:root{
  --primary:#e8542f;
  --primary-dark:#c23b1a;
  --primary-light:#fdeee9;
  --accent:#f6b73c;
  --text:#242424;
  --text-light:#6b6b6b;
  --bg:#ffffff;
  --bg-alt:#faf6f3;
  --border:#e9e2dd;
  --shadow:0 6px 24px rgba(36,36,36,.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;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul{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;font-weight:800;letter-spacing:.5px;margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;gap:28px;grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{display:grid;gap:22px;grid-template-columns:repeat(4,minmax(0,1fr));}
.flex{display:flex;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}
.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 32px rgba(36,36,36,.13);}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;margin-bottom:18px;
}
.card-title{font-size:18px;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:.25s;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.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:13px;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(36,36,36,.1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.5px;white-space:nowrap;}
.nav-logo span{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-size:17px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.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;font-size:20px;
  align-items:center;justify-content:center;color:var(--text);
}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#fff 0%,var(--primary-light) 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:1px;margin-bottom:20px;}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:760px;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-radius:var(--radius);padding:22px 14px;box-shadow:var(--shadow);border:1px solid var(--border);}
.hero-stat-num{font-size:26px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:4px;}
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-dot{position:absolute;left:-26px;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;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;}
.timeline-title{font-size:16px;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,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(36,36,36,.12);}
.news-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.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);padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:14px;color:var(--text);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:880px;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:16px;font-weight:700;margin-bottom:8px;}
.faq-answer{font-size:14px;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:14px;font-family:inherit;background:#fff;color:var(--text);
  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 var(--primary-light);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  width:100%;padding:14px;border:none;border-radius:10px;background:var(--primary);
  color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:background .2s;font-family:inherit;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:12px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:16px;}
.stat-number{font-size:30px;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;margin:10px 0;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);}
.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(--primary),var(--accent));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:12px;color:var(--text-light);}
.badge{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px;}
.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);box-shadow:0 14px 32px rgba(36,36,36,.12);}
.partner-logo{
  height:72px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-light);font-size:14px;
}
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-item{text-align:center;}
.step-number{
  width:50px;height:50px;margin:0 auto 14px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.footer{background:#232323;color:#cfc9c4;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{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;color:#b9b2ad;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px;border-top:1px solid #3a3a3a;font-size:13px;color:#8f8984;text-align:center;}
.footer-info{font-size:14px;color:#b9b2ad;line-height:2;}
@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:34px;}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .section-title{font-size:25px;}
  .footer-inner{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:480px){
  .hero-title{font-size:24px;}
  .hero-stats{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}