:root{
  --primary:#e8543f;
  --primary-dark:#c23a27;
  --primary-light:#fdece9;
  --accent:#2b3a55;
  --text:#22262e;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --border:#e6e8ec;
  --shadow:0 4px 20px rgba(28,35,48,.07);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",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,svg{display:block;max-width:100%;}
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:760px;margin:0 auto 52px;}
.section-title{font-size:30px;letter-spacing:-.3px;margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:26px;grid-template-columns:repeat(3,1fr);}
.grid-2{display:grid;gap:26px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:26px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:22px;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;}
.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 12px 30px rgba(28,35,48,.11);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:var(--primary);
}
.card-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.card-title{font-size:18px;margin-bottom:10px;}
.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:1.5px solid transparent;cursor:pointer;transition:.25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color: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:8px 18px;font-size:13px;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:.3s;
}
.nav.scrolled{box-shadow:0 3px 18px rgba(28,35,48,.09);border-bottom-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.2px;}
.nav-logo svg{width:30px;height:30px;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;padding:6px 0;position:relative;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transition:transform .25s;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.hero{
  padding:150px 0 90px;
  background:
    radial-gradient(circle at 88% 8%,rgba(232,84,63,.10),transparent 46%),
    radial-gradient(circle at 6% 88%,rgba(43,58,85,.08),transparent 44%),
    linear-gradient(180deg,#fff 0%,#fdfcfb 100%);
  overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:clamp(30px,5vw,50px);letter-spacing:-1px;font-weight:800;margin-bottom:22px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{max-width:720px;margin:0 auto 36px;font-size:17px;color:var(--text-light);}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:880px;margin:0 auto;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:32px 24px;box-shadow:var(--shadow);
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;letter-spacing:-.5px;}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:820px;margin:0 auto;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:34px;}
.timeline-dot{
  position:absolute;left:-34px;top:5px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:8px;}
.timeline-text{font-size:14.5px;color:var(--text-light);}
.news-list{display:grid;gap:18px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;transition:.3s;}
.news-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.news-title{font-size:17px;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 12px;border-radius:999px;font-weight:600;}
.news-summary{font-size:14.5px;color:var(--text-light);}
.news-body{font-size:14.5px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{font-size:12.5px;color:var(--accent);background:var(--bg-alt);border:1px solid var(--border);padding:3px 12px;border-radius:999px;}
.faq-list{max-width:840px;margin:0 auto;display:grid;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;}
.faq-question{font-size:16px;font-weight:700;margin-bottom:10px;display:flex;gap:10px;}
.faq-question::before{content:"Q";color:var(--primary);font-weight:800;}
.faq-answer{font-size:14.5px;color:var(--text-light);padding-left:26px;}
.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 16px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:.2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 34px;border-radius:999px;background:var(--primary);color:#fff;
  border:none;font-size:15px;font-weight:600;cursor:pointer;transition:.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:32px;font-weight:800;color:var(--primary);letter-spacing:-.5px;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:9px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:0 4px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;max-width:52px;background:linear-gradient(180deg,var(--primary),#f0917f);border-radius:8px 8px 0 0;}
.bar-label{font-size:12.5px;color:var(--text-light);margin-top:10px;text-align:center;}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary);}
.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:24px;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);box-shadow:0 12px 30px rgba(28,35,48,.11);}
.partner-logo{
  height:78px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px dashed var(--border);border-radius:12px;
  font-size:14px;color:var(--text-light);font-weight:600;
}
.step-list{display:grid;gap:18px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:none;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.footer{background:var(--accent);color:#c9d1e0;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 48px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:38px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;color:#c9d1e0;font-size:14px;margin-bottom:11px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#c9d1e0;line-height:2;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 20px;
  text-align:center;font-size:13px;color:#9aa6bd;
}
@media (max-width:1199px){
  .container,.nav-inner,.hero-inner,.footer-inner{padding:0 18px;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero{padding:132px 0 72px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:26px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:30px;}
  .nav-list{
    position:fixed;top:68px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;
    padding:0 24px;max-height:0;overflow:hidden;
    box-shadow:0 12px 24px rgba(28,35,48,.08);transition:max-height .3s;
  }
  .nav-list.active{max-height:340px;padding:14px 24px 22px;}
  .nav-list li{width:100%;}
  .nav-link{display:block;padding:12px 0;width:100%;border-bottom:1px solid var(--border);}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{padding:10px 20px;font-size:14px;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:25px;}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-title{font-size:32px;}
  .hero-actions .btn{width:100%;max-width:300px;}
  .bar-chart{height:170px;gap:10px;}
}
@media (max-width:480px){
  .hero{padding:118px 0 56px;}
  .hero-stats{grid-template-columns:1fr 1fr;padding:24px 14px;gap:20px;}
  .hero-stat-num{font-size:24px;}
  .card{padding:22px;}
  .nav-cta .btn{display:none;}
  .footer-inner{grid-template-columns:1fr;}
}