:root{
  --primary:#ff6b57;
  --primary-dark:#e0503d;
  --primary-light:#ffe6e1;
  --accent:#3a7bd5;
  --text:#26282d;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#fdf7f5;
  --border:#ecdcd7;
  --shadow:0 6px 20px rgba(38,40,45,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  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;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 52px;}
.section-title{
  font-size:2rem;
  font-weight:800;
  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:4px;
  background:var(--primary);
}
.section-subtitle{
  margin-top:18px;
  color:var(--text-light);
  font-size:1rem;
}

.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;}
.flex-between{display:flex;justify-content:space-between;align-items:center;}

.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .3s, box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(38,40,45,.12);}
.card-icon{
  width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:22px;font-weight:800;
  margin-bottom:18px;
}
.card-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:.95rem;}
.card-body{margin-top:6px;color:var(--text-light);font-size:.95rem;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;
  border-radius:999px;
  font-size:.98rem;
  font-weight:600;
  transition:all .28s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,107,87,.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:.86rem;}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:999;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  transition:box-shadow .3s, background .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(38,40,45,.1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:68px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{
  font-size:1.25rem;font-weight:800;color:var(--primary);
  display:flex;align-items:center;gap:8px;letter-spacing:.5px;
}
.nav-logo::before{
  content:"◈";
  color:var(--accent);
  font-size:1.1rem;
}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{
  font-size:.95rem;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;background:var(--primary);
  transition:width .28s;
}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;font-size:1.5rem;color:var(--text);}
.nav-cta{padding:9px 22px;font-size:.9rem;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}

.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#fff4f1 0%,#fdf7f5 55%,#ffffff 100%);
  position:relative;
  overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:3rem;font-weight:900;line-height:1.25;
  letter-spacing:1px;
  margin-bottom:22px;
  color:var(--text);
}
.hero-title span{color:var(--primary);}
.hero-subtitle{
  font-size:1.12rem;color:var(--text-light);
  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:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px 12px;
  box-shadow:var(--shadow);
}
.hero-stat-num{font-size:1.7rem;font-weight:800;color:var(--primary);}
.hero-stat-label{margin-top:6px;font-size:.86rem;color:var(--text-light);}

.timeline{position:relative;padding-left:32px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;
  width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{
  position:absolute;left:-32px;top:5px;
  width:20px;height:20px;border-radius:50%;
  background:var(--primary-light);
  border:4px solid var(--primary);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:.82rem;color:var(--accent);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:1.05rem;font-weight:700;margin:6px 0 8px;}
.timeline-text{font-size:.93rem;color:var(--text-light);}

.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-4px);}
.news-title{font-size:1.1rem;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;gap:14px;align-items:center;margin-bottom:10px;}
.news-date{font-size:.82rem;color:var(--text-light);}
.news-category{font-size:.76rem;color:var(--primary-dark);background:var(--primary-light);padding:2px 10px;border-radius:999px;}
.news-summary{font-size:.94rem;color:var(--text-light);}
.news-body{margin-top:12px;font-size:.94rem;color:var(--text-light);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{font-size:.78rem;color:var(--text-light);border:1px solid var(--border);border-radius:999px;padding:3px 12px;}

.faq-list{display:flex;flex-direction:column;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:1.03rem;font-weight:700;margin-bottom:8px;}
.faq-answer{font-size:.94rem;color:var(--text-light);}

.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:.92rem;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 15px;
  border:1px solid var(--border);border-radius:10px;
  font-size:.95rem;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(255,107,87,.15);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  width:100%;padding:14px;border-radius:999px;
  background:var(--primary);color:#fff;font-size:1rem;font-weight:700;
  transition:background .28s;
}
.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 10px;}
.stat-number{font-size:2rem;font-weight:800;color:var(--primary);}
.stat-label{margin-top:6px;font-size:.88rem;color:var(--text-light);}
.progress{height:10px;background:var(--primary-light);border-radius:999px;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:10px;}
.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:8px 8px 0 0;}
.bar-label{margin-top:10px;font-size:.82rem;color:var(--text-light);text-align:center;}

.badge{display:inline-block;font-size:.76rem;font-weight:600;color:var(--primary-dark);background:var(--primary-light);padding:3px 12px;border-radius:999px;}
.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{
  display:flex;align-items:center;justify-content:center;
  height:80px;background:#fff;border:1px dashed var(--border);
  border-radius:var(--radius);color:var(--text-light);font-size:.88rem;
}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}

.footer{background:#26282d;color:#c9ccd2;padding:60px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px 44px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:36px;
}
.footer-col{font-size:.92rem;}
.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;color:#c9ccd2;padding:5px 0;transition:color .25s;}
.footer-link:hover{color:var(--primary);}
.footer-info{color:#c9ccd2;font-size:.9rem;line-height:2;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 20px;text-align:center;
  font-size:.84rem;color:#9aa0a8;
}

@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:2.4rem;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .nav-toggle{display:block;}
  .nav-list{
    position:absolute;top:68px;left:0;right:0;
    flex-direction:column;gap:0;
    background:#fff;border-top:1px solid var(--border);
    box-shadow:0 10px 20px rgba(38,40,45,.1);
    max-height:0;overflow:hidden;transition:max-height .35s;
  }
  .nav-list.open{max-height:420px;}
  .nav-list .nav-link{display:block;padding:14px 20px;width:100%;}
  .nav-list .nav-link::after{display:none;}
  .nav-cta{display:none;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:2rem;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:480px){
  .hero-title{font-size:1.7rem;}
  .hero-subtitle{font-size:1rem;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .section-title{font-size:1.5rem;}
}
@media (min-width:1200px){
  .container{max-width:1200px;}
}