:root{
  --primary:#e8552d;
  --primary-dark:#c23f1c;
  --primary-light:#ff8a63;
  --accent:#ffb703;
  --text:#22252b;
  --text-light:#666c78;
  --bg:#ffffff;
  --bg-alt:#f6f4f1;
  --border:#e6e2dc;
  --shadow:0 6px 20px rgba(34,37,43,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
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,ol{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.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 50px}
.section-title{font-size:32px;color:var(--text);margin-bottom:14px;letter-spacing:.5px}
.section-subtitle{font-size:16px;color:var(--text-light)}

.grid{display:grid;gap:26px}
.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);transition:transform .3s,box-shadow .3s;border:1px solid var(--border)}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(34,37,43,.14)}
.card-icon{width:54px;height:54px;border-radius:12px;background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;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;color:var(--text)}
.card-text{font-size:15px;color:var(--text-light)}
.card-body{margin-top:14px}

.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:all .25s;text-align:center}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(232,85,45,.32)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:8px 18px;font-size:13px}

.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);transition:box-shadow .3s,background .3s}
.nav.scrolled{box-shadow:0 4px 20px rgba(34,37,43,.12);background:#fff}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:8px}
.nav-logo span{color:var(--text)}
.nav-list{display:flex;align-items:center;gap:30px}
.nav-link{font-size:15px;color:var(--text);font-weight:500;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 .3s}
.nav-link:hover::after{width:100%}
.nav-cta{padding:9px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .25s}
.nav-cta:hover{background:var(--primary-dark)}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff5f0 0%,#fdf0e6 55%,#fff 100%);overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,138,99,.28),transparent 68%)}
.hero::after{content:"";position:absolute;bottom:-140px;left:-100px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,183,3,.18),transparent 70%)}
.hero-inner{position:relative;max-width:1200px;margin:0 auto;padding:0 20px;z-index:1}
.hero-title{font-size:48px;line-height:1.25;max-width:760px;letter-spacing:1px}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-subtitle{margin-top:22px;font-size:18px;color:var(--text-light);max-width:640px}
.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;max-width:900px}
.hero-stat{background:#fff;border-radius:var(--radius);padding:22px 18px;box-shadow:var(--shadow);border:1px solid var(--border);text-align:center}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);display:block}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;display:block}

.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;margin-bottom:32px}
.timeline-dot{position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--primary)}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;margin-bottom:6px}
.timeline-title{font-size:17px;margin-bottom:6px}
.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;transition:box-shadow .3s}
.news-item:hover{box-shadow:var(--shadow)}
.news-title{font-size:18px;margin-bottom:8px}
.news-meta{display:flex;gap:14px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.news-date{font-size:13px;color:var(--text-light)}
.news-category{font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(232,85,45,.1);color:var(--primary);font-weight:600}
.news-summary{font-size:15px;color:var(--text-light)}
.news-body{font-size:15px;color:var(--text);margin-top:12px}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:12px;padding:4px 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:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text)}
.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}
.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(232,85,45,.12)}
.form-textarea{min-height:130px;resize:vertical}
.form-submit{display:inline-block;padding:13px 40px;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;transition:background .25s}
.form-submit:hover{background:var(--primary-dark)}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px}

.stat-item{text-align:center;padding:20px 12px}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);display:block}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;display:block}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden;margin:10px 0 4px}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary-light),var(--primary))}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:200px;padding:16px 0}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:8px}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary-light),var(--primary));border-radius:8px 8px 0 0;min-height:8px}
.bar-label{font-size:12px;color:var(--text-light);text-align:center}

.badge{display:inline-block;font-size:12px;padding:3px 12px;border-radius:999px;background:var(--accent);color:#3a2a00;font-weight:700}
.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)}
.partner-logo{height:70px;border:1px dashed var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-light);background:#fff}
.step-list{display:grid;gap:20px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}

.footer{background:#1d2026;color:#c9ccd3;padding:64px 0 28px;margin-top:20px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-col{min-width:0}
.footer-title{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700}
.footer-link{display:block;font-size:14px;color:#c9ccd3;margin-bottom:10px;transition:color .25s}
.footer-link:hover{color:var(--primary-light)}
.footer-info{font-size:14px;line-height:1.9;color:#c9ccd3}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;font-size:13px;color:#8d919a;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (min-width:1200px){.hero-title{font-size:52px}}
@media (max-width:992px){
  .hero-title{font-size:40px}
  .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:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-title{font-size:26px}
  .nav-list{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease;box-shadow:var(--shadow)}
  .nav-list.open{max-height:420px;padding:12px 20px 20px}
  .nav-list li{width:100%;border-bottom:1px solid var(--border)}
  .nav-list li:last-child{border-bottom:none}
  .nav-link{display:block;padding:14px 0;width:100%}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .hero{padding:120px 0 70px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:480px){
  .hero-title{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .hero-stat-num{font-size:24px}
  .section-title{font-size:23px}
  .card{padding:22px}
  .footer{padding:48px 0 22px}
}