:root{
  --primary:#2e9e5b;
  --primary-dark:#1f7343;
  --primary-light:#e6f5ec;
  --accent:#f2a430;
  --text:#1e2a24;
  --text-light:#5f6e66;
  --bg:#ffffff;
  --bg-alt:#f5f8f6;
  --border:#e2e9e4;
  --shadow:0 4px 18px rgba(30,42,36,.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",system-ui,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{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:2rem;color:var(--text);margin-bottom:14px;position:relative}
.section-title::after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--primary);margin:16px auto 0}
.section-subtitle{color:var(--text-light);font-size:1.02rem}
.grid{display:grid;gap:26px}
.grid-2{display:grid;gap:26px;grid-template-columns:repeat(2,1fr)}
.grid-3{display:grid;gap:26px;grid-template-columns:repeat(3,1fr)}
.grid-4{display:grid;gap:26px;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 10px 28px rgba(30,42,36,.14)}
.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:1.5rem;font-weight:700;margin-bottom:18px}
.card-title{font-size:1.15rem;margin-bottom:10px;color:var(--text)}
.card-text{color:var(--text-light);font-size:.95rem}
.card-body{display:flex;flex-direction:column}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:.98rem;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background: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:.86rem}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s}
.nav.scrolled{box-shadow:var(--shadow);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:1.25rem;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.nav-logo span{color:var(--accent)}
.nav-list{display:flex;gap:28px;align-items:center}
.nav-link{color:var(--text);font-size:.95rem;font-weight:500;position:relative;padding:4px 0;transition:color .2s}
.nav-link:hover{color:var(--primary)}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:width .25s}
.nav-link:hover::after{width:100%}
.nav-cta{display:inline-block;padding:9px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:.9rem;font-weight:600;transition:background .25s}
.nav-cta:hover{background:var(--primary-dark)}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;color:var(--text);cursor:pointer;line-height:1}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f0f8f3 0%,#ffffff 60%);position:relative;overflow:hidden}
.hero-inner{max-width:820px}
.hero-title{font-size:2.85rem;color:var(--text);margin-bottom:22px;letter-spacing:-.5px}
.hero-title strong{color:var(--primary-dark)}
.hero-subtitle{font-size:1.15rem;color:var(--text-light);margin-bottom:34px;max-width:680px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:flex;gap:52px;flex-wrap:wrap;padding-top:34px;border-top:1px solid var(--border)}
.hero-stat{min-width:130px}
.hero-stat-num{font-size:2rem;font-weight:800;color:var(--primary-dark);line-height:1.2}
.hero-stat-label{font-size:.9rem;color:var(--text-light);margin-top:6px}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-dot{position:absolute;left:-34px;top:5px;width:20px;height:20px;border-radius:50%;background:var(--primary);border:4px solid var(--primary-light)}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow)}
.timeline-date{font-size:.85rem;color:var(--accent);font-weight:700;margin-bottom:6px}
.timeline-title{font-size:1.08rem;margin-bottom:8px}
.timeline-text{color:var(--text-light);font-size:.94rem}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.news-item:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(30,42,36,.14)}
.news-title{font-size:1.15rem;margin-bottom:10px}
.news-meta{display:flex;gap:14px;align-items:center;margin-bottom:12px;font-size:.85rem}
.news-date{color:var(--text-light)}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 12px;border-radius:999px;font-weight:600}
.news-summary{color:var(--text-light);font-size:.94rem}
.news-body{color:var(--text-light);font-size:.94rem;margin-top:12px}
.news-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.tag{background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);padding:3px 12px;border-radius:999px;font-size:.8rem}
.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:22px 26px;box-shadow:var(--shadow)}
.faq-question{font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:10px;display:flex;gap:10px}
.faq-question::before{content:"?";color:var(--primary);font-weight:800}
.faq-answer{color:var(--text-light);font-size:.94rem}
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:.92rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:10px;font-size:.95rem;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 rgba(46,158,91,.14)}
.form-textarea{min-height:130px;resize:vertical}
.form-submit{padding:13px 36px;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;border:none;cursor:pointer;font-size:1rem;transition:background .25s}
.form-submit:hover{background:var(--primary-dark)}
.form-tip{font-size:.85rem;color:var(--text-light);margin-top:10px}
.stat-item{text-align:center;padding:22px 12px}
.stat-number{font-size:2.1rem;font-weight:800;color:var(--primary-dark)}
.stat-label{font-size:.9rem;color:var(--text-light);margin-top:6px}
.progress{height:8px;background:var(--border);border-radius:999px;overflow:hidden}
.progress-fill{height:100%;background:var(--primary);border-radius:999px}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:220px;padding:20px 0}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bar-fill{width:100%;max-width:52px;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;transition:height .4s}
.bar-label{font-size:.82rem;color:var(--text-light);margin-top:10px}
.badge{display:inline-block;background:var(--accent);color:#fff;font-size:.75rem;padding:2px 10px;border-radius:999px;font-weight:600}
.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 10px 28px rgba(30,42,36,.14)}
.partner-logo{height:60px;border:1px dashed var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:.88rem;background:var(--bg-alt)}
.step-list{display:flex;flex-direction:column;gap:20px;max-width:760px;margin:0 auto}
.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-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.footer{background:#17281f;color:#c7d6cd;padding:60px 0 24px;font-size:.92rem}
.footer-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;max-width:1200px;margin:0 auto;padding:0 20px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:6px}
.footer-link{color:#c7d6cd;font-size:.9rem;transition:color .2s}
.footer-link:hover{color:var(--primary)}
.footer-info{color:#9fb3a6;font-size:.9rem;line-height:1.9}
.footer-bottom{max-width:1200px;margin:36px auto 0;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8fa397;font-size:.85rem}
@media (max-width:1200px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:2.4rem}
  .footer-inner{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .nav-list{display:none}
  .nav-list.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;padding:20px;box-shadow:var(--shadow);gap:16px}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding:120px 0 70px}
  .hero-title{font-size:2rem}
  .hero-stats{gap:30px}
  .section{padding:60px 0}
  .bar-chart{gap:12px}
}
@media (max-width:480px){
  .hero-title{font-size:1.7rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .footer-inner{grid-template-columns:1fr}
  .section-title{font-size:1.55rem}
}