:root{
  --primary:#e0453a;
  --primary-dark:#b7322a;
  --primary-light:#fdeceb;
  --accent:#f5a623;
  --text:#22262b;
  --text-light:#666e78;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e6e9ee;
  --shadow:0 6px 24px rgba(30,38,50,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","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{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;position:relative;}
.section-title::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:var(--primary);margin:14px auto 0;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.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;align-items:center;justify-content:space-between;}
.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 32px rgba(30,38,50,.14);}
.card-icon{
  width:54px;height:54px;border-radius:12px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;margin-bottom:10px;color:var(--text);}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{color:var(--text-light);font-size:15px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:8px;font-size:16px;font-weight:600;
  cursor:pointer;border:2px solid transparent;transition:all .25s;line-height:1;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color: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;border-radius:6px;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);transition:box-shadow .3s;border-bottom:1px solid var(--border);
}
.nav.scrolled{box-shadow:0 4px 18px rgba(30,38,50,.1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:9px;white-space:nowrap;}
.nav-logo::before{
  content:"";width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-block;
}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);padding:6px 0;position:relative;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);transition:width .25s;
}
.nav-link:hover::after{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:8px;
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;}
.nav-cta{white-space:nowrap;}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#fff5f4 0%,#ffffff 55%,#fdf7ef 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(224,69,58,.12),transparent 70%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.hero-title{font-size:46px;line-height:1.28;margin-bottom:20px;color:var(--text);letter-spacing:-.5px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:720px;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;}
.hero-stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 18px;text-align:center;box-shadow:var(--shadow);
}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;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:30px;}
.timeline-dot{
  position:absolute;left:-34px;top:4px;width:20px;height:20px;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:700;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:8px;}
.timeline-text{font-size:14px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(30,38,50,.14);}
.news-title{font-size:18px;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:13px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:20px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;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:13px;padding:3px 12px;border-radius:20px;}
.faq-list{display:flex;flex-direction:column;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;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;}
.faq-question::before{content:"问";flex:none;width:24px;height:24px;border-radius:6px;background:var(--primary);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;}
.faq-answer{font-size:15px;color:var(--text-light);padding-left:34px;}
.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:8px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;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(224,69,58,.12);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px 12px;}
.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;background:var(--bg-alt);border-radius:20px;overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:20px;transition:width .6s;}
.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%;max-width:52px;background:linear-gradient(180deg,var(--primary),var(--accent));border-radius:8px 8px 0 0;transition:height .6s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px;}
.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:20px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius);
  padding:26px 16px;text-align:center;color:var(--text-light);font-size:14px;box-shadow:var(--shadow);
}
.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;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.step-number{
  width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin-bottom:16px;
}
.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:#1d2228;color:#c7ced7;padding:60px 0 24px;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;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:#c7ced7;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;line-height:2;color:#c7ced7;}
.footer-bottom{border-top:1px solid #313840;padding-top:22px;text-align:center;font-size:13px;color:#8b949f;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .container{padding:0 24px;}
}
@media (max-width:992px){
  .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;}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:36px;}
}
@media (max-width:768px){
  .nav-list{
    display:none;position:absolute;top:72px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;padding:12px 20px;
    border-bottom:1px solid var(--border);box-shadow:0 10px 24px rgba(30,38,50,.1);
  }
  .nav-list.open{display:flex;}
  .nav-list .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:31px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .card{padding:22px;}
  .hero-stat-num{font-size:26px;}
}