:root{
  --primary:#1f3b73;
  --primary-dark:#132748;
  --primary-light:#3a5c9e;
  --accent:#c9a227;
  --text:#1c2431;
  --text-light:#5c6a7e;
  --bg:#ffffff;
  --bg-alt:#f4f6fa;
  --border:#e1e6ef;
  --shadow:0 4px 18px rgba(19,39,72,.08);
  --radius:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img,svg{max-width:100%;display:block;}
button{font:inherit;cursor:pointer;border:none;background:none;}
.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;line-height:1.35;font-weight:700;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:24px;}
.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;align-items:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.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(19,39,72,.14);}
.card-icon{width:48px;height:48px;border-radius:10px;background:var(--bg-alt);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:16px;}
.card-title{font-size:19px;font-weight:700;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 30px;border-radius:var(--radius);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .25s,color .25s,border-color .25s,transform .25s;}
.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;transform:translateY(-2px);}
.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,.96);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 6px 20px rgba(19,39,72,.10);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:20px;font-weight:800;letter-spacing:1px;color:var(--primary);}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .3s;}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;border:1px solid var(--border);color:var(--primary);font-size:20px;line-height:1;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#132748 0%,#1f3b73 55%,#3a5c9e 100%);color:#fff;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(201,162,39,.14);}
.hero-inner{position:relative;z-index:2;max-width:900px;}
.hero-title{font-size:44px;line-height:1.3;font-weight:800;letter-spacing:1px;}
.hero-title span{color:var(--accent);}
.hero-subtitle{margin-top:22px;font-size:17px;color:rgba(255,255,255,.82);max-width:680px;}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;}
.hero-actions .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.hero-actions .btn-outline:hover{background:#fff;color:var(--primary);}
.hero-stats{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid rgba(255,255,255,.18);padding-top:34px;}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--accent);}
.hero-stat-label{margin-top:6px;font-size:14px;color:rgba(255,255,255,.78);}
.timeline{position:relative;margin-top:12px;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 1px var(--border);}
.timeline-date{font-size:13px;color:var(--text-light);letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0 8px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{padding:24px 26px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;transition:box-shadow .3s,transform .3s;}
.news-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.news-title{font-size:19px;font-weight:700;}
.news-meta{display:flex;align-items:center;gap:14px;margin:10px 0;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{background:var(--bg-alt);color:var(--primary);padding:2px 10px;border-radius:20px;font-size:12px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:14px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;padding:3px 12px;border-radius:20px;border:1px solid var(--border);font-size:12px;color:var(--text-light);background:var(--bg-alt);}
.faq-list{display:flex;flex-direction:column;gap:16px;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;}
.faq-answer{margin-top:12px;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;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;font:inherit;font-size:15px;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:10px;transition:border-color .25s,box-shadow .25s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(58,92,158,.12);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border-radius:var(--radius);background:var(--primary);color:#fff;font-size:15px;font-weight:600;transition:background .25s,transform .25s;}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{margin-top:12px;font-size:13px;color:var(--text-light);}
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-light);}
.progress{height:8px;border-radius:4px;background:var(--border);overflow:hidden;}
.progress-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:12px;}
.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{margin-top:10px;font-size:13px;color:var(--text-light);text-align:center;}
.badge{display:inline-block;padding:4px 12px;border-radius:20px;background:rgba(201,162,39,.14);color:#8a6f14;font-size:12px;font-weight:600;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.customer-card:hover{transform:translateY(-4px);}
.case-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s;}
.case-card:hover{transform:translateY(-4px);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{height:70px;border:1px dashed var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:14px;background:#fff;}
.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);transition:transform .3s;}
.benefit-card:hover{transform:translateY(-4px);}
.step-list{display:flex;flex-direction:column;gap:20px;counter-reset:step;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;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;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;}
.footer-col{font-size:14px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;margin-bottom:10px;color:rgba(255,255,255,.72);transition:color .25s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;line-height:2;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;font-size:13px;color:rgba(255,255,255,.6);}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:34px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
  .nav-list.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:10px 20px 18px;}
  .nav-list.open .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border);}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .section-title{font-size:25px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:15px;}
  .bar-chart{height:180px;gap:10px;}
}
@media (max-width:480px){
  .nav-cta .btn{display:none;}
  .hero{padding:112px 0 56px;}
  .hero-title{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;gap:18px;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
}