:root{
  --primary:#f2691e;
  --primary-dark:#c8500f;
  --primary-light:#ffab72;
  --accent:#2a4d8f;
  --text:#22262c;
  --text-light:#616a75;
  --bg:#ffffff;
  --bg-alt:#f7f5f2;
  --border:#e6e2dc;
  --shadow:0 4px 18px rgba(34,38,44,.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;transition:color .25s;}
ul{list-style:none;}
img{max-width:100%;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:1.3;letter-spacing:.5px;margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flex{display:flex;align-items:center;gap:16px;}
.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 12px 30px rgba(34,38,44,.12);}
.card-icon{width:52px;height:52px;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:6px;}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .3s;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:14px;}
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);transition:box-shadow .3s;border-bottom:1px solid transparent;}
.nav.scrolled{box-shadow:0 4px 16px rgba(34,38,44,.1);border-bottom-color:var(--border);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1200px;margin:0 auto;padding:0 20px;}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:1px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--text);cursor:pointer;line-height:1;}
.nav-cta{padding:9px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;}
.nav-cta:hover{background:var(--primary-dark);color:#fff;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#fff6ef 0%,#f7f5f2 60%,#ffffff 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:44px;line-height:1.25;letter-spacing:1px;margin-bottom:20px;}
.hero-title span{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:18px;flex-wrap:wrap;margin-bottom:54px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:900px;margin:0 auto;}
.hero-stat{background:#fff;border-radius:var(--radius);padding:22px 12px;box-shadow:var(--shadow);border:1px solid var(--border);}
.hero-stat-num{font-size:26px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-dot{position:absolute;left:-37px;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{padding-left:4px;}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:18px;margin:4px 0 6px;}
.timeline-text{color:var(--text-light);font-size:15px;}
.news-list{display:grid;gap:22px;}
.news-item{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(34,38,44,.12);}
.news-title{font-size:19px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.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:10px;color:var(--text);font-size:15px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--border);font-size:13px;color:var(--text-light);}
.faq-list{display:grid;gap:16px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border-radius:var(--radius);padding:22px 26px;border:1px solid var(--border);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:15px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;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(242,105,30,.15);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{display:inline-block;padding:13px 40px;border-radius:999px;background:var(--primary);color:#fff;border:none;font-size:16px;font-weight:600;cursor:pointer;transition:background .3s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;background:#fff;border-radius:var(--radius);padding:26px 16px;box-shadow:var(--shadow);border:1px solid var(--border);}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.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(--primary-light));border-radius:999px;}
.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%;}
.bar-fill{width:100%;max-width:56px;background:linear-gradient(180deg,var(--primary-light),var(--primary));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px;}
.badge{display:inline-block;padding:4px 14px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--border);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(34,38,44,.12);}
.partner-logo{height:80px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;background:#fff;}
.step-list{display:grid;gap:20px;counter-reset:step;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--border);box-shadow:var(--shadow);}
.step-number{flex:0 0 40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;}
.footer{background:#1d2126;color:#c9ced6;padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;max-width:1200px;margin:0 auto;padding:0 20px 40px;}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{font-size:16px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#a8b0ba;font-size:14px;margin-bottom:8px;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{color:#a8b0ba;font-size:14px;line-height:2;}
.footer-bottom{border-top:1px solid #2c3138;padding:20px;text-align:center;font-size:13px;color:#8a939e;max-width:1200px;margin:0 auto;}
@media(max-width:1200px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:992px){
  .hero-title{font-size:36px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .nav-list{position:absolute;top:68px;left:0;width:100%;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:10px 0;box-shadow:0 10px 24px rgba(34,38,44,.12);display:none;}
  .nav-list.open{display:flex;}
  .nav-link{padding:12px 24px;width:100%;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .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;}
  .hero-actions{flex-direction:column;align-items:center;gap:14px;}
  .footer-inner{grid-template-columns:1fr;}
}
@media(max-width:480px){
  .hero-title{font-size:25px;}
  .hero-stat-num{font-size:22px;}
  .section-title{font-size:22px;}
  .card{padding:20px;}
  .btn{width:100%;}
}