:root{
  --primary:#e8453c;
  --primary-dark:#c2332b;
  --primary-light:#fdeceb;
  --accent:#f5a623;
  --text:#1f2328;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e5e7eb;
  --shadow:0 2px 12px rgba(31,35,40,.08);
  --radius:12px;
}
*,*::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;}
button{font-family:inherit;cursor:pointer;}
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:2rem;color:var(--text);margin-bottom:14px;}
.section-subtitle{font-size:1.02rem;color:var(--text-light);}
.grid{display:grid;gap:24px;}
.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:16px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.card{
  background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
  border:1px solid var(--border);transition:transform .3s,box-shadow .3s;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(31,35,40,.13);}
.card-icon{
  width:52px;height:52px;border-radius:12px;background:var(--primary-light);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:1.35rem;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:1.15rem;margin-bottom:10px;color:var(--text);}
.card-text{font-size:.95rem;color:var(--text-light);line-height:1.75;}
.card-body{margin-top:16px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:.98rem;font-weight:600;
  border:2px solid transparent;transition:all .25s;cursor:pointer;
}
.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:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:.86rem;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(31,35,40,.1);border-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--text);}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:.95rem;color:var(--text-light);font-weight:500;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{
  display:none;background:none;border:none;font-size:1.6rem;color:var(--text);
  padding:4px 8px;line-height:1;
}
.nav-cta{display:inline-flex;}
.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#fff 0%,#fdf1f0 55%,#fbe9e8 100%);
  position:relative;overflow:hidden;
}
.hero-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.hero-title{font-size:2.9rem;letter-spacing:-.5px;margin-bottom:20px;color:var(--text);}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{font-size:1.1rem;color:var(--text-light);margin-bottom:34px;max-width:520px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:520px;}
.hero-stat{background:#fff;border-radius:var(--radius);padding:18px 16px;box-shadow:var(--shadow);border:1px solid var(--border);text-align:center;}
.hero-stat-num{display:block;font-size:1.5rem;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{display:block;font-size:.82rem;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;margin-bottom:30px;}
.timeline-dot{
  position:absolute;left:-34px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline-content{background:#fff;border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow);border:1px solid var(--border);}
.timeline-date{font-size:.82rem;color:var(--primary);font-weight:600;margin-bottom:4px;display:block;}
.timeline-title{font-size:1.05rem;margin-bottom:6px;}
.timeline-text{font-size:.92rem;color:var(--text-light);}
.news-list{display:grid;gap:18px;}
.news-item{background:#fff;border-radius:var(--radius);padding:22px 24px;border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(31,35,40,.12);}
.news-title{font-size:1.08rem;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.news-date{font-size:.82rem;color:var(--text-light);}
.news-category{font-size:.75rem;background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-summary{font-size:.93rem;color:var(--text-light);}
.news-body{font-size:.95rem;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.tag{font-size:.76rem;background:var(--bg-alt);color:var(--text-light);padding:3px 10px;border-radius:6px;border:1px solid var(--border);}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:14px;}
.faq-item{background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);padding:20px 24px;}
.faq-question{font-size:1.02rem;font-weight:700;color:var(--text);display:flex;justify-content:space-between;gap:12px;}
.faq-answer{font-size:.94rem;color:var(--text-light);margin-top:10px;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:.9rem;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:.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:120px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;padding:13px 36px;
  background:var(--primary);color:#fff;border:none;border-radius:999px;font-size:1rem;
  font-weight:600;transition:background .25s,transform .25s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:8px;}
.stat-item{text-align:center;padding:20px 12px;}
.stat-number{font-size:2rem;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{font-size:.88rem;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(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:20px;}
.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),var(--accent));border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{font-size:.82rem;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;font-size:.74rem;font-weight:700;padding:3px 10px;border-radius:6px;background:var(--accent);color:#fff;}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{
  background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--border);
  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);box-shadow:0 10px 26px rgba(31,35,40,.13);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;height:80px;border-radius:10px;
  background:var(--bg-alt);border:1px dashed var(--border);color:var(--text-light);
  font-size:.85rem;font-weight:600;
}
.step-list{display:grid;gap:18px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border-radius:var(--radius);padding:20px 24px;border:1px solid var(--border);box-shadow:var(--shadow);}
.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:1.1rem;
}
.footer{background:#1a1d21;color:#c4c8cf;padding:64px 0 0;margin-top:0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 44px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-col{min-width:0;}
.footer-title{font-size:1rem;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-link{display:block;font-size:.9rem;color:#c4c8cf;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:.88rem;line-height:1.9;color:#c4c8cf;}
.footer-info a{color:#c4c8cf;}
.footer-info a:hover{color:var(--primary);}
.footer-bottom{border-top:1px solid #2c3138;padding:20px;text-align:center;font-size:.84rem;color:#8b919b;}
.footer-bottom a{color:#8b919b;}
.footer-bottom a:hover{color:var(--primary);}
@media (min-width:1200px){
  .hero-title{font-size:3.1rem;}
}
@media (max-width:992px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:2.3rem;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .nav-list{gap:20px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:1.6rem;}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--border);
    box-shadow:0 10px 20px rgba(31,35,40,.08);display:none;
  }
  .nav-list.open{display:flex;}
  .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .hero-stats{grid-template-columns:1fr;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-title{font-size:1.9rem;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;}
  .bar-chart{gap:10px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .hero{padding:120px 0 56px;}
  .hero-title{font-size:1.65rem;}
  .hero-subtitle{font-size:1rem;}
  .card{padding:22px;}
  .section-title{font-size:1.4rem;}
  .step-item{padding:16px 18px;gap:14px;}
  .step-number{flex-basis:38px;width:38px;height:38px;font-size:1rem;}
}