:root{
  --primary:#1a4f8c;
  --primary-dark:#123a68;
  --primary-light:#2f6db5;
  --accent:#f0a500;
  --text:#1f2933;
  --text-light:#5c6b7a;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --border:#e2e8f0;
  --shadow:0 4px 18px rgba(18,58,104,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
.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;font-weight:700;color:var(--primary-dark);letter-spacing:1px;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.flex{display:flex;gap:16px;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);transition:transform .3s, box-shadow .3s;border:1px solid var(--border);}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(18,58,104,.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:18px;font-weight:700;color:var(--primary-dark);margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}
.btn{display:inline-block;padding:13px 30px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;text-align:center;}
.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:#fff;border-color:rgba(255,255,255,.75);}
.btn-outline:hover{background:#fff;color:var(--primary-dark);}
.btn-sm{padding:8px 18px;font-size:14px;}
.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 2px 16px rgba(18,58,104,.12);border-bottom-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary-dark);letter-spacing:1px;display:flex;align-items:center;gap:8px;}
.nav-list{display:flex;gap:30px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:6px 0;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--primary-dark);cursor:pointer;}
.nav-cta{padding:9px 20px;background:var(--primary);color:#fff;border-radius:8px;font-size:14px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(140deg,var(--primary-dark) 0%,var(--primary) 55%,var(--primary-light) 100%);color:#fff;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(240,165,0,.28),transparent 68%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
.hero-title{font-size:44px;font-weight:800;line-height:1.3;letter-spacing:1px;max-width:820px;}
.hero-subtitle{margin-top:22px;font-size:18px;color:rgba(255,255,255,.88);max-width:700px;}
.hero-actions{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-stats{margin-top:64px;padding-top:36px;border-top:1px solid rgba(255,255,255,.22);display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hero-stat{text-align:left;}
.hero-stat-num{font-size:34px;font-weight:800;color:var(--accent);}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,.82);margin-top:6px;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-dot{position:absolute;left:-37px;top:6px;width:14px;height:14px;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:22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:1px;}
.timeline-title{font-size:17px;font-weight:700;color:var(--primary-dark);margin:8px 0;}
.timeline-text{font-size:15px;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;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:18px;font-weight:700;color:var(--primary-dark);}
.news-meta{display:flex;gap:12px;align-items:center;margin-top:8px;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{margin-top:12px;color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;color:var(--text);font-size:15px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{background:var(--bg-alt);color:var(--primary);padding:4px 12px;border-radius:20px;font-size:12px;border:1px solid var(--border);}
.faq-list{display:grid;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;color:var(--primary-dark);margin-bottom:10px;}
.faq-answer{color:var(--text-light);font-size:15px;}
.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;background:#fff;transition:border-color .2s;color:var(--text);}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-block;padding:14px 40px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:16px;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:12px;}
.stat-item{text-align:center;padding:26px 18px;background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:8px;}
.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:20px;height:220px;margin-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary-light),var(--primary));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;background:rgba(240,165,0,.14);color:#a86f00;font-size:12px;font-weight:600;padding:4px 12px;border-radius:20px;margin-bottom:14px;}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.support-card,.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s;}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,.benefit-card:hover,.support-card:hover,.region-card:hover{transform:translateY(-4px);}
.partner-logo{display:flex;align-items:center;justify-content:center;height:88px;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;background:#fff;}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.step-number{flex:0 0 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;}
.footer{background:#0e1f33;color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:32px;}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:rgba(255,255,255,.7);margin-bottom:8px;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;color:rgba(255,255,255,.72);line-height:2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.55);}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:36px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:26px;}
  .nav-list{gap:20px;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .nav-list{position:absolute;top:72px;left:0;width:100%;background:#fff;flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .35s;box-shadow:0 8px 18px rgba(18,58,104,.1);}
  .nav-list.open{max-height:340px;padding:12px 0;}
  .nav-link{display:block;padding:14px 24px;width:100%;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .bar-chart{height:180px;gap:12px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero-title{font-size:25px;}
  .hero-stat-num{font-size:26px;}
  .card{padding:22px;}
  .news-item{padding:20px;}
  .footer-inner{grid-template-columns:1fr;}
}