:root{
  --primary:#2f6bff;
  --primary-dark:#1f4fd0;
  --primary-light:#e8f0ff;
  --accent:#ff7a3c;
  --text:#1c2233;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f5f7fc;
  --border:#e3e7f0;
  --shadow:0 6px 24px rgba(24,42,90,.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;
  -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;font-weight:700;letter-spacing:.5px;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;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}

.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 14px 34px rgba(24,42,90,.12);}
.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:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;font-weight:600;margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:8px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:40px;font-size:15px;font-weight:600;
  transition:all .25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:14px;}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(24,42,90,.1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:1px;}
.nav-list{display:flex;gap:32px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text);transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;font-size:24px;color:var(--text);}
.nav-cta{padding:10px 22px;border-radius:40px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}

.hero{
  padding:140px 0 80px;
  background:linear-gradient(160deg,#eef3ff 0%,#ffffff 55%,#fff6f1 100%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;font-weight:800;line-height:1.25;letter-spacing:1px;margin-bottom:22px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{font-size:17px;color:var(--text-light);max-width:720px;margin:0 auto 34px;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:flex;justify-content:center;gap:64px;flex-wrap:wrap;}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:34px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}

.timeline{position:relative;max-width:820px;margin:0 auto;}
.timeline-item{position:relative;padding-left:40px;padding-bottom:32px;}
.timeline-dot{position:absolute;left:8px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary);}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;font-weight:600;margin:4px 0 6px;}
.timeline-text{font-size:14px;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:18px;font-weight:600;margin-bottom:10px;}
.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);padding:2px 10px;border-radius:20px;font-size:12px;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:14px;color:var(--text-light);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{font-size:12px;padding:3px 10px;border-radius:20px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}

.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:16px;font-weight:600;margin-bottom:8px;}
.faq-answer{font-size:14px;color:var(--text-light);}

.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 16px;border:1px solid var(--border);
  border-radius:10px;font-size:14px;font-family:inherit;color:var(--text);
  background:#fff;transition:border-color .2s;
}
.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-flex;align-items:center;justify-content:center;
  padding:13px 40px;border-radius:40px;background:var(--primary);
  color:#fff;font-size:15px;font-weight:600;transition:background .25s;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}

.stat-item{text-align:center;padding:24px;}
.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:8px;background:var(--bg-alt);border-radius:20px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:var(--primary);border-radius:20px;}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;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%;max-width:56px;background:var(--primary);border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}

.badge{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;font-weight:600;background:var(--primary-light);color:var(--primary);}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s;}
.customer-card:hover{transform:translateY(-4px);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.case-card:hover{transform:translateY(-4px);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center;}
.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:14px;background:#fff;
}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:var(--primary-light);border-radius:var(--radius);padding:26px;}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex-shrink:0;width:44px;height:44px;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);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}

.footer{background:#141a2b;color:#c3c9d6;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 20px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-link{display:block;color:#c3c9d6;margin-bottom:10px;font-size:14px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:22px 20px;
  text-align:center;font-size:13px;color:#8b93a5;
}
.footer-info{font-size:14px;color:#c3c9d6;line-height:2;}

@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);}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 60px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:15px;}
  .hero-stats{gap:36px;}
  .section-title{font-size:26px;}
}
@media(max-width:480px){
  .hero-title{font-size:25px;}
  .hero-stat-num{font-size:26px;}
  .btn{padding:11px 22px;font-size:14px;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
}