:root{
  --primary:#6d3df5;
  --primary-dark:#4a22b8;
  --primary-light:#efe9ff;
  --accent:#ff7a45;
  --text:#1d1b2e;
  --text-light:#6b6880;
  --bg:#ffffff;
  --bg-alt:#f6f4ff;
  --border:#e6e2f5;
  --shadow:0 6px 24px rgba(74,34,184,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
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;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;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);
  border:1px solid var(--border);
  transition:transform .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(74,34,184,.16)}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;margin-bottom:10px}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:16px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;transition:all .25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(109,61,245,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--primary-dark);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:100;
  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 6px 22px rgba(29,27,46,.09);border-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{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--primary-dark)}
.nav-logo span{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-size:16px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:8px;
  font-size:15px;color:var(--text);transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--primary-dark);background:var(--primary-light)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);
  background:#fff;border-radius:10px;font-size:20px;color:var(--primary-dark);
}

.hero{
  padding:150px 0 90px;
  background:
    radial-gradient(circle at 12% 18%,rgba(109,61,245,.14),transparent 45%),
    radial-gradient(circle at 88% 10%,rgba(255,122,69,.12),transparent 42%),
    var(--bg-alt);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:22px}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-subtitle{max-width:780px;margin:0 auto;color:var(--text-light);font-size:17px}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-top:36px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:60px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:32px 20px;box-shadow:var(--shadow);
}
.hero-stat{text-align:center}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary-dark)}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px}

.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border)}
.timeline-item{position:relative;padding:0 0 30px 24px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;left:-36px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);border:3px solid var(--bg);
}
.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(--accent);font-weight:700;letter-spacing:.5px}
.timeline-title{font-size:17px;margin:6px 0 8px}
.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:8px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light)}
.news-date{color:var(--text-light)}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:999px;font-weight:600}
.news-summary{margin-top:12px;color:var(--text-light);font-size:15px}
.news-body{margin-top:12px;font-size:15px}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);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:17px;font-weight:700}
.faq-answer{margin-top:10px;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;background:#fff;color:var(--text);transition:border-color .2s,box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(109,61,245,.14);
}
.form-textarea{min-height:120px;resize:vertical}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 36px;border:none;border-radius:999px;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  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-dark)}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px}
.progress{height:10px;border-radius:999px;background:var(--border);overflow:hidden;margin-top:10px}
.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-top:20px}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark))}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px}

.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700;background:var(--primary-light);color:var(--primary-dark)}
.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,box-shadow .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{
  display:flex;align-items:center;justify-content:center;
  height:80px;border:1px dashed var(--border);border-radius:var(--radius);
  background:#fff;color:var(--text-light);font-size:14px;letter-spacing:1px;
}
.step-list{display:grid;gap:20px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-number{
  flex:0 0 42px;width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-weight:800;
}

.footer{background:#17142a;color:#cfcae8;padding:64px 0 0}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:44px}
.footer-col{}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px}
.footer-link{display:block;color:#cfcae8;font-size:14px;padding:5px 0;transition:color .2s}
.footer-link:hover{color:#fff}
.footer-info{font-size:14px;line-height:2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:#9c96bd;text-align:center}

@media (max-width:1199px){
  .hero-title{font-size:42px}
}
@media (max-width:991px){
  .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:repeat(2,1fr)}
  .nav-list{
    position:fixed;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 20px 24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 26px rgba(29,27,46,.1);
    display:none;
  }
  .nav-list.open{display:flex}
  .nav-toggle{display:block}
  .nav-cta .btn{padding:9px 18px;font-size:14px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .hero{padding:120px 0 60px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:15px}
  .section-title{font-size:26px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding:24px 16px}
  .hero-stat-num{font-size:22px}
  .nav-cta .btn{display:none}
}
@media (max-width:479px){
  .hero-title{font-size:26px}
  .hero-actions .btn{width:100%}
  .footer-inner{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
}