:root {
  --ink: #13263e; --muted: #5f6f80; --paper: #f3f0e8; --paper-strong: #fffdf8;
  --line: rgba(19, 38, 62, 0.14); --blue: #173b63; --blue-deep: #102a48;
  --rust: #bd6648; --gold: #b28a52; --shadow: 0 24px 70px rgba(25, 39, 54, 0.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 10% 3%, rgba(178,138,82,.1), transparent 28rem), var(--paper); font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; line-height: 1.7; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; padding: .7rem 1rem; background: #fff; }
.skip-link:focus { top: 1rem; }
.site-header { width: min(1180px, calc(100% - 40px)); margin: 0 auto; min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; color: #fff; background: var(--blue); border-radius: 50%; font-family: Georgia, serif; font-size: 1.35rem; }
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: .08em; }
.brand small { color: var(--muted); font-size: .72rem; letter-spacing: .16em; }
nav { display: flex; align-items: center; gap: 1.6rem; font-size: .9rem; }
nav a { text-decoration: none; }
.console-link { padding: .55rem .9rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
main, footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero { min-height: 680px; padding: 90px 0 70px; display: grid; grid-template-columns: minmax(0,1.45fr) minmax(280px,.55fr); gap: 7vw; align-items: center; }
.eyebrow { margin: 0 0 1rem; color: var(--rust); font-size: .75rem; font-weight: 800; letter-spacing: .19em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.5rem; max-width: 790px; font-family: Georgia, "Songti SC", serif; font-size: clamp(3rem,6.2vw,5.7rem); line-height: 1.08; letter-spacing: -.045em; }
.hero-lead { max-width: 700px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; gap: .8rem; margin: 2rem 0 1.6rem; }
.button { display: inline-flex; min-height: 48px; padding: .75rem 1.2rem; align-items: center; justify-content: center; border-radius: 4px; text-decoration: none; font-weight: 700; }
.button.primary { color: #fff; background: var(--blue); }
.button.secondary { border: 1px solid var(--line); background: rgba(255,255,255,.35); }
.proof-list { display: flex; flex-wrap: wrap; gap: .7rem 1.6rem; padding: 0; margin: 0; list-style: none; color: var(--muted); font-size: .88rem; }
.proof-list li::before { content: "✓"; margin-right: .45rem; color: var(--rust); font-weight: 800; }
.hero-note { padding: 2.2rem; color: #fff; background: var(--blue-deep); box-shadow: var(--shadow); }
.hero-note p { margin: .35rem 0 0; color: rgba(255,255,255,.62); font-size: .82rem; }
.hero-note strong { display: block; font-family: Georgia, "Songti SC", serif; font-size: 1.35rem; font-weight: 500; }
.hero-note hr { margin: 1.5rem 0; border: 0; border-top: 1px solid rgba(255,255,255,.14); }
.note-number { color: #d5b483; font-family: Georgia, serif; }
.section { padding: 105px 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .75fr 1.3fr 1fr; gap: 2rem; align-items: start; margin-bottom: 3.5rem; }
.section-heading h2 { font-family: Georgia, "Songti SC", serif; font-size: clamp(2rem,4vw,3.65rem); line-height: 1.15; letter-spacing: -.035em; }
.section-heading > p:last-child { color: var(--muted); }
.section-heading.compact { grid-template-columns: .75fr 2.3fr; }
.area-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.area-card { position: relative; min-height: 330px; padding: 2.2rem; overflow: hidden; display: flex; flex-direction: column; background: var(--paper-strong); text-decoration: none; transition: transform .2s ease, background .2s ease; }
.area-card::after { content: ""; position: absolute; width: 230px; height: 230px; right: -95px; top: -90px; border-radius: 50%; background: var(--card-accent,#d8cfbf); opacity: .3; }
.area-card:hover { z-index: 1; transform: translateY(-4px); background: #fff; box-shadow: var(--shadow); }
.area-card > span { color: var(--rust); font-family: Georgia, serif; }
.area-card p { margin: 3rem 0 .2rem; color: var(--muted); font-size: .84rem; }
.area-card h3 { margin-bottom: .8rem; font-family: Georgia, "Songti SC", serif; font-size: clamp(2rem,3.6vw,3.6rem); line-height: 1.05; }
.area-card strong { max-width: 440px; font-size: 1rem; font-weight: 500; }
.area-card em { margin-top: auto; padding-top: 2rem; color: var(--blue); font-style: normal; font-weight: 700; }
.card-lize { --card-accent: #c48765; } .card-fengtai { --card-accent: #aebc9e; } .card-chaoyang { --card-accent: #d6b273; } .card-haidian { --card-accent: #86a8bf; } .card-new-home { --card-accent: #86a8bf; } .card-review { --card-accent: #aebc9e; }
.method { background: var(--blue-deep); color: #fff; margin-left: calc((100vw - min(1180px,calc(100vw - 40px))) / -2); margin-right: calc((100vw - min(1180px,calc(100vw - 40px))) / -2); padding-left: calc((100vw - min(1180px,calc(100vw - 40px))) / 2); padding-right: calc((100vw - min(1180px,calc(100vw - 40px))) / 2); }
.method .eyebrow { color: #d5b483; }
.method-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: rgba(255,255,255,.16); }
.method-grid article { min-height: 270px; padding: 2rem; background: var(--blue-deep); }
.method-grid span { color: #d5b483; font-family: Georgia, serif; }
.method-grid h3 { margin: 3.7rem 0 .8rem; font-family: Georgia, "Songti SC", serif; font-size: 1.7rem; }
.method-grid p { color: rgba(255,255,255,.68); }
.faq-list { max-width: 900px; margin-left: auto; }
.faq-list details { padding: 1.4rem 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-size: 1.1rem; font-weight: 700; }
.faq-list p { margin: .9rem 0 0; color: var(--muted); }
.contact { display: grid; grid-template-columns: 1.3fr .7fr; gap: 7vw; align-items: center; }
.contact h2 { max-width: 720px; font-family: Georgia, "Songti SC", serif; font-size: clamp(2.2rem,4.5vw,4rem); line-height: 1.18; }
.contact-copy > p { max-width: 680px; color: var(--muted); }
.wechat-id { width: min(520px,100%); margin: 2rem 0 1rem; padding: 1rem 1.2rem; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--line); background: #fff; }
.wechat-id span { color: var(--muted); } .wechat-id strong { font-size: 1.8rem; letter-spacing: .04em; }
.privacy-note { font-size: .78rem; }
.copy-note { font-size: .9rem; }
.contact-note { min-height: 310px; padding: 2.2rem; display: flex; flex-direction: column; justify-content: center; gap: 1rem; color: #fff; background: var(--blue-deep); box-shadow: var(--shadow); }
.contact-note span { color: #d5b483; font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
.contact-note strong { padding: .8rem 0; border-bottom: 1px solid rgba(255,255,255,.16); font-family: Georgia, "Songti SC", serif; font-size: 1.25rem; font-weight: 500; }
.contact-note a { text-decoration: none; }
.qr-card { width: min(330px,100%); margin: 0 auto; padding: 1.1rem; text-align: center; background: #fff; box-shadow: var(--shadow); }
.qr-card img { width: 100%; height: auto; display: block; }
.qr-card figcaption { padding-top: .8rem; font-weight: 700; } .qr-card small { color: var(--muted); font-weight: 400; }
footer { min-height: 180px; padding: 2.2rem 0; display: grid; grid-template-columns: .7fr 1.7fr auto; gap: 2rem; align-items: start; border-top: 1px solid var(--line); font-size: .78rem; color: var(--muted); }
footer strong, footer span { display: block; } footer strong { color: var(--ink); font-size: 1rem; }
.area-hero { padding: 85px 0 70px; display: grid; grid-template-columns: .6fr 1.4fr; gap: 5vw; }
.area-hero h1 { font-size: clamp(3.8rem,8vw,7rem); }
.area-hero .area-summary { max-width: 720px; color: var(--muted); font-size: 1.1rem; }
.area-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.area-facts article { padding: 2rem; background: var(--paper-strong); }
.area-facts span { color: var(--rust); font-family: Georgia, serif; }
.area-facts h2 { margin: 2rem 0 .7rem; font-family: Georgia, "Songti SC", serif; font-size: 1.5rem; }
.decision-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.decision-list article { padding: 2rem; border: 1px solid var(--line); background: rgba(255,255,255,.38); }
.decision-list h2 { font-family: Georgia, "Songti SC", serif; font-size: 1.6rem; }
.decision-list p { color: var(--muted); }
.back-link { display: inline-block; margin-bottom: 2rem; color: var(--muted); text-decoration: none; }
.breadcrumb { padding: 1.2rem 0 0; display: flex; flex-wrap: wrap; gap: .55rem; color: var(--muted); font-size: .78rem; }
.breadcrumb a { text-decoration: none; }
.compact-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.compact-links a { padding: 1.6rem; display: flex; flex-direction: column; gap: .3rem; background: var(--paper-strong); text-decoration: none; }
.compact-links strong { font-family: Georgia, "Songti SC", serif; font-size: 1.3rem; }
.compact-links span { color: var(--muted); font-size: .88rem; }
.framework-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 1px; background: rgba(255,255,255,.16); }
.framework-grid article { min-height: 260px; padding: 1.6rem; background: var(--blue-deep); }
.framework-grid span { color: #d5b483; font-family: Georgia, serif; }
.framework-grid h3 { margin: 3rem 0 .8rem; font-family: Georgia, "Songti SC", serif; font-size: 1.35rem; }
.framework-grid p { color: rgba(255,255,255,.68); font-size: .9rem; }
.region-list article > span { color: var(--rust); font-family: Georgia, serif; }
@media (max-width: 850px) {
  .site-header { min-height: 76px; } nav a:not(.console-link) { display: none; }
  .hero { min-height: auto; padding: 70px 0; grid-template-columns: 1fr; } .hero-note { display: none; }
  .section { padding: 75px 0; } .section-heading, .section-heading.compact { grid-template-columns: 1fr; gap: .5rem; }
  .area-grid, .service-grid, .method-grid, .contact, .area-hero, .area-facts, .decision-list, .framework-grid, .compact-links { grid-template-columns: 1fr; }
  .area-card { min-height: 280px; } .method { margin-left: -20px; margin-right: -20px; padding-left: 20px; padding-right: 20px; }
  footer { grid-template-columns: 1fr; min-height: 0; }
}
@media (max-width: 520px) {
  .site-header, main, footer { width: min(100% - 28px,1180px); } .brand small { display: none; } h1 { font-size: 2.85rem; }
  .hero-actions { flex-direction: column; } .button { width: 100%; } .area-card { padding: 1.5rem; }
  .wechat-id { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .area-card { transition: none; } }