:root{
  --primary:#ff7a45;
  --primary-dark:#e05a26;
  --primary-light:#ffe7dc;
  --accent:#2f6bff;
  --text:#22272e;
  --text-light:#67707a;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e6e9ee;
  --shadow:0 4px 18px rgba(30,40,60,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Helvetica,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,ol{list-style:none;}
img,svg{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:34px;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;gap:16px;flex-wrap:wrap;}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.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 12px 30px rgba(30,40,60,.12);}
.card-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);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;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;line-height:1.2;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary-dark);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:13px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 2px 16px rgba(30,40,60,.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;gap:20px;}
.nav-logo{font-size:22px;font-weight:800;letter-spacing:1px;color:var(--primary-dark);display:flex;align-items:center;gap:8px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .2s;}
.nav-link:hover{color:var(--primary-dark);}
.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;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:20px;cursor:pointer;color:var(--text);}
.nav-cta{padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;white-space:nowrap;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff6f0 0%,#f7f9ff 60%,#ffffff 100%);overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:48px;letter-spacing:1px;max-width:880px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{margin-top:22px;font-size:18px;color:var(--text-light);max-width:720px;}
.hero-actions{margin-top:36px;display:flex;gap:16px;flex-wrap:wrap;}
.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 18px;text-align:center;box-shadow:var(--shadow);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{position:absolute;left:-36px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.timeline-text{font-size:14px;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 12px 30px rgba(30,40,60,.12);}
.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-dark);padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;font-size:15px;color:var(--text);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--border);font-size:12px;color:var(--text-light);}
.faq-list{max-width:840px;margin:0 auto;display:grid;gap:16px;}
.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{margin-top:10px;color:var(--text-light);font-size:15px;}
.form-group{margin-bottom:18px;}
.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,box-shadow .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-flex;align-items:center;justify-content:center;padding:13px 32px;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:background .25s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:24px 16px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary-dark);}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:10px;}
.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);}
.badge{display:inline-block;padding:3px 10px;border-radius:6px;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;}
.customer-card,.case-card,.honor-card,.partner-logo,.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,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 12px 30px rgba(30,40,60,.12);}
.partner-logo{display:flex;align-items:center;justify-content:center;min-height:96px;font-size:14px;color:var(--text-light);font-weight:600;letter-spacing:1px;}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.step-number{flex:0 0 42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;}
.footer{background:#1d2129;color:#c9d0da;padding:64px 0 28px;margin-top:0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;}
.footer-col{min-width:0;}
.footer-title{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-link{display:block;color:#c9d0da;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;color:#c9d0da;line-height:2;}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding:20px 20px 0;border-top:1px solid #2c313a;font-size:13px;color:#8b95a3;text-align:center;}
@media (max-width:1199px){
  .hero-title{font-size:42px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .section-title{font-size:29px;}
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:36px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:12px 20px 20px;border-bottom:1px solid var(--border);box-shadow:0 8px 20px rgba(30,40,60,.1);}
  .nav-list.open{display:flex;}
  .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--bg-alt);}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-title{font-size:30px;}
  .hero-stat-num{font-size:24px;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section-title{font-size:25px;}
  .hero{padding:118px 0 56px;}
  .hero-title{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .card{padding:22px;}
}