:root{
  --primary:#1266f1;
  --primary-dark:#0b47b3;
  --primary-light:#e8f0ff;
  --accent:#ff6b2c;
  --text:#1b1f26;
  --text-light:#5c6472;
  --bg:#ffffff;
  --bg-alt:#f5f7fb;
  --border:#e3e7ef;
  --shadow:0 6px 24px rgba(18,102,241,.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;
}
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:14px;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.flex{display:flex;gap:16px;align-items:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.card{
  background:#fff;
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .3s, box-shadow .3s;
  border:1px solid var(--border);
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(18,102,241,.14);}
.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: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;
  padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;
  border:2px solid transparent;cursor:pointer;transition:all .25s;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.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,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.08);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;gap:28px;align-items:center;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:42px;height:42px;border:none;background:transparent;
  font-size:22px;color:var(--primary);cursor:pointer;
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  padding:140px 0 90px;
  background:linear-gradient(160deg,var(--primary-light) 0%,#ffffff 60%);
}
.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:20px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{
  max-width:760px;margin:0 auto 34px;
  color:var(--text-light);font-size:18px;
}
.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-radius:var(--radius);padding:22px 14px;
  box-shadow:var(--shadow);border:1px solid var(--border);
}
.hero-stat-num{font-size:26px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:30px;}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-dot{
  position:absolute;left:-30px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid var(--primary-light);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:6px;}
.timeline-title{font-size:17px;font-weight:700;margin-bottom:8px;}
.timeline-text{color:var(--text-light);font-size:15px;}
.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;margin-bottom:8px;}
.news-meta{display:flex;gap:12px;align-items:center;margin-bottom:10px;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;color:var(--text-light);font-size:15px;}
.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);font-size:12px;padding:3px 10px;border-radius:999px;}
.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;margin-bottom:10px;color:var(--text);}
.faq-answer{color:var(--text-light);font-size:15px;}
.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 14px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 34px;border:none;border-radius:999px;background:var(--primary);color:#fff;
  font-size:16px;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:10px;}
.stat-item{text-align:center;padding:20px;background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);}
.stat-number{font-size:28px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;background:var(--primary);border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:180px;padding:16px 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),var(--primary-dark));border-radius:8px 8px 0 0;transition:height .4s;}
.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:600;padding:3px 10px;border-radius:999px;}
.customer-card,.case-card,.honor-card,.region-card,.support-card,.benefit-card,.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.region-card:hover,.support-card:hover,.benefit-card:hover,.review-card:hover{transform:translateY(-4px);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  min-height:84px;background:var(--bg-alt);border:1px dashed var(--border);
  border-radius:var(--radius);color:var(--text-light);font-size:14px;
}
.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:24px;box-shadow:var(--shadow);}
.step-number{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.footer{background:#101828;color:#c7cdd8;padding:64px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:6px;}
.footer-link{color:#c7cdd8;font-size:14px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  max-width:1200px;margin:40px auto 0;padding:22px 20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8e97a6;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
.footer-info{font-size:14px;color:#c7cdd8;line-height:1.9;}
@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);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .hero{padding:110px 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);}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
}