:root{
  --primary:#ff7a1a;
  --primary-dark:#d95e00;
  --primary-light:#ffe9d6;
  --accent:#2b3a67;
  --text:#1f2328;
  --text-light:#5b6470;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e6e8ec;
  --shadow:0 6px 20px rgba(31,35,40,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
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;letter-spacing:.5px;margin-bottom:14px;}
.section-title::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--primary);margin:16px 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;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 12px 28px rgba(31,35,40,.12);}
.card-icon{
  width:52px;height:52px;border-radius:14px;background:var(--primary-light);
  color:var(--primary-dark);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;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}

.btn{
  display:inline-block;padding:13px 28px;border-radius:999px;font-size:16px;
  font-weight:600;cursor:pointer;border:2px solid transparent;text-align:center;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}
.btn:hover{transform:translateY(-2px);}
.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(--accent);border-color:var(--accent);}
.btn-outline:hover{background:var(--accent);color:#fff;}
.btn-sm{padding:8px 18px;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:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(31,35,40,.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:20px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:6px 0;}
.nav-link:hover{color:var(--primary-dark);}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);transition:width .3s;
}
.nav-link:hover::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;
  background:#fff;cursor:pointer;font-size:20px;color:var(--text);
}

.hero{
  padding:150px 0 90px;background:linear-gradient(160deg,#fff8f1 0%,#ffffff 55%,#f2f5fb 100%);
  overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:20px;}
.hero-title strong{color:var(--primary-dark);}
.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:52px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary-dark);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:28px;}
.timeline-dot{
  position:absolute;left:-37px;top:6px;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;}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.timeline-text{color:var(--text-light);font-size:15px;}

.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);
}
.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:10px;flex-wrap:wrap;}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--primary-light);color:var(--primary-dark);border-radius:999px;
  padding:2px 10px;font-size:12px;font-weight:600;
}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{color:var(--text-light);font-size:15px;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);
  border-radius:999px;padding:3px 12px;font-size:13px;
}

.faq-list{display:grid;gap:16px;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:17px;font-weight:700;margin-bottom:10px;color:var(--accent);}
.faq-answer{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%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;outline:none;
  transition:border-color .25s,box-shadow .25s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-block;background:var(--primary);color:#fff;border:none;border-radius:999px;
  padding:13px 34px;font-size:16px;font-weight:600;cursor:pointer;transition:background .25s;
}
.form-submit:hover{background:var(--primary-dark);}
.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);display:block;}
.stat-label{font-size:14px;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden;margin:10px 0;}
.progress-fill{height:100%;border-radius:999px;background:var(--primary);}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:70%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary) 0%,var(--primary-dark) 100%);}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}

.badge{
  display:inline-block;background:var(--accent);color:#fff;border-radius:6px;
  padding:2px 10px;font-size:12px;font-weight:600;
}
.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;
  background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-light);font-size:14px;
}
.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%;background:var(--primary-light);
  color:var(--primary-dark);font-weight:800;display:flex;align-items:center;justify-content:center;
}

.footer{background:#1c2230;color:#c8cfda;padding:64px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-col{min-width:0;}
.footer-title{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-link{display:block;color:#c8cfda;font-size:14px;padding:5px 0;transition:color .25s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;line-height:2;color:#c8cfda;}
.footer-bottom{
  max-width:1200px;margin:48px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8e97a6;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

@media (max-width:1200px){
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:992px){
  .hero-title{font-size:38px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .nav-list{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:12px 20px 20px;border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(31,35,40,.08);display:none;
  }
  .nav-list.open{display:flex;}
  .nav-list .nav-link{display:block;padding:12px 0;width:100%;border-bottom:1px solid var(--bg-alt);}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .card{padding:22px;}
}