:root{
  --primary:#e8543f;
  --primary-dark:#c23b29;
  --primary-light:#fdeae6;
  --accent:#f5a623;
  --text:#22252a;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e6e8eb;
  --shadow:0 6px 24px rgba(20,24,32,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
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;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{max-width:100%;vertical-align:middle;}
button{font-family:inherit;cursor:pointer;}

.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;letter-spacing:.5px;margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}

.grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}

.flex{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}

.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 12px 32px rgba(20,24,32,.12);}
.card-icon{width:52px;height:52px;border-radius:14px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{font-size:15px;color:var(--text-light);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:16px;font-weight:600;border:2px solid transparent;transition:all .25s;line-height:1.2;}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary-dark);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}

.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 transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(20,24,32,.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;gap:20px;}
.nav-logo{font-size:20px;font-weight:800;letter-spacing:.5px;display:flex;align-items:center;gap:9px;color:var(--text);}
.nav-logo::before{content:"";width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-block;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{display:block;padding:9px 14px;font-size:15px;border-radius:8px;color:var(--text);transition:color .2s,background .2s;}
.nav-link:hover{color:var(--primary-dark);background:var(--primary-light);}
.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;font-size:20px;line-height:1;color:var(--text);}

.hero{padding:140px 0 80px;background:linear-gradient(180deg,var(--primary-light) 0%,#fff 78%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;margin-bottom:22px;}
.hero-subtitle{max-width:760px;margin:0 auto 36px;font-size:18px;color:var(--text-light);}
.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 12px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary-dark);line-height:1.2;}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}

.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding:0 0 34px 24px;}
.timeline-dot{position:absolute;left:-37px;top:6px;width:16px;height:16px;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 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;margin-bottom:4px;}
.timeline-title{font-size:17px;font-weight:700;margin-bottom:6px;}
.timeline-text{font-size:15px;color:var(--text-light);}

.news-list{display:grid;gap:20px;}
.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: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;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:13px;padding:3px 12px;border-radius:999px;}

.faq-list{display:grid;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:15px;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;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:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:700;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;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 16px;box-shadow:var(--shadow);}
.stat-number{font-size:32px;font-weight:800;color:var(--primary-dark);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:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-light));}
.bar-label{font-size:13px;color:var(--text-light);}

.badge{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);}
.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;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.step-number{flex:none;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}

.footer{background:#1d2026;color:#c9cdd4;padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-col{}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:#c9cdd4;padding:5px 0;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;line-height:1.9;color:#c9cdd4;}
.footer-bottom{border-top:1px solid #2e323a;padding:20px;text-align:center;font-size:13px;color:#8b909a;}

@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-toggle{display:block;}
  .nav-list{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--border);padding:12px 20px 20px;gap:4px;display:none;box-shadow:0 12px 24px rgba(20,24,32,.08);}
  .nav-list.open{display:flex;}
  .nav-link{padding:12px 10px;}
  .nav-cta .btn{display:none;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .section-title{font-size:26px;}
}
@media (max-width:480px){
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-title{font-size:26px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:12px;}
  .hero-stat-num{font-size:24px;}
  .footer-inner{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
}