:root{
  --primary:#3b5bdb;
  --primary-dark:#28409e;
  --primary-light:#e7ecff;
  --accent:#f76707;
  --text:#1b1f2a;
  --text-light:#5c6475;
  --bg:#ffffff;
  --bg-alt:#f5f7fc;
  --border:#e2e6f0;
  --shadow:0 4px 18px rgba(28,39,74,.08);
  --radius:14px;
}
*{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{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}

.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;font-weight:700;}
.section-subtitle{margin-top:14px;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,border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(28,39,74,.14);border-color:#cdd6f0;}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  font-size:24px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.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,.92);
  backdrop-filter:blur(10px);
  transition:box-shadow .3s,background .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(28,39,74,.12);background:#fff;}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;display:flex;align-items:center;gap:8px;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:block;padding:9px 14px;border-radius:8px;font-size:15px;font-weight:500;
  color:var(--text);transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-cta{white-space:nowrap;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:8px;
  font-size:22px;color:var(--text);align-items:center;justify-content:center;
}

.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#eef2ff 0%,#ffffff 55%,#f7f9ff 100%);
  position:relative;overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:46px;line-height:1.25;font-weight:800;letter-spacing:1px;
  max-width:900px;margin:0 auto;
}
.hero-title span{color:var(--primary);}
.hero-subtitle{
  max-width:780px;margin:22px auto 0;font-size:18px;color:var(--text-light);
}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:36px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:900px;margin:56px auto 0;
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:32px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}

.timeline{position:relative;padding-left:26px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-35px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary);
}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;}
.timeline-title{font-size:17px;font-weight:700;margin:4px 0 6px;}
.timeline-text{font-size:14px;color:var(--text-light);}

.news-list{display:flex;flex-direction:column;gap:22px;}
.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 10px 26px rgba(28,39,74,.12);}
.news-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.news-meta{display:flex;gap:12px;align-items:center;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);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:14px;font-size:15px;color:var(--text-light);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{background:var(--bg-alt);color:var(--text-light);font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--border);}

.faq-list{display:flex;flex-direction:column;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;margin-bottom:8px;}
.faq-answer{font-size:15px;color:var(--text-light);}

.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;}
.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{resize:vertical;min-height:130px;}
.form-submit{width:100%;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}

.stat-item{text-align:center;padding:18px 10px;}
.stat-number{font-size:30px;font-weight:800;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;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:200px;padding-top:10px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;max-width:46px;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:700;padding:3px 10px;border-radius:999px;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(28,39,74,.14);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;height:86px;border-radius:12px;
  border:1px dashed var(--border);background:var(--bg-alt);color:var(--text-light);
  font-size:14px;font-weight:600;letter-spacing:1px;
}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:16px;align-items:flex-start;}
.step-number{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;
}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center;}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}

.footer{background:#151a26;color:#c2c8d6;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:44px;}
.footer-col{min-width:0;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;color:#c2c8d6;font-size:14px;padding:5px 0;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;color:#c2c8d6;word-break:break-all;}
.footer-bottom{
  border-top:1px solid #2a3142;padding:22px 0;font-size:13px;color:#8b93a6;
  text-align:center;line-height:1.9;
}

@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:26px;}
}
@media (max-width:991px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .nav-list{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--border);
    box-shadow:0 14px 24px rgba(28,39,74,.12);padding:10px 16px 18px;
  }
  .nav-list.open{display:flex;}
  .nav-link{padding:12px 10px;}
  .nav-toggle{display:flex;}
}
@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;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-actions{flex-direction:column;align-items:center;}
  .hero-actions .btn{width:100%;max-width:320px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-stat-num{font-size:26px;}
  .card{padding:22px;}
  .form-input,.form-select,.form-textarea{font-size:16px;}
}