:root{
  --primary:#e8543f;
  --primary-dark:#c33c29;
  --primary-light:#ff8a72;
  --accent:#2b3a55;
  --text:#22252b;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --border:#e6e8ec;
  --shadow:0 6px 20px rgba(34,37,43,.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:1.35;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:30px;color:var(--accent);letter-spacing:.5px;}
.section-subtitle{margin-top:14px;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: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);transition:transform .3s,box-shadow .3s;border:1px solid var(--border);}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(34,37,43,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;margin-bottom:12px;color:var(--accent);}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:16px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .25s;}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 4px 16px rgba(34,37,43,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{font-size:21px;font-weight:800;color:var(--accent);letter-spacing:.5px;display:flex;align-items:center;gap:10px;}
.nav-logo::before{content:"";width:12px;height:26px;border-radius:4px;background:linear-gradient(180deg,var(--primary),var(--primary-light));}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s;}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:42px;height:38px;cursor:pointer;color:var(--accent);font-size:18px;}
.nav-cta{display:inline-flex;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#fff 0%,#fff5f2 55%,#f6f7f9 100%);position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-160px;top:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,var(--primary-light),transparent 70%);opacity:.35;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.hero-title{font-size:46px;color:var(--accent);max-width:820px;letter-spacing:1px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{margin-top:22px;font-size:18px;color:var(--text-light);max-width:680px;}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;}
.hero-stats{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.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:34px;}
.timeline-dot{position:absolute;left:-33px;top:6px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--primary);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:18px;margin:8px 0 8px;color:var(--accent);}
.timeline-text{font-size:15px;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,box-shadow .3s;}
.news-item:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(34,37,43,.12);}
.news-title{font-size:19px;color:var(--accent);margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{background:#fff0ec;color:var(--primary-dark);padding:3px 10px;border-radius:999px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:14px;font-size:15px;color:var(--text);}
.news-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-block;padding:4px 12px;border:1px solid var(--border);border-radius:999px;font-size:13px;color:var(--text-light);background:#fafbfc;}
.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:24px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;color:var(--accent);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;margin-bottom:8px;color:var(--accent);}
.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 .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 rgba(232,84,63,.14);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:24px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-light);}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-light));}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding:20px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:10px;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:13px;color:var(--text-light);}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;background:#fff0ec;color:var(--primary-dark);}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.customer-card:hover{transform:translateY(-4px);}
.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;text-align:center;box-shadow:var(--shadow);}
.partner-logo{height:72px;border:1px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:14px;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:26px;box-shadow:var(--shadow);}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);}
.step-number{flex:none;width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.footer{background:var(--accent);color:#c9cfdb;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h4,.footer-title{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-link{display:block;color:#c9cfdb;font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#c9cfdb;line-height:1.9;}
.footer-info span{color:#fff;font-weight:600;}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#a8b0c0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .hero-stats{grid-template-columns:repeat(4,1fr);}
  .footer-inner{grid-template-columns:1.2fr 1fr 1fr;}
}
@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);}
  .hero-title{font-size:34px;}
  .section{padding:64px 0;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .nav-list{display:none;}
  .nav-list.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;padding:20px;gap:6px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);}
  .nav-toggle{display:block;}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .section-title{font-size:24px;}
  .bar-chart{height:170px;gap:12px;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;}
  .card{padding:22px;}
  .news-item{padding:20px;}
}