0; }
}

@media (max-width: 767px) {
  :root { --gutter: 1.25rem; --section: 3.6rem; }
  .page-intro { padding: 2.7rem 0 2.5rem; }
  .intro-grid,.service-hero-grid,.section-head,.detail-grid,.related-grid,.contact-card { grid-template-columns: 1fr; }
  .page-intro h1 { font-size: clamp(3rem,15vw,4.25rem); }
  .intro-note { padding: 1rem 0 0; border-left: 0; }
  .section-head { gap: 1rem; margin-bottom: 2rem; }
  .directory-grid { grid-template-columns: 1fr; }
  .service-entry { min-height: 0; padding: 1.5rem 0 1.65rem; }
  .service-entry:nth-child(odd) { border-right: 0; }
  .service-entry h3 { margin: 1.25rem 0 .75rem; font-size: 2rem; }
  .service-facts { margin: 1.25rem 0; }
  .service-hero { padding: 1.2rem 0 2.7rem; }
  .breadcrumb { margin-bottom: 1.8rem; }
  .service-hero-grid { gap: 1.8rem; }
  .service-hero h1 { font-size: clamp(2.65rem,12vw,3.75rem); }
  .price-panel { padding: 1rem 0 0; border-left: 0; }
  .price-panel strong { font-size: clamp(1.7rem,8vw,2.25rem); white-space: normal; }
  .detail-grid { gap: 1.5rem; }
  .detail-label { position: static; }
  .plain-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 1.25rem; gap: 1.7rem; }
  .contact-row { grid-template-columns: 4rem 1fr; gap: .6rem; padding: .65rem 0; }
  .contact-row .copy-button { grid-column: 2; justify-self: start; }
  .qr-frame { width: min(100%,17rem); }
  .footer-layout { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

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