:root{
  --primary:#d92b2b;
  --primary-dark:#a81f1f;
  --primary-light:#fdecec;
  --accent:#ff8a3d;
  --text:#22252a;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e6e8eb;
  --shadow:0 6px 20px rgba(20,25,35,.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{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
img,svg{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;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:2rem;color:var(--text);margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:1.02rem;}
.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;align-items:center;gap:14px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .3s, box-shadow .3s, border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(20,25,35,.12);border-color:var(--primary-light);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  margin-bottom:18px;font-size:1.5rem;font-weight:700;
}
.card-title{font-size:1.15rem;margin-bottom:10px;color:var(--text);}
.card-text{color:var(--text-light);font-size:.95rem;}
.card-body{padding-top:4px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:1px solid transparent;
  font-size:1rem;font-weight:600;cursor:pointer;transition:all .25s;
  font-family:inherit;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(217,43,43,.25);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:.88rem;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(20,25,35,.1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.22rem;font-weight:800;color:var(--primary);}
.nav-logo span{color:var(--text);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:.95rem;color:var(--text);font-weight:500;position:relative;padding:6px 0;transition:color .2s;}
.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 .25s;border-radius:2px;
}
.nav-link:hover::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);
  border-radius:10px;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:.3s;}
.hero{
  padding:140px 0 90px;
  background:linear-gradient(160deg,#fff5f3 0%,#ffffff 55%,#fff8ef 100%);
  position:relative;overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:2.9rem;font-weight:800;letter-spacing:-.5px;
  color:var(--text);margin-bottom:20px;
}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{
  max-width:720px;margin:0 auto 34px;
  font-size:1.12rem;color:var(--text-light);
}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:860px;margin:0 auto;
}
.hero-stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 14px;box-shadow:var(--shadow);
}
.hero-stat-num{font-size:1.9rem;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:.86rem;color:var(--text-light);margin-top:6px;}
.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;padding-bottom:30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-34px;top:5px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;}
.timeline-date{font-size:.82rem;color:var(--primary);font-weight:600;margin-bottom:4px;}
.timeline-title{font-size:1.05rem;margin-bottom:6px;}
.timeline-text{color:var(--text-light);font-size:.92rem;}
.news-list{display:flex;flex-direction:column;gap:18px;}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow);transition:transform .3s;
}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:1.08rem;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:.82rem;}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--primary-light);color:var(--primary);
  padding:2px 10px;border-radius:999px;font-weight:600;
}
.news-summary{color:var(--text-light);font-size:.94rem;}
.news-body{color:var(--text);font-size:.96rem;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-block;padding:3px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--text-light);font-size:.8rem;border:1px solid var(--border);
}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;}
.faq-question{font-size:1.02rem;font-weight:700;margin-bottom:8px;}
.faq-answer{color:var(--text-light);font-size:.94rem;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:.9rem;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:.95rem;font-family:inherit;
  background:#fff;color:var(--text);transition:border-color .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  width:100%;padding:14px;border:none;border-radius:10px;
  background:var(--primary);color:#fff;font-size:1rem;font-weight:700;
  cursor:pointer;font-family:inherit;transition:background .2s;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:2rem;font-weight:800;color:var(--primary);}
.stat-label{font-size:.88rem;color:var(--text-light);margin-top:6px;}
.progress{height:10px;border-radius:999px;background:var(--border);overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:16px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--accent),var(--primary));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:.8rem;color:var(--text-light);}
.badge{
  display:inline-block;padding:3px 10px;border-radius:6px;
  background:var(--primary);color:#fff;font-size:.74rem;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:24px;box-shadow:var(--shadow);transition:transform .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{
  display:flex;align-items:center;justify-content:center;
  height:78px;border:1px dashed var(--border);border-radius:var(--radius);
  background:#fff;color:var(--text-light);font-size:.86rem;
}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex:none;width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.footer{background:#1d2025;color:#c9cdd4;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 1.3fr;gap:36px;
}
.footer-col h4,.footer-title{color:#fff;font-size:1rem;margin-bottom:16px;font-weight:700;}
.footer-link{display:block;color:#c9cdd4;font-size:.9rem;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:.9rem;line-height:1.9;color:#c9cdd4;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px;text-align:center;font-size:.84rem;color:#8f959e;
}
@media (max-width:1199px){
  .hero-title{font-size:2.5rem;}
}
@media (max-width:991px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .nav-list{
    position:absolute;top:68px;left:0;right:0;
    background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .3s;
  }
  .nav-list.open{max-height:420px;}
  .nav-list li{width:100%;}
  .nav-link{display:block;padding:14px 20px;border-bottom:1px solid var(--border);}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .hero{padding:110px 0 64px;}
  .hero-title{font-size:2rem;}
  .hero-subtitle{font-size:1rem;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .section-title{font-size:1.6rem;}
  .bar-chart{height:180px;gap:10px;}
}
@media (max-width:479px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-title{font-size:1.7rem;}
}