:root{
  --primary:#1f9d55;
  --primary-dark:#137a40;
  --primary-light:#e6f6ec;
  --accent:#f6a623;
  --text:#1c2b23;
  --text-light:#5c6b63;
  --bg:#ffffff;
  --bg-alt:#f4f8f5;
  --border:#e2e9e4;
  --shadow:0 6px 24px rgba(22,60,40,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
.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:32px;line-height:1.3;letter-spacing:.5px}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:16px}
.grid{display:grid;gap:24px}
.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;align-items:center;gap:16px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px}

.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 transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 4px 20px rgba(22,60,40,.1);border-color:var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary-dark)}
.nav-logo svg{width:28px;height:28px;flex:none}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{font-size:15px;color:var(--text);padding:6px 0;border-bottom:2px solid transparent;transition:color .25s,border-color .25s}
.nav-link:hover{color:var(--primary);border-color:var(--primary)}
.nav-cta{display:inline-block;padding:9px 20px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .25s}
.nav-cta:hover{background:var(--primary-dark)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--text)}

.hero{padding:150px 0 90px;background:linear-gradient(160deg,var(--primary-light) 0%,#fbfdfb 60%,var(--bg) 100%)}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.hero-title{font-size:44px;line-height:1.25;letter-spacing:.5px;max-width:880px;margin:0 auto}
.hero-subtitle{margin:22px auto 0;max-width:720px;color:var(--text-light);font-size:17px}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:60px;padding:32px 24px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-stat{text-align:center}
.hero-stat-num{font-size:28px;font-weight:700;color:var(--primary-dark)}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light)}

.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;text-align:center;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.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}

.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(22,60,40,.12)}
.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}
.card-body{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border)}

.timeline{position:relative;padding-left:28px}
.timeline-item{position:relative;padding-bottom:28px}
.timeline-dot{position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary)}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600}
.timeline-title{font-size:17px;margin-top:6px}
.timeline-text{color:var(--text-light);font-size:15px;margin-top:8px}

.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;font-weight:700}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:8px;font-size:13px;color:var(--text-light)}
.news-date{font-size:13px}
.news-category{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600}
.news-summary{margin-top:12px;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{display:inline-block;padding:3px 12px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--text-light)}

.faq-list{display:grid;gap:16px}
.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:700}
.faq-answer{margin-top:10px;color:var(--text-light);font-size:15px}

.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.form-label{font-size:14px;font-weight:600}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:15px;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(31,157,85,.14)}
.form-textarea{min-height:130px;resize:vertical}
.form-submit{display:inline-block;padding:13px 34px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .25s}
.form-submit:hover{background:var(--primary-dark)}
.form-tip{font-size:13px;color:var(--text-light)}

.stat-item{text-align:center;padding:22px 14px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.stat-number{font-size:26px;font-weight:700;color:var(--primary-dark)}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-light)}
.progress{height:10px;border-radius:999px;background:var(--border);overflow:hidden;margin-top:10px}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;margin-top:24px}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark))}
.bar-label{margin-top:10px;font-size:13px;color:var(--text-light)}

.badge{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;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: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 12px 32px rgba(22,60,40,.12)}
.partner-logo{display:flex;align-items:center;justify-content:center;height:78px;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;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:none;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}

.footer{background:#14241c;color:#cfdcd4;padding:64px 0 28px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:6px}
.footer-link{font-size:14px;color:#cfdcd4;transition:color .25s}
.footer-link:hover{color:var(--accent)}
.footer-info{font-size:14px;color:#cfdcd4;line-height:1.9}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9fb3a7;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@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)}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .section-title{font-size:26px}
  .hero{padding:120px 0 70px}
  .hero-title{font-size:32px}
  .nav-list{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:12px 20px 20px;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(22,60,40,.1)}
  .nav-list.open{display:flex}
  .nav-list .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
  .nav-cta{display:none}
}
@media (max-width:480px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
  .hero-title{font-size:26px}
  .hero-subtitle{font-size:15px}
  .btn{width:100%}
  .bar-chart{gap:10px}
  .footer-inner{grid-template-columns:1fr}
  .step-item{flex-direction:column}
}