:root{
  --primary:#c0392b;
  --primary-dark:#96281b;
  --primary-light:#f5e3e1;
  --accent:#f39c12;
  --text:#2c2c2c;
  --text-light:#6b6b6b;
  --bg:#ffffff;
  --bg-alt:#f7f5f4;
  --border:#e5e0de;
  --shadow:0 2px 12px rgba(0,0,0,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:"Helvetica Neue",Helvetica,"PingFang SC","Microsoft YaHei",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(--text);margin-bottom:14px;letter-spacing:.5px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.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 8px 24px rgba(0,0,0,.12);}
.card-icon{width:48px;height:48px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:16px;}
.card-title{font-size:18px;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:6px;}
.btn{display:inline-block;padding:12px 28px;border-radius:30px;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;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;color:#fff;border-color:#fff;}
.btn-outline:hover{background:#fff;color:var(--primary);}
.btn-sm{padding:8px 18px;font-size:13px;}
.nav{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,.96);z-index:1000;transition:box-shadow .3s;border-bottom:1px solid var(--border);}
.nav.scrolled{box-shadow:0 2px 16px rgba(0,0,0,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:.5px;}
.nav-list{display:flex;gap:28px;align-items:center;}
.nav-link{font-size:15px;color:var(--text);transition:color .2s;font-weight:500;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text);}
.nav-cta{background:var(--primary);color:#fff;padding:9px 22px;border-radius:24px;font-size:14px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{background:linear-gradient(135deg,#2c2c2c 0%,#4a2020 55%,#c0392b 100%);color:#fff;padding:150px 0 90px;position:relative;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:44px;margin-bottom:20px;letter-spacing:1px;}
.hero-subtitle{font-size:18px;color:rgba(255,255,255,.85);max-width:720px;margin:0 auto 36px;}
.hero-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto;}
.hero-stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:22px 12px;}
.hero-stat-num{font-size:28px;font-weight:700;color:var(--accent);}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,.8);margin-top:6px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;margin-bottom:32px;}
.timeline-dot{position:absolute;left:-32px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--primary);border:3px solid var(--primary-light);}
.timeline-content{}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;margin-bottom:4px;}
.timeline-title{font-size:17px;margin-bottom:6px;}
.timeline-text{font-size:15px;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);}
.news-title{font-size:17px;margin-bottom:8px;}
.news-meta{display:flex;gap:14px;align-items:center;margin-bottom:10px;}
.news-date{font-size:13px;color:var(--text-light);}
.news-category{font-size:12px;background:var(--primary-light);color:var(--primary);padding:3px 10px;border-radius:12px;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{font-size:12px;background:var(--bg-alt);color:var(--text-light);padding:3px 10px;border-radius:12px;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;box-shadow:var(--shadow);}
.faq-question{font-size:16px;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;color:var(--text);}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{background:var(--primary);color:#fff;border:none;padding:13px 34px;border-radius:30px;font-size:15px;font-weight:600;cursor:pointer;transition:background .25s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:8px;}
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:34px;font-weight:700;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--bg-alt);border-radius:6px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:6px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:200px;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%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:6px 6px 0 0;transition:height .4s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:12px;background:var(--accent);color:#fff;font-weight:600;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.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{background:var(--bg-alt);border:1px dashed var(--border);border-radius:var(--radius);height:80px;display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:14px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-list{display:grid;gap:24px;}
.step-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:relative;box-shadow:var(--shadow);}
.step-number{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px;}
.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:24px;box-shadow:var(--shadow);}
.footer{background:#22201f;color:rgba(255,255,255,.72);padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:40px;}
.footer-col{}
.footer-title{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.65);margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.55);}
.footer-info{font-size:14px;line-height:2;color:rgba(255,255,255,.65);}
@media (max-width:1200px){
  .hero-title{font-size:38px;}
}
@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);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-list{display:none;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  .hero-title{font-size:30px;}
  .hero{padding:120px 0 70px;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
}
@media (max-width:480px){
  .hero-title{font-size:25px;}
  .hero-subtitle{font-size:15px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat-num{font-size:24px;}
  .section-title{font-size:21px;}
  .card{padding:22px;}
}