:root{
  --primary:#4a3aff;
  --primary-dark:#2f21c9;
  --primary-light:#ece9ff;
  --accent:#ff5c8a;
  --text:#1b1b26;
  --text-light:#5c5c70;
  --bg:#ffffff;
  --bg-alt:#f6f6fb;
  --border:#e3e3ee;
  --shadow:0 6px 24px rgba(38,38,80,.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;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}

.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;line-height:1.3;letter-spacing:.5px;color:var(--text);margin-bottom:14px;}
.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;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}

.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(38,38,80,.13);}
.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:24px;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{font-size:15px;color:var(--text-light);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(74,58,255,.28);}
.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-light);}
.btn-sm{padding:8px 18px;font-size:13px;}

.nav{
  position:fixed;top:0;left:0;right:0;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 20px rgba(30,30,70,.1);border-bottom-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:70px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--primary);display:flex;align-items:center;gap:9px;}
.nav-logo::before{
  content:"";width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;background:none;border:none;width:40px;height:40px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;}
.nav-cta{display:flex;align-items:center;gap:14px;}

.hero{
  padding:150px 0 90px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 85% -10%,rgba(74,58,255,.14),transparent 70%),
    radial-gradient(760px 400px at 5% 10%,rgba(255,92,138,.12),transparent 70%),
    var(--bg);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:50px;line-height:1.2;letter-spacing:1px;margin-bottom:22px;color:var(--text);
}
.hero-title strong{color:var(--primary);}
.hero-subtitle{
  font-size:18px;color:var(--text-light);max-width:760px;margin:0 auto 34px;
}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:920px;margin:0 auto;
}
.hero-stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 14px;box-shadow:var(--shadow);
}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:13px;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:7px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding:0 0 34px 22px;}
.timeline-dot{
  position:absolute;left:-26px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--primary);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:6px;}
.timeline-text{font-size:14px;color:var(--text-light);}

.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:18px;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap;}
.news-date{font-size:13px;color:var(--text-light);}
.news-category{font-size:12px;color:var(--primary);background:var(--primary-light);padding:3px 10px;border-radius:999px;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{font-size:12px;color:var(--text-light);border:1px solid var(--border);border-radius:999px;padding:3px 10px;background:var(--bg-alt);}

.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:16px;font-weight:600;display:flex;gap:10px;}
.faq-question::before{content:"？";color:var(--primary);font-weight:800;}
.faq-answer{font-size:14px;color:var(--text-light);margin-top:10px;padding-left:24px;}

.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 14px;font-size:14px;color:var(--text);
  border:1px solid var(--border);border-radius:10px;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: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:15px;font-weight:600;transition:background .25s;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:12px;color:var(--text-light);margin-top:10px;}

.stat-item{text-align:center;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--border);overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:12px 6px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:8px;}
.bar-fill{width:100%;max-width:52px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-light));}
.bar-label{font-size:12px;color:var(--text-light);}

.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-weight:600;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.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:22px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{
  background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);
  height:80px;display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-light);
}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.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:22px;box-shadow:var(--shadow);}
.step-number{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;
}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;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:#14142b;color:#c9c9dd;padding:64px 0 26px;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px 40px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-col{font-size:14px;}
.footer-title{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:#a9a9c4;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8f8fae;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-info{font-size:14px;color:#a9a9c4;line-height:1.9;}
.footer-info strong{color:#fff;}

@media (max-width:1200px){
  .hero-title{font-size:42px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:36px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-list{
    display:none;position:absolute;top:70px;left:0;right:0;
    flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--border);
    padding:10px 20px 20px;box-shadow:0 12px 24px rgba(30,30,70,.1);
  }
  .nav-list.active{display:flex;}
  .nav-link{display:block;padding:12px 0;width:100%;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .section-title{font-size:26px;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:25px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:center;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .card{padding:22px;}
}