:root{
  --primary:#e2452f;
  --primary-dark:#b8301e;
  --primary-light:#ff7a62;
  --accent:#f5a623;
  --text:#1f2329;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f5f3;
  --border:#e6e2de;
  --shadow:0 4px 18px rgba(31,35,41,.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;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{display:block;max-width:100%;}
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);margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.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;justify-content:space-between;align-items:center;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 10px 28px rgba(31,35,41,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:8px;}
.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;font-family:inherit;}
.btn-primary{background:var(--primary);color:#fff;}
.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;transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:14px;}
.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 var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 4px 20px rgba(31,35,41,.12);}
.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{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.nav-logo span.nav-logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:6px 0;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--text);cursor:pointer;padding:6px;line-height:1;}
.nav-cta{padding:9px 20px;font-size:14px;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;transition:background .2s;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff5f2 0%,#fff 45%,#fdf1e8 100%);overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:48px;letter-spacing:1px;color:var(--text);margin-bottom:20px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:720px;margin:0 auto 36px;}
.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:880px;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:28px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{position:absolute;left:-32px;top:6px;width:20px;height:20px;border-radius:50%;background:var(--primary);border:4px solid #fff;box-shadow:0 0 0 2px 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:600;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:8px;}
.timeline-text{font-size:14px;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 26px;box-shadow:var(--shadow);}
.news-title{font-size:18px;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:rgba(226,69,47,.1);color:var(--primary);border-radius:999px;padding:2px 12px;font-size:12px;font-weight:600;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{font-size:14px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{display:inline-block;font-size:12px;padding:3px 11px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}
.faq-list{display:grid;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;color:var(--text);}
.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 .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;border:none;cursor:pointer;font-size:15px;font-family:inherit;transition:background .2s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.progress{width:100%;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(--primary-light));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;max-width:48px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;white-space:nowrap;}
.badge{display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:rgba(245,166,35,.15);color:#a06800;}
.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:26px;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{height:72px;display:flex;align-items:center;justify-content:center;background:var(--bg-alt);border:1px dashed var(--border);border-radius:10px;color:var(--text-light);font-size:13px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:linear-gradient(160deg,#fff,#fdf4f0);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.step-list{display:grid;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:700;}
.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:24px;box-shadow:var(--shadow);}
.footer{background:#1f2329;color:#c9ccd2;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:6px;}
.footer-link{font-size:14px;color:#c9ccd2;transition:color .2s;}
.footer-link:hover{color:var(--primary-light);}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8b9099;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.footer-info{font-size:14px;color:#c9ccd2;line-height:2;}
@media (max-width:1200px){
  .hero-title{font-size:42px;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .nav-list{
    position:absolute;top:68px;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:var(--shadow);display:none;
  }
  .nav-list.active{display:flex;}
  .nav-link{padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  .footer-inner{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .hero-stat-num{font-size:23px;}
  .card{padding:22px;}
}