:root{
  --primary:#2f5bea;
  --primary-dark:#1e3fae;
  --primary-light:#e8eefe;
  --accent:#ff6b3d;
  --text:#1c2333;
  --text-light:#5c667a;
  --bg:#ffffff;
  --bg-alt:#f5f7fc;
  --border:#e3e8f2;
  --shadow:0 4px 18px rgba(28,35,51,.08);
  --radius:12px;
}
*{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;font-size:16px;
  -webkit-font-smoothing:antialiased;padding-top:72px;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{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:780px;margin:0 auto 52px;}
.section-title{font-size:32px;color:var(--text);margin-bottom:14px;letter-spacing:.5px;}
.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-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.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 12px 28px rgba(28,35,51,.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:24px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;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 30px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;font-family:inherit;}
.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:8px 18px;font-size:14px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:box-shadow .3s,background .3s;backdrop-filter:blur(8px);}
.nav.scrolled{box-shadow:0 4px 16px rgba(28,35,51,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;white-space:nowrap;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{padding:8px 14px;font-size:15px;color:var(--text);border-radius:8px;transition:color .2s,background .2s;white-space:nowrap;}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-cta{display:inline-flex;}
.nav-toggle{display:none;width:44px;height:40px;border:1px solid var(--border);background:#fff;border-radius:8px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .25s;}
.hero{position:relative;padding:90px 0 70px;background:linear-gradient(160deg,#eef3ff 0%,#ffffff 60%);overflow:hidden;}
.hero::after{content:"";position:absolute;top:-120px;right:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(47,91,234,.12),transparent 70%);}
.hero-inner{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;margin-bottom:20px;color:var(--text);}
.hero-title strong{color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:760px;margin-bottom:34px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:4px;}
.hero-stat-label{font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:12px;}
.timeline-item{position:relative;padding-left:34px;padding-bottom:30px;}
.timeline-dot{position:absolute;left:0;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 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--accent);font-weight:700;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:6px;}
.timeline-text{font-size:14px;color:var(--text-light);}
.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);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:10px;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{color:var(--text-light);font-size:15px;margin-top:10px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;padding:3px 12px;background:var(--bg-alt);border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--text-light);}
.faq-list{display:grid;gap:14px;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;color:var(--text);margin-bottom:10px;display:flex;gap:10px;}
.faq-question::before{content:"?";color:var(--primary);}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;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 rgba(47,91,234,.12);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:background .25s;font-family:inherit;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.progress{height:10px;background:var(--bg-alt);border-radius:20px;overflow:hidden;margin-top:10px;}
.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-top:20px;}
.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;transition:height .4s;}
.bar-label{font-size:13px;color:var(--text-light);}
.badge{display:inline-block;padding:4px 12px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;border-radius:20px;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);text-align:center;}
.partner-logo{display:flex;align-items:center;justify-content:center;height:84px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.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;font-size:16px;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.footer{background:#131a2b;color:#c3cad9;padding:64px 0 26px;font-size:15px;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 20px 40px;}
.footer-col{min-width:0;}
.footer-title{font-size:16px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#a9b3c6;padding:5px 0;font-size:14px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#a9b3c6;line-height:2;}
.footer-bottom{max-width:1200px;margin:0 auto;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8a93a6;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
}
@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);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:34px;}
}
@media (max-width:768px){
  body{padding-top:64px;}
  .nav-inner{height:64px;}
  .nav-toggle{display:flex;}
  .nav-list{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--border);padding:12px 20px 18px;display:none;box-shadow:var(--shadow);}
  .nav-list.open{display:flex;}
  .nav-link{padding:11px 12px;}
  .nav-cta{display:none;}
  .section{padding:56px 0;}
  .section-title{font-size:25px;}
  .hero{padding:64px 0 48px;}
  .hero-title{font-size:29px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat-num{font-size:24px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
  .hero-title{font-size:25px;}
  .card{padding:22px;}
  .bar-chart{gap:10px;height:180px;}
}