:root{
  --primary:#2f6bff;
  --primary-dark:#1f4fd1;
  --primary-light:#e8efff;
  --accent:#ff7a45;
  --text:#1c2333;
  --text-light:#5c6577;
  --bg:#ffffff;
  --bg-alt:#f5f7fb;
  --border:#e3e8f0;
  --shadow:0 4px 16px rgba(28,35,51,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
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;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
.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:16px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flex{display:flex;align-items:center;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 10px 28px rgba(28,35,51,.13);}
.card-icon{
  width:48px;height:48px;border-radius:10px;
  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:19px;font-weight:600;margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:12px;}
.btn{
  display:inline-block;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:all .25s;text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.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;}
.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 2px 14px rgba(28,35,51,.1);border-bottom-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;
}
.nav-logo{font-size:21px;font-weight:700;color:var(--primary-dark);letter-spacing:1px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;background:none;border:none;
  font-size:22px;cursor:pointer;color:var(--text);
}
.hero{
  position:relative;overflow:hidden;
  padding:150px 0 90px;
  background:linear-gradient(160deg,#eef3ff 0%,#ffffff 60%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{
  font-size:44px;font-weight:800;line-height:1.35;
  letter-spacing:1px;max-width:820px;
}
.hero-subtitle{
  font-size:18px;color:var(--text-light);
  max-width:660px;margin-top:22px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;margin-top:64px;
}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:28px;font-weight:700;color:var(--primary-dark);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:26px;}
.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:-26px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary);}
.timeline-content{}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:17px;font-weight:600;margin:4px 0 6px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;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:600;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:999px;font-size:12px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:12px;padding:3px 10px;border-radius:999px;}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:16px;font-weight:600;}
.faq-answer{font-size:15px;color:var(--text-light);margin-top:10px;}
.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:11px 14px;border:1px solid var(--border);
  border-radius:8px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;}
.stat-number{font-size:30px;font-weight:700;color:var(--primary-dark);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:8px;background:var(--bg-alt);border-radius:999px;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:0 8px;}
.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),var(--primary-dark));border-radius:6px 6px 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:2px 10px;border-radius:999px;}
.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:24px;box-shadow:var(--shadow);
}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:80px;background:var(--bg-alt);border:1px dashed var(--border);
  border-radius:var(--radius);color:var(--text-light);font-size:14px;
}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:0 0 36px;height:36px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.footer{background:#151b2b;color:#c6cdda;padding:60px 0 0;}
.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{}
.footer-title{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:#c6cdda;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;color:#a8b1c2;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px;text-align:center;font-size:13px;color:#8e97ad;
}
@media (max-width:1200px){
  .hero-title{font-size:38px;}
}
@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:1fr 1fr;}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
  .nav-list.active{
    display:flex;flex-direction:column;position:absolute;
    top:68px;left:0;right:0;background:#fff;padding:20px;
    gap:16px;box-shadow:var(--shadow);border-bottom:1px solid var(--border);
  }
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .nav-cta{display:none;}
}
@media (max-width:480px){
  .hero-title{font-size:25px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;}
  .bar-chart{gap:10px;}
}