/* =========================================================
   高端会所 · 墨绿 × 香槟金 × 图片驱动 (PC / 移动端自适应)
   ========================================================= */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --deep:#13302a;
  --deep-2:#0d231e;
  --green:#1d473b;
  --gold:#bb9557;
  --gold-2:#cda96d;
  --cream:#f5f1e9;
  --paper:#faf8f3;
  --ink:#27251f;
  --muted:#7c7668;
  --line:#e6dfd0;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.3;color:var(--deep)}
.muted{color:var(--muted)}
.eyebrow{font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);font-weight:500;font-family:var(--sans)}
.gold-rule{width:54px;height:2px;background:var(--gold);margin:0 auto}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 36px;font-size:15px;letter-spacing:.14em;font-weight:500;border:1px solid transparent;cursor:pointer;transition:all .35s var(--ease);font-family:var(--sans);white-space:nowrap}
.btn-solid{background:var(--gold);color:#fff}
.btn-solid:hover{background:var(--deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(19,48,42,.28)}
.btn-line{border-color:rgba(255,255,255,.55);color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-dark{background:var(--deep);color:#fff}
.btn-dark:hover{background:var(--gold);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:13px;letter-spacing:.1em}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,248,243,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s}
.site-header.scrolled{box-shadow:0 6px 30px rgba(19,48,42,.1);background:rgba(250,248,243,.97)}
.header-inner{display:flex;align-items:center;gap:26px;height:78px}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand-zh{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--deep);letter-spacing:.05em}
.brand-en{font-size:10px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase;margin-top:2px}
.main-nav{display:flex;gap:2px;margin-left:auto}
.main-nav a{position:relative;color:#4b463b;padding:10px 15px;font-size:15px;letter-spacing:.08em;transition:color .25s}
.main-nav a::after{content:"";position:absolute;left:15px;right:15px;bottom:3px;height:1.5px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.main-nav a:hover,.main-nav a.active{color:var(--deep)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.btn-nav{border:1px solid var(--gold);color:var(--deep);padding:11px 26px;font-size:14px}
.btn-nav:hover{background:var(--gold);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{width:26px;height:1.6px;background:var(--deep);transition:.3s}
.nav-backdrop{display:none}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;flex-direction:column;justify-content:center;color:var(--cream);background:var(--deep-2);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);animation:heroZoom 14s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(13,35,30,.92) 0%,rgba(19,48,42,.78) 45%,rgba(19,48,42,.5) 100%)}
.hero-veil::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(187,149,87,.6),transparent)}
.hero-inner{position:relative;z-index:2;padding:120px 0 90px;text-align:center;max-width:900px;margin:0 auto}
.hero-eyebrow{display:inline-flex;align-items:center;gap:16px;color:var(--gold-2)}
.hero-eyebrow::before,.hero-eyebrow::after{content:"";width:46px;height:1px;background:rgba(187,149,87,.65)}
.hero-title{font-size:clamp(34px,5.8vw,62px);color:#fff;margin:28px 0 4px;letter-spacing:.05em;font-weight:600}
.hero-sub{font-family:var(--serif);font-size:clamp(15px,2.1vw,21px);color:#d3ccba;letter-spacing:.2em;margin-top:16px}
.hero-rule{width:66px;height:2px;background:var(--gold);margin:34px auto}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;color:#bdb6a4;font-size:14px;letter-spacing:.16em}
.hero-tags span{padding:0 20px;border-right:1px solid rgba(255,255,255,.18)}
.hero-tags span:last-child{border-right:0}
.hero-cta{display:flex;gap:18px;justify-content:center;margin-top:46px;flex-wrap:wrap}
.hero-stats{position:relative;z-index:2;display:flex;justify-content:center;border-top:1px solid rgba(255,255,255,.12);backdrop-filter:blur(4px)}
.hero-stats .stat{padding:30px 0;text-align:center;flex:1;max-width:200px;border-right:1px solid rgba(255,255,255,.12)}
.hero-stats .stat:last-child{border-right:0}
.hero-stats .stat strong{display:block;font-family:var(--serif);font-size:32px;color:var(--gold-2);font-weight:600}
.hero-stats .stat span{font-size:12px;letter-spacing:.22em;color:#9a937f;margin-top:4px;display:block}

/* ---------- section frame ---------- */
.section{padding:100px 0}
.section-alt{background:var(--cream)}
.section-head{text-align:center;max-width:640px;margin:0 auto 64px}
.section-head .eyebrow{display:block;margin-bottom:16px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:.06em}
.section-head .gold-rule{margin-top:24px}
.section-head p{color:var(--muted);margin-top:18px;font-size:15px;letter-spacing:.04em}

/* ---------- about feature ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-media{position:relative}
.about-media::before{content:"";position:absolute;inset:22px -22px -22px 22px;border:1px solid var(--gold);z-index:0}
.about-media img{position:relative;z-index:1;width:100%;height:520px;object-fit:cover;box-shadow:0 24px 60px rgba(19,48,42,.22)}
.about-body .eyebrow{display:block;margin-bottom:16px}
.about-body h2{font-size:clamp(26px,3vw,36px);letter-spacing:.05em;margin-bottom:8px}
.about-body .gold-rule{margin:22px 0}
.about-body p{color:#4a463b;margin:16px 0;letter-spacing:.03em}
.about-points{margin:26px 0 34px;list-style:none}
.about-points li{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;letter-spacing:.05em}
.about-points li::before{content:"";width:8px;height:8px;background:var(--gold);flex:0 0 auto}

/* ---------- cities (image cards) ---------- */
.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.city-card{position:relative;display:block;overflow:hidden;height:300px;background:var(--deep)}
.city-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);opacity:.92}
.city-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(19,48,42,0) 30%,rgba(13,35,30,.9) 100%)}
.city-card .cc-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px;color:#fff}
.city-card .cn{font-size:11px;letter-spacing:.24em;color:var(--gold-2)}
.city-card h3{font-size:26px;color:#fff;margin:8px 0 2px;letter-spacing:.06em}
.city-card p{color:#b9c2ba;font-size:13px;letter-spacing:.04em;max-height:0;opacity:0;overflow:hidden;transition:.4s var(--ease)}
.city-card .go{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.2em;color:var(--gold-2);margin-top:10px;opacity:0;transform:translateY(6px);transition:.4s var(--ease)}
.city-card:hover img{transform:scale(1.08)}
.city-card:hover p{max-height:60px;opacity:1;margin-top:8px}
.city-card:hover .go{opacity:1;transform:none}

/* ---------- services (image cards) ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.svc-card:hover{transform:translateY(-8px);box-shadow:0 24px 50px rgba(19,48,42,.16)}
.svc-media{height:220px;overflow:hidden;position:relative}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.svc-card:hover .svc-media img{transform:scale(1.1)}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(19,48,42,.28))}
.svc-no{position:absolute;top:16px;left:18px;z-index:2;font-family:var(--serif);font-size:15px;color:#fff;background:rgba(19,48,42,.55);backdrop-filter:blur(4px);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.25)}
.svc-body{padding:26px 24px 28px}
.svc-body h3{font-size:21px;letter-spacing:.05em;display:inline-block}
.svc-body .sub{display:block;color:var(--gold);font-size:13px;letter-spacing:.14em;margin:8px 0 12px}
.svc-body p{color:var(--muted);font-size:14px;letter-spacing:.03em}

/* ---------- advantages ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}
.adv-card{display:flex;align-items:flex-start;gap:16px;background:var(--paper);padding:32px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s}
.adv-card:hover{background:#fff}
.adv-mark{flex:0 0 auto;width:9px;height:9px;background:var(--gold);margin-top:9px}
.adv-card p{font-size:15px;letter-spacing:.05em;color:#3a362d;font-weight:500}

/* ---------- districts ---------- */
.district-tags{display:flex;flex-wrap:wrap;gap:1px;background:var(--line);border:1px solid var(--line);max-width:860px;margin:0 auto}
.district-tag{background:var(--paper);padding:15px 22px;font-size:14px;letter-spacing:.1em;color:#4a463c;transition:.25s;flex:1 1 auto;text-align:center}
.district-tag:hover{background:var(--deep);color:#fff}

/* ---------- articles (image cards) ---------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.article-card{display:block;background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.article-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(19,48,42,.14)}
.article-media{height:190px;overflow:hidden}
.article-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.article-card:hover .article-media img{transform:scale(1.08)}
.article-body{padding:22px 22px 20px}
.article-body .cat{display:inline-block;font-size:11px;letter-spacing:.22em;color:var(--gold);border:1px solid var(--gold);padding:3px 12px;margin-bottom:14px;text-transform:uppercase}
.article-body h3{font-size:18px;letter-spacing:.04em}
.article-body p{color:var(--muted);font-size:14px;margin:10px 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;justify-content:space-between;color:#a39d8c;font-size:12px;letter-spacing:.1em}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--deep-2);color:var(--cream);padding:96px 0;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 80% 0,rgba(187,149,87,.16),transparent 60%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(26px,3.8vw,40px);color:#fff;letter-spacing:.06em;margin-top:10px}
.page-hero .eyebrow{color:var(--gold-2)}
.page-hero p{color:#a9b6ae;margin-top:12px;letter-spacing:.08em}
.breadcrumb{font-size:12px;letter-spacing:.16em;color:#8d978f;margin-bottom:16px;text-transform:uppercase}
.breadcrumb a:hover{color:var(--gold-2)}
.breadcrumb span{color:var(--gold-2)}
.article-head-meta{display:flex;gap:14px;color:#8d978f;font-size:13px;letter-spacing:.14em;margin-top:16px}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:1fr 310px;gap:64px}
.article-content{min-width:0}
.article-cover-img{width:100%;height:auto;margin-bottom:36px;border:1px solid var(--line)}
.prose{font-size:16px}
.prose h1,.prose h2,.prose h3{margin:34px 0 16px;letter-spacing:.04em}
.prose h2{font-size:24px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.prose h3{font-size:20px}
.prose p{margin:18px 0;color:#3a362d;letter-spacing:.03em}
.prose ul{margin:18px 0 18px 24px}
.prose li{margin:8px 0;color:#3a362d}
.prose blockquote{border-left:2px solid var(--gold);background:var(--cream);padding:18px 24px;margin:24px 0;color:var(--muted);font-style:italic}
.article-side h3{font-size:18px;padding-bottom:14px;border-bottom:2px solid var(--deep);margin-bottom:6px;letter-spacing:.08em}
.related-list{list-style:none}
.related-list li{padding:16px 0;border-bottom:1px solid var(--line)}
.related-list a{font-size:14.5px;color:#3a362d;line-height:1.5;display:block}
.related-list a:hover{color:var(--gold)}
.side-cta{margin-top:34px;background:var(--deep);color:var(--cream);padding:34px 28px;text-align:center}
.side-cta h4{font-family:var(--serif);font-size:20px;color:#fff;letter-spacing:.06em}
.side-cta .gold-rule{margin:16px auto}
.side-cta p{color:#a9b6ae;font-size:13px;letter-spacing:.12em;margin-bottom:22px}
.side-cta .btn-solid{width:100%}

/* ---------- pagination ---------- */
.pagination{display:flex;gap:2px;justify-content:center;margin-top:60px}
.pagination a{min-width:46px;height:46px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);color:#4a463c;font-family:var(--serif);transition:.25s}
.pagination a:hover{border-color:var(--deep)}
.pagination a.active{background:var(--deep);color:#fff;border-color:var(--deep)}

/* ---------- footer ---------- */
.site-footer{background:var(--deep-2);color:#9aa39c;padding:84px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1.3fr 1fr;gap:56px;padding-bottom:56px}
.footer-brand .brand-zh{font-size:24px;color:#fff}
.footer-brand .brand-en{display:block;font-size:10px;letter-spacing:.32em;color:var(--gold-2);margin-top:6px;text-transform:uppercase}
.footer-desc{font-size:14px;color:#8d978f;margin-top:20px;max-width:360px;letter-spacing:.03em}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.24em;margin-bottom:24px;font-family:var(--sans);font-weight:500;position:relative;padding-bottom:14px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:1px;background:var(--gold)}
.contact-list{list-style:none}
.contact-list li{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:14.5px;letter-spacing:.04em;flex-wrap:wrap;border-bottom:1px solid rgba(255,255,255,.06)}
.contact-list li:last-child{border-bottom:0}
.contact-name{color:#c3cdc5}
.contact-name strong{color:#fff;font-family:var(--serif);letter-spacing:.08em}
.contact-list .btn{border:1px solid rgba(187,149,87,.5);color:var(--gold-2);padding:5px 16px;font-size:12px;letter-spacing:.1em}
.contact-list .btn:hover{background:var(--gold);color:#fff}
.footer-cities{display:flex;flex-wrap:wrap;gap:8px}
.footer-cities a{border:1px solid rgba(255,255,255,.16);padding:7px 15px;font-size:13px;letter-spacing:.1em;transition:.25s}
.footer-cities a:hover{border-color:var(--gold);color:var(--gold-2)}
.coverage{font-size:13px;color:#8d978f;letter-spacing:.06em;margin-top:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:26px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:#7b857c;letter-spacing:.12em}

/* ---------- floating contact ---------- */
.float-contact{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:70;display:flex;flex-direction:column}
.float-btn{writing-mode:vertical-rl;background:var(--deep);color:#fff;border:0;padding:24px 13px;font-size:14px;letter-spacing:.3em;cursor:pointer;font-family:var(--sans);transition:.3s;display:flex;align-items:center}
.float-btn:hover{background:var(--gold)}
.float-top{background:rgba(19,48,42,.85);padding:14px 13px;letter-spacing:0;display:none;font-size:16px;justify-content:center}

/* ================= responsive ================= */
@media (max-width:1024px){
  .about{grid-template-columns:1fr;gap:44px}
  .about-media img{height:420px}
  .city-grid,.svc-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr;gap:48px}
  .article-side{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .main-nav{position:fixed;top:78px;right:-100%;width:min(82%,340px);height:calc(100vh - 78px);background:var(--paper);flex-direction:column;padding:28px 22px;gap:2px;transition:right .35s var(--ease);margin:0;overflow:auto;border-left:1px solid var(--line)}
  .main-nav.open{right:0}
  .main-nav a{padding:16px 12px;font-size:17px;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .btn-nav{display:none}
  .nav-toggle{display:flex}
  .nav-backdrop.show{display:block;position:fixed;inset:78px 0 0;background:rgba(19,48,42,.45);z-index:70}
  .hero{min-height:auto}
  .hero-inner{padding:90px 0 70px}
  .hero-stats{flex-wrap:wrap}
  .hero-stats .stat{flex:1 1 45%;max-width:none;border-bottom:1px solid rgba(255,255,255,.12);padding:20px 0}
  .hero-stats .stat strong{font-size:26px}
  .city-grid,.svc-grid,.article-grid{grid-template-columns:1fr 1fr;gap:16px}
  .city-card{height:230px}
  .svc-media{height:190px}
  .about-media::before{inset:14px -14px -14px 14px}
  .about-media img{height:340px}
  .float-contact{top:auto;bottom:0;right:0;left:0;flex-direction:row;transform:none}
  .float-btn{writing-mode:horizontal-tb;flex:1;justify-content:center;padding:17px;letter-spacing:.22em}
  .float-top{display:none!important}
  body{padding-bottom:56px}
}
@media (max-width:520px){
  .city-grid,.svc-grid,.article-grid,.adv-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .hero-title{letter-spacing:.03em}
  .hero-tags span{padding:0 12px;font-size:13px}
  .city-card{height:250px}
}