:root{
  --primary:#e63946;
  --primary-dark:#b52630;
  --primary-light:#fdecee;
  --accent:#ff8c42;
  --text:#22262b;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e6e8ec;
  --shadow:0 4px 18px rgba(24,28,35,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{max-width:100%;display:block;}
.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:1.35;font-weight:700;letter-spacing:.5px;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.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:14px;flex-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.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(24,28,35,.12);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);
  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{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}
.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;line-height:1;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.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:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 3px 16px rgba(24,28,35,.1);border-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-logo{
  font-size:21px;font-weight:800;letter-spacing:.5px;
  color:var(--primary);display:flex;align-items:center;gap:8px;
}
.nav-logo span{color:var(--text);font-weight:600;font-size:14px;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:6px 0;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);
  border-radius:10px;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,var(--primary-light) 0%,#fff 58%);
  position:relative;overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:46px;line-height:1.28;font-weight:800;letter-spacing:1px;
  max-width:880px;margin:0 auto;
}
.hero-title em{color:var(--primary);font-style:normal;}
.hero-subtitle{
  max-width:720px;margin:22px auto 0;color:var(--text-light);font-size:17px;
}
.hero-actions{margin-top:36px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
.hero-stats{
  margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 20px;box-shadow:var(--shadow);
}
.hero-stat{text-align:center;padding:0 8px;}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;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:30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-28px;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:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0 8px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:grid;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(24,28,35,.12);}
.news-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--primary-light);color:var(--primary);
  padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;
}
.news-summary{margin-top:12px;color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;color:var(--text);font-size:15px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{
  background:var(--bg-alt);border:1px solid var(--border);
  color:var(--text-light);font-size:12px;padding:4px 12px;border-radius:999px;
}
.faq-list{display:grid;gap:16px;max-width:880px;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;display:flex;gap:10px;}
.faq-question::before{content:"问";color:var(--primary);font-weight:800;flex:0 0 auto;}
.faq-answer{margin-top:12px;padding-left:26px;color:var(--text-light);font-size:15px;}
.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 .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{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 34px;border-radius:999px;border:none;cursor:pointer;
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;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:20px 12px;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:10px;border:1px solid var(--border);}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:10px;}
.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,var(--primary),var(--primary-light));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:13px;color:var(--text-light);}
.badge{
  display:inline-block;background:var(--primary);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.customer-card,.case-card,.honor-card,.benefit-card,.support-card,.region-card,.review-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,.benefit-card:hover,
.support-card:hover,.region-card:hover,.review-card:hover{transform:translateY(-4px);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:80px;background:var(--bg-alt);border:1px dashed var(--border);
  border-radius:var(--radius);color:var(--text-light);font-size:14px;
}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:0 0 auto;width:42px;height:42px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer{background:#1c1f24;color:#c7ccd4;padding:64px 0 0;margin-top:0;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;}
.footer-col h3,.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:#c7ccd4;font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;line-height:1.9;color:#c7ccd4;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;font-size:13px;color:#8b929c;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
}
@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);gap:26px;}
  .section{padding:64px 0;}
  .section-title{font-size:27px;}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:4px;
    background:#fff;border-bottom:1px solid var(--border);
    padding:12px 20px 20px;box-shadow:var(--shadow);display:none;
  }
  .nav-list.open{display:flex;}
  .nav-link{width:100%;padding:11px 0;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
}
@media (max-width:768px){
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:31px;}
  .hero-subtitle{font-size:16px;}
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .bar-chart{height:180px;gap:10px;}
  .step-item{gap:14px;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;letter-spacing:.5px;}
  .hero-stats{grid-template-columns:1fr;padding:24px 16px;}
  .card{padding:22px;}
  .section{padding:52px 0;}
  .section-title{font-size:23px;}
  .footer-inner{grid-template-columns:1fr;}
  .news-item{padding:20px;}
}