:root{
  --primary:#1d3f72;
  --primary-dark:#132c53;
  --primary-light:#e8eef7;
  --accent:#c8a24a;
  --text:#23272e;
  --text-light:#5b6472;
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --border:#e2e7ee;
  --shadow:0 4px 18px rgba(19,44,83,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,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;transition:color .25s}
a:hover{color:var(--primary)}
ul,ol{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;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 48px}
.section-title{font-size:32px;color:var(--primary-dark);letter-spacing:.5px}
.section-title::after{content:"";display:block;width:56px;height:3px;background:var(--accent);margin:16px auto 0;border-radius:2px}
.section-subtitle{margin-top:16px;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;gap:12px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(19,44,83,.14)}
.card-icon{width:48px;height:48px;border-radius:10px;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:19px;color:var(--primary-dark);margin-bottom:10px}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:14px}
.btn{display:inline-block;padding:12px 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(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 20px;font-size:13px}
.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 20px rgba(19,44,83,.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{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary-dark);letter-spacing:1px}
.nav-logo span{color:var(--accent)}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:6px 0}
.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;background:none;border:none;font-size:24px;color:var(--primary-dark);cursor:pointer;padding:6px 10px}
.nav-cta{font-size:14px;padding:9px 22px;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;white-space:nowrap}
.nav-cta:hover{background:var(--primary-dark);color:#fff}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#132c53 0%,#1d3f72 55%,#2b5386 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(200,162,74,.14)}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;max-width:820px}
.hero-title em{font-style:normal;color:var(--accent)}
.hero-subtitle{margin-top:22px;max-width:720px;font-size:17px;color:rgba(255,255,255,.85)}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px}
.hero-actions .btn-primary{background:var(--accent);border-color:var(--accent);color:#1a1a1a}
.hero-actions .btn-primary:hover{background:#d8b45e;border-color:#d8b45e;color:#1a1a1a}
.hero-actions .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.hero-actions .btn-outline:hover{background:#fff;color:var(--primary-dark);border-color:#fff}
.hero-stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid rgba(255,255,255,.18);padding-top:32px}
.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;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:32px}
.timeline-dot{position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--accent)}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.timeline-date{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.5px}
.timeline-title{font-size:17px;margin-top:6px;color:var(--primary-dark)}
.timeline-text{margin-top:8px;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 28px;box-shadow:var(--shadow);transition:transform .3s}
.news-item:hover{transform:translateY(-3px)}
.news-title{font-size:19px;color:var(--primary-dark)}
.news-meta{margin:10px 0;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light)}
.news-date{color:var(--text-light)}
.news-category{background:var(--primary-light);color:var(--primary);padding:2px 12px;border-radius:999px;font-size:12px;font-weight:600}
.news-summary{font-size:15px;color:var(--text-light)}
.news-body{margin-top:14px;font-size:15px;color:var(--text-light)}
.news-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12px;padding:3px 12px;border:1px solid var(--border);border-radius:999px;color:var(--text-light);background:var(--bg-alt)}
.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;font-weight:700;color:var(--primary-dark)}
.faq-answer{margin-top:10px;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(--primary-dark)}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .25s,box-shadow .25s}
.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:130px;resize:vertical}
.form-submit{margin-top:8px;padding:13px 40px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .3s}
.form-submit:hover{background:var(--primary-dark)}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px}
.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:10px;background:var(--primary-light);border-radius:999px;overflow:hidden;margin-top:10px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px}
.bar-chart{display:flex;align-items:flex-end;gap:22px;height:220px;padding:20px 0}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bar-fill{width:100%;max-width:56px;background:linear-gradient(180deg,var(--primary),#3f6ba5);border-radius:8px 8px 0 0}
.bar-label{margin-top:12px;font-size:13px;color:var(--text-light)}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;background:var(--accent);color:#fff}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center}
.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:24px;box-shadow:var(--shadow);text-align:center}
.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:13px;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)}
.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:24px;box-shadow:var(--shadow)}
.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:800;font-size:16px}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);text-align:center;font-size:14px;color:var(--text-light)}
.support-card{background:var(--primary-light);border-radius:var(--radius);padding:24px}
.footer{background:#132c53;color:rgba(255,255,255,.78);padding:64px 0 0}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-col{font-size:14px}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-link{display:block;margin-bottom:10px;color:rgba(255,255,255,.72);font-size:14px}
.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:24px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:38px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-inner{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .nav-list{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:12px 24px 20px;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(19,44,83,.1);display:none}
  .nav-list.active{display:flex}
  .nav-list li{width:100%;padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-list li:last-child{border-bottom:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .hero{padding:120px 0 70px}
  .hero-title{font-size:30px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .section-title{font-size:26px}
  .bar-chart{height:180px;gap:12px}
}
@media (max-width:480px){
  .grid-4{grid-template-columns:1fr}
  .hero-title{font-size:25px}
  .hero-subtitle{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .footer-inner{grid-template-columns:1fr}
  .card{padding:22px}
}
@media (min-width:1200px){
  .container{max-width:1200px}
  .hero-title{font-size:48px}
}