:root{
  --primary:#e8792b;
  --primary-dark:#c25f19;
  --primary-light:#fdf1e6;
  --accent:#2f6fb3;
  --text:#252a31;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f7f5f2;
  --border:#e7e2db;
  --shadow:0 4px 18px rgba(37,42,49,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","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,svg{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
button{font-family:inherit;cursor:pointer;}
.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:32px;letter-spacing:.5px;margin-bottom:14px;position:relative;}
.section-title::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:var(--primary);margin:14px auto 0;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.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;gap:16px;flex-wrap:wrap;}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.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 10px 26px rgba(37,42,49,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary-dark);margin-bottom:18px;font-size:22px;font-weight:700;}
.card-title{font-size:19px;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 30px;border-radius:40px;font-size:16px;font-weight:600;border:2px solid transparent;transition:all .25s;cursor:pointer;}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary-dark);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:14px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 6px 22px rgba(37,42,49,.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{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--primary-dark);white-space:nowrap;}
.nav-logo span:first-child{width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);padding:6px 0;position:relative;transition:color .2s;}
.nav-link:hover{color:var(--primary-dark);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s;}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;width:42px;height:38px;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{padding:140px 0 90px;background:linear-gradient(160deg,var(--primary-light) 0%,#fff 55%,var(--bg-alt) 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:clamp(28px,4.4vw,52px);letter-spacing:1px;margin-bottom:20px;}
.hero-title em{font-style:normal;color:var(--primary-dark);}
.hero-subtitle{max-width:720px;margin:0 auto 34px;color:var(--text-light);font-size:17px;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:54px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:920px;margin:0 auto;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 14px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:26px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{font-size:13px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding:0 0 30px 22px;}
.timeline-dot{position:absolute;left:-35px;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 20px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:17px;margin:6px 0 6px;}
.timeline-text{color:var(--text-light);font-size:14px;}
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:10px;flex-wrap:wrap;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;font-size:15px;color:var(--text);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{display:inline-block;background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:12px;padding:3px 12px;border-radius:20px;}
.faq-list{max-width:860px;margin:0 auto;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:17px;font-weight:700;color:var(--text);}
.faq-answer{color:var(--text-light);font-size:15px;margin-top:10px;}
.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 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;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 var(--primary-light);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{width:100%;padding:14px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:16px;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:22px 12px;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary-dark);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;border-radius:6px;background:var(--bg-alt);overflow:hidden;border:1px solid var(--border);}
.progress-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--primary),var(--primary-dark));}
.bar-chart{display:flex;align-items:flex-end;gap:22px;height:220px;padding:16px 8px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:70%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));min-height:8px;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:8px;text-align:center;}
.badge{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;font-weight:600;background:var(--primary-light);color:var(--primary-dark);}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:22px;text-align:center;color:var(--text-light);font-size:14px;}
.partner-logo{height:72px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.benefit-card{background:var(--primary-light);border-radius:var(--radius);padding:24px;border:1px solid #f6dcc4;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.step-number{width:38px;height:38px;flex:0 0 38px;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:22px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.footer{background:#232a33;color:#c7ccd4;padding:60px 0 0;font-size:15px;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 44px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{min-width:0;}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700;}
.footer-link{display:block;color:#c7ccd4;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;line-height:2;color:#c7ccd4;}
.footer-info strong{color:#fff;font-weight:600;}
.footer-bottom{border-top:1px solid #333c47;padding:20px;text-align:center;font-size:13px;color:#8f98a4;}
@media (max-width:1199px){
  .hero-stats{grid-template-columns:repeat(4,1fr);}
  .footer-inner{grid-template-columns:1.2fr 1fr 1fr;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .nav-list{display:none;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);padding:10px 20px 18px;box-shadow:var(--shadow);}
  .nav-list.open{display:flex;}
  .nav-list .nav-link{display:block;width:100%;padding:12px 0;border-bottom:1px solid var(--bg-alt);}
  .nav-toggle{display:flex;}
  .nav-cta .btn-sm{display:none;}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  .section-title{font-size:26px;}
  .btn{padding:12px 24px;font-size:15px;}
  .bar-chart{height:180px;gap:14px;}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-stat-num{font-size:22px;}
  .section{padding:52px 0;}
  .card{padding:22px;}
  .footer-inner{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}