:root{
  --primary:#e63329;
  --primary-dark:#b8211a;
  --primary-light:#ff6a5e;
  --accent:#ffb703;
  --text:#1f2328;
  --text-light:#5b6472;
  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --border:#e6e8ec;
  --shadow:0 4px 18px rgba(24,32,48,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
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;font-weight:800;line-height:1.3;letter-spacing:.5px;
  position:relative;display:inline-block;padding-bottom:14px;
}
.section-title::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:56px;height:4px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.section-subtitle{color:var(--text-light);font-size:16px;margin-top:18px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.flex{display:flex;align-items:center;}
.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(24,32,48,.12);}
.card-icon{
  width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-light),var(--primary));color:#fff;
  font-size:24px;font-weight:800;margin-bottom:18px;
}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:14px;}
.btn{
  display:inline-block;padding:13px 30px;border-radius:50px;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);transform:translateY(-2px);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.75);}
.btn-outline:hover{background:#fff;color:var(--primary);}
.btn-sm{padding:8px 18px;font-size:13px;}
.nav{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(24,32,48,.1);border-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:70px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--primary);}
.nav-logo svg{width:32px;height:32px;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text);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;border-radius:2px;
  background:var(--primary);transition:width .3s;
}
.nav-link:hover::after{width:100%;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:8px;background:var(--bg-alt);
  border:1px solid var(--border);cursor:pointer;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:20px;height:2px;background:var(--text);border-radius:2px;display:block;}
.nav-cta{
  display:inline-block;padding:9px 22px;border-radius:50px;font-size:14px;font-weight:600;
  background:var(--primary);color:#fff;transition:background .25s,transform .25s;
}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px);}
.hero{
  position:relative;padding:150px 0 90px;
  background:linear-gradient(140deg,#1f2328 0%,#3a2323 55%,#5c1f1a 100%);
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(230,51,41,.45),transparent 70%);
}
.hero::after{
  content:"";position:absolute;bottom:-160px;left:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,183,3,.25),transparent 70%);
}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:50px;font-weight:900;line-height:1.2;letter-spacing:1px;margin-bottom:22px;
}
.hero-title span{color:var(--accent);}
.hero-subtitle{
  font-size:18px;color:rgba(255,255,255,.82);max-width:720px;margin:0 auto 36px;
}
.hero-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  max-width:900px;margin:0 auto;border-top:1px solid rgba(255,255,255,.15);padding-top:40px;
}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:32px;font-weight:800;color:var(--accent);line-height:1.2;}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--primary);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;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(-3px);box-shadow:0 12px 28px rgba(24,32,48,.12);}
.news-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{
  display:inline-block;padding:2px 12px;border-radius:50px;font-size:12px;
  background:rgba(230,51,41,.1);color:var(--primary);font-weight:600;
}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:14px;color:var(--text-light);}
.news-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.tag{
  display:inline-block;padding:3px 12px;border-radius:50px;font-size:12px;
  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:22px 26px;box-shadow:var(--shadow);
}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text);}
.faq-question::before{content:"Q ";color:var(--primary);font-weight:900;}
.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(230,51,41,.12);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  width:100%;padding:14px;border:none;border-radius:50px;background:var(--primary);
  color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:background .25s,transform .25s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;text-align:center;}
.stat-item{text-align:center;padding:24px 12px;}
.stat-number{font-size:34px;font-weight:900;color:var(--primary);line-height:1.2;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:8px;}
.progress{height:10px;border-radius:50px;background:var(--bg-alt);overflow:hidden;margin-top:12px;}
.progress-fill{height:100%;border-radius:50px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;justify-content:space-around;gap:18px;height:220px;padding:20px;}
.bar-item{display:flex;flex-direction:column;align-items:center;flex:1;height:100%;justify-content:flex-end;}
.bar-fill{
  width:100%;max-width:56px;border-radius:8px 8px 0 0;
  background:linear-gradient(180deg,var(--primary-light),var(--primary));
}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;text-align:center;}
.badge{
  display:inline-block;padding:4px 14px;border-radius:50px;font-size:12px;font-weight:600;
  background:rgba(255,183,3,.16);color:#a96f00;
}
.customer-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s;
}
.customer-card:hover{transform:translateY(-4px);}
.case-card{
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--primary);
  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{
  display:flex;align-items:center;justify-content:center;height:88px;
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-light);font-size:14px;font-weight:600;letter-spacing:1px;
}
.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);position:relative;
}
.review-card::before{
  content:"\201C";position:absolute;top:6px;right:22px;font-size:60px;
  color:var(--border);font-family:Georgia,serif;line-height:1;
}
.benefit-card{
  background:linear-gradient(135deg,#fff,#fff7f6);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
}
.step-list{display:grid;gap:22px;}
.step-item{
  display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
}
.step-number{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-weight:800;font-size:18px;
}
.region-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.support-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);border-top:4px solid var(--accent);
}
.footer{background:#1f2328;color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px 48px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-col{font-size:14px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-link{display:block;color:rgba(255,255,255,.68);font-size:14px;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 20px;text-align:center;
  font-size:13px;color:rgba(255,255,255,.55);max-width:1200px;margin:0 auto;
}
.footer-info{font-size:14px;line-height:2;color:rgba(255,255,255,.72);}
@media (max-width:1200px){
  .hero-title{font-size:44px;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);gap:32px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .nav-list{
    display:none;position:absolute;top:70px;left:0;width:100%;flex-direction:column;
    gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);
  }
  .nav-list.open{display:flex;}
  .nav-list .nav-link{display:block;width:100%;padding:14px 24px;border-bottom:1px solid var(--border);font-size:16px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:center;}
  .bar-chart{height:180px;gap:10px;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;}
  .hero-stat-num{font-size:24px;}
  .card{padding:20px;}
  .container{padding:0 16px;}
  .footer-inner{grid-template-columns:1fr;}
}