:root{--green:#008040;--green2:#0a6e38;--green3:#22c55e;--gold:#eab308;--ink:#16241c;--mut:#5b6b60;--bg:#f5faf6;--card:#ffffff;--line:#dce8e0}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Arabic","Noto Sans",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
/* 导航 */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:92px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.22rem;color:var(--green)}
.brand .dot{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--green3),var(--green));display:flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem}
.menu{display:flex;align-items:center;gap:26px;list-style:none}
.menu a{font-weight:600;color:var(--ink);font-size:.95rem;position:relative;padding:4px 0}
.menu a:hover{color:var(--green)}
.lang{display:flex;gap:6px;align-items:center}
.lang a{padding:4px 10px;border:1px solid var(--line);border-radius:20px;font-size:.78rem;font-weight:700;color:var(--mut)}
.lang a.on{background:var(--green);color:#fff;border-color:var(--green)}
.burger{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--green)}
/* Hero */
.hero{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero .ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,40,20,.72),rgba(9,40,20,.55))}
.hero .in{position:relative;z-index:2;max-width:820px;padding:60px 20px}
.hero h1{font-size:clamp(1.9rem,4.5vw,3.2rem);font-weight:800;line-height:1.2;margin-bottom:18px;text-shadow:0 2px 18px rgba(0,0,0,.3)}
.hero p{font-size:clamp(1rem,1.6vw,1.2rem);opacity:.95;margin-bottom:30px}
.btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{padding:13px 30px;border-radius:40px;font-weight:700;font-size:.98rem;display:inline-block;transition:.2s}
.btn-a{background:var(--green);color:#fff}
.btn-a:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,128,64,.35)}
.btn-b{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-b:hover{background:rgba(255,255,255,.24)}
/* 统计条 */
.stats{background:var(--green2);color:#fff}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:34px 0;text-align:center}
.stats b{font-size:2rem;display:block;color:var(--gold)}
.stats span{font-size:.86rem;opacity:.9}
/* 区块 */
.sec{padding:72px 0}
.sec-title{text-align:center;margin-bottom:44px}
.sec-title h2{font-size:clamp(1.5rem,3vw,2.1rem);color:var(--green);font-weight:800}
.sec-title p{color:var(--mut);margin-top:8px}
/* 分类卡 */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;transition:.22s;text-align:center}
.cat:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,83,45,.12);border-color:var(--green3)}
.cat .cimg{aspect-ratio:4/3;background:#fff;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:14px;border:1px solid var(--line)}
.cat .cimg img{max-height:100%;object-fit:contain}
.cat h3{font-size:1.05rem;margin-bottom:6px;color:var(--ink)}
.cat p{font-size:.88rem;color:var(--mut)}
/* 关于摘要 */
.about2{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.about2 .imgbox{border-radius:18px;overflow:hidden;box-shadow:0 20px 50px rgba(20,83,45,.18)}
.about2 h2{font-size:clamp(1.4rem,2.6vw,1.9rem);color:var(--green);margin-bottom:16px}
.about2 p{color:var(--mut);margin-bottom:14px}
/* CTA 带 */
.cta-band{background:linear-gradient(120deg,var(--green),var(--green2));color:#fff;text-align:center;padding:58px 20px}
.cta-band h2{font-size:clamp(1.4rem,2.8vw,2rem);margin-bottom:12px}
.cta-band p{opacity:.92;margin-bottom:24px}
/* 产品页 */
.prod-top{padding:50px 0 10px;text-align:center}
.prod-top h1{font-size:2rem;color:var(--green)}
.search{max-width:420px;margin:22px auto 0;position:relative}
.search input{width:100%;padding:13px 20px;border-radius:40px;border:1.5px solid var(--line);font-size:1rem;outline:none}
.search input:focus{border-color:var(--green3)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;padding:34px 0 70px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-align:center;transition:.2s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,83,45,.12)}
.pcard .ph{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;padding:14px}
.pcard .ph img{max-height:100%;object-fit:contain}
.pcard .nm{padding:10px;font-weight:700;font-size:.9rem;border-top:1px solid var(--line);color:var(--ink)}
.pcount{text-align:center;color:var(--mut);font-size:.9rem;margin-top:8px}
/* 分类筛选 */
.catnav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:26px auto 0;max-width:820px}
.catnav a{padding:9px 20px;border:1.5px solid var(--line);border-radius:30px;font-size:.9rem;font-weight:600;color:var(--mut);transition:.2s}
.catnav a:hover{border-color:var(--green3);color:var(--green)}
.catnav a.on{background:var(--green);color:#fff;border-color:var(--green)}
/* 联系页 */
.contact2{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding-bottom:70px}
.cform{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px}
.cform label{display:block;font-weight:600;font-size:.88rem;margin:16px 0 6px}
.cform input,.cform textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:.95rem;font-family:inherit;outline:none}
.cform input:focus,.cform textarea:focus{border-color:var(--green3)}
.cform textarea{min-height:130px;resize:vertical}
.cform .btn{margin-top:20px;border:none;cursor:pointer;width:100%;text-align:center}
.cinfo h2{color:var(--green);margin-bottom:20px}
.cinfo .row{display:flex;gap:12px;margin-bottom:16px;color:var(--mut);font-size:.95rem}
.cinfo .row b{color:var(--ink);display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.4px;margin-bottom:2px}
/* 关于页 */
.page{padding:56px 0 70px;max-width:860px}
.page h1{color:var(--green);font-size:2rem;margin-bottom:26px}
.page p{color:var(--mut);margin-bottom:16px}
/* 页脚 */
.foot{background:#0c2b18;color:#cfe3d6;padding:46px 0 26px}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.foot h4{color:#fff;margin-bottom:14px}
.foot a{display:block;margin-bottom:8px;font-size:.9rem;opacity:.85}
.foot a:hover{opacity:1;color:var(--gold)}
.foot .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;text-align:center;font-size:.82rem;opacity:.7}
/* RTL */
[dir=rtl] .nav-in,[dir=rtl] .about2,[dir=rtl] .contact2{text-align:right}
[dir=rtl] .stats-in{unicode-bidi:plaintext}
/* 移动端 */
@media(max-width:860px){
  .menu{position:fixed;top:66px;right:-100%;width:75%;max-width:300px;height:calc(100vh - 66px);background:#fff;flex-direction:column;align-items:flex-start;padding:30px 26px;gap:20px;box-shadow:-8px 0 30px rgba(0,0,0,.12);transition:.25s;border-left:1px solid var(--line)}
  .menu.open{right:0}
  .menu a{font-size:1.05rem}
  .burger{display:block}
  .cats{grid-template-columns:repeat(2,1fr)}
  .stats-in{grid-template-columns:repeat(2,1fr);gap:22px}
  .about2,.contact2{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
  .hero{min-height:430px}
}
[dir=rtl] .menu{right:auto;left:-100%;border-right:1px solid var(--line);border-left:none}
[dir=rtl] .menu.open{left:0}