:root{
  --primary:#e0473a;
  --primary-dark:#b8332a;
  --primary-light:#ff7b6d;
  --accent:#f5a623;
  --text:#1d2129;
  --text-light:#5b6472;
  --bg:#ffffff;
  --bg-alt:#f6f7fb;
  --border:#e5e8ef;
  --shadow:0 6px 24px rgba(24,32,48,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
img,svg{max-width:100%;height:auto;display:block;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
.container{width:100%;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;line-height:1.3;font-weight:700;letter-spacing:.5px;}
.section-title::after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--primary);margin:16px auto 0;}
.section-subtitle{margin-top:16px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.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: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 34px rgba(24,32,48,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:rgba(224,71,58,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;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:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:16px;font-weight:600;transition:all .25s;border:2px solid transparent;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(224,71,58,.28);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);}
.btn-outline{border-color:var(--border);color:var(--text);background:#fff;}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{padding:8px 18px;font-size:14px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(24,32,48,.1);border-bottom-color:var(--border);}
.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:20px;font-weight:800;letter-spacing:.5px;color:var(--text);}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--border);align-items:center;justify-content:center;font-size:20px;color:var(--text);}
.nav-cta{display:inline-flex;align-items:center;gap:8px;}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff5f3 0%,#f6f7fb 55%,#eef1f8 100%);overflow:hidden;}
.hero::before{content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(224,71,58,.18),transparent 70%);}
.hero-inner{position:relative;max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;line-height:1.25;font-weight:800;letter-spacing:1px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{margin:22px auto 0;max-width:760px;font-size:17px;color:var(--text-light);}
.hero-actions{margin-top:34px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
.hero-stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px 20px;}
.hero-stat{text-align:center;}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{position:absolute;left:-37px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(224,71,58,.15);}
.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;color:var(--primary);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0 8px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:grid;gap:20px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(24,32,48,.12);}
.news-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:12px;flex-wrap:wrap;}
.news-date{color:var(--text-light);}
.news-category{display:inline-block;padding:2px 10px;border-radius:999px;background:rgba(224,71,58,.1);color:var(--primary);font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text-light);}
.news-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}
.tag{display:inline-block;padding:3px 12px;border-radius:999px;border:1px solid var(--border);background:var(--bg-alt);font-size:13px;color:var(--text-light);}
.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;display:flex;gap:10px;}
.faq-answer{margin-top:10px;font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:15px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;font-size:15px;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:10px;transition:border-color .2s,box-shadow .2s;outline:none;}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(224,71,58,.12);}
.form-textarea{min-height:140px;resize:vertical;}
.form-submit{width:100%;}
.form-tip{margin-top:10px;font-size:13px;color:var(--text-light);}
.stat-item{text-align:center;padding:20px 12px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:#eceff5;overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:16px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:10px;}
.bar-fill{width:100%;max-width:48px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:13px;color:var(--text-light);text-align:center;}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700;background:var(--accent);color:#fff;}
.customer-card,.case-card,.honor-card,.partner-logo,.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,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 12px 30px rgba(24,32,48,.12);}
.partner-logo{display:flex;align-items:center;justify-content:center;min-height:88px;font-size:15px;color:var(--text-light);letter-spacing:1px;}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;}
.footer{background:#151a24;color:#c8cfdb;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;max-width:1200px;margin:0 auto;padding:0 20px 48px;}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:#c8cfdb;font-size:14px;transition:color .2s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{font-size:14px;line-height:2;color:#c8cfdb;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 20px;text-align:center;font-size:13px;color:#8e97a6;}
@media (max-width:1199px){
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-list{position:fixed;top:68px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(24,32,48,.1);padding:8px 20px 16px;display:none;}
  .nav-list.open{display:flex;}
  .nav-list li{width:100%;padding:10px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .section-title{font-size:26px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:26px;}
  .hero-stats{grid-template-columns:1fr;padding:24px 16px;}
  .card{padding:22px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;}
}