:root{
  --primary:#f5a623;
  --primary-dark:#c97f0d;
  --primary-light:#fdf2dc;
  --accent:#3a8f6f;
  --text:#23262b;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#fbf7ef;
  --border:#e8e4dc;
  --shadow:0 6px 24px rgba(35,38,43,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
button,input,select,textarea{font:inherit;color:inherit;}

.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;color:var(--text);margin-bottom:14px;position:relative;}
.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;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}

.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s, box-shadow .3s;border:1px solid var(--border);}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(35,38,43,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:16px;}
.card-title{font-size:19px;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}

.btn{display:inline-block;border:none;border-radius:999px;padding:13px 30px;font-size:15px;font-weight:600;cursor:pointer;transition:background .25s,color .25s,transform .25s,border-color .25s;text-align:center;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary-dark);border:1.5px solid var(--primary);}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px);}
.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,.95);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(35,38,43,.09);border-bottom-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary-dark);display:flex;align-items:center;gap:8px;letter-spacing:.5px;}
.nav-logo::before{content:"";width:14px;height:14px;border-radius:50%;background:var(--primary);display:inline-block;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .25s;}
.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 .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;position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:11px;width:20px;height:2px;background:var(--text);transition:.3s;}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;left:0;}
.nav-toggle span::after{top:6px;left:0;}

.hero{padding:150px 0 90px;background:linear-gradient(160deg,var(--primary-light) 0%,#ffffff 62%,var(--bg-alt) 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.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:0 auto 34px;}
.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: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:28px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:4px;}

.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--primary);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.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;margin-bottom:8px;}
.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:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:999px;font-size:12px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{font-size:12px;color:var(--accent);background:rgba(58,143,111,.1);border-radius:999px;padding:3px 12px;}

.faq-list{display:flex;flex-direction:column;gap:16px;max-width:860px;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:10px;}
.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;background:#fff;font-size:15px;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 var(--primary-light);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}

.stat-item{text-align:center;padding:24px 12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.stat-number{font-size:30px;font-weight:800;color:var(--primary-dark);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--primary-light);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px;}

.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);}
.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(35,38,43,.12);}
.partner-logo{height:80px;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:flex;flex-direction:column;gap:22px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{flex:none;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;}

.footer{background:#1f2228;color:#c9ccd2;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{font-size:16px;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:#c9ccd2;margin-bottom:8px;transition:color .25s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;color:#c9ccd2;line-height:2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px;text-align:center;font-size:13px;color:#8d919a;}

@media (max-width:1200px){
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-list{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease;box-shadow:0 12px 24px rgba(35,38,43,.1);}
  .nav-list.active{max-height:420px;padding:12px 20px 20px;}
  .nav-list .nav-link{display:block;width:100%;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .section-title{font-size:26px;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
}