*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
 background:#FFFFFF;color:#003300;line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s}
ul,ol{list-style:none}
h1,h2,h3,h4{font-weight:700;line-height:1.4}
em,i{font-style:normal}
.wrap{width:1200px;max-width:100%;margin:0 auto;padding:0 15px}
.clr{clear:both}
:root{--pri:#006633;--sec:#66CC33;--acc:#FFCC00;--ink:#003300;--muted:#66CC33;--soft:#FFCC00;--bg:#FFFFFF}

/* ================= header ================= */
.topbar{background:var(--pri);color:#FFFFFF;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;flex-wrap:wrap}
.topbar span{opacity:.9}
.topbar b{font-weight:600;letter-spacing:.5px}
.hd{background:#FFFFFF;border-bottom:1px solid rgba(128,128,128,.18);position:sticky;top:0;z-index:99}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:10px}
.logo .l1{width:44px;height:44px;border-radius:8px;background:linear-gradient(135deg,var(--pri),var(--sec));
 color:#FFFFFF;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 auto}
.logo .l2 strong{display:block;font-size:19px;letter-spacing:1px;color:var(--pri);line-height:1.25}
.logo .l2 em{display:block;font-size:12px;color:var(--muted);letter-spacing:1px}
.nav{display:flex;gap:4px}
.nav a{display:block;padding:10px 16px;font-size:15px;border-radius:6px;position:relative;white-space:nowrap}
.nav a:hover,.nav a.on{color:var(--pri)}
.nav a.on::after,.nav a:hover::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;background:var(--pri)}
.hdtel{font-size:13px;color:var(--muted);text-align:right;line-height:1.5}
.hdtel b{display:block;font-size:19px;color:var(--acc);letter-spacing:.5px}
.mbtn{display:none;width:42px;height:36px;border:1px solid rgba(128,128,128,.3);border-radius:6px;
 background:none;cursor:pointer;position:relative}
.mbtn i{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);display:block}
.mbtn i:nth-child(1){top:12px}.mbtn i:nth-child(2){top:17px}.mbtn i:nth-child(3){top:22px}

/* ================= banner ================= */
.hero{position:relative;height:440px;overflow:hidden;background:var(--pri)}
.hero .sl{position:absolute;inset:0;opacity:0;transition:opacity .8s}
.hero .sl.on{opacity:1}
.hero .sl img{width:100%;height:100%;object-fit:cover}
.hero .mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.62),rgba(0,0,0,.25))}
.hero .txt{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);color:#fff}
.hero .txt h1{font-size:38px;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.4);font-weight:700}
.hero .txt p{font-size:17px;opacity:.94;max-width:640px}
.hero .txt .btn{margin-top:22px;display:inline-block;padding:12px 32px;border-radius:30px;
 background:var(--acc);color:#fff;font-size:15px;border:1px solid transparent}
.hero .dot{position:absolute;left:0;right:0;bottom:22px;text-align:center;z-index:3}
.hero .dot b{display:inline-block;width:26px;height:4px;border-radius:2px;background:rgba(255,255,255,.5);margin:0 4px;cursor:pointer}
.hero .dot b.on{background:var(--acc);width:38px}

.pbanner{height:210px;position:relative;overflow:hidden;background:var(--pri)}
.pbanner img{width:100%;height:100%;object-fit:cover;opacity:.5}
.pbanner .pbtxt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff}
.pbanner h2{font-size:30px;letter-spacing:2px}
.pbanner p{font-size:14px;opacity:.9;margin-top:6px}

/* ================= 通用标题 ================= */
.ttl{text-align:center;padding:56px 0 34px}
.ttl h2{font-size:28px;color:var(--pri);letter-spacing:1px}
.ttl p{color:var(--muted);font-size:13px;letter-spacing:2px;margin-top:6px;text-transform:uppercase}

/* ================= 优势 ================= */
.adv{background:var(--soft);padding:54px 0}
.adv .row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adv li{background:#FFFFFF;padding:26px 20px;border-radius:10px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.05);
 transition:transform .25s}
.adv li:hover{transform:translateY(-6px)}
.adv b{display:block;width:52px;height:52px;margin:0 auto 14px;border-radius:50%;
 background:linear-gradient(135deg,var(--pri),var(--sec));color:#FFFFFF;font-size:20px;line-height:52px}
.adv strong{display:block;font-size:16px;margin-bottom:6px}
.adv em{color:var(--muted);font-size:13px;line-height:1.7}

/* ================= 关于 ================= */
.abt{padding:60px 0}
.abt .row{display:grid;grid-template-columns:460px 1fr;gap:44px;align-items:center}
.abt .pic img{border-radius:10px;box-shadow:0 8px 26px rgba(0,0,0,.09)}
.abt h2{font-size:26px;color:var(--pri);margin-bottom:16px}
.abt p{color:var(--muted);margin-bottom:14px;text-align:justify}
.abt .more{margin-top:16px;display:inline-block;padding:11px 30px;border:1px solid var(--pri);color:var(--pri);border-radius:24px}
.abt .more:hover{background:var(--pri);color:#FFFFFF}

/* ================= 卡片网格 ================= */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-bottom:20px}
.card{background:#FFFFFF;border:1px solid rgba(128,128,128,.16);border-radius:10px;overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:0 10px 26px rgba(0,0,0,.1);border-color:var(--pri)}
.card .img{position:relative;padding-top:72%;overflow:hidden;background:var(--soft)}
.card .img img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .img img{transform:scale(1.07)}
.card .tx{padding:14px 15px 18px}
.card .tx h3{font-size:15px;line-height:1.5;height:44px;overflow:hidden;margin-bottom:8px}
.card:hover .tx h3{color:var(--pri)}
.card .tx em{font-size:12.5px;color:var(--muted);display:block;height:40px;overflow:hidden}
.card .tx span{display:block;margin-top:10px;font-size:12px;color:var(--acc)}

/* ================= 首页新闻 ================= */
.nw{background:var(--soft);padding:60px 0}
.nw .row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.nw li{background:#FFFFFF;border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.nw li .img{height:190px;overflow:hidden}
.nw li .img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.nw li:hover .img img{transform:scale(1.07)}
.nw li .tx{padding:18px;flex:1}
.nw li time{font-size:12px;color:var(--muted)}
.nw li h3{font-size:16px;margin:8px 0 10px;line-height:1.5}
.nw li p{font-size:13.5px;color:var(--muted);height:60px;overflow:hidden}

.cta{background:linear-gradient(120deg,var(--pri),var(--sec));color:#FFFFFF;padding:46px 0;text-align:center}
.cta h2{font-size:26px;margin-bottom:10px}
.cta p{opacity:.92;margin-bottom:20px}
.cta a{display:inline-block;padding:12px 36px;background:#FFFFFF;color:var(--pri);border-radius:30px;font-weight:600}

/* ================= 内页布局 ================= */
.crumb{background:var(--soft);border-bottom:1px solid rgba(128,128,128,.12)}
.crumb .wrap{padding:14px 15px;font-size:13.5px;color:var(--muted)}
.crumb a:hover{color:var(--pri)}
.body{padding:44px 0 60px}
.body .row{display:grid;grid-template-columns:270px 1fr;gap:34px}
.side h4{font-size:16px;padding:12px 16px;background:var(--pri);color:#FFFFFF;border-radius:8px 8px 0 0}
.side ul{border:1px solid rgba(128,128,128,.16);border-radius:0 0 8px 8px;padding:8px 0;margin-bottom:22px;background:#FFFFFF}
.side ul li a{display:block;padding:10px 16px;font-size:14px;border-left:3px solid transparent}
.side ul li a:hover,.side ul li a.on{color:var(--pri);border-left-color:var(--acc);background:var(--soft)}
.side .rec li{border-bottom:1px dashed rgba(128,128,128,.2)}
.side .rec li:last-child{border:0}
.side .rec a{display:flex;gap:10px;align-items:center;padding:10px 14px}
.side .rec img{width:64px;height:48px;object-fit:cover;border-radius:4px;flex:0 0 auto}
.side .rec em{font-size:12.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side .ct{background:var(--soft);border-radius:8px;padding:18px;font-size:13.5px;color:var(--muted)}
.side .ct b{display:block;color:var(--pri);font-size:20px;margin:6px 0}

.pcon{padding:30px 0 44px}
.pcon h1{font-size:24px;color:var(--pri);margin-bottom:10px;line-height:1.5}
.pcon .meta{font-size:13px;color:var(--muted);border-bottom:1px solid rgba(128,128,128,.16);padding-bottom:12px;margin-bottom:20px}
.pcon .picbig{margin-bottom:22px}
.pcon .picbig img{border-radius:10px;width:100%}
.pcon p{text-align:justify;margin-bottom:14px;color:#003300;opacity:.88}
.pcon h2{font-size:19px;margin:26px 0 12px;padding-left:11px;border-left:4px solid var(--acc);color:var(--pri)}
.pcon h3{font-size:16px;margin:20px 0 10px;color:var(--pri)}
.pcon ul.pl li{position:relative;padding-left:20px;margin-bottom:9px;color:#003300;opacity:.88}
.pcon ul.pl li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--acc)}
.tb{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14px}
.tb th,.tb td{border:1px solid rgba(128,128,128,.2);padding:10px 14px;text-align:left}
.tb th{background:var(--soft);color:var(--pri);font-weight:600;width:32%}
.tb tr:nth-child(even) td{background:rgba(128,128,128,.04)}
.rel{margin-top:34px}
.rel .g3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pn{display:flex;justify-content:space-between;gap:14px;border-top:1px solid rgba(128,128,128,.16);
 margin-top:26px;padding-top:16px;font-size:14px}
.pn a{color:var(--muted)}
.pn a:hover{color:var(--pri)}
.pagebox{text-align:center;padding:26px 0 6px}
.pagebox a,.pagebox span{display:inline-block;padding:8px 14px;margin:0 3px;border:1px solid rgba(128,128,128,.2);
 border-radius:6px;font-size:14px;color:var(--muted)}
.pagebox a:hover,.pagebox span.on{background:var(--pri);color:#FFFFFF;border-color:var(--pri)}

/* ================= 联系 ================= */
.ctbox{padding:44px 0 60px}
.ctbox .row{display:grid;grid-template-columns:1fr 420px;gap:36px}
.ctbox ol li{margin-bottom:16px;padding-left:14px;border-left:3px solid var(--acc)}
.ctbox ol li b{display:block;color:var(--pri);font-size:15px}
.ctbox ol li em{color:var(--muted);font-size:14px}
.frm{background:var(--soft);padding:26px;border-radius:10px}
.frm input,.frm textarea{width:100%;padding:11px 13px;border:1px solid rgba(128,128,128,.25);
 border-radius:6px;font-size:14px;font-family:inherit;background:#FFFFFF;color:#003300;margin-bottom:13px}
.frm textarea{height:110px;resize:vertical}
.frm button{width:100%;padding:12px;background:var(--pri);color:#FFFFFF;border:0;border-radius:6px;
 font-size:15px;cursor:pointer;font-family:inherit}
.frm button:hover{background:var(--sec)}
.map{height:300px;border-radius:10px;overflow:hidden;background:var(--soft);margin-top:22px}
.map img{width:100%;height:100%;object-fit:cover}

/* ================= footer ================= */
.ft{background:var(--pri);color:#FFFFFF;padding:44px 0 0;margin-top:0}
.ft .row{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:30px;padding-bottom:30px}
.ft h4{font-size:16px;margin-bottom:14px;position:relative;padding-bottom:10px}
.ft h4::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:var(--acc)}
.ft p,.ft li{font-size:13.5px;opacity:.86;line-height:2}
.ft li a:hover{opacity:1;text-decoration:underline}
.ft .lg strong{font-size:19px;letter-spacing:1px}
.ft .lg em{font-size:12.5px;opacity:.75}
.ftbt{border-top:1px solid rgba(255,255,255,.18);padding:16px 0;text-align:center;font-size:13px;opacity:.8}
.ftbt a:hover{text-decoration:underline}

.totop{position:fixed;right:18px;bottom:24px;width:42px;height:42px;border-radius:8px;background:var(--pri);
 color:#FFFFFF;text-align:center;line-height:42px;font-size:20px;cursor:pointer;z-index:98;display:none;box-shadow:0 4px 14px rgba(0,0,0,.18)}

/* ================= 响应式 ================= */
@media(max-width:1100px){
 .wrap{width:100%}
 .grid{grid-template-columns:repeat(3,1fr)}
 .adv .row{grid-template-columns:repeat(2,1fr)}
 .abt .row{grid-template-columns:1fr}
 .body .row{grid-template-columns:1fr}
 .ctbox .row{grid-template-columns:1fr}
 .ft .row{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
 .hdtel{display:none}
 .mbtn{display:block}
 .nav{position:absolute;left:0;right:0;top:78px;background:#FFFFFF;flex-direction:column;
  box-shadow:0 8px 20px rgba(0,0,0,.12);display:none;padding:6px 0;z-index:100}
 .nav.on{display:flex}
 .nav a{padding:12px 20px;border-bottom:1px solid rgba(128,128,128,.12)}
 .nav a.on::after,.nav a:hover::after{display:none}
 .hero{height:300px}
 .hero .txt h1{font-size:23px}
 .hero .txt p{font-size:14px}
 .grid,.nw .row,.adv .row{grid-template-columns:repeat(2,1fr)}
 .rel .g3{grid-template-columns:1fr}
 .pcon h1{font-size:20px}
 .ft .row{grid-template-columns:1fr}
 .crumb{font-size:12.5px}
}
@media(max-width:560px){
 .grid,.nw .row,.adv .row{grid-template-columns:1fr}
 .topbar{text-align:center}
 .topbar .wrap{height:auto;padding:6px 0;justify-content:center}
 .hero{height:240px}
 .pbanner{height:150px}
 .pbanner h2{font-size:22px}
 .ttl{padding:34px 0 22px}
 .ttl h2{font-size:22px}
}