:root{
  --primary:#2f6b4f;
  --primary-dark:#1f4a37;
  --primary-light:#e6f0ea;
  --accent:#b07d3b;
  --text:#22302a;
  --text-light:#63736b;
  --bg:#ffffff;
  --bg-alt:#f5f8f6;
  --border:#e0e7e2;
  --shadow:0 6px 24px rgba(31,74,55,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,Segoe UI,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-header{text-align:center;max-width:780px;margin:0 auto 48px;}
.section-title{font-size:32px;color:var(--primary-dark);letter-spacing:.5px;}
.section-title::after{
  content:"";display:block;width:52px;height:3px;border-radius:2px;
  background:var(--accent);margin:16px auto 0;
}
.section-subtitle{margin-top:16px;color:var(--text-light);font-size:16px;}

.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.flex{display:flex;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}

.card{
  background:#fff;border-radius:var(--radius);padding:28px;
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(31,74,55,.14);}
.card-icon{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);font-size:22px;margin-bottom:18px;
}
.card-title{font-size:19px;color:var(--primary-dark);margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary-dark);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:14px;}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(31,74,55,.1);border-bottom-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:70px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary-dark);}
.nav-logo span{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:none;background:transparent;cursor:pointer;
  color:var(--primary-dark);font-size:22px;align-items:center;justify-content:center;
}

.hero{
  padding:150px 0 90px;background:
    radial-gradient(circle at 82% 12%,rgba(176,125,59,.14),transparent 46%),
    linear-gradient(160deg,var(--primary-light),var(--bg) 62%);
  position:relative;overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:46px;color:var(--primary-dark);letter-spacing:1px;
  max-width:900px;margin:0 auto;
}
.hero-subtitle{
  margin:22px auto 0;max-width:720px;font-size:17px;color:var(--text-light);
}
.hero-actions{margin-top:36px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;}
.hero-stats{
  margin-top:62px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:32px 20px;
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:30px;font-weight:700;color:var(--primary);}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}

.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:26px;}
.timeline-dot{
  position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;}
.timeline-title{font-size:16px;color:var(--primary-dark);margin:6px 0;}
.timeline-text{font-size:14px;color:var(--text-light);}

.news-list{display:grid;gap:20px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.news-title{font-size:18px;color:var(--primary-dark);margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:999px;font-size:12px;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;color:var(--text);font-size:15px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:12px;padding:3px 10px;border-radius:999px;}

.faq-list{display:grid;gap:16px;max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:600;color:var(--primary-dark);margin-bottom:8px;}
.faq-answer{font-size:15px;color:var(--text-light);}

.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}

.stat-item{text-align:center;padding:16px;}
.stat-number{font-size:28px;font-weight:700;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;border:1px solid var(--border);}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:0 8px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:8px;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:13px;color:var(--text-light);}

.badge{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;
  background:var(--accent);color:#fff;font-weight:600;
}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,
.benefit-card:hover,.region-card:hover,.support-card:hover{transform:translateY(-4px);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;height:84px;
  background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-light);font-size:14px;
}

.step-list{display:grid;gap:18px;}
.step-item{display:flex;gap:16px;align-items:flex-start;}
.step-number{
  flex:none;width:38px;height:38px;border-radius:50%;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;
}

.footer{background:var(--primary-dark);color:#d8e6de;padding:64px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-col{min-width:0;}
.footer-title{font-size:16px;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:#b8cec2;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#b8cec2;line-height:2;}
.footer-bottom{
  max-width:1200px;margin:48px auto 0;padding:22px 20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#9fb7aa;
}

@media (min-width:1200px){
  .hero-title{font-size:50px;}
}
@media (max-width:992px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .h2,.section-title{font-size:28px;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:15px;}
  .nav-list{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:8px 20px 18px;border-bottom:1px solid var(--border);
    box-shadow:0 10px 24px rgba(31,74,55,.1);display:none;
  }
  .nav-list.open{display:flex;}
  .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding:24px 12px;}
  .hero-stat-num{font-size:24px;}
  .bar-chart{gap:10px;height:180px;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-actions{flex-direction:column;width:100%;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .section-title{font-size:23px;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
}