:root{
  --primary:#d9480f;
  --primary-dark:#a83a0a;
  --primary-light:#ff8c42;
  --accent:#f6a04d;
  --text:#232323;
  --text-light:#666a70;
  --bg:#ffffff;
  --bg-alt:#fbf6f1;
  --border:#ece4dc;
  --shadow:0 6px 24px rgba(66,40,20,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","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{max-width:100%;display:block;}
.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;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text);
  position:relative;
  display:inline-block;
  padding-bottom:14px;
}
.section-title::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:56px;
  height:4px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:translateX(-50%);
}
.section-subtitle{color:var(--text-light);font-size:16px;margin-top:16px;}
.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{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(66,40,20,.14);}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-size:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{display:flex;flex-direction:column;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;
  cursor:pointer;border:2px solid transparent;transition:all .25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(217,72,15,.25);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);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,.92);
  backdrop-filter:blur(10px);
  transition:box-shadow .3s, background .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(66,40,20,.12);background:#fff;}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:8px;}
.nav-logo::before{
  content:"";width:12px;height:12px;border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:inline-block;
}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  padding:8px 14px;border-radius:8px;font-size:15px;color:var(--text-light);
  font-weight:500;transition:all .2s;
}
.nav-link:hover{color:var(--primary);background:rgba(217,72,15,.08);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;font-size:22px;color:var(--primary);
}
.hero{
  padding:150px 0 90px;
  background:
    radial-gradient(circle at 88% 12%, rgba(246,160,77,.22), transparent 42%),
    radial-gradient(circle at 6% 82%, rgba(217,72,15,.14), transparent 46%),
    linear-gradient(180deg,#fff 0%,var(--bg-alt) 100%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:46px;line-height:1.25;font-weight:900;letter-spacing:.5px;
  max-width:900px;margin:0 auto 22px;color:var(--text);
}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{
  font-size:18px;color:var(--text-light);max-width:720px;margin:0 auto 34px;
}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:900px;margin:0 auto;
}
.hero-stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 14px;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:28px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{
  position:absolute;left:-28px;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:10px;padding:16px 20px;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0;}
.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;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{
  background:rgba(217,72,15,.1);color:var(--primary);
  padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;
}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{color:var(--text-light);font-size:15px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{
  background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);
  padding:3px 12px;border-radius:999px;font-size:12px;
}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--text);}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;display:flex;flex-direction:column;gap:8px;}
.form-label{font-size:14px;font-weight:600;color:var(--text);}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;color:var(--text);background:#fff;font-family:inherit;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(217,72,15,.12);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 36px;border-radius:999px;border:none;cursor:pointer;
  background:var(--primary);color:#fff;font-size:16px;font-weight:600;transition:background .25s;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:8px;}
.stat-item{text-align:center;padding:20px;}
.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;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;justify-content:flex-end;align-items:center;height:100%;gap:8px;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:13px;color:var(--text-light);}
.badge{
  display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(217,72,15,.1);color:var(--primary);
}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.support-card,.region-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,.support-card:hover,.region-card:hover{transform:translateY(-4px);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:80px;border:1px dashed var(--border);border-radius:12px;
  color:var(--text-light);font-size:14px;background:#fff;
}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-weight:800;font-size:17px;
}
.footer{background:#20201e;color:#cfcac4;padding:64px 0 0;}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  max-width:1200px;margin:0 auto;padding:0 20px 48px;
}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.footer-link{font-size:14px;color:#b7b1aa;transition:color .2s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{font-size:14px;color:#b7b1aa;line-height:1.9;}
.footer-bottom{
  border-top:1px solid #35332f;text-align:center;
  padding:22px 20px;font-size:13px;color:#9a948d;
}
@media (min-width:1200px){
  .hero-title{font-size:50px;}
}
@media (max-width:992px){
  .hero-title{font-size:38px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
  .nav-list{
    position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:#fff;padding:16px 20px;gap:4px;
    box-shadow:0 12px 24px rgba(66,40,20,.12);
    display:none;
  }
  .nav-list.active{display:flex;}
  .nav-link{width:100%;padding:12px 14px;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
}
@media (max-width:768px){
  .hero{padding:124px 0 64px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .section{padding:52px 0;}
  .section-title{font-size:26px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .card{padding:22px;}
  .hero-actions .btn{width:100%;}
  .bar-chart{height:180px;gap:10px;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .hero-stat{padding:16px 10px;}
  .hero-stat-num{font-size:24px;}
  .footer-inner{grid-template-columns:1fr;}
  .nav-logo{font-size:18px;}
  .btn{padding:12px 22px;font-size:15px;}
}