:root{color:#18312b;background:#f4f6f2;font-family:Microsoft YaHei,PingFang SC,Arial,sans-serif;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea,select{font:inherit}.site-header{position:sticky;top:0;z-index:20;min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:13px clamp(24px,6vw,112px);background:#fafbf8f0;border-bottom:1px solid rgba(23,52,43,.12);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:12px;min-width:265px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;color:#fff;background:#176553;box-shadow:inset 0 -5px #0000001a;font-size:14px;font-weight:800;letter-spacing:1px}.brand strong,.brand small{display:block}.brand strong{font-size:16px;line-height:1.35}.brand small{color:#718078;font-size:10px;letter-spacing:1.2px}nav{display:flex;gap:32px;flex-wrap:wrap}nav a{position:relative;min-height:42px;display:inline-flex;align-items:center;padding:9px 0;color:#3d514a;font-size:16px;font-weight:800}nav a:after{position:absolute;right:0;bottom:1px;left:0;height:2px;background:#bfdd72;content:"";transform:scaleX(0);transform-origin:left;transition:transform .18s ease}nav a.active,nav a:hover{color:#176553}nav a.active:after,nav a:hover:after{transform:scaleX(1)}.hero{position:relative;min-height:670px;display:grid;align-items:end;overflow:hidden;color:#fff}.hero.is-loading{background:#173f35}.hero>img,.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.hero>img{object-fit:cover;object-position:center}.hero-overlay{background:linear-gradient(90deg,#081c17e0,#09221c9e 43%,#0a1f1a1f 75%)}.hero-copy{position:relative;z-index:1;width:min(770px,100%);padding:92px clamp(24px,9vw,142px) 170px}.eyebrow,.kicker{margin:0 0 14px;color:#cbe889;font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase}.hero h1,.page h1{margin:0;letter-spacing:0}.hero h1{max-width:680px;margin-bottom:22px;font-size:64px;line-height:1.13}.hero-copy>p:not(.eyebrow){max-width:620px;margin:0;color:#edf4ef;font-size:17px;line-height:1.8}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;cursor:pointer;padding:10px 20px;font-weight:800;transition:background .18s ease,border-color .18s ease,transform .18s ease}.button:hover{transform:translateY(-1px)}.primary{color:#17342a;background:#c3e77d}.primary:hover{background:#d7f09f}.secondary{border-color:#ffffffbd;color:#fff;background:#0a1e1929}.secondary:hover{background:#ffffff1f}.hero-metrics{position:absolute;right:clamp(24px,8vw,126px);bottom:0;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(145px,1fr));width:min(870px,73vw);background:#113a2ff0;border-top:3px solid #c3e77d}.hero-metrics div{padding:19px 23px;border-left:1px solid rgba(255,255,255,.14)}.hero-metrics div:first-child{border-left:0}.hero-metrics b,.hero-metrics span{display:block}.hero-metrics b{font-size:17px;letter-spacing:.2px}.hero-metrics span{color:#d3e2da;font-size:12px}.band,.section,.split-section,footer{padding-right:clamp(24px,9vw,142px);padding-left:clamp(24px,9vw,142px)}.band{padding-top:94px;padding-bottom:94px}.intro{display:grid;grid-template-columns:minmax(260px,.86fr) 1.14fr;gap:80px;align-items:start;background:#e4ebe5}.intro h2,.section h2{margin:0;font-size:42px;line-height:1.3;letter-spacing:0}.intro>p{max-width:710px;margin:32px 0 0;color:#52645c;font-size:17px;line-height:1.9}.section{padding-top:96px;padding-bottom:96px}.section-title{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;margin-bottom:35px}.section-title .kicker{grid-column:1 / -1}.section-title>a,.text-link{color:#176553;font-size:14px;font-weight:800}.section-title>a span{padding-left:4px}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.category-card{min-height:266px;display:flex;flex-direction:column;align-items:flex-start;padding:26px;border:1px solid #dfe7df;background:#fff;box-shadow:0 9px 24px #15382d0a;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.category-card:hover{border-color:#a8cdb5;box-shadow:0 15px 30px #15382d17;transform:translateY(-3px)}.category-card>span,.application-grid article>span{color:#579361;font-weight:800;letter-spacing:1px}.category-card h3{margin:32px 0 12px;font-size:22px;letter-spacing:0}.category-card p{margin:0;color:#65756e;font-size:14px}.category-card a{margin-top:auto;padding-top:21px;color:#176553;font-size:14px;font-weight:800}.split-section{display:grid;grid-template-columns:1.02fr .98fr;align-items:stretch;background:#173f35;color:#fff}.supply-image{min-height:470px;background:#214c40}.split-section img{width:100%;height:470px;object-fit:cover}.split-section>div:not(.supply-image){display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:64px clamp(28px,6vw,92px)}.split-section h2{margin:0 0 20px;font-size:46px;line-height:1.2;letter-spacing:0}.split-section p:not(.kicker){margin:0 0 25px;color:#d3e0d8;line-height:1.85}.split-section .supply-cta{min-width:184px;min-height:50px;font-size:16px}.page{max-width:1480px;margin:0 auto}.page h1{margin-bottom:16px;font-size:58px;line-height:1.16}.page-lead{max-width:730px;margin:0;color:#63736b;font-size:17px;line-height:1.8}.filter-row{display:flex;flex-wrap:wrap;gap:9px;margin:38px 0}.filter-row a{border:1px solid #c9d5cb;padding:9px 15px;color:#43534c;font-size:14px;font-weight:700;transition:background .18s ease,border-color .18s ease,color .18s ease}.filter-row a.active,.filter-row a:hover{border-color:#176553;color:#fff;background:#176553}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-card{overflow:hidden;border:1px solid #dce5dd;background:#fff;transition:box-shadow .18s ease,transform .18s ease}.product-card:hover{box-shadow:0 16px 32px #15382d1a;transform:translateY(-3px)}.product-card>img{width:100%;height:235px;padding:18px;background:#eef2ed;object-fit:contain}.product-card>div{padding:23px}.product-card h2{margin:13px 0 10px;font-size:24px;letter-spacing:0}.product-card p{min-height:68px;margin:0;color:#65756e;font-size:14px}.pill{display:inline-flex;padding:3px 8px;color:#176553;background:#e8f1e5;font-size:12px;font-weight:800}.product-meta{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0;color:#53665d;font-size:12px}.product-meta span{padding:3px 7px;background:#f0f3ef}.product-card a{color:#176553;font-size:14px;font-weight:800}.breadcrumb{display:flex;gap:10px;margin-bottom:27px;color:#66776f;font-size:14px}.breadcrumb a{color:#176553;font-weight:700}.detail{padding-top:56px}.detail-hero{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid #dce5dd;background:#fff}.detail-hero>img{width:100%;min-height:480px;padding:42px;background:#edf2ed;object-fit:contain}.detail-hero>div{padding:clamp(34px,5vw,78px)}.detail-hero h1{font-size:52px}.detail-hero p:not(.kicker){color:#62746b}.detail-hero dl{margin:28px 0;border-top:1px solid #dce5dd}.detail-hero dl div{display:grid;grid-template-columns:104px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid #e8ede8}.detail-hero dt{color:#63746c;font-size:14px}.detail-hero dd{margin:0}.detail-guidance{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.detail-guidance article{padding:31px;border-top:3px solid #b9dc72;background:#e5ece6}.detail-guidance h2{margin:0 0 14px;font-size:25px}.detail-guidance ul{margin:0;padding-left:20px;color:#4e6158}.detail-guidance li+li{margin-top:8px}.detail-guidance article>p:not(.kicker){margin:0;color:#4e6158}.detail-section{padding:70px 0}.detail-section h2{margin-bottom:23px;font-size:30px}.product-grid.small{grid-template-columns:repeat(3,minmax(0,1fr))}.prose{max-width:1240px;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.9fr);gap:42px 60px;align-items:start}.prose h2{margin:43px 0 16px;font-size:30px}.prose p{color:#53655d;font-size:17px}.about-heading h2{margin-top:42px;font-size:34px}.about-heading p:last-child{max-width:650px;line-height:1.9}.about-visual{padding-top:36px}.about-visual img{width:100%;min-height:330px;object-fit:cover}.about-visual p{margin:14px 0 0;color:#64756d;font-size:14px}.about-scope{grid-column:1 / -1;display:grid;grid-template-columns:.86fr 1.14fr;gap:52px;padding:34px;border-top:3px solid #b9dc72;background:#e5ece6}.about-scope h2{margin:0 0 12px}.about-scope p{margin:0}.scope-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:center}.scope-list span{padding:14px 16px;border-left:3px solid #76a65f;background:#fff;color:#234238;font-size:15px;font-weight:800}.application-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:38px}.application-grid article{min-height:220px;padding:28px;border-top:3px solid #b9dc72;background:#e7ede7}.application-grid h2{margin:34px 0 8px;font-size:23px}.application-grid p{color:#64756d;font-size:14px}.contact{display:grid;grid-template-columns:.82fr 1.18fr;gap:74px}.contact-info{display:grid;gap:11px;margin-top:35px;color:#5d6f66}.contact-info span{padding-bottom:10px;border-bottom:1px solid #d8e1d9}.contact form{display:grid;grid-template-columns:1fr 1fr;align-self:start;gap:16px;padding:32px;border-top:4px solid #b9dc72;background:#e4ebe5}.contact label{display:grid;gap:8px;font-size:14px;font-weight:800}.contact .wide,.form-status{grid-column:1 / -1}.contact input,.contact textarea,.contact select{width:100%;border:1px solid #c9d5cb;padding:11px;color:#172b24;background:#fff}.contact input:focus,.contact textarea:focus,.contact select:focus{outline:2px solid rgba(85,142,93,.32);outline-offset:1px;border-color:#579361}.contact textarea{resize:vertical}.honeypot{position:absolute;left:-9999px}.form-status{min-height:24px;margin:0;color:#176553;font-size:14px}.quick-inquiry .button{grid-column:1 / -1;width:min(295px,100%)}footer{display:grid;grid-template-columns:1fr 1fr;gap:42px;padding-top:50px;padding-bottom:50px;background:#102f26;color:#edf4ee}footer p,footer span,.footer-meta a{color:#b8c9c0;font-size:13px}footer span{display:block;margin-bottom:6px}.footer-meta{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding-top:18px;border-top:1px solid rgba(184,201,192,.2)}.footer-meta a:hover{color:#d7f09f}.footer-meta>a,.footer-meta>span{display:inline-flex;align-items:center;min-height:18px;margin:0;line-height:18px}.police-beian{gap:6px}.police-beian img{width:16px;height:16px;flex:0 0 16px;object-fit:contain}@media(max-width:1100px){.hero h1{font-size:54px}.intro h2,.section h2{font-size:38px}.split-section h2{font-size:40px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.site-header{align-items:flex-start;flex-direction:column;gap:6px}.site-header nav{gap:18px}.hero{min-height:660px}.hero-copy{padding-bottom:214px}.hero-metrics{right:24px;bottom:0;left:24px;width:auto}.intro,.split-section,.detail-hero,.contact{grid-template-columns:1fr;gap:32px}.intro{gap:10px}.split-section img{height:330px}.detail-hero>img{min-height:340px;max-height:420px}.product-grid,.product-grid.small,.application-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.contact form{grid-template-columns:1fr}.contact .wide,.form-status{grid-column:auto}.detail-guidance,.prose,.about-scope{grid-template-columns:1fr}.about-visual{padding-top:0}}@media(max-width:580px){.site-header{padding:11px 18px}.brand{min-width:0}.brand strong{font-size:14px}.site-header nav{gap:17px}nav a{min-height:39px;font-size:15px}.hero{min-height:630px}.hero-copy{padding:58px 22px 205px}.hero h1{font-size:40px}.hero-copy>p:not(.eyebrow),.page-lead{font-size:15px}.hero-metrics{grid-template-columns:1fr 1fr;right:12px;left:12px}.hero-metrics div{padding:12px}.band,.section,.split-section,footer{padding-right:22px;padding-left:22px}.band,.section{padding-top:60px;padding-bottom:60px}.intro h2,.section h2{font-size:32px}.page h1{font-size:42px}.category-grid,.product-grid,.product-grid.small,.application-grid{grid-template-columns:1fr}.split-section>div{padding:46px 22px}.split-section h2{font-size:34px}.product-card>img{height:230px}.detail{padding-top:34px}.detail-hero>div{padding:30px 22px}.detail-hero h1{font-size:40px}.detail-hero dl div{grid-template-columns:1fr;gap:3px}.product-card p{min-height:0}footer{grid-template-columns:1fr;gap:18px}}