*{margin:0;padding:0;box-sizing:border-box}
:root{
  --cl-primary:#1a6b5a;
  --cl-primary-dark:#124d41;
  --cl-accent:#c8956d;
  --cl-bg:#faf9f6;
  --cl-text:#2c2c2c;
  --cl-text-light:#666;
  --cl-border:#e5e2dc;
  --cl-white:#fff;
}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--cl-text);
  background:var(--cl-bg);
  line-height:1.7;
  font-size:15px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

.cl-topbar{
  background:var(--cl-primary-dark);
  color:rgba(255,255,255,.85);
  font-size:12px;
  padding:6px 0;
}
.cl-topbar-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;justify-content:space-between;align-items:center;
}
.cl-topbar span{display:inline-flex;align-items:center;gap:4px}

.cl-nav{
  background:var(--cl-white);
  box-shadow:0 1px 8px rgba(0,0,0,.06);
  position:sticky;top:0;z-index:1000;
}
.cl-nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;justify-content:space-between;align-items:center;
  height:72px;
}
.cl-logo{display:flex;align-items:center;gap:10px}
.cl-logo img{height:44px;width:auto}
.cl-logo-text{
  font-family:"Noto Serif SC",serif;
  font-size:18px;font-weight:700;color:var(--cl-primary);
  letter-spacing:1px;
}
.cl-menu{display:flex;gap:8px}
.cl-menu a{
  padding:8px 18px;font-size:15px;color:var(--cl-text);
  border-radius:4px;transition:all .2s;
  font-weight:500;
}
.cl-menu a:hover,.cl-menu a.cl-active{
  color:var(--cl-primary);background:rgba(26,107,90,.08);
}
.cl-burger{
  display:none;flex-direction:column;gap:5px;cursor:pointer;
  padding:8px;
}
.cl-burger span{width:24px;height:2px;background:var(--cl-text);display:block}

.cl-hero{
  position:relative;height:520px;overflow:hidden;
}
.cl-hero img{
  width:100%;height:100%;object-fit:cover;
}
.cl-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(18,77,65,.75) 0%,rgba(26,107,90,.45) 100%);
  display:flex;align-items:center;
}
.cl-hero-content{
  max-width:1200px;margin:0 auto;padding:0 20px;width:100%;
}
.cl-hero h1{
  font-family:"Noto Serif SC",serif;
  font-size:42px;color:#fff;line-height:1.3;
  margin-bottom:16px;font-weight:700;
}
.cl-hero p{
  font-size:17px;color:rgba(255,255,255,.9);
  max-width:560px;margin-bottom:28px;
}
.cl-btn{
  display:inline-block;padding:12px 36px;
  background:var(--cl-accent);color:#fff;
  border-radius:4px;font-size:15px;
  transition:all .25s;border:none;cursor:pointer;
}
.cl-btn:hover{background:#b07d56;transform:translateY(-2px)}
.cl-btn-outline{
  background:transparent;border:1px solid rgba(255,255,255,.6);
  margin-left:12px;
}
.cl-btn-outline:hover{background:rgba(255,255,255,.15)}

.cl-section{padding:70px 0}
.cl-container{max-width:1200px;margin:0 auto;padding:0 20px}
.cl-section-title{
  text-align:center;margin-bottom:48px;
}
.cl-section-title h2{
  font-family:"Noto Serif SC",serif;
  font-size:30px;color:var(--cl-primary);
  margin-bottom:10px;font-weight:700;
}
.cl-section-title p{
  color:var(--cl-text-light);font-size:14px;
}
.cl-title-bar{
  width:48px;height:3px;background:var(--cl-accent);
  margin:12px auto 0;
}

.cl-about{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
}
.cl-about-img{
  border-radius:8px;overflow:hidden;
  box-shadow:0 8px 30px rgba(0,0,0,.1);
}
.cl-about-img img{width:100%;height:380px;object-fit:cover}
.cl-about-text h3{
  font-family:"Noto Serif SC",serif;
  font-size:24px;color:var(--cl-primary);margin-bottom:16px;
}
.cl-about-text p{margin-bottom:14px;color:var(--cl-text-light)}

.cl-services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.cl-service-card{
  background:#fff;border-radius:8px;overflow:hidden;
  box-shadow:0 2px 12px rgba(0,0,0,.05);
  transition:all .3s;
}
.cl-service-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 30px rgba(0,0,0,.12);
}
.cl-service-card img{
  width:100%;height:200px;object-fit:cover;
}
.cl-service-body{padding:22px}
.cl-service-body h4{
  font-family:"Noto Serif SC",serif;
  font-size:18px;color:var(--cl-primary);margin-bottom:8px;
}
.cl-service-body p{
  font-size:13px;color:var(--cl-text-light);line-height:1.6;
}

.cl-stats{
  background:var(--cl-primary);
  padding:50px 0;
}
.cl-stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;
}
.cl-stat h3{
  font-size:36px;color:#fff;font-family:"Noto Serif SC",serif;
  margin-bottom:4px;
}
.cl-stat p{color:rgba(255,255,255,.8);font-size:13px}

.cl-news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.cl-news-card{
  background:#fff;border-radius:8px;overflow:hidden;
  box-shadow:0 2px 12px rgba(0,0,0,.05);
  transition:all .3s;
}
.cl-news-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.cl-news-card img{width:100%;height:180px;object-fit:cover}
.cl-news-body{padding:18px}
.cl-news-date{
  font-size:12px;color:var(--cl-accent);margin-bottom:6px;
}
.cl-news-body h4{
  font-size:15px;line-height:1.5;margin-bottom:8px;
  color:var(--cl-text);
}
.cl-news-body h4 a:hover{color:var(--cl-primary)}

.cl-contact-band{
  background:linear-gradient(135deg,var(--cl-primary-dark),var(--cl-primary));
  color:#fff;text-align:center;padding:60px 0;
}
.cl-contact-band h2{
  font-family:"Noto Serif SC",serif;font-size:28px;margin-bottom:12px;
}
.cl-contact-band p{color:rgba(255,255,255,.85);margin-bottom:24px}

.cl-footer{
  background:#1a2a26;color:rgba(255,255,255,.7);
  padding:50px 0 20px;font-size:13px;
}
.cl-footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;
  margin-bottom:30px;
}
.cl-footer h5{
  color:#fff;font-size:15px;margin-bottom:14px;
  font-family:"Noto Serif SC",serif;
}
.cl-footer li{margin-bottom:8px}
.cl-footer a:hover{color:var(--cl-accent)}
.cl-footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:20px;text-align:center;font-size:12px;
  color:rgba(255,255,255,.5);
}

.cl-page-header{
  background:linear-gradient(135deg,var(--cl-primary-dark),var(--cl-primary));
  padding:60px 0;text-align:center;color:#fff;
}
.cl-page-header h1{
  font-family:"Noto Serif SC",serif;font-size:32px;margin-bottom:8px;
}
.cl-page-header p{color:rgba(255,255,255,.8);font-size:14px}

.cl-detail{
  background:#fff;border-radius:8px;padding:40px;
  box-shadow:0 2px 12px rgba(0,0,0,.05);
}
.cl-detail img{
  width:100%;border-radius:6px;margin-bottom:24px;
  max-height:420px;object-fit:cover;
}
.cl-detail h2{
  font-family:"Noto Serif SC",serif;font-size:24px;
  color:var(--cl-primary);margin-bottom:10px;
}
.cl-detail-meta{
  font-size:13px;color:var(--cl-text-light);margin-bottom:20px;
  padding-bottom:16px;border-bottom:1px solid var(--cl-border);
}
.cl-detail p{margin-bottom:14px;color:var(--cl-text);line-height:1.9}

.cl-service-detail{
  display:grid;grid-template-columns:repeat(2,1fr);gap:30px;
}
.cl-service-item{
  background:#fff;border-radius:8px;padding:28px;
  box-shadow:0 2px 10px rgba(0,0,0,.05);
}
.cl-service-item h3{
  font-family:"Noto Serif SC",serif;font-size:19px;
  color:var(--cl-primary);margin-bottom:10px;
}
.cl-service-item ul{margin:10px 0}
.cl-service-item li{
  padding:4px 0;font-size:13px;color:var(--cl-text-light);
  padding-left:16px;position:relative;
}
.cl-service-item li:before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;background:var(--cl-accent);border-radius:50%;
}

.cl-news-list{
  background:#fff;border-radius:8px;overflow:hidden;
  box-shadow:0 2px 12px rgba(0,0,0,.05);
}
.cl-news-item{
  display:grid;grid-template-columns:220px 1fr;gap:24px;
  padding:24px;border-bottom:1px solid var(--cl-border);
  transition:background .2s;
}
.cl-news-item:last-child{border-bottom:none}
.cl-news-item:hover{background:#faf9f6}
.cl-news-item img{
  width:220px;height:140px;object-fit:cover;border-radius:6px;
}
.cl-news-item h3{
  font-size:17px;margin-bottom:6px;
}
.cl-news-item h3 a:hover{color:var(--cl-primary)}
.cl-news-item p{
  font-size:13px;color:var(--cl-text-light);
  margin-top:6px;
}

.cl-404{
  text-align:center;padding:100px 20px;
}
.cl-404 h1{
  font-size:120px;color:var(--cl-primary);
  font-family:"Noto Serif SC",serif;line-height:1;
  margin-bottom:16px;
}
.cl-404 p{color:var(--cl-text-light);margin-bottom:28px}

.cl-contact-info{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.cl-contact-card{
  background:#fff;padding:30px;border-radius:8px;text-align:center;
  box-shadow:0 2px 10px rgba(0,0,0,.05);
}
.cl-contact-card h4{
  font-family:"Noto Serif SC",serif;color:var(--cl-primary);
  font-size:17px;margin-bottom:10px;
}
.cl-contact-card p{font-size:14px;color:var(--cl-text-light)}

@media(max-width:900px){
  .cl-menu{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:#fff;flex-direction:column;padding:16px 20px;
    box-shadow:0 8px 16px rgba(0,0,0,.1);
  }
  .cl-menu.cl-open{display:flex}
  .cl-menu a{padding:12px 0;border-bottom:1px solid var(--cl-border)}
  .cl-burger{display:flex}
  .cl-hero{height:380px}
  .cl-hero h1{font-size:28px}
  .cl-about{grid-template-columns:1fr;gap:30px}
  .cl-services-grid{grid-template-columns:1fr}
  .cl-news-grid{grid-template-columns:1fr}
  .cl-stats-grid{grid-template-columns:repeat(2,1fr)}
  .cl-footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .cl-service-detail{grid-template-columns:1fr}
  .cl-news-item{grid-template-columns:1fr}
  .cl-news-item img{width:100%;height:180px}
  .cl-contact-info{grid-template-columns:1fr}
  .cl-detail{padding:20px}
  .cl-topbar-inner{flex-direction:column;gap:4px}
}