:root{
  --primary:#2a3d8f;
  --primary-dark:#1b2a68;
  --primary-light:#4a5fb8;
  --accent:#e8a33d;
  --text:#1f2430;
  --text-light:#5c6478;
  --bg:#ffffff;
  --bg-alt:#f4f6fb;
  --border:#e2e6f0;
  --shadow:0 6px 24px rgba(30,40,90,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",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,ol{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;color:var(--text);}
.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:30px;font-weight:700;letter-spacing:.5px;}
.section-subtitle{margin-top:14px;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;justify-content:space-between;align-items:center;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 34px rgba(30,40,90,.14);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-size:22px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  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:6px;}
.btn{
  display:inline-block;padding:13px 28px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .25s;line-height:1.2;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:8px 18px;font-size:14px;}
.nav{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(30,40,90,.12);}
.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:21px;font-weight:800;color:var(--primary);letter-spacing:1px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;gap:26px;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;background:none;border:1px solid var(--border);border-radius:8px;
  font-size:20px;color:var(--primary);padding:6px 12px;cursor:pointer;
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  padding:170px 0 90px;
  background:linear-gradient(150deg,#1b2a68 0%,#2a3d8f 55%,#4a5fb8 100%);
  color:#fff;position:relative;overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
.hero-title{font-size:44px;font-weight:800;color:#fff;letter-spacing:1px;}
.hero-subtitle{margin-top:20px;font-size:18px;color:rgba(255,255,255,.85);max-width:720px;}
.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-actions .btn-primary{background:var(--accent);color:#1b2a68;}
.hero-actions .btn-primary:hover{background:#f2b856;}
.hero-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.7);}
.hero-actions .btn-outline:hover{background:#fff;color:var(--primary);}
.hero-stats{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid rgba(255,255,255,.2);padding-top:34px;
}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--accent);}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,.8);margin-top:6px;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{
  position:absolute;left:-37px;top:4px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);
}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0;}
.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);transition:transform .3s;
}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:17px;font-weight:700;}
.news-meta{display:flex;gap:14px;align-items:center;margin:10px 0;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--bg-alt);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:10px;color:var(--text-light);font-size:15px;}
.news-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  background:var(--bg-alt);color:var(--text-light);
  padding:3px 12px;border-radius:999px;font-size:12px;
}
.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(--primary-dark);}
.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;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  background:var(--primary);color:#fff;border:none;border-radius:999px;
  padding:13px 34px;font-size:15px;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;}
.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(--border);border-radius:999px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding:20px 0;}
.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-light),var(--primary));
  border-radius:8px 8px 0 0;transition:height .5s;
}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{
  display:inline-block;background:var(--accent);color:#1b2a68;
  font-size:12px;font-weight:700;padding:3px 12px;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: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:70px;border:1px dashed var(--border);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-light);font-size:14px;background:#fff;
}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:0 0 42px;width:42px;height:42px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer{background:#141a2e;color:rgba(255,255,255,.75);padding:64px 0 28px;}
.footer-inner{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;
  max-width:1200px;margin:0 auto;padding:0 20px;
}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:6px;}
.footer-link{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-bottom{
  max-width:1200px;margin:44px auto 0;padding:22px 20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);text-align:center;
}
.footer-info{font-size:14px;line-height:2;}
@media(max-width:1200px){
  .hero-title{font-size:38px;}
  .footer-inner{grid-template-columns:2fr 1fr 1.4fr;}
}
@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;}
}
@media(max-width:768px){
  .nav-list{
    position:absolute;top:100%;left:0;width:100%;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--border);
    padding:16px 20px 24px;gap:16px;display:none;
  }
  .nav-list.open{display:flex;}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .section{padding:60px 0;}
  .hero{padding:140px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .section-title{font-size:24px;}
  .bar-chart{height:170px;gap:12px;}
}
@media(max-width:480px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{text-align:center;}
  .footer-inner{grid-template-columns:1fr;}
}