:root{
  --primary:#1f6feb;
  --primary-dark:#164faa;
  --primary-light:#e6f0ff;
  --accent:#ff7a45;
  --text:#1c2531;
  --text-light:#63708a;
  --bg:#ffffff;
  --bg-alt:#f5f7fb;
  --border:#e3e8f0;
  --shadow:0 6px 24px rgba(20,40,90,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,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:1.35;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:clamp(24px,3vw,34px);letter-spacing:.5px;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.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(20,40,90,.14);}
.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:18px;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}
.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;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-light);}
.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 var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 6px 20px rgba(20,40,90,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:1px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s;}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--text);cursor:pointer;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f2f7ff 0%,#ffffff 55%,#fff6f1 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:clamp(28px,4.4vw,50px);letter-spacing:-.5px;max-width:820px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{margin-top:22px;font-size:clamp(15px,1.6vw,18px);color:var(--text-light);max-width:720px;}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:16px;}
.hero-stats{margin-top:56px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--primary);}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid var(--primary-light);}
.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;color:var(--accent);font-weight:600;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.timeline-text{color:var(--text-light);font-size:15px;}
.news-list{display:grid;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,40,90,.14);}
.news-title{font-size:18px;margin-bottom:10px;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;}
.news-date{font-size:13px;color:var(--text-light);}
.news-category{font-size:12px;color:var(--primary);background:var(--primary-light);padding:3px 12px;border-radius:999px;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:14px;color:var(--text-light);font-size:15px;}
.news-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tag{font-size:12px;color:var(--text-light);background:var(--bg-alt);border:1px solid var(--border);padding:4px 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:16px;font-weight:700;color:var(--text);display:flex;gap:10px;}
.faq-question::before{content:"Q";color:var(--primary);font-weight:800;flex-shrink:0;}
.faq-answer{margin-top:12px;color:var(--text-light);font-size:15px;padding-left:26px;}
.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 16px;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{padding:13px 34px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;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:22px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.stat-number{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--primary);}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);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 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:10px;}
.bar-fill{width:100%;max-width:54px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));}
.bar-label{font-size:12px;color:var(--text-light);text-align:center;}
.badge{display:inline-block;font-size:12px;font-weight:600;color:var(--primary-dark);background:var(--primary-light);padding:4px 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,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(20,40,90,.14);}
.partner-logo{height:76px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;}
.step-list{display:grid;gap:20px;counter-reset:step;}
.step-item{position:relative;padding-left:64px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px 24px 76px;box-shadow:var(--shadow);}
.step-number{position:absolute;left:20px;top:24px;width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}
.footer{background:#111a27;color:#c6cedd;padding:70px 0 0;}
.footer-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;padding-bottom:48px;}
.footer-col{font-size:14px;line-height:2;}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-link{display:block;color:#c6cedd;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;font-size:13px;color:#8d99ad;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;}
.footer-info{font-size:14px;line-height:2;color:#c6cedd;}
.footer-info a{color:#c6cedd;}
.footer-info a:hover{color:#fff;}
@media (max-width:1200px){
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
}
@media (max-width:768px){
  .grid-2{grid-template-columns:1fr;}
  .grid{gap:18px;}
  .hero{padding:120px 0 70px;}
  .card{padding:22px;}
  .nav-cta .btn{display:none;}
}
@media (max-width:480px){
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .container{padding:0 16px;}
}