:root{
  --primary:#ff6b35;
  --primary-dark:#d94e1b;
  --primary-light:#ffd9c9;
  --accent:#2f3e6e;
  --text:#22252b;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f6f7fb;
  --border:#e5e7eb;
  --shadow:0 6px 24px rgba(34,37,43,.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",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img,svg{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
.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;}
.section-subtitle{margin-top:14px;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;align-items:center;}
.flex-between{display:flex;justify-content:space-between;align-items:center;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 32px rgba(34,37,43,.12);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;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{padding-top:8px;}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-size:16px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .25s;text-align:center;}
.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);color:#fff;}
.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,.94);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .3s,background .3s;}
.nav.scrolled{box-shadow:0 4px 20px rgba(34,37,43,.1);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;}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;display:flex;align-items:center;gap:8px;}
.nav-logo span{width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px;}
.nav-list{display:flex;gap:26px;align-items:center;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--text);cursor:pointer;line-height:1;}
.nav-cta{display:flex;gap:12px;align-items:center;}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff5f0 0%,#f6f7fb 55%,#eef1fa 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;}
.hero-title{font-size:46px;letter-spacing:1px;color:var(--text);}
.hero-title strong{color:var(--primary);}
.hero-subtitle{margin-top:22px;font-size:18px;color:var(--text-light);max-width:560px;}
.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-stats{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:32px 20px;border:1px solid var(--border);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:36px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:36px;}
.timeline-dot{position:absolute;left:-45px;top:4px;width:16px;height:16px;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:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:700;letter-spacing:.5px;}
.timeline-title{margin:8px 0 6px;font-size:18px;}
.timeline-text{color:var(--text-light);font-size:15px;}
.news-list{display:grid;gap:22px;}
.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 10px 28px rgba(34,37,43,.1);}
.news-title{font-size:19px;margin-bottom:10px;}
.news-meta{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:3px 12px;border-radius:999px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;font-size:15px;}
.news-tags{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap;}
.tag{font-size:13px;color:var(--text-light);border:1px solid var(--border);border-radius:999px;padding:3px 12px;background:#fafafa;}
.faq-list{display:grid;gap:16px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:12px;color:var(--text);}
.faq-answer{color:var(--text-light);font-size:15px;}
.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 16px;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 var(--primary-light);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;}
.stat-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow);}
.stat-number{font-size:32px;font-weight:800;color:var(--primary-dark);}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:var(--border);overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:8px;}
.bar-fill{width:70%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;}
.bar-label{font-size:13px;color:var(--text-light);}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;background:var(--accent);color:#fff;letter-spacing:.5px;}
.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:26px;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(34,37,43,.12);}
.partner-logo{height:80px;border:1px dashed var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:14px;background:#fafafa;}
.step-list{display:grid;gap:20px;}
.step-item{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;}
.footer{background:#1c2030;color:#c7ccd9;padding:66px 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:36px;}
.footer-col h4,.footer-title{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-link{display:block;color:#a9b0c0;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.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:#8b93a7;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer-info{font-size:14px;color:#a9b0c0;line-height:2;}
@media(max-width:1200px){
  .hero-title{font-size:40px;}
}
@media(max-width:992px){
  .nav-list{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;padding:20px;gap:18px;box-shadow:0 12px 24px rgba(34,37,43,.1);}
  .nav-list.open{display:flex;}
  .nav-toggle{display:block;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .section{padding:58px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding:24px 14px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .flex-between{flex-direction:column;align-items:flex-start;}
}
@media(max-width:480px){
  .hero-title{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .footer-inner{grid-template-columns:1fr;}
  .bar-chart{gap:10px;padding:14px;}
}