:root{--ink:#151515;--muted:#696966;--paper:#f5f4f0;--white:#fff;--line:#d9d7d0;--gold:#b7a27b;--serif:"Songti SC","Noto Serif SC","SimSun",serif;--sans:"PingFang SC","Microsoft YaHei",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
a:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.container{width:min(1180px,calc(100% - 72px));margin-inline:auto}
.site-header{height:84px;background:var(--paper);border-bottom:1px solid rgba(0,0,0,.08);position:relative;z-index:20}
.site-header--home{position:absolute;top:0;left:0;right:0;background:transparent;color:#fff;border-color:rgba(255,255,255,.2)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand img{width:116px;filter:brightness(0)}
.site-header--home .brand img{filter:brightness(0) invert(1)}
.desktop-nav{display:flex;gap:34px;align-items:center;font-size:13px;letter-spacing:.08em}
.desktop-nav a{transition:opacity .2s}
.desktop-nav a:hover{opacity:.58}
.header-contact{border:1px solid currentColor;padding:9px 20px;font-size:12px;letter-spacing:.1em}
.mobile-nav{display:none}
.eyebrow,.section-no{font-size:11px;letter-spacing:.25em;text-transform:uppercase}
.eyebrow{display:flex;align-items:center;gap:16px}
.eyebrow::before{content:"";display:block;width:36px;height:1px;background:currentColor;opacity:.5}
.hero{position:relative;min-height:min(850px,96svh);background:#0c1117;color:#fff;display:flex;align-items:flex-end;overflow:hidden}
.hero picture,.hero picture img,.hero-shade{position:absolute;inset:0;width:100%;height:100%}
.hero picture img{object-fit:cover;object-position:center}
.hero-shade{background:linear-gradient(90deg,rgba(0,0,0,.64),rgba(0,0,0,.1) 72%),linear-gradient(0deg,rgba(0,0,0,.63),transparent 48%)}
.hero-content{position:relative;z-index:1;padding-top:185px;padding-bottom:80px}
.hero h1{font:400 clamp(45px,5.6vw,88px)/1.22 var(--serif);letter-spacing:.04em;max-width:840px;margin:28px 0}
.hero .lead{max-width:620px;font-size:16px;color:rgba(255,255,255,.88);line-height:2}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 24px;border:1px solid currentColor;font-size:12px;letter-spacing:.12em;transition:background .2s,color .2s}
.btn--light{background:#fff;color:#111;border-color:#fff}
.btn--light:hover{background:transparent;color:#fff}
.btn--outline:hover{background:#fff;color:#111}
.btn--dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn--dark:hover{background:transparent;color:var(--ink)}
.section{padding:112px 0}
.section--white{background:#fff}
.section--dark{background:#111;color:#fff}
.section-heading{display:grid;grid-template-columns:210px 1fr;gap:30px;margin-bottom:50px}
.section-no{color:#77756f;padding-top:10px}
.section--dark .section-no{color:#9d9b95}
h2{font:400 clamp(32px,3.5vw,54px)/1.35 var(--serif);letter-spacing:.03em;margin:0}
h3{font:400 clamp(22px,2vw,30px)/1.45 var(--serif);margin:0}
p{margin:0 0 18px}
.prose{max-width:760px;color:#4f4e49}
.prose p:last-child{margin-bottom:0}
.intro-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:10%;align-items:start}
.stat-list{border-top:1px solid var(--line)}
.stat{display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:19px 0}
.stat strong{font:400 27px var(--serif)}
.stat span{font-size:12px;color:var(--muted)}
.text-link{font-size:12px;letter-spacing:.12em;border-bottom:1px solid var(--ink);padding-bottom:5px;display:inline-flex;gap:25px;margin-top:32px}
.service-list{border-top:1px solid var(--line)}
.service-row{display:grid;grid-template-columns:100px 1fr 36px;gap:25px;align-items:center;border-bottom:1px solid var(--line);padding:24px 0;transition:padding .2s,background .2s}
.service-row:hover{padding-left:12px;background:#f5f4f0}
.service-row .num{font:400 21px var(--serif);color:#999}
.service-row p{font-size:13px;color:var(--muted);margin:7px 0 0}
.service-row .arrow{font-size:26px;font-weight:200}
.expertise-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.expertise-grid .prose{color:#c7c5c0}
.expertise-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.expertise-item{border-top:1px solid #494949;padding:20px 0 10px}
.expertise-item small{display:block;color:var(--gold);margin-bottom:20px}
.expertise-item h3{font-size:23px}
.expertise-item p{font-size:13px;color:#aaa;margin-top:12px}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{background:#f1f0ec}
.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case-body{padding:26px}
.case-body small{color:#777;letter-spacing:.08em}
.case-body h3{font-size:23px;margin:12px 0}
.case-body p{font-size:13px;color:#555}
.cta-section{padding:95px 0;background:#1a1a1a;color:#fff}
.cta-layout{display:flex;justify-content:space-between;align-items:end;gap:40px}
.cta-layout p{color:#bbb;max-width:570px;margin-top:20px}
.site-footer{background:#101010;color:#e7e5e0;padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:60px}
.footer-brand{width:125px;filter:brightness(0) invert(1);margin-bottom:28px}
.footer-grid p,.footer-grid a{font-size:13px;color:#aaa}
.footer-grid h4{font-size:12px;font-weight:400;letter-spacing:.2em;margin:0 0 20px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-bottom{border-top:1px solid #343434;padding-top:25px;margin-top:60px;color:#777;font-size:11px;display:flex;justify-content:space-between;gap:20px}
.page-hero{padding:112px 0 94px;border-bottom:1px solid var(--line)}
.page-hero h1{font:400 clamp(46px,5vw,76px)/1.2 var(--serif);margin:24px 0}
.page-hero p{font-size:16px;max-width:720px;color:#62615c;line-height:2}
.split{display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:center}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.principle{border-top:1px solid var(--line);padding-top:25px}
.principle p{font-size:13px;color:#666;margin-top:15px}
.detail-list{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px 30px}
.detail-list li{padding:8px 0 8px 20px;position:relative;font-size:14px;color:#565650}
.detail-list li::before{content:"—";position:absolute;left:0}
.service-detail{display:grid;grid-template-columns:100px minmax(0,1fr);gap:30px;border-top:1px solid var(--line);padding:52px 0}
.service-detail:last-child{border-bottom:1px solid var(--line)}
.service-detail .num{font:400 26px var(--serif);color:#aaa}
.service-detail .desc{max-width:740px;color:#555;margin-top:18px}
.profile{display:grid;grid-template-columns:minmax(280px,.7fr) 1fr;gap:9%;align-items:start}
.profile img{width:100%;aspect-ratio:4/5;object-fit:cover;background:#dedbd4}
.profile-tag{font-size:11px;letter-spacing:.2em;color:#777}
.profile h2{margin:15px 0 25px}
.profile p{color:#555}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chip{border:1px solid var(--line);padding:8px 13px;font-size:12px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.contact-line{border-top:1px solid var(--line);padding:22px 0}
.contact-line:last-child{border-bottom:1px solid var(--line)}
.contact-line small{display:block;color:#888;letter-spacing:.16em;margin-bottom:8px}
.contact-line a,.contact-line span{font:400 clamp(20px,2vw,29px)/1.5 var(--serif)}
.contact-note{background:#eceae4;padding:32px;margin-top:30px;font-size:13px;color:#555}
@media(max-width:900px){.desktop-nav,.header-contact{display:none}.mobile-nav{display:block;position:relative}.mobile-nav summary{list-style:none;cursor:pointer;font-size:13px;letter-spacing:.15em;border:1px solid currentColor;padding:6px 12px}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav nav{position:absolute;right:0;top:47px;background:var(--paper);color:var(--ink);min-width:190px;padding:18px;box-shadow:0 12px 35px #0002;display:flex;flex-direction:column;gap:12px}.section-heading{grid-template-columns:1fr;gap:10px}.intro-layout,.expertise-grid,.split,.profile,.contact-grid{grid-template-columns:1fr;gap:40px}.case-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:min(100% - 40px,1180px)}.site-header{height:70px}.brand img{width:103px}.hero{min-height:660px}.hero-content{padding-top:140px;padding-bottom:55px}.hero h1{font-size:44px}.hero .lead{font-size:14px}.section{padding:76px 0}.section-heading{margin-bottom:30px}.service-row{grid-template-columns:38px 1fr 25px;gap:12px}.service-row h3{font-size:22px}.expertise-list,.case-grid,.principles,.detail-list{grid-template-columns:1fr}.cta-layout{display:block}.cta-layout .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr;gap:35px}.footer-bottom{display:block}.page-hero{padding:78px 0 65px}.service-detail{grid-template-columns:1fr;gap:10px;padding:38px 0}.contact-grid{gap:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important;animation-duration:.01ms!important}}