:root{
  --primary:#1f8a5f;
  --primary-dark:#146b48;
  --primary-light:#e3f5ec;
  --accent:#f2a63b;
  --text:#1d2b28;
  --text-light:#5d6b66;
  --bg:#ffffff;
  --bg-alt:#f5f8f6;
  --border:#e2e9e5;
  --shadow:0 6px 20px rgba(20,60,45,.08);
  --radius:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:var(--primary);}
a:hover{color:var(--primary-dark);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.3;}
p{margin:0 0 14px;}
img{max-width:100%;}
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  width:100%;
}
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-header{text-align:center;max-width:760px;margin:0 auto 48px;}
.section-title{
  font-size:32px;
  font-weight:700;
  letter-spacing:.5px;
  position:relative;
  padding-bottom:14px;
}
.section-title::after{
  content:"";
  display:block;
  width:56px;
  height:4px;
  border-radius:2px;
  background:var(--primary);
  margin:14px auto 0;
}
.section-subtitle{
  color:var(--text-light);
  font-size:15px;
  margin:0;
}
.grid{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.flex{display:flex;gap:16px;}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:16px;}
.card{
  background:#fff;
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
  border:1px solid var(--border);
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(20,60,45,.14);}
.card-icon{
  width:48px;
  height:48px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:700;
  margin-bottom:16px;
}
.card-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;margin:0;}
.card-body{margin-top:12px;}
.btn{
  display:inline-block;
  padding:13px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .25s,color .25s,transform .25s,border-color .25s;
  text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s,background .3s;
}
.nav.scrolled{box-shadow:0 6px 20px rgba(20,60,45,.12);background:#fff;}
.nav-inner{
  max-width:1200px;
  margin:0 auto;
  padding:14px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.nav-logo{
  font-size:20px;
  font-weight:800;
  color:var(--primary-dark);
  letter-spacing:1px;
  display:flex;
  align-items:center;
  gap:8px;
}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{color:var(--text);font-size:15px;font-weight:500;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--border);
  border-radius:8px;
  padding:6px 10px;
  font-size:20px;
  color:var(--primary-dark);
  cursor:pointer;
}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#eef8f3 0%,#f9fbfa 60%,#ffffff 100%);
  position:relative;
  overflow:hidden;
}
.hero-inner{max-width:900px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:46px;
  font-weight:800;
  letter-spacing:1px;
  line-height:1.25;
  margin-bottom:20px;
}
.hero-subtitle{
  font-size:18px;
  color:var(--text-light);
  max-width:680px;
  margin:0 auto 32px;
}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  max-width:880px;
  margin:0 auto;
}
.hero-stat{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px 12px;
  box-shadow:var(--shadow);
}
.hero-stat-num{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--primary-dark);
  margin-bottom:6px;
}
.hero-stat-label{font-size:13px;color:var(--text-light);}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{
  position:absolute;
  left:-37px;
  top:6px;
  width:14px;
  height:14px;
  border-radius:50%;
  background:var(--primary);
  border:3px solid var(--primary-light);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;margin-bottom:6px;}
.timeline-title{font-size:17px;font-weight:700;margin-bottom:8px;}
.timeline-text{color:var(--text-light);font-size:15px;margin:0;}
.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);
  transition:transform .3s,box-shadow .3s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(20,60,45,.12);}
.news-title{font-size:18px;font-weight:700;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;
  font-weight:600;
}
.news-summary{color:var(--text-light);font-size:15px;margin:0;}
.news-body{color:var(--text);font-size:15px;margin-top:10px;}
.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:900px;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:16px;font-weight:700;margin-bottom:10px;color:var(--primary-dark);}
.faq-answer{color:var(--text-light);font-size:15px;margin:0;}
.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.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 .25s,box-shadow .25s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(31,138,95,.12);
}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{
  display:inline-block;
  background:var(--primary);
  color:#fff;
  border:none;
  padding:13px 32px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .25s,transform .25s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px 12px;}
.stat-number{font-size:28px;font-weight:800;color:var(--primary-dark);display:block;}
.stat-label{font-size:14px;color:var(--text-light);}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:16px;height:220px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px;}
.badge{
  display:inline-block;
  background:var(--accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:3px 10px;
  border-radius:999px;
}
.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:26px;
  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);
  box-shadow:0 14px 30px rgba(20,60,45,.14);
}
.partner-logo{
  height:72px;
  border:1px dashed var(--border);
  border-radius:var(--radius);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-light);
  font-size:14px;
  background:var(--bg-alt);
}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:0 0 42px;
  height:42px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
}
.footer{
  background:#10362a;
  color:#c9ded4;
  padding:64px 0 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-col{min-width:0;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#a9c8bb;font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#a9c8bb;line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  font-size:13px;
  color:#8fb3a5;
  text-align:center;
}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .nav-toggle{display:block;}
  .nav-list{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:0 20px;
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease,padding .35s ease;
    border-bottom:1px solid var(--border);
  }
  .nav-list.open{max-height:420px;padding:12px 20px 20px;}
  .nav-list li{width:100%;}
  .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-cta .btn{padding:10px 18px;font-size:14px;}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .section-header{margin-bottom:32px;}
  .card{padding:22px;}
}