:root{
  --primary:#1a6dff;
  --primary-dark:#0f4fc4;
  --primary-light:#e8f0ff;
  --accent:#ff7a1a;
  --text:#1c2333;
  --text-light:#5b6478;
  --bg:#ffffff;
  --bg-alt:#f4f7fc;
  --border:#e2e8f2;
  --shadow:0 6px 24px rgba(20,40,90,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
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:780px;margin:0 auto 52px;}
.section-title{font-size:32px;color:var(--text);margin-bottom:16px;letter-spacing:.5px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.flex{display:flex;align-items:center;gap:16px;}
.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 34px rgba(20,40,90,.14);}
.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;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:6px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:40px;font-size:15px;font-weight:600;
  cursor:pointer;border:2px solid transparent;transition:all .3s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 20px;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 transparent;
  transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(20,40,90,.1);border-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:8px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text);transition:color .25s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  font-size:26px;color:var(--text);padding:4px 8px;
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  padding:160px 0 90px;
  background:linear-gradient(160deg,#eef4ff 0%,#f9fbff 55%,#ffffff 100%);
  position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;top:-120px;right:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(26,109,255,.16),transparent 70%);
  border-radius:50%;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.hero-title{
  font-size:50px;letter-spacing:1px;margin-bottom:22px;color:var(--text);
}
.hero-title span{color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);margin-bottom:34px;max-width:640px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding:28px 0 0;border-top:1px solid var(--border);max-width:640px;
}
.hero-stat{}
.hero-stat-num{font-size:32px;font-weight:800;color:var(--primary);display:block;}
.hero-stat-label{font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-34px;top:4px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline-content{}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;letter-spacing:.5px;}
.timeline-title{font-size:18px;margin:6px 0 8px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:grid;gap:24px;}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.news-item:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,40,90,.12);}
.news-title{font-size:19px;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.news-date{font-size:13px;color:var(--text-light);}
.news-category{
  font-size:12px;background:var(--primary-light);color:var(--primary);
  padding:3px 10px;border-radius:20px;font-weight:600;
}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text-light);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:12px;color:var(--text-light);background:var(--bg-alt);
  border:1px solid var(--border);padding:3px 10px;border-radius:20px;
}
.faq-list{display:grid;gap:16px;max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow);
}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text);}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .25s,box-shadow .25s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,109,255,.12);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 34px;border-radius:40px;border:none;cursor:pointer;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;transition:background .3s,transform .3s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;}
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:36px;font-weight:800;color:var(--primary);display:block;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{
  width:100%;height:10px;background:var(--bg-alt);border-radius:20px;overflow:hidden;margin-top:10px;
}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:20px;}
.bar-chart{display:flex;align-items:flex-end;justify-content:space-around;gap:16px;height:220px;padding:20px 0;}
.bar-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;flex:1;}
.bar-fill{
  width:60%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));
  border-radius:8px 8px 0 0;min-height:8px;
}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{
  display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:20px;
}
.customer-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.customer-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,40,90,.12);}
.case-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.honor-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;text-align:center;box-shadow:var(--shadow);
}
.partner-logo{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius);
  padding:28px;text-align:center;color:var(--text-light);font-size:14px;
}
.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:26px;box-shadow:var(--shadow);transition:transform .3s;
}
.benefit-card:hover{transform:translateY(-4px);}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex-shrink:0;width:42px;height:42px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;
}
.region-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;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:#0f1a30;color:#c3cbdb;padding:64px 0 0;}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col{}
.footer-title{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-link{display:block;font-size:14px;color:#c3cbdb;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  padding:22px 0;text-align:center;font-size:13px;color:#8a94a8;
}
.footer-info{font-size:14px;color:#c3cbdb;line-height:2;}
.footer-info a{color:#c3cbdb;}
.footer-info a:hover{color:#fff;}
@media(max-width:1200px){
  .hero-title{font-size:44px;}
}
@media(max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .hero-title{font-size:38px;}
  .nav-list{gap:20px;}
}
@media(max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .nav-list{
    position:fixed;top:64px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;
    padding:10px 24px 24px;box-shadow:0 14px 24px rgba(20,40,90,.1);
    display:none;
  }
  .nav-list.open{display:flex;}
  .nav-list .nav-link{padding:12px 0;width:100%;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
  .hero{padding:130px 0 60px;}
  .hero-title{font-size:32px;}
  .hero-stats{grid-template-columns:1fr;gap:18px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
}
@media(max-width:480px){
  .hero-title{font-size:27px;}
  .hero-subtitle{font-size:16px;}
  .card{padding:22px;}
  .btn{padding:11px 24px;font-size:14px;}
  .stat-number{font-size:28px;}
}