*{margin:0;padding:0;box-sizing:border-box}
:root{--ink:#3a3530;--mut:#a59885;--gold:#8a6d3b;--lgold:#c0a878;--line:#e6ddd0;--bg:#faf7f2;--quote:#f0e9dd}
html{scroll-behavior:smooth}
body{font-family:Georgia,"Songti SC","Microsoft YaHei",serif;color:var(--ink);background:var(--bg);line-height:1.9}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.sans{font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
/* 左侧固定大图栏 */
.split{display:flex;min-height:100vh}
.left{width:38%;position:fixed;left:0;top:0;height:100vh;background:#3a3530 center/cover;z-index:20}
.left::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,36,32,.45),rgba(40,36,32,.72))}
.left .brand{position:absolute;z-index:2;top:54px;left:54px;color:#fff}
.left .brand h1{font-size:30px;letter-spacing:5px;font-weight:normal}
.left .brand p{font-size:12px;letter-spacing:4px;margin-top:10px;opacity:.85;font-family:"Helvetica Neue",sans-serif}
.left .menu{position:absolute;z-index:2;top:50%;left:54px;transform:translateY(-50%);color:#fff;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.left .menu a{display:block;padding:11px 0;font-size:15px;letter-spacing:3px;opacity:.78;position:relative;transition:.3s}
.left .menu a::before{content:"";position:absolute;left:-18px;top:50%;width:0;height:1px;background:var(--lgold);transition:.3s}
.left .menu a:hover,.left .menu a.on{opacity:1;padding-left:16px;color:#f0e3cf}
.left .menu a:hover::before,.left .menu a.on::before{width:12px}
.left .lc{position:absolute;z-index:2;bottom:48px;left:54px;color:#fff;font-family:"Helvetica Neue",sans-serif;font-size:12.5px;letter-spacing:2px;opacity:.8;line-height:2}
.left .lc b{color:var(--lgold);font-weight:normal}
/* 移动端顶栏 */
.mbar{display:none;position:fixed;top:0;left:0;right:0;z-index:30;background:#2e2a26;color:#fff;align-items:center;justify-content:space-between;padding:14px 20px}
.mbar .mb{font-size:18px;letter-spacing:3px}
.mtog{background:none;border:none;display:flex;flex-direction:column;gap:5px;cursor:pointer}
.mtog span{width:24px;height:2px;background:#fff;display:block}
.mmask{position:fixed;inset:0;background:rgba(46,42,38,.97);z-index:40;display:none;flex-direction:column;align-items:center;justify-content:center;gap:22px}
.mmask.open{display:flex}
.mmask a{color:#fff;font-size:20px;letter-spacing:5px;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.mmask .x{position:absolute;top:20px;right:28px;font-size:34px;color:#fff}
/* 右侧内容栏 */
.right{width:62%;margin-left:38%;padding:0}
.ihero{padding:120px 70px 90px;border-bottom:1px solid var(--line)}
.ihero .en{font-family:"Helvetica Neue",sans-serif;font-size:12px;letter-spacing:5px;color:var(--lgold);margin-bottom:26px}
.ihero h2{font-size:46px;line-height:1.5;color:var(--ink);font-weight:normal;letter-spacing:1px}
.ihero .sub{margin-top:26px;font-size:15px;color:var(--mut);letter-spacing:2px;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.phero{padding:96px 70px 40px;border-bottom:1px solid var(--line)}
.phero h2{font-size:38px;color:var(--gold);font-weight:normal;letter-spacing:2px}
.phero .crumb{margin-top:16px;font-size:13px;color:var(--mut);font-family:"Helvetica Neue","PingFang SC",sans-serif;letter-spacing:1px}
.phero .crumb a:hover{color:var(--gold)}
.block{padding:70px;border-bottom:1px solid var(--line)}
.block:last-of-type{border-bottom:none}
.en{font-family:"Helvetica Neue",sans-serif;font-size:12px;letter-spacing:4px;color:var(--lgold);margin-bottom:14px}
.block h2{font-size:30px;color:var(--gold);font-weight:normal;margin-bottom:34px;letter-spacing:1px}
.block>p{font-size:16.5px;line-height:2.1;color:#5a5249;margin-bottom:16px}
.lead{font-size:16.5px;line-height:2.1;color:#5a5249;margin-bottom:16px}
.mlink{display:inline-block;margin-top:18px;font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:13px;letter-spacing:3px;color:var(--gold);border-bottom:1px solid var(--gold);padding-bottom:4px}
.mlink:hover{color:var(--lgold);border-color:var(--lgold)}
/* 统计 */
.stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line)}
.stats>div{flex:1 1 25%;min-width:120px;padding:38px 16px;text-align:center;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.stats .num{font-size:42px;color:var(--gold);font-weight:normal}
.stats .lb{font-size:12.5px;letter-spacing:2px;color:var(--mut);margin-top:10px;font-family:"Helvetica Neue","PingFang SC",sans-serif}
/* 编号列表 */
.svc{margin-top:6px}
.svc .it{padding:30px 0;border-top:1px solid var(--line);display:flex;gap:28px;align-items:flex-start}
.svc .it:first-child{border-top:none}
.svc .it .no{font-size:34px;color:var(--lgold);line-height:1;min-width:46px}
.svc .it h3{font-size:20px;margin-bottom:8px;color:var(--ink);font-weight:normal}
.svc .it p{font-size:15px;line-height:1.95;color:#6a625a;font-family:"Helvetica Neue","PingFang SC",sans-serif}
/* 卡片网格 */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:6px}
.card{background:#fff;border:1px solid var(--line)}
.card .ph{height:200px;overflow:hidden;background:#efe8dc}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.6s}
.card:hover .ph img{transform:scale(1.06)}
.card .tx{padding:24px 26px}
.card .tag{font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:11px;letter-spacing:2px;color:var(--lgold);display:block;margin-bottom:9px}
.card .tx h3{font-size:18px;font-weight:normal;margin-bottom:10px;color:var(--ink)}
.card .tx p{font-size:14px;color:#7a7268;line-height:1.85;margin-bottom:14px;min-height:50px;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.card .tx a{font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:12px;letter-spacing:2px;color:var(--gold);border-bottom:1px solid var(--gold);padding-bottom:3px}
/* 引言条 */
.quote{background:var(--quote);padding:54px 46px;font-size:23px;line-height:1.85;color:#6b5638;text-align:center;font-style:italic}
.quote .qa{display:block;margin-top:20px;font-size:14px;font-style:normal;color:var(--mut);font-family:"Helvetica Neue","PingFang SC",sans-serif;letter-spacing:1px}
/* 时间轴 */
.tl{border-left:2px solid var(--line);padding-left:36px;margin-top:6px}
.tl .it{position:relative;padding-bottom:40px}
.tl .it:last-child{padding-bottom:0}
.tl .it::before{content:"";position:absolute;left:-43px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--gold);border:3px solid var(--bg)}
.tl .yr{font-size:24px;color:var(--gold);margin-bottom:6px}
.tl p{font-size:15px;color:#6a625a;font-family:"Helvetica Neue","PingFang SC",sans-serif}
/* 产品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.pd .gal img{width:100%;border:1px solid var(--line)}
.pd .thumbs{display:flex;gap:12px;margin-top:12px}
.pd .thumbs img{width:33%;border:1px solid var(--line)}
.pd h1{font-size:30px;color:var(--gold);font-weight:normal;margin-bottom:16px;letter-spacing:1px}
.specs{width:100%;border-collapse:collapse;margin:20px 0 26px}
.specs td{border-bottom:1px solid var(--line);padding:13px 6px;font-size:14px;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.specs td:first-child{color:var(--mut);width:38%}
.btns{margin-top:8px}
.btn{display:inline-block;font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:13px;letter-spacing:2px;padding:13px 30px;border:1px solid var(--gold);color:var(--gold);margin-right:12px}
.btn.solid{background:var(--gold);color:#fff}
.btn:hover{opacity:.78}
.body h3{font-size:13px;letter-spacing:3px;color:var(--lgold);font-family:"Helvetica Neue",sans-serif;margin:36px 0 14px}
.body p{font-size:15.5px;line-height:2.05;color:#5a5249;margin-bottom:14px;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.body img{width:100%;border:1px solid var(--line);margin:20px 0}
/* FAQ */
.faq .item{border-top:1px solid var(--line)}
.faq .item:last-child{border-bottom:1px solid var(--line)}
.faq .q{padding:24px 0;font-size:17px;cursor:pointer;display:flex;justify-content:space-between;color:var(--ink)}
.faq .q .pm{color:var(--lgold);font-size:22px}
.faq .a{max-height:0;overflow:hidden;transition:max-height .4s}
.faq .item.open .a{max-height:320px}
.faq .a p{padding:0 0 24px;color:#6a625a;font-size:14.5px;font-family:"Helvetica Neue","PingFang SC",sans-serif;line-height:1.95}
/* 招聘 */
.welf{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:6px}
.welf>div{text-align:center;padding:26px 14px;border:1px solid var(--line);background:#fff}
.welf .ic{font-size:26px;margin-bottom:10px}
.welf h3{font-size:15px;font-weight:normal;margin-bottom:5px}
.welf p{font-size:12.5px;color:var(--mut);font-family:"Helvetica Neue","PingFang SC",sans-serif}
.jobs .jb{border-top:1px solid var(--line);padding:28px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}
.jobs .jb:first-child{border-top:none}
.jobs .jb h3{font-size:19px;font-weight:normal}
.jobs .jb .tags{margin-top:7px;font-size:12px;color:var(--mut);font-family:"Helvetica Neue","PingFang SC",sans-serif;letter-spacing:1px}
.jobs .jb .pay{font-size:16px;color:var(--gold);white-space:nowrap}
/* 新闻列表 */
.nlist .ni{display:flex;gap:32px;padding:32px 0;border-top:1px solid var(--line);align-items:baseline}
.nlist .ni:first-child{border-top:none}
.nlist .ni .date{font-family:"Helvetica Neue",sans-serif;font-size:13px;color:var(--lgold);white-space:nowrap;min-width:90px}
.nlist .ni h3{font-size:19px;font-weight:normal;margin-bottom:8px}
.nlist .ni p{font-size:14px;color:#7a7268;font-family:"Helvetica Neue","PingFang SC",sans-serif;line-height:1.85}
.nlist .ni:hover h3{color:var(--gold)}
.ahead{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:28px}
.ahead h1{font-size:30px;color:var(--gold);font-weight:normal;margin-bottom:14px;line-height:1.4}
.ahead .meta{font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:12.5px;color:var(--mut);letter-spacing:1px}
.prevnext{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:46px;padding-top:22px;font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:13.5px;color:#7a7268}
.prevnext a:hover{color:var(--gold)}
/* 联系 */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.cinfo .ci{padding:20px 0;border-bottom:1px solid var(--line)}
.cinfo .ci .k{font-family:"Helvetica Neue",sans-serif;font-size:11px;letter-spacing:3px;color:var(--lgold);margin-bottom:6px}
.cinfo .ci .v{font-size:16px;color:var(--ink)}
.cform input,.cform textarea{width:100%;padding:13px 0;border:none;border-bottom:1px solid var(--line);margin-bottom:20px;font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:14px;background:none;color:var(--ink)}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--gold)}
.cform button{font-family:"Helvetica Neue","PingFang SC",sans-serif;font-size:13px;letter-spacing:3px;padding:14px 40px;background:var(--gold);color:#fff;border:none;cursor:pointer}
.cform button:hover{background:var(--ink)}
/* 页脚 */
footer{padding:54px 70px;background:#efe8dc;font-family:"Helvetica Neue","PingFang SC",sans-serif}
.flinks{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;letter-spacing:1px;margin-bottom:24px}
.flinks a{color:#6a625a}.flinks a:hover{color:var(--gold)}
footer .info{font-size:12.5px;color:var(--mut);line-height:2;letter-spacing:.5px}
/* 动效 */
.reveal{opacity:0;transform:translateY(28px);transition:.9s}
.reveal.in{opacity:1;transform:none}
/* 响应式 */
@media(max-width:960px){
.left{display:none}.mbar{display:flex}.right{width:100%;margin-left:0;margin-top:50px}
.ihero,.phero,.block,footer{padding-left:26px;padding-right:26px}
.ihero{padding-top:56px}.ihero h2{font-size:32px}.phero h2{font-size:30px}
.cards,.welf,.pd,.cgrid{grid-template-columns:1fr}
.welf{grid-template-columns:repeat(2,1fr)}
.nlist .ni{flex-direction:column;gap:6px}
}