:root{
  --primary:#2f6b4f;
  --primary-dark:#1f4a36;
  --primary-light:#e6f2ea;
  --accent:#c9903b;
  --text:#1e2723;
  --text-light:#5c6a63;
  --bg:#ffffff;
  --bg-alt:#f5f8f6;
  --border:#dfe7e2;
  --shadow:0 6px 24px rgba(31,74,54,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;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:760px;margin:0 auto 48px;}
.section-title{font-size:2rem;color:var(--primary-dark);margin-bottom:14px;}
.section-subtitle{font-size:1rem;color:var(--text-light);}
.grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(260px,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;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(31,74,54,.14);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:1.15rem;color:var(--primary-dark);margin-bottom:10px;}
.card-text{font-size:.95rem;color:var(--text-light);}
.card-body{margin-top:14px;}
.btn{
  display:inline-block;padding:13px 26px;border-radius:999px;
  font-size:.95rem;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .3s,color .3s,border-color .3s,transform .2s;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:.85rem;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(31,74,54,.1);border-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{font-size:1.25rem;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;gap:28px;}
.nav-link{font-size:.95rem;color:var(--text);position:relative;padding:6px 0;transition:color .3s;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--border);
  border-radius:10px;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary-dark);
}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(180deg,var(--primary-light) 0%,var(--bg) 100%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:2.8rem;color:var(--primary-dark);margin-bottom:20px;}
.hero-subtitle{font-size:1.1rem;color:var(--text-light);max-width:780px;margin:0 auto 34px;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:900px;margin:0 auto;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 16px;box-shadow:var(--shadow);}
.hero-stat-num{display:block;font-size:1.8rem;font-weight:800;color:var(--primary);}
.hero-stat-label{display:block;font-size:.88rem;color:var(--text-light);margin-top:6px;}
.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;box-shadow:var(--shadow);}
.timeline-date{font-size:.85rem;color:var(--accent);font-weight:600;}
.timeline-title{font-size:1.05rem;color:var(--primary-dark);margin:6px 0;}
.timeline-text{font-size:.92rem;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);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:1.1rem;color:var(--primary-dark);margin-bottom:8px;}
.news-meta{display:flex;gap:12px;align-items:center;font-size:.85rem;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-summary{font-size:.94rem;color:var(--text-light);}
.news-body{font-size:.94rem;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{font-size:.8rem;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);padding:3px 10px;border-radius:999px;}
.faq-list{display:grid;gap:16px;max-width:860px;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:1.05rem;color:var(--primary-dark);font-weight:700;margin-bottom:10px;}
.faq-answer{font-size:.94rem;color:var(--text-light);}
.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:.9rem;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:.95rem;font-family:inherit;color:var(--text);background:#fff;transition:border-color .3s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{
  display:inline-block;padding:13px 30px;border-radius:999px;border:none;cursor:pointer;
  background:var(--primary);color:#fff;font-size:.95rem;font-weight:600;transition:background .3s;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:18px;}
.stat-number{display:block;font-size:1.9rem;font-weight:800;color:var(--primary);}
.stat-label{display:block;font-size:.88rem;color:var(--text-light);margin-top:6px;}
.progress{background:var(--primary-light);border-radius:999px;height:10px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:var(--primary);border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;}
.bar-label{font-size:.82rem;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:.8rem;padding:4px 12px;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;}
.customer-card,.case-card,.honor-card,.region-card,.support-card,.benefit-card,.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.region-card:hover,.support-card:hover,.benefit-card:hover,.review-card:hover{transform:translateY(-4px);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:80px;border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-light);font-size:.88rem;background:#fff;
}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.step-number{
  flex:0 0 40px;height:40px;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:#d8e6dd;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:36px;}
.footer-col{}
.footer-title{font-size:1rem;color:#fff;margin-bottom:18px;}
.footer-link{display:block;font-size:.9rem;color:#bfd4c7;margin-bottom:10px;transition:color .3s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:.9rem;color:#bfd4c7;line-height:1.9;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 20px;text-align:center;font-size:.85rem;color:#a9c3b4;}
@media (max-width:1200px){
  .hero-title{font-size:2.4rem;}
}
@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:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .nav-list{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .3s;
  }
  .nav-list.open{max-height:420px;}
  .nav-link{display:block;padding:14px 20px;border-bottom:1px solid var(--bg-alt);}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:2rem;}
  .section-title{font-size:1.6rem;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-title{font-size:1.7rem;}
  .hero-actions .btn{width:100%;text-align:center;}
}