:root{
  --ink:#2b2b2b; --muted:#7a7568; --bg:#faf8f4; --card:#ffffff;
  --accent:#8a7b5c; --accent-d:#6d6147; --line:#e6e1d6; --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Helvetica Neue",Arial,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* 导航 */
header{position:sticky;top:0;z-index:10;background:rgba(250,248,244,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:19px;font-weight:700;letter-spacing:.4px}
.logo span{color:var(--accent)}
.nav a.navlink{margin-left:26px;font-size:15px;color:var(--muted)}
.nav a.navlink:hover,.nav a.navlink.active{color:var(--ink)}

/* 首页横幅 */
.hero{position:relative;height:min(66vh,560px);overflow:hidden}
.hero img{width:100%;height:100%;object-fit:cover}
.hero .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,26,18,.15),rgba(30,26,18,.55));display:flex;align-items:center}
.hero h1{color:#fff;font-size:clamp(28px,4.5vw,46px);font-weight:700;max-width:640px;line-height:1.25}
.hero p{color:rgba(255,255,255,.9);margin-top:14px;font-size:17px}
.btn{display:inline-block;margin-top:26px;background:var(--accent);color:#fff;padding:12px 30px;border-radius:6px;font-size:15px}
.btn:hover{background:var(--accent-d)}

section{padding:64px 0}
.sec-title{font-size:28px;margin-bottom:8px}
.sec-sub{color:var(--muted);margin-bottom:36px}

/* 分类卡片 */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(60,52,35,.12)}
.cat-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cat-card .body{padding:18px 20px 22px}
.cat-card h3{font-size:19px;margin-bottom:6px}
.cat-card p{color:var(--muted);font-size:14px}

/* 产品 */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filters button{border:1px solid var(--line);background:#fff;padding:9px 20px;border-radius:999px;font-size:14px;cursor:pointer;color:var(--muted)}
.filters button.on{background:var(--accent);border-color:var(--accent);color:#fff}
.p-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:22px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:.2s}
.p-card:hover{box-shadow:0 8px 22px rgba(60,52,35,.12);transform:translateY(-3px)}
.p-card img{width:100%;aspect-ratio:1;object-fit:cover}
.p-card .body{padding:14px 16px}
.p-card h4{font-size:16px}
.p-card small{color:var(--muted)}

/* 弹窗看图 */
.modal{position:fixed;inset:0;background:rgba(20,18,12,.8);display:none;align-items:center;justify-content:center;z-index:50;padding:24px}
.modal.open{display:flex}
.modal .box{background:#fff;border-radius:var(--radius);max-width:760px;width:100%;overflow:hidden}
.modal img{width:100%;max-height:62vh;object-fit:cover}
.modal .body{padding:20px 24px}
.modal .close{float:right;border:none;background:none;font-size:26px;cursor:pointer;color:var(--muted)}

/* 关于/联系 */
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:760px){.two{grid-template-columns:1fr}}
.stats{display:flex;gap:40px;margin-top:28px;flex-wrap:wrap}
.stats b{font-size:30px;color:var(--accent)}
.stats span{display:block;color:var(--muted);font-size:14px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.contact-card p{margin:12px 0;font-size:16px}
.contact-card b{display:inline-block;width:92px;color:var(--muted);font-weight:600}

footer{background:#2e2a22;color:#cfc9bb;padding:34px 0;font-size:14px}
footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}