:root{
  --primary:#1f6feb;
  --primary-dark:#1549a8;
  --primary-light:#e8f0fe;
  --accent:#ff7a45;
  --text:#1a2233;
  --text-light:#5b6472;
  --bg:#ffffff;
  --bg-alt:#f5f7fb;
  --border:#e3e8f0;
  --shadow:0 6px 24px rgba(24,42,80,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
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 48px;}
.section-title{font-size:32px;letter-spacing:.5px;}
.section-title::after{content:"";display:block;width:56px;height:4px;background:var(--primary);border-radius:2px;margin:16px auto 0;}
.section-subtitle{color:var(--text-light);margin-top:16px;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;}
.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 14px 34px rgba(24,42,80,.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:24px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(24,42,80,.1);border-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{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);}
.nav-logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:9px;border:1px solid var(--border);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#eef4ff 0%,#ffffff 55%,#fff4ec 100%);overflow:hidden;}
.hero::before{content:"";position:absolute;top:-180px;right:-140px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(31,111,235,.18),transparent 70%);}
.hero::after{content:"";position:absolute;bottom:-160px;left:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,69,.16),transparent 70%);}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--primary);font-size:14px;font-weight:600;box-shadow:var(--shadow);margin-bottom:24px;}
.hero-title{font-size:46px;letter-spacing:1px;max-width:900px;margin:0 auto;}
.hero-title span{color:var(--primary);}
.hero-subtitle{max-width:720px;margin:22px auto 0;color:var(--text-light);font-size:18px;}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:36px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 16px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);}
.hero-stat-label{color:var(--text-light);font-size:14px;margin-top:6px;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{position:absolute;left:-34px;top:4px;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--primary);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{color:var(--primary);font-weight:700;font-size:14px;}
.timeline-title{font-size:18px;margin:6px 0 8px;}
.timeline-text{color:var(--text-light);font-size:15px;}
.news-list{display:grid;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(24,42,80,.13);}
.news-title{font-size:19px;margin-bottom:10px;}
.news-title a:hover{color:var(--primary);}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{font-variant-numeric:tabular-nums;}
.news-category{background:var(--primary-light);color:var(--primary);padding:3px 12px;border-radius:999px;font-weight:600;}
.news-summary,.news-body{color:var(--text-light);font-size:15px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);padding:3px 12px;border-radius:999px;font-size:13px;}
.faq-list{display:grid;gap:16px;max-width:880px;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(--text);}
.faq-answer{color:var(--text-light);font-size:15px;margin-top:10px;}
.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 15px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;transition:border-color .2s,box-shadow .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,111,235,.14);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;}
.form-tip{color:var(--text-light);font-size:13px;margin-top:10px;}
.stat-item{text-align:center;padding:22px 12px;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);}
.stat-label{color:var(--text-light);font-size:14px;margin-top:8px;}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));}
.bar-label{margin-top:10px;font-size:13px;color:var(--text-light);text-align:center;}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--accent);color:#fff;}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card,.partner-logo{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;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,.region-card:hover,.support-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(24,42,80,.13);}
.partner-logo{display:flex;align-items:center;justify-content:center;color:var(--text-light);font-weight:700;min-height:92px;background:var(--bg-alt);box-shadow:none;}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-number{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;}
.footer{background:#101828;color:#aab4c4;padding:66px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;color:#aab4c4;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;}
.footer-info strong{color:#fff;font-weight:600;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13px;color:#7c8798;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .container,.nav-inner,.hero-inner{padding:0 24px;}
}
@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);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:36px;}
}
@media (max-width:768px){
  .nav-toggle{display:flex;}
  .nav-list{position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#fff;padding:20px;gap:6px;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(24,42,80,.1);display:none;}
  .nav-list.open{display:flex;}
  .nav-link{display:block;width:100%;padding:12px 6px;}
  .nav-cta .btn{display:none;}
  .section{padding:60px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .section-title{font-size:26px;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .hero-stat-num{font-size:24px;}
  .hero-title{font-size:25px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .footer-inner{grid-template-columns:1fr;}
  .bar-chart{gap:12px;height:180px;}
}