:root{
  --primary:#f57c3a;
  --primary-dark:#d95f22;
  --primary-light:#ffb583;
  --accent:#3aa0f5;
  --text:#26212e;
  --text-light:#6d6678;
  --bg:#ffffff;
  --bg-alt:#fdf6f1;
  --border:#efe6df;
  --shadow:0 6px 22px rgba(38,33,46,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:16px;line-height:1.75;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
svg{display:block;}
.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;line-height:1.35;font-weight:700;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;flex-wrap:wrap;gap:16px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;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 14px 32px rgba(38,33,46,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;margin-bottom:12px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:16px;}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;text-align:center;}
.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:8px 18px;font-size:13px;border-width:1px;}
.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 4px 18px rgba(38,33,46,.1);border-bottom-color:var(--border);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--primary);}
.nav-logo span{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;padding:6px 2px;border-bottom:2px solid transparent;transition:color .25s,border-color .25s;}
.nav-link:hover{color:var(--primary);border-bottom-color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;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{padding:150px 0 84px;background:linear-gradient(160deg,#fff6ef 0%,#fdf1ea 45%,#ffffff 100%);position:relative;overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:44px;line-height:1.3;font-weight:800;letter-spacing:1px;max-width:760px;}
.hero-title em{font-style:normal;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:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);}
.hero-stat{text-align:center;padding:0 8px;}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{margin-top:8px;font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:26px;}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-dot{position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(245,124,58,.18);}
.timeline-content{}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;}
.timeline-title{font-size:18px;font-weight:700;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);}
.news-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:12px;flex-wrap:wrap;}
.news-date{}
.news-category{background:rgba(245,124,58,.12);color:var(--primary-dark);padding:2px 10px;border-radius:999px;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:14px;color:var(--text-light);font-size:15px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{display:inline-block;font-size:12px;padding:3px 12px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}
.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;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;}
.faq-answer{color:var(--text-light);font-size:15px;}
.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;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(245,124,58,.15);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;}
.stat-item{text-align:center;padding:20px 10px;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--border);overflow:hidden;margin-top:10px;}
.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:18px;height:220px;padding-top:16px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;max-width:46px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{margin-top:10px;font-size:13px;color:var(--text-light);text-align:center;}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:6px;background:var(--primary);color:#fff;font-weight:600;}
.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,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 32px rgba(38,33,46,.12);}
.partner-logo{display:flex;align-items:center;justify-content:center;height:76px;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:24px;}
.step-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 26px 26px 92px;box-shadow:var(--shadow);}
.step-number{position:absolute;left:26px;top:26px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;}
.footer{background:#241f2b;color:#c9c3d1;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-col{}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;color:#c9c3d1;font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{font-size:14px;line-height:2;color:#a99fb4;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:13px;color:#8d849b;text-align:center;}
@media (max-width:1199px){
  .hero-title{font-size:38px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1.4fr 1fr 1.2fr;gap:30px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .section-title{font-size:27px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero{padding:130px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:26px;}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-list{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:12px 20px 20px;box-shadow:0 12px 24px rgba(38,33,46,.12);border-top:1px solid var(--border);}
  .nav-list.open{display:flex;}
  .nav-list .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;}
  .nav-cta .btn{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-title{font-size:27px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;padding:22px 16px;}
  .bar-chart{height:180px;gap:10px;}
  .step-item{padding:24px 20px 24px 84px;}
  .step-number{left:20px;top:24px;}
}
@media (max-width:480px){
  .container,.hero-inner{padding:0 16px;}
  .section{padding:52px 0;}
  .section-title{font-size:23px;}
  .hero{padding:118px 0 52px;}
  .hero-title{font-size:23px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .card,.news-item,.faq-item,.step-item,.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{padding:20px;}
  .step-item{padding:22px 18px 22px 74px;}
  .step-number{left:18px;top:22px;width:38px;height:38px;font-size:15px;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-stat-num{font-size:24px;}
}