:root{
  --primary:#1f6feb;
  --primary-dark:#1548a3;
  --primary-light:#e6f0ff;
  --accent:#ff7a45;
  --text:#1c2330;
  --text-light:#66707f;
  --bg:#ffffff;
  --bg-alt:#f5f8fc;
  --border:#e2e8f0;
  --shadow:0 6px 24px rgba(20,40,80,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .25s;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
button{font-family: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:30px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.5px;
  margin-bottom:14px;
}
.section-title::after{
  content:"";
  display:block;
  width:56px;
  height:4px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  margin:14px auto 0;
}
.section-subtitle{font-size:16px;color:var(--text-light);}

.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:16px;}
.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);
  border:1px solid var(--border);
  transition:transform .3s, box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,40,80,.14);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  font-size:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:8px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:all .25s;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,235,.28);}
.btn-primary:hover{background: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-light);color:var(--primary-dark);}
.btn-sm{padding:9px 18px;font-size:13px;border-radius:999px;}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  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(20,40,80,.10);border-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;gap:20px;
}
.nav-logo{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--text);}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  border-radius:2px;background:var(--primary);transition:width .25s;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--bg-alt);color:var(--text);font-size:20px;line-height:1;
  align-items:center;justify-content:center;
}
.nav-cta{display:flex;align-items:center;gap:12px;}

.hero{
  position:relative;padding:150px 0 90px;
  background:linear-gradient(160deg,#eef4ff 0%,#f7faff 45%,#ffffff 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(31,111,235,.18),transparent 68%);
}
.hero::after{
  content:"";position:absolute;bottom:-180px;left:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,122,69,.16),transparent 68%);
}
.hero-inner{position:relative;z-index:2;max-width:900px;}
.hero-title{
  font-size:46px;line-height:1.25;font-weight:800;letter-spacing:1px;margin-bottom:20px;
}
.hero-title span{color:var(--primary);}
.hero-subtitle{
  font-size:18px;color:var(--text-light);max-width:680px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:52px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  border-top:1px solid var(--border);padding-top:32px;
}
.hero-stat{border-left:3px solid var(--primary-light);padding-left:16px;}
.hero-stat-num{font-size:26px;font-weight:800;color:var(--primary);line-height:1.3;}
.hero-stat-label{font-size:14px;color:var(--text-light);}

.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding:0 0 30px 22px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline-content{background:transparent;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;font-weight:700;margin:4px 0 6px;}
.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,box-shadow .3s;
}
.news-item:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(20,40,80,.13);}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:13px;}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--primary-light);color:var(--primary-dark);
  border-radius:999px;padding:3px 12px;font-weight:600;
}
.news-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text-light);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-block;font-size:12px;color:var(--text-light);
  background:var(--bg-alt);border:1px solid var(--border);
  border-radius:999px;padding:3px 10px;
}

.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:16px;font-weight:700;margin-bottom:8px;color:var(--text);}
.faq-answer{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-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--border);border-radius:10px;
  outline:none;transition:border-color .25s,box-shadow .25s;font-family:inherit;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,111,235,.14);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;
  background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,111,235,.28);
  transition:all .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:10px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{
  width:100%;height:10px;border-radius:999px;background:var(--bg-alt);
  border:1px solid var(--border);overflow:hidden;margin:8px 0 18px;
}
.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:20px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
.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-light));
}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}

.badge{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--primary-dark);background:var(--primary-light);
  border-radius:999px;padding:4px 12px;
}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.support-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,
.benefit-card:hover,.support-card:hover{
  transform:translateY(-4px);box-shadow:0 14px 32px rgba(20,40,80,.13);
}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:78px;border-radius:12px;border:1px dashed var(--border);
  background:var(--bg-alt);color:var(--text-light);font-size:14px;font-weight:600;
}
.step-list{display:grid;gap:22px;}
.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;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-size:18px;font-weight:800;
}
.region-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);text-align:center;
}

.footer{background:#101a2b;color:#c7d2e2;padding:64px 0 26px;}
.footer-inner{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-link{display:block;color:#c7d2e2;font-size:14px;margin-bottom:8px;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#c7d2e2;line-height:2;}
.footer-bottom{
  padding-top:22px;text-align:center;font-size:13px;color:#8e9cb3;line-height:2;
}

@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:36px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section-title{font-size:24px;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .bar-chart{height:180px;gap:10px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero{padding:106px 0 52px;}
  .hero-title{font-size:26px;letter-spacing:0;}
  .hero-stats{grid-template-columns:1fr;gap:14px;}
  .card{padding:22px;}
  .btn{padding:12px 20px;font-size:14px;}
}