:root{
  --primary:#c2410c;
  --primary-dark:#9a3412;
  --primary-light:#fff1e8;
  --accent:#f59e0b;
  --text:#1f2328;
  --text-light:#5b6470;
  --bg:#ffffff;
  --bg-alt:#f7f5f2;
  --border:#e6e2dc;
  --shadow:0 6px 20px rgba(31,35,40,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",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;}
.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;line-height:1.3;font-weight:700;letter-spacing:.5px;
  position:relative;display:inline-block;padding-bottom:14px;
}
.section-title::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:56px;height:4px;border-radius:2px;background:var(--primary);
}
.section-subtitle{margin-top:18px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.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;gap:16px;align-items:center;}
.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,border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(31,35,40,.12);border-color:#f0c9b3;}
.card-icon{
  width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);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{margin-top:12px;}

.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:2px solid transparent;cursor:pointer;transition:all .25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(194,65,12,.28);}
.btn-primary:hover{background: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;}
.btn-sm{padding:8px 18px;font-size:13px;}

.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{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.5px;}
.nav-logo span{display:inline-flex;width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-size:16px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text-light);position:relative;padding:6px 0;transition:color .25s;}
.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-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;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;transition:.3s;}

.hero{
  padding:140px 0 90px;
  background:
    radial-gradient(circle at 82% 18%,rgba(245,158,11,.18),transparent 52%),
    radial-gradient(circle at 8% 78%,rgba(194,65,12,.14),transparent 55%),
    linear-gradient(180deg,#fffaf6 0%,#ffffff 100%);
  border-bottom:1px solid var(--border);
}
.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:800;letter-spacing:1px;
  max-width:900px;margin:0 auto 22px;
}
.hero-subtitle{
  font-size:18px;color:var(--text-light);max-width:720px;margin:0 auto 36px;
}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  max-width:960px;margin:0 auto;
}
.hero-stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 16px;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;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-item:last-child{padding-bottom:0;}
.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);
}
.timeline-content{padding-left:4px;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0 6px;}
.timeline-text{font-size:14px;color:var(--text-light);}

.news-list{display:flex;flex-direction:column;gap:18px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.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;flex-wrap:wrap;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:999px;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{font-size:12px;color:var(--text-light);background:var(--bg-alt);border:1px solid var(--border);padding:3px 10px;border-radius:999px;}

.faq-list{display:flex;flex-direction:column;gap:16px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:8px;}
.faq-answer{font-size:15px;color:var(--text-light);}

.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:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .25s,box-shadow .25s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(194,65,12,.12);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;padding:13px 32px;border:none;border-radius:999px;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;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;padding:18px;}
.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:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:16px;height:200px;padding-top:10px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--accent),var(--primary));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:12px;color:var(--text-light);text-align:center;}

.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary);}
.customer-card,.case-card,.honor-card,.partner-logo,.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 14px 30px rgba(31,35,40,.12);
}
.partner-logo{display:flex;align-items:center;justify-content:center;min-height:90px;color:var(--text-light);font-size:14px;}

.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);}
.step-number{
  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:16px;margin-bottom:14px;
}

.footer{background:#1b1f24;color:#c8ced6;padding:60px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 44px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{min-width:0;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-link{display:block;font-size:14px;color:#a9b1bb;padding:5px 0;transition:color .25s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;color:#a9b1bb;line-height:1.9;word-break:break-all;}
.footer-bottom{
  border-top:1px solid #2c3238;padding:20px;text-align:center;font-size:13px;color:#8892a0;
}
.footer-bottom a{color:#8892a0;}
.footer-bottom a:hover{color:var(--accent);}

@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .section{padding:70px 0;}
}
@media (max-width:991px){
  .nav-list{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:12px 20px;border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(31,35,40,.1);display:none;
  }
  .nav-list.active{display:flex;}
  .nav-link{padding:12px 0;border-bottom:1px solid var(--bg-alt);}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:34px;}
  .section-title{font-size:27px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;gap:28px;}
  .bar-chart{height:160px;gap:10px;}
}
@media (max-width:479px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-title{font-size:24px;}
  .section-title{font-size:23px;}
  .card{padding:22px;}
  .hero-stat-num{font-size:26px;}
}