:root{
  --primary:#2b2b3c;
  --primary-dark:#191924;
  --primary-light:#5a5a78;
  --accent:#e0562f;
  --text:#23232f;
  --text-light:#6a6a7a;
  --bg:#ffffff;
  --bg-alt:#f5f5f8;
  --border:#e2e2ea;
  --shadow:0 4px 18px rgba(25,25,36,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Helvetica Neue",Arial,"PingFang SC","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{list-style:none;}
img{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;font-weight:800;letter-spacing:.5px;color:var(--primary-dark);margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:26px;}
.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;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s;}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(25,25,36,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;color:var(--primary-dark);margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:14px;}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;cursor:pointer;border:2px solid transparent;transition:background .25s,color .25s,border-color .25s,transform .25s;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:var(--primary);color:var(--primary-dark);background:transparent;}
.btn-outline:hover{background:var(--primary-dark);color:#fff;border-color:var(--primary-dark);}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav{position:fixed;top:0;left:0;width:100%;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);z-index:999;transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 4px 20px rgba(25,25,36,.12);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:70px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:20px;font-weight:900;color:var(--primary-dark);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;font-weight:600;color:var(--text);transition:color .25s;}
.nav-link:hover{color:var(--accent);}
.nav-toggle{display:none;font-size:24px;background:none;border:none;cursor:pointer;color:var(--primary-dark);}
.nav-cta{margin-left:24px;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f7f7fa 0%,#ececf2 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;font-weight:900;line-height:1.25;color:var(--primary-dark);letter-spacing:1px;margin-bottom:22px;}
.hero-title span{color:var(--accent);}
.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:flex;justify-content:center;gap:60px;flex-wrap:wrap;}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:34px;font-weight:900;color:var(--accent);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:26px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding:0 0 34px 30px;}
.timeline-dot{position:absolute;left:-34px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--accent);}
.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;font-weight:700;color:var(--accent);}
.timeline-title{font-size:17px;font-weight:700;color:var(--primary-dark);margin:6px 0;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:19px;font-weight:700;color:var(--primary-dark);margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:12px;font-size:13px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--bg-alt);color:var(--primary-light);padding:3px 12px;border-radius:999px;font-weight:700;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:12px;}
.news-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.tag{background:var(--bg-alt);color:var(--text-light);font-size:13px;padding:3px 12px;border-radius:999px;}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
.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;color:var(--primary-dark);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:700;color:var(--primary-dark);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;font-family:inherit;color:var(--text);background:#fff;transition:border-color .25s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-block;padding:13px 34px;border-radius:999px;background:var(--accent);color:#fff;font-size:15px;font-weight:700;border:none;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;padding:24px 12px;}
.stat-number{font-size:34px;font-weight:900;color:var(--accent);}
.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:10px 0;}
.progress-fill{height:100%;background:var(--accent);border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding:16px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;background:var(--primary-light);border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;text-align:center;}
.badge{display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;}
.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;}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,.benefit-card:hover,.region-card:hover,.support-card:hover{transform:translateY(-4px);}
.partner-logo{background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);padding:26px;text-align:center;font-size:14px;color:var(--text-light);font-weight:700;}
.step-list{display:flex;flex-direction:column;gap:20px;max-width:820px;margin:0 auto;}
.step-item{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;}
.footer{background:var(--primary-dark);color:#c9c9d4;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#c9c9d4;font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;line-height:2;color:#c9c9d4;}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8f8fa0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:34px;}
  .hero{padding:130px 0 70px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-list{position:fixed;top:70px;left:0;width:100%;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .3s;border-bottom:1px solid var(--border);}
  .nav-list.active{max-height:420px;padding:12px 0;}
  .nav-list li{width:100%;}
  .nav-link{display:block;padding:14px 24px;width:100%;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .hero-stats{gap:34px;}
  .hero-title{font-size:29px;}
  .section-title{font-size:25px;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 56px;}
  .hero-title{font-size:25px;}
  .hero-subtitle{font-size:16px;}
  .btn{padding:11px 22px;font-size:14px;}
  .section{padding:52px 0;}
  .card{padding:22px;}
}