:root{
  --primary:#1a6dff;
  --primary-dark:#0d4fc4;
  --primary-light:#e8f0ff;
  --accent:#ff5b3a;
  --text:#1c2330;
  --text-light:#5f6b7d;
  --bg:#ffffff;
  --bg-alt:#f5f7fb;
  --border:#e3e8f0;
  --shadow:0 4px 18px rgba(26,109,255,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"PingFang SC","Microsoft YaHei","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:760px;margin:0 auto 52px;}
.section-title{font-size:34px;color:var(--text);margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:26px;}
.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);transition:transform .3s,box-shadow .3s;border:1px solid var(--border);}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(26,109,255,.14);}
.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{padding:4px 0;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:var(--radius);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .25s;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav{position:fixed;top:0;left:0;width:100%;background:rgba(255,255,255,.96);z-index:1000;transition:box-shadow .3s;border-bottom:1px solid var(--border);}
.nav.scrolled{box-shadow:0 4px 16px rgba(28,35,48,.08);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:70px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:1px;display:flex;align-items:center;gap:8px;}
.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;transition:color .2s;padding:6px 0;border-bottom:2px solid transparent;}
.nav-link:hover{color:var(--primary);border-bottom-color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--text);cursor:pointer;line-height:1;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f0f6ff 0%,#ffffff 60%,#fff6f2 100%);position:relative;overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:48px;letter-spacing:1px;margin-bottom:22px;color:var(--text);}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:760px;margin:0 auto 34px;}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:58px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:920px;margin:0 auto;}
.hero-stat{background:#fff;border-radius:var(--radius);padding:26px 14px;box-shadow:var(--shadow);border:1px solid var(--border);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:840px;margin:0 auto;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding:0 0 32px 22px;}
.timeline-dot{position:absolute;left:-31px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid var(--primary-light);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;margin-bottom:4px;}
.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;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-4px);}
.news-title{font-size:19px;margin-bottom:10px;color:var(--text);}
.news-meta{display:flex;align-items:center;gap:14px;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);padding:3px 10px;border-radius:20px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{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:13px;color:var(--text-light);background:var(--bg-alt);border:1px solid var(--border);border-radius:20px;padding:3px 12px;}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:18px;}
.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(--text);margin-bottom:10px;}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;font-size:15px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);font-family:inherit;transition:border-color .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow);}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{width:100%;height:10px;background:var(--primary-light);border-radius:20px;overflow:hidden;margin:12px 0;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:20px;}
.bar-chart{display:flex;align-items:flex-end;gap:22px;height:220px;padding:0 10px;}
.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),var(--primary-dark));border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:12px;font-weight:700;color:var(--accent);background:#fff0ec;border-radius:20px;padding:4px 12px;}
.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:26px;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;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;letter-spacing:1px;}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:18px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;}
.footer{background:#101826;color:#c6cfdd;padding:60px 0 24px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 20px;}
.footer-col{font-size:14px;}
.footer-title{font-size:16px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#c6cfdd;margin-bottom:10px;font-size:14px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#c6cfdd;line-height:2;}
.footer-info strong{color:#fff;font-weight:600;}
.footer-bottom{max-width:1200px;margin:36px auto 0;padding:20px 20px 0;border-top:1px solid #2a3448;text-align:center;font-size:13px;color:#8b98ad;}
@media (max-width:1199px){
  .hero-title{font-size:42px;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .section-title{font-size:29px;}
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:36px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-list{position:absolute;top:70px;left:0;width:100%;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .3s;}
  .nav-list.open{max-height:420px;}
  .nav-list li{width:100%;text-align:center;}
  .nav-link{display:block;padding:14px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .nav-cta .btn:first-child{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-actions{flex-direction:column;align-items:center;}
  .hero-actions .btn{width:100%;max-width:320px;}
  .timeline{padding-left:24px;}
  .bar-chart{gap:12px;}
}
@media (max-width:480px){
  .section{padding:52px 0;}
  .section-title{font-size:25px;}
  .hero{padding:120px 0 56px;}
  .hero-title{font-size:29px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:1fr;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
}