:root{
  --primary:#e63946;
  --primary-dark:#b32230;
  --primary-light:#ff6b78;
  --accent:#1d3557;
  --text:#1c1f26;
  --text-light:#5f6673;
  --bg:#ffffff;
  --bg-alt:#f5f6f8;
  --border:#e4e7ec;
  --shadow:0 6px 24px rgba(20,25,40,.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:1.7;
  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;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;line-height:1.3;}
.section-subtitle{margin-top:14px;color:var(--text-light);font-size:1.02rem;}
.grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.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;flex-wrap:wrap;gap:16px;align-items:center;}
.flex-between{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
.card{
  background:#fff;
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  transition:transform .3s, box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,25,40,.14);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-size:1.4rem;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:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:.98rem;font-weight:600;
  transition:all .25s;border:2px solid transparent;line-height:1;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(230,57,70,.28);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{border-color:rgba(255,255,255,.75);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.14);}
.btn-sm{padding:9px 20px;font-size:.85rem;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  transition:box-shadow .3s, background .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(20,25,40,.12);background:#fff;}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;justify-content:space-between;
  height:70px;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.28rem;font-weight:800;letter-spacing:1px;
  color:var(--primary);white-space:nowrap;
}
.nav-logo::before{
  content:"▶";
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-size:.9rem;
}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{
  font-size:.95rem;font-weight:500;color:var(--text);position:relative;
  padding:6px 0;transition:color .2s;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);transition:width .25s;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-toggle{
  display:none;font-size:1.5rem;color:var(--text);
  padding:6px 10px;border-radius:8px;
}
.nav-cta{padding:10px 24px;font-size:.88rem;border-radius:999px;}
.hero{
  position:relative;
  padding:150px 0 90px;
  background:
    radial-gradient(circle at 78% 22%, rgba(230,57,70,.35), transparent 55%),
    radial-gradient(circle at 15% 85%, rgba(29,53,87,.55), transparent 60%),
    linear-gradient(135deg,#111826 0%,#1d3557 55%,#2b1a26 100%);
  color:#fff;
  overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
.hero-title{
  font-size:3.1rem;font-weight:900;line-height:1.22;letter-spacing:1px;
  max-width:820px;
}
.hero-title span{color:var(--primary-light);}
.hero-subtitle{
  margin-top:22px;max-width:640px;
  font-size:1.1rem;color:rgba(255,255,255,.82);line-height:1.85;
}
.hero-actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:16px;}
.hero-stats{
  margin-top:64px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding-top:34px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stat{text-align:left;}
.hero-stat-num{font-size:2rem;font-weight:800;color:#fff;line-height:1.2;}
.hero-stat-num em{font-style:normal;font-size:1rem;color:var(--primary-light);margin-left:2px;}
.hero-stat-label{margin-top:6px;font-size:.86rem;color:rgba(255,255,255,.65);}
.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:34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-34px;top:5px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:4px solid var(--primary);
}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:.84rem;color:var(--primary);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:1.1rem;font-weight:700;margin:6px 0 6px;}
.timeline-text{color:var(--text-light);font-size:.94rem;}
.news-list{display:grid;gap:20px;}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;transition:box-shadow .3s, transform .3s;
}
.news-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.news-title{font-size:1.12rem;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:.84rem;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{
  background:rgba(230,57,70,.1);color:var(--primary);
  padding:3px 12px;border-radius:999px;font-weight:600;
}
.news-summary{color:var(--text-light);font-size:.94rem;}
.news-body{color:var(--text);font-size:.95rem;margin-top:12px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:.78rem;padding:4px 12px;border-radius:999px;
  background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);
}
.faq-list{display:grid;gap:16px;max-width:880px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;}
.faq-question{font-weight:700;font-size:1.02rem;display:flex;gap:10px;}
.faq-question::before{content:"Q";color:var(--primary);font-weight:900;flex-shrink:0;}
.faq-answer{margin-top:10px;color:var(--text-light);font-size:.94rem;padding-left:24px;}
.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 16px;font-size:.95rem;font-family:inherit;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);
  transition:border-color .2s, box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(230,57,70,.12);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  width:100%;padding:14px;border-radius:10px;background:var(--primary);color:#fff;
  font-size:1rem;font-weight:700;transition:background .2s, transform .2s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:16px;}
.stat-number{font-size:2.2rem;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{margin-top:6px;font-size:.9rem;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-light));}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;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%;max-width:56px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{margin-top:10px;font-size:.82rem;color:var(--text-light);}
.badge{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:.78rem;font-weight:700;
  background:rgba(230,57,70,.1);color:var(--primary);
}
.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:28px;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 14px 34px rgba(20,25,40,.14);
}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  height:80px;border-radius:12px;background:#fff;border:1px dashed var(--border);
  color:var(--text-light);font-size:.86rem;letter-spacing:1px;
}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;font-weight:800;font-size:1rem;
}
.footer{background:#111826;color:rgba(255,255,255,.7);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{}
.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;font-size:.9rem;color:rgba(255,255,255,.66);margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{font-size:.9rem;line-height:2;color:rgba(255,255,255,.66);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 20px;text-align:center;
  font-size:.84rem;color:rgba(255,255,255,.5);
  max-width:1200px;margin:0 auto;
}
@media (max-width:1200px){
  .hero-title{font-size:2.7rem;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:2.35rem;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .nav-list{gap:20px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-title{font-size:1.6rem;}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .nav-toggle{display:block;}
  .nav-list{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--border);
    box-shadow:0 12px 24px rgba(20,25,40,.1);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav-list.active{max-height:420px;}
  .nav-link{padding:14px 24px;border-bottom:1px solid var(--border);}
  .nav-link::after{display:none;}
  .nav-cta{margin:14px 24px;display:inline-flex;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:1.95rem;}
  .hero-subtitle{font-size:1rem;}
  .hero-stats{margin-top:44px;gap:16px;}
  .hero-stat-num{font-size:1.6rem;}
  .footer-inner{grid-template-columns:1fr;gap:32px;}
  .bar-chart{height:170px;gap:12px;}
}
@media (max-width:480px){
  .hero-title{font-size:1.65rem;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .card{padding:22px;}
  .section-title{font-size:1.4rem;}
}