:root{
  --primary:#1a3a6b;
  --primary-dark:#12294c;
  --primary-light:#2f5fa8;
  --accent:#e8a33d;
  --text:#1f2430;
  --text-light:#5d6673;
  --bg:#ffffff;
  --bg-alt:#f4f6fa;
  --border:#e2e7f0;
  --shadow:0 4px 18px rgba(26,58,107,.08);
  --radius:12px;
}
*{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);
  line-height:1.75;
  font-size:16px;
  -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 52px;}
.section-title{font-size:32px;color:var(--primary);letter-spacing:.5px;}
.section-title::after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--accent);margin:16px auto 0;}
.section-subtitle{margin-top:18px;color:var(--text-light);font-size:16px;}
.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;gap:16px;align-items:center;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}
.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 30px rgba(26,58,107,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;color:var(--primary);margin-bottom:12px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .3s;text-align:center;}
.btn-primary{background:var(--accent);color:var(--primary-dark);}
.btn-primary:hover{background:#f0b355;transform:translateY(-2px);box-shadow:0 8px 20px rgba(232,163,61,.35);}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn-sm{padding:8px 18px;font-size:13px;}
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);transition:box-shadow .3s;border-bottom:1px solid transparent;}
.nav.scrolled{box-shadow:0 4px 20px rgba(26,58,107,.12);border-bottom-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary);letter-spacing:1px;display:flex;align-items:center;gap:10px;}
.nav-logo::before{content:"";width:12px;height:22px;border-radius:3px;background:linear-gradient(180deg,var(--accent),var(--primary-light));display:inline-block;}
.nav-list{display:flex;gap:30px;align-items:center;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:4px 0;transition:color .3s;}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width .3s;}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--primary);cursor:pointer;line-height:1;}
.nav-cta{display:inline-block;padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .3s;}
.nav-cta:hover{background:var(--primary-light);}
.hero{position:relative;padding:180px 0 100px;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 55%,var(--primary-light) 100%);color:#fff;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(232,163,61,.28),transparent 70%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:22px;max-width:820px;}
.hero-subtitle{font-size:18px;color:rgba(255,255,255,.85);max-width:680px;margin-bottom:36px;}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid rgba(255,255,255,.22);padding-top:36px;}
.hero-stat{text-align:left;}
.hero-stat-num{font-size:32px;font-weight:800;color:var(--accent);}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,.78);margin-top:6px;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{position:absolute;left:-28px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--accent);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;}
.timeline-title{font-size:17px;color:var(--primary);margin:6px 0 8px;}
.timeline-text{font-size:14px;color:var(--text-light);}
.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 12px 30px rgba(26,58,107,.14);}
.news-title{font-size:19px;color:var(--primary);margin-bottom:10px;}
.news-meta{display:flex;gap:14px;align-items:center;margin-bottom:12px;font-size:13px;}
.news-date{color:var(--text-light);}
.news-category{background:rgba(47,95,168,.1);color:var(--primary-light);padding:3px 12px;border-radius:999px;font-size:12px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text);}
.news-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);font-size:12px;border:1px solid var(--border);}
.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:17px;color:var(--primary);font-weight:700;margin-bottom:10px;display:flex;gap:10px;}
.faq-question::before{content:"Q";color:var(--accent);font-weight:800;}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--primary);margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .3s,box-shadow .3s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(47,95,168,.14);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;padding:14px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:background .3s;}
.form-submit:hover{background:var(--primary-light);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;}
.stat-item{text-align:center;padding:24px 16px;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:8px;}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden;margin:10px 0 20px;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary-light),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:12px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(232,163,61,.16);color:#a5700f;font-size:12px;font-weight:600;margin-bottom:14px;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.case-card .card-body{padding:22px;}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow);}
.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;}
.review-card{background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius);padding:24px;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;box-shadow:var(--shadow);}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;}
.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:var(--primary-dark);color:rgba(255,255,255,.78);padding:64px 0 0;font-size:14px;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{color:#fff;font-size:16px;margin-bottom:6px;font-weight:700;}
.footer-link{color:rgba(255,255,255,.75);font-size:14px;transition:color .3s;}
.footer-link:hover{color:var(--accent);}
.footer-info{color:rgba(255,255,255,.75);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,.16);text-align:center;font-size:13px;color:rgba(255,255,255,.6);}
@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);}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .hero{padding:140px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .nav-list{position:absolute;top:100%;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 .35s;box-shadow:0 12px 24px rgba(26,58,107,.12);}
  .nav-list.open{max-height:420px;padding:12px 0;}
  .nav-list .nav-link{padding:12px 24px;width:100%;}
}
@media (max-width:480px){
  .hero-title{font-size:25px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
}