:root{
  --primary:#e8473f;
  --primary-dark:#b8342e;
  --primary-light:#ffd9d6;
  --accent:#2b2f45;
  --text:#24262e;
  --text-light:#6b7080;
  --bg:#ffffff;
  --bg-alt:#f6f7fb;
  --border:#e6e8ef;
  --shadow:0 6px 24px rgba(36,38,46,.08);
  --radius:14px;
}
*{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{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;}
.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:34px;font-weight:800;letter-spacing:-.5px;margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.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(36,38,46,.12);}
.card-icon{
  width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);font-size:22px;font-weight:800;margin-bottom:16px;
}
.card-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:16px;}
.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;background:none;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{border-color:var(--border);color:var(--text);background:#fff;}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.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(10px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(36,38,46,.09);border-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:22px;font-weight:900;letter-spacing:-.5px;color:var(--text);}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;
  background:#fff;font-size:18px;cursor:pointer;color:var(--text);line-height:1;
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(180deg,#fff6f5 0%,#ffffff 70%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:52px;font-weight:900;letter-spacing:-1.5px;margin-bottom:20px;}
.hero-title span{color:var(--primary);}
.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: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);}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;}
.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:28px;}
.timeline-dot{position:absolute;left:-28px;top:5px;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;}
.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:grid;gap:18px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.news-title{font-size:17px;font-weight:700;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.news-date{font-size:13px;color:var(--text-light);}
.news-category{font-size:12px;color:var(--primary-dark);background:var(--primary-light);padding:2px 10px;border-radius:999px;}
.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;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{font-size:12px;color:var(--text-light);border:1px solid var(--border);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 24px;}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;}
.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:15px;font-family:inherit;color:var(--text);background:#fff;outline:none;transition:border-color .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:10px;
  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;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 14px;box-shadow:var(--shadow);}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{width:100%;height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:var(--primary);border-radius:999px;width:0;}
.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;height:100%;text-align:center;}
.bar-fill{background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 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(36,38,46,.12);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;height:80px;
  border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;background:#fff;
}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;}
.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:var(--accent);color:#c9ccd8;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 48px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col{font-size:14px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:#c9ccd8;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;color:#c9ccd8;word-break:break-all;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 20px;text-align:center;font-size:13px;color:#9aa0b2;}
.footer-bottom a{color:#c9ccd8;}
@media(max-width:1200px){
  .container{max-width:1000px;}
}
@media(max-width:992px){
  .section{padding:64px 0;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:42px;}
  .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;
    align-items:flex-start;gap:0;padding:12px 20px;border-bottom:1px solid var(--border);
    display:none;box-shadow:0 12px 24px rgba(36,38,46,.1);
  }
  .nav-list.active{display:flex;}
  .nav-link{display:block;width:100%;padding:14px 0;border-bottom:1px solid var(--border);}
  .nav-link:last-child{border-bottom:none;}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:34px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .flex-between{flex-direction:column;align-items:flex-start;}
  .bar-chart{height:180px;gap:12px;}
}
@media(max-width:480px){
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .section-title{font-size:26px;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
}