:root{
  --primary:#ff5a36;
  --primary-dark:#d93e1c;
  --primary-light:#ffe8e1;
  --accent:#2b2f6b;
  --text:#22242b;
  --text-light:#6a6f7d;
  --bg:#ffffff;
  --bg-alt:#f7f8fc;
  --border:#e6e8ef;
  --shadow:0 6px 20px rgba(34,36,43,.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;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
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 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;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(34,36,43,.13);}
.card-icon{
  width:52px;height:52px;border-radius:12px;display:flex;
  align-items:center;justify-content:center;margin-bottom:18px;
  background:var(--primary-light);color:var(--primary);font-size:22px;font-weight:700;
}
.card-title{font-size:19px;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{padding-top:6px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all .25s;border:2px solid transparent;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.3);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:#fff;}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 20px;font-size:14px;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:all .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(34,36,43,.1);border-bottom-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{font-size:21px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:9px;letter-spacing:.5px;}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:4px 0;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;flex-direction:column;gap:5px;padding:8px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  position:relative;padding:160px 0 90px;
  background:linear-gradient(160deg,#fff6f3 0%,#f7f8fc 55%,#eef0fb 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:480px;height:480px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,90,54,.16),transparent 68%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;}
.hero-title{
  font-size:46px;letter-spacing:1px;max-width:760px;
}
.hero-title em{color:var(--primary);font-style:normal;}
.hero-subtitle{
  margin-top:22px;font-size:17px;color:var(--text-light);max-width:680px;
}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:16px;}
.hero-stats{
  margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border-radius:var(--radius);padding:30px 24px;
  box-shadow:var(--shadow);border:1px solid var(--border);
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{
  position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px 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;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.timeline-text{font-size:14.5px;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,box-shadow .3s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(34,36,43,.12);}
.news-title{font-size:18px;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--primary-light);color:var(--primary);
  border-radius:999px;padding:2px 12px;font-weight:600;font-size:12.5px;
}
.news-summary{font-size:14.5px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text);margin-top:12px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:12.5px;color:var(--text-light);background:var(--bg-alt);
  border:1px solid var(--border);border-radius:999px;padding:3px 12px;
}
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:16.5px;font-weight:700;display:flex;gap:10px;}
.faq-question::before{content:"Q";color:var(--primary);font-weight:800;}
.faq-answer{margin-top:10px;font-size:14.5px;color:var(--text-light);padding-left:26px;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14.5px;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: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(255,90,54,.12);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 38px;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;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 18px;box-shadow:var(--shadow);}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#ff8a6b);border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:0 6px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;max-width:56px;background:linear-gradient(180deg,#ff8a6b,var(--primary));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--primary);
  background:var(--primary-light);border-radius:999px;padding:3px 12px;
}
.customer-card,.case-card,.honor-card,.benefit-card,.region-card,.support-card,.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;height:100%;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.benefit-card:hover,
.region-card:hover,.support-card:hover,.review-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(34,36,43,.13);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;height:86px;
  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:18px;}
.step-item{
  display:flex;gap:18px;align-items:flex-start;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);
}
.step-number{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;background:var(--primary);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.footer{background:#171a2b;color:#c8cbd8;padding:64px 0 26px;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{font-size:14.5px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#c8cbd8;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;line-height:2;color:#c8cbd8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:#8f93a6;
}
@media (max-width:1200px){
  .hero-title{font-size:42px;}
}
@media (max-width:992px){
  .nav-list{display:none;}
  .nav-list.active{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:#fff;gap:0;padding:10px 20px 20px;box-shadow:0 12px 24px rgba(34,36,43,.12);
    align-items:flex-start;
  }
  .nav-list.active .nav-link{padding:12px 0;width:100%;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
  .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);}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:34px;}
  .hero-subtitle{font-size:15.5px;}
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero-title{font-size:28px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .card{padding:22px;}
}