:root{
  --primary:#3a5bf0;
  --primary-dark:#2240c4;
  --primary-light:#eaefff;
  --accent:#ff6a3d;
  --text:#1c2033;
  --text-light:#5c6480;
  --bg:#ffffff;
  --bg-alt:#f5f7fc;
  --border:#e3e7f2;
  --shadow:0 6px 20px rgba(28,32,51,.08);
  --radius:12px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
h2{font-size:30px}
.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:720px;margin:0 auto 48px}
.section-title{font-size:30px;color:var(--text);margin-bottom:14px;position:relative;display:inline-block}
.section-subtitle{color:var(--text-light);font-size:16px}
.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-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;border:1px solid var(--border)}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(28,32,51,.13)}
.card-icon{width:52px;height:52px;border-radius:14px;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;color:var(--text)}
.card-text{color:var(--text-light);font-size:15px}
.card-body{font-size:15px;color:var(--text-light)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.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,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 4px 18px rgba(28,32,51,.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:20px}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary);letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 14px;border-radius:8px;font-size:15px;color:var(--text);font-weight:500;transition:color .2s,background .2s}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);margin:0 auto;border-radius:2px}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f0f4ff 0%,#ffffff 55%,#fff5f0 100%);position:relative;overflow:hidden}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.hero-title{font-size:46px;font-weight:800;color:var(--text);margin-bottom:20px;letter-spacing:-.5px}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:680px;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 14px;box-shadow:var(--shadow)}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);display:block;line-height:1.2}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;display:block}
.timeline{position:relative;padding-left:8px}
.timeline-item{position:relative;padding:0 0 30px 34px;border-left:2px solid var(--border)}
.timeline-item:last-child{border-left-color:transparent;padding-bottom:0}
.timeline-dot{position:absolute;left:-9px;top:2px;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:18px 22px;box-shadow:var(--shadow)}
.timeline-date{font-size:13px;color:var(--accent);font-weight:700;display:block;margin-bottom:4px}
.timeline-title{font-size:17px;margin-bottom:6px}
.timeline-text{color:var(--text-light);font-size:14px}
.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);transition:transform .3s,box-shadow .3s}
.news-item:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(28,32,51,.13)}
.news-title{font-size:18px;margin-bottom:10px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.news-date{font-size:13px;color:var(--text-light)}
.news-category{font-size:12px;color:var(--primary);background:var(--primary-light);padding:2px 10px;border-radius:20px;font-weight:600}
.news-summary{color:var(--text-light);font-size:15px;margin-bottom:12px}
.news-body{color:var(--text-light);font-size:15px}
.news-tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12px;color:var(--text-light);background:var(--bg-alt);border:1px solid var(--border);padding:3px 10px;border-radius:20px}
.faq-list{display:grid;gap:14px;max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.faq-question{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px}
.faq-answer{color:var(--text-light);font-size:15px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--text)}
.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,box-shadow .2s}
.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:120px;resize:vertical}
.form-submit{margin-top:6px}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px}
.stat-item{text-align:center;padding:20px 10px}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);display:block}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px}
.progress{height:9px;background:var(--bg-alt);border-radius:20px;overflow:hidden;margin-bottom:18px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:20px}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:0 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%;max-width:56px;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0}
.bar-label{font-size:13px;color:var(--text-light)}
.badge{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:#fff0ea;border-radius:20px;padding:3px 12px}
.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 32px rgba(28,32,51,.13)}
.partner-logo{display:flex;align-items:center;justify-content:center;height:76px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;font-weight:600}
.step-list{display:grid;gap:22px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-number{flex-shrink:0;width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px}
.footer{background:#131a35;color:#c9cfe4;padding:64px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-col{font-size:14px}
.footer-title{color:#fff;font-size:16px;margin-bottom:18px}
.footer-link{display:block;color:#aab2cd;padding:5px 0;transition:color .2s}
.footer-link:hover{color:#fff}
.footer-info{color:#aab2cd;font-size:14px;line-height:2}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#8d95b3}
@media (max-width:1200px){
  .hero-title{font-size:40px}
  .footer-inner{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@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)}
  .section{padding:64px 0}
  .nav-list{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:768px){
  .hero{padding:120px 0 64px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero-title{font-size:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .section{padding:52px 0}
  .footer-inner{grid-template-columns:1fr}
  .flex-between{flex-direction:column;align-items:flex-start}
}