:root{
  --primary:#5b4bd6;
  --primary-dark:#3f32a8;
  --primary-light:#8b7cf0;
  --accent:#f5a623;
  --text:#1f2233;
  --text-light:#626879;
  --bg:#ffffff;
  --bg-alt:#f5f6fb;
  --border:#e5e7f0;
  --shadow:0 6px 22px rgba(35,38,70,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",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:1.35;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:32px;color:var(--text);margin-bottom:14px;letter-spacing:.5px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.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;align-items:center;gap:12px;}
.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 12px 30px rgba(35,38,70,.13);}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;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:12px;}
.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;text-align:center;}
.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;}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);transition:box-shadow .3s,background .3s;border-bottom:1px solid transparent;}
.nav.scrolled{box-shadow:0 4px 20px rgba(35,38,70,.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;gap:20px;}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary);letter-spacing:1px;display:flex;align-items:center;gap:8px;}
.nav-logo::before{content:"";width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--primary-light),var(--primary));display:inline-block;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:4px 0;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:width .25s;}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:0 auto;}
.nav-cta{display:inline-block;}
.hero{padding:150px 0 90px;background:radial-gradient(circle at 15% 20%,rgba(139,124,240,.16),transparent 45%),radial-gradient(circle at 85% 10%,rgba(245,166,35,.14),transparent 40%),var(--bg);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:46px;font-weight:800;letter-spacing:1px;margin-bottom:22px;color:var(--text);}
.hero-title span{color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:680px;margin-bottom:34px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow);}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);display:block;}
.hero-stat-label{font-size:14px;color:var(--text-light);}
.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{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;margin:4px 0 6px;}
.timeline-text{font-size:14px;color:var(--text-light);}
.news-list{display:grid;gap:18px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:8px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--bg-alt);color:var(--primary);border-radius:999px;padding:2px 12px;font-size:12px;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{font-size:14px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:12px;padding:3px 12px;border-radius:999px;}
.faq-list{display:grid;gap:14px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.faq-question{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px;}
.faq-answer{font-size:14px;color:var(--text-light);}
.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;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(91,75,214,.14);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-block;padding:13px 34px;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:background .25s,transform .25s;}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);display:block;}
.stat-label{font-size:14px;color:var(--text-light);}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin:10px 0;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-light),var(--primary));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;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-light),var(--primary));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px;}
.badge{display:inline-block;background:rgba(91,75,214,.1);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center;}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center;}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;background:var(--bg-alt);}
.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);border-top:3px solid var(--primary);}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;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:#20223a;color:#c9cce0;padding:60px 0 24px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;margin-bottom:40px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#c9cce0;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:#9aa0bd;}
.footer-info{font-size:13px;line-height:2;color:#9aa0bd;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .nav-list{position:absolute;top:70px;left:0;width:100%;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(35,38,70,.1);max-height:0;overflow:hidden;transition:max-height .3s;}
  .nav-list.open{max-height:420px;}
  .nav-list li{width:100%;}
  .nav-link{display:block;padding:15px 20px;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .grid-3,.grid-4{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){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .bar-chart{height:180px;gap:10px;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;}
  .hero-stats{grid-template-columns:1fr;padding:22px 18px;}
  .hero-stat-num{font-size:26px;}
  .section-title{font-size:22px;}
  .footer-inner{grid-template-columns:1fr;}
  .card{padding:22px;}
}