:root{
  --primary:#ff5a3c;
  --primary-dark:#e03e22;
  --primary-light:#ffe9e4;
  --accent:#2b2f3a;
  --text:#23262e;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e8eaee;
  --shadow:0 6px 24px rgba(35,38,46,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
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;color:var(--text)}
.section-subtitle{margin-top:14px;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:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(35,38,46,.13)}
.card-icon{width:48px;height:48px;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;margin-bottom:10px;color:var(--text)}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:14px;color:var(--text-light);font-size:15px}
.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:1px solid transparent;cursor:pointer;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,90,60,.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-light)}
.btn-sm{padding:8px 18px;font-size:14px}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 4px 18px rgba(35,38,46,.09);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{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:1px;color:var(--text)}
.nav-logo::before{content:"";width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#ff9a3c);display:inline-block}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:4px 0;transition:color .2s}
.nav-link:hover{color:var(--primary)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:width .25s;border-radius:2px}
.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);background:#fff;border-radius:10px;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}
.hero{position:relative;padding:150px 0 90px;background:
  radial-gradient(circle at 88% 12%,rgba(255,154,60,.14),transparent 42%),
  radial-gradient(circle at 6% 82%,rgba(255,90,60,.10),transparent 40%),
  linear-gradient(180deg,#fffdfc 0%,var(--bg) 100%);overflow:hidden}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-title{font-size:48px;line-height:1.22;letter-spacing:1px}
.hero-title strong{color:var(--primary)}
.hero-subtitle{margin-top:22px;font-size:18px;color:var(--text-light);max-width:560px}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px}
.hero-stats{margin-top:52px;display:grid;grid-template-columns:repeat(3,auto);gap:40px;justify-content:flex-start}
.hero-stat{text-align:left}
.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:4px}
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-dot{position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--primary)}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.5px}
.timeline-title{font-size:18px;margin:6px 0 8px}
.timeline-text{color:var(--text-light);font-size:15px}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.news-item:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(35,38,46,.12)}
.news-title{font-size:19px;margin-bottom:10px}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);margin-bottom:12px}
.news-date{color:var(--text-light)}
.news-category{display:inline-block;padding:2px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-weight:600;font-size:12px}
.news-summary{color:var(--text-light);font-size:15px}
.news-body{margin-top:12px;color:var(--text-light);font-size:15px}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-block;padding:3px 12px;border-radius:6px;background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:12px}
.faq-list{display:flex;flex-direction:column;gap:16px}
.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;display:flex;gap:10px}
.faq-question::before{content:"?";color:var(--primary);font-weight:800}
.faq-answer{margin-top:10px;color:var(--text-light);font-size:15px;padding-left:24px}
.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 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;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 .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;padding:22px 12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius)}
.stat-number{font-size:30px;font-weight:800;color:var(--primary)}
.stat-label{font-size:14px;color:var(--text-light);margin-top:4px}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:10px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#ff9a3c);border-radius:999px}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:200px;padding:16px;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,#ff9a3c,var(--primary));border-radius:8px 8px 0 0;transition:height .4s}
.bar-label{font-size:12px;color:var(--text-light)}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:700}
.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 34px rgba(35,38,46,.12)}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px}
.step-list{display:flex;flex-direction:column;gap:20px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-number{flex:0 0 40px;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.footer{background:#1e2129;color:#c6cad3;padding:64px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:8px}
.footer-link{color:#a8aebb;font-size:14px;transition:color .2s}
.footer-link:hover{color:var(--primary)}
.footer-info{color:#a8aebb;font-size:14px;line-height:1.9}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 20px;text-align:center;font-size:13px;color:#8b919e}
@media (max-width:1200px){
  .hero-inner{gap:40px}
  .hero-title{font-size:42px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .section{padding:64px 0}
  .hero{padding:130px 0 70px}
  .hero-inner{grid-template-columns:1fr}
  .hero-title{font-size:38px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-list{display:none}
  .nav-list.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:#fff;padding:10px 20px 20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .nav-list.open .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-toggle{display:flex}
  .nav-cta .btn{display:none}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:24px}
  .section-title{font-size:26px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero{padding:120px 0 60px}
  .hero-title{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr;gap:18px}
  .hero-stat-num{font-size:26px}
  .card{padding:22px}
  .section{padding:52px 0}
}