:root {
  --ink: #1c2523;
  --muted: #6e756f;
  --paper: #fbfaf7;
  --cream: #f3efe5;
  --line: #e6e1d6;
  --gold: #b9873e;
  --gold-dark: #8f642d;
  --forest: #263a35;
  --white: #fff;
  --shadow: 0 22px 60px rgba(30, 42, 38, .1);
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 200; padding: 10px 16px; color: #fff; background: var(--forest); transition: top .2s; }
.skip-link:focus { top: 10px; }

.site-header { position: sticky; top: 0; z-index: 100; height: 76px; background: rgba(255,255,255,.95); border-bottom: 1px solid rgba(30,40,36,.07); backdrop-filter: blur(18px); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; color: #b03b32; }
.brand-mark svg { width: 100%; fill: currentColor; }
.brand-mark svg path + path { fill: none; stroke: currentColor; stroke-width: 3; stroke-linejoin: round; }
.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font-family: STSong, SimSun, serif; font-size: 22px; letter-spacing: .08em; line-height: 1; }
.brand-copy small { color: #8d918c; font-size: 9px; letter-spacing: .22em; }
.site-nav { height: 100%; display: flex; align-items: stretch; gap: 26px; margin-right: auto; }
.site-nav a { position: relative; display: grid; place-items: center; color: #454b47; font-size: 14px; white-space: nowrap; }
.site-nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 0; height: 2px; background: var(--gold); transition: .25s; }
.site-nav a:hover::after, .site-nav a.is-active::after { left: 0; right: 0; }
.site-nav a.is-active { color: var(--gold-dark); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.service-line { display: grid; text-align: right; }
.service-line small { color: #8b8f8b; font-size: 10px; }
.service-line strong { font-size: 13px; }
.button { min-height: 46px; padding: 0 23px; border: 1px solid transparent; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-weight: 600; font-size: 14px; letter-spacing: .04em; cursor: pointer; transition: transform .2s, background .2s, color .2s, border .2s; }
.button:hover { transform: translateY(-2px); }
.button-sm { min-height: 38px; padding-inline: 18px; font-size: 13px; }
.button-gold { color: #fff; background: var(--gold); box-shadow: 0 12px 28px rgba(160,111,48,.22); }
.button-gold:hover { background: var(--gold-dark); }
.button-ghost { color: var(--ink); background: rgba(255,255,255,.58); border-color: rgba(39,45,42,.22); backdrop-filter: blur(8px); }
.button-dark { color: #fff; background: var(--forest); }
.button-light { color: var(--forest); background: #f8f3e8; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--ink); transition: .25s; }

.hero { position: relative; min-height: 620px; display: grid; align-items: center; overflow: hidden; background: #dcd5c8 url("/skin/xiangshubang/images/hero.jpg") center / cover no-repeat; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(250,247,239,.96) 0%, rgba(250,247,239,.82) 34%, rgba(250,247,239,.16) 64%, rgba(18,24,22,.08) 100%); }
.hero-inner { position: relative; z-index: 2; padding: 88px 0 120px; }
.hero-copy { width: min(570px, 54%); }
.eyebrow { margin: 0 0 16px; color: var(--gold-dark); font-size: 11px; font-weight: 700; letter-spacing: .26em; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: STSong, SimSun, serif; font-size: clamp(48px, 5vw, 74px); line-height: 1.12; font-weight: 500; letter-spacing: -.04em; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero-lead { max-width: 520px; margin: 25px 0 30px; color: #4f5854; font-size: 16px; line-height: 1.9; }
.hero-cta { display: flex; gap: 12px; }
.hero-proof { margin-top: 54px; display: flex; align-items: center; gap: 25px; }
.hero-proof span { display: grid; gap: 4px; }
.hero-proof strong { font: 600 22px/1 Georgia, serif; }
.hero-proof small { color: #727874; font-size: 11px; }
.hero-proof i { width: 1px; height: 30px; background: rgba(39,45,42,.17); }

.promise-bar { position: relative; z-index: 3; margin-top: -47px; }
.promise-grid { min-height: 94px; padding: 0 14px; display: grid; grid-template-columns: repeat(5, 1fr); background: #fff; border: 1px solid rgba(30,40,36,.08); box-shadow: var(--shadow); }
.promise-grid article { display: flex; align-items: center; justify-content: center; gap: 13px; position: relative; }
.promise-grid article + article::before { content: ""; position: absolute; left: 0; width: 1px; height: 40px; background: var(--line); }
.promise-grid div { display: grid; gap: 3px; }
.promise-grid strong { font-size: 14px; }
.promise-grid small { color: #8c918c; font-size: 10px; }
.line-icon { width: 32px; height: 32px; display: grid; place-items: center; color: var(--gold); border: 1px solid #d7b981; border-radius: 50%; font: 600 15px Georgia, serif; }

.section { padding: 110px 0; }
.section-tint { background: #f1ede4; }
.section-heading h2, .section-top h2, .guide-copy h2, .service-copy h2, .consult-copy h2 { margin: 0; font-family: STSong, SimSun, serif; font-size: clamp(34px, 4vw, 50px); font-weight: 500; line-height: 1.27; }
.intro { padding-top: 130px; }
.intro-grid { display: grid; grid-template-columns: 1.05fr 1.3fr .75fr; gap: 80px; align-items: end; }
.intro-copy p { margin: 0 0 25px; color: var(--muted); line-height: 2; font-size: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--gold-dark); font-size: 13px; font-weight: 600; border-bottom: 1px solid #c9ac7b; padding-bottom: 6px; }
.text-link span { transition: transform .2s; }
.text-link:hover span { transform: translateX(5px); }
.intro-stat { padding: 32px; display: grid; background: var(--forest); color: #fff; }
.intro-stat strong { color: #d5ad6e; font: 500 42px/1 STSong, SimSun, serif; }
.intro-stat span { margin: 12px 0 20px; font-size: 13px; letter-spacing: .08em; }
.intro-stat small { color: rgba(255,255,255,.55); line-height: 1.8; }

.section-top { margin-bottom: 42px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-top .eyebrow { margin-bottom: 9px; }
.section-note { max-width: 430px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.case-layout { display: grid; grid-template-columns: 1.45fr 1fr; gap: 28px; }
.case-feature { background: #fff; box-shadow: 0 16px 45px rgba(53,50,41,.08); }
.case-photo { min-height: 445px; position: relative; overflow: hidden; background: url("/skin/xiangshubang/images/hero.jpg") 62% center / cover no-repeat; }
.case-photo::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(17,24,21,.78)); }
.case-badge { position: absolute; z-index: 2; top: 22px; left: 22px; padding: 7px 12px; color: #fff; background: var(--gold); font-size: 11px; letter-spacing: .12em; }
.case-caption { position: absolute; z-index: 2; left: 28px; right: 28px; bottom: 27px; color: #fff; }
.case-caption p { margin: 0 0 8px; color: #e4c791; font-size: 11px; letter-spacing: .1em; }
.case-caption h3 { margin: 0 0 9px; font: 500 25px/1.2 STSong, SimSun, serif; }
.case-caption span { color: rgba(255,255,255,.74); font-size: 12px; }
.case-meta { min-height: 88px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; }
.case-meta span { padding: 0 26px; display: grid; gap: 5px; }
.case-meta span + span { border-left: 1px solid var(--line); }
.case-meta small { color: #949893; font-size: 10px; }
.case-meta strong { font-size: 13px; }
.case-stack { display: grid; gap: 14px; }
.mini-case { min-height: 157px; padding: 15px; position: relative; display: grid; grid-template-columns: 165px 1fr; gap: 20px; align-items: center; overflow: hidden; background: #fff; border: 1px solid rgba(65,68,61,.08); }
.mini-case div:nth-child(2) { min-width: 0; }
.mini-case p { margin: 0 0 7px; color: var(--gold-dark); font-size: 10px; }
.mini-case h3 { margin: 0 0 10px; font: 500 18px/1.3 STSong, SimSun, serif; }
.mini-case span { color: #939792; font-size: 11px; }
.mini-case b { position: absolute; right: 13px; bottom: 5px; color: #eee9df; font: 500 48px/1 Georgia, serif; }
.mini-photo { height: 126px; background-image: linear-gradient(rgba(20,30,26,.05),rgba(20,30,26,.12)), url("/skin/xiangshubang/images/hero.jpg"); background-size: auto 152px; }
.crop-a { background-position: 72% 55%; }
.crop-b { background-position: 58% 48%; filter: saturate(.72) contrast(.92); }
.crop-c { background-position: 88% 60%; filter: sepia(.12) brightness(.9); }

.plan-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.plan-card { overflow: hidden; background: #fff; border: 1px solid var(--line); transition: transform .25s, box-shadow .25s; }
.plan-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.plan-visual { height: 230px; position: relative; overflow: hidden; background-color: #ddd5c8; background-image: linear-gradient(rgba(242,237,227,.1), rgba(32,39,35,.18)), url("/skin/xiangshubang/images/hero.jpg"); background-size: auto 290px; }
.plan-visual::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, transparent 60%, rgba(255,255,255,.35)); }
.plan-visual span { position: absolute; z-index: 2; top: 14px; left: 14px; width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: rgba(34,48,43,.8); font: 12px Georgia, serif; }
.plan-visual i { position: absolute; right: 15px; bottom: 13px; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; }
.plan-visual i::after { content: "→"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-style: normal; }
.plan-one { background-position: 64% center; }
.plan-two { background-position: 76% center; filter: saturate(.8); }
.plan-three { background-position: 54% center; filter: contrast(.9) brightness(1.05); }
.plan-four { background-position: 89% center; filter: sepia(.12); }
.plan-body { padding: 23px 21px 25px; }
.plan-body p { margin: 0 0 8px; color: var(--gold-dark); font-size: 10px; }
.plan-body h3 { min-height: 48px; margin: 0 0 18px; font: 500 18px/1.35 STSong, SimSun, serif; }
.plan-body div { display: flex; gap: 6px; flex-wrap: wrap; }
.plan-body div span { padding: 5px 8px; color: #777e79; background: #f3f1eb; font-size: 9px; }

.build-guide { overflow: hidden; color: #fff; background: var(--forest); }
.guide-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 110px; align-items: center; }
.guide-copy .eyebrow { color: #d8b477; }
.guide-copy p:not(.eyebrow) { max-width: 500px; margin: 26px 0 34px; color: rgba(255,255,255,.62); font-size: 14px; line-height: 2; }
.guide-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.13); }
.guide-steps li { padding: 24px 0; display: grid; grid-template-columns: 54px 1fr; gap: 23px; border-bottom: 1px solid rgba(255,255,255,.13); }
.guide-steps b { color: #cda867; font: 400 15px Georgia, serif; }
.guide-steps div { display: grid; gap: 7px; }
.guide-steps strong { font: 500 18px STSong, SimSun, serif; }
.guide-steps span { color: rgba(255,255,255,.5); font-size: 11px; }

.service-card { min-height: 390px; display: grid; grid-template-columns: 1fr 1fr; background: #fff; box-shadow: var(--shadow); }
.service-copy { padding: 66px 62px; }
.service-copy p:not(.eyebrow) { margin: 22px 0; max-width: 510px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.service-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.service-tags span { padding: 7px 11px; color: #68706b; background: var(--cream); font-size: 10px; }
.service-map { position: relative; overflow: hidden; display: grid; place-items: center; background: #e8e2d5; }
.service-map::before, .service-map::after { content: ""; position: absolute; inset: 0; opacity: .36; background-image: linear-gradient(32deg, transparent 48%, #b8ad99 49%, #b8ad99 51%, transparent 52%), linear-gradient(-27deg, transparent 48%, #c7bda9 49%, #c7bda9 51%, transparent 52%); background-size: 120px 95px, 150px 110px; }
.map-rings { position: relative; z-index: 2; width: 160px; height: 160px; display: grid; place-items: center; }
.map-rings i { position: absolute; inset: 0; border: 1px solid rgba(142,98,45,.3); border-radius: 50%; }
.map-rings i:nth-child(2) { inset: 22px; }
.map-rings i:nth-child(3) { inset: 45px; background: rgba(185,135,62,.12); }
.map-rings b { z-index: 2; width: 62px; height: 62px; display: grid; place-items: center; color: #fff; background: var(--gold); border-radius: 50% 50% 50% 4px; transform: rotate(-45deg); font-size: 11px; }
.map-rings b::first-line { transform: rotate(45deg); }
.map-note { position: absolute; z-index: 3; left: 25px; right: 25px; bottom: 24px; padding: 17px 20px; display: grid; gap: 4px; background: rgba(255,255,255,.9); backdrop-filter: blur(8px); }
.map-note span, .map-note small { color: #8d918b; font-size: 9px; }
.map-note strong { font-size: 13px; }

.consult { padding: 86px 0; color: #fff; background: #af7e37; }
.consult-inner { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: center; }
.consult-copy .eyebrow { color: #f1dfc0; }
.consult-copy p:not(.eyebrow) { margin: 18px 0 0; color: rgba(255,255,255,.7); font-size: 13px; line-height: 1.8; }
.consult-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 14px; align-items: end; }
.consult-form label { display: grid; gap: 8px; }
.consult-form label span { color: rgba(255,255,255,.72); font-size: 10px; }
.consult-form input { width: 100%; height: 48px; padding: 0 15px; color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.35); outline: none; }
.consult-form input::placeholder { color: rgba(255,255,255,.55); }
.consult-form input:focus { border-color: #fff; background: rgba(255,255,255,.16); }
.consult-form .wide { grid-column: 1 / 3; }
.consult-form .button { grid-column: 3; grid-row: 1 / 3; min-height: 48px; }
.form-status { grid-column: 1 / -1; min-height: 18px; margin: 2px 0 0; color: #fff; font-size: 11px; }

.site-footer { padding-top: 74px; color: rgba(255,255,255,.72); background: #17201e; }
.footer-main { padding-bottom: 55px; display: grid; grid-template-columns: 1.7fr .7fr .7fr 1fr; gap: 70px; }
.brand-footer { color: #fff; }
.footer-brand > p { max-width: 300px; margin: 22px 0 0; color: rgba(255,255,255,.4); font-size: 12px; line-height: 1.9; }
.footer-nav, .footer-contact { display: grid; align-content: start; gap: 13px; font-size: 12px; }
.footer-nav strong, .footer-contact strong { margin-bottom: 8px; color: #fff; font-size: 13px; }
.footer-nav a { color: rgba(255,255,255,.47); }
.footer-nav a:hover { color: #d3ae6f; }
.footer-contact p { margin: 0; color: #d3ae6f; }
.footer-contact small { color: rgba(255,255,255,.36); line-height: 1.8; }
.footer-bottom { padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.3); font-size: 10px; }
.mobile-dock { display: none; }
.floating-consult { position: fixed; z-index: 80; right: 22px; bottom: 28px; width: 52px; min-height: 118px; padding: 12px 9px; display: grid; place-items: center; gap: 7px; color: #fff; background: var(--gold); box-shadow: 0 13px 34px rgba(67,48,26,.25); }
.floating-consult span { font-size: 18px; }
.floating-consult b { font-size: 11px; line-height: 1.4; writing-mode: vertical-rl; letter-spacing: .14em; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 1080px) {
  .header-inner { gap: 20px; }
  .site-nav { gap: 14px; }
  .service-line { display: none; }
  .intro-grid { gap: 38px; }
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-layout { gap: 60px; }
  .consult-inner { gap: 45px; }
}

@media (max-width: 860px) {
  .shell { width: min(100% - 34px, 720px); }
  .site-header { height: 66px; }
  .header-actions { margin-left: auto; }
  .header-actions .button { display: none; }
  .menu-toggle { display: block; order: 4; }
  .site-nav { position: fixed; inset: 66px 0 0; height: auto; padding: 34px 24px 110px; display: grid; align-content: start; gap: 0; background: rgba(250,248,243,.98); transform: translateX(100%); transition: transform .3s; }
  .site-nav.is-open { transform: none; }
  .site-nav a { min-height: 56px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); font: 500 18px STSong, SimSun, serif; }
  .site-nav a::after { display: none; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 670px; align-items: end; background-position: 66% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(249,246,239,.98) 0%, rgba(249,246,239,.88) 42%, rgba(249,246,239,.2) 76%, transparent 100%); }
  .hero-inner { padding: 260px 0 95px; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(43px, 11vw, 60px); }
  .hero-lead { font-size: 14px; }
  .promise-grid { grid-template-columns: repeat(2, 1fr); padding: 10px; }
  .promise-grid article { min-height: 74px; justify-content: flex-start; padding-left: 18px; }
  .promise-grid article + article::before { display: none; }
  .promise-grid article:last-child { grid-column: 1 / -1; }
  .section { padding: 78px 0; }
  .intro { padding-top: 100px; }
  .intro-grid { grid-template-columns: 1fr 1fr; }
  .intro-stat { grid-column: 1 / -1; }
  .case-layout { grid-template-columns: 1fr; }
  .case-stack { grid-template-columns: 1fr 1fr; }
  .mini-case:last-child { grid-column: 1 / -1; }
  .mini-case { grid-template-columns: 120px 1fr; }
  .guide-layout, .service-card, .consult-inner { grid-template-columns: 1fr; }
  .guide-layout { gap: 50px; }
  .service-map { min-height: 360px; }
  .consult-inner { gap: 40px; }
  .footer-main { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .shell { width: calc(100% - 28px); }
  .brand-mark { width: 34px; height: 34px; }
  .brand-copy strong { font-size: 20px; }
  .hero { min-height: 650px; background-position: 63% 30%; background-size: auto 650px; }
  .hero-inner { padding: 285px 0 75px; }
  .hero h1 { font-size: 42px; line-height: 1.18; }
  .hero-lead { margin: 19px 0 23px; line-height: 1.75; }
  .hero-cta { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-cta .button { padding-inline: 12px; font-size: 12px; }
  .hero-proof { margin-top: 34px; gap: 14px; justify-content: space-between; }
  .hero-proof strong { font-size: 18px; }
  .hero-proof small { font-size: 9px; }
  .promise-bar { margin-top: -32px; }
  .promise-grid { min-height: 0; grid-template-columns: 1fr 1fr; }
  .promise-grid article { padding-left: 6px; gap: 9px; }
  .line-icon { width: 28px; height: 28px; }
  .promise-grid small { font-size: 9px; }
  .section { padding: 66px 0; }
  .section-heading h2, .section-top h2, .guide-copy h2, .service-copy h2, .consult-copy h2 { font-size: 34px; }
  .intro-grid { grid-template-columns: 1fr; gap: 26px; }
  .intro-stat { grid-column: auto; }
  .section-top { align-items: flex-start; }
  .section-note { display: none; }
  .case-photo { min-height: 390px; }
  .case-meta span { padding: 0 12px; }
  .case-meta strong { font-size: 11px; }
  .case-stack { grid-template-columns: 1fr; }
  .mini-case, .mini-case:last-child { grid-column: auto; grid-template-columns: 112px 1fr; gap: 14px; }
  .mini-photo { height: 110px; }
  .plan-grid { grid-template-columns: 1fr; }
  .plan-visual { height: 250px; background-size: auto 320px; }
  .guide-layout { gap: 42px; }
  .guide-steps li { grid-template-columns: 40px 1fr; }
  .service-copy { padding: 42px 28px; }
  .service-map { min-height: 320px; }
  .consult { padding: 62px 0; }
  .consult-form { grid-template-columns: 1fr; }
  .consult-form .wide, .consult-form .button { grid-column: auto; grid-row: auto; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 30px; }
  .footer-brand, .footer-contact { grid-column: 1 / -1; }
  .footer-bottom { display: grid; }
  .mobile-dock { position: fixed; z-index: 110; left: 0; right: 0; bottom: 0; height: calc(64px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(5, 1fr); background: rgba(255,255,255,.97); border-top: 1px solid var(--line); box-shadow: 0 -10px 30px rgba(31,37,34,.08); }
  .mobile-dock a { display: grid; place-items: center; align-content: center; gap: 3px; color: #7b817d; font-size: 9px; }
  .mobile-dock span { font-size: 18px; line-height: 1; }
  .mobile-dock a.is-active { color: var(--gold-dark); }
  .floating-consult { display: none; }
}
