*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#1f2d3d;line-height:1.8;background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
/* 顶部信息条 */
.tbar{background:#143d2b;color:#9fc7b2;font-size:13px}
.tbar .wrap{display:flex;justify-content:space-between;height:40px;align-items:center}
.tbar a:hover{color:#fff}
/* 导航 */
header{background:#fff;border-bottom:3px solid #143d2b;position:sticky;top:0;z-index:30}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{font-size:25px;font-weight:800;color:#143d2b;line-height:1.1}
.logo small{display:block;font-size:11px;color:#8aa092;letter-spacing:3px;font-weight:400;margin-top:2px}
.menu{display:flex;gap:4px}
.menu a{padding:9px 18px;font-size:15px;font-weight:600;border-radius:4px}
.menu a:hover,.menu a.on{background:#eef5f0;color:#2c6e49}
.mtog{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:#143d2b}
.mmask{position:fixed;inset:0;background:#143d2b;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;font-weight:600}.mmask .x{position:absolute;top:20px;right:28px;font-size:34px;color:#fff}
/* 首屏大图 */
.hero{background:linear-gradient(rgba(20,61,43,.82),rgba(20,61,43,.74)),url('https://picsum.photos/1500/640?random=910') center/cover;color:#fff;padding:120px 0}
.hero .kk{display:inline-block;border:1px solid rgba(255,255,255,.4);font-size:13px;padding:6px 16px;border-radius:20px;margin-bottom:22px;letter-spacing:1px}
.hero h1{font-size:46px;font-weight:800;margin-bottom:18px;line-height:1.25}
.hero p{font-size:18px;opacity:.92;max-width:620px;margin-bottom:32px}
.b{display:inline-block;background:#e0a526;color:#143d2b;padding:14px 38px;border-radius:5px;font-weight:700;transition:.25s}
.b:hover{background:#caa11f}
.b.o{background:transparent;border:2px solid #fff;color:#fff;margin-left:14px}
.b.o:hover{background:#fff;color:#143d2b}
.b.g{background:#2c6e49;color:#fff}.b.g:hover{background:#235a3b}
/* 内页头 */
.phead{background:linear-gradient(rgba(20,61,43,.86),rgba(20,61,43,.78)),url('https://picsum.photos/1500/360?random=911') center/cover;color:#fff;padding:66px 0}
.phead h1{font-size:38px;font-weight:800;margin-bottom:10px}
.crumb{font-size:14px;opacity:.85}
.crumb a:hover{color:#e0a526}
/* 计数器 */
.counters{background:#143d2b;color:#fff}
.counters .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding:52px 24px;text-align:center;gap:20px}
.ct .n{font-size:46px;font-weight:800;color:#e0a526}
.ct .l{font-size:15px;opacity:.85;margin-top:6px}
/* 区块 */
.sec{padding:78px 0}
.sec.alt{background:#f4f8f5}
.sh{text-align:center;margin-bottom:48px}
.sh .en{font-size:13px;letter-spacing:3px;color:#2c6e49;font-weight:700;margin-bottom:8px}
.sh h2{font-size:34px;font-weight:800;color:#143d2b}
.sh .u{width:60px;height:4px;background:#e0a526;margin:14px auto 0}
.sh p{color:#6a7888;margin-top:14px;font-size:15px}
/* 卡片网格 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid.g3{grid-template-columns:repeat(3,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
.c{padding:32px 24px;border:1px solid #e6ede8;border-radius:8px;transition:.3s;background:#fff;display:block}
.c:hover{background:#143d2b;color:#fff;border-color:#143d2b;transform:translateY(-4px);box-shadow:0 16px 36px rgba(20,61,43,.18)}
.c:hover p,.c:hover h3{color:#fff}.c:hover p{opacity:.85}
.c .ic{width:62px;height:62px;background:#eef5f0;color:#2c6e49;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;margin-bottom:18px}
.c:hover .ic{background:rgba(255,255,255,.14);color:#e0a526}
.c .tg{display:inline-block;font-size:12px;color:#2c6e49;background:#eef5f0;padding:3px 10px;border-radius:10px;margin-bottom:10px}
.c h3{font-size:18px;margin-bottom:10px;color:#143d2b;font-weight:700}
.c p{font-size:14px;color:#6a7888;line-height:1.75}
.c .more{display:inline-block;margin-top:12px;font-size:13px;color:#2c6e49;font-weight:600}
.c:hover .more{color:#e0a526}
/* 带图卡 */
.c.pic{padding:0;overflow:hidden}
.c.pic:hover{transform:translateY(-4px)}
.c.pic .ph{height:200px;overflow:hidden;background:#eee}
.c.pic .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.c.pic:hover .ph img{transform:scale(1.06)}
.c.pic .tx{padding:22px 24px}
.c.pic:hover{background:#fff}.c.pic:hover h3{color:#143d2b}.c.pic:hover p{color:#6a7888;opacity:1}
/* 富文本 */
.rich{max-width:980px;margin:0 auto}
.rich p{font-size:16px;color:#4a5a6a;margin-bottom:15px;line-height:1.95}
.rich p b{color:#143d2b}
img.full{width:100%;border-radius:10px;margin:24px 0}
/* CTA 条 */
.band{background:linear-gradient(rgba(20,61,43,.9),rgba(20,61,43,.86)),url('https://picsum.photos/1400/400?random=912') center/cover;color:#fff;padding:64px 24px;text-align:center}
.band h3{font-size:30px;font-weight:800;margin-bottom:12px}
.band p{opacity:.9;margin-bottom:26px}
/* 时间轴 */
.tl{max-width:900px;margin:0 auto;border-left:3px solid #e6ede8;padding-left:30px}
.tl .it{position:relative;padding-bottom:30px}
.tl .it:last-child{padding-bottom:0}
.tl .it::before{content:"";position:absolute;left:-38px;top:5px;width:13px;height:13px;border-radius:50%;background:#2c6e49;border:3px solid #fff;box-shadow:0 0 0 2px #2c6e49}
.tl .yr{font-size:22px;font-weight:800;color:#2c6e49;margin-bottom:4px}
.tl p{font-size:15px;color:#6a7888}
/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq .item{border:1px solid #e6ede8;border-radius:8px;margin-bottom:14px;overflow:hidden}
.faq .q{padding:20px 26px;font-size:16px;font-weight:700;color:#143d2b;cursor:pointer;display:flex;justify-content:space-between;gap:14px;background:#f8faf9}
.faq .q .pm{color:#2c6e49;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:18px 26px;color:#6a7888;font-size:15px}
/* 招聘 */
.jobs{max-width:980px;margin:0 auto}
.jb{display:flex;justify-content:space-between;align-items:center;gap:18px;border:1px solid #e6ede8;border-radius:8px;padding:24px 28px;margin-bottom:14px;transition:.25s}
.jb:hover{border-color:#2c6e49;box-shadow:0 8px 22px rgba(20,61,43,.1)}
.jb h3{font-size:18px;color:#143d2b;font-weight:700}
.jb .tags{font-size:13px;color:#8aa092;margin-top:5px}
.jb .pay{color:#e0a526;font-weight:800;font-size:18px;white-space:nowrap}
/* 新闻列表 */
.nlist{max-width:1000px;margin:0 auto}
.ni{display:flex;gap:26px;align-items:center;border:1px solid #e6ede8;border-radius:8px;padding:24px 28px;margin-bottom:16px;transition:.25s}
.ni:hover{border-color:#2c6e49;box-shadow:0 8px 22px rgba(20,61,43,.1)}
.ni .date{text-align:center;background:#143d2b;color:#fff;border-radius:8px;padding:14px 18px;white-space:nowrap}
.ni .date .d{font-size:28px;font-weight:800;color:#e0a526}
.ni .date .m{font-size:12px;opacity:.85}
.ni h3{font-size:18px;color:#143d2b;font-weight:700;margin-bottom:6px}
.ni p{font-size:14px;color:#6a7888}
.ni:hover h3{color:#2c6e49}
/* 产品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:1100px;margin:0 auto}
.pd .gal img{width:100%;border-radius:10px}
.pd .thumbs{display:flex;gap:12px;margin-top:12px}
.pd .thumbs img{width:33%;border-radius:6px}
.pd h1{font-size:30px;font-weight:800;color:#143d2b;margin-bottom:12px}
.pd .desc{color:#6a7888;margin-bottom:20px;font-size:16px}
.specs{width:100%;border-collapse:collapse;border:1px solid #e6ede8;border-radius:8px;overflow:hidden;margin-bottom:24px}
.specs td{padding:13px 16px;border-bottom:1px solid #eef3f0;font-size:14px}
.specs tr:last-child td{border-bottom:none}
.specs td:first-child{background:#f4f8f5;color:#6a7888;width:38%;font-weight:600}
.body{max-width:1000px;margin:30px auto 0}
.body h3{font-size:18px;color:#143d2b;font-weight:800;margin:28px 0 12px;padding-left:14px;border-left:4px solid #e0a526}
.body h3:first-child{margin-top:0}
.body p{font-size:15.5px;color:#4a5a6a;line-height:1.95;margin-bottom:14px}
.body img{width:100%;border-radius:10px;margin:18px 0}
/* 文章 */
.article{max-width:880px;margin:0 auto}
.ahead{border-bottom:2px solid #e6ede8;padding-bottom:22px;margin-bottom:26px}
.ahead h1{font-size:32px;font-weight:800;color:#143d2b;margin-bottom:12px;line-height:1.35}
.ahead .meta{font-size:13px;color:#8aa092}
.prevnext{display:flex;justify-content:space-between;border-top:2px solid #e6ede8;margin-top:38px;padding-top:20px;font-size:14px;font-weight:600}
.prevnext a:hover{color:#2c6e49}
/* 联系 */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:1080px;margin:0 auto}
.ci{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid #eef3f0;align-items:center}
.ci .ic{width:48px;height:48px;flex:none;background:#eef5f0;color:#2c6e49;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}
.ci .k{font-size:12px;color:#8aa092}
.ci .v{font-size:17px;color:#143d2b;font-weight:600}
.cform input,.cform textarea{width:100%;padding:13px 16px;border:1px solid #d8e2db;border-radius:6px;margin-bottom:14px;font-family:inherit;font-size:14px}
.cform input:focus,.cform textarea:focus{outline:none;border-color:#2c6e49}
.cform button{width:100%;padding:15px;border:none;border-radius:6px;background:#2c6e49;color:#fff;font-size:15px;font-weight:700;cursor:pointer}
.cform button:hover{background:#235a3b}
/* 页脚 */
footer{background:#143d2b;color:#9fc7b2;padding:54px 0 30px}
.fcols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.fcols h4{color:#fff;margin-bottom:16px;font-size:16px}
.fbrand{font-size:24px;font-weight:800;color:#fff;margin-bottom:14px}
.fcols p,.fcols a{font-size:14px;line-height:2;color:#9fc7b2;display:block}
.fcols a:hover{color:#e0a526}
.fbot{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:22px;font-size:13px;color:#7da890;text-align:center}
/* 动效 */
.reveal{opacity:0;transform:translateY(24px);transition:.8s}
.reveal.in{opacity:1;transform:none}
@media(max-width:980px){.grid,.grid.g3{grid-template-columns:repeat(2,1fr)}.counters .wrap{grid-template-columns:repeat(2,1fr)}.fcols{grid-template-columns:1fr 1fr}}
@media(max-width:720px){
.menu{display:none}.mtog{display:block}.tbar{display:none}
.hero h1{font-size:32px}.phead h1{font-size:28px}
.grid,.grid.g2,.grid.g3,.pd,.cgrid,.counters .wrap{grid-template-columns:1fr}
.ni{flex-direction:column;align-items:flex-start;gap:12px}.fcols{grid-template-columns:1fr}
}