:root{
  --primary:#1f5eff;
  --primary-dark:#1541b8;
  --primary-light:#e8efff;
  --accent:#ff7a3d;
  --text:#1c2130;
  --text-light:#5f6b85;
  --bg:#ffffff;
  --bg-alt:#f5f7fc;
  --border:#e3e8f2;
  --shadow:0 8px 24px rgba(24,40,90,.08);
  --radius:14px;
}
*{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;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;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:2rem;letter-spacing:.5px;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:1rem;}
.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;align-items:center;gap:16px;flex-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.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 32px rgba(24,40,90,.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:1.35rem;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:1.15rem;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:.95rem;}
.card-body{margin-top:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:.95rem;font-weight:600;cursor:pointer;transition:all .25s;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.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:.85rem;}
.nav{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(24,40,90,.08);border-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;height:68px;
}
.nav-logo{font-size:1.3rem;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:.95rem;color:var(--text);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;background:none;border:1px solid var(--border);
  border-radius:10px;width:42px;height:42px;font-size:1.2rem;
  color:var(--text);cursor:pointer;
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  position:relative;padding:140px 0 90px;
  background:linear-gradient(160deg,#eef3ff 0%,#f8faff 55%,#fff 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,94,255,.14),transparent 70%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
.hero-title{font-size:2.9rem;letter-spacing:.5px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{
  margin-top:20px;max-width:720px;font-size:1.08rem;color:var(--text-light);
}
.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-stats{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:1.7rem;font-weight:800;color:var(--primary);}
.hero-stat-label{margin-top:6px;font-size:.88rem;color:var(--text-light);}
.timeline{position:relative;padding-left:28px;margin-top:20px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-dot{
  position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid var(--primary-light);
}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:.85rem;color:var(--accent);font-weight:600;}
.timeline-title{font-size:1.05rem;margin:4px 0 6px;}
.timeline-text{color:var(--text-light);font-size:.92rem;}
.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:1.1rem;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:.82rem;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-weight:600;
}
.news-summary{margin-top:12px;color:var(--text-light);font-size:.93rem;}
.news-body{margin-top:12px;color:var(--text-light);font-size:.93rem;}
.news-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--text-light);font-size:.8rem;
  border:1px solid var(--border);
}
.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:1.02rem;font-weight:700;color:var(--text);}
.faq-answer{margin-top:10px;color:var(--text-light);font-size:.93rem;}
.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:.9rem;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:.95rem;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:130px;resize:vertical;}
.form-submit{margin-top:8px;}
.form-tip{margin-top:10px;font-size:.82rem;color:var(--text-light);}
.stat-item{text-align:center;padding:16px;}
.stat-number{font-size:1.9rem;font-weight:800;color:var(--primary);}
.stat-label{margin-top:6px;font-size:.88rem;color:var(--text-light);}
.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:240px;margin-top:24px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;}
.bar-label{margin-top:10px;font-size:.82rem;color:var(--text-light);}
.badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:.78rem;font-weight:600;
}
.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:26px;box-shadow:var(--shadow);transition:transform .3s;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,
.benefit-card:hover,.region-card:hover,.support-card:hover{transform:translateY(-4px);}
.partner-logo{
  height:72px;border:1px dashed var(--border);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-light);font-size:.88rem;background:#fff;
}
.step-list{display:grid;gap:20px;}
.step-item{
  display:flex;gap:18px;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;
  display:flex;align-items:center;justify-content:center;
}
.footer{background:#101728;color:#c8d2e8;padding:64px 0 24px;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.footer-col{font-size:.9rem;}
.footer-title{color:#fff;font-size:1rem;margin-bottom:16px;}
.footer-link{display:block;color:#c8d2e8;font-size:.9rem;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  max-width:1200px;margin:40px auto 0;padding:20px 20px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.82rem;color:#8fa0c4;
}
.footer-info{font-size:.9rem;color:#c8d2e8;line-height:2;}
@media(max-width:1200px){
  .grid-4{grid-template-columns:repeat(3,1fr);}
}
@media(max-width:992px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:2.4rem;}
  .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:60px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:2rem;}
  .section-title{font-size:1.6rem;}
  .footer-inner{grid-template-columns:1fr;}
}
@media(max-width:480px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}