:root{
  --primary:#e8352e;
  --primary-dark:#b81f1a;
  --primary-light:#ff6b63;
  --accent:#1c1c22;
  --text:#22232a;
  --text-light:#6b6d7a;
  --bg:#ffffff;
  --bg-alt:#f6f6f8;
  --border:#e6e6ec;
  --shadow:0 6px 20px rgba(24,24,32,.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;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.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:34px;line-height:1.3;letter-spacing:.5px}
.section-title::after{content:"";display:block;width:56px;height:4px;border-radius:4px;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;gap:16px;flex-wrap:wrap}
.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}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(24,24,32,.13)}
.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:22px;font-weight:700;margin-bottom:18px}
.card-title{font-size:19px;margin-bottom:10px}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all .25s}
.btn-primary{background:var(--primary);color:#fff}
.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);color:#fff}
.btn-sm{padding:8px 18px;font-size:13px}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:0 6px 20px rgba(24,24,32,.09);border-bottom-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{font-size:21px;font-weight:800;letter-spacing:.5px;color:var(--accent);display:flex;align-items:center;gap:8px}
.nav-logo::before{content:"";width:10px;height:26px;border-radius:4px;background:linear-gradient(180deg,var(--primary),var(--primary-light))}
.nav-list{display:flex;align-items:center;gap:26px}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s}
.nav-link:hover{color:var(--primary)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-cta{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600}
.hero{padding:150px 0 90px;background:radial-gradient(circle at 15% 20%,rgba(232,53,46,.10),transparent 45%),radial-gradient(circle at 85% 10%,rgba(28,28,34,.07),transparent 40%),var(--bg)}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px}
.hero-title{font-size:50px;line-height:1.2;letter-spacing:1px}
.hero-title span{color:var(--primary)}
.hero-subtitle{margin-top:22px;max-width:680px;font-size:18px;color:var(--text-light)}
.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow)}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary)}
.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:0 0 30px 24px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{position:absolute;left:-37px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light)}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow)}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700}
.timeline-title{font-size:17px;margin:6px 0 6px}
.timeline-text{font-size:14px;color:var(--text-light)}
.news-list{display:grid;gap:20px}
.news-item{background:#fff;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:transform .3s}
.news-item:hover{transform:translateX(4px)}
.news-title{font-size:18px;margin-bottom:8px}
.news-meta{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:10px}
.news-date{color:var(--text-light)}
.news-category{padding:2px 10px;border-radius:999px;background:rgba(232,53,46,.10);color:var(--primary);font-size:12px;font-weight:600}
.news-summary{font-size:15px;color:var(--text-light)}
.news-body{margin-top:12px;font-size:15px;color:var(--text)}
.news-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.tag{padding:3px 12px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--text-light);background:var(--bg-alt)}
.faq-list{display:grid;gap:16px}
.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-question::before{content:"问";flex:0 0 24px;height:24px;border-radius:6px;background:var(--primary);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:600}
.faq-answer{margin-top:12px;padding-left:34px;color:var(--text-light);font-size:15px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);outline:none;transition:border-color .25s,box-shadow .25s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(232,53,46,.12)}
.form-textarea{min-height:130px;resize:vertical}
.form-submit{width:100%;padding:14px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;transition:background .25s}
.form-submit:hover{background:var(--primary-dark)}
.form-tip{margin-top:10px;font-size:13px;color:var(--text-light)}
.stat-item{text-align:center;padding:24px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.stat-number{font-size:32px;font-weight:800;color:var(--primary)}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-light)}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden}
.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:18px;height:220px;padding:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:10px}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary))}
.bar-label{font-size:13px;color:var(--text-light)}
.badge{display:inline-block;padding:4px 14px;border-radius:999px;background:var(--primary);color:#fff;font-size:12px;font-weight:600;letter-spacing:.5px}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s}
.customer-card:hover{transform:translateY(-4px)}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow)}
.partner-logo{display:flex;align-items:center;justify-content:center;height:88px;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;background:#fff}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.benefit-card{background:linear-gradient(140deg,#fff,rgba(232,53,46,.06));border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.step-list{display:grid;gap:22px;counter-reset:step}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow)}
.step-number{flex:0 0 40px;height:40px;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.support-card{background:var(--accent);color:#fff;border-radius:var(--radius);padding:28px}
.support-card .card-text{color:rgba(255,255,255,.75)}
.footer{background:var(--accent);color:#fff;padding:64px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 48px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-col{font-size:14px}
.footer-title{font-size:16px;font-weight:700;margin-bottom:18px}
.footer-link{display:block;color:rgba(255,255,255,.72);margin-bottom:10px;transition:color .2s}
.footer-link:hover{color:var(--primary-light)}
.footer-info{color:rgba(255,255,255,.72);line-height:2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);max-width:1200px;margin:0 auto;padding:22px 20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
@media(max-width:1200px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:992px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:40px}
  .section-title{font-size:28px}
}
@media(max-width:768px){
  .section{padding:56px 0}
  .nav-list{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:12px 20px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none}
  .nav-list.open{display:flex}
  .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding:120px 0 64px}
  .hero-title{font-size:32px}
  .hero-subtitle{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
  .bar-chart{height:180px;gap:10px}
}
@media(max-width:480px){
  .hero-title{font-size:27px}
  .hero-stats{grid-template-columns:1fr}
  .card{padding:22px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
}