:root{--wood:#8a5a32;--wood-light:#b8895a;--ink:#2c2c2c;--bg:#f7f5f2;--card:#ffffff;
--line:#e6e0d8;--muted:#7a746c;--maxw:1080px;}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;}
img{max-width:100%;height:auto;display:block;image-orientation:from-image;}
a{color:var(--wood);text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px;}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;}
.brand{display:flex;align-items:center;gap:10px;padding:12px 16px;max-width:var(--maxw);margin:0 auto;}
.brand .logo{font-size:22px;font-weight:800;color:var(--wood);letter-spacing:1px;}
.brand .sub{font-size:12px;color:var(--muted);}
nav.nav{display:flex;gap:4px;overflow-x:auto;padding:0 16px 10px;max-width:var(--maxw);margin:0 auto;-webkit-overflow-scrolling:touch;}
nav.nav a{flex:0 0 auto;padding:6px 10px;font-size:14px;color:var(--ink);border-radius:6px;white-space:nowrap;}
nav.nav a.active{background:var(--wood);color:#fff;}
.hero{background:linear-gradient(135deg,#8a5a32,#b8895a);color:#fff;padding:48px 16px 40px;text-align:center;}
.hero h1{font-size:30px;margin-bottom:12px;font-weight:800;}
.hero p{font-size:16px;opacity:.95;max-width:680px;margin:0 auto 18px;}
.hero .tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:8px;}
.hero .tags span{background:rgba(255,255,255,.18);padding:5px 12px;border-radius:20px;font-size:13px;}
.btn{display:inline-block;background:#fff;color:var(--wood);padding:12px 26px;border-radius:30px;font-weight:700;font-size:16px;}
.btn.wood{background:var(--wood);color:#fff;}
section{padding:38px 0;}
.sec-title{font-size:24px;font-weight:800;margin-bottom:6px;text-align:center;}
.sec-sub{text-align:center;color:var(--muted);margin-bottom:24px;font-size:14px;}
.lead{background:#fff;border-left:4px solid var(--wood);padding:16px 18px;border-radius:8px;margin-bottom:22px;font-size:15px;}
.grid{display:grid;gap:16px;}
.grid.sp{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;transition:.2s;}
.card:hover{box-shadow:0 6px 20px rgba(0,0,0,.07);}
.sp .no{font-size:13px;color:var(--wood);font-weight:800;letter-spacing:1px;}
.sp h3{font-size:17px;margin:6px 0 8px;}
.sp p{font-size:14px;color:var(--muted);}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;}
table.tbl th{background:var(--wood);color:#fff;text-align:left;padding:12px 14px;font-size:14px;}
table.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);font-size:14px;}
table.tbl tr:last-child td{border-bottom:none;}
.case-card img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;width:100%;}
.case-card h3{font-size:16px;margin:10px 0 4px;}
.case-card .meta{color:var(--muted);font-size:13px;}
.filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:22px;}
.filters button{border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:20px;font-size:13px;cursor:pointer;}
.filters button.on{background:var(--wood);color:#fff;border-color:var(--wood);}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;}
.gallery img{border-radius:8px;aspect-ratio:4/3;object-fit:cover;width:100%;}
.proc{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;}
.proc .step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;position:relative;}
.proc .step .n{position:absolute;top:-12px;left:16px;background:var(--wood);color:#fff;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;}
.proc .step h3{font-size:16px;margin:8px 0 6px;}
.proc .step p{font-size:13px;color:var(--muted);}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0;}
.faq-item h3{font-size:16px;color:var(--wood);margin-bottom:6px;}
.faq-item p{font-size:15px;}
.calc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;max-width:480px;margin:0 auto 26px;}
.calc label{display:block;font-size:14px;margin:14px 0 6px;}
.calc input,.calc select{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:15px;}
.calc .res{margin-top:18px;font-size:20px;font-weight:800;color:var(--wood);text-align:center;}
.media-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:14px;}
.media-item .src{color:var(--wood);font-weight:700;font-size:13px;}
.media-item h3{font-size:17px;margin:6px 0;}
.media-item p{font-size:14px;color:var(--muted);}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;text-align:center;}
.contact-box .phone{font-size:26px;font-weight:800;color:var(--wood);}
.contact-box img.qr{width:160px;margin:16px auto;}
footer.site{background:#2c2c2c;color:#cfc8bf;padding:30px 16px;text-align:center;font-size:13px;line-height:1.9;}
footer.site a{color:#cfc8bf;}
.cta-float{position:fixed;left:0;right:0;bottom:0;background:var(--wood);color:#fff;text-align:center;padding:13px;font-weight:700;font-size:16px;z-index:30;box-shadow:0 -2px 12px rgba(0,0,0,.15);}
.article-body p{margin-bottom:14px;font-size:15px;}
.breadcrumb{font-size:13px;color:var(--muted);padding:14px 16px 0;max-width:var(--maxw);margin:0 auto;}
.breadcrumb a{color:var(--muted);}
.detail-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.detail-grid{grid-template-columns:1fr 1fr;}}
.detail-grid .info{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;}
.detail-grid .info h2{font-size:20px;margin-bottom:10px;}
.tag{display:inline-block;background:#f0e9e0;color:var(--wood);padding:3px 10px;border-radius:14px;font-size:12px;margin:2px;}
@media(min-width:600px){.hero h1{font-size:38px;}}