:root{
  --primary:#1f6feb;
  --primary-dark:#1657bd;
  --primary-light:#e8f0fe;
  --accent:#ff6a3d;
  --text:#1c2430;
  --text-light:#5b6878;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --border:#e3e8ef;
  --shadow:0 6px 20px rgba(23,43,77,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  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:1.3;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:780px;margin:0 auto 48px;}
.section-title{font-size:32px;letter-spacing:.5px;color:var(--text);margin-bottom:14px;}
.section-title::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--primary);margin:16px auto 0;
}
.section-subtitle{font-size:16px;color:var(--text-light);}

.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:12px;flex-wrap:wrap;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}

.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 14px 32px rgba(23,43,77,.13);}
.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:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{font-size:15px;color:var(--text-light);}

.btn{
  display:inline-block;padding:13px 30px;border-radius:999px;font-size:15px;
  font-weight:600;cursor:pointer;border:2px solid transparent;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
  text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-outline:hover{background:#fff;color:var(--primary);}
.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,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(23,43,77,.1);border-bottom-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:68px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:40px;height:40px;padding:6px;flex-direction:column;justify-content:space-around;
}
.nav-toggle span{display:block;height:2.5px;background:var(--text);border-radius:2px;width:24px;}
.nav-cta{display:flex;align-items:center;gap:12px;}

.hero{
  padding:150px 0 90px;
  background:linear-gradient(135deg,#1f6feb 0%,#1657bd 55%,#0f3f8f 100%);
  color:#fff;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border-radius:50%;background:rgba(255,255,255,.07);
}
.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:20px;}
.hero-title em{font-style:normal;color:#ffd166;}
.hero-subtitle{font-size:18px;max-width:720px;color:rgba(255,255,255,.9);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:18px;max-width:840px;}
.hero-stat{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:18px 16px;text-align:center;
}
.hero-stat-num{font-size:26px;font-weight:800;display:block;}
.hero-stat-label{font-size:13px;color:rgba(255,255,255,.85);}

.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-dot{
  position:absolute;left:-27px;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-content{background:#fff;border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;display:block;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:22px;}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);transition:transform .3s;
}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;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);border-radius:999px;
  padding:2px 12px;font-size:12px;font-weight:600;
}
.news-summary{font-size:14.5px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{
  font-size:12px;padding:3px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);
}

.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:16.5px;font-weight:700;margin-bottom:8px;color:var(--text);}
.faq-answer{font-size:14.5px;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;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s;
}
.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{
  display:inline-block;background:var(--primary);color:#fff;border:none;
  padding:13px 34px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .25s,transform .25s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}

.stat-item{text-align:center;padding:22px 12px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);display:block;}
.stat-label{font-size:14px;color:var(--text-light);}
.progress{height:8px;border-radius:999px;background:var(--bg-alt);overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:12px 6px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}

.badge{
  display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;
  background:var(--accent);color:#fff;font-weight:600;
}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-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,.region-card:hover,.support-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:18px;align-items:flex-start;}
.step-number{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
}

.footer{background:#111c2e;color:#c3ccda;padding:64px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px 44px;
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px;
}
.footer-col{font-size:14px;}
.footer-title{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-link{display:block;color:#9fabbd;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px;
  text-align:center;font-size:13px;color:#8b98ab;
}
.footer-info{font-size:14px;color:#9fabbd;line-height:2;}
.footer-info a{color:#9fabbd;}
.footer-info a:hover{color:#fff;}

@media (max-width:1199px){
  .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);}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .section-title{font-size:26px;}
  .nav-cta .btn{display:none;}
  .footer-inner{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .btn{padding:11px 22px;font-size:14px;}
  .card{padding:22px;}
}