:root{
  --primary:#e0432f;
  --primary-dark:#b5331f;
  --primary-light:#ff6a52;
  --accent:#f5a623;
  --text:#1d2129;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f8fa;
  --border:#e5e7eb;
  --shadow:0 4px 18px rgba(17,24,39,.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;
}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
img,svg{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:32px;letter-spacing:.5px;margin-bottom:14px;}
.section-subtitle{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-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;border:1px solid var(--border);}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(17,24,39,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;background:rgba(224,67,47,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:24px;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{padding-top:4px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:50px;font-size:15px;font-weight:600;transition:background .25s,color .25s,transform .25s,box-shadow .25s;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(224,67,47,.3);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid 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:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 6px 24px rgba(17,24,39,.12);}
.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{font-size:18px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px;}
.nav-logo::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--primary);display:inline-block;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);transition:color .2s;position:relative;padding:6px 0;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:inline-flex;align-items:center;padding:9px 20px;border-radius:50px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);transition:.3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff 0%,#fff4f1 55%,#ffe9e3 100%);overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:22px;}
.hero-title strong{color:var(--primary);}
.hero-subtitle{max-width:720px;margin:0 auto 36px;color:var(--text-light);font-size:18px;}
.hero-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-bottom:64px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto;}
.hero-stat{background:#fff;border-radius:var(--radius);padding:24px 16px;box-shadow:var(--shadow);border:1px solid var(--border);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--primary);}
.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:600;}
.timeline-title{font-size:17px;margin:4px 0 6px;}
.timeline-text{font-size:14px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(17,24,39,.12);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{background:rgba(224,67,47,.1);color:var(--primary);padding:2px 10px;border-radius:50px;font-size:12px;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text);margin-top:10px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{font-size:12px;color:var(--text-light);background:var(--bg-alt);border:1px solid var(--border);border-radius:50px;padding:3px 12px;}
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:860px;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;margin-bottom:10px;}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;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:15px;font-family:inherit;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(224,67,47,.12);}
.form-textarea{resize:vertical;min-height:120px;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border-radius:50px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;transition:background .25s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;border-radius:50px;background:var(--bg-alt);overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;border-radius:50px;background:linear-gradient(90deg,var(--primary),var(--primary-light));}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding-top:10px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:12px;color:var(--text-light);margin-top:8px;text-align:center;}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:50px;font-size:12px;font-weight:600;background:rgba(245,166,35,.15);color:#a86b00;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;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:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.step-number{flex:0 0 40px;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.footer{background:#14181f;color:#c9cdd4;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col{min-width:0;}
.footer-title{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-link{display:block;font-size:14px;color:#c9cdd4;margin-bottom:12px;transition:color .2s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{font-size:14px;line-height:2;color:#c9cdd4;}
.footer-bottom{max-width:1200px;margin:48px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#9096a0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.footer-bottom a{color:#9096a0;}
.footer-bottom a:hover{color:#fff;}
@media (min-width:1200px){
  .container,.nav-inner,.hero-inner,.footer-inner,.footer-bottom{max-width:1200px;}
}
@media (max-width:992px){
  .hero-title{font-size:38px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-toggle{display:flex;}
  .nav-list{position:absolute;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:var(--shadow);padding:10px 20px;display:none;}
  .nav-list.open{display:flex;}
  .nav-link{display:block;width:100%;padding:12px 0;border-bottom:1px solid var(--bg-alt);}
  .nav-cta{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-subtitle{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;margin-bottom:48px;}
  .hero-actions .btn{width:100%;}
  .section-title{font-size:25px;}
  .footer-inner{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .bar-chart{height:180px;gap:12px;}
}
@media (max-width:480px){
  .hero-title{font-size:25px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .hero-stat{padding:18px 10px;}
  .hero-stat-num{font-size:24px;}
  .card,.case-card,.customer-card,.review-card,.benefit-card{padding:22px;}
  .section{padding:52px 0;}
  .news-item,.faq-item{padding:18px 18px;}
  .step-item{flex-direction:column;}
}