:root{
  --primary:#3a5a8c;
  --primary-dark:#28405f;
  --primary-light:#e8eef7;
  --accent:#c08a4a;
  --text:#22262c;
  --text-light:#5b6572;
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --border:#e2e6ec;
  --shadow:0 4px 18px rgba(20,32,52,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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{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:760px;margin:0 auto 48px;}
.section-title{font-size:32px;color:var(--primary-dark);margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.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;gap:16px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.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 28px rgba(20,32,52,.12);}
.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:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;color:var(--primary-dark);margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:12px;}
.btn{
  display:inline-block;padding:13px 28px;border-radius:var(--radius);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
  text-align:center;
}
.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);color:#fff;}
.btn-sm{padding:8px 18px;font-size:13px;}
.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 var(--border);transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(20,32,52,.1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:4px 0;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;
  background:var(--primary);transition:width .25s;
}
.nav-link:hover::after{width:100%;}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:32px;height:32px;position:relative;
}
.nav-toggle span{
  display:block;width:22px;height:2px;background:var(--text);
  margin:5px auto;transition:.3s;
}
.nav-cta{background:var(--primary);color:#fff;padding:9px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#eef3fa 0%,#f9fbfd 60%,#ffffff 100%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:44px;color:var(--primary-dark);margin-bottom:20px;letter-spacing:1px;}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:760px;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:20px;
  max-width:900px;margin:0 auto;
}
.hero-stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 14px;box-shadow:var(--shadow);
}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{
  position:absolute;left:-28px;top:6px;width:14px;height:14px;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:20px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:6px;}
.timeline-title{font-size:17px;color:var(--primary-dark);margin-bottom:8px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:grid;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-4px);}
.news-title{font-size:19px;color:var(--primary-dark);margin-bottom:10px;}
.news-meta{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:20px;font-size:12px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text);margin-top:12px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);padding:3px 12px;border-radius:20px;font-size:12px;}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;color:var(--primary-dark);font-weight:700;margin-bottom:10px;}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;color:var(--text);margin-bottom:8px;font-weight:600;}
.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 var(--primary-light);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-block;padding:13px 32px;border-radius:var(--radius);border:none;
  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);margin-top:8px;}
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--primary-light);border-radius:20px;overflow:hidden;margin:10px 0 20px;}
.progress-fill{height:100%;background:var(--primary);border-radius:20px;}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:240px;padding:20px 0;}
.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) 0%,var(--primary-dark) 100%);border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;background:var(--accent);color:#fff;font-size:12px;padding:3px 12px;border-radius:20px;}
.customer-card{background:#fff;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s;}
.case-card:hover{transform:translateY(-4px);}
.honor-card{background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:24px;text-align:center;color:var(--text-light);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:80px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-light);font-size:14px;
}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.benefit-card{background:var(--primary-light);border-radius:var(--radius);padding:24px;transition:transform .3s;}
.benefit-card:hover{transform:translateY(-4px);}
.step-list{display:grid;gap:20px;max-width:820px;margin:0 auto;}
.step-item{display:flex;gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-number{
  flex:0 0 44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;
}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border-top:3px solid var(--accent);}
.footer{background:var(--primary-dark);color:#cdd7e5;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.footer-col{font-size:14px;line-height:2;}
.footer-title{font-size:16px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#cdd7e5;font-size:14px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:48px;padding:22px 0;font-size:13px;text-align:center;color:#9fadc2;}
.footer-info{font-size:14px;line-height:2;}
@media (max-width:1200px){
  .hero-title{font-size:38px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .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;
    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;width:100%;}
  .nav-link::after{display:none;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .section-title{font-size:26px;}
  .bar-chart{height:180px;gap:12px;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;}
  .hero-stats{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .card{padding:22px;}
  .step-item{flex-direction:column;}
}