:root{
  --green:#1a5da6; --green-d:#123c6e; --green-l:#3a7fc1; --green-x:#e9f1fa;
  --leaf:#2f9c5f; --leaf-x:#e8f4ec;
  --blue:#0e5f96; --blue-l:#1d7cb8; --red:#c81e1e;
  --ink:#12211a; --ink-2:#41534a; --ink-3:#7b8c83;
  --bg:#f6f9fc; --white:#fff; --line:#e0e9f0;
  --shadow:0 10px 30px rgba(16,48,80,.08); --shadow-lg:0 24px 60px rgba(12,42,70,.16);
  --r:18px; --r-s:10px; --max:1220px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
/* 顶部信息条 */
.topbar{background:var(--green-d);color:#cfe8d9;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px;flex-wrap:wrap}
.topbar b{color:#fff;font-weight:600}
.topbar .tb-right{display:flex;gap:18px;align-items:center}
/* 头部 */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .mark{width:48px;height:48px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:#fff;box-shadow:0 4px 14px rgba(26,93,166,.22)}
.brand .mark img{width:100%;height:100%;object-fit:contain}
.brand .bt{line-height:1.25}
.brand .bt strong{display:block;font-size:18px;letter-spacing:.5px;color:var(--ink)}
.brand .bt span{font-size:11px;color:var(--ink-3);letter-spacing:2.4px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px}
.nav>li{position:relative;list-style:none}
.nav>li>a{display:block;padding:10px 15px;font-size:15.5px;font-weight:500;color:var(--ink-2);border-radius:9px;transition:.2s;white-space:nowrap}
.nav>li>a:hover,.nav>li.active>a{color:var(--green);background:var(--green-x)}
.drop{position:absolute;top:100%;left:0;min-width:170px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.22s;list-style:none}
.nav>li:hover .drop{opacity:1;visibility:visible;transform:translateY(4px)}
.drop a{display:block;padding:9px 14px;border-radius:8px;font-size:14.5px;color:var(--ink-2)}
.drop a:hover{background:var(--green-x);color:var(--green)}
.hbtn{background:var(--green);color:#fff;padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:600;transition:.22s;white-space:nowrap;box-shadow:0 8px 20px rgba(20,113,63,.24)}
.hbtn:hover{background:var(--green-d);transform:translateY(-1px)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;position:relative}
.burger i,.burger i::before,.burger i::after{position:absolute;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--ink);border-radius:2px;content:""}
.burger i{top:50%;margin-top:-1px}
.burger i::before{top:-6px}.burger i::after{top:6px}
/* 首屏 */
.hero{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,#0d3a66,#1a5da6 55%,#2e7d54)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;transform:scale(1.04);animation:kb 22s ease-in-out infinite alternate}
@keyframes kb{to{transform:scale(1.14) translateY(-10px)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,38,22,.92) 0%,rgba(8,46,28,.74) 42%,rgba(10,60,40,.28) 100%)}
.hero .wrap{position:relative;z-index:3;padding-top:70px;padding-bottom:70px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#e6f5ec;font-size:13.5px;padding:7px 16px;border-radius:999px;backdrop-filter:blur(4px);margin-bottom:22px}
.hero-badge em{width:7px;height:7px;border-radius:50%;background:#6ee7a8;box-shadow:0 0 0 4px rgba(110,231,168,.25)}
.hero h1{color:#fff;font-size:clamp(30px,4.4vw,54px);line-height:1.24;letter-spacing:.5px;font-weight:800;margin-bottom:20px;max-width:16em}
.hero h1 span{color:#8ee3b0}
.hero p{color:#d6ebe0;font-size:clamp(15px,1.35vw,18px);max-width:44em;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:999px;font-size:15.5px;font-weight:600;transition:.24s}
.btn-p{background:#fff;color:var(--green-d);box-shadow:0 12px 30px rgba(0,0,0,.18)}
.btn-p:hover{transform:translateY(-2px)}
.btn-o{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-o:hover{background:rgba(255,255,255,.14)}
.hero-metrics{position:relative;z-index:3;margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;border-top:1px solid rgba(255,255,255,.2);padding-top:26px}
.hm b{display:block;color:#fff;font-size:clamp(22px,2.6vw,34px);font-weight:800;letter-spacing:-.5px}
.hm b i{font-size:.5em;font-style:normal;font-weight:600;color:#9fe0bd;margin-left:2px}
.hm span{color:#bcd8c9;font-size:13.5px}
/* 通用 */
section{padding:88px 0}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2.4px;color:var(--green);background:var(--green-x);padding:6px 14px;border-radius:999px;margin-bottom:16px;text-transform:uppercase}
.sec-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;letter-spacing:.4px;margin-bottom:14px;font-weight:800}
.sec-head p{color:var(--ink-2);font-size:16.5px}
.alt{background:#fff}
/* 关于 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-copy p{color:var(--ink-2);margin-bottom:18px;font-size:16.3px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tags span{background:var(--green-x);color:var(--green-d);font-size:13.5px;font-weight:600;padding:7px 15px;border-radius:999px}
.about-visual{position:relative}
.about-visual .main{border-radius:var(--r);box-shadow:var(--shadow-lg);overflow:hidden;aspect-ratio:4/3;background:var(--green-x)}
.about-visual .main img{width:100%;height:100%;object-fit:cover}
.about-visual .card{position:absolute;right:-14px;bottom:-26px;background:#fff;border-radius:14px;padding:18px 22px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.about-visual .card b{display:block;font-size:26px;color:var(--green);font-weight:800}
.about-visual .card span{font-size:13px;color:var(--ink-3)}
.mvv{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:64px}
.mvv div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 30px;position:relative;overflow:hidden}
.mvv div::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--green-l),var(--green-d))}
.mvv h4{font-size:16px;color:var(--green);letter-spacing:1.6px;margin-bottom:10px}
.mvv p{color:var(--ink-2);font-weight:600;font-size:17px}
/* 产品 */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cfe6d8}
.prod .ph{height:190px;background:linear-gradient(135deg,#e9f1fa,#e2f2e8);position:relative;overflow:hidden}
.prod .ph img{width:100%;height:100%;object-fit:cover}
.prod .ph .idx{position:absolute;left:18px;top:16px;background:rgba(12,79,44,.86);color:#fff;font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:1px}
.prod .pb{padding:26px;flex:1;display:flex;flex-direction:column}
.prod h3{font-size:20px;margin-bottom:12px}
.prod p{color:var(--ink-2);font-size:15.2px;flex:1}
.prod ul{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.prod ul li{list-style:none;font-size:13px;background:var(--bg);border:1px solid var(--line);color:var(--ink-2);padding:5px 12px;border-radius:999px}
/* 数据条 */
.tech{background:linear-gradient(135deg,#123c6e,#1a5da6 60%,#2e7d54);color:#fff;border-radius:26px;padding:52px 46px;display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;box-shadow:var(--shadow-lg)}
.tech h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:16px;line-height:1.35}
.tech p{color:#cfe6d9;font-size:16px}
.tech-stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.tech-stats div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:18px 20px;backdrop-filter:blur(3px)}
.tech-stats b{display:block;font-size:26px;font-weight:800}
.tech-stats span{font-size:13px;color:#bfdccd}
/* 新闻 */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.tab{background:#fff;border:1px solid var(--line);color:var(--ink-2);padding:9px 20px;border-radius:999px;font-size:14.5px;font-weight:600;cursor:pointer;transition:.2s}
.tab.active,.tab:hover{background:var(--green);border-color:var(--green);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.26s;display:flex;flex-direction:column}
.news:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news .nimg{height:172px;background:var(--green-x);overflow:hidden}
.news .nimg img{width:100%;height:100%;object-fit:cover;transition:.5s}
.news:hover .nimg img{transform:scale(1.06)}
.news .nb{padding:22px;flex:1;display:flex;flex-direction:column;gap:10px}
.news .meta{display:flex;align-items:center;gap:10px;font-size:12.8px;color:var(--ink-3)}
.news .meta em{font-style:normal;background:var(--green-x);color:var(--green);font-weight:700;padding:3px 10px;border-radius:6px}
.news h3{font-size:17px;line-height:1.5;font-weight:700}
.news p{color:var(--ink-2);font-size:14.6px;flex:1}
.news .more{color:var(--green);font-size:14px;font-weight:700}
/* 公告 */
.notice-list{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.notice{display:grid;grid-template-columns:96px 1fr auto;gap:18px;align-items:center;padding:20px 26px;border-bottom:1px solid var(--line);transition:.2s}
.notice:last-child{border-bottom:0}
.notice:hover{background:var(--green-x)}
.notice .d{text-align:center;border-right:1px solid var(--line);padding-right:12px}
.notice .d b{display:block;font-size:22px;color:var(--green);font-weight:800;line-height:1.1}
.notice .d span{font-size:12px;color:var(--ink-3)}
.notice h4{font-size:16.2px;font-weight:600;line-height:1.55}
.notice h4 .tag{display:inline-block;background:var(--red);color:#fff;font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:5px;margin-right:8px;vertical-align:2px}
.notice .go{color:var(--ink-3);font-size:13px}
/* 荣誉 */
.honor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.honor{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:zoom-in;transition:.24s}
.honor:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe6d8}
.honor img{width:100%;aspect-ratio:4/3;object-fit:cover}
.honor span{display:block;padding:12px 14px;font-size:13px;color:var(--ink-2);line-height:1.5;height:66px;overflow:hidden}
.lightbox{position:fixed;inset:0;background:rgba(6,26,16,.9);display:none;place-items:center;z-index:200;padding:40px}
.lightbox.on{display:grid}
.lightbox img{max-width:min(1100px,92vw);max-height:82vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox .cap{color:#dbece2;text-align:center;margin-top:16px;font-size:15px}
.lightbox .x{position:absolute;top:26px;right:34px;color:#fff;font-size:30px;cursor:pointer;line-height:1}
/* 历程 */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--green-l),var(--blue-l))}
.tl{position:relative;padding:0 0 30px 8px}
.tl::before{content:"";position:absolute;left:-33px;top:7px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--green);box-shadow:0 0 0 4px var(--green-x)}
.tl b{display:inline-block;font-size:15px;font-weight:800;color:var(--green);background:var(--green-x);padding:3px 12px;border-radius:8px;margin-bottom:6px}
.tl p{color:var(--ink-2);font-size:15.4px}
/* 联系 */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px}
.info{display:grid;gap:16px}
.info div{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;background:var(--bg);border:1px solid var(--line);border-radius:14px}
.info .ic{width:42px;height:42px;border-radius:11px;background:var(--green-x);color:var(--green);display:grid;place-items:center;font-size:19px;flex-shrink:0}
.info strong{display:block;font-size:12.6px;color:var(--ink-3);letter-spacing:1.4px;margin-bottom:3px}
.info span{font-size:15.6px;font-weight:600;color:var(--ink)}
.map{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);min-height:420px;background:linear-gradient(160deg,var(--green-x),#e4eef7);display:grid;place-items:center;text-align:center;padding:30px}
.map .pin{font-size:40px}
.map h4{font-size:19px;margin:12px 0 8px}
.map p{color:var(--ink-2);font-size:14.5px;max-width:24em}
/* 页脚 */
footer{background:#0d2338;color:#a9bfd2;padding:64px 0 26px;font-size:14.6px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
footer h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:1px}
footer a:hover{color:#8fc3ef}
.f-links{display:grid;gap:11px}
.f-brand .mark{width:44px;height:44px;border-radius:50%;overflow:hidden;margin-bottom:16px}.f-brand .mark img{width:100%;height:100%;object-fit:contain}
.f-brand p{max-width:30em;line-height:1.8}
.f-qr{width:104px;height:104px;border-radius:10px;background:#fff;display:grid;place-items:center;color:#0b2418;font-size:12.5px;text-align:center;padding:8px;line-height:1.4}
.f-bot{display:flex;justify-content:space-between;gap:16px;padding-top:22px;font-size:13.2px;color:#8aa89a;flex-wrap:wrap}
/* 文章页 */
.art-hero{background:linear-gradient(135deg,#123c6e,#1a5da6 60%,#2e7d54);color:#fff;padding:64px 0 54px}
.art-hero .meta{font-size:13.6px;color:#bfdccd;display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.art-hero h1{font-size:clamp(24px,3vw,38px);line-height:1.35;max-width:24em;font-weight:800}
.crumb{font-size:13.4px;color:#bfdccd;margin-bottom:18px}
.crumb a:hover{color:#fff}
.art-body{background:#fff;max-width:900px;margin:-34px auto 0;border-radius:var(--r);box-shadow:var(--shadow-lg);padding:52px;position:relative}
.art-body p{margin-bottom:20px;font-size:16.8px;color:#22322a;line-height:1.95}
.art-body img{border-radius:12px;margin:22px 0;box-shadow:var(--shadow)}
.art-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.rel{display:grid;gap:10px}
.rel a{font-size:15px;color:var(--ink-2)}
.rel a:hover{color:var(--green)}
/* 列表页 */
.list-hero{background:linear-gradient(135deg,#123c6e,#1a5da6 60%,#2e7d54);color:#fff;padding:60px 0}
.list-hero h1{font-size:32px;margin-bottom:10px}
.list-hero p{color:#cfe6d9}
.toolbar{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:26px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px}
.toolbar input{flex:1;min-width:220px;border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-size:15px;font-family:inherit;outline:none}
.toolbar input:focus{border-color:var(--green-l);box-shadow:0 0 0 3px var(--green-x)}
.rows{display:grid;gap:12px}
.row{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 24px;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;transition:.2s}
.row:hover{border-color:#cfe6d8;box-shadow:var(--shadow);transform:translateX(3px)}
.row h3{font-size:16.6px;font-weight:600;margin-bottom:6px}
.row .m{font-size:13px;color:var(--ink-3);display:flex;gap:12px}
.row .m em{font-style:normal;background:var(--green-x);color:var(--green);font-weight:700;padding:2px 9px;border-radius:6px}
.pager{display:flex;gap:8px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.pager button{border:1px solid var(--line);background:#fff;min-width:40px;height:40px;border-radius:10px;cursor:pointer;font-family:inherit;font-size:14.5px;color:var(--ink-2)}
.pager button.active{background:var(--green);border-color:var(--green);color:#fff;font-weight:700}
.empty{text-align:center;padding:60px;color:var(--ink-3);background:#fff;border:1px dashed var(--line);border-radius:14px}
/* 返回顶部 */
.top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:14px;background:var(--green);color:#fff;border:0;cursor:pointer;display:none;place-items:center;box-shadow:var(--shadow-lg);z-index:150;font-size:18px}
.top.on{display:grid}
/* 动效 */
.rv{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
@media(max-width:1080px){
  .honor-grid{grid-template-columns:repeat(4,1fr)}
  .news-grid,.prod-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid,.tech{grid-template-columns:1fr;gap:34px}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .nav,.hbtn{display:none}
  .burger{display:block}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px;gap:2px;box-shadow:var(--shadow);align-items:stretch;max-height:70vh;overflow:auto}
  .nav.open .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding-left:12px}
  .hero-metrics,.tech-stats{grid-template-columns:1fr 1fr}
  .news-grid,.prod-grid,.honor-grid{grid-template-columns:1fr 1fr}
  .art-body{padding:30px 22px;margin-top:-20px}
  section{padding:60px 0}
  .notice{grid-template-columns:auto 1fr;gap:12px}
  .notice .go{display:none}
}
@media(max-width:560px){
  .news-grid,.prod-grid,.honor-grid,.f-grid,.mvv{grid-template-columns:1fr}
  .topbar .tb-right{display:none}
}

/* 正文图片组 */
.img-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:14px 0}
.img-grid img{margin:0}
.art-body .img-grid img{margin:0}