:root{
  --bg:#FBF8F2; --surface:#FFFFFF; --surface-warm:#F2EBDD;
  --ink:#231F1C; --muted:#6B6359; --brand:#2E4034; --brand-dark:#1E2C24;
  --accent:#C08A4E; --border:#E5DDCF;
  --r-lg:20px; --r-md:12px; --r-sm:8px; --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Source Serif 4',Georgia,"Songti SC",serif;font-weight:700;line-height:1.3;letter-spacing:-.01em}
h2{font-size:30px;margin-bottom:10px}
h3{font-size:20px;margin-bottom:8px}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:13px 26px;border-radius:999px;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-gold{background:var(--accent);color:#fff}
.btn-gold:hover{background:#b07d42}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(46,64,52,.06)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
section{padding:64px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head p{color:var(--muted);font-size:16px}
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a:hover{color:var(--brand)}

header{position:sticky;top:0;z-index:50;background:rgba(251,248,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Source Serif 4',serif;font-weight:700;font-size:20px;color:var(--brand)}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:26px;font-size:15px;color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--brand)}

.hero{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:44px;margin:10px 0 18px}
.hero p.lead{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.trust{margin-top:24px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:10px}
.trust b{color:var(--brand)}
.hero-img{aspect-ratio:4/5;border-radius:var(--r-lg);background:linear-gradient(135deg,#2E4034,#1E2C24 60%,#3a5245);position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:26px;color:#fff}
.hero-img::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(192,138,78,.45),transparent 55%)}
.hero-img .cap{position:relative;font-size:14px;opacity:.92}

.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:26px}
.card .ic{width:44px;height:44px;border-radius:12px;background:var(--surface-warm);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:20px}
.card h3{font-size:18px;margin-bottom:8px;font-family:'Inter';font-weight:700}
.card p{font-size:14px;color:var(--muted)}

.cases{background:var(--surface-warm)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:var(--surface);border-radius:var(--r-md);overflow:hidden;border:1px solid var(--border)}
.case .ph{height:200px;background:linear-gradient(135deg,#3a5245,#2E4034 55%,#23332a)}
.case .ph.b{background:linear-gradient(135deg,#C08A4E,#9c6c39)}
.case .ph.c{background:linear-gradient(135deg,#5b6f63,#2E4034)}
.case .body{padding:18px 20px 22px}
.case .body h3{font-size:17px;font-family:'Inter';font-weight:700;margin-bottom:6px}
.case .body span{font-size:13px;color:var(--accent);font-weight:600}
.case .body p{font-size:13px;color:var(--muted);margin-top:8px}

.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.art{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:24px;display:flex;flex-direction:column;gap:12px}
.art .tag{align-self:flex-start;background:var(--accent);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px}
.art h3{font-size:18px;font-family:'Inter';font-weight:700}
.art p{font-size:14px;color:var(--muted);flex:1}
.art .more{font-size:14px;font-weight:600;color:var(--brand)}

.local-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.chip{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:9px 18px;font-size:14px;font-weight:500}
.local-img{aspect-ratio:1/1;border-radius:var(--r-lg);background:linear-gradient(135deg,#C08A4E,#7c5a30);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Source Serif 4';font-size:26px;text-align:center;padding:30px}
.local-img::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(46,64,52,.5),transparent 60%)}

.cta-band{background:var(--brand);color:#fff;text-align:center}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82);margin-bottom:26px;font-size:16px}

.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:24px}
.rev .stars{color:var(--accent);font-size:15px;margin-bottom:10px;letter-spacing:2px}
.rev p{font-size:14px;margin-bottom:14px}
.rev .who{font-size:13px;color:var(--muted);font-weight:600}

.faq{background:var(--surface-warm)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:20px 22px}
.faq-item h3{font-size:16px;font-family:'Inter';font-weight:700;margin-bottom:8px}
.faq-item p{font-size:14px;color:var(--muted)}

/* article page */
.article{padding:56px 0}
.article-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.article-main h2{font-size:26px;margin:28px 0 12px}
.article-main h3{font-size:20px;margin:24px 0 10px;font-family:'Inter';font-weight:700}
.article-main p{font-size:16px;color:#333;margin-bottom:14px}
.article-main .tip{background:var(--surface-warm);border-left:4px solid var(--accent);padding:14px 18px;border-radius:var(--r-sm);font-size:15px;margin:16px 0}
.toc{position:sticky;top:90px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:22px}
.toc h4{font-family:'Inter';font-size:14px;margin-bottom:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.toc a{display:block;font-size:14px;color:var(--ink);padding:6px 0;border-bottom:1px solid var(--border)}
.toc a:last-child{border-bottom:none}
.toc a:hover{color:var(--brand)}

.area-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:24px;margin-bottom:18px}
.area-card h3{font-size:19px;font-family:'Inter';font-weight:700}
.area-card .area-tag{display:inline-block;background:var(--surface-warm);color:var(--brand);font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;margin-bottom:10px}
.area-card p{font-size:15px;color:var(--muted)}

.form-card{max-width:560px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.form-row input,.form-row textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:15px;font-family:inherit;background:var(--bg)}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--accent)}
.form-note{font-size:12px;color:var(--muted);text-align:center;margin-top:14px}
.form-ok{display:none;background:#eaf3ec;color:var(--brand);border:1px solid #cfe3d4;border-radius:var(--r-sm);padding:12px 14px;font-size:14px;text-align:center;margin-bottom:16px}

footer{background:var(--brand-dark);color:rgba(255,255,255,.85);padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-family:'Inter';font-weight:700}
footer a,footer p{font-size:14px;color:rgba(255,255,255,.75);display:block;margin-bottom:8px}
footer a:hover{color:var(--accent)}
.foot-brand{font-family:'Source Serif 4';font-size:22px;color:#fff;margin-bottom:12px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.55);text-align:center}

@media(max-width:880px){
  .nav-links{display:none}
  .hero-grid,.local-grid,.article-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:32px}
  .hero-img{aspect-ratio:16/10}
  .cards-4,.cases-grid,.art-grid,.rev-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .toc{position:static}
  section{padding:52px 0}
}